Enhanced Power Allocation and Relay Selection Scheme in Two-Way Relaying Cognitive Radio Networks

Dong Chen; Xiang Li; Li Ping Su; Jin Liang

doi:10.4028/www.scientific.net/AMM.397-400.1979

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400Enhanced Power Allocation and Relay Selection...

Enhanced Power Allocation and Relay Selection Scheme in Two-Way Relaying Cognitive Radio Networks

Abstract:

This paper addresses the enhanced power allocation (PA) and relay selection scheme (RS) in two-way relaying cognitive radio networks consisting of multiple user-pairs and multiple relays. In order to reduce the computational complexity for practical scenario, we propose a branch and bound based (BnB-based) power allocation and relay selection scheme and a greedy power allocation and relay selection scheme to maximize the system throughput. Simulation results show that the proposed BnB-based PA and RS scheme can achieve better tradeoff of system throughput and complexity.

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Applied Mechanics and Materials (Volumes 397-400)

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1979-1983

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https://doi.org/10.4028/www.scientific.net/AMM.397-400.1979

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September 2013

Authors:

Dong Chen, Xiang Li*, Li Ping Su, Jin Liang

Keywords:

Cognitive Radio Network, Power Allocation, Relay Selection, Two-Way Relaying

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