Enhancing Secrecy Rate in Cognitive Radio Networks via Multilevel Stackelberg Game

被引：20

作者：

Al-Talabani, Ali ^{[1
]}

Deng, Yansha ^{[1
]}

Nallanathan, A. ^{[1
]}

Nguyen, Huan X. ^{[2
]}

机构：

[1] Kings Coll London, Dept Informat, London WC2R 2LS, England

[2] Middlesex Univ, Sch Sci & Technol, London NW4 4BT, England

来源：

IEEE COMMUNICATIONS LETTERS | 2016年 / 20卷 / 06期

关键词：

Cognitive radio; Cooperative; Stackelberg game; Secrecy;

D O I：

10.1109/LCOMM.2016.2541658

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this letter, physical layer (PHY) security is investigated for both primary and secondary transmissions of a cognitive radio network (CRN) that is in danger of malicious attempt by an eavesdropper (ED). In our proposed system, the secondary transmitter (ST) is acted as a trusted relay (TR) for primary transmission and the PHY security is facilitated by the cooperation between the primary transmitter (PT) and the ST using the multilevel Stackelberg game. In particular, we formulate and solve the optimization problem of maximizing secrecy rates in different phases of primary and secondary transmissions. Finally, numerical examples are provided to demonstrate that the spectrum leasing based on trading secondary access for cooperation is a promising framework for enhancing secrecy rate in CRNs.

引用

页码：1112 / 1115

页数：4

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