Structured Nyquist correlation reconstruction for DOA estimation with sparse arrays

C Zhou, Y Gu, Z Shi, M Haardt - IEEE Transactions on Signal …, 2023 - ieeexplore.ieee.org
Sparse arrays are known to achieve an increased number of degrees-of-freedom (DOFs) for
direction-of-arrival (DOA) estimation, where an augmented virtual uniform array calculated …

Coarray tensor direction-of-arrival estimation

H Zheng, C Zhou, Z Shi, Y Gu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Augmented coarrays can be derived from spatially undersampled signals of sparse arrays
for underdetermined direction-of-arrival (DOA) estimation. With the extended dimension of …

Direction-of-arrival estimation for coprime array via virtual array interpolation

C Zhou, Y Gu, X Fan, Z Shi, G Mao… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Coprime arrays can achieve an increased number of degrees of freedom by deriving the
equivalent signals of a virtual array. However, most existing methods fail to utilize all …

4D automotive radar sensing for autonomous vehicles: A sparsity-oriented approach

S Sun, YD Zhang - IEEE Journal of Selected Topics in Signal …, 2021 - ieeexplore.ieee.org
We propose a high-resolution imaging radar system to enable high-fidelity four-dimensional
(4D) sensing for autonomous driving, ie, range, Doppler, azimuth, and elevation, through a …

Ziv-Zakai bound for DOAs estimation

Z Zhang, Z Shi, Y Gu - IEEE Transactions on Signal Processing, 2022 - ieeexplore.ieee.org
Lower bounds on the mean square error (MSE) play an important role in evaluating the
direction-of-arrival (DOA) estimation performance. Among numerous bounds for DOA …

Deep networks for direction-of-arrival estimation in low SNR

GK Papageorgiou, M Sellathurai… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this work, we consider direction-of-arrival (DoA) estimation in the presence of extreme
noise using Deep Learning (DL). In particular, we introduce a Convolutional Neural Network …

MISC array: A new sparse array design achieving increased degrees of freedom and reduced mutual coupling effect

Z Zheng, WQ Wang, Y Kong… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Recently, nested and coprime arrays have attracted considerable interest due to their
capability of providing increased array aperture, enhanced degrees of freedom (DOFs), and …

Three more decades in array signal processing research: An optimization and structure exploitation perspective

M Pesavento, M Trinh-Hoang… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
The signal processing community is currently witnessing the emergence of sensor array
processing and direction-of-arrival (DoA) estimation in various modern applications, such as …

Augmented multi-subarray dilated nested array with enhanced degrees of freedom and reduced mutual coupling

H Chen, H Lin, W Liu, Q Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Sparse linear arrays (SLAs) can be designed in a systematic way, with the ability for
underdetermined DOA estimation where a greater number of sources can be detected than …

Adaptive virtual waveform design for millimeter-wave joint communication–radar

P Kumari, SA Vorobyov… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Joint communication and radar (JCR) waveforms with fully digital baseband generation and
processing can now be realized at the millimeter-wave (mmWave) band. Prior work has …