Secrecy Energy Efficiency Maximization in a NOMA System

被引：2

作者：

Yao, Rugui ^{[1
]}

Yao, Lukun ^{[1
]}

Zuo, Xiaoya ^{[1
]}

Qi, Nan ^{[2
]}

Liu, Yinsheng ^{[3
,4
]}

Xu, Juan ^{[5
]}

机构：

[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian, Shaanxi, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing, Jiangsu, Peoples R China

[3] Beijing Jiaotong Univ, State Key Lab Rail Traff Control & Safety, Beijing, Peoples R China

[4] Southeast Univ, Safety & Natl Mobile Commun Res Lab, Nanjing, Jiangsu, Peoples R China

[5] Changan Univ, Sch Elect & Control Engn, Xian, Shaanxi, Peoples R China

来源：

2019 IEEE 11TH INTERNATIONAL CONFERENCE ON COMMUNICATION SOFTWARE AND NETWORKS (ICCSN 2019) | 2019年

基金：

中国国家自然科学基金;

关键词：

Power allocation; Non-orthogonal multiple access (NOMA); Secrecy energy efficiency (SEE); NONORTHOGONAL MULTIPLE-ACCESS; CHALLENGES;

D O I：

10.1109/iccsn.2019.8905336

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

In this paper, for the downlink of a non-orthogonal multiple access (NOMA) system, the power allocation scheme is proposed for the legitimate users. Attaching importance to the physical layer security and the green requirements of 5G, the secrecy energy efficiency (SEE) has first been defined. Then, we formulate an optimization problem, where each user's power allocation factor and total power allocation factor are determined. For reducing the computational complexity, we decouple the optimization problem into two concatenate subproblems and solve them one by one. Finally, some numerical results are presented to validate our proposed power allocation algorithm.

引用

页码：106 / 110

页数：5

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