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This book has been prepared to present state of the art on WiMAX Technology. It has been constructed with the support of many researchers around the world, working on resource allocation, quality of service and WiMAX applications. Such many different works on WiMAX, show the great worldwide importance of WiMAX as a wireless broadband access technology. This book is intended for readers interested in resource allocation and quality of service in wireless environments, which is known to be a complex problem. All chapters include both theoretical and technical information, which provides an in depth review of the most recent advances in the field for engineers and researchers, and other readers interested in WiMAX.
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Presenting the new IEEE 802.16m standard, this is the first book to take a systematic, top-down approach to describing Mobile WiMAX and its next generation, giving detailed algorithmic descriptions together with explanations of the principles behind the operation of individual air-interface protocols and network components. Features: A systematic and detailed, top-down approach to the design of 4G cellular systems based on IEEE 802.16m and 3GPP LTE/LTE-Advanced technologies A systematic approach to understanding IEEE 802.16m radio access network and mobile WiMAX
IEEE 802.16 (Standard) --- Mobile communication systems. --- Wireless communication systems. --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Telecommunication systems --- Vehicles --- Vehicular communication systems --- Radio --- Wireless communication systems --- 802.16 (Standard) --- WiMAX (Standard) --- Worldwide Interoperability for Microwave Access --- Ethernet (Local area network system) --- Wireless metropolitan area networks --- Communication systems --- Standards --- Information Technology --- General and Others
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Ignited by mobile phone 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. The next step in wireless communications is broadband wireless access systems, which provides ubiquitous Internet and large bandwidth. In order to create conditions for an efficient technology, addressing interoperability and competition in this promising market, a standardization effort has been led by the Institute of Electrical and Electronic Engineers (IEEE). The first released standard was the IEEE 802.16, which addresses a wide range of frequencies, and defines the main principles for the series of the IEEE 802.16 fixed wireless and mobile standards published afterwards. The advanced air interface of IEEE 802.16m will enable multi-hop relay architectures, roaming and seamless connectivity across IMT-advanced and IMT-2000 systems through the use of appropriate interworking functions. 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.
Broadband communication systems. --- IEEE 802.16 (Standard). --- Wireless communication systems. --- Wireless LANs -- Standards. --- IEEE 802.16 (Standard) --- Wireless LANs --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Telecommunications --- Electrical Engineering --- Wireless LANs. --- Ethernet (Local area network system) --- Local area networks (Computer networks) --- LANs (Computer networks) --- Local area computer networks --- Wi-Fi LANs --- WiFi LANs --- Wireless local area networks --- WLANs (Wireless LANs) --- 802.16 (Standard) --- WiMAX (Standard) --- Worldwide Interoperability for Microwave Access --- Engineering. --- Electrical engineering. --- Communications Engineering, Networks. --- Computer networks --- Electronic data processing --- Wireless communication systems --- Wireless metropolitan area networks --- Distributed processing --- Standards --- Telecommunication. --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Communication --- Information theory --- Telecommuting --- Electric engineering --- Engineering
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This book describes the most recent techniques for turbo decoder implementation, especially for 4G and beyond 4G applications. The authors reveal techniques for the design of high-throughput decoders for future telecommunication systems, enabling designers to reduce hardware cost and shorten processing time. Coverage includes an explanation of VLSI implementation of the turbo decoder, from basic functional units to advanced parallel architecture. Several state-of-the-art techniques that improve complexity and/or throughput are introduced. The authors discuss both hardware architecture techniques and experimental results, showing the variations in area/throughput/performance with respect to several techniques. This book also illustrates turbo decoders for 3GPP-LTE/LTE-A and IEEE 802.16e/m standards, which provide a low-complexity but high-flexibility circuit structure to support these standards and enables designs that reconfigure block size and parallelism. Case studies include the discussions of both throughput and performance of each mode (block size/parallelism/iteration). This book not only highlights the critical design issues that restrict the speedup of parallel architecture, but it also provides the solutions to overcome these limitations by modifying slightly the turbo codec of modern standards. · Offers readers a complete introduction to practical turbo decoder design; · Describes different design methodologies and explains the trade-offs between performance improvement and overhead; · Explains modern techniques for state-of-the-art designs; · Includes simulation and implementation results with respect to various decoder circuit designs; · Reveals novel approaches to higher operating efficiency of turbo decoders for beyond 4G applications.
Wireless LANs --- IEEE 802.16 (Standard) --- EEE 802.11 (Standard) --- Long-Term Evolution (Telecommunications) --- Design and construction. --- 3GPP Long-Term Evolution (Telecommunications) --- LTE (Telecommunications) --- 802.16 (Standard) --- WiMAX (Standard) --- Worldwide Interoperability for Microwave Access --- Wi-Fi LANs --- WiFi LANs --- Wireless local area networks --- WLANs (Wireless LANs) --- Engineering. --- Microprocessors. --- Electrical engineering. --- Electronic circuits. --- Circuits and Systems. --- Communications Engineering, Networks. --- Processor Architectures. --- Ethernet (Local area network system) --- Wireless metropolitan area networks --- Local area networks (Computer networks) --- Wireless communication systems --- Cell phone systems --- Standards --- Systems engineering. --- Telecommunication. --- Computer science. --- Informatics --- Science --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Engineering systems --- System engineering --- Engineering --- Industrial engineering --- System analysis --- Design and construction --- Minicomputers --- Electric engineering --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Wireless communication systems. --- Signal processing --- Digital techniques.
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This book provides information about wireless systems and WIMAX modeling. The authors provide various techniques for the WiMAX systems such as antenna diversity and Alamouti coding. The performance of these systems is tested using various types of data and the results of systems are presented and discussed. Additional topics include WiMAX simulation using diversity techniques and real time WiMAX system modeling. The book pertains to researchers, academics, students, and professionals. Provides information about wireless system modeling and WiMAX systems; Presents WiMAX system modeling using antenna diversity techniques and the Alamouti coding scheme; Includes real time WiMAX system modeling for speech signal and digital images.
Electrical engineering. --- Signal processing. --- Image processing. --- Speech processing systems. --- Computer communication systems. --- Communications Engineering, Networks. --- Signal, Image and Speech Processing. --- Computer Communication Networks. --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Computational linguistics --- Information theory --- Modulation theory --- Oral communication --- Speech --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Electric engineering --- Engineering --- Distributed processing --- IEEE 802.16 (Standard) --- 802.16 (Standard) --- WiMAX (Standard) --- Worldwide Interoperability for Microwave Access --- Ethernet (Local area network system) --- Wireless metropolitan area networks --- Standards
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