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:
Dec. 28, 2021
Filed:
Jan. 09, 2019
Datang Mobile Communications Equipment Co., Ltd, Beijing, CN;
Jiande Xi, Beijing, CN;
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD, Beijing, CN;
Abstract
A UPF element selection method includes: judging, by a SMF element, whether a target RAN node is connected to a current UPF element; if not, determining that a user terminal is moved out of a current UPF service area; sending, by the SMF element, a resource acquisition request to a NRF, a resource response message including a UPF list, wherein the UPF list includes a UPF address, and a service application ID list supported by the UPF element; receiving, by the SMF element, the resource response message fed back by the NRF; judging, by the SMF element, whether a current service application ID carried by the user terminal belongs to the service application ID list supported by the UPF element; and if yes, accessing the user terminal to a target UPF element. A UPF element selection device using the UPF element selection method is provided.