CN101415176A

CN101415176A - Method, system and apparatus for terminal position update

Info

Publication number: CN101415176A
Application number: CNA2007101631985A
Authority: CN
Inventors: 王济勇; 余勇军; 邓永锋
Original assignee: Huawei Technologies Co Ltd
Current assignee: Beijing wise help Technology Co. Ltd.
Priority date: 2007-10-16
Filing date: 2007-10-16
Publication date: 2009-04-22
Anticipated expiration: 2027-10-16
Also published as: CN101415176B

Abstract

The embodiment of the invention discloses a method for location updating by a terminal which is accessed in an SAE/LTE network. The method comprises: when determining that the terminal needs to update location to the 2G/3G network, the node of the SAE/LTE network sends location updating relevant information to the terminal; when the terminal receives the location updating relevant information, location updating in the 2G/3G network is realized by a network interconnection entity of the SAE/LTE network and the 2G/3G network according to the location updating relevant information. The embodiment of the invention also discloses a system for location updating by a terminal and a device thereof. By adopting the invention, the terminal accessed in the SAE/LTE network can obtain the location updating relevant information, so as to initiate Update location to the 2G/3G network according to the location updating relevant information.

Description

A kind of terminal is carried out position method for updating, system and device

Technical field

The present invention relates to moving communicating field, relate in particular to a kind of terminal and carry out position method for updating, system and device.

Background technology

The second generation/third generation (2G/3G) mobile communications network is through for many years deployment, can regard a kind of comprehensive covering to a certain extent as, along with System Architecture Evolution/Long Term Evolution (SAE/LTE) development of internet technology, the SAE/LTE network-covered is to some cities and traffic hot zones, make that in present communication network SAE/LTE network and 2G/3G network are also deposited.

At different network carrying mechanism, the audio call of mobile communication can be divided into following several classes:

The first kind is the session service of circuit (CS) territory carrying, as voice call;

Second class is the session service of packet switching (PS) territory carrying, is also referred to as Voice over IP (VoIP) class business, provides quality of service (OoS) to guarantee by IP multimedia service subsystem (IMS), as the voice call of IP carrying.

The SAE/LTE network is as the packet switching system of a kind of PS territory carrying, and audio call can only transmit in its packet domain carrying, and IMS controls audio call by IP-based network.In the 2G/3G network, audio call generally all is to be carried on the CS territory.

In audio call process, user terminal (UE) might be crossed over two networks, because the difference of mobile communication voice call bearer mechanism, when UE is manoeuvred into regional that another network base station covers from a zone that network base station covered, the interruption of audio call may occur, thereby influence the continuity that user speech is called out.In order to address this problem, guarantee the continuity that user speech is called out, when UE when a network enters another network, need carry out the switching of audio call between IMS and CS territory, adopt single Radio Link voice continuity (SRVCC) technology to realize the switching of audio call at present.

Switch for audio call from the SAE/LTE network to 2G/3G network C S territory, nine kinds of handover schemes have been proposed at present altogether, four kinds of solutions that are based on network interconnection entity (IWE) interconnection wherein comprise LTE-VMSC grappling scheme (LTE-VMSC anchor solution), IMS grappling scheme (IMS anchored voice continuity) and based on two kinds of inter-MSC schemes (inter-MSChandover with IMS centralized service) of IMS centralized services.In these four kinds of solutions, UE is connected to the CS territory of purpose 2G/3G network via the IWE node by single Radio Link of SAE/LTE network.In LTE-VMSC grappling scheme, the IWE node is CS-Proxy, has the function of MSC; In IMS grappling scheme, the IWE node is network interconnection functive (IWF), has BSS or/and the RNS function does not have the function of MSC; In the inter-MSC scheme based on the IMS centralized services, the IWE node is a PS-CS switching control function body (PCHCF), also has the function of MSC.

In above-mentioned four kinds of handover schemes based on IWE, when switching, require (to comprise safe context for switching provides legal CS context, below do not do specified otherwise, the CS context all comprises safe context), for this reason, need carry out contextual foundation of CS and maintenance process thereof, contextual foundation of CS and maintenance thereof are all upgraded by the position and are finished, and the CS context is to set up in the process of UE by position renewal carrying out CS registration.The CS context maintenance is to finish by normal position renewal and the periodic location update process of UE.UE carries out the position to be upgraded and need upgrade relevant information in the acquisition position, upgrades relevant information but how to obtain the position for UE, does not provide concrete implementation at present.

Summary of the invention

The embodiment of the invention provides a kind of terminal to carry out position method for updating, system and device, can't obtain to carry out the problem that desired position renewal relevant information is upgraded in the position to the 2G/3G network in order to solve the terminal that inserts the SAE/LTE network in the prior art.

The embodiment of the invention provides a kind of terminal to carry out the position method for updating, and described terminal inserts the SAE/LTE network, and this method comprises:

The node of SAE/LTE network need send the position to described terminal and upgrade relevant information when the 2G/3G network carry out the position renewal in definite described terminal;

Described terminal receives described position when upgrading relevant information, upgrades relevant information is implemented in described 2G/3G network by described SAE/LTE network and the interconnected entity of 2G/3G network of network position renewal according to described position.

The embodiment of the invention provides a kind of terminal to carry out the system that the position is upgraded, and this system comprises:

The notice node is arranged in the SAE/LTE network, is used for need sending the position to terminal and upgrade relevant information when the 2G/3G network carry out the position renewal in definite terminal;

Terminal inserts in the SAE/LTE network, when being used to receive described position and upgrading relevant information, upgrades relevant information to the interconnected entity initiation of described SAE/LTE network and described 2G/3G network of network position updating request according to described position;

Network interconnection entity is used to receive described position updating request.

The embodiment of the invention provides a kind of notifying device, and this device comprises:

Determining unit, the terminal that is used for definite connecting system architecture evolution/Long Term Evolution SAE/LTE network need be carried out the position renewal to the 2G/3G network;

Notification unit is used for determining that in described determining unit described terminal need send the position to described terminal and upgrade relevant information when the 2G/3G network carries out the position renewal.

The beneficial effect of the embodiment of the invention is:

In the embodiment of the invention, node by the SAE/LTE network sends position renewal relevant information to the terminal that inserts the SAE/LTE network, makes terminal to initiate the position to the 2G/3G network according to the position renewal relevant information that obtains and upgrades also completing place renewal process.

