Optimal versus suboptimal combining with imperfect channel knowledge

Document Type

Conference Proceeding

Publication Date

12-1-2004

Abstract

Optimal combining and suboptimal combining techniques are investigated for multipath Rayleigh fading channel with additive white Gaussian noise where only imperfect channel knowledge is available at the receiver. The exact bit error performance using optimal combining is derived, whereas the upper bound and lower bound of bit error rate of suboptimal combining are obtained via similar derivation. Numerical results presented for certain channel and estimation model show that when SNR increase, suboptimal combining methods can be used instead of optimal one in order to reduce the complexity without much performance degradation. © 2004 IEEE.

Identifier

17144409934 (Scopus)

Publication Title

IEEE Vehicular Technology Conference

ISSN

15502252

First Page

1880

Last Page

1884

Issue

3

Volume

60

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