公开(公告)号：US09525481B2

公开(公告)日：2016-12-20

申请号：US14580989

申请日：2014-12-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sen Zhang ,  Enbo Zhou ,  Yabin Ye

IPC: H04B10/08 ,  H04B17/00 ,  H04B10/079 ,  H04B10/2543 ,  H04B10/00

CPC classification number: H04B10/0791 ,  H04B10/00 ,  H04B10/079 ,  H04B10/0795 ,  H04B10/07953 ,  H04B10/2543 ,  H04B17/00

Abstract: The present invention relates to the field of network communications and discloses a method for calculating a nonlinear transmission impairment, including: determining that no pump channel exists in an optical fiber link, obtaining a factor of intra-band nonlinear noise that does not pass through an optical filter, and obtaining integral power in signal light bandwidth of a span; correcting the factor of intra-band nonlinear noise that does not pass through an optical filter, to obtain a factor of intra-band nonlinear noise of the span that passes through an optical filter; calculating nonlinear noise of the span; and obtaining total nonlinear noise of the optical fiber link according to the nonlinear noise of the span, and obtaining a nonlinear transmission impairment of the optical fiber link. Embodiments of the present invention further provide an apparatus for calculating a nonlinear transmission impairment of an optical fiber link.

Abstract translation: 本发明涉及网络通信领域，并公开了一种用于计算非线性传输损伤的方法，包括：确定在光纤链路中不存在泵浦信道，获得不通过光纤链路的带内非线性噪声因子 在滤波器的信号光带宽中获得积分功率; 校正不通过滤光器的带内非线性噪声因子，以获得通过滤光器的跨度的带内非线性噪声因子; 计算跨度的非线性噪声; 并根据跨度的非线性噪声获得光纤链路的总非线性噪声，并获得光纤链路的非线性传输损伤。 本发明的实施例还提供了一种用于计算光纤链路的非线性传输损伤的装置。

公开(公告)号：US20150117853A1

公开(公告)日：2015-04-30

申请号：US14580989

申请日：2014-12-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sen ZHANG ,  Enbo Zhou ,  Yabin Ye

IPC: H04B10/079

CPC classification number: H04B10/0791 ,  H04B10/00 ,  H04B10/079 ,  H04B10/0795 ,  H04B10/07953 ,  H04B10/2543 ,  H04B17/00

Abstract: The present invention relates to the field of network communications and discloses a method for calculating a nonlinear transmission impairment, including: determining that no pump channel exists in an optical fiber link, obtaining a factor of intra-band nonlinear noise that does not pass through an optical filter, and obtaining integral power in signal light bandwidth of a span; correcting the factor of intra-band nonlinear noise that does not pass through an optical filter, to obtain a factor of intra-band nonlinear noise of the span that passes through an optical filter; calculating nonlinear noise of the span; and obtaining total nonlinear noise of the optical fiber link according to the nonlinear noise of the span, and obtaining a nonlinear transmission impairment of the optical fiber link. Embodiments of the present invention further provide an apparatus for calculating a nonlinear transmission impairment of an optical fiber link.

Abstract translation: 本发明涉及网络通信领域，并公开了一种用于计算非线性传输损伤的方法，包括：确定在光纤链路中不存在泵浦信道，获得不通过光纤链路的带内非线性噪声因子 在滤波器的信号光带宽中获得积分功率; 校正不通过滤光器的带内非线性噪声因子，以获得通过滤光器的跨度的带内非线性噪声因子; 计算跨度的非线性噪声; 并根据跨度的非线性噪声获得光纤链路的总非线性噪声，并获得光纤链路的非线性传输损伤。 本发明的实施例还提供了一种用于计算光纤链路的非线性传输损伤的装置。