Joint Optimization of Precoder and Decoder in Multiuser MIMO Systems

M. Raja, Ha H. Nguyen, P. Muthuchidambaranathan

Abstract


This paper considers the joint optimization of precoder and decoder for both uplink and downlink transmissions in multiuser multiple-input, multiple-output (MU-MIMO) systems. Focusing on the scenario when an improper constellation such as binary phase shift-keying (BPSK) or M-ary amplitude shift-keying (M-ASK) is employed, novel joint linear precoders and decoders are proposed to minimize the total mean squared error (TMSE) of the symbol estimation. The superiority of the proposed transceivers over the previously-proposed designs is thoroughly verified by simulation results.


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DOI: http://dx.doi.org/10.21553/rev-jec.34

Copyright (c) 2012 REV Journal on Electronics and Communications


ISSN: 1859-378X

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