Optimal power allocation based on power cost in relay system

被引：0
|
作者：
Qu, Xi-Qiang [1 ,2 ,3 ]
Xu, Xiao-Dong [1 ,2 ]
Li, Hong-Jia [1 ,2 ]
Tao, Xiao-Feng [1 ,2 ]
Tian, Hui [1 ,2 ]
机构：
[1] Key Laboratory of Universal Wireless Communication, Beijing University of Posts and Telecommunications, Beijing 100876, China
[2] Wireless Technology Innovation Institute, Beijing University of Posts and Telecommunications, Beijing 100876, China
[3] School of Information and Communication Engineering, North University of China, Taiyuan 030051, China
来源：
Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications | 2010年 / 33卷 / 06期
关键词：
Probability; -; Costs; Outages;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Different fashions of power supply have different power prices. In order to reduce power cost in mobile communication network, an algorithm is proposed to minimize the outage probability based on power cost. It subjects to the constraint of power cost. The Lagrange multiplier maximization method is used to solve the problem. Simulation shows that whether dual-hop or multi-hop transmission, the power prices of different nodes are not the same, the optimal power allocation based on power cost has lower cost compare than the optimal power allocation in the case of uniform outage probability. Whereas, the former has lower outage probability in the case of uniform power cost. The contrast is more obvious with the gap of power prices enlarges.
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页码：21 / 24
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