Results 171 to 180 of about 32,801 (229)

Australian compilation of seismic-derived bathymetry. [PDF]

Sci Data
Lebrec U, Paumard V, Denudt J, Du Réau C, Lang SC, Bailleul J.   +5 more
europepmc   +1 more source

A novel method for coastal zone bathymetry based on multisensor data fusion and unmanned systems. [PDF]

Sci Rep
Specht O, Stateczny A.
europepmc   +1 more source

System-Level Assessment of Ka-Band Digital Beamforming Receivers and Transmitters Implementing Large Thinned Antenna Array for Low Earth Orbit Satellite Communications. [PDF]

Sensors (Basel)
Lasagni G, Calcaterra A, Righini M, Gasparro G, Maddio S, Pascale V, Cidronali A, Selleri S.   +7 more
europepmc   +1 more source

Basin uplift and related climate dynamics drive far-field submarine landslides. [PDF]

Natl Sci Rev
Sun Q, Maselli V, Wang X, Xie S.
europepmc   +1 more source

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Multibeam Antenna Technologies for 5G Wireless Communications

IEEE Transactions on Antennas and Propagation, 2017
Hui Zhang, Mustafa K. Taher Al-Nuaimi, Jianyi Zhou   +2 more
exaly   +2 more sources

Joint Beam-Hopping Scheduling and Coverage Control in Multibeam Satellite Systems

IEEE Wireless Communications Letters, 2023
Beam-hopping scheduling technology is a crucial technology for improving the performance of resource-constrained multibeam satellite (MBS) systems. However, it is challenging to dynamically match the communication demands of the terrestrial cells with ...
Guoliang Xu, Fengqi Tan, Yongyi Ran, Yanyun Zhao, Jiang-Tao Luo   +4 more
semanticscholar   +1 more source

Multibeam Transmit-Reflect-Array Antenna Using Alternating Transmission and Reflection Elements for Space–Air–Ground–Sea Integrated Network

IEEE Transactions on Antennas and Propagation, 2023
A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission element (TE) and reflection element (REs), and its aperture phase ...
Xiaoxuan Guo, Yu Luo, Ning-Ning Yan, Wen-Xing An, Kai-Xue Ma   +4 more
semanticscholar   +1 more source

QoS-Guarantee Resource Allocation for Multibeam Satellite Industrial Internet of Things With NOMA

IEEE Transactions on Industrial Informatics, 2021
The traditional ground industrial Internet of Things (IIoT) cannot supply wireless interconnections anywhere due to its small-scale communication coverage.
Xin Liu, X. Zhai, Wei-Dang Lu, Celimuge Wu   +3 more
semanticscholar   +1 more source

Energy-Efficient RSMA for Multigroup Multicast and Multibeam Satellite Communications

IEEE Wireless Communications Letters, 2023
This letter studies energy-efficient rate-splitting multiple access (RSMA) for multigroup multicast and multibeam satellite communication systems. Specifically, we minimize the unmet system capacity, which means the rate difference between the requested ...
Huan-Xi Cui, Li-Peng Zhu, Zhenyu Xiao, B. Clerckx, Rui Zhang   +4 more
semanticscholar   +1 more source