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Effect of Imperfect Channel State Information on the Performance of Cognitive Multihop Relay Networks
Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation.
2013 (engelsk)Inngår i: 2013 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM), 2013, s. 3458-3463Konferansepaper, Publicerat paper (Fagfellevurdert)
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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.

sted, utgiver, år, opplag, sider
2013. s. 3458-3463
Serie
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
HSV kategori
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URN: urn:nbn:se:bth-12336ISI: 000357299603092ISBN: 978-1-4799-1353-4 (tryckt)OAI: oai:DiVA.org:bth-12336DiVA, id: diva2:940746
Konferanse
IEEE Global Communications Conference (GLOBECOM), DEC 09-13, 2013, Atlanta, GA
Tilgjengelig fra: 2016-06-21 Laget: 2016-06-21 Sist oppdatert: 2017-03-17bibliografisk kontrollert

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Totalt: 135 treff
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