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Maximal Ratio Combining Performance Analysis in Spatially Correlated Rayleigh Fading Channels
 

Summary: Maximal Ratio Combining Performance Analysis in
Spatially Correlated Rayleigh Fading Channels
David B. Smith and Thushara D. Abhayapala
Abstract-- New Results for the performance analysis of maxi-
mal ratio combining (MRC) using BPSK and M-PSK modulation
in spatially correlated Rayleigh fading channels are presented
in terms of antenna array configuration and parameters of
scatterer distributions. Revised closed-form expressions for prob-
abilities of bit error and symbol error of BPSK and M-PSK
modulations respectively are given with MRC which allow for
non-distinct eigenvalues (or closely spaced eigenvalues) from the
correlation matrix at the receiver. The results of performance
analysis assuming different receiver configurations and scattering
scenarios give valuable insights into the performance of MRC in
realistic Rayleigh fading scenarios for isotropic and non-isotropic
scatterer distributions.
Index Terms-- Combining techniques, diversity, correlation,
fading channels
I. INTRODUCTION
Maximal ratio combining represents a theoretically optimal

  

Source: Abhayapala, Thushara D. - Department of Information Engineering, Australian National University

 

Collections: Computer Technologies and Information Sciences