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Outage Performance Analysis of Imperfect-CSI-Based Selection Cooperation in Random Networks

Lookup NU author(s): Dr Anvar Tukmanov, Professor Said Boussakta, Dr Zhiguo Ding, Professor Abbas Jamalipour

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Abstract

Selection of relays is central to efficient utilization of cooperative diversity gains when multiple relays are available in the network. Such selection is generally based on some form of channel state information (CSI), which is always imperfect in practice. The effects of using imperfect CSI in relay selection process have been generally considered in existing literature without the account for spatial distribution of relays, while current works on relays selection in random networks mainly assume perfect CSI. In this paper we analyze outage performance of a single source-destination pair communicating through a decode-and-forward relay, chosen from a Poisson point process (PPP) of candidate relays using perfect and imperfect CSI. We derive exact outage probability expressions for selection cooperation strategy. Closed form expressions are provided for special cases, and asymptotic analysis is conducted to highlight the high-SNR system behaviour.

Publication metadata

Author(s): Tukmanov A, Boussakta S, Ding Z, Jamalipour A

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Communications

Year: 2014

Volume: 62

Issue: 8

Pages: 2747-2757

Print publication date: 06/05/2014

Online publication date: 06/05/2014

Acceptance date: 26/04/2014

Date deposited: 27/06/2014

ISSN (print): 0090-6778

ISSN (electronic): 1558-0857

Publisher: IEEE

URL: http://dx.doi.org/10.1109/TCOMM.2014.2322093

DOI: 10.1109/TCOMM.2014.2322093

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