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Communication service switching method, network system and interworking function entity

A technology of interworking functional entities and processing methods, applied in the field of network systems, interworking functional entities, and communication service switching processing methods, can solve problems such as inability to realize GERAN/UTRANCS domain service switching, inability to handle CS domain signaling processes, etc., and achieve guaranteed The effect of communication service quality

Active Publication Date: 2014-01-01
HUAWEI TECH CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

However, in the process of realizing the present invention, the inventors found that: since the evolved base station (Evolved NodeB, hereinafter referred to as eNB) in the existing E-UTRAN cannot handle the signaling process of the CS domain, the current CS domain service handover from GERAN / UTRAN to E-UTRAN is still not possible

Method used

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  • Communication service switching method, network system and interworking function entity
  • Communication service switching method, network system and interworking function entity
  • Communication service switching method, network system and interworking function entity

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Embodiment Construction

[0041]Since many communication services provided by operators run in the CS domain, in order to provide existing CS services in the LTE network, the prior art connects the EPS core network to the CS domain core network. Such as figure 1 As shown, it is a schematic diagram of a networking structure of GERAN, UTRAN, Evolved UMTS Terrestrial Radio Access Network (Evolved UMTS Terrestrial Radio Access Network, hereinafter referred to as: E-UTRAN) and EPS core network. according to figure 1 , a user terminal (User Equipment, hereinafter referred to as: UE) is connected to the MSC of the CS core network through an interworking function entity (Interworking Function, hereinafter referred to as: IWF). The IWF has the ability to simulate the Iu-CS / A interface, and the protocol stack corresponding to the Iu-CS / A interface can be configured on the IWF. When the UE communicates with the MSC, it first sends a message to the IWF. After receiving the message sent by the UE, the IWF conver...

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Abstract

A method, a network system and an interworking function entity for processing the switch of communication service are provided. The method includes: receiving a first register request message sent from a source network by a user equipment, and completing the register of the user equipment to a service interworking function (IWF) of the user equipment; receiving a second register request message sent from the source network by the user equipment, and sending the second register request message to a source service mobility management entity(MME) of the user equipment, so as to complete the register of the user equipment to the source service MME; receiving a switch request message of the user equipment in the source network, and forwarding the switch request message to the source service MME, so as to make the source service MME to perform a switch process to switch the user equipment into a target network.

Description

technical field [0001] The invention relates to communication technology, in particular to a communication service switching processing method, a network system and an interworking functional entity. Background technique [0002] The circuit switched (Circuit Switched, hereinafter referred to as: CS) domain mainly processes voice services. The signaling plane control entity of the CS domain is a mobile switching center / visitor location register (Mobile Switch Center / Visitor Location Register, hereinafter referred to as: MSC / VLR). In the GSM / Enhanced Data Rate GSM Evolved Radio Access Network (GSM / EDGE Radio Access Network, hereinafter referred to as GERAN), the wireless access network element Base Station Controller (Base Station Controller, hereinafter referred to as: BSC) and the base station (Base Transceiver Station, hereinafter referred to as: BTS) is connected to MSC through A interface. In the Universal Mobile Telecommunications System (hereinafter referred to as: U...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/16H04W36/24H04W60/00H04W76/02H04W80/04
CPCH04W36/0066
Inventor 陈中平吴问付
Owner HUAWEI TECH CO LTD
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