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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 4/2013

01.10.2013

Performance Evaluation of Secondary Users Operating on a Heterogeneous Spectrum Environment

verfasst von: Mohamed A. Kalil, Hassan Al-Mahdi, Andreas Mitschele-Thiel

Erschienen in: Wireless Personal Communications | Ausgabe 4/2013

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Abstract

Radio spectrum is a limited natural resource and with the increasing number of wireless devices, an efficient spectrum management concept to make a better utilization of this resource is essential. Opportunistic spectrum access (OSA) concept is a solution to increase the spectrum capacity and thus reducing the data collision for wireless ad hoc networks. Cognitive radio (CR) technology is developed to realize OSA. Based on CR, the secondary users access opportunistically the spectrum owned by primary users. However, the consequence appearance of primary users affects greatly the performance of secondary users within OSA. Thus, a new spectrum management scheme is a must to reduce such effect. In this paper, a new spectrum management scheme over a heterogeneous spectrum environment is proposed. The proposed scheme is based on using channels from both licensed and unlicensed bands as spectrum environment for ad hoc networks. An analytical model based on Markov chains is developed to evaluate the proposed scheme.
Vorheriger Artikel Optimization of Time-Domain Combining Cooperative Spectrum Sensing in Cognitive Radio Networks
Nächster Artikel A Blind LCMV-Based CFO Estimation for MC-CDMA Systems Over Multipath Fading Channels

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Metadaten
Titel
Performance Evaluation of Secondary Users Operating on a Heterogeneous Spectrum Environment
verfasst von
Mohamed A. Kalil
Hassan Al-Mahdi
Andreas Mitschele-Thiel
Publikationsdatum
01.10.2013
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 4/2013
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-1147-3

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