深空星间光通信PDM系统链路设计研究  

Research on link design of deep space inter satellite optical communication PDM system

作　　者：王小瑞 徐宏 陈冬冬 WANG Xiaorui;XU Hong;CHEN Dongdong(School of Computer and Communication Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002,China)

机构地区：[1]郑州轻工业大学计算机与通信工程学院,郑州450002

出　　处：《光通信技术》2022年第6期35-38,共4页Optical Communication Technology

基　　金：河南省自然科学基金(批准号212300410302)资助;郑州市重大科技创新专项(No.2019CXZX0042)资助;博士启动基金(0131/13501050033)资助;河南省科技攻关(批准号202102210350)资助。

摘　　要：为了提高深空星间光通信信道容量、数据传输速率和频谱利用率,对深空星间光通信链路进行了设计,搭建了深空星间光偏振复用(PDM)系统。结合激光通信的链路特性,对不同通信波长、不同传输速率下的PDM系统链路性能进行了仿真,结果表明:PDM技术可有效提高数据传输速率,并且有利于深空光通信系统性能的改善。In order to improve the channel capacity,data transmission rate and spectrum efficiency of deep space inter satellite optical communication,this paper designes the deep space inter satellite optical communication link,builds the deep space inter satellite optical polarization multiplexing(PDM) system.Combined with the link characteristics of laser communication,the performance of PDM system link at different communication wavelengths and different transmission speed are simulated.The results show that the PDM technology can effectively improve the data transmission rate,and also helpful to improve the performance of deep space optical communication system.

关 键 词：深空通信 激光通信 链路设计 

分 类 号：TN929.12[电子电信—通信与信息系统]