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 (DOA) is one of the essential topics in array signal processing that has many applications in communications, smart antennas, seismology, acoustics, radars, and …
Semantic communications can reduce the resource consumption by transmitting task-related semantic information extracted from source messages. However, when the source …
W Shi, SA Vorobyov, Y Li - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
Existing sparse array (SA) geometries, such as coprime and nested arrays, can be regarded as a concatenation of two uniform linear arrays (ULAs). Such arrays lead to a significant …
H Zheng, C Zhou, Z Shi, Y Gu - IEEE Signal Processing Letters, 2022 - ieeexplore.ieee.org
Existing tensor-based coherent direction-of-arrival (DOA) estimation methods adopting spatial smoothing to decorrelate the coherent tensor statistics usually lead to a poor …
L Wan, M Zhang, X Li, L Sun, X Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Centrality is an effective method to identify important nodes in complex networks, but it is still a challenge to find influential nodes by making full use of multiple relationships and global …
YUE Yaxing, LI Tianyu, Z Chengwei, Y Xin, SHI Zhiguo - 雷达学报, 2022 - radars.ac.cn
As compared with sparse scalar arrays and uniform diversely polarized arrays, sparse diversely polarized arrays show respectively advantages of possessing the ability of sensing …
Direction-of-arrival (DOA) estimation using sub-Nyquist tensor signals benefits from enhanced performance by extracting structural angular information with multi-dimensional …
LP Qian, C Wang, Q Wang, M Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The orthogonal frequency-division multiplexing (OFDM) is widely used in modern radio communications because of its efficient spectrum utilization. As we know, the adaptive …