WiMAX: Technologies, Performance Analysis, and QoS
Syed A. Ahson, Mohammad Ilyas
CRC Press, Sep 7, 2007 - Technology & Engineering - 296 pages
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 will undoubtedly improve, thereby leading to greater economic empowerment.
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Chapter 2 FractalBased Methodologies for WiMAX Antenna Synthesis
Chapter 3 SpaceTime Coding and Application in WiMAX
Chapter 4 Exploiting Diversity in MIMOOFDM Systems for Broadband Wireless Communications
Chapter 6 System Performance Analysis for the Mesh Mode of IEEE 80216
Chapter 7 Peroformance Analysis and Simulation Results under Mobile Environments
Resources Allocation for ReservationBased Traffic
Chapter 9 Scheduling Algorithms for OFDMABased WiMAX Systems with QoS Constraints
Chapter 10 Resource Allocation and Admission Control Using Fuzzy Logic for OFDMABased IEEE 80216 Broadband Wireless Networks
Chapter 5 Peformance Analysis of IEEE 80216 Fixed Broadband Wireless Access Systems
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achieve admission control Alamouti Code algorithm average BEP average SNR base station baseband baseband processor broadband wireless access channel conditions channel estimation code design codewords complex computing data packets decoding denote distribution diversity order downlink dynamic Equation exponent value fading channels Fractal Antenna frame frequency full-diversity SF code full-rate fuzzy logic holdoff exponent IEEE IEEE Trans increase interval Markov matrix maximum mesh mode mobile modulation multiple access multiplexing node nrtPS obtained OFDM OFDM block OFDM system OFDMA orthogonal parameters PDUs Performance Analysis permutation probability problem Proc proposed quaternions R-MAC protocols radio resource management Rayleigh fading receive antenna reservation period rtPS scenario scheduling scheme Section service queue shown in Figure signal SINR slot slotted Aloha space–time block codes space–time codes standard STBC subcarriers subchannels traffic load transmit antennas uplink vector WiMAX WiMAX antenna WiMAX system wireless communication