Description of drawings

Figure 1A is the applied network topological diagram of the embodiment of the invention;

Figure 1B is the applied network topological diagram of the embodiment of the invention;

Fig. 1 C is the applied network topological diagram of the embodiment of the invention;

Fig. 1 D is the applied network topological diagram of the embodiment of the invention;

Fig. 2 A is the schematic flow sheet that the user carries out 2G/3G CS registration in the embodiment of the invention;

Fig. 2 B is the schematic flow sheet of the embodiment of the invention one;

Fig. 2 C is the schematic flow sheet of the embodiment of the invention one;

Fig. 2 D is the schematic flow sheet of the embodiment of the invention two;

Fig. 2 E is the schematic flow sheet of the embodiment of the invention two;

Fig. 2 F is the schematic flow sheet of the embodiment of the invention three;

Fig. 2 G is the schematic flow sheet of the embodiment of the invention three;

Fig. 3 carries out the schematic flow sheet that the normal position is upgraded for user in the embodiment of the invention;

Fig. 4 A is the schematic flow sheet of the embodiment of the invention four;

Fig. 4 B is the schematic flow sheet of the embodiment of the invention four;

Fig. 4 C is the schematic flow sheet of the embodiment of the invention four;

Fig. 4 D is the schematic flow sheet of the embodiment of the invention four;

Fig. 5 A is the schematic flow sheet of the embodiment of the invention five;

Fig. 5 B is the schematic flow sheet of the embodiment of the invention five;

Fig. 5 C is the schematic flow sheet of the embodiment of the invention five;

Fig. 5 D is the schematic flow sheet of the embodiment of the invention five;

Fig. 6 A is the schematic flow sheet of the embodiment of the invention six;

Fig. 6 B is the schematic flow sheet of the embodiment of the invention six;

Fig. 6 C is the schematic flow sheet of the embodiment of the invention six;

Fig. 6 D is the schematic flow sheet of the embodiment of the invention six;

Fig. 7 A is the schematic flow sheet of the embodiment of the invention seven;

Fig. 7 B is the schematic flow sheet of the embodiment of the invention seven;

Fig. 8 A is the schematic flow sheet of the embodiment of the invention eight;

Fig. 8 B is the schematic flow sheet of the embodiment of the invention eight;

Fig. 9 A is the schematic flow sheet of the embodiment of the invention nine;

Fig. 9 B is the schematic flow sheet of the embodiment of the invention nine;

Figure 10 A is the schematic flow sheet of the embodiment of the invention ten;

Figure 10 B is the schematic flow sheet of the embodiment of the invention ten;

Figure 11 is system configuration schematic diagram that the embodiment of the invention provided;

Figure 12 is apparatus structure schematic diagram that the embodiment of the invention provided;

Embodiment

Provide legal CS context in order to switch to the audio call in 2G/3G network C S territory to the SAE/LTE network, the embodiment of the invention provides a kind of terminal to carry out the position method for updating.Shown in Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D, be the applied network topology schematic diagram of this method.Wherein, among Figure 1A and Figure 1B, the base station of evolution (eNB) is positioned at the Access Network (RAN) of SAE/LTE, mobile management nodes (MME) is positioned at the core net (CN) of SAE/LTE, mobile switching centre (MSC) is positioned at circuit (CS) territory of 2G/3G, MME links to each other with purpose MSC by network interconnection entity (IWE), among Figure 1A, IWE and MME are for concerning one to one, among Figure 1B, IWE and MME are the corresponding relation of one-to-many, and IWE and eNB are the corresponding relation of one-to-many among Figure 1A and Figure 1B, and IWE is as access network node.Fig. 1 C and Fig. 1 D and Figure 1A and Figure 1B difference are that MME directly links to each other with IWE, and this IWE itself has the function of MSC.

After being carried on the audio call foundation on the SAE/LTE, do the contextual preparation of CS to the switching in 2G/3G CS territory, at first need to finish the registration of UE in 2G/3G CS territory by position updating process in order to give audio call; After registration is finished,, factors such as move the position of UE, Network Load Balance upgrade because also needing UE to carry out the normal position to 2G/3G CS territory; Simultaneously, when the periodical position renewing timer that is provided with is overtime,, also need UE to carry out periodic location update to 2G/3G CS territory in order to keep the state of activation of UE in 2G/3G CS territory.

In order to realize that UE upgrades in the position of 2G/3G, at first need allocation position to upgrade relevant information, concrete grammar is as follows:

At first, upgrade relevant information for each IWE distributes one group of position, the position is upgraded relevant information and is included but not limited to: Location Area Identification (LAI), position refresh clock cycle (T3212), permission sign (ATT).The LAI difference of different I WE correspondence.Then, allocation position upgrades relevant information on network node, and the difference according to the network node that disposes specifically has following two schemes:

Scheme one: allocation position upgrades relevant information on MME;

The concrete configuration method can for: on each MME, preserve self and relevant information is upgraded in the MME pairing position adjacent with self, the pairing position of MME is upgraded relevant information and is meant, the IWE that this MME connects upgrades relevant information in pairing position, for example, among Figure 1B, suppose that MME1 and MME2 are adjacent, MME2 and MME3 are adjacent, and MME1 and MME3 are non-conterminous, the LAI of IWE1 correspondence is LAI1, the LAI of IWE2 correspondence is LAI2, then the information of the corresponding LAI1 of configuration self, the corresponding LAI1 of its adjacent MME2 on MME1; Self corresponding LAI1 of configuration on MME2, the corresponding LAI1 of its adjacent MME1, with and the information of the adjacent corresponding LAI2 of MME3; The information of the corresponding LAI2 of configuration self, the corresponding LAI1 of its adjacent MME2 on MME3.

Perhaps, on each MME, only preserve self pairing position renewal relevant information.

