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Wireless Wifi Wimax

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Wireless Wifi Wimax

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Wireless Wifi Wimax

What Can Wimax Technology Offer?

WiMAX technology offers wireless data in a related form as compare to WiFi but its level and speed allow to build hybrid and wireless networks, of any size, anywhere. It is formed to encourage conformance and interoperability of Wireless Metropolitan Area Network. WiMAX offers a consistent technology according to its standard. WiMAX technology open could let product manufacturers make revenues of scale via producing number of WiMAX products & components to single IEEE 802.16 standard, this also allow component manufacturers buy low-cost, standards compliant components from rival component providers. This would definitely help existing wireless service providers.

WiMAX technology will offer high data speed network connections and in this manner serve as a backhaul for WiFi LAN (WLAN) hot spots, where people on the move can access carriers' WiFi services on mobile technology basis, because this technology allows interoperability among different systems. And service providers lacking a mobile network can use a WiMAX technology network at comparatively low price. WiMAX technology possibly will offer a much cheaper, easier to build network infrastructure other than the physical medium of WiFi backhauls that cable, T1 or DSL systems presently offer.

Because WiMAX is based on IEEE 802.16 Standard and HiperMAN, the IEEE and ETSI have each become accustomed it's standard to take in many of the other's essential characteristics. IEEE 802.16 standard partitioned its MAC (Medium Access Control) layer into sub-layers that hold some different transport equipments and technologies, together with Ethernet, IPv4, IPv6 and other asynchronous transfer mode. This allows traders to use WiMAX technology and no matter what technology they support for transmission. WiMAX technology has a wide communication range up to 50 kilometers because principles allows WiMAX network to transfer data at higher rates and because of this move towards use of directional antennas that generates persistent radio signals. WiMAX base station provide service to only 500 users at a time not more than that just because to they are sharing bandwidthand this factor may cause lower date rates among. Technically every single station will possibly provide communication an area inside a 10 miles radius. To compare WiFi with WiMAX technology the last has a range of few thousand feet. while WiFi  has a range of only a few hundred feet.

Moreover  WiMAX network broadcasts data communication over several broad signal frequency ranges. And this exceptional capacity to work in several ranges allows to communicate above the frequencies that will evade  interference with other wireless network applications. Also the  flexibility of this system's communication allows providers to employ different frequencies that depend on the speed and range needed for a particular data communication. Amplifying data capacity and bandwidth via dividing broad capacity channels to many narrowband channels, the WiMAX technology attains  higher data transmission rates in part by OFDM (Orthogonal Frequency Division Multiplexing).Every channel uses different frequencies that can transmit different pieces of a message at the same time.

One of the important advantages of data transmission is that the channels do not overlap, in spite of the fact that the spaces between channels are extremely close. The primary IEEE 802.16 standard uses the 10 to 66 GHz frequency range And it is very suitable because this frequency range shrinks the multi path distortion that arises when transmitting signals that do not follow the line of sight echoed items and finish off out of sink, thus jumbling the inbound communication and reducing bandwidth.

In theory WiMAX network can offer single channel data rates up to 75 Mbits/s equally on the downlink and uplink. Service providers can use several 802.16 channels for single broadcast to offer bandwidths of up to 350 Mb per second.

Third generation mobile network technologies will support around 115 Kbps. The accepted IEEE 802.11b WiFi WLAN technology data rate are limited to 11Mbps, on the other hand newer 802.11a and 802.11g provide up to 54Mbps in favorable conditions but practically all of the them transmit at lesser speed.

In the meantime WiMAX network is extremely scalable as it is simple to include broadcast channels to offer extra bandwidth as required. And as far as security is concerned in WiMAX technology it uses PKI (Public Key Infrastructure) authentication, which transmit via digital certificates by identifying parties over trusted authorities. The IEEE 802.16 system encrypts data by using 56 bit DES (Data Encryption Standard) keys.

The wireless services are supplied at higher frequencies as the line of sight constraints required the setting up of many antennas to cover up the equivalent area and this increases to a great extent the expenditure of setting up wireless technology. The available frequencies for new wireless standards such as IEEE 802.16 are higher as some of the other wireless technologies are more sought-after to diminish ranges that have been approved for other use.

