NDLI: Electronic countermeasure for OFDM-based imaging passive radars

Content Provider	IET Digital Library
Author	Giusti, Elisa Capria, Amerigo Martorella, Marco Moscardini, Christian Berizzi, Fabrizio
Abstract	Passive radars are notoriously robust to jamming because the receiver location cannot be detected. Moreover, the use of Orthogonal Frequency Division Multiplexing (OFDM)-based reference signals further improves the robustness against jammers. Nevertheless, deception/spoofing-type of jamming may still be possible. This article aims at proposing an electronic countermeasure (ECM) for OFDM-based passive radars with radar-imaging capabilities. Here, a target-on-board deception jammer is proposed that aims at protecting the target itself from being identified when passive radar imaging is used. A design of the architecture of the proposed target-borne jamming system is provided, which includes COmmercial of The Shelf (COTS) devices that are able to sample a broadband signal, modulate it in amplitude and phase, and retransmit it with a very short time delay. Theoretical and simulation results are also given proving that imaging and precise location of non-cooperative targets can be both affected by the presence of false and/or altered phase-modulated target echoes.
Starting Page	1458
Ending Page	1467
Page Count	10
ISSN	17518784
Volume Number	13
e-ISSN	17518792
Issue Number	Issue 9, Sep (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/13/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2018.5629
Journal	IET Radar, Sonar & Navigation
Publisher Date	2019-03-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Altered Phase Modulated Target Echoes Article Aims Broadband Signal Deception/spoofing-type Electromagnetic Compatibility Electronic Countermeasure Electronic Countermeasures False Altered Phase-modulated Target Echoes Interference Jammers Jamming Modulation And Coding Method Noncooperative Targets OFDM Modulation OFDM-based Passive Radars OFDM-based Reference Signal Optical, Image And Video Signal Processing Passive Radar Passive Radar Imaging Precise Location Radar Equipment Radar Imaging Radar-imaging Capabilities Receiver Location Signal Processing And Detection System And Application Target-borne Jamming System Target-on-board Deception Jammer
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
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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