公开(公告)号：US09596028B2

公开(公告)日：2017-03-14

申请号：US14269408

申请日：2014-05-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianrui Han ,  Mingming Xu ,  Lei Shi ,  Lin Tan

IPC: H04B10/079 ,  H04J14/02 ,  H04B10/294

CPC classification number: H04B10/07955 ,  H04B10/294 ,  H04J14/0221 ,  H04J14/0282

Abstract: The present invention discloses a method and a controller for commissioning a wave division multiplexing optical network during capacity expansion. The method includes: calculating, according to a preset rule, initial power of a wavelength service to be added and adding one or more wavelength services according to the initial power; detecting power of each newly-added wavelength service in transmission and separately calculating target power of each newly-added wavelength service according to a detected value and the initial power; calculating end-to-end performance of an existing wavelength service and end-to-end performance of each newly-added wavelength service when each newly-added wavelength service reaches its respective target power; and adjusting the power of each newly-added wavelength service when each newly-added wavelength service reaches its respective target power and the end-to-end performance of the existing wavelength service and the end-to-end performance of each newly-added wavelength service meets their respective lowest threshold requirements.

Abstract translation: 本发明公开了一种在容量扩展期间调试波分复用光网络的方法和控制器。 该方法包括：根据预设规则，根据初始功率，计算要添加的波长业务的初始功率，并添加一个或多个波长业务; 检测传输中每个新添加的波长业务的功率，并根据检测值和初始功率分别计算每个新添加的波长业务的目标功率; 当每个新添加的波长服务达到其各自的目标功率时，计算现有波长业务的端到端性能和每个新添加的波长业务的端到端性能; 并且当每个新添加的波长业务达到其各自的目标功率和现有波长业务的端到端性能以及每个新添加的波长业务的端到端性能时，调整每个新添加的波长业务的功率 服务满足各自的最低门槛要求。

公开(公告)号：US09215029B2

公开(公告)日：2015-12-15

申请号：US14087360

申请日：2013-11-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianrui Han ,  Mingming Xu ,  Lei Shi ,  Lin Tan

IPC: H04B10/00 ,  H04J14/02 ,  H04B10/079 ,  H04L12/721

CPC classification number: H04J14/0227 ,  H04B10/0793 ,  H04B10/07953 ,  H04J14/0221 ,  H04J14/0257 ,  H04J14/0269 ,  H04J14/0271 ,  H04L45/62

Abstract: Embodiments of the present invention disclose a path selecting method and apparatus. The method includes: computing an end-to-end path for a newly added service according to network topology and a wavelength constraint, and assigning a wavelength to the path; computing performance of each existing service and performance of the newly added service in a network according to physical impairment information collected in the network, where the physical impairment information includes a gain reference spectrum of each optical amplifier in the network; and performing impairment check on performance of each service, and performing path selection for the newly added service according to a result of the impairment check. The apparatus includes a path computation module, a performance computation module and an impairment check module. According to the embodiments, efficiency of network update or rerouting is improved.

Abstract translation: 本发明的实施例公开了路径选择方法和装置。 该方法包括：根据网络拓扑和波长约束计算新添加的业务的端到端路径，并向路径分配波长; 根据网络中收集的身体损伤信息，计算网络中新增服务的每个现有服务的性能和性能，其中身体损伤信息包括网络中每个光放大器的增益参考频谱; 对每个业务的性能进行减值检查，根据减值检查的结果对新增的业务进行路径选择。 该装置包括路径计算模块，性能计算模块和损伤检查模块。 根据实施例，提高了网络更新或重新路由的效率。

公开(公告)号：US20140241715A1

公开(公告)日：2014-08-28

申请号：US14269408

申请日：2014-05-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianrui HAN ,  Mingming Xu ,  Lei Shi ,  Lin Tan

IPC: H04J14/02 ,  H04B10/079

CPC classification number: H04B10/07955 ,  H04B10/294 ,  H04J14/0221 ,  H04J14/0282

Abstract: The present invention discloses a method and a controller for commissioning a wave division multiplexing optical network during capacity expansion. The method includes: calculating, according to a preset rule, initial power of a wavelength service to be added and adding one or more wavelength services according to the initial power; detecting power of each newly-added wavelength service in transmission and separately calculating target power of each newly-added wavelength service according to a detected value and the initial power; calculating end-to-end performance of an existing wavelength service and end-to-end performance of each newly-added wavelength service when each newly-added wavelength service reaches its respective target power; and adjusting the power of each newly-added wavelength service when each newly-added wavelength service reaches its respective target power and the end-to-end performance of the existing wavelength service and the end-to-end performance of each newly-added wavelength service meets their respective lowest threshold requirements.

Abstract translation: 本发明公开了一种在容量扩展期间调试波分复用光网络的方法和控制器。 该方法包括：根据预设规则，根据初始功率，计算要添加的波长业务的初始功率，并添加一个或多个波长业务; 检测传输中每个新添加的波长业务的功率，并根据检测值和初始功率分别计算每个新添加的波长业务的目标功率; 当每个新添加的波长服务达到其各自的目标功率时，计算现有波长业务的端到端性能和每个新添加的波长业务的端到端性能; 并且当每个新添加的波长业务达到其各自的目标功率和现有波长业务的端到端性能以及每个新添加的波长业务的端到端性能时，调整每个新添加的波长业务的功率 服务满足各自的最低门槛要求。

公开(公告)号：US20140029937A1

公开(公告)日：2014-01-30

申请号：US14040112

申请日：2013-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Shi ,  Jianrui Han ,  Mingming Xu ,  Lin Tan

IPC: H04J14/02

CPC classification number: H04J14/0221 ,  H04B10/0793 ,  H04B10/07955 ,  H04B10/2939

Abstract: The present disclosure provides a method for monitoring and adjusting optical power, where the method includes: according to a characteristic of a service, calculating a degraded coefficient corresponding to each service; according to a nominal signal-to-noise ratio input and a nominal power input which are between nodes, calculating a nominal signal-to-noise ratio output between the nodes; according to the nominal signal-to-noise ratio input and the nominal signal-to-noise ratio output between the nodes, calculating a nominal degraded degree of an OSNR between the nodes; according to the degraded coefficient corresponding to each service, and the nominal degraded degree of the OSNR between the nodes, calculating a target degraded degree of each service between the nodes; according to the target degraded degree of each service between the nodes, calculating a target optical power adjusting value of each service at a sending end node; and adjust optical power of each service.

Abstract translation: 本公开提供了一种用于监视和调整光功率的方法，其中该方法包括：根据服务的特性，计算与每个服务对应的退化系数; 根据节点之间的标称信噪比输入和标称功率输入，计算节点之间的标称信噪比输出; 根据标称信噪比输入和节点之间的标称信噪比输出，计算节点之间的OSNR的标称退化程度; 根据每个服务对应的退化系数，以及节点之间的OSNR的名义退化程度，计算节点之间每个服务的目标降级程度; 根据节点间每个业务的目标退化程度，计算发送端节点各业务的目标光功率调整值; 并调整每个服务的光功率。