NDLI: Generalised switching protocol of energy harvesting for enhancing the security of AF multi-antenna relaying systems

Content Provider	IET Digital Library
Author	Zhang, Ying Jiang, Xue Qin Hou, Jia Bai, En Jian Peng, Yuyang Wang, Hui Ming
Abstract	In this study, the authors propose a generalised switching protocol (GSP) for increasing the flexibility of energy harvesting (EH) protocol and enhancing the security of amplify-and-forward (AF) multi-antenna relaying system. The proposed GSP-based relaying [generalised switching relaying (GSR)] system is established with target node assisted interference and EH technologies. In phase I, while the source transmits certain signal to the relay, the destination transmits an artificial noise to interfere the passive eavesdropper. In this phase, the relay harvests energy from the two nodes. In phase II, the relay node processes the two different received signals, which are from the source and destination, then AF them by utilising the harvested energy. The authors also derive a new analytical formula for the proposed protocol on ergodic secrecy capacity. The effect of the number of relay antennas N, the source transmitted power P s , the destination transmitted power P d and EH efficiency factors η t and η p on ergodic secrecy capacity are investigated. The simulation results show that as N, P s , P d , η t and η p increase, the ergodic secrecy capacity of GSR system increases accordingly. Moreover, the GSR protocol can provide higher ergodic secrecy capacity than both time switching relaying and power splitting relaying protocols.
Starting Page	2898
Ending Page	2904
Page Count	7
ISSN	17518628
Volume Number	14
e-ISSN	17518636
Issue Number	Issue 17, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/14/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2019.0516
Journal	IET Communications
Publisher Date	2020-07-30
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	AF Multiantenna Relaying System Amplify And Forward Communication Amplify-and-forward System Antenna Array Artificial Noise Communication Switching EH Technology Electromagnetic Compatibility Energy Harvesting Energy Harvesting Protocol Ergodic Secrecy Capacity Generalised Switching Protocol GSP-based Relaying System GSR Protocol GSR System Interference Power Splitting Relaying Protocol Protocol Radio Frequency Interference Radio Link And Equipment Relay Antenna Relay Network Relay Node Process Target Node Assisted Interference Telecommunication Telecommunication Power Management Telecommunication Security Telecommunication Switching Time Switching Relaying Protocol
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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