Real-time adaptive convergence estimation system for time synchronization

A time synchronization and self-adaptive technology, applied in the direction of time division multiplexing system, electrical components, multiplexing communication, etc.

Active Publication Date: 2021-01-01
SOUTHWEAT UNIV OF SCI & TECH
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  • Description
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Problems solved by technology

[0003] Aiming at the above-mentioned deficiencies in the prior art, a time-synchronized real-time self-adaptive convergence estimation system provided by the present invention solves the problem of online estimation of the network time synchronization convergence state without prior art

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  • Real-time adaptive convergence estimation system for time synchronization
  • Real-time adaptive convergence estimation system for time synchronization
  • Real-time adaptive convergence estimation system for time synchronization

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Embodiment Construction

[0025] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0026] Such as figure 1 As shown, a time-synchronized real-time adaptive convergence estimation system includes:

[0027] a synchronization error estimation unit, configured to obtain an estimated value of the synchronization error;

[0028] In the present invention, the instantaneous clock offset between nodes is used as the synchronization error estimation value E l [k], the specific implementation depends on the time s...

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Abstract

The invention discloses a real-time adaptive convergence estimation system for time synchronization. The real-time adaptive convergence estimation system comprises a synchronization error estimation unit, a synchronization error feature estimation model and a real-time convergence detection model. The method can be applied to a distributed system or a wireless network with a time synchronization requirement, the method is integrated into a time synchronization algorithm used by an application object, and the synchronization error convergence probability is further calculated by utilizing timemigration estimation obtained by the time synchronization algorithm. The synchronization error convergence probability obtained by the method can be used as a basis for determining the system time synchronization precision and convergence state by other applications or a time synchronization algorithm.

Description

technical field [0001] The invention relates to the technical field of time synchronization, in particular to a real-time self-adaptive convergence estimation system for time synchronization. Background technique [0002] According to published papers at home and abroad, relevant patent information, and related protocols or standards such as NTP (Network Time Protocol), IEEE standard 1588v2, WIA-PA, ISA100.11a and WirelessHART, the existing technologies for large-scale wireless network time synchronization are mainly Concentrate on time information exchange, parameter estimation and implementation schemes of time synchronization algorithms. However, there is no specific research on the online estimation of network time synchronization convergence state. Contents of the invention [0003] Aiming at the above-mentioned shortcomings in the prior art, a real-time self-adaptive convergence estimation system for time synchronization provided by the present invention solves the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06
CPCH04J3/0661
Inventor 石繁荣冉莉莉张秋云常志远张静
Owner SOUTHWEAT UNIV OF SCI & TECH
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