seminar report on wimax
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WiMAX is an emerging wireless broadband technology that aims to connect the next 5 billion people globally. It uses adaptive modulation and orthogonal frequency-division multiplexing (OFDM) to provide broadband connectivity over both line-of-sight and non-line-of-sight environments. WiMAX faces challenges around flexibility, security, and efficiency that it addresses through features like terminal authentication, user authentication, data encryption, and being a more spectrum-efficient solution compared to other wireless technologies. If successful, WiMAX could bring broadband access to underserved rural and developing areas and make portable internet access a reality.
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Read full preprint: https://www.researchgate.net/publication/348294258_Conceptual_Design_of_LiFi_Audio_Transmission_Using_Pre-Programmed_Modules
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Position
Ppt presentation
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Free space optics (fso) seminar report full
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Lifi technology documentation
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3. The technology works by varying the intensity of LED lights to transmit binary code for "0" and "1" much like how infrared remote controls work but at higher speeds and amounts of data. This could provide wireless internet access through normal light in homes
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The document discusses laser communication systems. It begins with an introduction that explains laser communication works similarly to fiber optic links but transmits a beam through free space instead of a cable. It then covers what laser communication is, how the one-way system works with a laser transmitter that modulates a signal and a receiver with a telescope and detector, and modulation techniques like OOK, PWM, and PFM. Applications are discussed along with advantages like high bandwidth and disadvantages like beam dispersion in the atmosphere.
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The document presents on Li-Fi technology. It discusses that Li-Fi uses LED lights to transmit data wirelessly similar to Wi-Fi. The history of wireless technology and Li-Fi is explained, including its invention in 2011. Current applications of Li-Fi are in traffic lights, hospitals and airplanes where radiowaves are restricted. Challenges of Li-Fi include interference from other light sources and difficulty transmitting signals through opaque objects. The conclusion is that if developed further, Li-Fi could provide wireless internet access from any light source.
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Muhammad Aman defended his MS thesis on designing, implementing, and analyzing a Li-Fi system in noisy environments. He presented work on proposing a Li-Fi model, simulating it, analyzing results, and modeling noise. Key findings included Li-Fi working up to 9m with a single LED, a maximum reception angle of 15 degrees, and the system retrieving signals distorted by 30% but requiring complex filtering for 50% distortion. Future work could develop hardware, enable duplex communication, and apply Li-Fi to power line communication.
Lifi technology ppt
Li-Fi is a new technology that uses visible light communication and light-emitting diodes (LEDs) to transmit data wirelessly. It was introduced by physicist Harald Haas and provides data rates faster than Wi-Fi. Li-Fi uses LED light bulbs that vary in intensity faster than the human eye can detect to transmit data. It has advantages over Wi-Fi such as higher capacity, higher efficiency, greater availability, and better security since light cannot pass through walls.
skinput technology
Skinput is an input technology that uses bio-acoustic sensing to localize finger taps on the skin. An armband equipped with acoustic detectors and a pico-projector can project a graphical interface onto the skin and detect taps to provide touch input without direct instrumentation of the skin. Potential applications include controlling mobile devices, gaming, education and accessibility for disabled users. While promising direct manipulation, challenges include cost, health effects, and size of current armband prototypes. Future research aims to improve accuracy, expand capabilities and miniaturize components.
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The slides illustrate and visualize the design of a simple LIFI application-underwater communication. Using some pre-programmed module with the aim of understanding the concept of VLC visible light communication.
Read full preprint: https://www.researchgate.net/publication/348294258_Conceptual_Design_of_LiFi_Audio_Transmission_Using_Pre-Programmed_Modules
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of visually-perceivable electromagnetic waves.
The visible spectrum covers wave lengths
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Position
Ppt presentation
The document discusses light-based Wi-Fi (Li-Fi) which uses visible light communication and LED lamps to transmit data wirelessly. It notes that Li-Fi has significantly higher capacity than radio-based Wi-Fi as the light spectrum is much larger. It also describes how Li-Fi has advantages over Wi-Fi such as better security since light cannot pass through walls to intercept signals. The document outlines some of the key components used in a Li-Fi system like LED lamps that can transmit data by varying in intensity and a photodetector that receives the signals.
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Seeing through walls using Wireless Vision Technology. Wi-Fi signals are typically information carriers between a transmitter
and a receiver. In this paper, we show that Wi-Fi can also
extend our senses, enabling us to see moving objects through walls and behind closed doors.
