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1. 发明授权

US08045851B2 Method and apparatus for automatic restoration detection and automatic restoration of optical communication system 有权
标题翻译：光通信系统自动恢复检测和自动恢复的方法和装置
公开(公告)号：US08045851B2
公开(公告)日：2011-10-25
申请号：US11958045
申请日：2007-12-17
申请人： Yiquan Lu , Congqi Li , Hao Wang , Juan Chen
发明人： Yiquan Lu , Congqi Li , Hao Wang , Juan Chen
IPC分类号： G02F1/00
CPC分类号： H04B10/0775 , H04B10/03
摘要： Methods and apparatuses for automatic restoration detection and automatic restoration of optical communication system are disclosed. In the methods, a first station sends an automatic restoration detection message to a second station at the opposite side of a failed link; in response to receiving an automatic restoration request message, determines that the link has been repaired in two directions, and sends an automatic restoration confirmation message to the second station; or in response to receiving the automatic restoration detection message, determines that the link from the second station to the first station has been repaired, and sends the automatic restoration request message to the second station; in response to receiving the automatic restoration confirmation message, determines that the link has been repaired in two directions; and switching to normal working states. The safety problem that the laser leakage occurs in the failed link is solved.
摘要翻译：公开了用于光通信系统的自动恢复检测和自动恢复的方法和装置。在所述方法中，第一站向故障链路的相对侧的第二站发送自动恢复检测消息; 响应于接收到自动恢复请求消息，确定链路已经在两个方向上被修复，并且向第二站发送自动恢复确认消息; 或者响应于接收到自动恢复检测消息，确定从第二站到第一站的链路已经被修复，并且将自动恢复请求消息发送到第二站; 响应于接收到所述自动恢复确认消息，确定所述链路已经在两个方向上被修复; 并切换到正常工作状态。解决了在故障链路中发生激光器泄漏的安全问题。

2. 发明申请

US20080240713A1 METHOD AND APPARATUS FOR AUTOMATIC RESTORATION DETECTION AND AUTOMATIC RESTORATION OF OPTICAL COMMUNICATION SYSTEM 有权
标题翻译：用于自动恢复检测和自动恢复光通信系统的方法和装置
公开(公告)号：US20080240713A1
公开(公告)日：2008-10-02
申请号：US11958045
申请日：2007-12-17
申请人： Yiquan Lu , Congqi Li , Hao Wang , Juan Chen
发明人： Yiquan Lu , Congqi Li , Hao Wang , Juan Chen
IPC分类号： H04B10/08
CPC分类号： H04B10/0775 , H04B10/03
摘要： Methods and apparatuses for automatic restoration detection and automatic restoration of optical communication system are disclosed. In the methods, a first station sends an automatic restoration detection message to a second station at the opposite side of a failed link; in response to receiving an automatic restoration request message, determines that the link has been repaired in two directions, and sends an automatic restoration confirmation message to the second station; or in response to receiving the automatic restoration detection message, determines that the link from the second station to the first station has been repaired, and sends the automatic restoration request message to the second station; in response to receiving the automatic restoration confirmation message, determines that the link has been repaired in two directions; and switching to normal working states. The safety problem that the laser leakage occurs in the failed link is solved.
摘要翻译：公开了用于光通信系统的自动恢复检测和自动恢复的方法和装置。在所述方法中，第一站向故障链路的相对侧的第二站发送自动恢复检测消息; 响应于接收到自动恢复请求消息，确定链路已经在两个方向上被修复，并且向第二站发送自动恢复确认消息; 或者响应于接收到自动恢复检测消息，确定从第二站到第一站的链路已经被修复，并且将自动恢复请求消息发送到第二站; 响应于接收到所述自动恢复确认消息，确定所述链路已经在两个方向上被修复; 并切换到正常工作状态。解决了在故障链路中发生激光器泄漏的安全问题。

