光信噪比对光自愈环的影响  

OSNR Affection on Optical Self-healing Ring

作　　者：邓小强 叶辉 

机构地区：[1]上海贝尔阿尔卡特有限公司传输网络事业部,上海201206

出　　处：《电信科学》2002年第12期23-25,共3页Telecommunications Science

摘　　要：在光自愈环系统中 ,光信噪比是限制其传输距离的一个重要因素 ,本文给出了一种计算光信噪比所允许的最大传输距离的方法 ,分析了在不同业务配置方式复用段保护情况下的业务最大传输距离 。OSNR is an important factor in self_hailing ring, which will affect the maximum transmission distance. This paper proposes a method to calculate the maximum transmission distance because of OSNR constraint, based on this method, then analyzes the affection of service signal routing way on maximum transmission distance in optical multiplexing section protection ring. According to this paper's result, it's obviously that short_distance routing is the better than long_distance routing in OMSP self_hailing ring.

关 键 词：光信噪比 光自愈环 光交叉连接 光分插复用 WDM 光复用段 通道层 

分 类 号：TN929.1[电子电信—通信与信息系统]