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wimax Ppt for seminar
WiMAX (802.16) is a wireless technology that provides broadband connectivity using the IEEE 802.16 standards. It was developed to provide "last mile" broadband access using wireless technology. Key features of WiMAX include the use of OFDMA, TDD, and MIMO to provide broadband speeds over long distances. It has applications for small business connectivity, wireless backhaul, nomadic broadband access, and private networks.
Wimax Technology
This document provides an overview of WiMAX technology, including defining WiMAX as a wireless broadband technology based on the IEEE 802.16 standard. It describes fundamental WiMAX concepts such as the base station, subscriber station, modes of communication including line of sight and non-line of sight. The document also outlines benefits of WiMAX such as faster speeds than broadband, wireless connectivity without cables, and broad coverage compared to WiFi hotspots. It concludes that WiMAX can bring broadband access to more users in rural and developing areas.
wimax
The document presents information on WiMAX (Worldwide Interoperability for Microwave Access). It defines WiMAX as a wireless technology that provides broadband connections over long distances, in accordance with the IEEE 802.16 standard. WiMAX uses towers to broadcast a signal that can cover up to 50 km, allowing users to access the Internet wirelessly. It offers benefits over wired broadband like lower costs and broader coverage for rural areas. While it has advantages over 3G like higher throughput, it also has disadvantages such as higher costs and signal degradation in bad weather.
Wimax technology
This document provides an overview of a technical seminar on WiMAX technology. It discusses the contents which will be covered, including introductions, operating topologies, architecture, methodology, a SWOT analysis comparing 4G and WiMAX, wireless technologies, the WiMAX network architecture, and conclusions. It provides high-level information on key topics that will be discussed, such as the four primary WiMAX network topologies, the classification of wireless technologies, QualNet modeling methodology, strengths and weaknesses of 4G with WiMAX, and major benefits of WiMAX including replacing copper wire networks.
Introduction to WiMAX
Presentation @ MoMo Hyderabad in Decemeber. Discusses about wimax, alternatives to wimax, evolution of wimax.
This needs a In Person Presentation Support.
WiMAX
Visit www.seminarlinks.blogspot.com to Download
WiMAX is a digital wireless data communication system that can deliver high-speed broadband services up to a large distance of 50KMs.The name WiMAX was created by WiMAX forum, the consortium promoting this standard. The term WiMAX is derived from the phrase Worldwide Interoperability for Microwave Access.
Wimax
WIMAX is a wireless technology that provides broadband connectivity over long distances in a variety of ways. It uses towers to transmit high-speed internet access to receivers within a range of up to 50 km. WIMAX has several advantages over existing wireless technologies like WiFi and 3G, such as higher speeds, broader coverage areas, and lower infrastructure costs. While WIMAX adoption is still in early stages, it promises to deliver wireless broadband to more users at lower prices than current options.
WiMAX vs LTE
A brief overview on both the technologies and their impact on the Next Generation Wireless Networks (NGN).
Wimax
WiMAX is a wireless technology that can provide broadband internet access over long distances. It uses various modulation techniques like OFDM to transmit over licensed and unlicensed spectrum between 2-66 GHz. WiMAX has the potential to connect the next 5 billion people by bringing affordable broadband to remote areas. It faces security challenges like impersonation and denial of service attacks but is more secure, faster, and has longer range than WiFi. WiMAX aims to make portable internet access a reality and allow users to always be best connected.
Wimax seminar topic
WiMAX is an emerging broadband wireless technology that provides transmission of data over long distances. It offers high data rates of up to 70 Mbps over a range of 50 km without needing line-of-sight. WiMAX networks use protocols that allow devices to connect to the Internet without cables, making it suitable for extending broadband access to suburban and rural areas. The technology uses radio frequencies between 2 to 11 GHz for transmission and has the potential to deliver multimedia, voice and other IP services to users anywhere within range of the network.
WiMAX II (IEEE 802.16m) as 4G Mobile Candidate
The document discusses WiMAX II (IEEE 802.16m), which is an evolution of the WiMAX standard. It provides an overview of the 802.16m protocol stack and describes the functions of each layer, including radio resource control, mobility management, security management, medium access control, and the physical layer. The 802.16m standard aims to enhance key performance and functionality for 4G networks while maintaining backward compatibility with previous WiMAX standards.
LTE & WiMax- Nokia Siemens
This document provides a comparison of LTE and WiMax technologies. It discusses their network architectures, supported services, mobility capabilities, access technologies, performance metrics like data rates and spectrum efficiency, and limitations. While the technologies have similar performance under comparable conditions, LTE has some advantages like higher data rates, efficiency, and support for full 3GPP mobility and interoperability. The success of each technology will depend on operators' individual situations and strategies.
