CN104053143A - Method for realizing the roaming of mobile terminal from DSN to soft switching network and system thereof - Google Patents
Method for realizing the roaming of mobile terminal from DSN to soft switching network and system thereof Download PDFInfo
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- CN104053143A CN104053143A CN201310082095.1A CN201310082095A CN104053143A CN 104053143 A CN104053143 A CN 104053143A CN 201310082095 A CN201310082095 A CN 201310082095A CN 104053143 A CN104053143 A CN 104053143A
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Abstract
The invention discloses a method for realizing the roaming of mobile terminal from a distributed service network (DSN) to a soft switching network. The method comprises the step that a visitor location register application server (VLR-AS) carries out the registration undoing treatment of the DSN on the mobile phone after the fact that a mobile terminal roams from the DSN to the soft switching network is obtained. The invention also discloses the VLR-AS and the system for realizing the roaming of the mobile terminal from the DSN to the soft switching network, by employing the method, the VLR-AS and the system, the roaming of the mobile terminal from the DSN to the soft switching network can be effectively realized.
Description
Technical field
The present invention relates to Distributed Services network (DSN, Distributed Service Network) technology, relate in particular to a kind of mobile terminal and roam into from DSN implementation method and the system of soft switch (Soft Switching) network.
Background technology
DSN be a kind of towards mobile Internet business, there is carrier class operation ability and the core network between business and bearer network.DSN is that a new generation proposing for telecommunication service and mobile Internet business can run, manageable distributed core net system and function structure, is mainly used in tackling some challenges that current telecommunications network and internet (Intemet) face in business and operation.DSN has drawn that telecommunications network can be runed, manageable characteristic and Intemet in business aspect providing fast, flexibly, low cost, extendible characteristic.
DSN mainly adopts equity (P2P, Peer to Peer) the technology distributed technology of internet arena, the configuration diagram that Fig. 1 is DSN.As shown in Figure 1, the service node in DSN (SN, Service Node) adopt distributed framework, distributed framework make DSN there is good self-organizing, from disaster tolerance and dynamic load leveling ability.In DSN, SN has absorbed the strong point of P2P technology and cloud computing, forms the switch of a vast capacity distributing in logic; Between SN, get up based on P2P technical organization, form P2P stack (Overlay) network, each SN all participates in tissue, addressing and the maintenance of Overlay network; Particularly, between SN, adopt other distributed hashtable of carrier-class (DHT, Distributed Hash Table) tissue and cooperate, realizing distributed storage, backup and dynamic load leveling; The major function of SN comprises: distributed index, routing addressing, session control, business triggering and data storage etc.In the time disposing SN, can, based on generic server, on every station server, can dispose one or more SN.
Aspect telecommunications core network, DSN and R4Soft Switching network and IP Multimedia System (IMS, the IP Multimedia Subsystem) same layer of network in telecommunications network; Aspect the Internet, DSN, from the P2P networking telephone (VoIP, Voice over Intemet Protocol) and the incision of P2P Streaming Media, has extracted public distributed network ability, for Internet service provides service.DSN is as the telecommunications core network after IMS, in business providing capability side, Internet direction takes another step, this is mainly reflected on the professional ability framework of distribution, can control Overlay network support lightweight VoIP business by distributed conversation, and propose the concept of content exchange net; Here, described content exchange net is used to user that the application of various content class services is provided, and comprises live, program request and file download etc.In the time realizing content class service application, except wanting outside the polytype terminals such as adapted to individual computer (PC, Personal Computer) and mobile phone, also need to provide the support to fixed network and mobile network's fusion.From the angle of operator, adopt DSN can save Internet resources, balanced flow.
Soft Switching network is packet-based network, and it can be separated controlling with carrying, is that next generation network is called out and the core of controlling.The basic definition of Soft Switching technology is: CCF is separated from media gateway (MGW, Media GateWay), realized basic call control function by software, thereby realize call transfer and call out separating of controlling; Here the transport layer of described MGW in network.R4Soft Switching network is as the core net of existing communication network, for the user of existing 2G and 3G provides service.
