NDLI: Power-splitting relaying protocol for wireless energy harvesting and information processing in NOMA systems

Content Provider	IET Digital Library
Author	Tran, Huu Q. Nguyen, Tien Tung Phan, Ca V. Vien, Quoc Tuan
Abstract	Non-orthogonal multiple access (NOMA) along with cooperative communications have been recognised as promising candidates for the fifth generation (5G) wireless networks and have attracted many researchers. Every networked device however has its own limited power supply. To this extent, this study investigates a power-splitting relaying (PSR) protocol for wireless energy harvesting (EH) and information processing in the NOMA systems to prolong the lifetime of the energy constrained relay nodes in wireless networks so as to avail the ambient radio-frequency (RF) signal as well as to simultaneously harvest the energy and process the information. Decode-and-forward relaying is employed at the relay node where the energy from the received RF signal is harvested and exploited to forward the information to the destination. Specifically, the outage probability and ergodic rate of the PSR protocol are derived to realise the impacts of EH time, EH efficiency, power splitting ratio, source data rate, and the distance between nodes. It is shown that an outperformance in terms of the energy efficiency is achieved with an increased EH efficiency and the employment of the NOMA when compared to the conventional orthogonal multiple access.
Starting Page	2132
Ending Page	2140
Page Count	9
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 14, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5897
Journal	IET Communications
Publisher Date	2019-05-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Ambient Radio-frequency Signal Amplify And Forward Communication Conventional Orthogonal Multiple Access Cooperative Communication Decode And Forward Communication EH Time Energy Efficiency Energy Harvesting Energy-constrained Relay Node Fifth Generation Wireless Network Forward Relaying Increased EH Efficiency Result Information Processing Mobile Radio System Networked Device NOMA System Nonorthogonal Multiple Access Optimisation Technique Power Splitting Ratio Power Supply Power-splitting Relaying Protocol Probability Promising Candidates Protocol PSR Protocol Radio Link And Equipment Radio Receiver Received RF Signal Relay Network Relay Node Reliability Statistics Telecommunication Telecommunication Network Reliability Telecommunication Power Management Wireless Energy Harvesting
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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