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Utility-based opportunistic spectrum access for cognitive radio sensor networks: Joint spectrum sensing and random access control
Zheng M(郑萌); Liang W(梁炜); Yu HB(于海斌); Sharif, Hamid
作者部门工业控制网络与系统研究室
发表期刊IET Communications
ISSN1751-8628
2016
卷号10期号:9页码:1044-1052
收录类别SCI ; EI
EI收录号20162502522586
WOS记录号WOS:000378801100007
产权排序1
资助机构Natural Science Foundation of China (61304263 and 61233007) and Liaoning Provincial Natural Science Foundation of China (2014020081).
摘要This study formulates a novel optimisation problem for joint spectrum sensing and random access control (JS2RAC) in cognitive radio sensor networks (CRSNs). The JS2RAC is formulated as a network utility maximisation problem, which aims to maximise the sum of utilities over all links in the network but subject to the primary user protection constraint, the energy constraint, and the physical constraint. Due to the non-separable and non-convex nature of the JS2RAC problem, the authors propose a primal-decomposition-based iterative (PDI) algorithm which decomposes the JS2RAC problem into a spectrum sensing subproblem and a random access control subproblem, and solve the two subproblems iteratively. Then, the authors prove the convergence of the PDI algorithm and show its distributed implementation in practice. Simulations demonstrate the fast convergence and the near-optimal nature of the PDI algorithm and show its significant improvement in the network utility of CRSNs in comparison with the method of optimising spectrum sensing and random access separately.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Electrical & Electronic
关键词[WOS]ENERGY EFFICIENCY ; OPTIMIZATION ; ALLOCATION ; CONSTRAINT ; TRADEOFF ; SCHEME
WOS研究方向Engineering
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/18732
专题工业控制网络与系统研究室
通讯作者Yu HB(于海斌)
作者单位1.Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, 114 Nanta street, Shenyang 110016, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, 114 Nanta street, Shenyang 110016, China
3.Department of Computer and Electronics Engineering, University of Nebraska-Lincoln, Omaha, NE, 68182-05729, United States
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GB/T 7714
Zheng M,Liang W,Yu HB,et al. Utility-based opportunistic spectrum access for cognitive radio sensor networks: Joint spectrum sensing and random access control[J]. IET Communications,2016,10(9):1044-1052.
APA Zheng M,Liang W,Yu HB,&Sharif, Hamid.(2016).Utility-based opportunistic spectrum access for cognitive radio sensor networks: Joint spectrum sensing and random access control.IET Communications,10(9),1044-1052.
MLA Zheng M,et al."Utility-based opportunistic spectrum access for cognitive radio sensor networks: Joint spectrum sensing and random access control".IET Communications 10.9(2016):1044-1052.
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