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Wireless Technology
 

Wireless Technology

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Wireless Technology

Wireless Technology

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    Wireless Technology Wireless Technology Presentation Transcript

    • WIRELESS TECHNOLOGY Yu Hong Ting 13200771 Li Wai Ho 13212842 October 11, 2013
    • WORK DIVISION Task Member Project Content/Background Li Wai Ho, Yu Hong Ting Survey and Data processing Li Wai Ho, Yu Hong Ting Data Analysis Ah Ming Multimedia Source Li Wai Ho PowerPoitn Styling Yu Hong Ting
    • PRESENTATION FLOW
    • RFID  RFID = Radio Frequency Identification  Electronic labeling and wireless identification of objects using radio frequency  Tag carries with its information  a serial number  Model number  Color or any other imaginable data  When these tags pass through a field generated by a compatible reader, they transmit this information back to the reader, thereby identifying the object
    • RFID COMPONENTS  A basic RFID system consists of these components:  A programmable RFID tag/inlay for storing item data;   Consisting of an RFID chip for data storage   an antenna to facilitate communication with the RFID chip   A reader/antenna system to interrogate the RFID inlay   Application software and a host computer system
    • RFID TAG  The RFID tag consists of an integrated circuit (IC) embedded in a thin film medium.  Information stored in the memory of the RFID chip is transmitted by the antenna circuit embedded in the RFID inlay via radio frequencies, to an RFID reader  3 types  Passive  Semi-passive  Active
    •  TYPES OF RFID TAGS
    • APPLICATIONS Frequency Appx. Read Range Data Speed Cost of Tags Application Low Frequency (125kHz) <5cm (passive) Low High • Animal Identification • Access Control High Frequency (13.56 Mhz) 10 cm – 1m (passive) Low to Moderate Mediu m to Low • Smart Cards • Payment (paywave) Ultra High Frequency (433, 868-928 Mhz) 3m -7m (passive) Moderate to High Low • Logistics and Supply Chain • Baggage Tracking Microwave (2.45 & 5.8 Ghz) 10m -15m (passive) 20m – 40m (active) High High • Electronic toll collection (Autotoll) • Container Tracking
    • CURRENT APPLICATIONS
    • ApplicationsCredit Cards with RFID (Paywave function) Octopus (Smart Card)
    • Applications Autotoll (Electronic toll collection) Access Control
    • ONLINE SURVEY  Target: SME  Information: Opinion on RFID and its applications  Site:  http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPRZuyuWtsk4
    • SURVEY RESULT Q3 Which type does your company belong to? Education 1 Education 1 Manufacturing 1 Manufacturing 4 Manufacturing 1 Retailing 4 Retailing 1 Warehousing 5 Retailing 1 Transportation 1 Warehousing 1 Others 2 Transportation 1 Warehousing 1 Manufacturing 1 Warehousing 1 Warehousing 1 Retailing 1 Others 1 Others 1 Manufacturing 1 Retailing 1 Warehousing 1
    • Only 6% are……
    • FURTHER DEVELOPMENT  In medical uses and library management
    • VIDEO http://www.youtube.com/watch?v=2QhQw8GeoSk
    • CONCLUSION  Positive  RFID is a contactless reading technology and can read through other materials  Hold more data than barcode does  RFID tags data can be changed or added  More effective, bring lots of convenience to us  Negative  Cost is relatively remain high (compare to barcode)  RFID signals may have problems with some materials  RFID standards are still being developed