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Opportunistic relay selection for cooperative networks with secrecy constraints (2010)
| Venue: | IET Communications |
| Citations: | 11 - 0 self |
BibTeX
@ARTICLE{Krikidis10opportunisticrelay,
author = {Ioannis Krikidis and Themistoklis Charalambous and John S. Thompson},
title = {Opportunistic relay selection for cooperative networks with secrecy constraints},
journal = {IET Communications},
year = {2010},
pages = {1787--1791}
}
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Abstract
Abstract—In this paper, a relay selection policy is proposed that fully exploits the flexibility offered by the buffering ability of the relay nodes in order to maximize the achieved diversity gain. The suggested scheme incorporates the instantaneous strength of the wireless links as well as the status of the finite relay buffers and adapts the relay selection decision on the strongest available link by dynamically switching between relay reception and transmission. We show that the proposed relay selection scheme significantly outperforms conventional relay selection policies for all cases and ensures a diversity gain equal to two times the number of relays for large buffer sizes. I.
Keyphrases
opportunistic relay selection cooperative network secrecy constraint suggested scheme diversity gain relay selection scheme instantaneous strength relay selection policy large buffer conventional relay selection policy relay reception relay selection decision achieved diversity gain finite relay buffer wireless link relay node available link
