This document provides an overview of RFID technologies, including a description of RFID system features, standards organizations, spectrum allocation, future technologies, and potential challenges. It discusses RFID infrastructure elements such as tags, readers, and middleware. The document was authored by experts from TNO and Telecom Italia for the Institute for Prospective Technological Studies.
This document is a seminar report submitted by Abhishek Anand to partial fulfillment of the requirements for a Bachelor of Technology degree in Computer Science and Engineering from Cochin University of Science and Technology. The report discusses RFID technology, including an introduction to RFID components and types of tags. It also covers several applications of RFID technology in areas like supply chain management and privacy/security concerns regarding RFID implementation. The report is divided into six chapters that examine existing RFID infrastructure, advantages of RFID over barcodes, current RFID usage scenarios, RFID applications in supply chain management, privacy and security in RFID systems, and RFID privacy and security for ID cards and passports.
This document summarizes an RFID-based vehicle tracking system implemented by STS Technology for the Municipality of Pendik in Istanbul, Turkey. The municipality had over 1,000 vehicles entering and exiting a parking lot through four gates. STS installed Alien RFID readers at each gate along with circular antennas. Each vehicle was outfitted with an Alien M RFID tag on the windshield. The system automatically tracks vehicle movements and generates reports, eliminating the need for human monitoring. It allows drivers to pass through gates without stopping. The municipality and STS were pleased with the success of the project and its ability to meet their needs for an automated solution.
Seminar Report on RFID Based Trackin SystemShahrikh Khan
The document is a seminar report submitted by Shahrukh Ayaz Khan on RFID based tracking system privacy control. It discusses RFID technology, how RFID works, applications of RFID, privacy and security issues related to RFID, and approaches to address these issues. The report contains an abstract, introduction discussing background and objectives of the report, literature review on related work and existing technologies, methodology covering RFID components and functioning, discussion on RFID security and privacy issues and solutions, analysis of advantages and disadvantages of RFID, and conclusion.
Radio frequency identication (RFID) is a rapidly growing technology that
has the potential to make great economic impacts on many industries. While
RFID is a relatively old technology, more recent advancements in chip man-
ufacturing technology are making RFID practical for new applications and
settings. These advancements have the potential to revolutionize supply-
chain management, inventory control, and logistics
IRJET- RFID based Authentication and Access of VehiclesIRJET Journal
This document describes a project that developed an RFID-based system for vehicle authentication and access. The system uses RFID tags attached to vehicles and an RFID reader to automatically identify and track tagged vehicles. When a vehicle's RFID tag comes within range of the reader, the reader reads the tag's digital information and sends it to a monitoring unit for verification and authentication before granting the vehicle access. The system aims to automate vehicle tracking and access control through the use of radio frequency identification technology.
Radio frequency identification (RFID) uses radio waves to automatically identify objects. RFID tags are applied to or incorporated into products and can be read by RFID readers from a distance. Readers identify all tags within their reception area and transmit the tag data directly or through software. RFID is used in warehouses to track inventory and in other applications like passports, animal identification, libraries, and human implants. While the technology offers benefits over barcodes like greater reading distances and read/write capability, its widespread adoption will depend on lowering costs as production scales up.
The document discusses RFID technology, including how it works, its benefits and threats, and security considerations. RFID uses radio waves to read tags attached to objects without needing direct contact or line-of-sight. There are two types of tags - active tags with batteries and passive tags without. The document outlines security risks like spoofing, replay attacks, and unauthorized tracking. It emphasizes the need for lightweight cryptography and random number generation on tags to address security challenges in RFID systems.
This document is a seminar report submitted by Abhishek Anand to partial fulfillment of the requirements for a Bachelor of Technology degree in Computer Science and Engineering from Cochin University of Science and Technology. The report discusses RFID technology, including an introduction to RFID components and types of tags. It also covers several applications of RFID technology in areas like supply chain management and privacy/security concerns regarding RFID implementation. The report is divided into six chapters that examine existing RFID infrastructure, advantages of RFID over barcodes, current RFID usage scenarios, RFID applications in supply chain management, privacy and security in RFID systems, and RFID privacy and security for ID cards and passports.
This document summarizes an RFID-based vehicle tracking system implemented by STS Technology for the Municipality of Pendik in Istanbul, Turkey. The municipality had over 1,000 vehicles entering and exiting a parking lot through four gates. STS installed Alien RFID readers at each gate along with circular antennas. Each vehicle was outfitted with an Alien M RFID tag on the windshield. The system automatically tracks vehicle movements and generates reports, eliminating the need for human monitoring. It allows drivers to pass through gates without stopping. The municipality and STS were pleased with the success of the project and its ability to meet their needs for an automated solution.
Seminar Report on RFID Based Trackin SystemShahrikh Khan
The document is a seminar report submitted by Shahrukh Ayaz Khan on RFID based tracking system privacy control. It discusses RFID technology, how RFID works, applications of RFID, privacy and security issues related to RFID, and approaches to address these issues. The report contains an abstract, introduction discussing background and objectives of the report, literature review on related work and existing technologies, methodology covering RFID components and functioning, discussion on RFID security and privacy issues and solutions, analysis of advantages and disadvantages of RFID, and conclusion.
Radio frequency identication (RFID) is a rapidly growing technology that
has the potential to make great economic impacts on many industries. While
RFID is a relatively old technology, more recent advancements in chip man-
ufacturing technology are making RFID practical for new applications and
settings. These advancements have the potential to revolutionize supply-
chain management, inventory control, and logistics
IRJET- RFID based Authentication and Access of VehiclesIRJET Journal
This document describes a project that developed an RFID-based system for vehicle authentication and access. The system uses RFID tags attached to vehicles and an RFID reader to automatically identify and track tagged vehicles. When a vehicle's RFID tag comes within range of the reader, the reader reads the tag's digital information and sends it to a monitoring unit for verification and authentication before granting the vehicle access. The system aims to automate vehicle tracking and access control through the use of radio frequency identification technology.
Radio frequency identification (RFID) uses radio waves to automatically identify objects. RFID tags are applied to or incorporated into products and can be read by RFID readers from a distance. Readers identify all tags within their reception area and transmit the tag data directly or through software. RFID is used in warehouses to track inventory and in other applications like passports, animal identification, libraries, and human implants. While the technology offers benefits over barcodes like greater reading distances and read/write capability, its widespread adoption will depend on lowering costs as production scales up.
The document discusses RFID technology, including how it works, its benefits and threats, and security considerations. RFID uses radio waves to read tags attached to objects without needing direct contact or line-of-sight. There are two types of tags - active tags with batteries and passive tags without. The document outlines security risks like spoofing, replay attacks, and unauthorized tracking. It emphasizes the need for lightweight cryptography and random number generation on tags to address security challenges in RFID systems.
RFID uses radio waves to automatically identify objects. It consists of a tag attached to the object and a reader that detects and reads the tag. The tag contains an antenna and microchip that stores information. The reader emits radio waves to power the tag and read its data from a distance without contact. Common applications include inventory tracking, transportation payments, and access control like passports. RFID tags come in passive and active types. EPC Gen 2 is the standard protocol that defines the physical and logical specifications for UHF RFID systems, including tag and reader communication methods and message formats.
This document describes an RFID and IR based attendance system project. It includes the aim, block diagram, circuit diagram of RFID, working of the circuit, applications of RFID, and results and conclusions from developing and testing the system. An RFID reader module controlled by a microcontroller reads RFID tags when an IR sensor first detects a person's presence. The system allows for automated attendance tracking to reduce paper records and store data longer term. Future scopes involve enhancing the range and data transfer capabilities.
IRJET- Examination Room Guidance System using RFID and ArduinoIRJET Journal
The document proposes an examination room guidance system using RFID technology, where each student is issued an RFID card containing their exam details. The system includes an RFID reader, tags, Arduino, LCD display and LEDs, such that when a student's tag is scanned their exam room and seat number will be displayed to guide them to the correct location. The proposed system aims to help students easily find their exam rooms and seats, reducing stress and saving time compared to traditional jumbling systems.
The document discusses the use of radio frequency identification (RFID) technology in operations management, including how RFID works, its history and applications in supply chain management, asset tracking, inventory systems and more. It also outlines the differences between passive and active RFID tags and some concerns around RFID such as standardization and privacy issues. The future of RFID is seen as promising for further enhancing operations efficiency.
This document provides an overview of RFID (radio-frequency identification) technology. It discusses what RFID is, the history and components of RFID tags, the different types of tags (passive vs. active), how RFID works, applications of RFID such as supply chain management, healthcare, passports, and livestock tracking, initiatives in India, and conclusions about RFID's value. RFID allows wireless identification and tracking of objects using radio waves to transfer data.
when people share something on internet and suddenly someone is looking for some useful information related to what he want and suddely if he see your shared information then it become communication at any location
This document provides an overview of Radio Frequency Identification (RFID) technology. It defines RFID as an automatic data capture technology that uses radio waves to identify items. The document then discusses how RFID works and its key components, including tags, readers, and electromagnetic communication. It also covers the history and development of RFID, applications of RFID, and privacy concerns regarding the technology. The document concludes with references for further information on RFID.
RFID (Radio Frequency Identification) is a technology that uses radio waves to automatically identify objects. An RFID system consists of RFID tags attached to objects, RFID readers to interrogate the tags, and a host computer system. Some key applications of RFID technology include asset tracking, supply chain management, and library management. While RFID provides benefits like contactless tracking and identification of multiple tags, there are also challenges to address regarding standards, costs, security, and privacy. Case studies demonstrate how companies have used RFID to better track returnable assets and improve supply chain operations.
1) RFID is a wireless technology that uses radio waves to identify tagged products and objects. It consists of tags, antennas, and readers.
