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Title:
CLOCK DRIFT PROCESSING METHOD, NETWORK FUNCTION NETWORK ELEMENTS, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2020/259134
Kind Code:
A1
Abstract:
A clock drift processing method. An SMF network element obtains a drift range value of the clock domain of a data network relative to the clock domain of a wireless network, and then sends the drift range value to a UPF network element. The UPF network element sends a notification message to the SMF network element only upon detecting that the maximum drift value is greater than the drift range value, and triggers the SMF network element to initiate a PDU session modification process and to send an updated TSCAI to a RAN device, thus saving signaling overheads while achieving accurate time control over data flows in the clock domain of the data network.

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Inventors:
WANG TAO (CN)
Application Number:
PCT/CN2020/091224
Publication Date:
December 30, 2020
Filing Date:
May 20, 2020
Export Citation:
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Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
H04J3/06
Domestic Patent References:
WO2018221238A12018-12-06
Foreign References:
CN110213007A2019-09-06
CN102144363A2011-08-03
CN201910550491A2019-06-24
Other References:
ANONYMOUS: "System Architecture for the 5G System; Stage 2 (Release 16)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 23.501, vol. SA WG2, no. V16.1.0, 11 June 2019 (2019-06-11), pages 1 - 368, XP051753956
See also references of EP 3989462A4
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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