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State update method and equipment

A state update, state technology, applied in the field of communication, can solve the problem of MT call delay for a long time, increasing MT call failure and other problems

Active Publication Date: 2015-07-01
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] Embodiments of the present invention provide a state update method and device to solve the problem that in the existing CSFB scenario, the UE falls back to the 2G / 3G network and continues to camp on the 2G / 3G network after completing the CS voice call, causing each subsequent MT call to fail. The problem of being delayed for a long time, greatly increasing the probability of MT call failure

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Embodiment Construction

[0149] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0150] In the embodiment of the present invention, the user equipment UE (User Equipment) may be any of the following, and the user equipment may be static or mobile. User equipment may include but not limited to: Station, Mobile Station, Subscriber Unit, Personal Computer, Laptop Computer, Tablet Computer, Netbook (Netbook), Terminal (Terminal),...

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Abstract

The embodiment of the present invention provides a state update method and equipment. The method comprises: an MSC (Mobile Switching Center) / VLR (Visitor Location Register) determining that the CSFB (Circuit Switch Fallback) service of UE (User Equipment) is ended; and the MSC / VLR deleting the first SGs association of the UE on the MSC / VLR. In the embodiment of the present invention, after the MSC / VLR determines that the CSFB service of the UE is ended, the local SGs association of the UE is deleted. Thus, when an MT (Mobile Terminating) call request of the UE is received subsequently, an air interface paging to the UE is directly initiated because no SGs association of the UE exists locally, thereby avoiding repeated timeout retransmissions, reducing the delay time of an MT call and greatly increasing the success probability of the MT call.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular, to a status update method and device. Background technique [0002] Based on the Mobile Switching Center (MSC) / Visitors Location Register (VLR) and the mobility management entity in the second generation / the third generation (2G / 3G) network (Mobility Management Entity, referred to as MME) between the SGs interface function, the third generation partnership project (3rd Generation Partnership Project, referred to as 3GPP) proposed circuit domain fallback (Circuit Switch Fallback, referred to as CSFB) technology and SGs short message service ( Short Message Service over SGs (SMS over SGs for short) technology. [0003] In the CSFB and SMS over SGs mechanism, user equipment that resides in the Evolved Universal Mobile Telecommunications System Territorial Radio Access Network (E-UTRAN for short) and supports CSFB and / or SMS over SGs (User Equipment, referred to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/06H04W36/14
CPCH04W36/14H04W76/36
Inventor 舒林吴晓波朱浩鹏
Owner HUAWEI TECH CO LTD
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