2) The document describes a case study of applying RFID in the supply chain of a heavy machinery manufacturing company. By implementing RFID, the company eliminated inefficiencies, improved delivery accuracy, and increased information sharing across the supply chain.
3) The case study found that RFID automation reduced human errors, tags represented product assemblies and parts for automated documentation, and the system provided real-time alerts and notifications.
This presentation gives the basic idea of Managerial Information System subject with the topic "RFID (Radio Frequency Identification) and Wireless Sensor System". It also includes the real-life applications of the same system.
IRJET- Cashless Automatic Rationing System by using GSM and RFID TechnologyIRJET Journal
This document describes a proposed automatic ration distribution system using RFID and GSM technologies. The system aims to address inaccuracies and unauthorized sales associated with traditional ration card systems. It would use RFID tags instead of ration cards, and an automated mechanism controlled by a microcontroller to dispense and track ration quantities. The microcontroller would verify customers, calculate amounts, operate dispensing devices, and send purchase notifications via GSM. This cashless, contactless system intends to accurately and securely distribute ration materials without human intervention.
This document describes an RFID-based student attendance system. Key points:
1. The system uses RFID tags assigned to each student and an RFID reader to automatically record attendance without manual roll calls.
2. When a student holds their RFID tag near the reader, it detects the unique ID and records the student details and attendance in a database.
3. The system aims to solve inefficiencies in traditional paper-based attendance tracking by automating the process and eliminating manual data entry.
http://www.scribd.com/doc/14688569/Radio-Frequency-Identification
The goal of supply chain management is to increase organizational effectiveness through the coordination of activities among suppliers, manufacturers, distribution centers, and customers. Technology evolution in the latest years has significantly contributed towards this direction. The implementation of systems such as ERP, SAP, RFID, etc., makes the production and distribution of the products more accurate and efficient. Through technology implementation, the parties of the supply chain manage to accomplish the production and distribution of the right product, at the right time, to the right location, at the minimum cost while sustaining a certain level of quality (Ramsay, n.d.).
This paper will explain what exactly the RFID system is and how it works. Moreover, the steps a company should follow in order to effectively implement RFID technology will be discussed. The advantages and the disadvantages of this technology will also be presented. Finally, three real life case studies regarding RFID implementation will be analyzed.
This PowerPoint presentation provides an overview of radio frequency identification (RFID) technology. It discusses how RFID works, the benefits of RFID, and some concerns around implementing RFID technology. The presentation concludes that while RFID is being adopted in many industries and locations, concerns around privacy and security still need to be addressed for successful widespread implementation. However, RFID has the potential to significantly improve efficiency and change how we manage things in both our personal and work lives.
RFID (Radio Frequency Identification) uses tags with microchips and antennas to wirelessly transmit data to readers. It has advantages over barcodes by allowing contactless scanning of multiple items simultaneously. While RFID adoption has increased in applications like supply chain management, issues around tag costs, lack of standards, and privacy concerns still remain.
Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information and can be read from distances of several meters without a direct line-of-sight. Unlike barcodes, RFID tags do not need to be within visual range of a reader. RFID operates by transmitting signals from a reader to an RFID tag and receiving a response, allowing identification and tracking of people and objects. Common applications of RFID include supply chain management, vehicle tracking, and automated toll collection.
The document describes an RFID-based vehicle tracking system that uses RFID tags, readers, and a GSM module to track vehicles and prevent road accidents. The system works by placing an RFID tag on each vehicle containing its information. RFID readers placed at secure access points, toll gates, and traffic signals can read the tags and transmit location and accident data via GSM to emergency responders. The system is designed to improve fleet management, safety, and reduce operating costs.
RFID Project - Engineering Design and Development Josh Birdwell
This slide deck is for our senior design capstone at Francis Tuttle Technology Center's Pre-Engineering Academy. It is through a course call Engineering Design and Development by Project Lead the Way. We spend an entire semester on a project and go through the engineering process. This class was amazing!! I would love to answer any questions on our presentation.
This document describes an RFID system project that uses an Arduino Uno, ATmega 328p microcontroller, EM-18 RFID reader module, passive RFID tags, real-time clock, and 16x2 LCD. It explains the hardware and software components, including how the RFID reader detects tags and the microcontroller registers entries and exits to the LCD display. Key aspects of RFID technology like tags, readers, and middleware are also overviewed at a high level.
RFID Technologies
The document discusses Radio Frequency Identification (RFID) technology. It describes how RFID works using electromagnetic waves to identify tags attached to objects. The main components of an RFID system are RFID tags, readers, and antennas. There are different types of tags including active, semi-active, and passive tags. RFID systems operate at various radio frequencies and tags can store varying amounts of data. Common applications of RFID include supply chain management, asset tracking, toll collection, and automated manufacturing. The technology provides benefits over barcodes such as not requiring line of sight scanning and ability to read multiple tags simultaneously.
The document discusses Radio Frequency Identification (RFID) technology, including its evolution, components like tags and readers, applications, and concerns. It describes how RFID uses tags with electronic product codes to identify items without line-of-sight scanning. Applications mentioned include supply chain management, electronic passports, transportation payments, and tracking of items, animals, and people. Potential problems discussed are lack of standardization, security/privacy issues if tags can be read without knowledge.
RFID uses radio waves to automatically identify objects. It consists of a tag attached to the object and a reader that detects and reads the tag. The tag contains an antenna and microchip that stores information. The reader emits radio waves to power the tag and read its data from a distance without contact. Common applications include inventory tracking, transportation payments, and access control like passports. RFID tags come in passive and active types. EPC Gen 2 is the standard protocol that defines the physical and logical specifications for UHF RFID systems, including tag and reader communication methods and message formats.
This document describes an RFID and IR based attendance system project. It includes the aim, block diagram, circuit diagram of RFID, working of the circuit, applications of RFID, and results and conclusions from developing and testing the system. An RFID reader module controlled by a microcontroller reads RFID tags when an IR sensor first detects a person's presence. The system allows for automated attendance tracking to reduce paper records and store data longer term. Future scopes involve enhancing the range and data transfer capabilities.
IRJET- Examination Room Guidance System using RFID and ArduinoIRJET Journal
The document proposes an examination room guidance system using RFID technology, where each student is issued an RFID card containing their exam details. The system includes an RFID reader, tags, Arduino, LCD display and LEDs, such that when a student's tag is scanned their exam room and seat number will be displayed to guide them to the correct location. The proposed system aims to help students easily find their exam rooms and seats, reducing stress and saving time compared to traditional jumbling systems.
The document discusses the use of radio frequency identification (RFID) technology in operations management, including how RFID works, its history and applications in supply chain management, asset tracking, inventory systems and more. It also outlines the differences between passive and active RFID tags and some concerns around RFID such as standardization and privacy issues. The future of RFID is seen as promising for further enhancing operations efficiency.
This document provides an overview of RFID (radio-frequency identification) technology. It discusses what RFID is, the history and components of RFID tags, the different types of tags (passive vs. active), how RFID works, applications of RFID such as supply chain management, healthcare, passports, and livestock tracking, initiatives in India, and conclusions about RFID's value. RFID allows wireless identification and tracking of objects using radio waves to transfer data.
when people share something on internet and suddenly someone is looking for some useful information related to what he want and suddely if he see your shared information then it become communication at any location
This document provides an overview of Radio Frequency Identification (RFID) technology. It defines RFID as an automatic data capture technology that uses radio waves to identify items. The document then discusses how RFID works and its key components, including tags, readers, and electromagnetic communication. It also covers the history and development of RFID, applications of RFID, and privacy concerns regarding the technology. The document concludes with references for further information on RFID.
RFID (Radio Frequency Identification) is a technology that uses radio waves to automatically identify objects. An RFID system consists of RFID tags attached to objects, RFID readers to interrogate the tags, and a host computer system. Some key applications of RFID technology include asset tracking, supply chain management, and library management. While RFID provides benefits like contactless tracking and identification of multiple tags, there are also challenges to address regarding standards, costs, security, and privacy. Case studies demonstrate how companies have used RFID to better track returnable assets and improve supply chain operations.
1) RFID is a wireless technology that uses radio waves to identify tagged products and objects. It consists of tags, antennas, and readers.
2) The document describes a case study of applying RFID in the supply chain of a heavy machinery manufacturing company. By implementing RFID, the company eliminated inefficiencies, improved delivery accuracy, and increased information sharing across the supply chain.
3) The case study found that RFID automation reduced human errors, tags represented product assemblies and parts for automated documentation, and the system provided real-time alerts and notifications.
This presentation gives the basic idea of Managerial Information System subject with the topic "RFID (Radio Frequency Identification) and Wireless Sensor System". It also includes the real-life applications of the same system.
IRJET- Cashless Automatic Rationing System by using GSM and RFID TechnologyIRJET Journal
This document describes a proposed automatic ration distribution system using RFID and GSM technologies. The system aims to address inaccuracies and unauthorized sales associated with traditional ration card systems. It would use RFID tags instead of ration cards, and an automated mechanism controlled by a microcontroller to dispense and track ration quantities. The microcontroller would verify customers, calculate amounts, operate dispensing devices, and send purchase notifications via GSM. This cashless, contactless system intends to accurately and securely distribute ration materials without human intervention.
This document describes an RFID-based student attendance system. Key points:
1. The system uses RFID tags assigned to each student and an RFID reader to automatically record attendance without manual roll calls.
2. When a student holds their RFID tag near the reader, it detects the unique ID and records the student details and attendance in a database.
3. The system aims to solve inefficiencies in traditional paper-based attendance tracking by automating the process and eliminating manual data entry.
http://www.scribd.com/doc/14688569/Radio-Frequency-Identification
The goal of supply chain management is to increase organizational effectiveness through the coordination of activities among suppliers, manufacturers, distribution centers, and customers. Technology evolution in the latest years has significantly contributed towards this direction. The implementation of systems such as ERP, SAP, RFID, etc., makes the production and distribution of the products more accurate and efficient. Through technology implementation, the parties of the supply chain manage to accomplish the production and distribution of the right product, at the right time, to the right location, at the minimum cost while sustaining a certain level of quality (Ramsay, n.d.).
