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Erschienen in: Wireless Personal Communications 3/2013

01.12.2013

Performance of Cognitive Radios in Dynamic Fading Channels Under Primary Outage Constraint

verfasst von: Abdallah K. Farraj, Sabit Ekin

Erschienen in: Wireless Personal Communications | Ausgabe 3/2013

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Abstract

This article investigates the performance of a cognitive user in a dynamic fading environment. The cognitive user communicates, using a spectrum-sharing technology, over a channel reserved to a primary user (PU). The transmit power of the cognitive user satisfies the outage probability constraint of the PU. The channels of the primary and cognitive users experience independent and non-identically distributed fading models. Nakagami-\(m\) and hyper-Nakagami-\(m\) channel fading models are specifically considered. The cognitive user’s mean transmit power, channel capacity, and bit error rate are derived for this setup. In addition, numerical results are presented to verify the theoretical analysis and investigate the effects of the parameters of the communication environment on the performance measures of the cognitive user.

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Metadaten
Titel
Performance of Cognitive Radios in Dynamic Fading Channels Under Primary Outage Constraint
verfasst von
Abdallah K. Farraj
Sabit Ekin
Publikationsdatum
01.12.2013
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2013
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-1207-8

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