Fig. 2 is R4Soft Switching network central control preparative layer architectural schematic, as shown in Figure 2, the framework of R4Soft Switching network central control preparative layer is mainly by the (MSC of mobile switching centre, MobileSwitching Center), VLR Visitor Location Register (VLR, Visitor Location Register), attaching position register (HLR, Home Location Register), MGW and MGCF (MGCF, Media Gateway Control Function); Here the control appliance that, described MGCF is described MGW; Wherein, MSC is server, completes the most basic function of exchange, and a series of services such as bearer service, basic service and supplementary service are provided for user, and meanwhile, MSC is the mobility functions such as supporting location registration and automatic roaming also; VLR is for storing all users for information about whole that enter its area of coverage, for registered mobile subscriber provides the necessary condition of setting up call proceeding, VLR general and MSC on physical entity closes and establishes, like this, can avoid the time delay that continues brought due to frequent contact between MSC and VLR as far as possible; HLR is the central database of R4Soft Switching network system, be responsible for depositing user-dependent all information, comprise: user's roaming authority, basic service, supplementary service and current location information etc., for providing, MSC sets up related datas such as calling out required routing iinformation.MGCF and MGW, as the functional entity interconnecting between Soft Switching network and other networks, are responsible for carrying out the adaptive and conversion of associated call control protocol.
At present, in switching network evolution process, when DSN and R4Soft Switching network and when depositing and carrying out intercommunication, as shown in Figure 3, using R4Soft Switching network as core net, HLR is responsible for preserving all user profile; AGCF (m-AGCF, m-Access Gateway Control Function) be responsible for realizing mobile terminal access, completing circuit territory (CS, the Circuit Domain) signaling and session initiation protocol (SIP, Session Initiation Protocol) signaling mutual; P2P routing node (P2P-RN, P2P Routing Node) can be inquired about the SN into user's service by DSN; VLR application server (VLR-AS, VLR Application Server) is the mutual bridge of SN and HLR, and SN accesses HLR by VLR-AS; MGCF is responsible for assisting with the calling control of bearer independent in calling procedure the protocol translation of (BICC, Bearer Independent Call Control protocol) signaling and SIP signaling.
At present, although had the scheme that DSN and R4Soft Switching network carry out intercommunication, but, in DSN and these two kinds of networks of R4Soft Switching network, how to realize the mobile technical solution that do not have for mobile terminal, particularly, also do not have mobile terminal to roam into the technical solution of R4Soft Switching network from DSN at present.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of mobile terminal to roam into implementation method and the system of Soft Switching network from DSN, can effectively realize the roaming of mobile terminal from DSN to Soft Switching network.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of mobile terminal roams into flexible exchanging network implementation method from DSN, the method comprises:
Know that mobile terminal is from DSN roams into flexible exchanging network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN.
In such scheme, the method also comprises:
Mobile terminal is from DSN roams into flexible exchanging network, and described VLR-AS, by VLR and the HLR of described flexible exchanging network, knows that described mobile terminal roams into flexible exchanging network from DSN.
In such scheme, described VLR-AS, by VLR and the HLR of described flexible exchanging network, knows that described mobile terminal roams into flexible exchanging network from DSN, comprising:
When described mobile terminal is from DSN roams into flexible exchanging network, send position updating request to described VLR;
Described VLR sends position updating request to described HLR;
Described HLR receives after position updating request, sends canceling position request to described VLR-AS.
In such scheme, described VLR-AS is the solution location registration process that described mobile terminal carries out DSN, comprising:
Described VLR-AS receives after the canceling position request from described HLR, described canceling position request is converted into solution registration request, and sends described solution registration request to P2P-RN;
Described P2P-RN inquires about as described mobile terminal provides the SN of service to DSN, and forwards described solution registration request to described SN;
Described SN receives after described solution registration request, returns and separates registration response to described P2P-RN;
Accordingly, respectively ask corresponding response to be returned according to former road.
In such scheme, send described solution registration request to P2P-RN before, the method also comprises:
Between described VLR-AS and described P2P-RN, set up interface;
Accordingly, describedly send described solution registration request to P2P-RN, for:
Send described solution registration request by the interface of setting up to described P2P-RN.
The present invention provides again a kind of VLR-AS, and this VLR-AS comprises: know module and processing module; Wherein,
Know module, for knowing that mobile terminal is from DSN roams into flexible exchanging network, trigger processing module;
Processing module, for after being learned module and triggering, for described mobile terminal carries out the solution location registration process of DSN.
In such scheme, described in know module, also for mobile terminal from DSN roams into flexible exchanging network, by VLR and the HLR of described flexible exchanging network, know that described mobile terminal roams into flexible exchanging network from DSN.
The system that realizes that the present invention also provides a kind of mobile terminal to roam into flexible exchanging network from DSN, comprises mobile terminal; This system also comprises VLR-AS, and for knowing that mobile terminal is from DSN roams into flexible exchanging network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN.
