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.
Patent No.:
Date of Patent:
Aug. 02, 2022
Filed:
Nov. 18, 2019
Datang Mobile Communications Equipment Co., Ltd., Beijing, CN;
Qiang Deng, Beijing, CN;
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing, CN;
Abstract
The present application relates to the field of wireless communication technology, in particular to a data transmission method and device, used to solve the problem of there being no solution for sending cached downlink data in a source communication system to a UE after the UE crosses the communication system. An MME entity in a second mobile communication system of an embodiment of the present application receives a downlink data cache indication sent by an SMF entity located in a first mobile communication system; the MME entity initiates the establishment of a user plane connection and/or control plane connection of a UE, so that a user plane functional entity sends the cached downlink data to the UE by means of the user plane connection and/or control plane connection.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile