Results 241 to 250 of about 2,688,437 (267)

On Beam Hopping Pattern Design for Satellite Communication Systems With Hybrid Precoding

IEEE Transactions on Vehicular Technology
This correspondence studies the design of beam hopping (BH) pattern for satellite communication systems with hybrid analog-digital precoding. We investigate the transmit power minimization problem under rate constraints.
Zhi-Hao Han, Tao Yang, Rong-Ke Liu
semanticscholar   +1 more source

Dynamic beam hopping based on cooperative MAPPO for LEO satellite communication systems

Young Scientists Conference of the Chinese Society of Optical Engineering (CSOEYSC)
Due to the cooperative coverage characteristics of Low Earth Orbit (LEO) satellites and the non-uniform traffic demands across beam positions, the flexible and efficient allocation of limited beam and power resources to massive beam locations poses a ...
Yue-Kai Lai, Yuan-Peng Li, Yi Zhang, Shuai-Jun Liu   +3 more
semanticscholar   +1 more source

Reinforcement Learning-based Beam Hopping for Anti-jamming mmWave Communication

Annual Conference on Information Sciences and Systems
Beam hopping in millimeter-wave (mmWave) massive MIMO systems enhances resilience against jamming by dynamically switching transmission directions. However, optimizing beam hopping in real-time remains a challenge, particularly against adaptive jamming ...
Farshad Soleiman, Massieh Kordi Boroujeny, Kai Zeng   +2 more
semanticscholar   +1 more source

Dynamic Power Allocation for Satellite-Terrestrial Communications with Cooperative Beam Hopping

ICC 2025 - IEEE International Conference on Communications
In this paper, a multi-satellite cooperative beam hopping (BH) scenario in a low Earth orbit (LEO) satellite constellation is studied for satellite-terrestrial communications.
Guan-Hua Wang, Fang Yang, Jian Song, Zhu Han   +3 more
semanticscholar   +1 more source

Multi-QoS Objective-Driven Dynamic Beam-Carrier Resource Allocation Algorithm for Beam Hopping Satellite Systems

2025 IEEE 6th International Seminar on Artificial Intelligence, Networking and Information Technology (AINIT)
To address the mismatch between resources and demands caused by uneven traffic distribution, terminal capability heterogeneity, and multi-QoS requirement conflicts in beam hopping satellite systems, a multi-QoS objective-driven dynamic beam-carrier ...
Yuxi Cai, Wei Ma, Changgang Du
semanticscholar   +1 more source

Joint Beam-Hopping Pattern Scheduling and Power Allocation for LEO Satellite Network

IEEE Wireless Communications and Networking Conference
Due to the constraints of satellite payloads, traditional multi beam approaches often lead to the inefficient allocation of limited resources when addressing uneven traffic demands.
Rong Gao, Ke Wang, Wenliang Lin, Heng Kang   +3 more
semanticscholar   +1 more source

Resource Allocation for MC-DS-CDMA in Beam-Hopping LEO Satellite Networks

IEEE Transactions on Aerospace and Electronic Systems
Multicarrier direct-sequence code division multiple access (MC-DS-CDMA) is applicable to future low Earth orbit (LEO) satellite systems due to its superiority in soft beam, spectral, and power efficiency, as well as its robustness to interference and ...
Entong Meng, Jihong Yu, Song Jin, Xiangyuan Bu, Jianping An   +4 more
semanticscholar   +1 more source

Traffic-Aware Resource Management of Beam Hopping in Satellite-Enabled Internet of Things

IEEE Internet of Things Journal
Beam hopping (BH)-enhanced satellite-enabled Internet of Things (S-IoT) is a significant complement to terrestrial Internet of Things (IoT), and is also a key component of the nonterrestrial network (NTN)-enabled IoT.
Shuang Zheng, Xing Zhang, Jaixin Zhang, Peng Wang, Wen-Bo Wang   +4 more
semanticscholar   +1 more source

Multi-Satellite Beam Hopping and Frequency Allocation for Satellite-Terrestrial Communications

Global Communications Conference
In this paper, a multi-satellite cooperation architecture for satellite-terrestrial communications is studied with the dense constellation of low Earth orbit (LEO) satellites.
Guan-Hua Wang, Fang Yang, Jian Song, Zhu Han   +3 more
semanticscholar   +1 more source

Research on Communication Delay Optimization in LEO Beam Hopping Systems

International Conference on Communication, Computing & Security
The beam hopping (BH) technique in low earth orbit (LEO) satellite communication, which flexibly allocates system resources to enhance resource utilization, has garnered significant attention in recent years.
Yifei Yu, Qi Wang, Chaoyi Zhu, Yuxiang Huang, Wuyang Zhou   +4 more
semanticscholar   +1 more source