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Clipping Noise Mitigating Iterative Receivers for OFDM

被引：0
|
作者：
Bibi, Nargis [1 ]
Cheetham, Barry [1 ]
机构：
[1] Univ Manchester, Sch Comp Sci, Manchester, Lancs, England
来源：
2012 IEEE 3RD INTERNATIONAL CONFERENCE ON NETWORKED EMBEDDED SYSTEMS FOR EVERY APPLICATION (NESEA) | 2012年
关键词：
clipping; orthogonal frequency division multiplexing (OFDM); iterative receiver; peak to average power ratio (PAPR); POWER REDUCTION;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Orthogonal Frequency Division Multiplexing (OFDM) systems are susceptible to High Power Amplifier (HPA) nonlinearities because of the high Peak to Average Power Ratios (PAPR) in the symbols that are transmitted. Clipping or otherwise limiting these high peaks causes in-band and out-of-band distortion in the signals. This study focuses on clipping noise mitigation using iterative receivers based on Bussgang Noise Cancellation (BNC) and Decision-Aided Reconstruction (DAR). A modified DAR receiver is simulated with oversampled clipping and filtering. Both receivers are compared in terms of bit-error rate (BER) and number of iterations.
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页数：5
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