NDLI: Secure transmission in the random cognitive radio networks with secrecy guard zone and artificial noise

Content Provider	IET Digital Library
Author	Cai, Yueming Xu, Xiaoming Yang, Weiwei
Abstract	The authors study the secure transmission design in random cognitive radio networks where the primary users, the secondary users and the eavesdroppers are randomly distributed according to Poisson point processes. Centring on this scenario, the authors propose a simple and decentralised secure transmission scheme by jointly incorporating the secrecy guard zone and artificial noise. In particular, this transmission scheme helps to enhance secrecy performance via differentiating between secondary transmitters in accordance with the eavesdropping environment. They then analyse the connection outage and secrecy outage performance of the secondary network, based on which they obtain the closed-form expression of the secrecy throughput. They further determine the optimal transmission power of the secondary transmitters and the optimal power allocation between the information-bearing signal and artificial noise to maximise the secrecy throughput of the secondary network under primary and secondary outage constraints. The authors’ analysis highlights that introducing secrecy guard zone provides better security performance, and artificial noise performs as additional interference to insert a control between the reliability and security. Numerical results show how the system parameters affect the achievable maximum secrecy throughput, the optimal transmission power and the optimal power allocation between the information-bearing signal and the artificial noise.
Starting Page	1904
Ending Page	1913
Page Count	10
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 15, Oct (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0117
Journal	IET Communications
Publisher	The Institution of Engineering and Technology
Publisher Date	2016-10-13
Access Restriction	Open
Rights License	Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Subject Keyword	Artificial Noise Closed-form Expression Cognitive Radio Connection Outage Performance Data Security Decentralised Secure Transmission Scheme Eavesdroppers Information-bearing Signal Large-scale Random Cognitive Radio Network Optimal Power Allocation Optimal Transmission Power Determination Poisson Point Processes Primary Outage Constraint Primary User Radio Link And Equipment Radio Transmitters Random Distribution Random Processes Reliability Secondary Outage Constraint Secondary Transmitters Secondary User Secrecy Guard Zone Secrecy Outage Performance Secrecy Performance Enhancement Secrecy Throughput Maximisation Secure Transmission Design Statistics Stochastic Linearised SCUC Telecommunication Network Reliability Telecommunication Security
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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