Scheme two: allocation position upgrades relevant information on eNB;

The concrete configuration method can for: on each eNB, preserve self and relevant information is upgraded in the eNB corresponding position adjacent with self, the position of an eNB correspondence is upgraded relevant information and is meant, the IWE that this eNB belonged to upgrades relevant information in pairing position, for example, among Figure 1B, suppose that eNB1 and eNB2 are adjacent, eNB2 and eNB1 and eNB3 are adjacent, eNB3 and eNB2 and eNB4 are adjacent, eNB4 and eNB3 are adjacent, the LAI of IWE1 correspondence is LAI1, and the LAI of IWE2 correspondence is LAI2, then the information of the corresponding LAI1 of configuration self, the corresponding LAI1 of its adjacent eNB2 on eNB1; On eNB2 the corresponding LAI1 of self corresponding LAI1 of configuration, its adjacent eNB1, with and adjacent corresponding LAI1 of eNB3 and the information of LAI2; On eNB3 self corresponding LAI1 of configuration and LAI2, the corresponding LAI1 of its adjacent eNB2, with and adjacent corresponding LAI1 of eNB4 and the information of LAI2; The information of corresponding LAI1 of configuration self and LAI2, the corresponding LAI1 of its adjacent eNB3 and LAI2 on eNB4.

Perhaps, on each eNB, preserve self pairing position renewal relevant information.

The node of SAE/LTE network need be when the 2G/3G network carries out the position renewal at the UE that determines the access Home Network, comprise UE need carry out the registration in 2G/3G CS territory, when UE switches, send the position to UE and upgrade relevant information, UE upgrades relevant information is implemented in the 2G/3G network by the IWE of SAE/LTE network and 2G/3G network position renewal according to the position of receiving.

Below UE is specifically described respectively at the registration in 2G/3G CS territory, the normal position renewal of UE and the periodic location update of UE:

At first, UE, can may further comprise the steps referring to Fig. 2 A in the registration of 2G/3G:

The node of step 21:SAE/LTE sends 2G/3G CS territory to UE and registers needed position renewal relevant information;

Here, can be that eNB or MME send self pairing position renewal relevant information to UE; Can when the request that receives to the audio call distributing radio resource, send, also can set up when finishing and send at audio call; Can utilize original message, for example Radio Resource foundation/reallocation message sends, and also can send by increasing new message.

When step 22:UE receives position renewal relevant information, initiate position updating process to 2G/3G CS territory according to this information.

With specific embodiment UE is described in the registration process in 2G/3G CS territory below:

Embodiment one:

In the present embodiment, utilize original radio resource assignment message to send 2G/3G CS territory log-on message by eNB to UE, when utilizing original Radio Resource foundation/reallocation message to send, can redefine the cell (IE) in this message, the IE that is redefined is used for carrying the position and upgrades relevant information, concrete, Radio Resource foundation/reallocation message comprises: Radio bearer setup, Radio bearer reconfiguration, Transport channel reconfiguration and Physical channel reconfiguration.There is an optional IE in these four message, be CN Information info, CN CommonGSM-MAP NAS system information and two IE of CS domain specific system information that this IE comprised are redefined, be used for carrying the position renewal relevant information of eNB correspondence, comprise LAI, T3212, ATT.

Shown in Fig. 2 B, for the situation that Figure 1A and the MME shown in Figure 1B link to each other with MSC by IWE, UE comprises at the registration idiographic flow in 2G/3G CS territory in the present embodiment:

Step 201:eNB receives and is the request of audio call distributing radio resource (Request for radiobearer establishment for voice call);

Step 202:eNB sends Radio Resource foundation/reallocation message (Radio bearersetup/reconfiguration) to UE, and relevant information (information for CS location updating) is upgraded in the position that carries described eNB correspondence in this message;

When step 203:UE receives Radio Resource foundation/reallocation message, to eNB echo reply message (Radio bearer setup/reconfiguration complete);

Relevant information is upgraded in position in the Radio Resource foundation/reallocation message that step 204:UE record is received, and according to the LAI and the position renewal relevant information that receives that are kept among the SIM/USIM, send position updating request, this request arrives MSC via eNB, MME and IWE, MSC carries out the position according to this request to be upgraded, finish the registration of UE, set up the CS context, comprise safe context (Security context) in the CS territory.

Shown in Fig. 2 C, link to each other with IWE with the MME shown in Fig. 1 D for Fig. 1 C, IWE has the situation of the function of MSC, UE is similar in registration idiographic flow and step 201～203 of 2G/3G in the present embodiment, difference is that the request of step 214 Position Updating arrives IWE by eNB, MME, carry out the position by IWE according to this request and upgrade, finish the registration of UE, set up the CS context in the CS territory.

Embodiment two:

In the present embodiment, send 2G/3G log-on message by increasing new message to UE by eNB, shown in Fig. 2 D, for the situation that Figure 1A and the MME shown in Figure 1B link to each other with MSC by IWE, UE comprises at the registration idiographic flow of 2G/3G in the present embodiment:

Step 221:eNB judges that the audio call foundation of SAE/LTE carrying finishes, and one of method is to check that the RLC that carries receives buffering area and whether has media data, if exist, thinks that then audio call foundation finishes;

Step 222:eNB is to the notification message (CS information) of UE transmission redetermination, and relevant information is upgraded in the position that carries described eNB correspondence in this message;

When step 223:UE receives described notification message, relevant information is upgraded in the position of writing down in this notification message, and according to the LAI and the position renewal relevant information that receives that are kept among the SIM/USIM, send position updating request, this request arrives MSC via eNB, MME and IWE, and MSC carries out the position according to this request to be upgraded, and finishes the registration of UE in the CS territory, set up the CS context, comprise safe context (Securitycontext).

Shown in Fig. 2 E, link to each other with IWE with the MME shown in Fig. 1 D for Fig. 1 C, IWE has the situation of the function of MSC, UE is similar in registration idiographic flow and step 221～223 of 2G/3G in the present embodiment, difference is that the request of step 233 Position Updating arrives IWE by eNB, MME, finish the registration of UE by IWE according to this request, set up the CS context in the CS territory.

Embodiment three:

In the present embodiment, send 2G/3G log-on message by increasing new message to UE by MME, shown in Fig. 2 F, for the situation that Figure 1A and the MME shown in Figure 1B link to each other with MSC by IWE, UE comprises at the registration idiographic flow of 2G/3G in the present embodiment:

Step 241:MME judges that the audio call foundation of SAE/LTE carrying finishes;

Step 242:MME sends a notification message (CS information) to UE, and relevant information is upgraded in the position that carries described MME correspondence in this message;

When step 243:UE receives described notification message, relevant information is upgraded in the position of writing down in this notification message, and according to the LAI and the position renewal relevant information that receives that are kept among the SIM/USIM, send position updating request, this request arrives MSC via eNB, MME and IWE, and MSC carries out the position according to this request to be upgraded, and finishes the registration of UE in the CS territory, set up the CS context, comprise safe context (Securitycontext).

