Average SNR of dual selection combining over correlated Nakagami-m fading channels

Young Chai Ko; Mohamed Slim Alouini; Marvin K. Simon

doi:10.1109/4234.823534

Average SNR of dual selection combining over correlated Nakagami-m fading channels

Young Chai Ko, Mohamed Slim Alouini, Marvin K. Simon

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

We investigate the effect of fading correlation and branch gain imbalance on the average output signal-to-noise ratio (SNR) in conjunction with dual selection combining (SC). In particular, starting with the moment generating function of the dual SC output SNR, we derive a closed-form expression for the average output SNR in the general case of correlated unbalanced Nakagami-m fading channels. We then show that the generic result can be further simplified for the special cases of Rayleigh fading, uncorrelated branches, and/or equal average SNR's. Because of their simple form, the given expressions readily allow numerical evaluation for cases of practical interest.

Original language	English (US)
Pages (from-to)	12-14
Number of pages	3
Journal	IEEE Communications Letters
Volume	4
Issue number	1
DOIs	https://doi.org/10.1109/4234.823534
State	Published - Jan 2000
Externally published	Yes

ASJC Scopus subject areas

Modeling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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AB - We investigate the effect of fading correlation and branch gain imbalance on the average output signal-to-noise ratio (SNR) in conjunction with dual selection combining (SC). In particular, starting with the moment generating function of the dual SC output SNR, we derive a closed-form expression for the average output SNR in the general case of correlated unbalanced Nakagami-m fading channels. We then show that the generic result can be further simplified for the special cases of Rayleigh fading, uncorrelated branches, and/or equal average SNR's. Because of their simple form, the given expressions readily allow numerical evaluation for cases of practical interest.

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Average SNR of dual selection combining over correlated Nakagami-m fading channels

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