Impact of imperfect channel state information on Bi-directional communications with relay selection

Zhiguo Ding, Kin K. Leung

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

In this correspondence, we study the effect of channel estimation error to the reception reliability for decode-forward based two-way relaying and physical layer network coding. In particular, we focus on the scenario where the channel estimation error is inversely proportional to signal-to-noise ratio (SNR). To such a scenario, analytic results have been developed to show that symbol error probability can approach zero by increasing SNR and extra diversity gains can still be achieved by applying relay selection.

Original languageBritish English
Article number5970131
Pages (from-to)5657-5662
Number of pages6
JournalIEEE Transactions on Signal Processing
Volume59
Issue number11
DOIs
StatePublished - Nov 2011

Keywords

  • Cooperative diversity
  • imperfect channel state information
  • network coding

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