Circuit domain drop paging method and device

A circuit domain fallback and paging device technology, which is applied in the field of circuit domain fallback paging methods and devices, can solve problems such as CSFB called paging failure, improve the paging success rate, improve user perception, and improve network indicators Effect

Active Publication Date: 2016-07-06
CHINA MOBILE GRP GUANGDONG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is an urgent need for a method that can s

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  • Circuit domain drop paging method and device
  • Circuit domain drop paging method and device
  • Circuit domain drop paging method and device

Examples

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Example Embodiment

[0062]

[0063] There is no implementation of IMSI conversion TMSI for the second paging message in the prior art. When the MSC sends a paging request (PagingRequest) message to the MME, the message may carry IMSI or TMSI. When in the connected state, the MME will use the CS Service notification (CSService notification) message to transmit the message of the MSC second paging to the UE. The prior art does not consider whether the IMSI or TMSI should be carried in the CSService notification message. According to the description of the CSServicenotification signaling message in 3GPPTS23272MobileTerminatingcall, when the MSC initiates a second paging and sends the IMSI to the MME, the MME will issue a CSServicenotification message to the UE during the signaling process in the connected state, which also carries the IMSI. .

[0064] In order to overcome the paging failure problem mentioned in the previous article, in this embodiment, a new function is added to the MME. After the MM...

Example Embodiment

[0092]

[0093] In this embodiment, by adding a paging policy of a separate SGs port on the MSC, the TMSI is directly carried in the second paging request initiated by the MSC, which ensures the successful connection of the paging process.

[0094] Please refer to Picture 9 , The CSFB paging method provided in this embodiment includes the following steps:

[0095] Step 91: When initiating a second paging request for a target user, the MSC judges whether the second paging request is a second paging request based on the SGs port.

[0096] Step 92: If yes, carry the TMSI of the target user in the second paging request, and send the second paging request to the MME to initiate a second paging for the target user.

[0097] In the second paging strategy on the MSC, the above method separates the SGs port and sets it separately, so there is no need to modify the EPC existing network architecture or adjust the CSFB signaling process, which is easy to implement and can improve the follow-up of...

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Abstract

The invention provides a circuit domain drop paging method and device, and the method comprises the steps: enabling an MME to receive a paging request message which is sent by an MSC (mobile switching center) for a target user; enabling the MME to analyze the paging request message, and obtaining the paging identification, carried by the paging request message, of the target user; enabling the IMSI of the target user to be converted into a TMSI (Temporary Mobile Subscriber Identity) when the paging identification the IMSI (International Mobile Subscriber Identity) of the target user and the target user is in a connection state; downloading a CS service notification message carrying the TMSI of the target user, and carrying out the paging of the target user. The method improves the paging success rate of a CSFB called process, improves the network index, and improves the use perception of a user.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a circuit domain fallback (CSFB, Circuit Switched Fallback) paging method and device. Background technique [0002] Long Term Evolution (LTE, Long Term Evolution) is a pure data service network, and VoLTE based on IP Multimedia System (IMS, IPMultimedia Subsystem) network is the ultimate voice solution for LTE networks. When the ultimate solution construction has not been completed, CSFB technology can reuse the existing 2G / 3G mobile communication network to quickly realize LTE voice service. figure 1 It shows a CSFB network architecture in the prior art. In the CSFB network, the SGs interface between the Mobility Management Entity (MME, Mobility Management Entity) and the Mobile Switching Center Server (MSC Server) needs to be added to complete the UE in the evolved packet system ( Mobility management and paging process between EPS, EvolvedPacketSystem) and...

Claims

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Application Information

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IPC IPC(8): H04W68/00
Inventor 吴杰明胡冯梅
Owner CHINA MOBILE GRP GUANGDONG CO LTD
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