This paper will explain what exactly the RFID system is and how it works. Moreover, the steps a company should follow in order to effectively implement RFID technology will be discussed. The advantages and the disadvantages of this technology will also be presented. Finally, three real life case studies regarding RFID implementation will be analyzed.
This PowerPoint presentation provides an overview of radio frequency identification (RFID) technology. It discusses how RFID works, the benefits of RFID, and some concerns around implementing RFID technology. The presentation concludes that while RFID is being adopted in many industries and locations, concerns around privacy and security still need to be addressed for successful widespread implementation. However, RFID has the potential to significantly improve efficiency and change how we manage things in both our personal and work lives.
RFID (Radio Frequency Identification) uses tags with microchips and antennas to wirelessly transmit data to readers. It has advantages over barcodes by allowing contactless scanning of multiple items simultaneously. While RFID adoption has increased in applications like supply chain management, issues around tag costs, lack of standards, and privacy concerns still remain.
Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information and can be read from distances of several meters without a direct line-of-sight. Unlike barcodes, RFID tags do not need to be within visual range of a reader. RFID operates by transmitting signals from a reader to an RFID tag and receiving a response, allowing identification and tracking of people and objects. Common applications of RFID include supply chain management, vehicle tracking, and automated toll collection.
The document describes an RFID-based vehicle tracking system that uses RFID tags, readers, and a GSM module to track vehicles and prevent road accidents. The system works by placing an RFID tag on each vehicle containing its information. RFID readers placed at secure access points, toll gates, and traffic signals can read the tags and transmit location and accident data via GSM to emergency responders. The system is designed to improve fleet management, safety, and reduce operating costs.
RFID Project - Engineering Design and Development Josh Birdwell
This slide deck is for our senior design capstone at Francis Tuttle Technology Center's Pre-Engineering Academy. It is through a course call Engineering Design and Development by Project Lead the Way. We spend an entire semester on a project and go through the engineering process. This class was amazing!! I would love to answer any questions on our presentation.
This document describes an RFID system project that uses an Arduino Uno, ATmega 328p microcontroller, EM-18 RFID reader module, passive RFID tags, real-time clock, and 16x2 LCD. It explains the hardware and software components, including how the RFID reader detects tags and the microcontroller registers entries and exits to the LCD display. Key aspects of RFID technology like tags, readers, and middleware are also overviewed at a high level.
RFID Technologies
The document discusses Radio Frequency Identification (RFID) technology. It describes how RFID works using electromagnetic waves to identify tags attached to objects. The main components of an RFID system are RFID tags, readers, and antennas. There are different types of tags including active, semi-active, and passive tags. RFID systems operate at various radio frequencies and tags can store varying amounts of data. Common applications of RFID include supply chain management, asset tracking, toll collection, and automated manufacturing. The technology provides benefits over barcodes such as not requiring line of sight scanning and ability to read multiple tags simultaneously.
The document discusses Radio Frequency Identification (RFID) technology, including its evolution, components like tags and readers, applications, and concerns. It describes how RFID uses tags with electronic product codes to identify items without line-of-sight scanning. Applications mentioned include supply chain management, electronic passports, transportation payments, and tracking of items, animals, and people. Potential problems discussed are lack of standardization, security/privacy issues if tags can be read without knowledge.
The document is a group project listing members Alexander Andrews, Stephanie Jaramillo, Jiazhen Mao, Victoria Matus, and Paul Ostic. It provides a timeline of the history of RFID technology from 1940 to the present day, noting key developments such as the invention of RFID in 1948, the first RFID patent in 1973, the emergence of RFID standards in the 1980s, and its integration into everyday life and use by companies like Walmart from the 2000s onward.
Bhaja Govindam [Praise/Seek Govinda (Vishnu) or (Krishna)] also known as Moha Mudgara (Hammer [to shatter] illusion) is a popular 8th century Hindu devotional composition in Sanskrit attributed to Adi Shankara. This work of Adi Shankara underscores the view that devotion (Bhakti) to God, Govinda, is a vastly important part of general spirituality, as emphasised by Bhakti Yoga and theBhakti movement. This work is generally considered a summary of Adi Shankara's Advaita Vedanta philosophy.
This composition is a reminder that the author, Adi Shankaracharya, who is often regarded as a stalwart advocate of the Jnana Marga (Jnana Yoga) or the "Path of Knowledge" to attain Mukti, yielded to none in appreciating, indeed enjoining the Bhakti Marga (Bhakti Yoga) or the "Path of Faith/Devotion" to the same goal, and as C. Rajagopalachari put in his commentary, "When intelligence (jnana) matures and lodges securely in the heart, it becomes wisdom (vignyana). When that wisdom (vignyana) is integrated with life and issues out in action, it becomes devotion (bhakti). Knowledge (jnana) which has become mature is spoken of as devotion (bhakti). If it does not get transformed into devotion (bhakti), such knowledge (jnana) is useless tinsel."
In this prayer, Adi Shankaracharya emphasizes the importance of devotion for God as a means to spiritual development and to liberation from the cycle of birth and death. The prayer leaves one in no doubt that the renunciation of our egotistical differences and surrender to God makes for salvation. Many scholars hold that this composition encapsulates with both brevity and simplicity the substance of all Vedantic thought found in whatever other works that Adi Shankaracharya wrote:
The refrain "Bhaja Govindam" which defines the composition and gives it its name invokes the almighty in the aspect of Vishnu; it is therefore very popular not only with Sri Adi Shankaracharya's immediate followers, the Smarthas, but also with Vaishnavas and others.
Bhajagovindam by Adi Sankara Malayalam TransliterationRavi Ramakrishnan
Bhaja Govindam [Praise/Seek Govinda (Vishnu) or (Krishna)] also known as Moha Mudgara (Hammer [to shatter] illusion) is a popular 8th century Hindu devotional composition in Sanskrit attributed to Adi Shankara. This work of Adi Shankara underscores the view that devotion (Bhakti) to God, Govinda, is a vastly important part of general spirituality, as emphasised by Bhakti Yoga and theBhakti movement. This work is generally considered a summary of Adi Shankara's Advaita Vedanta philosophy.
This composition is a reminder that the author, Adi Shankaracharya, who is often regarded as a stalwart advocate of the Jnana Marga (Jnana Yoga) or the "Path of Knowledge" to attain Mukti, yielded to none in appreciating, indeed enjoining the Bhakti Marga (Bhakti Yoga) or the "Path of Faith/Devotion" to the same goal, and as C. Rajagopalachari put in his commentary, "When intelligence (jnana) matures and lodges securely in the heart, it becomes wisdom (vignyana). When that wisdom (vignyana) is integrated with life and issues out in action, it becomes devotion (bhakti). Knowledge (jnana) which has become mature is spoken of as devotion (bhakti). If it does not get transformed into devotion (bhakti), such knowledge (jnana) is useless tinsel."
In this prayer, Adi Shankaracharya emphasizes the importance of devotion for God as a means to spiritual development and to liberation from the cycle of birth and death. The prayer leaves one in no doubt that the renunciation of our egotistical differences and surrender to God makes for salvation. Many scholars hold that this composition encapsulates with both brevity and simplicity the substance of all Vedantic thought found in whatever other works that Adi Shankaracharya wrote:
The refrain "Bhaja Govindam" which defines the composition and gives it its name invokes the almighty in the aspect of Vishnu; it is therefore very popular not only with Sri Adi Shankaracharya's immediate followers, the Smarthas, but also with Vaishnavas and others.
Bhaja Govindam [Praise/Seek Govinda (Vishnu) or (Krishna)] also known as Moha Mudgara (Hammer [to shatter] illusion) is a popular 8th century Hindu devotional composition in Sanskrit attributed to Adi Shankara. This work of Adi Shankara underscores the view that devotion (Bhakti) to God, Govinda, is a vastly important part of general spirituality, as emphasised by Bhakti Yoga and theBhakti movement. This work is generally considered a summary of Adi Shankara's Advaita Vedanta philosophy.
This composition is a reminder that the author, Adi Shankaracharya, who is often regarded as a stalwart advocate of the Jnana Marga (Jnana Yoga) or the "Path of Knowledge" to attain Mukti, yielded to none in appreciating, indeed enjoining the Bhakti Marga (Bhakti Yoga) or the "Path of Faith/Devotion" to the same goal, and as C. Rajagopalachari put in his commentary, "When intelligence (jnana) matures and lodges securely in the heart, it becomes wisdom (vignyana). When that wisdom (vignyana) is integrated with life and issues out in action, it becomes devotion (bhakti). Knowledge (jnana) which has become mature is spoken of as devotion (bhakti). If it does not get transformed into devotion (bhakti), such knowledge (jnana) is useless tinsel."
In this prayer, Adi Shankaracharya emphasizes the importance of devotion for God as a means to spiritual development and to liberation from the cycle of birth and death. The prayer leaves one in no doubt that the renunciation of our egotistical differences and surrender to God makes for salvation. Many scholars hold that this composition encapsulates with both brevity and simplicity the substance of all Vedantic thought found in whatever other works that Adi Shankaracharya wrote:
The refrain "Bhaja Govindam" which defines the composition and gives it its name invokes the almighty in the aspect of Vishnu; it is therefore very popular not only with Sri Adi Shankaracharya's immediate followers, the Smarthas, but also with Vaishnavas and others.
This document contains 28 verses from the Bhaja Govindam of Adi Shankara, a Hindu philosophical text. The verses discuss renouncing worldly attachments and desires, and focusing one's mind inwardly on Brahman/the divine. They encourage reflecting on the impermanence of life and finding happiness through non-attachment rather than fleeting pleasures or relationships. The overall message is to worship Govinda (Vishnu/the divine) and seek liberation from samsara, the cycle of rebirth.
