NDLI: Secrecy rate maximisation for non-linear energy harvesting relay networks with cooperative jamming and imperfect channel state information

Content Provider	IET Digital Library
Author	Zhou, Nanrun Wan, Biao Gong, Lihua
Abstract	The secrecy performance of a wireless-powered relaying system is investigated in the presence of imperfect channel state information. To improve the system secrecy performance, the destination splits a part of power to transmit the cooperative interference signal while the source transmits confidential information to the relay. The relay is assumed to be equipped with a non-linear energy harvester and to harvest energy from the source and destination for information processing. A joint power splitting and time allocation scheme is studied to maximise the system secrecy rate. The joint optimisation problem is dealt with by the interior-point method. For the sake of comparison, the equal time allocation scheme and the equal power splitting scheme are also investigated. The numerical results verify that the proposed scheme could achieve higher secrecy rate.
Starting Page	923
Ending Page	929
Page Count	7
ISSN	17518628
Volume Number	14
e-ISSN	17518636
Issue Number	Issue 6, Apr (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/14/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2019.0448
Journal	IET Communications
Publisher Date	2019-12-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplify And Forward Communication Confidential Information Cooperative Communication Electromagnetic Compatibility Energy Harvesting Equal Power Splitting Scheme Equal Time Allocation Scheme Higher Secrecy Rate Imperfect Channel State Information Information Processing Interference Jamming Joint Power Splitting Nonlinear Energy Harvester Optimisation Optimisation Technique Radio Link And Equipment Relay Network Secrecy Rate Maximisation System Secrecy Performance System Secrecy Rate Telecommunication Telecommunication Security Wireless-powered Relaying System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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