Resource Allocation for Physical Layer Security in Cooperative OFDM Networks

被引：0
|
作者：
Cai, Chunxiao [1 ]
Cai, Yueming [2 ]
Wang, Ruihua [1 ]
Yang, Weiwei [2 ]
Yang, Wendong [2 ]
机构：
[1] Inst China Elect Syst Engn Corp, Beijing 100141, Peoples R China
[2] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Jiangsu, Peoples R China
来源：
2015 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS & SIGNAL PROCESSING (WCSP) | 2015年
关键词：
Physical layer security; cooperative networks; amplify-and-forward; OFDM;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we consider the problem of resource allocation scheme for physical layer security in cooperative orthogonal frequency division multiple (OFDM) networks using amplify-and-forward (AF) strategy. To maximize the secrecy rate, the joint optimization of power allocation, subcarrier allocation and subcarrier pairing is proposed. The optimization problem can be solved efficiently by dual method. To reduce the complexity, two suboptimal algorithms are proposed. Monte Carlo simulations are carried out to validate our analysis.
引用
收藏
页数：5
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