Title:
MEASURING DEVICE, MEASURING METHOD, AND TIME SYNCHRONIZATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/244156
Kind Code:
A1
Abstract:
A measuring device (40) according to the present disclosure includes: a UTC acquisition unit (41) that acquires a reference time from a satellite signal; a GMC time acquisition unit (42) that acquires time information of an intra-device time of a first device having a master function; a UTC-GMC offset calculation processing unit (43) that calculates an offset between a UTC and a GMC; a GMC-BC offset calculation processing unit (44) that calculates an offset between the GMC and a BC; a BC-client offset calculation processing unit (45) that calculates an offset between the BC and a client; and a time accuracy calculation processing unit (46) that measures accuracy of the intra-device time of each of a plurality of devices on the basis of the offset between the UTC and the GMC, the offset between the GMC and the BC, and the offset between the BC and the client.
Inventors:
YAMAGATA KEISUKE (JP)
YAZAWA GO (JP)
NAKANISHI TAKASHI (JP)
YOSHIHARA SHINICHI (JP)
YAZAWA GO (JP)
NAKANISHI TAKASHI (JP)
YOSHIHARA SHINICHI (JP)
Application Number:
PCT/JP2021/019032
Publication Date:
November 24, 2022
Filing Date:
May 19, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G04G5/00
Domestic Patent References:
| WO2015033532A1 | 2015-03-12 | |||
| WO2012114517A1 | 2012-08-30 | |||
| WO2008146427A1 | 2008-12-04 |
Foreign References:
| JP2016152489A | 2016-08-22 | |||
| JP2017022645A | 2017-01-26 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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