The document discusses RFID technology, including its components, types of tags, applications in various industries, results of an online survey on its benefits, further development opportunities, and concludes that RFID provides benefits like contactless reading and holding more data than barcodes but also has negatives like higher costs compared to barcodes and ongoing standards development.
Bhajagovindam by Adi Sankara English Transliteration with MeaningRavi Ramakrishnan
Bhaja Govindam [Praise/Seek Govinda (Vishnu) or (Krishna)] also known as Moha Mudgara (Hammer [to shatter] illusion) is a popular 8th century Hindu devotional composition in Sanskrit attributed to Adi Shankara. This work of Adi Shankara underscores the view that devotion (Bhakti) to God, Govinda, is a vastly important part of general spirituality, as emphasised by Bhakti Yoga and theBhakti movement. This work is generally considered a summary of Adi Shankara's Advaita Vedanta philosophy.
This composition is a reminder that the author, Adi Shankaracharya, who is often regarded as a stalwart advocate of the Jnana Marga (Jnana Yoga) or the "Path of Knowledge" to attain Mukti, yielded to none in appreciating, indeed enjoining the Bhakti Marga (Bhakti Yoga) or the "Path of Faith/Devotion" to the same goal, and as C. Rajagopalachari put in his commentary, "When intelligence (jnana) matures and lodges securely in the heart, it becomes wisdom (vignyana). When that wisdom (vignyana) is integrated with life and issues out in action, it becomes devotion (bhakti). Knowledge (jnana) which has become mature is spoken of as devotion (bhakti). If it does not get transformed into devotion (bhakti), such knowledge (jnana) is useless tinsel."
In this prayer, Adi Shankaracharya emphasizes the importance of devotion for God as a means to spiritual development and to liberation from the cycle of birth and death. The prayer leaves one in no doubt that the renunciation of our egotistical differences and surrender to God makes for salvation. Many scholars hold that this composition encapsulates with both brevity and simplicity the substance of all Vedantic thought found in whatever other works that Adi Shankaracharya wrote:
The refrain "Bhaja Govindam" which defines the composition and gives it its name invokes the almighty in the aspect of Vishnu; it is therefore very popular not only with Sri Adi Shankaracharya's immediate followers, the Smarthas, but also with Vaishnavas and others.
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Required field - Field must contain a value
Data type - Field must contain correct data type (text, number, etc.)
Range check - Field value must fall within specified range of values
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Radio Frequency Identification(RFID) is one of the most exciting technology that revolutionize the working practices by increasing efficiencies and improving profitability.
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Report on rfid
1. RFID Technologies: Emerging Issues,
Challenges and Policy Options
Authors: Marc van Lieshout, Luigi Grossi, Graziella Spinelli, Sandra Helmus,
Linda Kool, Leo Pennings, Roel Stap, Thijs Veugen,
Bram van der Waaij, Claudio Borean.
Editors: Ioannis Maghiros, Pawel Rotter, Marc van Lieshout
EUR 22770 EN - 2007
5. RFID technologies
Acknowledgements
Editors:
Ioannis Maghiros, European Commission – DG JRC – IPTS
Pawel Rotter, European Commission – DG JRC – IPTS
Marc van Lieshout, TNO
Authors:
Marc van Lieshout, TNO
Luigi Grossi, Telecom Italia
Graziella Spinelli, Telecom Italia
Sandra Helmus, TNO
Linda Kool, TNO
Leo Pennings, TNO
Roel Stap, TNO
Thijs Veugen, TNO
Bram van der Waaij, TNO
Claudio Borean, Telecom Italia
Other Contributors:
Other experts participating in the validation workshop which took place on 3 October 2006 in Ams-
terdam:
Gaynor Backhouse, Intelligent Content, UK
Ruud Beugelsdijk, College Bescherming Persoonsgegevens, The Netherlands
Massimo Bolchini, INDICOD, Italy
Paula Bruening, Center for Democracy and Technology, USA
Lew Claiborne, RF SAW Inc., USA
Bruno Crispo, Free University Amsterdam, The Netherlands
Florent Frederix, European Commission
Richard Foggie, Department of Trade and Industry, UK
Jeroen van den Hove, Technical University of Delft, The Netherlands
Britta Oertel, Institut for Zukunftstudien und Technologiebewertung, Germany
Technical Report Series
Bart Schermer, ECP.nl and RFID Platform, The Netherlands
Jeroen Terstegge, Royal Philips BV, The Netherlands
Daniel Tijink, Department of Economic Affairs, The Netherlands
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6.
7. RFID technologies
Table of contents
List of figures.................................................................................................................................. 9
List of tables ................................................................................................................................... 11
List of boxes ................................................................................................................................... 13
Executive summary ........................................................................................................................ 15
Preface ........................................................................................................................................... 21
Structure of the report ................................................................................................................... 23
Part one: RFID technologies........................................................................................................... 27
1. RFID technologies: system features and future technologies...................................................... 29
1.1. Introduction........................................................................................................................ 29
1.2. RFID system features .......................................................................................................... 30
1.3. RFID Infrastructure elements............................................................................................... 34
1.4. RFID middleware ............................................................................................................... 35
1.5. Organizations developing international standards............................................................... 36
1.6. Future tagging technologies ................................................................................................ 37
1.7. Potential challenges of RFID implementation ..................................................................... 40
2. Spectrum Allocation................................................................................................................... 41
2.1. Regulatory status for using RFID ......................................................................................... 42
2.2. Efficient use of spectrum allocation (RFID, WiFi, ZigBee).................................................... 43
3. RFID Standards .......................................................................................................................... 45
3.1. EPCglobal ........................................................................................................................... 45
3.2. International Organization for Standardization (ISO)........................................................... 47
3.3. ISO/IEC 14443.................................................................................................................... 50
3.4. European Telecommunications Standardization Institute – ETSI .......................................... 50
3.5. Conformance testing........................................................................................................... 52
Technical Report Series
3.6. Interoperability Issues ......................................................................................................... 52
4. RFID technologies: RFID system features ................................................................................... 53
4.1. The RFID systems perspective............................................................................................. 53
4.2. RFID system perspective ..................................................................................................... 54
4.3. RFID lifecycle description................................................................................................... 61
4.4. Typology of RFID usages..................................................................................................... 64
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4.5. RFID usage in business domains ......................................................................................... 70
4.6. Summary and conclusions .................................................................................................. 71
8. Table of contents
Part two: Market perspectives and socio-economic issues ............................................................. 73
5. RFID market perspectives .......................................................................................................... 75
5.1. Actors and stakeholders ...................................................................................................... 75
5.2. Market key drivers .............................................................................................................. 85
5.3. Strengths, weaknesses, opportunities, threats ...................................................................... 88
5.4. Market forecasts and trends ................................................................................................ 89
5.5. RFID patents ....................................................................................................................... 92
5.6. RFID and SMEs ................................................................................................................... 94
6. Socio-economic aspects of RFID ................................................................................................ 95
6.1. Framework of the study ...................................................................................................... 95
6.2. Methodology and reading guide ......................................................................................... 95
6.3. Theoretical framework on adoption and diffusion of technology ........................................ 96
6.4. Trust and acceptance of RFID technology ........................................................................... 99
6.5. Diffusion and adoption of RFID .......................................................................................... 104
6.6. RFID: Employment, training and education ........................................................................ 112
6.7. Conclusions and recommendations .................................................................................... 115
7. Privacy aspects of RFID.............................................................................................................. 119
7.1. Introduction........................................................................................................................ 119
7.2. The sensitivity of RFID towards privacy infringements ........................................................ 119
7.3. Privacy in RFID systems...................................................................................................... 121
7.4. Privacy threats within the tag-reader system ....................................................................... 123
7.5. Privacy threats at the backend of the RFID system .............................................................. 124
7.6. Open and closed RFID systems .......................................................................................... 125
7.7. Strategies to cope with the privacy threats .......................................................................... 126
7.8. Privacy laws ....................................................................................................................... 126
7.9. Self–regulation.................................................................................................................... 128
7.10. Technical solutions ........................................................................................................... 130
7.11. Conclusions ...................................................................................................................... 132
8. Security aspects of RFID ............................................................................................................ 133
8.1. General overview of RFID security threats .......................................................................... 133
Technical Report Series
8.2. Security threats for the tag .................................................................................................. 133
8.3. Security threats for the air interface..................................................................................... 133
8.4. Security threats for the reader ............................................................................................. 134
8.5. Security measures for the tag .............................................................................................. 135
8.6. Security measures for the air interface ................................................................................ 136
8.7. Security measures for the reader ......................................................................................... 136
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8.8. Security measures for other parts of RFID systems............................................................... 137
8.9. General security evaluation of RFID ................................................................................... 137
8.10. RFID security challenges in a broader perspective ............................................................ 139
9. RFID technologies
8.11. Security aspects of RFID in EU-research projects............................................................... 142
8.12. Conclusion ....................................................................................................................... 146
Part three: RFID case studies.......................................................................................................... 149
9. Searching the dynamics of RFID-practices ................................................................................. 151
9.1. Selecting the appropriate cases ........................................................................................... 152
9.2. Main conclusions from the case-studies.............................................................................. 154
10RFID in animal tagging .............................................................................................................. 159
10.1. Overview RFID in animal tagging ..................................................................................... 160
10.2. Illustrative examples ......................................................................................................... 163
10.3. EU activities in animal tracking ........................................................................................ 163
10.4. European legislation ......................................................................................................... 168
10.5. Discussion of EU approach............................................................................................... 170
10.6. US approach to electronic identification........................................................................... 170
10.7. Discussion ........................................................................................................................ 172
11. RFID in healthcare ................................................................................................................... 175
11.1. Description of cases.......................................................................................................... 176
11.2. RFID applied to objects: medication and equipment traceability....................................... 176
11.3. RFID applied to objects: services operation support .......................................................... 178
