| 发明名称 | Measurement apparatus, network design apparatus, transmission system, and network management apparatus | ||
| 摘要 | A measurement apparatus includes: a transmitter disposed at a transmission-side node and configured to transmit two pulsed lights with different wavelengths at time intervals to a reception-side node; a transmission controller configured to control the transmitter so as to transmit the two pulsed lights repeatedly while changing the time interval; a receiving unit disposed at the reception-side node and configured to receive the two pulsed lights from the transmitter via one or more relay nodes; a detection unit configured to detect a change in a phase of at least one of the two pulsed lights received by the receiving unit; and a measurement unit configured to measure, based on the time interval and the change in a phase detected by the detection unit, a dispersion value of each transmission line between two nodes of nodes including the transmission-side node, the reception-side node, and the one or more relay nodes. | ||
| 申请公布号 | US8879907(B2) | 申请公布日期 | 2014.11.04 |
| 申请号 | US201313758367 | 申请日期 | 2013.02.04 |
| 申请人 | Fujitsu Limited | 发明人 | Goto Ryosuke |
| 分类号 | H04B10/00;H04B10/08;H04B10/12;H04B17/00;H04B10/07 | 主分类号 | H04B10/00 |
| 代理机构 | Staas & Halsey LLP | 代理人 | Staas & Halsey LLP |
| 主权项 | 1. A measurement apparatus, comprising: a transmitter disposed at a transmission-side node in an optical network and configured to transmit two pulsed lights with wavelengths different from each other at time intervals to a reception-side node in the optical network; a transmission controller configured to control the transmitter so as to transmit the two pulsed lights repeatedly while changing the time interval; a receiving unit disposed at the reception-side node and configured to receive the two pulsed lights from the transmitter via one or more relay nodes in the optical network; a detection unit configured to detect a change in an optical phase of at least one of the two pulsed lights received by the receiving unit; and a measurement unit configured to measure, based on the time interval and the change in an optical phase detected by the detection unit, a dispersion value of each transmission line between two nodes of nodes including the transmission-side node, the reception-side node, and the one or more relay nodes. | ||
| 地址 | Kawasaki JP | ||