Combined average SNR of a generalized diversity selection combining scheme

The average signal-to-noise-ratio (SNR) of a generalized selection combining (GSC) scheme, in which the m diversity branches (m/spl les/L, where L is the total number of diversity branches available) with the largest instantaneous SNRs are selected and coherently combined, is derived. A Rayleigh fad...

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Bibliographic Details
Published in1998 IEEE International Conference on Communications Vol. 3; pp. 1556 - 1560 vol.3
Main Authors Kong, N., Milstein, L.B.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1998
Subjects
Additive white noise
Closed-form solution
Density functional theory
Diversity reception
Drives
Fading
Gaussian noise
Rayleigh channels
Signal to noise ratio
Wireless communication
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Summary:The average signal-to-noise-ratio (SNR) of a generalized selection combining (GSC) scheme, in which the m diversity branches (m/spl les/L, where L is the total number of diversity branches available) with the largest instantaneous SNRs are selected and coherently combined, is derived. A Rayleigh fading channel is assumed, and a simple closed-form expression for the SNR is found which is upper bounded by the average SNR of maximal ratio combining, and lower bounded by average SNR of conventional selection combining.
ISBN:0780347889
9780780347885
DOI:10.1109/ICC.1998.683085