Performance analysis of dual-hop fixed-gain AF relaying systems with OSTBC over Nakagami-m fading channels


Altunbaş İ., Yilmaz A., Kucur S. S., Kucur O.

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, cilt.66, sa.10, ss.841-846, 2012 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 66 Sayı: 10
  • Basım Tarihi: 2012
  • Doi Numarası: 10.1016/j.aeue.2012.02.002
  • Dergi Adı: AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.841-846
  • Anahtar Kelimeler: Dual-hop relaying, Space-time block code (STBC), Nakagami-m fading, Fixed gain, Diversity order, TIME BLOCK-CODES, COOPERATIVE DIVERSITY, OUTAGE PROBABILITY, WIRELESS COMMUNICATIONS, CORRELATED RAYLEIGH, NETWORKS, AMPLIFY, TRANSMISSION
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

In this paper, we present outage probability and symbol error rate (SER) performance analyses of a dual-hop transmission using fixed-gain amplify-and-forward relaying in flat Nakagami-m fading channels. The system under consideration is equipped with multiple antennas at source and destination adopting orthogonal space-time block coding to provide transmit diversity and maximum ratio combining to provide receive diversity, respectively. For integer and half-integer m values, closed forms of exact outage probability and moment generating function (MGF) expressions are derived through cumulative distribution function (CDF) of the overall system signal-to-noise ratio. Closed-form exact SER expressions based on the overall CDF are obtained for binary phase shift keying, binary frequency shift keying and M-ary pulse amplitude modulation. Exact SER expressions based on the MGF method are also obtained for binary differential phase shift keying, M-ary phase shift keying and M-ary quadrature amplitude modulation. Moreover, the asymptotic diversity order analysis is performed through derivations of asymptotic outage probability and SER. Theoretical analyses are validated by Monte Carlo simulations showing perfect match between each other. (C) 2012 Elsevier GmbH. All rights reserved.