Results 251 to 260 of about 2,688,437 (267)

Beam Hopping for Multi-Beam LEO Satellite Systems with Integrated Sensing and Communications

IEEE Wireless Communications and Networking Conference
The urgent need for efficient utilization of spectral and hardware resources has led to the emergence of integrated sensing and communications (ISAC).
Haoyun Liu, Ronghui Zhang, Xiao-Jun Jing
semanticscholar   +1 more source

User Position-Driven Resource Allocation for Beam Hopping in Low Earth Orbit Satellite

2024 5th International Conference on Electronic Engineering and Signal Processing (EESP)
In low earth orbit (LEO) satellite communications, beam-hopping technology has gained significant attention in recent years due to its ability to dynamically adjust the spatial and temporal allocation of beams, thereby maximizing resource utilization and
Zhao-Bin Sun, Chen Wang, Chi Zhang, Zhicong Han, Zhichao Qin, Yichen Lv   +5 more
semanticscholar   +1 more source

Dynamic Beam Hopping and Resource Management Optimization Based on Deep Reinforcement Learning for Interference Avoidance

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
The rapid expansion of low-Earth orbit (LEO) constellations has greatly intensified the difficulty of mitigating interference among them. Beam hopping (BH) technology is widely considered as one of the key technologies to achieve on-demand services while
Zeng-Yuan Lv, Wenpeng Jing, Zi-Yuan Zheng, Zhaoming Lu, Changhao Liu, Xiang-Ming Wen   +5 more
semanticscholar   +1 more source

Optimizing Beam Hopping in Multibeam NGSO Constellations with Multi-Agent Reinforcement Learning

2024 IEEE International Workshop on Radio Frequency and Antenna Technologies (iWRF&AT)
With the rapid development of Non-geostationary orbit (NGSO) satellite constellation, user demands have significantly increased. However, due to the high mobility of satellites and the uneven distribution of users within the coverage area, there are ...
Yifan Zhang, Ying Wang, Qiuyang Zhang, Huaiqi Jia, Linqing Feng   +4 more
semanticscholar   +1 more source

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

IEEE Wireless Communications Letters, 2023
Yongyi Ran, Jiangtao Luo, Feng Tan
exaly  

NGSO Satellites Beam Hopping Strategy Based on Load Balancing and Interference Avoidance for Coexistence With GSO Systems

IEEE Communications Letters, 2023
Linling Kuang, Chunxiao Jiang, Zhiyuan Lin   +2 more
exaly  

Dynamic Beam Hopping for DVB-S2X GEO Satellite: A DRL-Powered GA Approach

IEEE Communications Letters, 2022
Xin Hu, Zhijun Liu, Weidong Wang
exaly  

Cluster-Based Beam Hopping for Energy Efficiency Maximization in Flexible Multibeam Satellite Systems

IEEE Communications Letters, 2023
Dewei Yang, Haowen Yang
exaly  

A Hybrid Beam Hopping Scheme for Uneven Traffic and Complex Jamming Environments in LEO Satellites: Integrating Statistical Planning and Reinforcement Learning

IEEE Internet of Things Journal
Rui Huang, Jiang-Bo Si, Zan Li, Bo-Yu Deng, Jing-Chao Wang, Haoqin Zhao   +5 more
semanticscholar   +1 more source

Dynamic Beam Pattern and Bandwidth Allocation Based on Multi-Agent Deep Reinforcement Learning for Beam Hopping Satellite Systems

IEEE Transactions on Vehicular Technology, 2022
Linling Kuang, Chunxiao Jiang, Zhiyuan Lin   +2 more
exaly