NDLI: Efficient low-PAR radar waveform design method based on the alternating direction method of multipliers for multiple missions

Content Provider	IET Digital Library
Author	Hao, Tianduo Cui, Chen Gong, Yang Li, Yuncheng
Abstract	This study addresses the low-peak-to-average power ratio (PAR) radar waveform design problem to optimise the detection and estimation performance simultaneously in the presence of signal-dependent clutter. The aim is to realise an effective trade-off between maximising the output signal-to-interference-plus-noise ratio (SINR) and mutual information (MI) under a low-PAR constraint. In the existing method, this problem is solved via convex optimisation, but the high computational complexity of this method limits its application. Motivated by the decomposability and superior convergence of the alternating direction method of multipliers, the authors propose an efficient method to obtain the optimal waveform by converting the original non-convex problem into simpler convex sub-problems that can be solved efficiently. The simulation results illustrate that the optimal waveform can be obtained efficiently within the given low-PAR range and that the synthesised waveform can provide a reasonable trade-off between the detection and estimation performances. Compared with the existing method, the proposed method has reduced computational complexity without SINR and MI performance degradations.
Starting Page	392
Ending Page	401
Page Count	10
ISSN	17518784
Volume Number	13
e-ISSN	17518792
Issue Number	Issue 3, Mar (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/13/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2018.5093
Journal	IET Radar, Sonar & Navigation
Publisher Date	2018-11-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alternating Direction Method Computational Complexity Concave Programming Convex Optimisation Convex Programming Detection Efficient Low-PAR Radar Waveform Design Method Estimation Performance Existing Method Low-PAR Constraint Low-PAR Range Low-peak-to-average Power Ratio Radar Waveform Design Problem Multiple Missions Multipliers Mutual Information Nonconvex Problem OFDM Modulation Optimal Waveform Optimisation Optimisation Technique Radar Clutter Radar Equipment Radar Signal Processing Signal-dependent Clutter Simpler Convex Sub-problems Statistics Synthesised Waveform System And Application
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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