The WiMAX technology is always supported by the WiMAX Forum which comprises a group of commercial leaders such as AT&T, Cisco, Samsung, Intel, and some other giants. This forum involves many working groups that highly focused on regulatory, marketing, technological characteristics. Moreover the certification working group intends to certify interoperability among WiMAX products from manufacturers internationally

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About the Author

MLL Telecom is the biggest broadband provider of hybrid or network by wireless, or wireless services. Our offer is flexible, of the highest quality and suits your budgets. We have authoritative partners: BT, Affiniti, Telewest; public sector organizations including East Sussex County Council, North Yorkshire County Council, Devon & Somerset Fire and Rescue Service etc.


WiMAX


WiMAX


$69.95


Introduces WiMAX, a standards-based technology, that provides high-throughput broadband connections over long distances. This book presents the unique features of WiMax technology and evaluates the revolutionary approach of WiMax over WiFi and other contemporary technologies. It also discusses the implementation of the IEEE 802.16 standard.

WiMAX Networks


WiMAX Networks


$279


Ignited by the mobile phone's huge success at the end of last century, the demand for wireless services is constantly growing. To face this demand, wireless systems have been and are deployed at a large scale. These include mobility-oriented technologies such as GPRS, CDMA or UMTS, and Local Area Network-oriented technologies such as WiFi. "WiMAX Networks" covers aspects of WiMAX quality of service (QoS), security, mobility, radio resource management, multiple input multiple output antenna, planning, cost/revenue optimization, physical layer, medium access control (MAC) layer, network layer, and so on.

Wimax


Wimax


$81.25


WiMAX. IEEE 802. 16, WiMAX MIMO, Comparison of wireless data standards.List of deployed WiMAX networks, Wireless broadband, Hotspot (Wi Fi), Digital subscriber line, Last mile Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 84 Publication Date: 2009/10/26 Language: English Dimensions: 5.98 x 9.01 x 0.20 inches

Analysis of Fixed and Mobile Wimax


Analysis of Fixed and Mobile Wimax


$113.11


WiMAX which represents World Interoperability for Microwave Access is a major part of broadband wireless network having IEEE 802.16 standard provides innovative fixed as well as mobile platform for broadband internet access anywhere in anytime. This thesis provides the detail about the two main applications of WiMAX which are fixed WiMAX and Mobile WiMAX. Fixed WiMAX 802.16 delivers point to multipoint broadband wireless access to our homes and offices. Whereas Mobile WiMAX gives full mobility of cellular networks at higher broadband speeds than other broadband networks like WiFi. Both applications of WiMAX are designed in a proper network planning which is helpful to offer better throughput broadband wireless connectivity at a much lower cost. Author: Siddiqui, Tauseef Binding Type: Paperback Number of Pages: 136 Publication Date: 2010/06/06 Language: English Dimensions: 5.98 x 9.01 x 0.31 inches

MIMO-OFDM for LTE, WiFi and WiMAX


MIMO-OFDM for LTE, WiFi and WiMAX


$185


MIMO-OFDM for LTE, WIFI and WIMAX: Coherent versus Non-Coherent and Cooperative Turbo-Transceivers provides an up-to-date portrayal of wireless transmission based on OFDM techniques augmented with Space-Time Block Codes (STBCs) and Spatial-Division Multiple Access (SDMA). The volume also offers an in-depth treatment of cutting-edge Cooperative Communications. This monograph collates the latest techniques in a number of specific design areas of turbo-detected MIMO-OFDM wireless systems. As a result a wide range of topical subjects are examined, including channel coding and multiuser detection (MUD), with a special emphasis on optimum maximum-likelihood (ML) MUDs, reduced-complexity genetic algorithm aided near-ML MUDs and sphere detection. The benefits of spreading codes as well as joint iterative channel and data estimation are only a few of the radical new features of the book. Also considered are the benefits of turbo and LDPC channel coding, the entire suite of known joint coding and modulation schemes, space-time coding as well as SDM/SDMA MIMOs within the context of various application examples. The book systematically converts the lessons of Shannon's information theory into design principles applicable to practical wireless systems; the depth of discussions increases towards the end of the book. Discusses many state-of-the-art topics important to today's wireless communications engineers. Includes numerous complete system design examples for the industrial practitioner. Offers a detailed portrayal of sphere detection. Based on over twenty years of research into OFDM in the context of various applications, subsequently presenting comprehensive bibliographies.

