Incremental Relaying with Partial Relay Selection

Vo Nguyen Quoc BAO  Hyung Yun KONG  

Publication
IEICE TRANSACTIONS on Communications   Vol.E93-B   No.5   pp.1317-1321
Publication Date: 2010/05/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.1317
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
amplify-and-forward,  incremental relaying,  partial relay selection,  

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Summary: 
We propose an incremental relaying protocol in conjunction with partial relay selection with the aim of making efficient use of the degrees of freedom of the channels as well as improving the performance of dual hop relaying with partial relay selection (DRPRS). Specifically, whenever the direct link from the source to the destination is not favorable to decoding, the destination will request the help of the opportunistic relay providing highest SNR of the links from the source. Theoretical analyses, as well as simulation results, verify that our scheme outperforms the DRPRS scheme in terms of bit error probability.