In such scheme, this system also comprises: HLR and VLR; Wherein,
Described VLR-AS, also for mobile terminal from DSN roams into flexible exchanging network, by VLR and the HLR of described flexible exchanging network, know that described mobile terminal roams into flexible exchanging network from DSN.
In such scheme, this system also comprises: P2P-RN and SN; Wherein,
Described HLR, for sending canceling position request to described VLR-AS;
For described mobile terminal is while carrying out the solution location registration process of DSN, described VLR-AS specifically for: the described canceling position request from described HLR of receiving is converted into solution registration request, and sends described solution registration request to P2P-RN;
Described P2P-RN, for receiving after the described solution registration request of VLR-AS transmission, inquires about as described mobile terminal provides the SN of service to DSN, and forwards described solution registration request to described SN; And receive the solution registration response that described SN returns; Accordingly, respectively ask corresponding response to be returned according to former road;
Described SN, for receiving after the described solution registration request of described P2P-RN forwarding, returns and separates registration response to described P2P-RN.
Mobile terminal provided by the invention roams into implementation method and the system of Soft Switching network from DSN, know that mobile terminal is from DSN roams into Soft Switching network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN, so, when mobile terminal roams to from DSN Soft Switching network, can effectively realize the roaming of mobile terminal from DSN to Soft Switching network, thus the continuity of the business of guarantee, and then promote user's experience.
Brief description of the drawings
Fig. 1 is the configuration diagram of DSN in prior art;
Fig. 2 is R4Soft Switching network central control preparative layer architectural schematic in prior art;
Fig. 3 is the configuration diagram that in prior art, DSN and R4Soft Switching network carry out intercommunication;
Fig. 4 is mobile terminal of the present invention roams into Soft Switching network implementation method schematic flow sheet from DSN;
Fig. 5 is embodiment of the present invention mobile terminal roams into Soft Switching network implementation method schematic flow sheet from DSN;
To be mobile terminal of the present invention roam into Soft Switching network from DSN to Fig. 6 realizes system configuration schematic diagram.
Embodiment
Conventionally, mobile terminal can cause described mobile terminal in new network, to be registered and position renewal in the movement between network, and in old network, separate and register and canceling position processing simultaneously, therefore, basic thought of the present invention is: know that mobile terminal is from DSN roams into Soft Switching network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN.
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
Mobile terminal of the present invention roams into the implementation method of Soft Switching network from DSN, as shown in Figure 4, comprise the following steps:
Step 401: mobile terminal is from DSN roams into Soft Switching network, and VLR-AS, by VLR and the HLR of described Soft Switching network, knows that described mobile terminal roams into Soft Switching network from DSN;
Particularly, when described mobile terminal roams into from DSN Soft Switching network, send position updating request to described VLR;
Described VLR sends position updating request to described HLR;
Described HLR receives after position updating request, sends canceling position request to described VLR-AS;
Wherein, described VLR-AS receives after described canceling position request, shows that described VLR known that described mobile terminal roams into Soft Switching network from DSN.
Step 402: know that described mobile terminal is from DSN roams into Soft Switching network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN;
Particularly, described VLR-AS receives after the canceling position request from described HLR, described canceling position request is converted into solution registration request, and sends described solution registration request to P2P-RN;
Described P2P-RN inquires about as described mobile terminal provides the SN of service to DSN, and forwards described solution registration request to described SN;
Described SN receives after described solution registration request, returns and separates registration response to described P2P-RN;
Accordingly, respectively ask corresponding response to be returned according to former road;
Wherein, send described solution registration request to P2P-RN before, the method can further include:
Between described VLR-AS and described P2P-RN, set up interface;
Accordingly, described VLR-AS sends described solution registration request by the interface of setting up to described P2P-RN;
Here the interface of setting up, can adopt existing any one interface.
Response corresponding to described each request returned according to former road, specifically comprises:
Described P2P-RN receives after described solution registration response, cancels response to described VLR-AS home position;
Described VLR-AS returns to described canceling position response to described HLR;
Described HLR upgrades response to described VLR home position;
Described VLR returns to described position to described mobile terminal and upgrades response.
Here, it should be noted that: when described mobile terminal from Soft Switching netsurfing to the process of DSN, follow in the position of DSN and upgrade and register flow path, repeat no more here.
Below in conjunction with embodiment, the present invention is described in further detail again.
