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Comprehensive error performance analysis of distributed selection combining with multi-antenna amplify-and-forward relay over Nakagami-m fading channels

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3 Author(s)
Datta, S.N. ; G.S. Sanyal Sch. of Telecommun., Indian Inst. of Technol., Kharagpur, India ; Chakrabarti, S. ; Roy, R.

A unified analytical framework is developed using a general two-parameter received signal-to-noise ratio (SNR) model for two-hop amplify-and-forward (AF) relaying with a multi-antenna relay, to determine error performance of binary modulation schemes over independent but non-identically distributed Nakagami-m faded links. The multi-antenna relay employs selection combining (SC) and the destination adopts distributed SC. Exact analytical expression is obtained for the cumulative distribution function of received SNR. A pair of generalised closed form expressions for bit error probability has been obtained for two specific AF relay configurations.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 22 )