Error-rate performance analysis of cooperative OFDMA system with decode-and-forward relaying

Muhammad Mehboob Fareed, Murat Uysal, Theodoros A. Tsiftsis

Research output: Contribution to journalArticlepeer-review


In this paper, we investigate the performance of a cooperative orthogonal frequency-division multiple-access (OFDMA) system with decode-and-forward (DaF) relaying. Specifically, we derive a closed-form approximate symbol-error-rate expression and analyze the achievable diversity orders. Depending on the relay location, a diversity order up to (LSkD + 1) + σ Mm = 1 min(LSkRm + 1, LR mD + 1) is available, where M is the number of relays, and LS kD + 1, LSkRm + 1, and LRmD + 1 are the lengths of channel impulse responses of source-to-destination, source-to- mth relay, and mth relay-to-destination links, respectively. Monte Carlo simulation results are also presented to confirm the analytical findings.

Original languageEnglish (US)
Article number6663693
Pages (from-to)2216-2223
Number of pages8
JournalIEEE Transactions on Vehicular Technology
Issue number5
StatePublished - Jun 2014


  • Error rate
  • orthogonal frequency-division multiple access (OFDMA)
  • power allocation
  • relay channels

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Automotive Engineering


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