Lenovo Intel Wimax/wifi Link 5350 43Y6533


Lenovo Intel Wimax/wifi Link 5350 43Y6533


$74.12


Lenovo Intel Wimax/wifi Link 5350 43Y6533

Mobile WiMAX


Mobile WiMAX


$140


The first book to cover one of the hottest subjects in wireless communications today, Mobile WiMAX Summarises the fundamental theory and practice of Mobile WiMAX Presents topics at introductory level for readers interested in understanding communication and networking knowledge for Mobile WiMAX, whilst addressing advanced / specialised subjects related to Mobile WiMAX Contains the latest advances and research from the field and shares knowledge from the key players working in this area Chapter 1 updates Mobile WiMAX status and standards; Chapters 2-6 are related to physical layer transmission; Chapters 7-12 deal with MAC and networking issues; Chapters 13-14 discuss relay networks for mobile WiMAX; and Chapters 15-19 present multimedia networking for mobile WiMAX and application scenarios. Ideal for Mobile WiMAX R&D/practicing engineers (systems, applications and services, field, terminal, IC design, integration), business development professionals, academic researchers. Graduate students conducting research and graduate students studying in mobile WiMAX and next generation wireless communications. Undergraduate students studying mobile WiMAX related subjects

WiMAX Applications


WiMAX Applications


$79.95


As the demand for broadband services continues to grow worldwide, traditional solutions, such as digital cable and fiber optics, are often difficult and expensive to implement, especially in rural and remote areas. The emerging WiMAX system satisfies the growing need for high data-rate applications such as voiceover IP, video conferencing, interactive gaming, and multimedia streaming. WiMAX deployments not only serve residential and enterprise users but can also be deployed as a backhaul for Wi-Fi hotspots or 3G cellular towers. By providing affordable wireless broadband access, the technology of WiMAX will revolutionize broadband communications in the developed world and bridge the digital divide in developing countries. Part of the WiMAX Handbook, this volume focuses on the applications of WiMAX. The book describes the logical architecture of IEEE 802.16, introduces some of the main IEEE 802.16 family standards, compares WiMAX to Wi-Fi, and studies the feasibility of supporting VoIP over WiMAX. It also looks at the residential use of WiMAX as well as the strategies of using WiMAX in remote locales and rural communities. In addition, the book examines the backhaul requirements of a large fixed wireless network and the problem of centralized routing and scheduling for IEEE 802.16 mesh networks. With the revolutionary technology of WiMAX, the lives of many will undoubtedly improve, thereby leading to greater economic empowerment.

The Business of WiMAX


The Business of WiMAX


$90


WiMAX holds great promise for the future of broadband communications. Companies and consumers are increasingly dependent on broadband and are committed to taking broadband to the next level with mobile broadband or 802.16e, the WiMAX standard. The Business of WiMAX offers a complete guide to this exciting technology, addressing the critical issues surrounding WiMAX and its future.  The author discusses the need for the technology, before explaining its architecture and deployment, modulation technology, wireless standards, spectrum issues, and network topology.  Applications and the market for these are covered in-depth, and the exciting future of WiMAX is discussed. The book provides strategy and recommendations for achieving success in such a dynamic scenario. The Business of WiMAX: Offers a uniquely balanced business and technology perspective on the critical issues surrounding WiMAX and its place in the evolving broadband wireless industry. Explains the need, use, market, trends, business models, and the future road map for WiMAX technology. Provides strategy and recommendations to a variety of different players, including service providers, equipment manufacturers and chip makers. Supports practical insights with numerous examples and real-world case studies. This text is essential reading for professionals, strategists, leaders, researchers, analysts, investors and others in the IT and Telecoms domain. Managers planning to deploy wireless networked computing devices in their organisations, ICT consultants, business strategists, systems engineers and architects, and final year undergraduate and postgraduate students and academics will also find this an invaluable guide to WiMax.