Shown in Fig. 2 G, link to each other with IWE with the MME shown in Fig. 1 D for Fig. 1 C, IWE has the situation of the function of MSC, UE is similar in registration idiographic flow and step 241～243 of 2G/3G in the present embodiment, difference is that the request of step 253 Position Updating arrives IWE by eNB, MME, finish the registration of UE by IWE according to this request, set up the CS context in the CS territory.

Next, the normal position renewal to UE describes:

After UE carries out 2G/3G CS territory registration, when the SAE/LTE network moves, may cause eNB or/and the switching of MME, thereby may cause the change of IWE, for this reason, UE need carry out the normal position in 2G/3G CS territory to be upgraded.

Referring to Fig. 3, the normal position of UE is upgraded and specifically be may further comprise the steps:

Step 30:UE moves at the SAE/LTE network, and when switching, the node of SAE/LTE upgrades relevant information to the corresponding position, zone that UE sends after switching;

In this step, relevant information is upgraded in corresponding position, the zone after the UE transmission is switched, i.e. the entity of the position of purpose IWE correspondence renewal relevant information can comprise: source eNB, the i.e. eNB of the original region of UE; Purpose eNB, promptly the UE occurrence positions moves the eNB that the back arrives the zone; Source MME, the i.e. MME of the original region of UE; Purpose MME, promptly the UE occurrence positions moves the MME that the back arrives the zone; Can for example distribute the switching message of destination Radio Resource to send by original message, also can send by increasing new message.

Step 31:UE receives described position when upgrading relevant information, initiates the position according to this information to 2G/3G CS territory and upgrades.

Describe below in conjunction with the normal position renewal of specific embodiment UE:

Embodiment four:

In the present embodiment, relevant information is upgraded in the position of each eNB configuration self and adjacent eNB correspondence, perhaps in the LAI and the relevant information of other position renewal of each eNB configuration self TA that has jurisdiction over of institute and adjacent TA correspondence.Utilize original switching message to upgrade relevant information by source eNB to the position that UE sends purpose eNB correspondence.When utilizing original switching message, need make amendment to the switching message of the distribution destination Radio Resource of standard: distribute the switching message of destination Radio Resource to comprise: Radio bearer setup, Radio bearerreconfiguration, Transport channel reconfiguration and Physical channelreconfiguration, they all comprise an optional IE, be CN Information info, CN Common GSM-MAP NAS system information and two IE of CS domain specificsystem information that this IE comprised are redefined, be used for carrying the position renewal relevant information of purpose eNB correspondence, comprise LAI, T3212, ATT.In Fig. 4 A, Fig. 4 B, Fig. 4 C, Fig. 4 D, be example with Physicalchannel reconfiguration message.

Shown in Fig. 4 A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves when causing MME to change, for example among Figure 1A, UE moves to the eNB2 zone from the eNB1 zone, and source MME1 controls audio call after UE switches to the eNB2 zone according to strategy decision by purpose MME2.It is as follows that UE carries out the idiographic flow that upgrades the normal position:

Step 401:UE reporting measurement reports satisfies switching condition, triggers to switch;

Step 402～407: the interacting message of grouping (PS) territory handoff preparation phase standard;

Step 408: source eNB upgrades relevant information according to the position of self configuration, and relevant information is upgraded in the position that purpose eNB correspondence is set in the switching message (Physical channel reconfiguration) of distributing radio resource;

Step 409～410: UE sends to purpose eNB after inserting purpose eNB, and purpose eNB sends to the message of purpose MME, these two interaction messages that message is the standard switching flow;

Step 411:UE recorder to switching message in the position upgrade relevant information, and relatively LAI and the LAI that was kept at originally among the SIM/USIM in relevant information are upgraded in this position;

Step 412:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 4 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, it is similar with above-mentioned steps 401～411 that the UE occurrence positions moves in the idiographic flow that carries out when causing MME to change upgrading the normal position step 413～423, difference is that the request of step 424 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 4 C, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves but MME when not changing, for example among Figure 1A, UE moves to the eNB2 zone from the eNB1 zone, and source MME1 determines still by the audio call of self controlling after UE switches to the eNB2 zone according to strategy.It is as follows that UE carries out the idiographic flow that upgrades the normal position:

Step 425:UE reporting measurement reports satisfies switching condition, triggers to switch;

Step 426～429: the interacting message of grouping (PS) territory handoff preparation phase standard;

Step 430: source eNB upgrades relevant information according to the position of self configuration, and relevant information is upgraded in the position that purpose eNB correspondence is set in the switching message (Physical channel reconfiguration) of distributing radio resource;

Step 431～432: UE sends to purpose eNB after inserting purpose eNB, and purpose eNB sends to the message of source MME, these two interaction messages that message is the standard switching flow;

Step 433:UE recorder to switching message in the position upgrade relevant information, and relatively LAI and the LAI that was kept at originally among the SIM/USIM in relevant information are upgraded in this position;

Step 434:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 4 D, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, the UE occurrence positions move but in the idiographic flow that MME carries out when not changing upgrading the normal position step 435～443 similar with step 425～433, difference is that the request of step 444 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

The advantage of present embodiment is not revise standardized switching flow, do not need to revise the structure of switching message yet, just redefine the IE that SAE/LTE switches no longer to be needed among the message Physical channel reconfiguration, be used to indicate the position of purpose eNB or TA correspondence to upgrade relevant information.Minimum to standardized flow process modification now.

Embodiment five:

In the present embodiment, upgrade relevant information, perhaps self have jurisdiction over the LAI and the relevant information of other position renewal of TA correspondence in each eNB configuration in the position of each eNB configuration self correspondence.Upgrade relevant information by source eNB to the position that UE sends purpose eNB correspondence by purpose eNB.Present embodiment is not revised the switching flow of standard, only redefines the content of part message, and the message of being revised is as follows:

1. relocation request acknowledge message, comprise an IE among the Target eNB to Source eNB TransparentContainer of this message, be CN Information info, CN CommonGSM-MAP NAS system information and two IE of CS domain specific system information that this IE comprised are redefined, be used to carry the position renewal relevant information of indication purpose eNB correspondence, comprise LAI, T3212 and ATT.

