Title:
COMMUNICATION SYSTEM AND FAULT DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/090611
Kind Code:
A1
Abstract:
A communication system that uses a multi-core fiber equipped with three or more nodes and provided with a plurality of cores in at least some of the inter-node-connecting intervals, the communication system being equipped with: a detection signal output unit for outputting a fault detection signal transmitted by a core provided in the multi-core fiber for connecting the nodes; and a fault detection unit for determining whether or not a fault has occurred between nodes, on the basis of the fault detection signal detection results.
Inventors:
ODA TAKUYA (JP)
INUI TETSURO (JP)
HIRANO AKIRA (JP)
IMAJUKU WATARU (JP)
KOBAYASHI SHOUKEI (JP)
TANAKA TAKAFUMI (JP)
MIYAMOTO YUTAKA (JP)
TAKARA HIDEHIKO (JP)
INUI TETSURO (JP)
HIRANO AKIRA (JP)
IMAJUKU WATARU (JP)
KOBAYASHI SHOUKEI (JP)
TANAKA TAKAFUMI (JP)
MIYAMOTO YUTAKA (JP)
TAKARA HIDEHIKO (JP)
Application Number:
PCT/JP2016/084600
Publication Date:
June 01, 2017
Filing Date:
November 22, 2016
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04B10/077; H04J14/00; H04L12/437
Domestic Patent References:
| WO2014141533A1 | 2014-09-18 |
Foreign References:
| JP2014165595A | 2014-09-08 |
Other References:
See also references of EP 3367590A4
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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