Detection of M-ary OFDM Systems with CPM Mapper over Multipath Channels

被引:0
|
作者
Shafter, Emammer [1 ]
Alsharef, Mohammad [1 ]
Rao, Raveendra K. [1 ]
机构
[1] Western Univ, Dept Elect & Comp Engn, Fac Engn, ICIE, London, ON N6A 5B9, Canada
关键词
OFDM; CPM; error probability; AWGN; multi-path channel; and OFDM systems with CPM mapper;
D O I
暂无
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper, a class of OFDM systems with Continuous Phase Modulation (CPM) mapper signals is discussed and theoretical predictions for symbol error probabilities are derived, where the memory is employed to improve system performance. Previously, results summarized that binary data of OFDM systems with CPM mapper is mapped with complex symbols using the concept of correlated phase states of CPM signal. The results presented in this paper show that M-ary OFDM systems with CPM mapper outperforms the conventionally used M-ary memory-less mapper in OFDM systems. Optimum and suboptimum multiple-symbol observation OFDM systems with CPM mapper receivers are derived. Multipath channel with Additive White Gaussian Noise (AWGN) is assumed. Also, symbol error rate performance in terms of high and low SNR bounds is analyzed and assessed in terms of the value of the deviation ratio h, time delay, and attenuation level. This paper provides a complete analysis of the performance of the OFDM systems with CPM mapper at high SNR as well as low SNR and as a result unifies and extends the previously available results.
引用
收藏
页码:107 / 111
页数:5
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