Results 101 to 110 of about 82,734 (197)

Near-Space Communications: The Last Piece of 6G Space–Air–Ground–Sea Integrated Network Puzzle

Space: Science & Technology
This article presents a comprehensive study on the emerging near-space communications (NS-COM) within the context of space–air–ground–sea integrated network (SAGSIN).
Hongshan Liu, Tong Qin, Zhen Gao, Tianqi Mao, Keke Ying, Ziwei Wan, Li Qiao, Rui Na, Zhongxiang Li, Chun Hu, Yikun Mei, Tuan Li, Guanghui Wen, Lei Chen, Zhonghuai Wu, Ruiqi Liu, Gaojie Chen, Shuo Wang, Dezhi Zheng   +18 more
doaj   +1 more source

Super-Resolution DOA Estimation for Multi Frequency Signals of Polarization Sensitive Array Based on Atomic Norm Minimization

IEEE Open Journal of Signal Processing
This paper presents a super-resolution direction-of-arrival (DOA) estimation framework for multi-frequency (MF) signals received by polarization-sensitive arrays, based on atomic norm minimization (ANM).
Xuejing Hu, Tao Chen, Haolin Xi, Nan Wang   +3 more
doaj   +1 more source

A Comprehensive Review on ISAC for 6G: Enabling Technologies, Security, and AI/ML Perspectives

IEEE Access
Integrated sensing and communication (ISAC) has received significant attention over the past five years as a key component of the 6G vision for next-generation communication systems.
Sultan Aldirmaz-Colak, Mustafa Namdar, Arif Basgumus, Serdar Ozyurt, Selman Kulac, Nurullah Calik, Mehmet Akif Yazici, Ahmet Serbes, Lutfiye Durak-Ata   +8 more
doaj   +1 more source

DOA Estimation Based on Circular-Attention Residual Network

Applied Sciences
Direction of arrival (DOA) estimation is a fundamental problem in array signal processing, with extensive applications in radar, communications, sonar, and other fields.
Min Zhang, Hong Jiang, Jia Li, Jianglong Qu   +3 more
doaj   +1 more source

Energy-Efficient 3D Trajectory Optimization and Resource Allocation for UAV-Enabled ISAC Systems. [PDF]

Entropy (Basel)
Jing L, Wang H, Qin Z, Zhao Y, Zhu Y, Zhao W.   +5 more
europepmc   +1 more source

BeamNet: Unsupervised Beamforming for ISAC Systems Under Imperfect CSI. [PDF]

Entropy (Basel)
Nimnaka H, Gayan S, Zhang R, Inaltekin H, Poor HV.   +4 more
europepmc   +1 more source

Joint communication and sensing with structured beams carrying orbital angular momentum. [PDF]

Nat Commun
Shen R, Ghasempour Y.
europepmc   +1 more source

Vertical motions in clouds from EarthCare satellite and a global storm-resolving modeling. [PDF]

Sci Rep
Roh W, Satoh M, Matsugishi S, Aoki S, Kubota T, Okamoto H.   +5 more
europepmc   +1 more source

Sidelobe suppression for cosine-sum window functions via chaotic particle swarm optimization. [PDF]

Sci Rep
Dong Z, Chen Y.
europepmc   +1 more source

Radar Interferometry Using gNB Base Stations: Estimation and Compensation of Mast Motion and Atmospheric Effects. [PDF]

Sensors (Basel)
Beni A, Miccinesi L, Cioncolini A, Bigazzi L, Pagnini L, Pieraccini M, Duque S, Klaiqi B.   +7 more
europepmc   +1 more source