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Pairwise Error Probability of Distributed Space--Time Coding Employing Alamouti Scheme in Wireless Relays Networks
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2009 (English)In: Wireless personal communications, ISSN 0929-6212, E-ISSN 1572-834X, Vol. 51, no 2, 231-244 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we analyze the pairwise error probability (PEP) of distributed space-time codes, in which the source and the relay generate Alamouti space--time code in a distributed fashion. We restrict our attention to the space-time code construction for Protocol III in [1]. In particular, we derive two closed-form approximations for PEP when the relay is either close to the destination or source and an upper bound for any position of the relay. Using the alternative definition of $Q$-function, we can express these PEPs in terms of finite integral whose integrand is composed of trigonometric functions. We further show that with only one relay assisted source-destination link, system still achieves diversity order of two, assuming single-antenna terminals. We also perform Monte-Carlo simulations to verify the analysis.

Place, publisher, year, edition, pages
Springer , 2009. Vol. 51, no 2, 231-244 p.
Keyword [en]
Distributed space-time codes, relay channels, pairwise error probability (PEP)
National Category
Telecommunications Signal Processing
URN: urn:nbn:se:bth-8361DOI: 10.1007/s11277-008-9640-9ISI: 000270195400002Local ID: diva2:836071
Link to the paper: Published online: 13 November 2008Available from: 2012-09-18 Created: 2008-11-13 Last updated: 2015-06-30Bibliographically approved

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