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Asymptotic statistics of mutual information for doubly correlated MIMO channels

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32 Citations (Scopus)

Abstract

In this paper, we derive the asymptotic statistics of mutual information for multiple-input multiple-output (MIMO) Rayleigh-fading channels in the presence of spatial fading correlation at both the transmitter and the receiver. We first introduce a class of asymptotic linear spectral statistics, called carrelants, for a structured correlation matrix. The mean and variance of MIMO mutual information are then expressed in terms of the correlants of spatial correlation matrices in the asymptotic regime where the number of transmit and receive antennas tends to infinity. In particular, using Szegö's theorem on the asymptotic eigenvalue distribution of Toeplitz matrices, we give examples for special classes of correlation matrices with Toeplitz structure-exponential (or Kac-Murdock-Szegö), tridiagonal, and constant (or intraclass) correlation matrices.

Original languageEnglish
Article number4450824
Pages (from-to)562-573
Number of pages12
JournalIEEE Transactions on Wireless Communications
Volume7
Issue number2
DOIs
Publication statusPublished - Feb 2008

Bibliographical note

Funding Information:
Manuscript received May 18, 2006; revised December 29, 2006 and November 9, 2007; accepted November 9, 2007. The associate editor coordinating the review of this paper and approving it for publication was A. Molisch. This research was supported in part by the Korean Science and Engineering Foundation (KOSEF) grant funded by the Korean government (MOST) (Grant no. R01-2007-000-11202-0), the Office of Naval Research Young Investigator Award N00014-03-1-0489, the National Science Foundation under Grants ANI-0335256 and ECS-0636519, DoCoMo USA Labs, the Charles Stark Draper Laboratory Robust Distributed Sensor Networks Program, and the University of Bologna Internationalization Program.

Keywords

  • Asymptotic linear spectral statistics
  • Channel capacity
  • Multiple-input multiple-output (MIMO) system
  • Mutual information
  • Rayleigh fading
  • Spatial fading correlation
  • Toeplitz form

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