Title

Noncoherent SIMO detection by expectation propagation

Document Type

Conference Proceeding

Publication Date

7-28-2017

Abstract

An algorithm based on expectation propagation (EP) is proposed for noncoherent symbol detection in large-scale SIMO systems. It is verified through simulation that in terms of symbol error rate (SER), the proposed detector outperforms the pilotbased coherent MMSE detector for blocks as small as two symbols. This makes the proposed detector suitable for fast fading channels with very short coherence times. In addition, the SER performance of this detector converges to that of the optimum ML receiver when the size of the blocks increases. Finally it is shown that for Rician fading channels, knowledge of the fading parameters is not required for achieving the SER gains.

Publication Source (Journal or Book title)

IEEE International Conference on Communications

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