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Asymptotic mutual information for rician MIMO-MA channels with arbitrary inputs: A replica analysis

Wen, CK; Wong, KK; Chen, JC; (2010) Asymptotic mutual information for rician MIMO-MA channels with arbitrary inputs: A replica analysis. IEEE Transactions on Communications , 58 (10) pp. 2782-2788. 10.1109/TCOMM.2010.082710.090456.

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Abstract

Using the replica method, originally developed in statistical physics, we derive the asymptotic mutual information (MI) of a spatially correlated Rician multiple-input multiple-output (MIMO) multiple-access (MA) channel for any given signaling input distributions (not necessarily Gaussian) in the large-system regime where the numbers of antennas at the transmitters and the receiver go to infinity with a constant ratio. In addition to the result that uses joint optimum decoding (JOD) at the central receiver, we also obtain asymptotic characteristics of a more practical system which performs separate detection and decoding (SDD) (i.e., spatial detection followed by a temporal error-correction decoder). Simulation results reveal that the asymptotic results provide promising estimates for the average performance metrics (e.g., the error probability and the MI) even with only a few antenna elements at the transceivers. © 2006 IEEE.

Type: Article
Title: Asymptotic mutual information for rician MIMO-MA channels with arbitrary inputs: A replica analysis
DOI: 10.1109/TCOMM.2010.082710.090456
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/1323752
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