2. forwarding relocation request acknowledge message comprises Target eNBto Source eNB Transparent Container, this IE transparent forwarding, and relevant information is upgraded in the position that wherein comprises purpose eNB correspondence;

3. reorientation order comprises Target eNB to Source eNB Transparent Container, this IE transparent forwarding, and relevant information is upgraded in the position that wherein comprises purpose eNB correspondence;

4. the switching message of distributing the destination Radio Resource, comprise Radio bearer setup, Radio bearerreconfiguration, Transport channel reconfiguration and Physical channelreconfiguration, comprise the Target eNB to Source eNBTransparent Container from Relocation command, relevant information is upgraded in the position that wherein comprises purpose eNB correspondence.In Fig. 5 A, 5B, 5C, 5D, be example with Physical channel reconfiguration message.

Shown in Fig. 5 A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves when causing MME to change, and it is as follows that UE carries out the idiographic flow that upgrades the normal position:

Step 501:UE reporting measurement reports satisfies switching condition, triggers to switch;

The interacting message of step 502～504.PS handoff preparation phase standard;

Step 505: purpose eNB upgrades relevant information according to the position of self configuration, relevant information is upgraded in the position that purpose eNB correspondence is set among the Target eNB to Source eNB Transparent Container in message Relocationrequest acknowledge, and this message is sent to purpose MME;

To source MME, relevant information is upgraded in the position that wherein comprises purpose eNB correspondence to step 506: purpose MME by message Forward relocation response transparent forwarding TargeteNB to Source eNB Transparent Container;

Step 507: to source eNB, relevant information is upgraded in the position that wherein comprises purpose eNB correspondence to source MME by message Relocation command transparent forwarding Target eNB toSource eNB Transparent Container;

Step 508: source eNB sends Physical channel reconfiguration message to UE, wherein carries the position of purpose eNB correspondence and upgrades relevant information;

UE sent to purpose eNB after purpose eNB was inserted in step 509～510., and purpose eNB sends to the message of purpose MME, these two interaction messages that message is the standard switching flow;

Relevant information is upgraded in the position that step 511:UE record switches in the message, and relatively this position is upgraded the LAI in the relevant information and was kept at LAI among the SIM/USIM originally;

Step 512:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 5 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, it is similar with step 501～511 that the UE occurrence positions moves in the idiographic flow that carries out when causing MME to change upgrading the normal position step 511～521, difference is that the request of step 522 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 5 C, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves but MME when not changing, and it is as follows that UE carries out the idiographic flow that upgrades the normal position:

Step 525:UE reporting measurement reports satisfies switching condition, triggers to switch;

The interacting message of step 526～527:PS handoff preparation phase standard;

Step 528: purpose eNB upgrades relevant information according to the position of self configuration, relevant information is upgraded in the position that purpose eNB correspondence is set among the Target eNB to Source eNB Transparent Container in message Relocationrequest acknowledge, and this message is sent to source MME;

Step 529: to source eNB, relevant information is upgraded in the position that wherein comprises purpose eNB correspondence to source MME by message relocation command transparent forwarding Target eNB toSource eNB Transparent Container;

Step 530: source eNB sends the switching message (Physicalchannel reconfiguration) of distributing the destination Radio Resource to UE, wherein carries the position of purpose eNB correspondence and upgrades relevant information;

Step 531～532: UE sends to purpose eNB after inserting purpose eNB, and purpose eNB sends to the message of source MME, these two interaction messages that message is the standard switching flow;

Relevant information is upgraded in the position that step 533:UE record switches in the message, and relatively this position is upgraded the LAI in the relevant information and was kept at LAI among the SIM/USIM originally;

Step 534:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 5 D, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, the UE occurrence positions move but in the idiographic flow that MME carries out when not changing upgrading the normal position step 535～543 similar with step 525～533, difference is that the request of step 544 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

The advantage of present embodiment is a network design when changing, owing to upgrade relevant information in the position that eNB only disposes self correspondence, can reduce eNB is gone up the maintenance cost that relevant information is upgraded in the position, and not need to change standardized switching flow.

Embodiment six:

In the present embodiment, upgrade relevant information, perhaps self have jurisdiction over the LAI and the relevant information of other position renewal of TA correspondence in each eNB configuration in the position of each eNB configuration self correspondence.Upgrade relevant information by purpose eNB to the position that UE sends purpose eNB correspondence by the message that increases newly by purpose eNB.

As shown in Figure 6A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves when causing MME to change, and UE carries out normal position renewal idiographic flow and comprises:

Step 601:UE reporting measurement reports satisfies switching condition, triggers to switch.

The interacting message of step 602～610:PS handoff preparation phase standard;

Step 611～612: purpose eNB is to the notification message (Location updatinginformation) of UE transmission redetermination, and relevant information is upgraded in the position that comprises purpose eNB correspondence in this message, and UE returns response message when receiving this message;

When step 613:UE received Location updating information message, relevant information was upgraded in the position of writing down in this message, and newer LAI and be kept at LAI among the SIM/USIM originally;

Step 614:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 6 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, it is similar with step 601～613 that the UE occurrence positions moves in the idiographic flow that carries out when causing MME to change upgrading the normal position step 615～627, difference is that the request of step 628 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 6 C, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves but MME when not changing, and idiographic flow comprises:

Step 629:UE reporting measurement reports satisfies switching condition, triggers to switch.

The interacting message of step 630～636:PS handoff preparation phase standard;

Step 637～638: purpose eNB is to the message Location updating information of UE transmission redetermination, and relevant information is upgraded in the position that comprises purpose eNB correspondence in this message, and UE returns response message when receiving this message;

When step 639:UE received Location updating information message, relevant information was upgraded in the position of writing down in this message, and newer LAI and be kept at LAI among the SIM/USIM originally;

Step 640:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 6 D, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, the UE occurrence positions move but in the idiographic flow that MME carries out when not changing upgrading the normal position step 641～651 similar with step 629～639, difference is that the request of step 652 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

The advantage of present embodiment is not only to arrive the purpose that embodiment five reduces maintenance cost, does not also need to revise standardized switching flow and message content thereof.

