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Blind Multiuser Channel Identification Based on Rate Doubling and Modulation-Induced Cyclostationarity 被引量:4
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作者 CAO Shi ke, ZHANG Li jun (Nanjing University of Posts and Telecommunications, Nanjing 210003, P.R. China) 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2003年第3期22-29,共8页
In this paper, a novel approach is put forward to the multiuser channelidentification. The approach makes use of the modulation-induced Cyclostationarity to separate thesecond order cyclic statistics for every user, w... In this paper, a novel approach is put forward to the multiuser channelidentification. The approach makes use of the modulation-induced Cyclostationarity to separate thesecond order cyclic statistics for every user, with the special features of one subspace for oneuser, so as to be able to identify individual channels of different users. In order to form aSingle-Input-Two-Output (SITO) system, the transmission rate is doubled by repeating at thetransmitters. The approach is rather simple, suitable for the multiuser uplink . And the channelidentifiability conditions with its proof are included in the paper, And finally the identificationalgorithm is proposed with simulation results. 展开更多
关键词 blind channel identification CYCLOSTATIONARITY second-order cyclicstatistics
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