Fundamentals of WiMAX


Fundamentals of WiMAX


$63.99


This is the eBook version of the printed book. Praise for Fundamentals of WiMAX "This book is one of the most comprehensive books I have reviewed ... it is a must-read for engineers and students planning to remain current or who plan to pursue a career in telecommunications. I have reviewed other publications on WiMAX and have been disappointed. This book is refreshing in that it is clear that the authors have the in-depth technical knowledge and communications skills to deliver a logically laid out publication that has substance to it." –Ron Resnick, President, WiMAX Forum "This is the first book with a great introductory treatment of WiMAX technology. It should be essential reading for all engineers involved in WiMAX. The high-level overview is very useful for those with non-technical background. The introductory sections for OFDM and MIMO technologies are very useful for those with implementation background and some knowledge of communication theory. The chapters covering physical and MAC layers are at the appropriate level of detail. In short, I recommend this book to systems engineers and designers at different layers of the protocol, deployment engineers, and even students who are interested in practical applications of communication theory." –Siavash M. Alamouti, Chief Technology Officer, Mobility Group, Intel "This is a very well-written, easy-to-follow, and comprehensive treatment of WiMAX. It should be of great interest." –Dr. Reinaldo Valenzuela, Director of Wireless Research, Bell Labs " Fundamentals of WiMAX is a comprehensive guide to WiMAX from both industry and academic viewpoints, which is an unusual accomplishment. I recommend it to anyone who is curious about this exciting new standard." –Dr. Teresa Meng, Professor, Stanford University, Founder and Director, Atheros Communications "Andrews, Ghosh, and Muhamed have provided a clear, concise, and well-written text on 802.16e/WiMAX. The book provides both the breadth and depth to make sense of the highly complicated 802.16e standard. I would recommend this book to both development engineers and technical managers who want an understating of WiMAX and insight into 4G modems in general." –Paul Struhsaker, VP of Engineering, Chipset platforms, Motorola Mobile Device Business Unit, former vice chair of IEEE 802.16 working group " Fundamentals of WiMAX is written in an easy-to-understand tutorial fashion. The chapter on multiple antenna techniques is a very clear summary of this important technology and nicely organizes the vast number of different proposed techniques into a simple-to-understand framework." –Dr. Ender Ayanoglu, Professor, University of California, Irvine, Editor-in-Chief, IEEE Transactions on Communications " Fundamentals of WiMAX is a comprehensive examination of the 802.16/WiMAX standard and discusses how to design, develop, and deploy equip