Notify the position of purpose eNB correspondence to upgrade relevant information by eNB among embodiment four～embodiment six, when switching generation, just relevant information can be upgraded in the position without the participation of core net node MME and be notified to UE, reduce the quantity that participates in the network node of processing.

Embodiment seven:

In the present embodiment, upgrade relevant information in the position of the IWE of each MME configuration self and adjacent MME correspondence.Upgrade relevant information by source eNB to the position that UE sends the IWE of purpose MME correspondence by source MME.Present embodiment is not revised the switching flow of standard, only redefines the content of part message, and the message of being revised is as follows:

1. reorientation order increases an IE, and relevant information is upgraded in the position of the IWE of indication purpose MME correspondence;

2. the switching message of distributing the destination Radio Resource, comprise Radio bearer setup, Radio bearerreconfiguration, Transport channel reconfiguration and Physical channelreconfiguration, they all comprise an optional IE, be CN Information info, CN Common GSM-MAP NAS system information and two IE of CS domain specificsystem information that this IE comprised are redefined, relevant information is upgraded in the position that is used to carry the IWE correspondence of purpose MME, comprises LAI, T3212 and ATT.Be example with Physical channelreconfiguration message among Fig. 7 A, the 7B.

Shown in Fig. 7 A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves when causing MME to change, and the idiographic flow that UE carries out upgrading the normal position comprises:

Step 701:UE reporting measurement reports satisfies switching condition, triggers to switch;

The standard message of step 702～706:PS handoff preparation phase is mutual;

Step 707: source MME upgrades relevant information according to the position of configuration, and relevant information is upgraded in the position that the IWE correspondence of purpose MME is set in the last item of PS handoff preparation phase sends to the message Relocation command of source eNB;

Step 708: source eNB sends to UE and switches message (Physical channel reconfiguration), and relevant information is upgraded in the position that comprises the IWE of purpose MME correspondence in this message;

Step 709～710:UE sends message Physical channel reconfiguration complete to purpose eNB, and purpose eNB sends to purpose MME with message Relocation complete, these two interaction messages that message is the standard switching flow;

Relevant information is upgraded in the position that step 711:UE record switches in the message, and relatively this position is upgraded the LAI in the relevant information and was kept at LAI among the SIM/USIM originally;

Step 712:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 7 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, it is similar with step 701～711 that the UE occurrence positions moves in the idiographic flow that carries out when causing MME to change upgrading the normal position step 713～723, difference is that the request of step 724 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

The advantage of present embodiment is not revise standardized switching flow, only need redefine the IE of part message, and is minimum to standardized flow process modification now.

Embodiment eight:

In the present embodiment, upgrade relevant information in the position of each MME configuration self correspondence.Upgrade relevant information by source MME and source eNB to the position that UE sends the IWE of purpose MME correspondence by purpose MME.Present embodiment is not revised the switching flow of standard, only redefines the content of part message, and the message of being revised is as follows:

1. transmit reorientation and require response message, increase an IE, be used to carry the position renewal relevant information of purpose MME;

2. redirect command increases an IE, is used to carry the position renewal relevant information of purpose MME;

3. the switching message of distributing the destination Radio Resource, comprise Radio bearer setup, Radio bearerreconfiguration, Transport channelreconfiguration and Physical channelreconfiguration, they all comprise an optional IE, be CN Information info, CN Common GSM-MAP NAS system information and two IE of CS domain specificsystem information that this IE comprised are redefined, relevant information is upgraded in the position of IEW that is used to carry the correspondence of purpose MME, comprises LAI, T3212 and ATT.Be example with Physical channelreconfiguration message among Fig. 8 A, the 8B.

Shown in Fig. 8 A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves when causing MME to change, and the idiographic flow that UE carries out upgrading the normal position comprises:

Step 801:UE reporting measurement reports satisfies switching condition, triggers to switch;

The interacting message of step 802～805:PS handoff preparation phase standard;

Step 806: purpose MME sends Forward reclocation response message to source MME, and the IE of relevant information is upgraded in the position that wherein comprises indication purpose MME correspondence;

Step 807: source MME fills the position of purpose MME correspondence and upgrades relevant information in the last item message Relocation of PS handoff preparation phase comman, and this message is sent to source eNB;

Step 808: source eNB sends to UE and switches message (Physical channel reconfiguration), and relevant information is upgraded in the position that comprises purpose MME correspondence in this message;

Step 809～810:UE sends message Physical channel reconfiguration complete to purpose eNB, and purpose eNB sends to purpose MME with message Relocation complete, these two interaction messages that message is the standard switching flow;

Relevant information is upgraded in the position that step 811:UE record switches in the message, and relatively this position is upgraded the LAI in the relevant information and was kept at LAI among the SIM/USIM originally;

Step 812:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 8 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, it is similar with step 801～811 that the UE occurrence positions moves in the idiographic flow that carries out when causing MME to change upgrading the normal position step 813～823, difference is that the request of step 824 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

The advantage of this example is to reduce network design, owing to upgrade relevant information in the position that MME only disposes self correspondence, can reduce MME is gone up the maintenance cost that relevant information is upgraded in the position, and not need to change standardized switching flow.

Embodiment nine:

In the present embodiment, upgrade relevant information in the position of the IWE of each MME configuration self correspondence.Upgrade relevant information by the message that increases newly to the position that UE sends the IWE of purpose MME correspondence by purpose MME.

Shown in Fig. 9 A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, the UE occurrence positions moves when causing MME to change, and the idiographic flow that UE carries out upgrading the normal position comprises:

Step 901:UE reporting measurement reports satisfies switching condition, triggers to switch;

The interacting message of step 902～910:PS handoff preparation phase standard;

Step 911～912: purpose MME is to the notification message (Location updatinginformation) of UE transmission redetermination, and relevant information is upgraded in the position that comprises purpose MME correspondence in this message, returns response message to purpose MME when UE receives this message;

When step 913:UE receives Location updating information message, write down this message Position Updating relevant information, and newer LAI be kept at LAI among the SIM/USIM originally;

Step 914:UE is not at more described two LAI not simultaneously, initiate normal position updating process, be specially: UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Fig. 9 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, it is similar with step 901～913 that the UE occurrence positions moves in the idiographic flow that carries out when causing MME to change upgrading the normal position step 915～927, difference is that the request of step 928 Position Updating arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

The advantage of present embodiment is not only to arrive the purpose that embodiment eight reduces maintenance cost, does not also need to revise standardized switching flow and message content thereof.

