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:
Jun. 22, 2021
Filed:
Jun. 22, 2020
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A downlink data notification message sending method and apparatus are disclosed. In an embodiment a method includes receiving, a delay instruction from a mobility management network element, which is used to instruct a control plane network element to delay sending a DDN message, receiving, an event report message includes a reported event from a user plane network element, and the reported event is used to notify the control plane network element that a downlink data packet sent to UE matches no bearer, determining, that the UE is registered in the mobility management network element, and if the control plane network element has not received, within a first time period, routing information of a base station, sending, the DDN message to the mobility management network element when the first time period expires.