Wimax
This presentation provides an overview of WiMAX (Worldwide Interoperability for Microwave Access) technology. WiMAX is a wireless communication standard that can provide broadband access over long distances in a flexible, easy to install way. It works through connections between WiMAX towers and receivers. There are fixed and mobile versions, with mobile WiMAX allowing broadband internet from anywhere. WiMAX offers advantages over traditional broadband and WiFi like lower costs and broader coverage. The presentation predicts that within 5 years, WiMAX will be the dominant wireless technology for both fixed and fully mobile broadband networking.
What Is WiMax
This document discusses WiMAX (Worldwide Interoperability for Microwave Access), a wireless technology based on IEEE 802.16 standards that can provide broadband connections over long distances. It defines key terms, describes applications of WiMAX for both fixed and mobile use, how WiMAX systems work, competing technologies, current deployments, benefits compared to other options, and initiatives to bring WiMAX to Pakistan.
WiMAX Basics
Definition:WiMAX is a fourth generation (4G) technology.WiMAX stands for Worldwide Interoperability for Microwave Access.WiMAX is technically also known as “IEEE 802.16”WiMAX is a wireless communications standard designed for creating Metropolitan Area Networks(MANs).A Broadband Wireless Access(BWA) technique offering fast broadband connection.It allows a user, to browse the internet on a laptop without physically connecting it to a router.It involves microwaves for the transfer of data wirelessly.Founded by Ensemble, CrossSpan, Harris & Nokia.
Wimppt
This document discusses WiMAX (Worldwide Interoperability for Microwave Access), a wireless technology that can provide broadband internet access over long distances. It describes WiMAX's ability to connect devices using wireless signals instead of cables. The document outlines WiMAX's history, how it works by transmitting signals between towers and receivers, its applications for broadband internet access, and its advantages of low cost and wide coverage though it has disadvantages like needing line of sight and being power intensive.
Wi Max 2 0 For Operator V1 0
WiMAX 2.0, also known as IEEE 802.16m, provides an evolutionary path for current WiMAX operators to remain competitive. Some key features of WiMAX 2.0 include:
1) Backward compatibility with WiMAX Release 1.0 devices and the ability for WiMAX 2.0 base stations to coexist with and interoperate with legacy WiMAX networks.
2) Support for new frequency bands in both TDD and FDD modes to allow operators to utilize additional spectrum.
3) At least a two-fold increase in average data throughput compared to the current WiMAX Release.
4) Advanced interference management techniques to enable reuse-1 deployments with higher capacity compared
Introduction to WiMAX
The document provides an overview of WiMAX (IEEE 802.16), including what it is, how it works, security aspects, implementation details, comparisons to other technologies like Wi-Fi, convergence with standards like HIPERMAN and WiBro, competing technologies, predictions for the future, implications, and conclusions. WiMAX allows for high-speed wireless connectivity over long ranges for broadband internet access and can replace or supplement existing cellular networks. It is an open standard supported by many industry players but faces competition from technologies already in use like EVDO and HSDPA.
WiMAX QoS classes UGS, rtPS, ertPS, nrtPS, BE QoS types
WiMAX Standard 802.16 mentions following 5 QoS classes:
• Unsolicited Grant Service(UGS)
• Extended Real Time Polling Service(ertPS)
• Real Time Polling Service(rtPS)
• Non Real Time Polling Service(nrtPS)
• Best Effort Service(BE)
Each of these wimax QoS classes has their own parameters such as bandwidth request type, min. throughput requirement as well as delay or jitter constraints.
Himanshu wimax
WiMAX (Worldwide Interoperability for Microwave Access) is a wireless technology that can provide broadband access over long distances. It uses licensed spectrum in the 10-66 GHz range to provide internet access at speeds up to 70 megabits per second to users within a 30 mile radius of a WiMAX base station. WiMAX addresses issues with transmission by using protocols that are independent of the network architecture and focuses on the lowest two layers, the physical and MAC layers.
