基于跳波束的新一代高通量卫星通信系统设计

doi:10.11959/j.issn.1000-436x.2020083

通信学报 ›› 2020, Vol. 41 ›› Issue (7): 59-72.doi: 10.11959/j.issn.1000-436x.2020083

基于跳波束的新一代高通量卫星通信系统设计

张晨^1,²,张更新^1,²,王显煜³

¹ 南京邮电大学通信与网络技术国家工程研究中心，江苏南京 210003
² 南京邮电大学通信与信息工程学院，江苏南京 210003
³ 西安空间无线电技术研究所，陕西西安 710100

修回日期:2020-02-14 出版日期:2020-07-25 发布日期:2020-08-01
作者简介:张晨（1985- ），男，安徽淮南人，博士，南京邮电大学副研究员、高级工程师，主要研究方向为天地一体化信息网络、卫星通信新体制|张更新（1967- ），男，浙江平湖人，博士，南京邮电大学教授、博士生导师，主要研究方向为空间信息网络、卫星通信、深空通信、物联网、频谱监测|王显煜（1983- ），男，陕西西安人，西安空间无线电技术研究所研究员、型号总师，主要研究方向为空间信息网络、卫星通信
基金资助:
国家自然科学基金资助项目(61901230);国家自然科学基金资助项目(91738201);民用航天重点预研基金资助项目(B0106)

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

Chen ZHANG^1,²,Gengxin ZHANG^1,²,Xianyu WANG³

¹ National Engineering Research Center of Communication and Network Technology,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
² College of Telecommunications and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
³ Xi’an Institute of Space Radio Technology,Xi’an 710100,China

Revised:2020-02-14 Online:2020-07-25 Published:2020-08-01
Supported by:
The National Natural Science Foundation of China(61901230);The National Natural Science Foundation of China(91738201);Key Pre-Research Project for Civil Space Technology(B0106)

摘要/Abstract

摘要：

跳波束技术为卫星资源的灵活分配和高效利用提供了实现基础，被认为是新一代高通量卫星的关键技术。以业务驱动、资源高效利用、随需覆盖为目标，从系统架构、通信体制、工作机理、资源分配和波束跳变图案设计、用户接入策略、空口协议设计和系统工作流程等维度，自顶向下为基于跳波束的高通量卫星通信系统设计提供可行性方案、奠定技术基础，可以满足天地一体化信息网络灵活机动的信息服务，以及高可靠、大容量传输的天基骨干网需求。

关键词: 高通量卫星, 天地一体化信息网络, 跳波束, 系统设计

Abstract:

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 utilization of resources and on-demand coverage of hot spots area,from the aspects of system architecture,communication system,working mechanism,resource allocation method and beam-hopping pattern design,user access strategy,air interface protocol design and system workflow,a top-down feasibility and technical foundation was provided for the design of a new generation of high-throughput satellite communication system based on beam hopping.Finally,it meet the requirements of flexible and mobile information service for the space-earth integration network,as well as the demand of the space-based backbone network with high reliability and large capacity transmission.

Key words: high throughput satellite, space-earth integration network, beam-hopping, system design

中图分类号:

TN927

张晨,张更新,王显煜. 基于跳波束的新一代高通量卫星通信系统设计[J]. 通信学报, 2020, 41(7): 59-72.

Chen ZHANG,Gengxin ZHANG,Xianyu WANG. Design of next generation high throughput satellite communication system based on beam-hopping[J]. Journal on Communications, 2020, 41(7): 59-72.

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参数	符号	数值
标准	—	DVB-S2
总波束数目/个	K	49
分簇数目/个	N_b	7
簇内波束数目/个	M_c	7
波束带宽/MHz	B_t	200
总功率/W	P_tot	200
跳波束周期时隙个数/个	W	128
单个时隙长度/ms	t	50
下行链路频率/GHz	F	20
波束覆盖半径/km	R_f	262
卫星轨道高度/km	H	35 786
自由空间损耗/dB	L_free	212
天线传输增益/dB	G_t	40
天线接收增益/dB	G_r	50

波束簇号	各波束容量需求/（Mbit·s^-1）
1	21,32,26,17,57,35,82]
2	32,21,34,38,65,42,68]
3	20,26,46,55,36,86,61]
4	32,37,28,49,70,53,91]
5	37,21,51,68,75,61,77]
6	24,32,60,56,65,76,107]
7	37,55,25,62,91,75,105]

基于跳波束的新一代高通量卫星通信系统设计

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

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