Method and device for detaching user equipment

US9380552B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9380552-B2
Application numberUS-201414500062-A
CountryUS
Kind codeB2
Filing dateSep 29, 2014
Priority dateJun 17, 2008
Publication dateJun 28, 2016
Grant dateJun 28, 2016

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  5. First independent claim

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Abstract

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A method and device for detaching a user equipment (UE) are disclosed in the present invention. The UE is registered with a mobility management entity (MME) in a packet switched (PS) network and a mobile switching center (MSC) in a circuit switched (CS) network. When the UE needs to detach from the PS network, the MSC receives a Detach Request with a Detach Type indicating the detaching from the PS network only; after receiving the Detach Request, the MSC deletes the context of the PS core network entity and clears the connection between the MSC and the MME. An MME for performing UE detachment is also disclosed in the present invention. The present invention helps reduce the time delay during the subsequent handover and quickly provide users with communications services, so as to improve user's experience and meet the carriers' requirements.

First claim

Opening claim text (preview).

What is claimed is: 1. A system for detaching a user equipment (UE) in a situation when the UE is attached to an evolved packet system (EPS) network and a circuit switched (CS) network, the system comprising: a mobility management entity (MME) device in the EPS network, configured to receive a first message from the UE, wherein the first message comprises a detach type indicating EPS detach only, and transmit an indication message according to the detach type; a mobile switching…

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What does patent US9380552B2 cover?
A method and device for detaching a user equipment (UE) are disclosed in the present invention. The UE is registered with a mobility management entity (MME) in a packet switched (PS) network and a mobile switching center (MSC) in a circuit switched (CS) network. When the UE needs to detach from the PS network, the MSC receives a Detach Request with a Detach Type indicating the detaching from th…
Who is the assignee on this patent?
Huawei Tech Co Ltd
What technology area does this patent fall under?
Primary CPC classification H04W60/06. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jun 28 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).