Adaptive detection; clutter subspace; distributed MIMO radar; GLRT; indoor sensing; Software; Signal Processing; Electrical and Electronic Engineering
Abstract :
[en] In this paper, we present a generic signal model applicable to various distributed radar setups, encompassing both phased array (PA) and MIMO radar configurations. We consider a range of waveform modulation methods, including TDM, BPM, DDM, and fast time CDM. We devise a GLRT based detector for scenarios where the interference consists of colored noise plus a signal in a low-rank subspace and prove that the designed detector is CFAR. We demonstrate that when the CPI time is similar for the systems, the PA radar system exhibits better detection performance than MIMO, irrespective of the waveform modulation approach adopted. However, if the CPI time of the PA system is divided to the number of transmit waveforms utilized in the MIMO radar case (to account for the time needed for a PA radar to scan all angles), then in the presence of non-uniform interference, MIMO techniques, except TDM, surpass the performance of PA. Conversely, in cases of uniform interference, the performance of both MIMO techniques and PA are equivalent.
Disciplines :
Electrical & electronics engineering
Author, co-author :
AHMADI, Moein ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
Alaee-Kerahroodi, Mohammad; Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg
WU, Linlong ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
Bhavani Shankar, M.R.; Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg
Ottersten, Björn; Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg
External co-authors :
no
Language :
English
Title :
DETECTOR DESIGN FOR DISTRIBUTED MULTICHANNEL RADAR SENSORS IN COLORED INTERFERENCE ENVIRONMENTS
Publication date :
14 April 2024
Event name :
ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Event place :
Seoul, Kor
Event date :
14-04-2024 => 19-04-2024
Main work title :
2024 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2024 - Proceedings
Publisher :
Institute of Electrical and Electronics Engineers Inc., United States
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