Need to prove that the English name correspondence of each the bar message among Fig. 4 A-Fig. 9 B is as follows:

Reorientation requires (Relocation required);

Transmit reorientation and require (Forward relocation required);

Re-positioning request (Relocation request);

Re-positioning request is replied (Relocation request acknowledge);

Transmit reorientation and require to reply (Forward relocation required acknowledge);

Reorientation order (Relocation command);

Allocation of radio resources is finished message (Pysical channel reconfiguration complete);

Message (Relocation complete) is finished in reorientation.

Simultaneously, above-mentioned eNB can also be that radio network controller (RNC) waits other access network elements; MME can also be that Serving GPRS Support Node (SGSN) waits other core network element, and is as follows.

At last, UE being carried out periodic location update describes:

According to upgrading relevant information from the position of registration process and normal position updating process acquisition, periodical position renewing timer is set, if periodical position renewing timer is overtime, UE initiates position updating process to 2G/3G CS territory.

Describe below in conjunction with the periodic location update of specific embodiment UE:

Embodiment ten:

Shown in Figure 10 A, for situation about linking to each other with MSC by IWE as Figure 1A and the MME shown in Figure 1B, it is as follows that UE carries out the idiographic flow of periodic location update:

The periodical position renewing timer of step 1001:UE is overtime;

Upgrade relevant information setting according to the position that obtains in registration process or the normal position updating process cycle time of this timer, and concrete is according to the T3212 parameter value setting in the position renewal relevant information;

Step 1002:UE sends position updating request, and this request arrives MSC by purpose eNB, purpose MME, purpose IWE, and MSC finishes UE according to this request and upgrades in the position in 2G/3G CS territory.

Shown in Figure 10 B, for linking to each other with IWE with the MME shown in Fig. 1 D as Fig. 1 C, IWE has the situation of the function of MSC, and it is as follows that UE carries out the idiographic flow of periodic location update:

The periodical position renewing timer of step 1011:UE is overtime;

Step 1012:UE sends position updating request, and this request arrives IWE by purpose eNB, purpose MME, finishes UE by IWE according to this request and upgrades in the position in 2G/3G CS territory.

Referring to Figure 11, the embodiment of the invention also provides a kind of terminal to carry out the system that the position is upgraded, and this system comprises:

Notice node 11 is arranged in System Architecture Evolution/Long Term Evolution SAE/LTE network, is used for need sending the position to terminal and upgrade relevant information when the 2G/3G network carry out the position renewal in definite terminal;

Terminal 12 inserts in the SAE/LTE network, when being used to receive described position and upgrading relevant information, upgrades relevant information to the interconnected entity initiation of described SAE/LTE network and described 2G/3G network of network position updating request according to described position;

Network interconnection entity 13 is used to receive described position updating request.

Notice node 11 comprises:

Determining unit 21, the terminal that is used for the definite SAE/LTE of access network need be carried out the position renewal to the 2G/3G network;

Notification unit 22 is used for determining that in described determining unit described terminal need send the position to described terminal and upgrade relevant information when the 2G/3G network carries out the position renewal.

Determining unit 21 comprises:

First module 31, the audio call that is used for initiating in the terminal of the SAE/LTE network carrying is set up when finishing, and determines that described terminal need carry out the position to the 2G/3G network and upgrade;

Second unit 32 is used for when receiving the request of the audio call distributing radio resource of initiating for terminal, determines that described terminal need carry out the position to the 2G/3G network and upgrade;

The 3rd unit 33 is used for when terminal switches, and determines that described terminal need carry out the position to the 2G/3G network and upgrade.

Notification unit 22 comprises:

First memory cell 34, relevant information is upgraded in the position that is used to preserve self correspondence;

First transmitting element 35 is used for determining that in described first module or described Unit second described terminal need send described position to described terminal and upgrade relevant information when the 2G/3G network carries out the position renewal.

Notification unit 22 comprises:

Second memory cell 36, relevant information is upgraded in the position that is used to store self and adjacent other notice node correspondences;

Second transmitting element 37 is used for determining that in described Unit the 3rd described terminal need be when the 2G/3G network carries out the position renewal that relevant information is upgraded in the position of the notice node correspondence in the zone after described terminal sends described switching.

Notice node 11 comprises: core net node, or access network node; Described core net node comprises: mobile management entity MME or Serving GPRS Support Node SGSN; Described access network node comprises: the base station eNB of evolution or radio network controller (RNC).

Terminal 12 comprises:

Period position updating block 23 is used for when the timer expiry of periodic location update, initiates position updating request to described network interconnection entity.

Normal position updating block 24, the Location Area Identification LAI that is used for upgrading relevant information and the LAI that self preserves in the position that relatively receives not simultaneously, to described network interconnection entity initiation position updating request.

Network interconnection entity 13 comprises:

First processing unit 25 is used for when receiving described position updating request, carries out corresponding location update operations according to this request, finishes described terminal and upgrades in the position of 2G/3G network.

Network interconnection entity 13 comprises:

Second processing unit 26 is used for when receiving described position updating request, and this request is sent to coupled mobile switching centre;

This system further comprises:

Mobile switching centre 14 is positioned at the circuit CS territory of 2G/3G, when being used to receive described position updating request, carries out corresponding location update operations according to this request, finishes described terminal and upgrades in the position of 2G/3G network.

Referring to Figure 12, the embodiment of the invention also provides a kind of notifying device, and this device comprises:

Determining unit 21, the terminal that is used for definite connecting system architecture evolution/Long Term Evolution SAE/LTE network need be carried out the position renewal to the 2G/3G network;

Determining unit 21 comprises:

Notification unit 22 comprises:

Second memory cell 36, relevant information is upgraded in the position that is used to store self and adjacent other notifying device correspondences;

Second transmitting element 37 is used for determining that in described Unit the 3rd described terminal need be when the 2G/3G network carries out the position renewal that relevant information is upgraded in the position of the notifying device correspondence in the zone after described terminal sends described switching.

