Iterative Receiver Design for FTN Signaling Aided Sparse Code Multiple Access.
IEEE Transactions on Wireless Communications(2020)
摘要
The sparse code multiple access (SCMA) is a promising candidate for bandwidth-efficient next generation wireless communications, since it can support more users than the number of resource elements. On the same note, faster-than-Nyquist (FTN) signaling can also be used to improve the spectral efficiency. Hence in this paper, we consider a combined uplink FTN-SCMA system in which the data symbols c...
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关键词
Channel estimation,Receivers,Complexity theory,Message passing,Approximation algorithms,Decoding,Wireless communication
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