Performance Analysis of WiMAX System Base on AMC Optimized Algorithm

Li Liu; Xiu Ping Zheng; Li Jun Li

doi:10.4028/www.scientific.net/AMR.532-533.610

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 532-533Performance Analysis of WiMAX System Base on AMC...

Performance Analysis of WiMAX System Base on AMC Optimized Algorithm

Abstract:

Aimed at WiMAX-OFDM system, an optimized algorithm for AMC was proposed from the angle of channel estimation. Simulation experiments were carried on in SUI channels which were typically slow fading, and influences of the traditional AMC technology and optimized AMC algorithm on performance of system were analyzed. Results show that the optimized AMC algorithm not only improves accuracy of channel estimation, but also reduces errors between the predicted signal-to-noise ratio and the actual SNR, which makes selected modulation and coding scheme more reasonable. Finally, the WiMAX system can obtain performance optimization.

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Periodical:

Advanced Materials Research (Volumes 532-533)

Pages:

610-614

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.532-533.610

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Online since:

June 2012

Authors:

Li Liu, Xiu Ping Zheng, Li Jun Li

Keywords:

Adaptive Modulation, Channel Estimation, Coding, Orthogonal Frequency Division Multiplexing (OFDM), WiMax

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