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Clock drift processing method, network function network element and storage medium

A technology of network function and clock drift, applied in the field of communication

Active Publication Date: 2019-09-06
TENCENT TECH (SHENZHEN) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the UPF network element finds that the clock difference changes, it will notify the SMF network element, and then the SMF network element may initiate the packet data unit (Packet DataUnit, PDU) session modification process, and send the new data arrival time caused by the new clock difference For RAN, because clock drift is very common, UPF network elements will frequently trigger SMF network elements to initiate the PDU session modification process, causing a large amount of signaling

Method used

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  • Clock drift processing method, network function network element and storage medium
  • Clock drift processing method, network function network element and storage medium
  • Clock drift processing method, network function network element and storage medium

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Embodiment Construction

[0085] Embodiments of the present application are described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Those of ordinary skill in the art know that, with the development of technology and the emergence of new scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0086] The terms "fourth", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and...

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Abstract

The invention discloses a clock drift processing method. The SMF network element can obtain the drift amplitude value of the clock domain of the data network relative to the clock domain of the wireless network. Then, the drift amplitude value is sent to a UPF network element; the UPF network element sends a notification message to the SMF network element only when detecting that the drift maximumvalue is greater than the drift amplitude value; in this way, the process that the SMF network element initiates PDU session modification is triggered, the updated TSCAI is sent to the RAN device, and therefore when precise time control over the data flow of the clock domain of the data network is achieved, signaling expenditure can be saved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a clock drift processing method, a network function element and a storage medium. Background technique [0002] The fifth generation (5th Generation, 5G) (Release16, R16) version introduces the time-sensitive communication (Time Sensitive Communication, TSC) of the time-sensitive network (TimeSensitive Network, TSN), so that 5G supports precise time-controlled industrial automation manufacturing application. [0003] In order to help the 5G radio access network ((Radio)Access Network, (R)AN) perform precise time control, the session management function (Session Management Function, SMF) network element provides The service information determines time-sensitive communication assistance information (Assistance Information TSC, TSCAI), and TSCAI is actually the precise time information of the local wireless network clock of the data stream arriving at the RAN de...

Claims

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Application Information

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IPC IPC(8): H04J3/06
CPCH04J3/0682H04J3/0638H04J3/0667H04J3/14H04W56/001H04L67/14
Inventor 王涛
Owner TENCENT TECH (SHENZHEN) CO LTD
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