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Fixed WiMAX Downlink Spectral Efficiency and Throughput Measurements under Channel Impairments

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2 Author(s)
Shah, P. ; Gildart Haase Sch. of Comput. Sci. & Eng., Fairleigh Dickinson Univ., Teaneck, NJ, USA ; Mondal, K.

This paper presents WiMax system performance results especially spectral efficiency and throughput under severe multi-path fading and noisy channel conditions. These results are obtained by simulating enhanced WiMax physical layer models with and without transmit diversity. The system behavior is shown to be marginal for modulations beyond 16-QAM under worse conditions necessitating the mandatory use of adaptive modulation and coding (AMC) scheme.

Published in:

Computer Science and Information Engineering, 2009 WRI World Congress on  (Volume:1 )

Date of Conference:

March 31 2009-April 2 2009