Performance analysis of optimum combining in wireless communications with rayleigh fading and cochannel interference

Document Type

Article

Publication Date

12-1-1998

Abstract

-Optimum combining for space diversity reception is studied in digital cellular mobile radio communication systems with Rayleigh fading and multiple cochannel interferers. This paper considers binary phase-shift keying (BPSK) modulation in a flat Rayleigh-fading environment when the number of interferences L is no less than the number of antenna elements N(L > N). The approach of this paper and its main contribution is to carry out the analysis in a multivariate framework. Using this approach and with the assumption of equal-power interferers, it is shown that the probability density function of the maximum signal-to-interference ratio (SIR) at the output of the optimum combiner has a Hotelling T2 distribution. Closed form expressions using hypergeometric functions are derived for the outage probability and the average probability of bit error. Theoretical results are demonstrated by Monte Carlo simulations. © 1998 IEEE.

Identifier

0032046593 (Scopus)

Publication Title

IEEE Transactions on Communications

External Full Text Location

https://doi.org/10.1109/26.664303

ISSN

00906778

First Page

473

Last Page

479

Issue

4

Volume

46

Grant

F49620-97-1-0241

Fund Ref

Air Force Office of Scientific Research

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