NDLI: Joint design of interference alignment and power splitting in SWIPT networks

Content Provider	IET Digital Library
Author	Chen, Yan Liu, Chen Fu, Youhua Song, Yunchao Sun, Wenfeng
Abstract	In this study, the authors investigate the joint design problem of interference alignment (IA) and power splitting (PS) in simultaneous wireless information and power transfer (SWIPT) networks. The existing joint design method is generally divided into two steps. First, IA is performed, and then the PS ratio is optimised. To obtain IA and SWIPT, a new joint design multi-objective alternating optimisation (MOAO) algorithm is proposed. Different from the existing joint design method, the proposed MOAO algorithm not only maximises the sum harvested power after PS, but also maximises the sum signal-to-intereference-plus-noise ratio (SINR) by jointly designing the transmitting precoding matrices, the receiving interference suppression matrices, and the PS ratio. For this multi-objective optimisation problem, a weighted optimisation method is proposed, which compromises between maximising the sum harvested power and maximising the sum SINR. Simulation validates that the sum achievable rate and sum harvested power of the proposed MOAO algorithm are significantly superior to those of the current scheme under the reasonable weighting coefficients.
Starting Page	412
Ending Page	419
Page Count	8
ISSN	17518628
Volume Number	14
e-ISSN	17518636
Issue Number	Issue 3, Feb (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/14/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2019.0674
Journal	IET Communications
Publisher Date	2019-10-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Algebra Code Electromagnetic Compatibility Energy Harvesting Graph Theory Interference Interference Alignment Interference Suppression Joint Design Multiobjective Alternating Optimisation Matrix Algebra MIMO Communication MOAO Algorithm Multiobjective Optimisation Problem Optimisation Optimisation Technique Power Splitting Precoding PS Ratio Radio Frequency Interference Radio Frequency Power Transmission Radio Link And Equipment Receiving Interference Suppression Matrix Set Theory Simultaneous Wireless Information And Power Transfer SINR Sum Harvested Power Sum Signal-to-intereference-plus-noise Ratio SWIPT Network Telecommunication Power Management Transmitting Precoding Matrix Weighted Optimisation Method
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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