Title:
STATE DEDUCTION DEVICE AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/159938
Kind Code:
A1
Abstract:
This state deduction device is provided with: a preprocessing unit; and a deduction unit. The preprocessing unit acquires data representing one or more of the phase, the reception intensity, and the reception quality of a signal transmitted from a transmission unit of a transmission device and received by a reception unit of another transmission device through a transmission line, the voltage after conversion of the signal into an electrical signal, and a parameter used for processing the signal in a reception process, and processes the acquired data into feature data used for state deduction. The deduction unit deduces, on the basis of the feature data, the state of the transmission line, the abnormal state of the transmission unit, or the abnormal state of the reception unit.
Inventors:
KUWABARA SEIKI (JP)
KAWAKAMI WATARU (JP)
NISHIZAWA HIDEKI (JP)
OKAMOTO SEIJI (JP)
HIRANO AKIRA (JP)
KOBAYASHI SHOKEI (JP)
INUI TETSURO (JP)
ODA TAKUYA (JP)
INUZUKA FUMIKAZU (JP)
TANAKA TAKAFUMI (JP)
KAWAKAMI WATARU (JP)
NISHIZAWA HIDEKI (JP)
OKAMOTO SEIJI (JP)
HIRANO AKIRA (JP)
KOBAYASHI SHOKEI (JP)
INUI TETSURO (JP)
ODA TAKUYA (JP)
INUZUKA FUMIKAZU (JP)
TANAKA TAKAFUMI (JP)
Application Number:
PCT/JP2019/005017
Publication Date:
August 22, 2019
Filing Date:
February 13, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04B10/075; H04L12/26
Domestic Patent References:
| WO2017090616A1 | 2017-06-01 | |||
| WO2008065784A1 | 2008-06-05 | |||
| WO2011077429A1 | 2011-06-30 |
Foreign References:
| JPH10160625A | 1998-06-19 | |||
| JP2009512286A | 2009-03-19 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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