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Effect of Imperfect Channel State Information on the Performance of Cognitive Multihop Relay Networks
Blekinge Institute of Technology, School of Computing.
2013 (English)In: 2013 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM), 2013, 3458-3463 p.Conference paper, Published paper (Refereed)
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Text
Abstract [en]

Cognitive relay technology has been envisioned as a promising transmission scheme to enhance the reliability and coverage of secondary networks. However, the performance of cognitive relay networks (CRNs) is limited by the lack of accurate channel state information (CSI). As such, this paper adequately addresses the impact of imperfect CSI on the performance of cognitive multihop networks by proposing a simple yet effective backoff control power method. In addition, novel exact and asymptotic expressions for outage probability and ergodic capacity over Rayleigh fading channels are also derived. These tractable analytical results reveal new insight into the design, e.g., the number of hops for secondary network, and optimization of cognitive multihop networks.

Place, publisher, year, edition, pages
2013. 3458-3463 p.
Series
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-12336ISI: 000357299603092ISBN: 978-1-4799-1353-4 (print)OAI: oai:DiVA.org:bth-12336DiVA: diva2:940746
Conference
IEEE Global Communications Conference (GLOBECOM), DEC 09-13, 2013, Atlanta, GA
Available from: 2016-06-21 Created: 2016-06-21 Last updated: 2017-03-17Bibliographically approved

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Duong, Trung Quang

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