Results 1 to 10 of about 3,191 (89)

Beam Hopping Beam Optimization and Resource Allocation Algorithm Based on Phased Array

open access: yes天地一体化信息网络, 2022
Beam hopping technology can provide enough fl exibility and high resource utilization for satellite communication system, and shows good performance in broadband satellite communication system.However, the existing beam planning scheme of beam hopping ...
Mengting HAO, Chen ZHANG, Gengxin ZHANG
doaj   +2 more sources

Optimization Method of Dynamic Beam Position for LEO Beam-Hopping Satellite Communication Systems

open access: yesIEEE Access, 2021
The beam-hopping (BH) technology applied to low earth orbit (LEO) satellite communication networks is a superior choice, but the long transmission delay partly caused by data packets waiting in the queue of satellite transponders will seriously affect ...
Jingyu Tang   +4 more
doaj   +1 more source

Multi-satellite cooperative beam hopping resource allocation based on interference perception

open access: yesDianxin kexue, 2023
Beam hopping (BH) technology is one of effective ways to solve limitation of beam resources and enhance the system coverage ability of low earth orbit (LEO) satellite systems.Existing research typically considers beam hopping resource allocation for a ...
Jinlong HU   +6 more
doaj   +2 more sources

Dynamic Beam Scheduling of Multibeam Low Earth Orbit Satellites Based on an Enhanced Artificial Bee Colony Algorithm

open access: yesIEEE Access, 2022
The application of beam-hopping technology to low earth orbit satellites can effectively achieve flexible allocation and efficient utilization of on-board resources.
Debin Wei   +3 more
doaj   +1 more source

Resource Allocation of Multi-Satellite Beam Hopping Technology Based on System Capacity Maximization

open access: yes天地一体化信息网络, 2022
Unlike medium and high earth orbit satellites, LEO satellites have the characteristics of small path loss, low propagation delay and high deployment fl exibility.LEO satellites are widely used in real time services, global internet of things, emergency ...
Qing SHU, Xiaoning ZHANG, Zesong FEI
doaj   +2 more sources

User Random Access Technology Based on Beam Hopping Satellite Communication System

open access: yes天地一体化信息网络, 2022
On the basis of geosynchronous earth orbit multi-beam satellite communication systems, this paper designed the process of user random access to the network and specifi c signaling interaction under the agile beam mechanism, and proposed the scheduling ...
Zixuan HUANG   +3 more
doaj   +2 more sources

Power Allocation Technology of Long Time Multi-Star Hopping Beam for LEO Satellite

open access: yes天地一体化信息网络, 2023
LEO satellites have superior development prospects due to their low cost, low latency and small path loss, and are widely used in IoT, B5G and other fields.For the LEO satellite and its coverage area will be in a moving state, a convex optimization-based
Ziyi LIU, Xiaoning ZHANG, Zesong FEI
doaj   +2 more sources

Joint beam hopping and coverage control optimization algorithm for multibeam satellite system

open access: yesTongxin xuebao, 2023
To improve the performance of multibeam satellite (MBS) systems, a deep reinforcement learning-based algorithm to jointly optimize the beam hopping and coverage control (BHCC) algorithm for MBS was proposed.Firstly, the resource allocation problem in MBS
Guoliang XU   +3 more
doaj   +2 more sources

Design of next generation high throughput satellite communication system based on beam-hopping

open access: yesTongxin xuebao, 2020
Beam-hopping technology provides a basis for flexible allocation and efficient utilization of satellite resources,and it is considered as a key technology of the new generation of high-throughput satellite.With the goal of service-driven,efficient ...
Chen ZHANG, Gengxin ZHANG, Xianyu WANG
doaj   +2 more sources

A Fast and High-Precision Satellite-Ground Synchronization Technology in Satellite Beam Hopping Communication

open access: yesSpace: Science & Technology
A key requirement for future multibeam broadband satellite communication systems is the ability to flexibly adjust beam capacity according to changes in business distribution, in order to meet time-varying business requirements.
Tengfei Hui   +6 more
doaj   +1 more source

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