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WiMAX QoS classes UGS, rtPS, ertPS, nrtPS, BE QoS types
WiMAX QoS classes UGS, rtPS, ertPS, nrtPS, BE QoS types
Similar to seminar report on wimax
Wimax
Wi -max is an extension of Wi-Fi as Wi-max covers many KMs of distances in providing data connectivity.
wimax
Wimax is a wireless technology standard that provides broadband connectivity without direct line-of-sight. It can deliver broadband access to homes and businesses at distances of up to 31 miles, compared to WiFi's 300 feet range. Wimax aims to provide widespread internet access, especially in rural areas that lack wired connections. It has the potential to enable economic growth through better access to education, healthcare, and entertainment. The technology is growing rapidly and may become the dominant mobile standard after 2010.
Dwika Vision
4G wireless technologies are rapidly deploying, with Sprint having chosen WiMAX for its 4G network and launching services in 2008. Other providers like Clearwire and Nextel are also implementing pre-WiMAX and WiMAX networks. Technologies like MIMO and OFDMA are converging 3G and WiMAX towards an IP-based 4G standard, increasing throughput and coverage while reducing costs.
EMERGING BROADBAND WIRELESS TECHNOLOGIES: WIFI AND WIMAX
Now-a-days there is high demand for broadband mobile services. Traditional high-speed
broadband solutions depend on wired technologies namely digital subscriber line (DSL). Wifi
and Wimax are useful in providing any type of connectivity such as the fixed or portable or
nomadic connectivity without the requirement of LoS (Line of Sight) of the base station. Mobile
Broadband Wireless Network (MBWN) is a flexible and economical solution for remote areas
where wired technology and also terminal mobility cannot be provided. The IEEE Wi-Fi and
Wi-Max/802.16 are the most promising technologies for broadband wireless metropolitan area networks (WMANs) and these are capable of providing high throughput even on long distances with varied QoS. These technologies ensure a wireless network that enables high speed Internet access to residential, small and medium business customers, as well as Internet access for WiFi hot spots and cellular base stations. These offer support to both point-to-multipoint (P2MP) and multipoint-to-multipoint (mesh) nodes and offers high speed data (voice, video) service to the customers. In this paper, we study the issues related to, benefits and deployment of these technologies.
Wimax
The document discusses WiMAX (Worldwide Interoperability for Microwave Access), a wireless technology standard that provides broadband connectivity. Key points:
- WiMAX allows for delivery of last mile broadband as an alternative to wired options like cable and DSL over a range of up to 10km. It provides speeds of up to 40Mbps for fixed/portable use and 15Mbps for mobile use.
- The 802.16 standard and its variants define WiMAX specifications for different applications - 802.16a for line-of-sight, 802.16e for mobility. The WiMAX Forum promotes compatibility between vendor equipment.
- While WiMAX can provide high speeds over long ranges
Fundamentals in Wimax
WiMAX (worldwide interoperability for microwave access) or (broadband wireless access to everyone ) is the commercial name for products based on the IEEE 802.16 standard as trade marked by the WiMAX Forum, an association of companies representing the ecosystem of the WiMAX technology.
Riaz Rahman (072878056)
This document proposes a WiMAX VoIP solution for Bangladesh that would provide cost-effective communication services. It recommends establishing multi-purpose service centers in divisional headquarters that are connected via a fiber optic backbone and WiMAX networks. The centers would offer services like telemedicine, education, training, and support various industries. Implementing this infrastructure could promote rural development and economic opportunities in Bangladesh through affordable broadband and voice services.
Wi max
This document provides an overview of a technical seminar on WiMAX technology. It discusses the contents which will be covered, including introductions, operating topologies, architecture, methodology, a SWOT analysis comparing 4G and WiMAX, wireless technologies, the WiMAX network architecture, and conclusions. It provides high-level information on key topics that will be discussed, such as the four primary WiMAX network topologies, the classification of wireless technologies, QualNet modeling methodology, benefits of WiMAX including replacing copper wire networks, and references that will be cited.
Wi max technology
This document provides an overview of a technical seminar on WiMAX technology. It discusses the contents which will be covered, including introductions, operating topologies, architecture, methodology, a SWOT analysis comparing 4G and WiMAX, wireless technologies, the WiMAX network architecture, and conclusions. It provides high-level information on key topics that will be discussed, such as the four primary WiMAX network topologies, the classification of wireless technologies, QualNet modeling methodology, benefits of WiMAX including replacing copper wire networks, and references that will be cited.
Brief introduction of wi max technology
WiMAX is a wireless broadband technology that provides high-speed internet access over long distances. It uses the IEEE 802.16 standard and operates in both licensed and unlicensed spectrum. The document discusses the evolution of WiMAX standards to support both fixed and mobile access. It also describes different types of wireless networks including WLANs, WMANs, and WWANs, and explains how WiMAX can be used for various applications such as broadband internet access, connecting Wi-Fi hotspots, and providing mobile data services.