11.4. RFID for people identification and localization in healthcare............................................ 179
11.5. Lessons to learn ................................................................................................................ 181
11.6. Recommendations for European policy............................................................................. 182
12. RFID in the ICT-sector.............................................................................................................. 183
12.1. Description of cases ......................................................................................................... 183
12.2. Drivers and barriers: lessons to learn for Europe ............................................................... 187
13. RFID in identity cards .............................................................................................................. 189
13.1. Overview of RFID in identity cards ................................................................................... 189
13.2. RFID in e-passports........................................................................................................... 191
13.3. RFID and identity cards in EU........................................................................................... 197
Technical Report Series
13.4. Financial institutions cards ............................................................................................... 199
13.5. Discussion ........................................................................................................................ 201
14. RFID in Public transport........................................................................................................... 205
14.1. RFID in public transport ................................................................................................... 206
14.2. Case 1: the Netherlands.................................................................................................... 208
7
14.3. Case 2: London ................................................................................................................ 213
14.4. Case 3: Venice.................................................................................................................. 217
14.5. Discussion ........................................................................................................................ 218
10. Table of contents
Part four: Policy analysis and recommendations ............................................................................ 223
15. Policy analysis and recommendations ...................................................................................... 225
15.1. European RFID stakeholders and markets ......................................................................... 225
15.2. EU-wide benefit of RFID ................................................................................................... 227
15.3. Issues for public policy intervention ................................................................................. 229
15.4. Policy options to further research needs............................................................................ 235
15.5. Policy recommendations .................................................................................................. 237
Annex 1: References....................................................................................................................... 243
Annex 2: Acronyms ........................................................................................................................ 249
Annex 3: Regulatory status RFID in the UHF spectrum.................................................................. 251
Annex 4: Self regulation: guidelines and code of practices............................................................. 255
Annex 5: European activities in E-passports ................................................................................... 259
Annex 6: Overview on ID documents in Europe ............................................................................ 261
Annex 7: RFID in European public transport projects .................................................................... 263
Annex 8: RFID pilots and trials within the EU and the US.............................................................. 265
Annex 9: Full contents.................................................................................................................... 267
Technical Report Series
8
11. RFID technologies
List of figures
Figure 1-1 Diagram describing operation of the RFID system. .................................................... 30
Figure 1-2 Passive and active RFID tags packages ...................................................................... 31
Figure 1-3 Frequency used by RFID systems............................................................................... 32
Figure 1-4 RFID middleware – ALE layer as defined by EPCGlobal ............................................ 35
Figure 1-5 Surface Acoustic Wave (SAW) Tags............................................................................ 38
Figure 3-1 RFID frequencies and relevant standards ................................................................... 45
Figure 4-1 Positioning of RFID-system........................................................................................ 53
Figure 4-2 Classification of technologies around RFID ............................................................... 55
Figure 4-3 NFC architecture ....................................................................................................... 59
Figure 4-4 RFID lifecycle........................................................................................................... 62
Figure 4-5 3-tier reference model ............................................................................................... 64
Figure 4-6 Application usage model........................................................................................... 67
Figure 5-1 RFID value chain....................................................................................................... 76
Figure 5-2 Map of RFID offering actors....................................................................................... 77
Figure 5-3 RFID applications evolution ...................................................................................... 86
Figure 5-4 Average TAG price per application 2006-2016.......................................................... 87
Figure 5-5 Technologies appropriate to the different level of TAG cost and volume.................... 87
Figure 5-6 RFID hype cycle........................................................................................................ 89
Figure 5-7 RFID, worldwide size and growth, 2004-2010 .......................................................... 90
Figure 5-8 Total RFID market projections 2006-2016 ................................................................. 91
Figure 5-9 RFID tag market forecast ........................................................................................... 91
Figure 5-10 IDTechEx (elaboration) and Gartner forecasts comparison ......................................... 92
Figure 5-11 Total spend on RFID systems, service and tags by territory......................................... 92
Figure 6-1 Innovation diffusion process theory ........................................................................... 97
Figure 6-2 Revised innovation diffusion model........................................................................... 98
Technical Report Series
Figure 6-3 Technology acceptance model .................................................................................. 98
Figure 6-4 Unified theory of acceptance and use of technology ................................................. 99
Figure 7-1 Abstract view on privacy risks in EPC network .......................................................... 122
Figure 8-1 A general RFID architecture....................................................................................... 134
Figure 8-2 Relationship of RFID research projects to policy issues.............................................. 143
Figure 8-3 RFID projects by application area.............................................................................. 143
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Figure 8-4 Roadmap: towards a RFID policy in Europe .............................................................. 145
Figure 9-1 Expected diffusion of RFID tags, 2006-2016. ............................................................. 151
Figure 9-2 Expected value of RFID tags in different application domains.................................... 153
12. List of figures
Figure 11-1 Functionality of the Assetrac system .......................................................................... 177
Figure 11-2 Attitude of patients towards monitoring vital functions .............................................. 180
Figure 12-1 CocaCola RIFD equipped automate, ready for NFC use ............................................ 185
Figure 12-2 Functionalities of JTON mobile wallet ....................................................................... 186
Figure 14-1 Actors involved in RFID in Dutch public transport .................................................... 209
Figure 14-2 Various service levels as distinguished by TLS (PoS: Point of Sale) ............................. 211
Figure 14-3 Actors in the London oyster transport ticketing project .............................................. 215
Figure 14-4 Venice public transport boat...................................................................................... 217
Figure 15-1 Position of EU countries in adopting RFID................................................................. 226
Figure 15-2 SWOT analysis of EU-wide implementation of RFID ................................................. 228
Figure 15-3 RFID systems approach ............................................................................................. 229
Technical Report Series
10
13. RFID technologies
List of tables
Table 1-1 Frequency bands and applications ............................................................................ 31
Table 2-1 RFID frequency bands and applications .................................................................... 41
Table 2-2 EU27 UHF spectrum allocation................................................................................. 42
Table 2-3 UHF spectrum allocation in other Europe countries .................................................. 43
Table 3-1 EPCglobal protocol.................................................................................................... 46
Table 4-1 RFID tag types versus identification, location and state.............................................. 62
Table 5-1 SWOT analysis of RFID market perspectives ............................................................. 88
Table 5-2 Patent ownership summary (RFID Journal Live) ......................................................... 93
Table 6-1 Phases in the development of innovation diffusion processes .................................... 97
Table 6-2 Factors contributing to trust ....................................................................................... 101
Table 6-3 Factors contributing to perceived risk ........................................................................ 102
Table 6-4 Overview of retailer advantages and disadvantages................................................... 106
Table 6-5 Overview consumer benefits and drawbacks............................................................. 108
Table 6-6 Potential benefits of RFID-applications in various application areas .......................... 110
Table 7-1 Consumer concerns related to RFID. ......................................................................... 120
Table 7-2 The impact on privacy from RFID vs other technologies – Europe ............................. 121
Table 7-3 Direct and indirect privacy threats, originating from RFID-systems ............................ 123
Table 8-1 Summary of security evaluation................................................................................. 138
Table 8-2 Security risks per application area ............................................................................. 140
Table 9-1 Distribution of cases over societal domains ............................................................... 151
Table 9-2 Characteristics of RFID application domains ............................................................. 152
Table 9-3 Summary of findings from the case-studies ................................................................ 154
Table 10-1 Distribution of cases in animals and farming over worldwide regions........................ 160
Table 10-2 Distribution of cases in animals and farming within countries of Europe ................... 161
Table 10-3 European cases animal identification and tracking. .................................................. 162
Table 10-4 Overview of electronic identification devices used in IDEA project ........................... 164
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Table 10-5 European regulations and directives on (electronic) identification ............................. 168
Table 11-1 Evolution of RFID use in healthcare........................................................................... 175
Table 11-2 Distribution of cases of RFID in healthcare................................................................ 176
Table 12-1 Distribution of RFID cases over worldwide region..................................................... 184
Table 13-1 Applications domains for RFID in identity cards. ....................................................... 190
Table 14-1 Distribution of Sony FeliCa card in public transport in Asia....................................... 206
11
Table 15-1 Overview of issues for public policy intervention ...................................................... 230
Table 15-2 Overview of actor related policy issues .................................................................... 234
Table 15-3 Overview of research issues ...................................................................................... 236
14.
15. RFID technologies
List of boxes
Box 7-1 1980 OECD guidelines on the protection of privacy
and transborder flows of personal data. ..................................................................... 126
Box 7-2 Privacy guidelines by centre for democracy
and technology working group on RFID. ................................................................... 129
Box 7-3 Enforcement of compliance of RFID with fair information principles ......................... 131
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13
16.
17. RFID technologies
Executive summary
Radio Frequency Identification (RFID) technology, an enabling technology for automatic identification
based on radio waves, will impact the daily lives of European citizens in many different ways. Minuscule
devices, called RFID tags are attached to objects and emit information which aptly positioned readers may
capture wirelessly. Such tags and readers come in various shapes and forms, have technological capabili-
ties that can open up new application areas and are already in use to improve efficiency and reliability. They
also facilitate the coupling of the physical reality to the virtual world, infusing it with digital functionality
and triggering the move towards the so called Knowledge Society.
The technology is complex but mature enough for immediate deployment. However, due to its en-
abling character, it is still under constant evolution – as is evidenced by the increasing number of RFID re-
lated patents (65% increase in 2004). The RFID market is still in its infancy with most applications not being
large-scale and the forecasted economic benefits (Return-on-Investment) still unclear. However, the tech-
nology providers’ market for RFID is global and Europe houses a few of the world’s strongest RFID suppli-
ers. At the same time the end-user market is specialised in diverse application areas, mainly local and
usually dependent on emerging opportunities in the public sector domain. Technology Consultants IDTechEx
predict that in 2007 a total of 1.7 billion tags will be sold and that the global RFID market value (including
all hardware, systems, integration etc) will be 3.8 billion Euros, rising to 21,3 billion Euros by 20171.
