非静止轨道卫星网络中同频干扰问题的分析与仿真  

Analysis and Simulation of Co-frequency Interference in Non-geostationary Orbit Satellite Network

作　　者：李睿 曾德贤[2] 

机构地区：[1]中国电子系统工程公司研究所,北京100039 [2]装备指挥技术学院研究生院,北京101416

出　　处：《电讯技术》2008年第8期6-10,共5页Telecommunication Engineering

基　　金：国家高技术研究发展计划(863计划)项目(2003AA713011)

摘　　要：随着非静止轨道(NGSO)卫星系统的增加,使用相同频率、轨道邻近的卫星网络越来越多,这使得NGSO网络之间以及NGSO网络与传统的静止轨道(GSO)网络之间的同频干扰问题变得日益严重。深入研究了NGSO网络的同频干扰问题,针对NGSO网络具有时变性的特点,给出了计算NGSO网络同频干扰的思路和方法,在此基础上实现了仿真并对仿真结果进行了分析,得出了一些规律性的结论,为今后此类问题的研究提供了参考。With the raising number of non - geostationary orbit satellite system, the satellite networks using same frequency and coherent orbit are more and more, which make the co - frequency interference problem in non- geostatlonary orbit（NGSO） and between NGSO and traditional geostationary orbit（GEO） become more serious. This paper studies the co -frequency interference in NGSO, gives the idea and method of calculating the co - frequency interference in NGSO according to the time - varied character of NGSO, then simulates the co -frequency interference and analyzes the results and draws some regular conclusions, which provide references to the further study for this problem.

关 键 词：卫星通信 非静止轨道 同频干扰 仿真 

分 类 号：TN927[电子电信—通信与信息系统]