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Wireless Networks
Erschienen in: Wireless Networks 4/2015

01.05.2015

Channel capacity in fading environment with CSI and interference power constraints for cognitive radio communication system

verfasst von: Shweta Pandit, G. Singh

Erschienen in: Wireless Networks | Ausgabe 4/2015

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Abstract

In this paper, we have numerically computed the channel capacity in fading environment under average interference power constraint with two different adaptation policies for the spectrum sharing in cognitive radio communication systems such as power adaptation and rate and power adaptation for multilevel quadrature amplitude modulation format. However, the small scale fading effect over the transmit power of the secondary transmitter is explored. The rate and power of secondary transmitter is varied based upon the sensing information and channel state information of the secondary link. The channel capacity is maximized for these two policies by considering the Lagrange optimization problem for average interference power constraint.
Vorheriger Artikel Minimizing tardiness in data aggregation scheduling with due date consideration for single-hop wireless sensor networks
Nächster Artikel A lossy channel aware parameterisation of a novel security protocol for wireless IP-enabled sensors

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Metadaten
Titel
Channel capacity in fading environment with CSI and interference power constraints for cognitive radio communication system
verfasst von
Shweta Pandit
G. Singh
Publikationsdatum
01.05.2015
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 4/2015
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-014-0849-0

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