Joint Optimization of Power Allocation and Relay Selection for Smart Grid Neighborhood Area Networks

被引：0
|
作者：
Li, Dehua [1 ]
Chu, Xiaoli [1 ]
Zhang, Jie [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S10 2TN, S Yorkshire, England
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON SMART GRID COMMUNICATIONS (SMARTGRIDCOMM) | 2015年
关键词：
COOPERATIVE COMMUNICATION; DIVERSITY;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Reliability is one of the most important requirements for smart grid communications. Cooperative communications have been considered for smart grid communications to enhance the transmission reliability. In this paper, we propose reduced-complexity algorithms to minimize the total transmission power of cooperative communications while guaranteeing transmission reliability of the smart grid neighbourhood area network (NAN). The joint optimization of relay selection and power allocation is formulated as a combinatorial optimization problem, which has a complexity increasing exponentially with the number of available relay nodes. We simplify the optimization problem and devise two sub-optimal solutions to it. Based on the solutions, we propose two algorithms to jointly optimize the relay selection and power allocation in smart grid NANs. The simulation results demonstrate that our proposed algorithms are able to minimize the total transmission power while satisfying the transmission reliability requirement of smart grid communications.
引用
收藏
页码：217 / 222
页数：6
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