NDLI: Transceiver design for cooperative non-orthogonal multiple access systems with wireless energy transfer

Content Provider	IET Digital Library
Author	Sun, Ruijin Wang, Ying Wang, Xinshui Zhang, Yuan
Abstract	In this study, an energy harvesting (EH)-based cooperative non-orthogonal multiple access (NOMA) system is considered, where node S simultaneously sends independent signals to a stronger node R and a weaker node D. The authors focus on the scenario that the direct link between S and D is too weak to meet the quality of service (QoS) of D. Based on the NOMA principle, R, the stronger user, has prior knowledge about the information of the weaker user, D. To satisfy the targeted rate of D, R also serves as an EH decode-and-forward relay to forward the traffic from S to D. In the sense of equivalent cognitive radio concept, R viewed as a secondary user assists to boost D’s performance, in exchange for receiving its own information from S. Specifically, transmitter beamforming, power splitter and receiver filter are jointly designed to maximise R’s rate with the predefined QoS constraint of D and the power constraint of S. Since the problem is non-convex, they propose an iterative approach to solve it. Moreover, a zero-forcing based low-complexity solution is also presented. Simulation results demonstrate that, both two proposed schemes have better performance than the direction transmission.
Starting Page	1947
Ending Page	1955
Page Count	9
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.2016.0120
Journal	IET Communications
Publisher Date	2016-10-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Array Signal Processing Cognitive Radio Concept Computational Complexity Computational Complexity Reduction Concave Programming Cooperative Communication Decode And Forward Communication EH Decode-and-forward Relay Energy Harvesting Energy Harvesting-based Cooperative Nonorthogonal Multiple Access System Filtering Method in Signal Processing Filtering Theory Interpolation And Function Approximation Iterative Approach Iterative Method Multi-access System Multiple Access Communication NOMA Principle Nonconvex Problem Numerical Analysis Numerical Approximation And Analysis Optimisation Technique Power Splitting Ratio Optimisation QoS Quality of Service Radio Frequency Power Transmission Radio Link And Equipment Radio Transceivers Radiofrequency Filter Receiver Filter Design Relay Network Secondary User Telecommunication Transceiver Design Transmitter Beamforming Design Wireless Energy Transfer Zero-forcing Based Solution
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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