Asymptotic SER and outage probability of MIMO MRC in correlated fading

Shi Jin*, Matthew R. McKay, Xiqi Gao, Ian B. Collings

*Corresponding author for this work

Research output: Contribution to journalArticle

47 Citations (Scopus)


This letter derives the asymptotic symbol error rate (SER) and outage probability of multiple-input multiple-output (MIMO) maximum ratio-combining (MRC) systems. We consider Rayleigh fading channels with both transmit and receive spatial correlation. Our results are based on new asymptotic expressions that we derive for the p.d.f. and c.d.f. of the maximum eigenvalue of positive-definite quadratic forms in complex Gaussian matrices. We prove that spatial correlation does not affect the diversity order but that it reduces the array gain and hence increases the SER in the high SNR regime.

Original languageEnglish
Pages (from-to)9-12
Number of pages4
JournalIEEE Signal Processing Letters
Issue number1
Publication statusPublished - Jan 2007
Externally publishedYes


  • Correlation
  • Maximal ratio combining (MRC)
  • Multiple-input multiple-output (MIMO)
  • Rayleigh channels

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