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 …

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 …

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 …

A low-complexity MIMO dual function radar communication system via one-bit sampling

S Zhu, F Xi, S Chen, A Nehorai - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
Dual-function radar-communication (DFRC) system is flexible to be applied in a variety of
scenarios. However, it is challenging to implement a low-cost low-complexity DFRC system …

One-bit LFM signal recovery via random threshold strategy

LB Guo, JL Tang, YY Dong, CX Dong - Digital Signal Processing, 2021 - Elsevier
This paper addresses the harmonic problem in one-bit linear frequency modulation (LFM)
signal recovery. We develop a novel quantization strategy with random thresholds to …

Bit-Limited Sub-Nyquist Pulse-Doppler Radar

Y Wang, F Xi, S Chen, Z Liu - IEEE Transactions on Aerospace …, 2024 - ieeexplore.ieee.org
Pulse-Doppler (PD) radars, which prefer to operate with large bandwidth signals to attain
superior range resolution, are widely used due to their superior performance in target …

Improved CRB for millimeter-wave radar with 1-bit ADCs

KU Mazher, A Mezghani… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Millimeter-wave is widely used for consumer radar applications like driver assistance
systems in automated vehicles and gesture recognition in touch-free interfaces. To cope with …

Direction finding of electromagnetic sources on a sparse cross-dipole array using one-bit measurements

Z Cheng, S Chen, Q Shen, J He, Z Liu - IEEE Access, 2020 - ieeexplore.ieee.org
Sparse array arrangement has been widely used in vector-sensor arrays because of
increased degree-of-freedoms for identifying more sources than sensors. For large-size …

LiQuiD-MIMO Radar: Distributed MIMO Radar with Low-Bit Quantization

Y Xiang, F Xi, S Chen - ICASSP 2023-2023 IEEE International …, 2023 - ieeexplore.ieee.org
Distributed MIMO radar is known to achieve superior sensing performance by employing
widely separated antennas. However, it is challenging to implement a low-complexity …

Low resolution millimeter wave radar: Bounds and performance

KU Mazher, A Mezghani… - 2018 52nd Asilomar …, 2018 - ieeexplore.ieee.org
Millimeter wave is widely used for consumer radar applications like driver assistance
systems in automated vehicles and gesture recognition. To cope with the increased …