| 发明名称 |
METHOD, APPARATUS, NODE DEVICE AND NETWORK SYSTEM FOR DETECTING OPTICAL SIGNAL-TO-NOISE RATIO |
| 摘要 |
The present invention discloses a method and an apparatus for detecting an optical signal-to-noise ratio, a node device, and a network system. The method includes: receiving a detected optical signal carrying amplified spontaneous emission ASE noise; detecting a first alternating current component and a first direct current component of the detected optical signal; acquiring first modulation information of the detected optical signal; acquiring first correction information corresponding to the first modulation information according to the first modulation information; and determining an optical signal-to-noise ratio OSNR of the detected optical signal according to the first alternating current component, the first direct current component, and the first correction information. |
| 申请公布号 |
US2015010299(A1) |
申请公布日期 |
2015.01.08 |
| 申请号 |
US201414493540 |
申请日期 |
2014.09.23 |
| 申请人 |
Huawei Technologies Co., Ltd. |
发明人 |
Wei Yijia;Ni Juan;Feng Zhiyong;Deng Ning |
| 分类号 |
H04B10/079;H04J14/02;H04B10/60 |
主分类号 |
H04B10/079 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for detecting an optical signal-to-noise ratio, the method comprising:
receiving an optical signal carrying amplified spontaneous emission (ASE) noise; detecting a first alternating current component and a first direct current component of the optical signal; acquiring first modulation information of the optical signal; acquiring first correction information corresponding to the first modulation information according to the first modulation information; and determining an optical signal-to-noise ratio (OSNR) of the optical signal according to the first alternating current component, the first direct current component, and the first correction information. |
| 地址 |
Shenzhen CN |
