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Praise for Fundamentals of WiMAX

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11.2 AWGN Channel Per<strong>for</strong>mance <strong>of</strong> <strong>WiMAX</strong> 371Table 11.1 Downlink and Uplink Link-Level Simulation ParametersParameterValueChannel bandwidth10MHzNumber <strong>of</strong> subcarriers 1,024Subcarrier permutationPUSC and band AMCCyclic prefix 1/8Frame length5msecChannel codingConvolutional and turboChannel decoderSOVA <strong>for</strong> convolutional codes and Max LogMAP <strong>for</strong> turbo codesHybrid-ARQType I (Chase combining) and type II (incremental redundancy)Maximum number <strong>of</strong> H-ARQtransmissions4Subpacket ID <strong>for</strong> type II H-ARQ 0, 1, 2, 3Carrier frequency2,300MHzMultipath channelPed B, Ped A, and Veh AMS speed3km/hr <strong>for</strong> Ped B and Ped A, 30kmph and 120kmph <strong>for</strong> Veh ATransmit-antenna correlation (ρ t ) 0 and 0.5Receive-antenna correlation (ρ r ) 0 and 0.5SNR feedback interval1 frame (5msec)SNR feedback delay2 frames (10msec)MIMO feedback duration1 frame (5msec)MIMO feedback delay2 frames (10msec)Overampling factor (digital to analog) 8Total number <strong>of</strong> FEC code blockssimulated15,000SymbolModulatorxE szr1EsyDetectorFigure 11.2 A communication system

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