Method of High Precision Time Synchronization Between a Device-Side Time-Sensitive Networking (TSN) Translator (DS-TT) and a TSN Grandmaster (GM)
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United States of America
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Jan 30, 2025
app pub date -
Jul 26, 2023
filing date -
Jul 26, 2023
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Abstract
A method of time synchronization between a DS-TT module inside a logical TSN bridge of a communication network with a TSN Grandmaster (GM) in a TSN Time Domain of the communication network. The method comprises, at a NW-TT module inside the logical TSN bridge, determining a frequency rate ratio between a Time Domain clock frequency (f5GS) and a TSN Time Domain clock frequency (fTSN). Then, using the frequency rate ratio and respective times of receipt of a TSN GM synchronization message at an ingress port of the NW-TT module and at an ingress port of the DS-TT module to determine a DS-TT ingress residence time (RDS-TT). Then, using the RDS-TT to synchronize the DS-TT module with the TSN GM.
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