Lenovo Wireless LAN/WiMAX/WWAN Antenna Assembly 15W 44C9915


Lenovo Wireless LAN/WiMAX/WWAN Antenna Assembly 15W 44C9915


$29.66


Lenovo Wireless LAN/WiMAX/WWAN Antenna Assembly 15W 44C9915

Lenovo Wireless LAN/WiMAX/WAN Antenna Assembly 14W 44C9914


Lenovo Wireless LAN/WiMAX/WAN Antenna Assembly 14W 44C9914


$34.22


Lenovo Wireless LAN/WiMAX/WAN Antenna Assembly 14W 44C9914

WiMAX Standards and Security


WiMAX Standards and Security


$79.95


As the demand for broadband services continues to grow worldwide, traditional solutions, such as digital cable and fiber optics, are often difficult and expensive to implement, especially in rural and remote areas. The emerging WiMAX system satisfies the growing need for high data-rate applications such as voiceover IP, video conferencing, interactive gaming, and multimedia streaming. WiMAX deployments not only serve residential and enterprise users but can also be deployed as a backhaul for Wi-Fi hotspots or 3G cellular towers. By providing affordable wireless broadband access, the technology of WiMAX will revolutionize broadband communications in the developed world and bridge the digital divide in developing countries. Part of the WiMAX Handbook, this volume focuses on the standards and security issues of WiMAX. The book examines standardized versus proprietary solutions for wireless broadband access, reviews the core medium access control protocol of WiMAX systems, and presents carriers' perspectives on wireless services. It also discusses the main mobility functions of the IEEE 802.16e standard, describes how to speed up WiMAX handover procedures, presents the 802.16 mesh protocol, and surveys the testing and certification processes used for WiMAX products. In addition, the book reviews the security features of both IEEE 802.16 and WiMAX. With the revolutionary technology of WiMAX, the lives of many will undoubtedly improve, thereby leading to greater economic empowerment.

2.4GHz 13dBi Non-directional Antenna for Wifi/WLAN/WiMax/Wireless Network (78cm/N Female)


2.4GHz 13dBi Non-directional Antenna for Wifi/WLAN/WiMax/Wireless Network (78cm/N Female)


$39.2


- Model: JW-O-2400-12-9- High quality wireless network booster antenna- Gain: 13dBi- Frequency: 2.4GHz- Bandwidth: 83MHz- Interface: N female- Vertical lobe width: 9- Input impedance: 100 Ohms- Vertical Polarization- Max power: 100W- SWR =1.5- Pressive Strength against Wind: 60m/sSpecificationsDimensions: 30.71 in x 0.98 in x 0.98 inWeight: 12.7 oz

5.8GHz 13dBi Non-directional Antenna for Wifi/WLAN/WiMax/Wireless Network (White/60cm/N Female)


5.8GHz 13dBi Non-directional Antenna for Wifi/WLAN/WiMax/Wireless Network (White/60cm/N Female)


$39.6


- Model: JW-O-5800-12-7- High quality wireless network booster antenna- Gain: 13dBi- Frequency: 2.4GHz- Bandwidth: 83MHz- Interface: N female- Vertical lobe width: 7- Input impedance: 50 Ohms- Vertical Polarization- Max power: 100W- SWR =1.5- Pressive Strength against Wind: 60m/sSpecificationsDimensions: 23.23 in x 0.98 in x 0.98 inWeight: 10.58 oz

Current Technology Developments of WiMax Systems


Current Technology Developments of WiMax Systems


$159


IEEE 802.16X standards have not only specified WiMax wireless access networks but also designed a framework of wireless metropolitan area networks with mobility functionality. This book addresses various developments of WiMax technologies for both academia and industry. It is suitable for further research and development on WiMax systems.

WiMAX Security and Quality of Service


WiMAX Security and Quality of Service


$120


WiMAX is the first standard technology to deliver true broadband mobility at speeds that enable powerful multimedia applications such as Voice over Internet Protocol (VoIP), online gaming, mobile TV, and personalized infotainment. WiMAX Security and Quality of Service , focuses on the interdisciplinary subject of advanced Security and Quality of Service (QoS) in WiMAX wireless telecommunication systems including its models, standards, implementations, and applications. Split into 4 parts, Part A of the book is an end-to-end overview of the WiMAX architecture, protocol, and system requirements. Security is an essential element in the wireless world and Part B is fully dedicated to this topic. Part C provides an in depth analysis of QoS, including mobility management in WiMAX. Finally, Part D introduces the reader to advanced and future topics. One of the first texts to cover security, QoS and deployments of WiMAX in the same book. Introduces the primary concepts of the interdisciplinary nature of WiMAX security and QoS, and also includes discussion of hot topics in the field. Written for engineers and researchers, answering practical questions from industry and the experimental field in academia. Explains how WiMAX applications’ security and QoS are interconnected and interworked among the cross layers.

