公开(公告)号：US09197349B2

公开(公告)日：2015-11-24

申请号：US13896839

申请日：2013-05-17

Applicant: ADVA Optical Networking SE

Inventor： Klaus Grobe ,  Markus Roppelt

IPC: H04J14/00 ,  H04J14/02

CPC classification number: H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0257 ,  H04J14/0267 ,  H04J14/0272 ,  H04J14/0276 ,  H04J14/0282

Abstract: The invention relates to a method of operating a primary optical node, particularly an optical line terminal (OLT), for an optical communications system, wherein said OLT is configured to receive at least one upstream optical signal (uos) from at least one secondary optical node, particularly an optical networking unit (ONU), within at least a first wavelength range (wr1), and to transmit at least one downstream optical signal (dos) to said at least one ONU within at least a second wavelength range (wr2), wherein said OLT determines a currently unused wavelength subrange (wsr2) within said first wavelength range (wr1), assigns a specific target wavelength (λt) within said currently unused wavelength subrange (wsr2) to said ONU, signals said target wavelength (λt) to said ONU, receives an upstream signal (us) from said ONU, and provides feedback information to said ONU.

Abstract translation: 本发明涉及一种操作用于光通信系统的主光节点，特别是光线路终端（OLT）的方法，其中所述OLT被配置为从至少一个辅助光接收器接收至少一个上行光信号（uos） 在至少第一波长范围（wr1）内，尤其是光网络单元（ONU）的节点，尤其是光网络单元（ONU），并且在至少第二波长范围（wr2）内向至少一个ONU发送至少一个下行光信号（dos） ，其中所述OLT确定所述第一波长范围（wr1）内的当前未使用的波长子范围（wsr2），将所述当前未使用的波长子范围（wsr2）内的特定目标波长（λt）分配给所述ONU，信号表示所述目标波长（λt） 向所述ONU接收来自所述ONU的上行信号（us），并向所述ONU提供反馈信息。

公开(公告)号：US09231724B2

公开(公告)日：2016-01-05

申请号：US13828130

申请日：2013-03-14

Applicant: ADVA Optical Networking SE

Inventor： Stephan Pachnicke ,  Michael Eiselt ,  Markus Roppelt ,  Mirko Lawin ,  Klaus Grobe ,  Jörg-Peter Elbers

IPC: H04J14/00 ,  H04J14/02

CPC classification number: H04J14/0227 ,  H04J14/0276

Abstract: An optical transmission system method including generating for a tunable laser a pilot tone having an adjustable pilot tone frequency identifying a wavelength division multiplexing channel used by the tunable laser; multiplying the pilot tone with pilot tone data to provide a pilot tone data signal; supplying the pilot tone data signal and a high frequency data signal to the tunable laser generating an optical laser signal output by the tunable laser responsive to the supplied signals; transporting the optical laser signal to a central wavelength to locker; converting the received optical laser signal to provide a pilot tone data signal for wavelength division multiplexing channels demodulated to detect the pilot tone and the pilot tone data for each individual wavelength division multiplexing channel; and identifying the wavelength division multiplexing channel on the basis of the pilot tone frequency of the detected pilot tone and evaluating the pilot tone data.

Abstract translation: 一种光传输系统方法，包括为可调谐激光器生成具有标识可调谐激光器使用的波分复用信道的可调导频音频率的导频音; 将导频音与导频音数据相乘以提供导频音数据信号; 向所述可调谐激光器提供导频音数据信号和高频数据信号，以响应于所提供的信号产生由可调谐激光器输出的光学激光信号; 将光学激光信号传输到中心波长至储物柜; 转换所接收的光学激光信号以提供用于波分多路复用通道的导频音数据信号，所述导频音数据信号被解调以检测每个单独的波分复用通道的导频音和导频音数据; 以及基于检测到的导频音调的导频音频率识别波分复用信道，并评估导频音数据。

公开(公告)号：US20130336655A1

公开(公告)日：2013-12-19

申请号：US13896839

申请日：2013-05-17

Applicant: ADVA Optical Networking SE

Inventor： Klaus Grobe ,  Markus Roppelt

IPC: H04J14/02

CPC classification number: H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0257 ,  H04J14/0267 ,  H04J14/0272 ,  H04J14/0276 ,  H04J14/0282

Abstract: The invention relates to a method of operating a primary optical node, particularly an optical line terminal (OLT), for an optical communications system, wherein said OLT is configured to receive at least one upstream optical signal (uos) from at least one secondary optical node, particularly an optical networking unit (ONU), within at least a first wavelength range (wr1), and to transmit at least one downstream optical signal (dos) to said at least one ONU within at least a second wavelength range (wr2), wherein said OLT determines a currently unused wavelength subrange (wsr2) within said first wavelength range (wr1), assigns a specific target wavelength (λt) within said currently unused wavelength subrange (wsr2) to said ONU, signals said target wavelength (λt) to said ONU, receives an upstream signal (us) from said ONU, and provides feedback information to said ONU.

Abstract translation: 本发明涉及一种操作用于光通信系统的主光节点，特别是光线路终端（OLT）的方法，其中所述OLT被配置为从至少一个辅助光接收器接收至少一个上行光信号（uos） 在至少第一波长范围（wr1）内，尤其是光网络单元（ONU）的节点，尤其是光网络单元（ONU），并且在至少第二波长范围（wr2）内向至少一个ONU发送至少一个下行光信号（dos） ，其中所述OLT确定所述第一波长范围（wr1）内的当前未使用的波长子范围（wsr2），将所述当前未使用的波长子范围（wsr2）内的特定目标波长（lambdat）分配给所述ONU，信号所述目标波长（lambdat） 向所述ONU接收来自所述ONU的上行信号（us），并向所述ONU提供反馈信息。