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Precoder design for space-time coded systems over correlated Rayleigh fading channels using convex optimization

Phan, K. T. and Vorobyov, S. A. and Tellambura, C. (2009) Precoder design for space-time coded systems over correlated Rayleigh fading channels using convex optimization. IEEE Transactions on Signal Processing, 57 (2). pp. 814-819. ISSN 1053-587X.

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A class of computationally efficient linear precoders for space-time block coded multiple-input multiple-output wireless systems is derived based on the minimization of the exact symbol error rate (SER) and its upper bound. Both correlations at the transmitter and receiver are assumed to be present, and only statistical channel state information in the form of the transmit and receive correlation matrices is assumed to be available at the transmitter. The convexity of the design based on SER minimization is established and exploited. The advantage of the developed technique is its low complexity. We also find various relationships of the proposed designs to the existing precoding techniques, and derive very simple closed-form precoders for special cases such as two or three receive antennas and constant receive correlation. The numerical simulations illustrate the excellent SER performance of the proposed precoders.

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Additional Information:© 2008 IEEE. Manuscript received December 07, 2007; revised October 13, 2008. First published October 31, 2008; current version published January 30, 2009. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Timothy N. Davidson. This work was supported in part by the Natural Sciences and Engineering Research Council (NSERC) of Canada and by the Alberta Ingenuity Foundation, AB, Canada.
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Natural Sciences and Engineering Research Council (NSERC) of CanadaUNSPECIFIED
Alberta Ingenuity Foundation, AB, CanadaUNSPECIFIED
Subject Keywords:convex optimization; correlated fading channels; multiple-input multiple-output (MIMO) systems; precoding; space-time codes
Issue or Number:2
Record Number:CaltechAUTHORS:20090423-085920040
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14052
Deposited By: Tony Diaz
Deposited On:07 Aug 2009 17:59
Last Modified:03 Oct 2019 00:46

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