Mobile Broadcasting with WiMAX


Mobile Broadcasting with WiMAX


$72.95


Written exclusively from broadcasters perspective, Mobile Broadcasting with WiMAX will help you move ahead in the use of WiMAX technologies. Whether you are an engineer, content provider, manager, or operator and planning such services, this book helps you understand the dimensions of this new medium and integration of communication, broadcasting and Multimedia technologies. The book oulines migrating to a new generation of broadcasting which integrates the Mobile, Wireless and Fixed network domains, then gives you a complete picture on what is happening in the field. The book is divided into five parts as follows: PART I Gives an introduction to Broadband Wireless Technologies and Mobile WiMAX. Wi-Fi including 802.11a,b,n and g, WiMAX technologies with focus on Mobile WiMAX 802.16e, and provides a global overview of deployment of Wireless broadband networks. PART-II is about Mobile Multimedia broadcasting and Mobile TV technologies, based on both cellular and broadband wireless. PART III covers Resources for Mobile multimedia broadcasting and comprises of four structured chapters on Spectrum for WiMAX networks, WiMAX terrestrial broadcasting networks, client devices for WiMAX and an update of on chipsets developments. Part IV is devoted to the Network Architectures and the integration of WiMAX with other networks, both fixed and mobile. Part V deals with Software architectures and Applications which help the process of mobile multimedia broadcasting. Case studies of prominent networks are given with country specific examples. *Covers mobile broadcasting using a WiMAX network *Case studies outine successful WiMAX network implementations *Learn how to integrate an exsisting network with WiMAX

WiMAX : A Wireless Technology Revolution


WiMAX : A Wireless Technology Revolution


$81.85


No Synopsis Available

Wimax : Taking Wireless to the Max


Wimax : Taking Wireless to the Max


$92.58


No Synopsis Available

Wifi, Wimax and Cellular Multihop Networks


Wifi, Wimax and Cellular Multihop Networks


$121.88


No Synopsis Available

WiMAX Handbook


WiMAX Handbook


$65


Wi-MAX is a big deal because it’s cheaper, smaller, simpler and easier to use than any existing broadband option (DSL, cable, fiber, 3G wireless) – it also bypasses the existing wired infrastructure and legacy service providers (i.e. the phone and cable companies). This book provides a basic technical introduction to the IEEE standard, allowing engineers, technologists, and decision-makers to ascertain how this hugely disruptive technology is going to affect their businesses.

4506BG Travel Router with Wireless-N - wireless router - 802.11b/g/n  WiMAX - desktop


4506BG Travel Router with Wireless-N - wireless router - 802.11b/g/n WiMAX - desktop


$73.99


Zoom 4506BG Travel Router with Wireless-N - Wireless router - 802.11b/g/n WiMAX - desktop

Intel Wireless Advanced-N + Wimax 6250 802.11a/b/g/n PCI Mini Wireless Network Card MW04C


Intel Wireless Advanced-N + Wimax 6250 802.11a/b/g/n PCI Mini Wireless Network Card MW04C


$57.76


Intel Wireless Advanced-N + Wimax 6250 802.11a/b/g/n PCI Mini Wireless Network Card MW04C

WI-Fi, Bluetooth, Zigbee and Wimax


WI-Fi, Bluetooth, Zigbee and Wimax


$139


Provides a description of the wireless technologies including Wi-Fi, bluetooth, ZigBee and WiMAX, which are considered to be important topics in the telecommunication industry. This book includes chapters on practical aspects.

LTE, LTE-Advanced and WiMAX


LTE, LTE-Advanced and WiMAX


$105


A concise introduction to IMT-Advanced Systems, including LTE-Advanced and WiMAX There exists a strong demand for fully extending emerging Internet services, including collaborative applications and social networking, to the mobile and wireless domain. Delivering such services can be possible only through realizing broadband in the wireless. Two candidate technologies are currently competing in fulfilling the requirements for wireless broadband networks, WiMAX and LTE. At the moment, LTE and its future evolution LTE-Advanced are already gaining ground in terms of vendor and operator support. Whilst both technologies share certain attributes (utilizing Orthogonal Frequency Division Multiple Access (OFDMA) in downlink, accommodating smart antennas and full support for IP-switching, for example), they differ in others (including uplink technology, scheduling, frame structure and mobility support). Beyond technological merits, factors such as deployment readiness, ecosystem maturity and migration feasibility come to light when comparing the aptitude of the two technologies. LTE, LTE-Advanced and WiMAX: Towards IMT-Advanced Networks provides a concise, no-nonsense introduction to the two technologies, covering both interface and networking considerations. More critically, the book gives a multi-faceted comparison, carefully analyzing and distinguishing the characteristics of each technology and spanning both technical and economic merits. A “big picture” understanding of the market strategies and forecasts is also offered. Discusses and critically evaluates LTE, LTE-Advanced and WiMAX (Legacy and Advanced) Gives an overview of the principles and advances of each enabling technology Offers a feature-by-feature comparison between the candidate technologies Includes information which appeals to both industry practitioners and academics Provides an up-to-date report on market and industry status

