NDLI: Performance optimisation of multiple-input multiple-output radar for mainlobe interference suppression in a spectrum sharing environment

Content Provider	IET Digital Library
Author	Chen, Cheng Li, Hongtao Hu, Heng Zhu, Xiaohua Yuan, Zeshi
Abstract	In a spectrum sharing environment, multiple-input multiple-output (MIMO) radar cannot effectively suppress mainlobe interference of the wireless communication system by adaptive beamforming. In this study, the initial phases optimisation of transmit waveforms is given to suppress the mainlobe interference for MIMO radar. Maximising the output signal-to-interference-plus-noise ratio (SINR) is employed as the optimisation criterion. Since the optimisation problem is a unimodular quadratic program which is NP-hard, three optimisation algorithms are presented to tackle it, based on the semi-definite relaxation, the phase-only variable metric and power method like iterations, respectively. Finally, the proposed methods are evaluated with computer simulations of beampttern and SINR performance.
Starting Page	1302
Ending Page	1308
Page Count	7
ISSN	17518784
Volume Number	11
e-ISSN	17518792
Issue Number	Issue 8, Aug (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/11/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2016.0482
Journal	IET Radar, Sonar & Navigation
Publisher Date	2017-04-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Electromagnetic Compatibility Interference Interference Suppression Legislation, Frequency Allocation And Spectrum Pollution Mainlobe Interference Mainlobe Interference Suppression Mainlobe Wireless Communication System MIMO Radar Multiple-input Multiple-output Radar NP-hard Optimisation Optimisation Algorithm Optimisation Technique Performance Optimisation Radar Equipment Radio Spectrum Management Semidefinite Relaxation Signal-to-interference-plus-noise Ratio SINR Performance Spectrum Sharing Environment System And Application
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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