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CLC number: TN92

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Received: 2009-07-25

Revision Accepted: 2009-10-03

Crosschecked: 2009-11-11

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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.12 P.1683-1687


Average SNR of maximum ratio transmission with selection combining

Author(s):  Xian-yi RUI

Affiliation(s):  School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China

Corresponding email(s):   xyrui@suda.edu.cn

Key Words:  Maximum ratio transmission (MRT), Generalized selection combining (GSC), Generalized order selection combining (GOSC), Average signal-to-noise ratio, Rayleigh fading

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Xian-yi RUI. Average SNR of maximum ratio transmission with selection combining[J]. Journal of Zhejiang University Science A, 2009, 10(12): 1683-1687.

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Two kinds of selection combining schemes including generalized selection combining (GSC) and generalized order selection combining (GOSC) are investigated. In the GSC scheme, L strongest diversity branches from a total of R diversity branches are selected and coherently combined by maximal ratio combining. GOSC means that the Lth strongest diversity branch from R diversity branches is selected for reception. Closed-form expressions for the average signal-to-noise ratios of maximum ratio transmission with GSC and GOSC are derived in rayleigh fading channels.

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