The present embodiment mobile terminal roams into the implementation method of Soft Switching network from DSN, as shown in Figure 5, comprise the following steps:
Step 501: when mobile terminal roams into from DSN Soft Switching network, send position updating request to the VLR of Soft Switching network;
Here, described mobile terminal can be specifically mobile (mobile) subscriber equipment (UE, User Equipment).
Described VLR is general on physical entity to be closed and establishes with MSC, like this, can avoid the time delay that continues of bringing due to frequent contact between MSC and VLR as far as possible.
Described position updating request can comprise: type, the Ciphering Key Sequence Number that position is upgraded, lane place identification code and the international mobile subscriber identity (IMSI of mobile terminal stores, International Mobile Subscriber Identification Number) or interim identification code (TMSI, Temporary Mobile Subscriber Identity) or International Mobile Equipment Identity code (IMEI, International Mobile Equipment Identity)).
Step 502: described VLR receives after position updating request, sends position updating request to the HLR of Soft Switching network;
Here, described position updating request can comprise: mobile terminal identification, service MSC mark, switching system information and system access type etc.
Step 503: described HLR receives after position updating request, sends canceling position request to the VLR-AS of DSN;
Here, described canceling position request can comprise: mobile terminal identification, service MSC mark and canceling position type etc.
Step 504: described VLR-AS receives after canceling position request, and described canceling position request is converted into solution registration request, and sends described solution registration request to the P2P-RN of DSN;
Here, described described canceling position request is converted into solution registration request, is specially:
Information in described canceling position request is mapped to the corresponding information in described solution registration request;
Wherein, described information in described canceling position request is mapped to the conventional techniques means that the concrete processing procedure of the corresponding information in registration request of separating is those skilled in the art, repeats no more here.
Described solution registration request can comprise: be zero the effective time of the user's of solution log-on message information, the identify label (Call-ID, Call-IDentity) of calling, binding etc.Wherein, be that null representation registration is invalid the effective time of described binding.
Step 505: described P2P-RN receives after described solution registration request, inquires about as described mobile terminal provides the SN of service, and forward described solution registration request to described SN to DSN;
Here for providing the concrete processing procedure of the SN of service, described mobile terminal can adopt prior art to DSN inquiry.
Step 506: described SN receives after described solution registration request, returns and separates registration response to described P2P-RN;
Step 507: described P2P-RN receives after described solution registration response, cancels response to described VLR-AS home position;
Step 508: described VLR-AS receives after described canceling position response, returns to described canceling position response to described HLR;
Step 509: described HLR receives after described canceling position response, upgrades response to described VLR home position;
Step 510: described VLR receives after the renewal response of described position, upgrades response to described mobile terminal home position.
So far, complete solution registration and the canceling position processing of mobile terminal at DSN.
For realizing said method, the present invention provides again a kind of VLR-AS, and this VLR-AS comprises: know module and processing module; Wherein,
Know module, for knowing that mobile terminal is from DSN roams into Soft Switching network, trigger processing module;
Processing module, for after being learned module and triggering, for described mobile terminal carries out the solution location registration process of DSN.
Wherein, described in know module, also for mobile terminal from DSN roams into Soft Switching network, by HLR and the VLR of described Soft Switching network, know that described mobile terminal roams into Soft Switching network from DSN.
For realizing said method, the system that realizes that the present invention also provides a kind of mobile terminal to roam into SoftSwitching network from DSN, comprises mobile terminal; As shown in Figure 6, this system also comprises VLR-AS61, and for knowing that mobile terminal is from DSN roams into Soft Switching network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN.
Wherein, specifically know that by the module of knowing of VLR-AS mobile terminal is from DSN roams into SoftSwitching network, trigger the processing module of VLR-AS; After described processing module is learned module and triggers, for described mobile terminal carries out the solution location registration process of DSN.
This system can further include: VLR62 and HLR63; Wherein,
Described VLR-AS, also for mobile terminal from DSN roams into Soft Switching network, by VLR62 and the HLR63 of described Soft Switching network, know that described mobile terminal roams into Soft Switching network from DSN.
Wherein, specifically know that by described module passes through VLR62 and the HLR63 of described Soft Switching network, know that described mobile terminal roams into Soft Switching network from DSN.
