Power Allocation for Cognitive Relay Systems

被引：0
|
作者：
Fan, Lina [1 ]
Wang, Jinkuan [2 ]
Gao, Jing [1 ]
机构：
[1] Northeastern Univ Qinhuangdao, Engineer Optimizat & Smart Antenna Inst, Qin Huang Dao, Peoples R China
[2] Northeastern Univ, Shenyang, Peoples R China
来源：
PROCEEDINGS OF THE 2016 12TH WORLD CONGRESS ON INTELLIGENT CONTROL AND AUTOMATION (WCICA) | 2016年
关键词：
RADIO SYSTEMS; SELECTION; NETWORKS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, the power allocation problem for Orthogonal frequency division multiplexing(OFDM)-based relay cognitive radio systems is investigated. An optimization power allocation algorithm is developed. In the algorithm, objective function is studied and simplified. The channel capacity of secondary users is maximized while keeping the total interference introduced to primary user less than a given threshold with a specified power. Compared to the optimal algorithm and the average power allocation algorithm, the proposed algorithm is close to the optimal algorithm and has a better performance than average power allocation algorithm, and has low complexity.
引用
收藏
页码：2638 / 2641
页数：4
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