3. 发明授权

US08036538B2 Method and optical amplifier for laser safety protection and method for loading identification signal 有权
标题翻译：用于激光安全保护的方法和光学放大器以及加载识别信号的方法
公开(公告)号：US08036538B2
公开(公告)日：2011-10-11
申请号：US11948648
申请日：2007-11-30
申请人： Hao Wang , Yiquan Lu , Congqi Li
发明人： Hao Wang , Yiquan Lu , Congqi Li
IPC分类号： H04B10/02
CPC分类号： H04B10/0777 , H04B10/0771 , H04B2210/074 , H04B2210/08
摘要： A method for laser safety protection in an optical communication system includes: a downstream station detecting whether an identification signal loaded by an upstream station on a main optical channel in a direction from the upstream station to the downstream station, exist on the main optical channel; if the identification signal is not detected, the downstream station executing a scheduled safety protection procedure. Methods for loading an identification signal on a main optical channel in an optical communication system and an optical amplifier of laser safety protection, which implement loading the identification signal by controlling the change of pump light of optical amplifier or the wave motion of signal light of main optical channel, are also provided. The solution makes it possible to reliably detect a fiber failure when RAMAN amplifiers or remotely-pumped amplifiers exist, thereby implementing laser safety protection.
摘要翻译：一种光通信系统中的激光安全保护方法包括：下行站检测在主光通道上是否存在从上游站到下游站的方向上的主光信道上的上行站载入的识别信号; 如果未检测到识别信号，则下游站执行预定的安全保护程序。在光通信系统的主光通道上加载识别信号的方法和激光安全保护的光放大器的装置，其通过控制光放大器的泵浦光的变化或主要的信号光的波动来实现加载识别信号光通道。该解决方案可以在存在RAMAN放大器或远程泵浦放大器时可靠地检测光纤故障，从而实现激光安全保护。

4. 发明授权

US08254778B2 Method, apparatus and system for handling fiber line fault 有权
标题翻译：处理光纤线路故障的方法，装置和系统
公开(公告)号：US08254778B2
公开(公告)日：2012-08-28
申请号：US12104538
申请日：2008-04-17
申请人： Congqi Li , Hao Wang , Yiquan Lu
发明人： Congqi Li , Hao Wang , Yiquan Lu
IPC分类号： H04B10/08
CPC分类号： H04B10/075 , H04B10/03 , H04B2210/071
摘要： A method for handling a fiber line fault is provided. The method includes: loading, by a station, an indication signal carrying alarm suppression information onto an optical signal to be output to a downstream fiber of the station upon detection of a fault on upstream fiber line; keeping in a normal working status, by a downstream station upon a receipt of the optical signal with the indication signal. The various embodiments of the present disclosure suppress alarms from downstream amplifier stations which are not adjacent to the failure link and further suppress APR or APSD procedures according to the alarms.
摘要翻译：提供了一种处理光纤线路故障的方法。该方法包括：当检测到上游光纤线路上的故障时，由站点将载有报警抑制信息的指示信号加载到光信号上，以输出到站的下游光纤; 在接收到具有指示信号的光信号时由下游站保持正常工作状态。本公开的各种实施例抑制来自与故障链路不相邻的下游放大器站的报警，并且还根据报警抑制APR或APSD过程。

5. 发明申请

US20110318010A1 DISPERSION SLOPE COMPENSATION METHOD AND APPARATUS 审中-公开
标题翻译：分散坡度补偿方法和装置
公开(公告)号：US20110318010A1
公开(公告)日：2011-12-29
申请号：US13226205
申请日：2011-09-06
申请人： Fei Bai , Yiquan Lu , Liyuan Shi , Hao Liu
发明人： Fei Bai , Yiquan Lu , Liyuan Shi , Hao Liu
IPC分类号： H04J14/02
CPC分类号： H04B10/25133 , H04B2210/258 , H04J14/02
摘要： Embodiments of the present invention disclose a dispersion slope compensation method and apparatus, which relates to the field of communication. The method includes: performing dispersion slope compensation on a main optical channel; and dividing the main optical channel into a preset number of sub-bands, and performing the dispersion slope compensation on each sub-band. The apparatus includes: a main optical channel compensation module, a band-division module and a compensation module. The method and apparatus have the following beneficial effects. The dispersion slope compensation is performed on the main optical channel, and then band division is performed on the main optical channel after the compensation, and the dispersion slope compensation is performed on each sub-band. The configuration of the method is simple, the number of the sub-bands is few, and the cost is dramatically reduced as compared with the dispersion slope compensation method in the prior art.
摘要翻译：本发明的实施例公开了一种涉及通信领域的色散斜率补偿方法和装置。该方法包括：对主光通道进行色散斜率补偿; 并将主光信道划分成预定数量的子带，并对每个子带执行色散斜率补偿。该装置包括：主光通道补偿模块，带分模块和补偿模块。该方法和装置具有以下有益效果。在主光通道上执行色散斜率补偿，然后在补偿后对主光道进行带分割，并对每个子带执行色散斜率补偿。该方法的结构简单，与现有技术中的色散斜率补偿方法相比，子带的数量少，成本显着降低。

