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Synchronization method, device and equipment and storage medium

A technology for synchronizing nodes and synchronizing information, which is applied in the field of communication and can solve problems such as unavailability, time deviation, and deterioration of communication network performance.

Pending Publication Date: 2021-03-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are frequency accuracy errors in atomic clocks, and time deviations appear between synchronization nodes after a period of time
At the same time, the time synchronization network adopts a master-slave time synchronization method that is passed down step by step. One of the defects of this method is that the upstream error is passed to the downstream, which will cause the performance of the communication network to deteriorate or even be unavailable.

Method used

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  • Synchronization method, device and equipment and storage medium
  • Synchronization method, device and equipment and storage medium
  • Synchronization method, device and equipment and storage medium

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Experimental program
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Embodiment Construction

[0021] Embodiments of the application will be described below with reference to the accompanying drawings.

[0022] The synchronization network, one of the support systems for the operation of the communication network, provides synchronization control signals for the clock (or carrier) of the communication equipment in the communication network to synchronize its working speed. The synchronization network is one of the basic networks of the communication network, and it is the key to ensure the timing performance of the network and thus ensure the smooth development of services. With Synchronous Digital Hierarchy (SDH), Asynchronous Transmission Mode (ATM), Code Division Multiple Access (CDMA), Internet Protocol (Internet Protocol, IP), Synchronous Ethernet , Precision Time Protocol (Precision Time Protocol, PTP), the development and application of satellite timing and other technologies, various new services / applications (such as positioning, Internet of Things, industrial a...

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PUM

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Abstract

The invention provides a synchronization method, device and equipment and a storage medium. The method comprises the following steps: receiving credible synchronization information of all synchronization nodes corresponding to each node to be synchronized; and adjusting the local time of each node to be synchronized according to a preset weighting algorithm and the trusted synchronization information.

Description

technical field [0001] The present application relates to communication, and in particular to a synchronization method, device, equipment and storage medium. Background technique [0002] The time synchronization network relies heavily on the Global Navigation Satellite System (GNSS) satellites, including the time source (for example, time server) for time service, the terminal application nodes (for example, base station) of the synchronization network, etc. When the GNSS satellite time signal source is lost or fails, the nodes based on its time service will perform time service through their respective frequency sources. For example, the time server will perform time service based on the internal atomic clock, etc., and the synchronous transmission node equipment and base station can be based on the frequency of the frequency synchronization network A source (also an atomic clock) for timekeeping. However, atomic clocks have frequency accuracy errors, and after a period o...

Claims

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Application Information

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IPC IPC(8): H04J3/06
CPCH04J3/0638
Inventor 罗彬王琳琳何力
Owner ZTE CORP