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1. WO2022003920 - OPTICAL TRANSMISSION SYSTEM AND DESIGN METHOD FOR OPTICAL TRANSMISSION SYSTEM

Publication Number WO/2022/003920
Publication Date 06.01.2022
International Application No. PCT/JP2020/026088
International Filing Date 02.07.2020
IPC
H04B 10/073 2013.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
073using an out-of-service signal
Applicants
  • 日本電信電話株式会社 NIPPON TELEGRAPH AND TELEPHONE CORPORATION [JP]/[JP]
Inventors
  • 齋藤 航平 SAITO, Kohei
  • 関 剛志 SEKI, Takeshi
  • 須田 祥生 SUDA, Sachio
  • 河原 光貴 KAWAHARA, Hiroki
  • 広瀬 健太 HIROSE, Kenta
  • 前田 英樹 MAEDA, Hideki
Agents
  • 特許業務法人磯野国際特許商標事務所 ISONO INTERNATIONAL PATENT OFFICE, P.C.
Priority Data
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) OPTICAL TRANSMISSION SYSTEM AND DESIGN METHOD FOR OPTICAL TRANSMISSION SYSTEM
(FR) SYSTÈME DE TRANSMISSION OPTIQUE ET PROCÉDÉ DE CONCEPTION D'UN SYSTÈME DE TRANSMISSION OPTIQUE
(JA) 光伝送システムおよび光伝送システムの設計方法
Abstract
(EN) An optical transmission system (1) comprising transponders (110) that each have a transmitter (111) and a receiver (112), said optical transmission system (1) comprising: a loopback path (200) that directly connects a signal from the receiver (112) to the transmitter (111); and a server (900) that calculates a correction value for correcting frequency characteristics of a signal transmitted by the transmitter (111) on the basis of the signal transmitted using the loopback path (200).
(FR) L'invention concerne un système de transmission optique (1) comprenant des transpondeurs (110) qui comportent chacun un émetteur (Tx) (111) et un récepteur (Rx) (112), ledit système de transmission optique (1) comprenant : un chemin de bouclage (200) qui connecte directement à l'émetteur (111) un signal provenant du récepteur (112); et un serveur (900) qui calcule une valeur de correction servant à corriger des caractéristiques de fréquence d'un signal émis par l'émetteur (111) sur la base du signal transmis à l'aide du chemin de bouclage (200).
(JA) 伝送システム(1)は、送信機(111)と受信機(112)を有するトランスポンダ(110)を備える光伝送システム(1)であって、受信機(112)の信号を送信機(111)に直結させるループバック経路(200)と、ループバック経路(200)を用いて送信される信号をもとに、送信機(111)から送信される信号の周波数特性を補正する補正値を算出するサーバ(900)と、を備える。
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