信号消除多址技术分析与应用  

Analysis and Application of Multiple Access Technology Based on Signal Cancellation

作　　者：宫立平 刘贤 刘爱军 高志祥 杨昕悦 GONG Liping;LIU Xian;LIU Aijun;GAO Zhixiang;YANG Xinyue(Army Engineering University of PLA,Nanjing Jiangsu 210007,China;Nanjing Military Representative Bureau,Armament Department of the PLA,Nanjing Jiangsu 210000,China)

机构地区：[1]中国人民解放军陆军工程大学,江苏南京210007 [2]陆军装备部驻南京地区军代局,江苏南京210000

出　　处：《通信技术》2023年第4期455-461,共7页Communications Technology

基　　金：国家自然科学基金项目(62171466);江苏省前沿引领技术基础研究项目(BK20192002)。

摘　　要：针对卫星通信频带资源受限的特点,在对比了现有卫星通信多址接入技术特点的基础上,分析了一种新的多址接入方案——信号消除多址技术,具体分析了该多址方案的基本原理、关键技术,并给出了可能的应用场景。相较于正交多址接入技术,该技术可以有效提升频带利用率,提高系统容量。To address the problem of limited frequency band resources for satellite communication,based on the comparison of the characteristics of existing satellite communication multiple access technologies,a new multiple access scheme,i.e.,signal cancellation multiple access technology,is analyzed.The basic principles and key technologies of the multiple access scheme are specifically analyzed and possible application scenarios are given.Compared with orthogonal multiple access technology,this scheme can effectively improve the band utilization and increase the system capacity.

关 键 词：卫星通信 多址接入 频带利用率 频谱效率 

分 类 号：TN927.2[电子电信—通信与信息系统]