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http://dx.doi.org/10.6109/jkiice.2016.20.2.275

A Buffer-Aided Successive Relaying Technique with a Priori Decoding Information  

Lee, Byeong Su (Department of Information and Communication Engineering, Gyeongsang National University)
Jung, Bang Chul (Department of Electronics Engineering, Chungnam National University)
Ban, Tae-Won (Department of Information and Communication Engineering, Gyeongsang National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.20, no.2, 2016 , pp. 275-280 More about this Journal
Abstract
In this paper, we propose a novel relay selection technique which utilizes a priori decoding information at relays for buffer-aided successive relaying networks. In the conventional relaying schemes, a single relay pair is selected for receiving data from the source and transmitting data to the destination. In the proposed technique, however, all relays except the relay selected for transmitting data to the destination try to decode the received signal from the source, and they store the data if they succeed decoding. The proposed technique selects the relay such that it can succeed its own transmission and it maximizes the number of relays successfully decoding the data from the source at the same time. It is shown that the proposed relaying technique significantly outperforms the conventional buffer-aided relaying schemes in terms of outage probability through extensive computer simulations.
Keywords
Cooperative Communications; Buffer-Aided Relay Networks; Relay Selection; Interference Cancellation;
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