An MLSE receiver using channel classification for Rayleigh fading channels
IEEE Journal on Selected Areas in Communications（2000）
摘要
We propose a channel classification method that identifies the delay path profile of Rayleigh fading channels, which can be used in conjunction with conventional maximum-likelihood sequence estimation (MLSE) receivers. The proposed method determines the appropriate number of delay taps for the MLSE trellis, based on a decision variable obtained from multiple traffic bursts. By formulating the decision variable using the F-distribution, we derive exact expressions for misclassification probability. A new MLSE receiver structure that utilizes the channel classification method is described, and bit error rate (BER) simulation results are presented to demonstrate the performance improvement. The particular application which is discussed is the IS-136 TDMA standard.
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关键词
demodulation,multiuser channels,rayleigh fading channel,bit error rate,delay taps,telecommunication standards,cellular radio,maximum-likelihood sequence estimation,delay path profile,mlse receivers,rayleigh fading channels,performance improvement,channel classification,mlse trellis,ber simulation results,f-distribution,multiple traffic bursts,new mlse receiver structure,maximum likelihood sequence estimation,signal classification,time division multiple access,channel classification method,appropriate number,radio receivers,mlse receiver,telecommunication traffic,decision variable,is-136 tdma standard,misclassification probability,error statistics,delay tap,rayleigh channels,fading channel,indexing terms
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