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Title:
TIME SYNCHRONIZATION METHOD FOR REDUNDANT NETWORK
Document Type and Number:
WIPO Patent Application WO/2021/120344
Kind Code:
A1
Abstract:
Disclosed is a time synchronization method for a redundant network. A network performs clock synchronization with neighboring nodes. When a network comprises a redundant link, a node having a redundant link can perform clock synchronization with different neighbors by means of different links, and calculate an estimated value of a standard clock by using a weighted average approach. A weighting parameter depends on a clock error factor of the neighboring nodes and the link delay with the neighboring nodes. The clock error factor of the node is obtained by calculation according to the clock error factor of the neighboring nodes, the link delay with the neighboring nodes, and the slope of a local clock.

Inventors:
YU HAIBIN (CN)
ZENG PENG (CN)
LI DONG (CN)
LI ZHIBO (CN)
LIU JINDI (CN)
YU XUETING (CN)
YANG MING (CN)
Application Number:
PCT/CN2020/070381
Publication Date:
June 24, 2021
Filing Date:
January 06, 2020
Export Citation:
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Assignee:
SHENYANG INST AUTOMATION CAS (CN)
International Classes:
H04J3/06
Domestic Patent References:
WO2018065061A12018-04-12
Foreign References:
CN103414532A2013-11-27
CN105490799A2016-04-13
CN106921456A2017-07-04
CN101170373A2008-04-30
Other References:
See also references of EP 3866358A4
Attorney, Agent or Firm:
SHENYANG PATENT & TRADEMARK AGENCY ACADEMIA SINICA (CN)
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