6. 发明申请

US20090324214A1 Method, Apparatus and System for Handling Fiber Line Fault 有权
标题翻译：处理光纤线路故障的方法，设备和系统
公开(公告)号：US20090324214A1
公开(公告)日：2009-12-31
申请号：US12104538
申请日：2008-04-17
申请人： Congqi Li , Hao Wang , Yiquan Lu
发明人： Congqi Li , Hao Wang , Yiquan Lu
IPC分类号： H04B10/00
CPC分类号： H04B10/075 , H04B10/03 , H04B2210/071
摘要： A method for handling a fiber line fault is provided. The method includes: loading, by a station, an indication signal carrying alarm suppression information onto an optical signal to be output to a downstream fiber of the station upon detection of a fault on upstream fiber line; keeping in a normal working status, by a downstream station upon a receipt of the optical signal with the indication signal. The various embodiments of the present disclosure suppress alarms from downstream amplifier stations which are not adjacent to the failure link and further suppress APR or APSD procedures according to the alarms.
摘要翻译：提供了一种处理光纤线路故障的方法。该方法包括：当检测到上游光纤线路上的故障时，由站点将载有报警抑制信息的指示信号加载到光信号上，以输出到站的下游光纤; 在接收到具有指示信号的光信号时由下游站保持正常工作状态。本公开的各种实施例抑制来自与故障链路不相邻的下游放大器站的报警，并且还根据报警抑制APR或APSD过程。

7. 发明申请

US20080310858A1 APPARATUS AND METHOD OF OPTICAL COMPENSATION FOR SUBMARINE OPTICAL CABLE 审中-公开
标题翻译：光学电缆光学补偿装置及方法
公开(公告)号：US20080310858A1
公开(公告)日：2008-12-18
申请号：US12050644
申请日：2008-03-18
申请人： Yiquan LU , Congqi LI , Shanfeng LI
发明人： Yiquan LU , Congqi LI , Shanfeng LI
IPC分类号： H04B10/00
CPC分类号： H04J14/0221 , H04B10/296 , H04J14/021
摘要： The present invention provides optical compensation for a submarine optical cable optical. A dummy light module generates a dummy light signal according to a continuous spectrum in a predetermined range and a combining module combines a service signal with the dummy light signal. When the dummy light is used for the compensation, conventional problems are solved, including complicated control, difficult realization of the pre-equalization function and inflexible configuration. When service signals are increased, the adjustment for the power of the dummy light signal is avoided; therefore, the control for the dummy light is simplified. In the pre-equalization operation, power control is only performed on the dummy light signal in the single channel or the continuous dummy light signal; therefore, the realization of the pre-equalization function is easy.
摘要翻译：本发明为海底光缆光学提供光学补偿。虚拟光模块根据预定范围内的连续光谱产生虚拟光信号，并且组合模块将服务信号与虚拟光信号组合。当伪光用于补偿时，解决了常规问题，包括复杂的控制，难以实现预均衡功能和不灵活配置。当服务信号增加时，避免了虚拟光信号的功率调整; 因此，对于虚拟光的控制被简化。在均衡前的动作中，只对单声道的模拟光信号或连续的虚拟光信号进行功率控制，因此，预均衡功能的实现很容易。

8. 发明申请

US20080075459A1 METHOD AND OPTICAL AMPLIFIER FOR LASER SAFETY PROTECTION AND METHOD FOR LOADING IDENTIFICATION SIGNAL 有权
标题翻译：用于激光安全保护的方法和光学放大器和用于加载识别信号的方法
公开(公告)号：US20080075459A1
公开(公告)日：2008-03-27
申请号：US11948648
申请日：2007-11-30
申请人： Hao WANG , Yiquan LU , Congqi LI
发明人： Hao WANG , Yiquan LU , Congqi LI
IPC分类号： H04B10/08
CPC分类号： H04B10/0777 , H04B10/0771 , H04B2210/074 , H04B2210/08
摘要： A method for laser safety protection in an optical communication system includes: a downstream station detecting whether an identification signal loaded by an upstream station on a main optical channel in a direction from the upstream station to the downstream station, exist on the main optical channel; if the identification signal is not detected, the downstream station executing a scheduled safety protection procedure. Methods for loading an identification signal on a main optical channel in an optical communication system and an optical amplifier of laser safety protection, which implement loading the identification signal by controlling the change of pump light of optical amplifier or the wave motion of signal light of main optical channel, are also provided. The solution makes it possible to reliably detect a fiber failure when RAMAN amplifiers or remotely-pumped amplifiers exist, thereby implementing laser safety protection.
摘要翻译：一种光通信系统中的激光安全保护方法包括：下行站检测在主光通道上是否存在从上游站到下游站的方向上的主光信道上的上行站载入的识别信号; 如果未检测到识别信号，则下游站执行预定的安全保护程序。在光通信系统的主光通道上加载识别信号的方法和激光安全保护的光放大器的装置，其通过控制光放大器的泵浦光的变化或主要的信号光的波动来实现加载识别信号光通道。该解决方案可以在存在RAMAN放大器或远程泵浦放大器时可靠地检测光纤故障，从而实现激光安全保护。

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