Channel capacity of adaptive transmission with maximal ratio combining in correlated Rayleigh fading

Ranjan K. Mallik, Moe Z. Win, Joshua W. Shao, Mohamed Slim Alouini, Andrea J. Goldsmith

Research output: Contribution to journalArticlepeer-review

107 Scopus citations

Abstract

We derive closed-form expressions for the single-user capacity of maximal ratio combining diversity systems taking into account the effect of correlation between the different branches. We consider a Rayleigh fading channel with two kinds of correlation: 1) equal branch signal-to-noise ratios (SNRs) and the same correlation between any pair of branches and 2) unequal branch SNRs and arbitrary correlation between branches such that the eigenvalues of the branch covariance matrix are all distinct. Three adaptive transmission schemes are analyzed: 1) optimal simultaneous power and rate adaptation; 2) optimal rate adaptation with constant transmit power; and 3) channel inversion with fixed rate.

Original languageEnglish (US)
Pages (from-to)1124-1133
Number of pages10
JournalIEEE Transactions on Wireless Communications
Volume3
Issue number4
DOIs
StatePublished - Jul 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Keywords

  • Adaptive transmission
  • Channel capacity
  • Correlated Rayleigh fading
  • Maximal ratio combining (MRC)

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