Many Europeans already use RFID-equipped cards to access, for instance, their work premises or pay
for their public transport fare. The technology is also successfully used for animal tagging, in order to pro-
tect the consumers from a host of animal diseases or help them trace their lost pets, and as anti-fraud pro-
tection in luxury items. RFID technology is forecasted to spread rapidly over the next decade as soon as tag
costs fall enough to allow item-level-tagging. In addition to private sector activities, there are ongoing ini-
tiatives both at European and Member State level which demonstrate, on the one hand, an overall compa-
rable activity to that of the US but on the other considerable differences (in magnitude and speed of uptake)
among EU countries. Early adopters are expecting to gain considerable experience on which they antici-
pate commercial profits, while laggards hope to be able to avoid ‘teething problems’.
However, the massive adoption of RFID introduces challenges such as concerns over possible eaves-
dropping over the air interface or over the potential danger of privacy abuses as a result of the ubiquitous,
silent and invisible character of the technology. The European Consultation process (over 2000 participants)
highlighted the fact that inadequate privacy safeguards will impact acceptance of RFID negatively; trust is
thus a major issue. There are also other issues to be addressed at European level: those related to raising
consensus on standards, achieving cross-border and cross-sector interoperability and adequate spectrum al-
location in order to increase the agility of the market. It is very important for Europe to be prepared for
rapid deployment in RFID and also to implement initiatives which will allow European citizens to benefit
Technical Report Series
from this new technology while avoiding the risks it carries.
Objective and scope of the RFID study
A study on “RFID-Technologies: Emerging issues, Challenges and Policy options” was commissioned
by the European Commission’s DG Joint Research Centre, Institute for Prospective Technological Studies
(DG JRC-IPTS) to further investigate RFID technologies and their socio-economic implications. The study
looked at technological, market, societal and legal issues so as to identify and analyse barriers and oppor- 15
1 Data published at: http://www.the-infoshop.com/study/ix49177-rfid.html
18. Executive summary
tunities for Europe, in order to propose policy options focussing on European citizens’ needs. The summary
that follows presents the major policy options proposed, a European SWOT analysis, the main issues
analysed and the structure of the report that follows.
European SWOT for RFID deployment
The study has identified, mainly through the analysis of the specific application areas, related strengths,
weaknesses, threats and opportunities for Europe. Although, it is unlikely that all EU countries will be able
to equally benefit from item-level-tagging applications due to the diversity in the structure of their manu-
facturing sectors, it is expected that they will all be able to profit from human-centred applications. In health,
public transport and animal tracking areas, RFID enable the alignment of information processes that allow
considerable efficiency gains and improved end-user convenience (e.g. increased safety in the sensitive
health area, more efficient supply and use of public transport means, locating animals). Law enforcement
is driving RFID take up in animal tracking and more secure travel documents and RFID is expected to have
a positive impact on national security and the fight against terrorism. The table below summarises the find-
ings:
Strengths Weaknesses
- Europe houses part of the big RFID suppliers; - Many European countries with only marginal attention
- High market potential; for RFID;
- Leading EU countries with RFID focused attention (UK, - No level-playing field for RFID across countries;
France, Germany, The Netherlands, Italy); - No harmonised frequency policy in the EU;
- Focus of attention comparable to USA. - Vulnerable image of RFID - Trust issue.
Opportunities Threats
- Increasing efficiency of production, trade and services; - High initial and high transition costs;
- Creation of new services, new workplaces; - Rapid technological evolution may help displace a
- Spur for economic development technology before it is widely adopted;
- Increased convenience in citizens’ everyday life; - High hidden costs (societal and organisational such as
for training and education);
- Increased security, reliability and trust;
- Possible job losses due to wide deployment;
- Stimulation of research and development of related
technologies (enabling, enhancing and concurrent). - If not implemented properly, RFID may bring a num-
ber of threats to privacy and security (Function creep,
surveillance capacity).
On the other hand, market integration seems to be the first challenge for Europe to tackle while bal-
ancing the efficiency gains for businesses with the perceived benefits for citizens emerges as the next chal-
lenge. However, Europe’s responsibility goes beyond achieving very low cost tags which would enable a
future where item-level-tagging is possible; the opportunity comes from developing high-end, added-value
market applications promising accurate and actual data-based quality, improved personal safety and secu-
Technical Report Series
rity and extensive convenience. The biggest opportunity for Europe in embracing this technology seems to
be the realisation of the vision of an integrated physical and virtual world life where RFID technology is the
ubiquitous, always-on, seamless bridge to and from both worlds.
Emerging issues and challenges
With RFID out of the laboratory and into the mainstream of business and society, a debate as to the
likely and desired implications of the technology on the socio-economic fabric should take place. The study
16 identified a lot of opportunities but also challenges that need to be openly debated. To begin with, the study
identified many technical challenges (e.g. in developing advanced RFID tags, linking to wireless networks,
merging with sensor devices, improving reliability, setting standards, and testing and certification) and some
market ones (e.g. high initial investment costs, uncertainty as to which standards or which technologies
19. RFID technologies
will persist, adoption issues as a result of low trust, etc…). Nevertheless, the study would like to draw at-
tention to a number of issues for which consensus will be needed before decisions on the scope and the
focus of future initiatives may be taken. Some of them are described below:
1. Currently, a major drawback to wide-spread deployment of RFID systems is the overall attitude of
people towards them. In general today, social acceptance and trust of RFID is quite low – as a re-
sult of insufficient privacy and security safeguards and also the lack of awareness – and may impede
take up of RFID technology. However, it is not sufficient to make the technology secure and reliable.
The perception of security depends on the individual’s reaction to both the risks and the countermea-
sures adopted. Individuals will need to be appropriately educated if their perceptions are to closely
match deployed RFID security reality.
2. Ethical issues are also at stake (e.g. over the use of RFID implants) and the development of European
good ethical practice is a first step towards addressing them. Due to the complexity of advanced RFID
systems, a process needs to be defined which will identify and counter emerging security and pri-
vacy threats, prior to the deployment of RFID systems.
3. The foreseen wide-spread use of RFID applications and its enabling capacity raise various security
and privacy concerns. Most of them are being dealt with through improved technological design,
taking into account security and privacy throughout the value chain and also by judging the sensi-
tivity of the case to security and privacy issues. Various initiatives, at EU level, to tackle RFID pri-
vacy and security concerns already exist; for example, the Article 29 Working Party has expressed
its views on minimising data collection and preventing unauthorised forms of processing through im-
proved use of the technology. However, it is the appropriate mix of self-regulation, through the cre-
ation of codes of conduct and of legislation that would need to be enforced that is at the heart of the
debate on further initiatives required.
4. The impact on employment is not clear and should be monitored. Pessimistic forecasts say that de-
ployment of RFID technology may result in about 4 million job losses (over a 10 year period in the
US). However, no major disruption of the labour market is expected, apart from the forecasted short-
age of skilled professionals which will impact rapid deployment. Moreover, RFID will create new
jobs, related to data processing and service-related jobs and the overall resulting economic growth
may also contribute to the creation of additional workplaces. It is clear that training activities will
be needed as new kinds of skills will be required both for professional workers (development) and
end-users (customisation).
5. High initial costs for setting-up RFID systems, uncertainty on the future of the most promising tech-
nologies of today, the lack of well established standards and finally hidden societal, and organiza-
tional costs (e.g. training) are well-known barriers for smaller companies which are reluctant to
adopt the technology.
6. Dependability of RFID information systems, especially in sensitive application areas such as health,
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signals the need to design appropriate fallback procedures in case there are system failures. This ob-
viously adds to the costs of deployment and represents yet another barrier.
7. There is a clear gap between leaders and followers in RFID adoption in Europe. This may limit the
foreseen benefits of a larger European market and constrain the development of high-end applica-
tions which promise to enable a new generation of services for citizens. Moreover, closing the gap
has positive growth implications as ‘local’ European firms will play an important role in the challeng-
ing ICT transformation processes that RFID brings.
17
8. The direction a European harmonized frequency policy should take is still under debate. However,
the question as to whether reserved spectrum bandwidth in the EU will be sufficiently large for fu-
ture applications is already important. For comparison purposes, the US administration has reserved
bandwidth that is 10 times larger.
20. Executive summary
9. As a result of the wireless and invisible nature of RFID information exchange enhanced testing and
certification procedures are needed in order to ensure that, for example, requirements concerning
privacy and security are fulfilled (e.g. kill command works according to specification). A vendor-neu-
tral solution to the establishment of certification of providers, approved system integrators, RFID
consultants and trainers is needed.
10. Although there are many available technical standards (ISO, EPCGlobal), semantic interoperability
is also needed so as to allow the structured exchange of information in RFID-based systems as in-
formation is application specific. This type of standard would increase usability of information stored
on tags and produced by sensor networks. Insufficient semantic interoperability of RFID systems
may restrict benefits from their deployment, especially for globally operating systems.
11. RFID systems produce a lot of data locally and collision avoidance is a practical requirement that
needs to be addressed. Advanced RFID systems, serving geographically distributed needs, generate
huge amounts of data which are difficult to manage in real time and which are expected to create
a new burden on the global network infrastructure; especially when the system architecture foresees
centralised data storage. Moreover, in today’s complex business processes where the value chain is
composed of different companies, issues related to data ownership, control and liability will need
to be addressed.