WiMAX BASED APPROACH TO ENHANCE LOCALIZED HUMAN SOCIAL NETWORK.
WiMAX
802.16e is the mobile extension from 802.16
Modification in PHY from OFDM to Scalable OFDMA
Modification in MAC for security, handoff, roaming, & resource management
Ch6
The chapter discusses the development of mobile computing including the need for portable devices, wireless communication, and use in various environments. Key factors driving mobile computing are discussed such as the Intel Centrino chip in 2003 enabling wireless connectivity, the introduction of 3G and 4G networks, and the rise of mobile commerce. The chapter also covers basic terminology, attributes, infrastructure including wireless networks, and applications of mobile computing.
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WiMAX
1. WiMAX is a wireless technology that provides broadband internet access over wide areas. It uses radio waves to transmit data and can provide connectivity up to 50km from transmission towers.
2. WiMAX offers high-speed data transmission rates and supports both fixed and mobile internet access. It is designed to be interoperable on a global scale.
3. Some applications of WiMAX include providing home/residential broadband access, connectivity for small/medium businesses, and as backhaul networks to connect cellular base stations to the core network.
77555045 wimax-abstract
Wimax is a wireless technology that provides broadband connectivity over long distances without requiring line of sight. It uses the IEEE 802.16 standard and can deliver internet access to homes and businesses in remote areas at speeds comparable to cable and DSL. Wimax has the potential to increase connectivity for rural areas and provide broadband access to locations more than 30 miles from the base station, offering mobility and speeds much faster than existing wireless technologies. It offers fixed and mobile broadband access to help drive economic growth through improved access to education, healthcare and entertainment.
Mobile WiMAX
The document discusses the growing demand for wireless internet access and how WiMAX is well-suited to meet this demand. It outlines how WiMAX provides broadband connectivity anywhere, uses an all-IP architecture for efficiency, and is seeing wide deployment by operators around the world. Over 250 trials and deployments in 65 countries demonstrate the momentum behind WiMAX as a leading solution for mobile internet access.
Head to Head - The Battle between the Bellheads and the Netheads for control ...
Part 1: When the infrastructure is ubiquitous and operates as a utility, like water or electricity, we will move beyond the current paradigm of cyberspace. What happens when information and knowledge are accessible to all who choose to look? What happens when eBusiness, eHealth and eLiteracy have become an invisible normality? What happens after the Ubiquitous Internet has irreparably changed our very understanding of the world we live in? A new Digital Value Chain will be required when the Netheads and Bellheads pit their business models against each other in an epic battle where the only winner is bound to be the consumer. Who will find the right balance between the investments required to support the infrastructure and the money that inevitably will flow to edge of the network where the intelligence and power resides?
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The document discusses trends in the telecommunications industry, including:
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53415140 a-paper-presentation-on-wimax
The document discusses WiMax (Worldwide Interoperability for Microwave Access), which is a wireless technology that provides broadband connections over long distances at speeds up to 70 megabits per second without needing line-of-sight access to a base station. It is based on IEEE 802.16 standards and is expected to replace or complement existing wireless technologies like WiFi and Bluetooth by offering higher speeds and longer ranges. The document covers WiMax's technical details, working mechanisms, applications and its potential to enable widespread wireless broadband access.
IJSRED-V2I3P59
This document discusses issues and challenges with delivering Voice over IP (VoIP) traffic over WiMAX networks. It begins with an overview of WiMAX technology and architecture, as well as VoIP architecture and codecs. Key issues discussed include limited bandwidth, need for security to encrypt voice transmissions, and link failures causing delays. The document aims to evaluate voice quality over wireless networks and improve delivery of VoIP traffic over WiMAX by addressing factors such as delay, jitter, throughput, and other quality parameters.
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EMERGING BROADBAND WIRELESS TECHNOLOGIES: WIFI AND WIMAX
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seminar report on wimax
- 1. WiMAX Connecting The Next 5 Billion People Presented By
- 6. Markets Targeted By WiMAX
- 8. Spectrum
- 10. LOS Fresnel Zone
- 11. NLOS Propagation
- 14. BPSK & QPSK
- 15. Adaptive Modulation and Coding
- 16. Figure 1: FDM with Nine Sub-carriers Using Filters Figure 2: OFDM with Nine Sub-carriers OFDM
- 17. OFDM Figure 3: OFDM with 256 Sub-carriers