Performance evaluation of soft decode-and-forward in fading relay channels

Qi, YN, Hoshyar, R and Tafazolli, R (2008) Performance evaluation of soft decode-and-forward in fading relay channels

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Abstract

In this paper, we analyze the block error rate (BLER) and bit error rate (BER) of soft decode-and-forward (SDF) using distributed Turbo codes, which is proposed recently to mitigate error propagation caused by decoding error in the relay node. Union bound (UB) in fading channels is derived and compared with simulation results. In order to get tight bounds for block fading case, limit-before-average technique is used. Furthermore, we extend our analysis to the space-time cooperation framework. The analysis and simulation show that the derived bound is very tight.

Item Type:	Conference or Workshop Item (UNSPECIFIED)
Divisions :	Surrey research (other units)
Authors :	Name Email ORCID Qi, YN Hoshyar, R Tafazolli, R r.tafazolli@surrey.ac.uk
Date :	2008
Contributors :	Contribution Name Email ORCID publisher IEEE,
Uncontrolled Keywords :	decode-and-forward (DF), distributed Turbo codes, log-likelihood ratio (LLR), upper bound (UB), pairwise error probability (PEP), space-time cooperation, TURBO-CODES, WIRELESS COMMUNICATIONS, CONVOLUTIONAL-CODES, COOPERATION, DIVERSITY, SPECTRUM
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 10:56
Last Modified :	23 Jan 2020 16:15
URI:	http://epubs.surrey.ac.uk/id/eprint/829360

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