Proposed policy options
The study looked at a number of RFID issues in general and also focused on the analysis of five selected
application areas (animal tagging, healthcare, public transport, identity documents and the ICT sector)
where implementation in Europe is well advanced, in order to draw conclusions as to what is at stake for
Europe. As technological evolution is continuous, achieving a balance between reaping the benefits and
avoiding the pitfalls associated with its implementation is inevitably a moving target. Given the enormous
socio-economic potential of this particular technology, a debate on what role Europe should play in this
areas has been launched. Whatever the result of this debate, Europe ought to tread a fine line between is-
sues that are considered to be of vital importance for the market players, and the interests of the citizens.
Moreover, the EU should take up this opportunity to drive the realisation of the vision of a European Infor-
mation Society where services integrating the real and the virtual worlds are on offer.
Bearing in mind that there are various intervention instruments (technological, legal, or through stim-
ulation of self-regulation) at the disposal of the policy maker, the study presents the following policy options:
1. Europe will benefit from stimulating cross-border take up of RFID applications primarily through
setting-up a harmonised frequency policy and then through stimulating consensus on standards and
interoperability issues. Moreover, promotion of best practice, financial support of cross-border pilot
and trial programmes, and fostering SME participation in the area will contribute to helping fight mar-
ket fragmentation and bringing all EU Member States closer to the European Information Society vi-
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sion.
2. The Internet of Things (the billions of tagged objects that will enable access to back-end information
systems) will require a service for registering and naming identities, the Object Name Service (ONS),
which should be interoperable, open and neutral to particular interests. Europe should position it-
self in the appropriate international fora to exercise its responsibilities in this area.
The report has also identified the need to establish a debate on RFID in Europe as well as the need for
18 further technological and legal research as primary recommendations for action.
1. European society needs an information campaign on RFID systems to raise awareness as to the likely
benefits and possible risks of the wide-spread application of this technology. A debate should also be
launched with a view to making the preferred and ethical use of the technology more explicit to all.
21. RFID technologies
2. A closer look at the existing legal framework is deemed essential. Further study is also needed to de-
velop a process for establishing guidelines and best practices which aim to build safeguards against
emerging RFID risks.
3. As a result of the enabling character of the technology and its multi-sensor data integrating capabil-
ities, there is a clear need for further technological research to improve efficiency, robustness and
security. More research will be needed into:
a) advanced tag-reader systems;
b) the enhancing of security and ‘privacy by design’ for complex applications;
c) the impacts of almost permanent exposure to very low intensity radio waves produced by ubiq-
uitous always-on RFID devices;
d) the re-skilling of the professional population to foster market expansion;
e) how to foster creativity and innovation spirit to help create additional and more advanced links
between the physical and the virtual worlds.
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19
22.
23. RFID technologies
Preface
This report is the result of a study on RFID, commissioned by the Institute of Prospective Technology
Studies (IPTS), of the Directorate General Joint Research Centre (DG JRC) of the European Commission.
The objective of the study is to inform the policy process within the European Union on the socio-eco-
nomic and technological developments taking place with respect to RFID, analysing prospects and barri-
ers to RFID technologies, and the broader technological, economic, social and legal challenges, to come
to a well-founded set of research and policy recommendations. The scope and detailed specification of re-
search has been prepared by IPTS. The study has been performed by two research organisations: TNO (The
Netherlands) and Telecom Italia (Italy) in cooperation with IPTS, between December 2005 and January
2007. During this period, the European Commission has organised an open public consultation process on
RFID and issued a communication on the subject.
The study has been clustered around a number of research challenges:
• the presentation of a state of the art overview regarding RFID technologies, the relation of RFID
technologies with a broader set of ICTs (existing and emerging networks), the analysis of the state-
of-the-art concerning frequency allocation and standards, and an analysis of usage typologies of
RFID;
• the analysis of market perspectives and socio-economic aspects; the latter were narrowed down to
aspects concerning users and trust relations, privacy and security;
• the analysis of the introduction of RFID in a number of application areas; the application areas cho-
sen were: the use of RFID for animal tagging, the use of RFID in the health sector, the use of RFID
within the ICT-sector itself, the use of RFID in identity cards, and the use of RFID within public
transport systems; this was a deliberate choice, given the surplus of attention for and information
about RFID within logistic processes;
• the analysis of the results of the previous steps in terms of policy relevance and the formulation of
policy recommendations.
To validate the findings of the project team, a validation workshop has been held on October 2006.
The results of the validation workshop have been used to enrich and complement the report.
Many authors have contributed to make this report possible. Marc van Lieshout was overall project
leader of the project. More in detail: Marc van Lieshout has written chapters 8, 10, 11 and 16 and together
with Sandra Helmus chapter 15; Luigi Grossi has written chapters 4 and 6 and together with Claudio Borean
chapters 2 and 3; Graziella Spinelli has written chapters 12 and 13; Leo Pennings has written chapter 14
and together with Linda Kool chapter 7; Thijs Veugen has written chapter 9; and finally chapter 5 was writ-
ten by Roel Stap and Bram van der Waay.
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21
24.
25. RFID technologies
Structure of the report
The report that follows is composed of four parts. The first part details the technological dimension of
RFID systems including the situation on standards and spectrum allocation. The second part presents RFID
market parameters and raises socio-economic issues. The third part presents five case studies from differ-
ent application sectors and draws conclusions as to the specific areas of development as well as for the
whole RFID market in Europe. The last part analyses the situation and presents recommendations for fur-
ther initiatives in Europe. The contents of the first four parts are presented in more detail below:
Part 1: RFID technologies
The state-of-the-art in RFID technology is presented as well as other technologies which: (i) enable
RFID usage (e.g. Ethernet or Bluetooth); (ii) enhance it by adding further functionality to basic RFID capa-
bilities (like Near-Field-Communication (NFC) or functionalities offered by middleware); (iii) are compet-
ing with it (such technologies are divided into those which enable identification, location or information
on state).
The report provides a prospective analysis of alternative tagging technologies, which may replace RFID
in the future, like Surface Acoustic Waves, optical tags or DNA tags. It also describes technological limita-
tions of RFID (for example, those resulting from the physical properties of radio waves) and possible solu-
tions to these problems.
The currently available spectrum allocation and frequency regulatory status for using RFID in the EU
and world-wide is presented, as well as a description of the most common standards on the market (EPC
Global, ISO and ETSI).
The first part ends with a proposal for a typology of RFID applications, which considers business use
criteria as well as the sensitivity of application areas in terms of privacy protection. It uses this typology to
draw conclusions about the drivers for further development of intelligent applications facilitating global
collaboration and automation.
Part 2: Market perspectives and socio-economic issues
The main forces driving the RFID market evolution are presented in an inventory which provides in-
formation about the main actors on the global RFID market, such as tag manufacturers, system integrators,
software providers and consultants. It also provides web links to their sites. This is followed by an analysis
of the RFID market showing that the change of application profile is largely driven by the tag price. Appli-
cation areas where a relatively high tag price is acceptable (e.g. e-documents, e-payment, access control)
Technical Report Series
have already been developed, and in the next few years the rapid development of applications demanding
low-cost tags, (e.g. asset management, supply chain and retail logistics) should be expected.
The pros and cons of RFID usage are analysed from both the retailer’s and the user’s perspective. Lack
of regulation for spectrum allocation in some countries, limitations of technology (e.g. interference of radio
signal with metals and water), possible carriers for SMEs (e.g. high initial investment) and forecasts of im-
pact of RFID on employment and likely implications are also presented.
Finally, an exhaustive analysis of privacy and security challenges are also included. Privacy threats, like 23
‘sniffing’ the tag information, using tags to track a person, function creep and strategies to counter them are
analysed. Threats to security and countermeasures are also discussed as is a methodology of security eval-
uation, based on the relation between the costs of attack and the cost of countermeasures.
26. Structure of the report
Part 3: Case Studies of RFID implementation
Five application areas were selected to describe state-of-the-art deployment in Europe of RFID tech-
nology: animal tagging, healthcare, public transport, identity cards and the ICT sector itself. Analysis in the
respective areas is organised around key criteria such as: drivers/barriers, threats/opportunities, role of stake-
holders including Member State governments, the technology involved and the likely role for Europe as a
whole. The in-depth analysis of such criteria helped determine the drivers and barriers for future RFID
usage, the stakeholders’ perspectives on the identified drivers and barriers and the perceived European mar-
ket potential and length of time to adoption. The main issues shaping the policy evaluation include the di-
versity in stakeholder strategies due to variations in Member State markets and structure of the economy,
the perceived EU-wide benefit and the role of the public sector in helping to achieve these benefits.
For each of these application areas conclusions as to future developments of RFID systems are drawn
and presented briefly below:
• Animal tracking is potentially a huge market segment. The overarching incentive for the introduction
of animal ID is that it would enable quick response in animal disease crises (e.g. Foot and Mouth Dis-
ease, or Avian influenza). Barriers and opportunities for further development are presented.
• In healthcare, RFID may be used to track medicines, prevent patients from taking the wrong drugs
or track hospital assets. This would prevent theft and allow optimal usage of equipment. RFID may
also be used for patient identification and localisation (e.g. in a crowded environment). In general,
RFID can considerably improve performance and reduce costs of healthcare but it also creates new
challenges.
• RFID is already used in the area of public transport. RFID-based tickets and public transport cards
increase efficiency and convenience and are well received by the users. Main barriers are the mas-
sive financial investments and the high complexity of such systems leading to costly down-times.
• In the area of identity cards, the main driver for RFID use was the need for increased security (e-
passport) in the fight against terrorism. Today, both security and privacy concerns drive further tech-
nology improvements. Perhaps, the more positive reaction of consumers towards contactless credit
cards is a hopeful message indicating future acceptance likelyhood.
• In the ICT sector, many companies have started to explore ways to manage and track assets in the
ICT department in order to optimize professional personnel work. NFC technology is forecasted to
spread widely with its incorporation in mobile devices to be used in contactless payments or con-
tact-less ticketing. No significant barriers to RFID deployment in this sector are foreseen.
