Relay selection for decode-and-forward cooperative network with multiple antennas

Xianglan Jin, Jong Seon No, Dong-Joon Shin

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

In this paper, a new relay selection scheme for decode-and-forward (DF) relay cooperative network with multiple antennas is proposed based on both channel state information (CSI) and transmission scheme by deriving the upper bound on the pairwise error probability (PEP) of the near-maximum-likelihood (near-ML) decoder. It is also proved that the proposed relay selection which selects m (1 ≤ m ≤ N) relays from N relays achieves full diversity M S M D+N M R min[M S,M D] regardless of the value of m in the DF relay network consisting of one source, one destination, and N relays with M S, M D, and M R antennas, respectively. Through Monte Carlo simulation, the error correction performance of the proposed relay selection for various m is shown for the uncoded single-antenna, Alamouti coded, and multiple-input multiple-output (MIMO) DF relay networks.

Original languageEnglish
Article number6036012
Pages (from-to)4068-4079
Number of pages12
JournalIEEE Transactions on Wireless Communications
Volume10
Issue number12
DOIs
StatePublished - 2011 Dec 1

Keywords

  • Decode-and-forward (DF)
  • diversity
  • maximum-likelihood (ML)
  • multiple antennas
  • pairwise error probability (PEP)
  • relay selection

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