EMSticka„¢ 3G Antenna for Franklin Wireless R536 WiMax Router


EMSticka„¢ 3G Antenna for Franklin Wireless R536 WiMax Router


$49.99


A top quality antenna that will reduce your exposure to harmful electromagnetic radiations if used properly with your Franklin Wireless R536 WiMax Router (instructions included), while increasing your Franklin Wireless R536 WiMax Router performance and decreasing dropped sessions. This antenna employs powerful 3MTM adhesive if permanent installation is desired, and includes the direct-connection adapter for the Franklin Wireless R536 WiMax Router . It comes with about eight feet of cable. Antenna can be attached to the back of the laptop display, on a car or home window, etc. The adapter is easily replaceable so that if you change your device you can simply buy the new connection.

On Channel Estimation for Mobile Wimax


On Channel Estimation for Mobile Wimax


$109.93


In mobile communication channels information symbols are transmitted through a communication channel that is prone to fading and multipath propagation. At the receiver, the effect of multipath propagation is reduced by a process called channel equalization. Channel equalization relies on an accurate estimate of the channel state information (CSI). This estimate is obtained using a channel estimation algorithm. Mobile WiMAX is a recently released technology that makes use of an orthogonal frequency division multiplexing (OFDM) based physical layer to transmit information over a wireless communication channel. In this book, frequency and time domain channel estimation methods typically used in classical OFDM systems, using block and comb type pilot insertion schemes, were analyzed and adopted for mobile WiMAX. Least squares (LS) and linear minimum mean square error (LMMSE) channel estimation methods were considered in the case of block type pilot insertion. In the case of comb type pilot insertion, piecewise constant, linear, spline cubic as well as discrete Wiener interpolation methods were considered. Author: Kleynhans, Waldo Binding Type: Paperback Number of Pages: 84 Publication Date: 2009/07/01 Language: English Dimensions: 9.00 x 6.00 x 0.20 inches

WiMAX Technologies Performance Analysis and QoS


WiMAX Technologies Performance Analysis and QoS


$79.95


As the demand for broadband services continues to grow worldwide, traditional solutions, such as digital cable and fiber optics, are often difficult and expensive to implement, especially in rural and remote areas. The emerging WiMAX system satisfies the growing need for high data-rate applications such as voiceover IP, video conferencing, interactive gaming, and multimedia streaming. WiMAX deployments not only serve residential and enterprise users but can also be deployed as a backhaul for Wi-Fi hotspots or 3G cellular towers. By providing affordable wireless broadband access, the technology of WiMAX will revolutionize broadband communications in the developed world and bridge the digital divide in developing countries. Part of the WiMAX Handbook, this volume focuses on the technologies behind WiMAX, its performance capabilities, and its control mechanisms. The book introduces programmable baseband processors suited for WiMAX systems, describes an innovative methodology for the design of multi-band WiMAX antennas, addresses space-time block codes, and reviews space-frequency/space-time-frequency code design criteria. It also proposes a combined call admission control and scheduling scheme, focuses on the performance analysis of the IEEE 802.16 mesh mode, and analyzes the performance of both single-input-single-output and space-time-block-coded OFDM systems in mobile environments. The final section establishes a framework of an ideal reservation period controller, examines the ecosystem in which scheduling for IEEE 802.16e systems must be performed, and presents a fuzzy logic controller for admission control. With the revolutionary technology of WiMAX, the lives of many willundoubtedly improve, thereby leading to greater economic empowerment.

