13.07.2015 Views

Praise for Fundamentals of WiMAX

Praise for Fundamentals of WiMAX

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11.4 Benefits <strong>of</strong> Multiple-Antenna Techniques in <strong>WiMAX</strong> 3931.E+00QPSK R1/2 2 × 2 Open LoopQPSK R1/2 4 × 2 Open LoopQPSK R1/2 2 × 4 Open LoopQPSK R1/2 4 × 4 Open Loop1.E-01Bit Error Rate1.E-024 Receive Antennas2 Receive Antennas1.E-031.E-04–5 0 5 10 15 20SNR (dB)Figure 11.24 Bit error rate <strong>for</strong> band AMC QPSK R1/2 in Ped B channel with dual streams (matrixB) <strong>for</strong> open-loop MIMO schemes1.E+00QPSK R3/4 2 × 2 Open LoopQPSK R3/4 4 × 2 Open LoopQPSK R3/4 2 × 4 Open LoopQPSK R3/4 4 × 4 Open Loop1.E-01Bit Error Rate1.E-024 Receive Antennas2 Receive Antennas1.E-031.E-04-5 0 5 10 15 20SNR (dB)Figure 11.25 Bit error rate <strong>for</strong> band AMC QPSK R3/4 in Ped B channel with dual streams (matrixB) <strong>for</strong> open-loop MIMO schemes

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