Part 4: Policy analysis and recommendations
Finally, the report presents an analysis of all data presented. This leads into conclusions and recommen-
dations which aim to address a number of overarching questions and thus set the basis for a debate in Eu-
Technical Report Series
rope on RFID applications. The impact on EU market integration and what role the public sector plays in
stimulating and supporting the realisation of EU-wide benefits is discussed. Research initiatives are also dis-
cussed and proposed in this section. In essence, the report proposes a way through which Europe may stim-
ulate initiatives to address the issues presented and thus reap the foreseen benefits of the wide-spread
deployment of RFID technology.
24
27. RFID technologies
Annexes
The report has a number of annexes which present:
1. List of references
2. List of acronyms
3. A word-wide inventory of regulatory status of RFID in the UHF spectrum;
4. A description of selected guidelines and code of practices regarding the implementation and use
of RFID technologies;
5. An overview of European activities in e-passports
6. An overview of European activities in other type of e-documents (national ID cards, electronic
signature cards, healthcare identity cards, electronic documents for social insurance)
7. RFID in European projects related to public transport
8. Statistics of RFID pilots and trials within the EU and the US divided by application areas.
9. Full table of contents to facilitate reading and procedural and organisational details of this fairly
complex process.
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25
31. RFID technologies
1. RFID technologies: system features and future
technologies
1.1. Introduction ing, factory automation, and animal tagging. The
most common application of RFID technology
RFID stands for Radio Frequency Identifica- today is for tracking goods in the supply chain,
tion. The main goal of an RFID system is to carry tracking assets, and tracking parts from a manufac-
data on a transponder (tag) that can be retrieved turing production line. Other application areas in-
with a transceiver through a wireless connection. clude the control of access to buildings, network
The ability to access information through a non- security, and also payment systems that let cus-
line-of-sight storage in a tag can be utilized for the tomers pay for items without using cash.
identification of goods, locations, animals, and
even people. Discerning specific information from Nevertheless some technology related issues
these tags will have profound impacts on how in- still condition the possible applications. As an ex-
dividuals in commerce and industry keep track of ample, liquids, water especially, absorb radiations
their goods and each other. Early use of this tech- while metals reflect it. This means that passive tags
nology concerned the evolution of barcode appli- applied to bottles of water or to aluminium cans
cations, changing the application scenario can be hardly read though placed very carefully
perspective (the main differences with barcodes with respect to the reader antenna and with dielec-
will be investigated in Section 1.2.4). tric support. This is due to the properties of the ra-
diations in relation to their wavelength It is true for
The acronym RFID, Radio Frequency IDenti-
HF tags but even more relevant for UHF tags.
fication, encompasses a number of technologies
usable to identify objects by means of radio waves. The three basic components of a typical RFID
The origin of the technique is the “Identification system are an antenna or coil, a transceiver
Friend or Foe” IFF system used in World War II by (reader with decoder), and a transponder (RFID
the Royal Air Force, that was able to get a code tag) with electronically programmed information.
back only from “friendly” aircrafts identified with In an RFID system, an antenna continuously emits
RADAR. Under this very wide umbrella the term is radio signals at a given frequency. When a
today mainly referring to systems where electronic transponder (that is set to detect that specific fre-
equipment can “read” information from a multi- quency) comes into contact with these signals, the
tude of “tags” by means of radio waves. The RFID
badge is activated and communicates wirelessly
tag can come in various shapes e.g. as a paper
with the reader through the modulation of trans-
sticker, just as barcode tags are, as a plastic Credit
mittance frequencies. Through the use of an an-
Card, or even as a rugged, chemicals and heat re-
tenna, the information that is stored on the
sistant, plastic capsule. The tag might be even
transponder can be read or written from the
powered by a very small battery to support local
transponder. Typically, the antenna is packaged
functions such as storing temperature readings or
with the transceiver into a larger structure called
Technical Report Series
enhancing the reach of the radio communication.
a reader (interrogator) that is in charge of the sys-
Although RFID is a mature technology, it took tem’s data communication and acquisition. The
several years for a large scale implementation to data that is obtained and analyzed by the reader
occur. The first ones were in the United States. The can then be transported to a computer. The gen-
implementation eventually included supply chain, eral design of a simple RFID system is displayed
freeway toll booths, parking areas, vehicle track- through the following figure:
29
32. 1. RFID technologies: system features and future technologies
Figure 1-1: Diagram describing operation of the RFID system.
A very important feature of the reader is the light, compact, and have unlimited life spans.
capacity to avoid collisions among the RFID tags
The contactless smartcards, plastic with a
using specific methods. By using collision avoid-
ance a reader can perform multiple readings ac- credit card size that can be accessed through a
celerating the overall reading process in radio reader device, are often confused with pas-
comparison with barcode systems. The perform- sive RFID. Although the communication method
ance of collision avoidance systems are evaluated is quite the same, the contactless smartcards have
in number of readings per seconds. The typical on-chip processing and memory capability that is
collision avoidance systems are based on Aloha not needed on RFID. RFID just holds an identifier
and slotted Aloha process,2 well known in litera- while contactless smartcards might hold personal
ture. The use of an efficient collision avoidance identification data, complex encryption capabili-
system is essential to calculate the data transmis- ties, or application specific logic.
sion rate of the reading process.
The active tags are typically powered by an
internal battery (that lasts several years but whose
duration strictly depends upon the application)
1.2. RFID system features and are utilized for long read-range applications
up to 100 m. Active badges can continuously emit
1.2.1. Passive, semi-passive, active a detectable signal and are typically read/write
with a higher total memory. Due to these in-
RFID tags can be characterized as either ac- creased capabilities, active tags are heavier, more
tive or passive. Traditional passive tags are typi- expensive, and have limited life spans.
cally in “sleep” state until awakened by the
reader’s emitted field. In passive tags, the reader’s Another category of tags is commonly referred
field acts to charge the capacitor that powers the to as semi-passive (also called semi-active and/or
badge. Due to the strength of the signal that is re- battery assisted RFID). These tags communicate
quired, passive tags are most often used for short with the reader as if they were passive tags but
read-range applications (<1.5 m) and require a have a battery on board in order to support spe-
Technical Report Series
high-powered reader with antenna capable of cific functions, e.g. to store periodic temperature
reading the information. Passive tags are often very information from an onboard temperature sensor.
30
2 Aloha, developed in the 1970s for a packet radio network by Hawaii University: sender finds out if there is a collision with transmitted
data and retransmits data after some time in case there is collision. In case of Slotted Aloha, time is slotted and data can be transmitted
at the beginning of one slot so reducing the collision duration.
33. RFID technologies
Figure 1-2: Passive and active RFID tags packages
1.2.2. Frequency results in a number of frequency bands in use
around the world for RFID application. A com-
The capabilities of the RFID system are also monly accepted scheme categorizes these fre-
very dependent on the carrier frequency at which quencies in four ranges that are summarized in the
information is transported. Due to government table hereafter including also typical system char-
regulation, different parts of the electromagnetic acteristics and areas of application.
spectrum are assigned for different purposes. This
Table 1-1: Frequency bands and applications
LF HF UHF Microwave
Frequency Range < 135 KHz 10 ... 13.56 MHz 860 … 960 MHz 2.4 … 5.8 GHz
Read Range ~10 cm ~1 m 2~5m ~100 m
Coupling Magnetic, Electric Magnetic, Electric Electromagnetic Electromagnetic
Frequency bands used by RFID systems are be used to increase the penetration into materials
associated to different part of ISO 18000 standard and water, but give shorter range (inductive cou-
as described in Section 3.2.1. Different frequen- pling). Higher frequencies can increase the range
Technical Report Series
cies have to be used for different applications: a (so called UHF backscattering RFID tags) but be-
rule of thumb for this is that lower frequencies can come very sensitive to environmental conditions.
31
34. 1. RFID technologies: system features and future technologies
Figure 1-3: Frequency used by RFID systems
1.2.3. Factors affecting reading capability circuitry. It can be shown that the intensity
of the magnetic field decreases in intensity
It has to be made clear that though the tech- with distance through a factor that can be
nology promises a number of fancy characteris- approximated to one over the cube of the
tics, its real application is not straightforward. The distance 1/d.3 This means that doubling the
possibility of reading RFID tags is conditioned by distance, the capability of reading the tag
critical and sometimes rather non-deterministic with the same reader is decreased to 1/8. In
factors. It is intuitive that if the tag is “too far” other words to read a tag at a distance twice
from the reader then no reading can take place. the original distance the reader should yield
On the contrary it might be extremely useful to a magnetic field with power eight times the
exactly know how to increase the reading dis- original power used.
tance up to what is needed by a specific applica-
UHF passive tag systems use the so called
tion. Another myth is that anything might be
backscattering: once the tag is activated by
tagged with an RFID, but the truth is that certain
the reception of a radio wave, it activates
materials have characteristics affecting the read-
and “sends” back a radio wave with the an-
ing capability.
swer message. In this case the factor that in-
Trying to put some order in these factors they dicates the relation between the power of
Technical Report Series
can be summarized in: the reader and the reading distance is one
over the square of the distance 1/d.2 This is
• Radio technology and reading distance why UHF is used where the reading of pas-
LF and HF passive tag systems use electric sive tags is needed at greater distances.
and magnetic3 coupling; this means that the Active tags are powered by an internal en-
reader yields a magnetic field and the tag is ergy source and thus they do not need to
capable of modifying it in a way that the extract power from a magnetic or electro-
32 reader can sense. The magnetic field should magnetic field. They are capable of over-
have enough “intensity” to power the tag coming the passive tags distance limitations
3 In the following reference will be made always to magnetic coupling as electric coupling is far less applied.