卫星通信中IJF-OQPSK调制最大似然接收机的研究  

Research on IJF-OQPSK Modulation Schemes with MLSE Receiver for Satellite Communication

作　　者：瞿力扬[1] 哈斯巴特 胡波[1] 

机构地区：[1]解放军理工大学通信工程学院研究生3队,江苏南京210007 [2]内蒙古军区通信总站,内蒙古自治区呼和浩特010000

出　　处：《山西电子技术》2009年第5期54-55,共2页Shanxi Electronic Technology

摘　　要：卫星通信中,硬限幅无符号间干扰和抖动-交错正交相移键控(IJF-OQPSK)信号由于其近似恒定的包络和优异的频谱性能等优势,使其特别适用于带有非线性功率放大器的卫星通信中。通过Matlab仿真验证,本文提出了一种适用于卫星通信的基于最大似然序列检测的IJF-OQPSK调制方案。Because the Hardlimited Interference-and-Jitter-Free-Offset Quadrature Phase Shift Keying（IJF-OQPSK） signals have the advantages of approximate constant envelope and good spectral properties,it is suitable in satellite communications which with nonlinear power amplifiers.After the validating of Matlab simulation,this paper presents an IJF-OQPSK modulation schemes for satellite communications which is based on maximum likelihood sequence estimation receivers.

关 键 词：IJF-OQPSK 最大似然序列检测 网格图 

分 类 号：TN911.3[电子电信—通信与信息系统]