Performance Analysis of the Wimax Tdd Mode


Performance Analysis of the Wimax Tdd Mode


$96.59


The enormous growth of demand for higher bandwidth on the wireless sector rises continuously while established cell based technologies reach their capacity limits. The multimedia abilities of mobile computers or other internet compliant devices will rise in the near future and so the underlying technology has to meet the coming demands. However, which technique will succeed in providing wide range and high throughput concurrently for end users at the same time? The 802.16 standard also known as WiMAX has the potential of representing the next generation of wireless networks. On the one hand WiMAX can be beneficial in crowded geographical areas and on the other hand in rural areas where no wired infrastructure exists. Thereby a tradeoff between high throughput rates and high reachability can be guaranteed. The advantages of the Time Division Duplex mode of WiMAX is analysed and discussed in detail, after a basic technical overview of the WiMAX standard is presented by the author. Furthermore, different bandwidth reservation mechanisms conclude the analysis. Realistic all day scenarios of File Transfer, VoiceoverIP and email traffic patterns complete this work. Author: Marsico, Daniel Binding Type: Paperback Number of Pages: 100 Publication Date: 2008/05/01 Language: English Dimensions: 9.00 x 6.00 x 0.21 inches

Broadband Wireless Access & Local Networks


Broadband Wireless Access & Local Networks


$159


This book provides you with a thorough introduction to wireless access and local networks, covers broadband mobile wireless access systems, and details mobile and broadband wireless local area networks. This forward-looking reference focuses on cutting-edge mobile WiMax, WiFi, and WiBro technologies, including in-depth design and implementation guidance.

Wireless Networking


Wireless Networking


$83.95


Over the past decade, the world has witnessed an explosion in the development and deployment of new wireless network technologies. From cellular mobile telephony to the ubiquitous WiFi networks in coffee-shops and airports, to the emerging WiMAX wireless broadband access networks, the menu of wireless access systems has become so comprehensive that wireline access to user devices may soon become a relic of the past. Wireless Networking serves as a one-stop view of cellular, WiFi, and WiMAX networks, as well as the emerging wireless ad hoc and sensor networks. Rather than provide descriptive accounts of these technologies and standards, the book emphasizes conceptual perspectives on the modeling, analysis, design and optimization of such networks. Furthermore, the authors present wireless networking within the unifying framework of resource allocation, using simple abstractions of the underlying physical wireless communication. In short, Wireless Networking is an in-depth, exhaustive, and invaluable asset to anyone working in this rapidly evolving field. *Goes beyond descriptive and qualitative treatments, by presenting the foundations underlying the various wireless networking technologies *Provides abstractions, models and analyses of established and emerging wireless networks, thereby supplying the reader with a conceptual and quantitative treatment, thus ensuring longevity of the learning from this material *Aids comprehension by including over 120 figures, four appendices on the mathematics of the various models, several inline exercises, and extensive problem sets at the end of each chapter

Wireless Wifi IP Camera/ Wifi internet IP Camera/ Wireless Wifi IP Camera+Freeshipping Chinapost


Wireless Wifi IP Camera/ Wifi internet IP Camera/ Wireless Wifi IP Camera+Freeshipping Chinapost


$55.8


Wireless Wifi IP Camera/ Wifi internet IP Camera/ Wireless Wifi IP Camera+Freeshipping Chinapost

Broadband Wireless and Wimax Comprehensive Report


Broadband Wireless and Wimax Comprehensive Report


$130


No Synopsis Available

WiMAX : Technology for Broadband Wireless Access


WiMAX : Technology for Broadband Wireless Access


$117


No Synopsis Available

Bountiful WiFi / Bountiful WiFi - BRWG500 Wireless Router / BRWG500


Bountiful WiFi / Bountiful WiFi - BRWG500 Wireless Router / BRWG500


$164.15


Bountiful WiFi - Bountiful WiFi - BRWG500 Wireless Router - BRWG500

Written by admin

September 21st, 2011 at 8:25 pm