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Power control for cooperative dynamic spectrum access networks with diverse QoS constraints

Authors:

Nikolaos Gatsis,

Antonio G. Marques,

Georgios B. GiannakisAuthors Info & Claims

IEEE Transactions on Communications, Volume 58, Issue 3

Pages 933 - 944

https://doi.org/10.1109/TCOMM.2010.03.080491

Published: 01 March 2010 Publication History

Abstract

Dynamic spectrum access (DSA) is an integral part of cognitive radio technology aiming at efficient management of the available power and bandwidth resources. The present paper deals with cooperative DSA networks, where collaborating terminals adhere to diverse (maximum and minimum) quality-of-service (QoS) constraints in order to not only effect hierarchies between primary and secondary users but also prevent abusive utilization of the available spectrum. Peer-to-peer networks with co-channel interference are considered in both single-and multi-channel settings. Utilities that are functions of the signal-to-interference-plus-noise ratio (SINR) are employed as QoS metrics. By adjusting their transmit power, users can mitigate the generated interference and also meet the QoS requirements. A novel formulation accounting for heterogeneous QoS requirements is obtained after introducing a suitable relaxation and recasting a constrained sum-utility maximization as a convex optimization problem. The optimality of the relaxation is established under general conditions. Based on this relaxation, an algorithm for optimal power control that is amenable to distributed implementation is developed, and its convergence is established. Numerical tests verify the analytical claims and demonstrate performance gains relative to existing schemes.

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Cited By

Xu YHu YChen QChai RLi G(2017)Distributed Resource Allocation for Cognitive HetNets with Cross-Tier Interference Constraint2017 IEEE Wireless Communications and Networking Conference (WCNC)10.1109/WCNC.2017.7925718(1-6)Online publication date: 19-Mar-2017
https://dl.acm.org/doi/10.1109/WCNC.2017.7925718
Tsiropoulos GDobre OAhmed MBaddour K(2016)Radio Resource Allocation Techniques for Efficient Spectrum Access in Cognitive Radio NetworksIEEE Communications Surveys & Tutorials10.1109/COMST.2014.236279618:1(824-847)Online publication date: 27-Jan-2016
https://dl.acm.org/doi/10.1109/COMST.2014.2362796
Sorooshyari STan CChiang M(2012)Power control for cognitive radio networksIEEE/ACM Transactions on Networking10.1109/TNET.2011.216998620:3(878-891)Online publication date: 1-Jun-2012
https://dl.acm.org/doi/10.1109/TNET.2011.2169986

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Published In

cover image IEEE Transactions on Communications

IEEE Transactions on Communications Volume 58, Issue 3

March 2010

286 pages

ISSN:0090-6778

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IEEE Press

Publication History

Published: 01 March 2010

Revised: 22 June 2009

Received: 21 September 2008

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Cited By

Xu YHu YChen QChai RLi G(2017)Distributed Resource Allocation for Cognitive HetNets with Cross-Tier Interference Constraint2017 IEEE Wireless Communications and Networking Conference (WCNC)10.1109/WCNC.2017.7925718(1-6)Online publication date: 19-Mar-2017
https://dl.acm.org/doi/10.1109/WCNC.2017.7925718
Tsiropoulos GDobre OAhmed MBaddour K(2016)Radio Resource Allocation Techniques for Efficient Spectrum Access in Cognitive Radio NetworksIEEE Communications Surveys & Tutorials10.1109/COMST.2014.236279618:1(824-847)Online publication date: 27-Jan-2016
https://dl.acm.org/doi/10.1109/COMST.2014.2362796
Sorooshyari STan CChiang M(2012)Power control for cognitive radio networksIEEE/ACM Transactions on Networking10.1109/TNET.2011.216998620:3(878-891)Online publication date: 1-Jun-2012
https://dl.acm.org/doi/10.1109/TNET.2011.2169986

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