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Erschienen in: Wireless Personal Communications 2/2014

01.01.2014

Switched-Diversity Approach for Cognitive Scheduling

Erschienen in: Wireless Personal Communications | Ausgabe 2/2014

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Abstract

This article investigates the scheduling of secondary users in a spectrum-sharing cognitive environment under the primary user’s outage probability constraint. A switched-diversity combining approach to schedule the secondary users is explored. Specifically, switch-and-examine, switch-and-stay, selection-combining, and post-selection scheduling algorithms are investigated. Secondary users’ average performance measures are derived for the scheduling algorithms and compared against those of a single-user cognitive system. Results of this work illustrate the trade-off between the complexity of a scheduling algorithm and its average performance.

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Metadaten
Titel
Switched-Diversity Approach for Cognitive Scheduling
Publikationsdatum
01.01.2014
Erschienen in
Wireless Personal Communications / Ausgabe 2/2014
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-1331-5

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