WDM/OCDMA混合系统中一种新型的接收机  

A novel receiver in a hybrid WDM/OCDMA system

作　　者：朱士芬[1] 朱娜[1] 张颖[1] 

机构地区：[1]江苏大学计算机科学与通信工程学院,江苏镇江212013

出　　处：《光通信研究》2008年第1期23-25,47,共4页Study on Optical Communications

基　　金：江苏省自然科学基金资助项目(04KJB520027)

摘　　要：文章针对波分复用/光码分多址(WDM/OCDMA)混合系统中存在窄带干扰(NBI)的问题,提出了一种新颖的用户接收机模型。从理论推导得知,该方案能完全滤除WDM用户间的NBI。同时,仿真结果也验证了系统的误码率(BER)有显著的降低,系统性能得到了改善,且归一化门限值为0.28时,BER最小。A novel user receiver model is proposed to cope with the existence of NarrowBand Interference （NBI） in a hybrid WDM/OCDMA system. It is theoretically deducted that the NBI between WDM users can be completely suppressed in this scheme. At the same time, simulation results prove that the system BER is significantly lowered, the system performance improved and the BER is the minimum when the normalized threshold is about 0.28.

关 键 词：光码分多址 波分复用 波分复用/光码分多址混合系统 窄带干扰 多用户干扰 

分 类 号：TN85[电子电信—信息与通信工程]