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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 4/2015

01.06.2015

ORS-FA: An Opportunistic Relay Selection Scheme for Frame-Aggregated Environments

verfasst von: Taewon Song, Wonjung Kim, Sangheon Pack

Erschienen in: Wireless Personal Communications | Ausgabe 4/2015

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Abstract

In conventional opportunistic relay selection schemes, one or multiple relays with better channel condition are selected. However, if frame aggregation is supported for improving MAC throughput, each relay can have different amounts of data and thus conventional selection schemes may choose a worse relay node only with good channel condition but little data. In this paper, we propose a novel opportunistic relay selection scheme when frame aggregation is adopted. In the proposed scheme, a relay node is selected in a distributed manner by considering the amount of data as well as channel condition, and therefore the most appropriate relay node can be chosen. Simulation results demonstrate that the proposed scheme outperforms other relay selection schemes, especially when the number of relay nodes is large.
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Fußnoten
1
Note that most rate adaptation algorithms set the transmission rate satisfying the given target error rate and thus the error rate is almost the same regardless of the transmission rate. Therefore, we do not consider the error rate in computing \(\alpha _i\).
 
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Metadaten
Titel
ORS-FA: An Opportunistic Relay Selection Scheme for Frame-Aggregated Environments
verfasst von
Taewon Song
Wonjung Kim
Sangheon Pack
Publikationsdatum
01.06.2015
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 4/2015
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-015-2351-0

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