面向海洋移动通信的卫星覆盖增强技术研究  

Satellite Coverage Enhancement Technologies for Maritime Mobile Communication

作　　者：崔方宇 施嵘[1] 曹伟[1,2] 栗子阳 张楠 李俊丽[1,2] CUI Fangyu;SHI Rong;CAO Wei;LI Ziyang;ZHANG Nan;LI Junli(ZTE Corporation,Shenzhen 518057,China;State Key Laboratory of Mobile Network and Mobile Multimedia Technology,Shenzhen 518055,China)

机构地区：[1]中兴通讯股份有限公司,广东深圳518057 [2]移动网络和移动多媒体技术国家重点实验室,广东深圳518055

出　　处：《移动通信》2024年第11期45-50,共6页Mobile Communications

摘　　要：作为非陆地网络的重要组成部分,卫星通信网络可以为偏远地区提供广覆盖,非常适用于海洋移动通信。然而,受限于硬件能力,一个卫星仅能为有限的波位同时提供服务。为了提高卫星的覆盖,结合5G标准现状,提出了基于跳波束技术的增强方案。增强包括对同步信号与公共信道周期进行拓展以提高每个波束可服务的波位数,对跳波束服务时间进行指示以帮助用户在合适的时间收发信号,以及根据服务时间进行时序增强以提高通信资源利用效率。评估结果表明,采用增强方案后,卫星的覆盖区域显著增强,且公共信道资源占比显著下降。As an essential part of non-terrestrial networks,satellite communication networks provide wide coverage for remote areas,making them well-suited for maritime mobile communication.However,due to hardware limitations,a satellite can only serve a limited number of beams simultaneously.To expand satellite coverage,an enhancement scheme based on beam hopping technology is proposed,in line with the current 5G standards.The enhancements include extending the synchronization signal and common channel period to increase the number of beams that can be served,indicating the beam hopping service time to help users transmit and receive signals at the appropriate time,and enhancing timing according to service time to improve communication resource utilization efficiency.Evaluation results show that the proposed enhancement scheme significantly expands satellite coverage and substantially reduces the proportion of common channel resources.

关 键 词：海洋移动通信 卫星通信 覆盖增强 

分 类 号：TN929.5[电子电信—通信与信息系统]