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A new equivalent relay channel model for analyzing the error performance of a GF(4) network coded detect-and-forward relay

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3 Author(s)
Ilgın Şafak ; Elektrik ve Elektronik Mühendisliği Bölümü, Hacettepe Üniversitesi, Turkey ; Emre Aktaş ; A. Özgür Yılmaz

In this paper, a new equivalent relay channel model is developed for analyzing the error performance of detect-and-forward (DetF) relay networks and is compared to the minimum equivalent relay channel model typically used in DetF systems. The considered cooperative relay network comprises two users, single destination, 4-ary Galois field (GF(4)) network coded, QPSK modulated, DetF in a flat Rayleigh fading environment. The destination performs maximum likelihood (ML) decoding utilizing the error rates of the source-relay links. Pairwise error probability results show that the proposed equivalent channel model sucessfully approximates the relay channel.

Published in:

2012 20th Signal Processing and Communications Applications Conference (SIU)

Date of Conference:

18-20 April 2012