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.

Date of Patent:
Apr. 23, 2024

Filed:

Jan. 27, 2022
Applicant:

Huawei Technologies Co., Ltd., Guangdong, CN;

Inventors:

Chenchen Yang, Ottawa, CA;

Xudong Yang, Shanghai, CN;

Yinghao Jin, Billancourt, FR;

Wei Tan, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/02 (2009.01); H04W 36/00 (2009.01); H04W 36/14 (2009.01); H04W 36/32 (2009.01);
U.S. Cl.
CPC ...
H04W 36/023 (2013.01); H04W 36/0016 (2013.01); H04W 36/14 (2013.01); H04W 36/32 (2013.01);
Abstract

The disclosure provides data transmission methods and apparatuses. One example method includes when the terminal device needs to perform the cross-network movement, the terminal device sends a message to a network element of a network accessed by the terminal device, to notify that the terminal device is to perform the cross-network movement from a source network to a target network. Therefore, during the movement of the terminal device, a network side pauses transmission of user plane data of the terminal device, and buffers data that is not sent before the terminal device performs the cross-network movement. After accessing the target network, the network side sends the buffered data to the terminal device.


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