公开(公告)号：US06529303B1

公开(公告)日：2003-03-04

申请号：US09405367

申请日：1999-09-24

申请人： Michael W. Rowan ,  David B. Upham ,  Augustus Elmer ,  Laurence J. Newell ,  David A. Pechner ,  Abraham Kou ,  James F. Coward ,  Norman L. Swenson ,  Minnie Ho ,  Peter H. Chang ,  Ting K. Yee ,  Stuart E. Wilson

发明人： Michael W. Rowan ,  David B. Upham ,  Augustus Elmer ,  Laurence J. Newell ,  David A. Pechner ,  Abraham Kou ,  James F. Coward ,  Norman L. Swenson ,  Minnie Ho ,  Peter H. Chang ,  Ting K. Yee ,  Stuart E. Wilson

IPC分类号： H04J1402

CPC分类号： B82Y15/00 ,  H04B10/2513 ,  H04J1/08 ,  H04J1/14 ,  H04J14/0298 ,  H04L5/06 ,  H04L27/34

摘要： A frequency division multiplexing (FDM) node used in optical communications networks provides add-drop multiplexing (ADM) functionality between optical high-speed channels and electrical low-speed channels. The FDM node includes a high-speed system and an ADM crosspoint. The high-speed system converts between an optical high-speed channel and its constituent electrical low-speed channels through the use of frequency division multiplexing and preferably also QAM modulation. The ADM crosspoint couples incoming low-speed channels to outgoing low-speed channels, thus implementing the ADM functionality for the FDM node.

摘要翻译： 在光通信网络中使用的频分复用（FDM）节点在光高速信道和电低速信道之间提供了添加多路复用（ADM）功能。 FDM节点包括高速系统和ADM交叉点。 高速系统通过使用频分多路复用并优选地也进行QAM调制，在光学高速信道与其组成的低速信道之间进行转换。 ADM交叉点将输入低速通道耦合到输出低速通道，从而实现FDM节点的ADM功能。

公开(公告)号：US06452945B1

公开(公告)日：2002-09-17

申请号：US09229594

申请日：1999-01-13

申请人： David B. Upham ,  Augustus Elmer ,  Laurence J. Newell ,  David A. Pechner ,  Abraham Kou ,  Michael W. Rowan ,  James F. Coward ,  Norman L. Swenson ,  Minnie Ho

发明人： David B. Upham ,  Augustus Elmer ,  Laurence J. Newell ,  David A. Pechner ,  Abraham Kou ,  Michael W. Rowan ,  James F. Coward ,  Norman L. Swenson ,  Minnie Ho

IPC分类号： H04J308

CPC分类号： H04J14/0298 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/06 ,  H04L27/34 ,  H04L27/36 ,  H04L27/38 ,  H04L2001/0096

摘要： A frequency division multiplexing (FDM) node used in optical communications networks provides add-drop multiplexing (ADM) functionality between optical high-speed channels, and low-speed tributaries. The FDM node includes a high-speed system and an ADM crosspoint. The high-speed system converts between an optical high-speed channel and its constituent electrical, low-speed channels through the use of frequency division multiplexing. The ADM crosspoint couples any incoming low-speed channels and any incoming tributaries to any outgoing low-speed channels and tributaries, thus implementing the ADM functionality for the FDM node.

摘要翻译： 在光通信网络中使用的频分复用（FDM）节点在光学高速信道和低速支路之间提供分插复用（ADM）功能。 FDM节点包括高速系统和ADM交叉点。 高速系统通过使用频分复用在光高速信道与其组成的电，低速信道之间进行转换。 ADM交叉点将任何传入的低速信道和任何传入的支路耦合到任何传出的低速信道和支路，从而实现FDM节点的ADM功能。