公开(公告)号：US06366373B1

公开(公告)日：2002-04-02

申请号：US09449043

申请日：1999-11-24

申请人： Neil MacKinnon ,  Lee Joseph Zipin

发明人： Neil MacKinnon ,  Lee Joseph Zipin

IPC分类号： H04B1012

CPC分类号： H04Q11/0003 ,  H04B10/0773 ,  H04B2210/078 ,  H04J14/0227 ,  H04J14/0241 ,  H04J14/0283 ,  H04J14/0298 ,  H04Q11/0066 ,  H04Q2011/0073

摘要： A method allowing reliable routing of individual optical carriers through an optical network is disclosed. Routing information is impressed on individual carriers by a method known as subband quadrature coding (SQC). The optical carrier is modulated at a first frequency, and at a first intensity to impress application data on the carrier. The carrier is additionally modulated at a second frequency, preferably two orders of magnitude less than the first frequency, and at a second intensity less than the first intensity to impress management data on the carrier for routing the carrier through an optical communications network, from a source to a destination. According to the method, the management data is continuously impressed upon the carrier during transmission of the application data. The optical carrier is multiplexed onto the fiber optic communications line, and upon reaching a first node, the carrier is demultiplexed and an intensity sample of the carrier is detected. The management data is then separated out with a low pass filter, whereupon in response the method directs the carrier signal according to the management data.

摘要翻译： 公开了允许通过光网络可靠路由各个光载波的方法。 路由信息通过称为子带正交编码（SQC）的方法印在各个载波上。 光载波以第一频率和第一强度被调制，以将载体上的应用数据压印。 载波被附加地调制在比第一频率小的第二频率，优选地比第一频率小两个数量级，并且以小于第一强度的第二强度来调制，以在载波上施加管理数据，以将载波通过光通信网络从 来源到目的地。 根据该方法，在应用数据的传输期间，管理数据不断地印在载体上。 光载波被复用到光纤通信线路上，并且在到达第一节点时，载波被解复用并检测载波的强度采样。 然后，管理数据用低通滤波器分离出来，于是响应该方法根据管理数据指示载波信号。