Outage Analysis for Amplify-and-Forward Relay with End-to-End Antenna Selection over Non-identical Nakagami-m Environment

Dac-Binh HA  Vo Nguyen Quoc BAO  Nguyen-Son VO  

Publication
IEICE TRANSACTIONS on Communications   Vol.E95-B   No.10   pp.3341-3344
Publication Date: 2012/10/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E95.B.3341
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
antenna selection,  amplify-and-forward (AF),  Nakagami-m fading,  relay networks,  outage probability,  

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Summary: 
We derive a closed-form expression for the outage probability (OP), which is an important performance metric used to measure the probability that the target error rate performance of wireless systems exceeds a specified value, of multiple-input multiple-output (MIMO) amplify-and-forward (AF) relaying systems with best antenna selection under independent, but not necessarily identical distributed Nakagami-m fading. To gain further insights on the performance, the asymptotic approximation for OP, which reveals the diversity gain, is presented. We show that the diversity gain is solely determined by the fading severity parameters and increases with number of antennas at all nodes.