NDLI: Motion compensation for TDM MIMO radar by sparse reconstruction

Content Provider	IET Digital Library
Author	Hu, Xueyao Lu, Man Li, Yang Wang, Yanhua
Abstract	A motion-compensation method that applies sparse reconstruction (SR) to reconstruct the Doppler spectrum of targets based on a random transmission scheme is proposed for time-division multiplexing (TDM) multiple-input multiple-output (MIMO) radar. Since the random transmission can eliminate the characteristic of periodic time-delay in conventional TDM scheme between transmit cycles, the angle information of a target is not affected by its motion. Therefore, the angle and velocity are no longer coupled with each other and can be estimated separately. This method not only overcome the space–frequency coupling problem but also enhances the unambiguous Doppler interval. Another advantage is that the method is valid even when the estimated target velocity is ambiguous. The results reported here offer the possibility of utilising SR to solve conventional TDM MIMO problems. The effectiveness of the proposed method is demonstrated by experimental results.
Starting Page	1604
Ending Page	1606
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 24, Nov (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/24
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.3524
Journal	Electronics Letters
Publisher Date	2017-10-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Angle Information Doppler Spectrum Reconstruction Image Reconstruction MIMO Radar Motion Compensation Motion-compensation Method Multiple-input Multiple-output Radar Optical, Image And Video Signal Processing Periodic Time-delay Radar Equipment Radar Imaging Random Transmission Scheme Space-frequency Coupling Problem Sparse Reconstruction System And Application TDM MIMO Radar Time Division Multiplexing Time-division Multiplexing Transmit Cycles
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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