The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2023
Filed:
Aug. 26, 2021
Tsinghua University, Beijing, CN;
Tsinghua University, Beijing, CN;
Abstract
A method, an apparatus, and a system for time synchronization based on in-band telemetry are disclosed. The method includes: acquiring an estimated value of delay in a first transmission direction and an estimated value of delay in a second transmission direction; wherein the estimated value of delay in the first transmission direction is determined according to multiple delay samples in the first transmission direction, and the estimated value of delay in the second transmission direction is determined according to multiple delay samples in the second transmission direction, the first transmission direction is a direction from a second device to a first device, and the second transmission direction is vice versa; and determining a time system error of the first device relative to the second device according to the estimated value of delay in the first transmission direction and the estimated value of delay in the second transmission direction.