Gridless parameter estimation for one-bit MIMO radar with time-varying thresholds

F Xi, Y Xiang, S Chen, A Nehorai - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
We investigate the one-bit MIMO (1b-MIMO) radar that performs one-bit sampling with a time-
varying threshold in the temporal domain and employs compressive sensing in the spatial …

Sub-Nyquist radar systems: Temporal, spectral, and spatial compression

D Cohen, YC Eldar - IEEE Signal Processing Magazine, 2018 - ieeexplore.ieee.org
Radar is an acronym for" radio detection and ranging." However, the functions of today's
radar systems, both in civilian and military applications, go beyond simple target detection …

Joint angle and doppler frequency estimation for MIMO radar with one-bit sampling: A maximum likelihood-based method

F Xi, Y Xiang, Z Zhang, S Chen… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We consider a multiple-input multiple-output (MIMO) radar that works through one-bit
sampling of received radar echoes. The application of one-bit sampling significantly reduces …

Low-rank Hankel matrix completion for robust time-frequency analysis

S Zhang, YD Zhang - IEEE Transactions on Signal Processing, 2020 - ieeexplore.ieee.org
In this paper, we develop a novel method to enable robust sparsity-based time-frequency
representation of multi-component frequency modulated signals in the presence of burst …

Pulse doppler processing-a novel digital technique

P Anju, AAB Raj, C Shekhar - 2020 4th International …, 2020 - ieeexplore.ieee.org
The deployment of pulse-Doppler radar becomes significant to have improved target's range
details/resolution and velocity profile. The computation associated with the process of …

BiLiMO: Bit-limited MIMO radar via task-based quantization

F Xi, N Shlezinger, YC Eldar - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
Recent years have witnessed growing interest in reduced cost radar systems operating with
low power. Multiple-input multiple-output (MIMO) radar technology is known to achieve high …

Sequence optimisation for compressed sensing CDMA MIMO radar via mutual coherence minimisation

S Nagesh, MA González‐Huici… - IET Radar, Sonar & …, 2024 - Wiley Online Library
The authors focus on the waveform design for Code Division Multiple Access Multiple Input
Multiple Output (CDMA‐MIMO) radar systems, with a specific emphasis on Compressed …

A blind stopping condition for orthogonal matching pursuit with applications to compressive sensing radar

S Chen, Z Cheng, C Liu, F Xi - Signal processing, 2019 - Elsevier
Orthogonal matching pursuit (OMP) is a popular greedy algorithm because of its simplicity
and low computational cost. In the application of OMP, one of the most important issue is to …

Sub-Nyquist Spectrum Sensing and DOA Estimation with Space-Time Trilinear Modeling

S Jiang, N Fu, Z Wei, L Qiao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the development of radar, wireless communications, remote sensing, and other fields,
the signal bandwidth is getting wider. Traditional spectrum sensing and direction of arrival …

LPI radar waveform recognition based on multi-branch MWC compressed sampling receiver

T Chen, L Liu, X Huang - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, a new wideband digital receiver based on the modulated wideband converter
compressed sampling (CS) system is proposed to replace a conventional wideband digital …