This system can further include: P2P-RN64 and SN65; Wherein,
Described HLR63, for sending canceling position request to described VLR-AS61;
For described mobile terminal is while carrying out the solution location registration process of DSN, described VLR-AS61 specifically for: the described canceling position request from described HLR63 of receiving is converted into solution registration request, and sends described solution registration request to P2P-RN;
Described P2P-RN64, for receiving after the described solution registration request of VLR-AS61 transmission, inquires about as described mobile terminal provides the SN65 of service to DSN, and forwards described solution registration request to described SN65; And receiving after the solution registration response that described SN65 returns, respectively ask corresponding response to be returned according to former road;
Described SN65, for receiving after the described solution registration request of described P2P-RN64 forwarding, returns and separates registration response to described P2P-RN64.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. mobile terminal roams into an implementation method for flexible exchanging network from Distributed Services network (DSN), it is characterized in that, the method comprises:
Know that mobile terminal is from DSN roams into flexible exchanging network, VLR Visitor Location Register application server (VLR-AS) is the solution location registration process that described mobile terminal carries out DSN.
2. method according to claim 1, is characterized in that, the method also comprises:
Mobile terminal is from DSN roams into flexible exchanging network, described VLR-AS, by VLR Visitor Location Register (VLR) and the attaching position register (HLR) of described flexible exchanging network, knows that described mobile terminal roams into flexible exchanging network from DSN.
3. method according to claim 2, is characterized in that, described VLR-AS, by VLR and the HLR of described flexible exchanging network, knows that described mobile terminal roams into flexible exchanging network from DSN, comprising:
When described mobile terminal is from DSN roams into flexible exchanging network, send position updating request to described VLR;
Described VLR sends position updating request to described HLR;
Described HLR receives after position updating request, sends canceling position request to described VLR-AS.
4. according to the method described in claim 1,2 or 3, it is characterized in that, described VLR-AS is the solution location registration process that described mobile terminal carries out DSN, comprising:
Described VLR-AS receives after the canceling position request from described HLR, described canceling position request is converted into solution registration request, and sends described solution registration request to reciprocity routing node (P2P-RN);
Described P2P-RN inquires about as described mobile terminal provides the service node (SN) of service to DSN, and forwards described solution registration request to described SN;
Described SN receives after described solution registration request, returns and separates registration response to described P2P-RN;
Accordingly, respectively ask corresponding response to be returned according to former road.
5. method according to claim 4, is characterized in that, send described solution registration request to P2P-RN before, the method also comprises:
Between described VLR-AS and described P2P-RN, set up interface;
Accordingly, describedly send described solution registration request to P2P-RN, for:
Send described solution registration request by the interface of setting up to described P2P-RN.
6. a VLR-AS, is characterized in that, this VLR-AS comprises: know module and processing module; Wherein,
Know module, for knowing that mobile terminal is from DSN roams into flexible exchanging network, trigger processing module;
Processing module, for after being learned module and triggering, for described mobile terminal carries out the solution location registration process of DSN.
7. VLR-AS according to claim 6, it is characterized in that, described in know module, also for mobile terminal from DSN roams into flexible exchanging network, by VLR and the HLR of described flexible exchanging network, know that described mobile terminal roams into flexible exchanging network from DSN.
8. the system that realizes that mobile terminal roams into flexible exchanging network from DSN, comprises mobile terminal; It is characterized in that, this system also comprises VLR-AS, and for knowing that mobile terminal is from DSN roams into flexible exchanging network, VLR-AS is the solution location registration process that described mobile terminal carries out DSN.
9. system according to claim 8, is characterized in that, this system also comprises: HLR and VLR; Wherein,
Described VLR-AS, also for mobile terminal from DSN roams into flexible exchanging network, by VLR and the HLR of described flexible exchanging network, know that described mobile terminal roams into flexible exchanging network from DSN.
10. system according to claim 9, is characterized in that, this system also comprises: P2P-RN and SN; Wherein,
Described HLR, for sending canceling position request to described VLR-AS;
For described mobile terminal is while carrying out the solution location registration process of DSN, described VLR-AS specifically for: the described canceling position request from described HLR of receiving is converted into solution registration request, and sends described solution registration request to P2P-RN;
Described P2P-RN, for receiving after the described solution registration request of VLR-AS transmission, inquires about as described mobile terminal provides the SN of service to DSN, and forwards described solution registration request to described SN; And receive the solution registration response that described SN returns; Accordingly, respectively ask corresponding response to be returned according to former road;
Described SN, for receiving after the described solution registration request of described P2P-RN forwarding, returns and separates registration response to described P2P-RN.
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| CN112887959A (en) * | 2020-10-29 | 2021-06-01 | 中国电子科技集团公司第三十研究所 | Method for realizing distributed WCDMA user roaming data synchronization |
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