Described notifying device is: core net node, or access network node; Described core net node comprises: mobile management entity MME or Serving GPRS Support Node SGSN; Described access network node comprises: the base station eNB of evolution or radio network controller (RNC).

To sum up, in the embodiment of the invention, node by the SAE/LTE network sends position renewal relevant information to the terminal that inserts the SAE/LTE network, make terminal to upgrade relevant information and initiate the position renewal, thereby legal CS context can be provided for the switching of audio call to the 2G/3G network according to the position that obtains.

Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims

1, a kind of terminal is carried out the position method for updating, it is characterized in that, described terminal connecting system architecture evolution/Long Term Evolution SAE/LTE network, and this method comprises:

Described terminal receives described position when upgrading relevant information, upgrades relevant information is implemented in described 2G/3G network by described SAE/LTE network and the interconnected entity of described 2G/3G network of network position renewal according to described position.

2, the method for claim 1 is characterized in that, when the audio call foundation of the described SAE/LTE network carrying finished, the node of described SAE/LTE network upgraded relevant information to the position that described terminal sends the one's respective area correspondence; Perhaps,

When the request that receives to the audio call distributing radio resource, the node of described SAE/LTE network upgrades relevant information to the position that described terminal sends the one's respective area correspondence.

3, method as claimed in claim 2 is characterized in that, upgrades relevant information in its corresponding position of SAE/LTE server net node configuration, sends described position by described core net node to described terminal and upgrades relevant information; Perhaps,

Access network node at the SAE/LTE network disposes its corresponding position renewal relevant information, sends described position by described access network node to described terminal and upgrades relevant information.

4, method as claimed in claim 2 is characterized in that, the node of described SAE/LTE network utilizes radio resource assignment message to upgrade relevant information to the position that described terminal sends the one's respective area correspondence;

Perhaps, upgrade relevant information by increasing new message to the position that described terminal sends the one's respective area correspondence.

5, the method for claim 1 is characterized in that, when described terminal switched in Home Network, the node of described SAE/LTE network upgraded relevant information to the area relative position that described terminal sends after switching.

6, method as claimed in claim 5 is characterized in that, upgrades relevant information by the node in the zone before switching to the area relative position that described terminal sends after switching.

7, method as claimed in claim 6, it is characterized in that, relevant information is upgraded in position in SAE/LTE server net node configuration self and adjacent other core net node correspondences, upgrades relevant information by the position of the core net node correspondence in the zone of the core net node in the zone before the described switching after described terminal sends described switching;

Perhaps,

Relevant information is upgraded in position in the access network node of SAE/LTE network configuration self and adjacent other access network node correspondences, upgrades relevant information by the position of the access network node correspondence in the zone of the access network node in the zone before the described switching after described terminal sends described switching.

8, method as claimed in claim 6 is characterized in that, the node in the zone before the described switching utilizes the signaling message in the standard switching flow to upgrade relevant information to the area relative position that described terminal sends after switching.

9, method as claimed in claim 5 is characterized in that, upgrades relevant information by the node in the zone after switching to the area relative position that described terminal sends after switching.

10, method as claimed in claim 9, it is characterized in that, relevant information is upgraded in position in SAE/LTE server net node configuration self correspondence, upgrades relevant information by the position of the core net node correspondence in the zone of the core net node in the zone after the described switching after described terminal sends described switching;

Perhaps,

Relevant information is upgraded in position in the access network node of SAE/LTE network configuration self correspondence, upgrades relevant information by the position of the access network node correspondence in the zone of the access network node in the zone after the described switching after described terminal sends described switching.

11, method as claimed in claim 9 is characterized in that, the node in the zone after the described switching utilizes the signaling message in the standard switching flow to upgrade relevant information to the area relative position that described terminal sends after switching; Perhaps,

Node in the zone after the described switching upgrades relevant information by increasing new signaling message to the area relative position that described terminal sends after switching after switching is finished.

12, the method for claim 1 is characterized in that, described terminal is when the timer expiry of periodic location update, and the position that is implemented in described 2G/3G network by described network interconnection entity is upgraded.

13, the method for claim 1, it is characterized in that, described terminal upgrade in the position that relatively receives in the relevant information Location Area Identification LAI and the LAI that self preserves not simultaneously, be implemented in the position renewal of described 2G/3G network by described network interconnection entity.

14, the method for claim 1 is characterized in that, the described position that is implemented in described 2G/3G network by described SAE/LTE network and the interconnected entity of 2G/3G network of network is upgraded and to be comprised:

Described UE sends position updating request, and this position updating request routes to described network interconnection entity by access network node, the core net node of the current home network of described UE;

Described network interconnection entity is finished described UE according to described position updating request and is upgraded in the position of 2G/3G network; Perhaps, described network interconnection entity routes to coupled moving exchanging center MSC with described position updating request, and described MSC finishes described UE according to described position updating request and upgrades in the position of 2G/3G network.

15, as claim 3 or 7 or 10 or 14 described methods, it is characterized in that described core net node comprises: mobile management entity MME or Serving GPRS Support Node SGSN; Described access network node comprises: the base station eNB of evolution or radio network controller (RNC).

16, the method for claim 1 is characterized in that, described network interconnection entity comprises:

Circuit domain acting server CS-Proxy, or network interconnection functive IWF, or grouping-circuit domain switching control function body PCHCF.

17, the method for claim 1 is characterized in that, described position is upgraded relevant information and comprised:

The clock cycle T3212 of Location Area Identification LAI, periodical position renewing timer, permission sign A TT.

18, a kind of terminal is carried out the system that the position is upgraded, and it is characterized in that this system comprises:

The notice node is arranged in System Architecture Evolution/Long Term Evolution SAE/LTE network, is used for need sending the position to terminal and upgrade relevant information when the 2G/3G network carry out the position renewal in definite terminal;

19, system as claimed in claim 18 is characterized in that, described notice node comprises:

Determining unit, the terminal that is used for the definite SAE/LTE of access network need be carried out the position renewal to the 2G/3G network;

20, system as claimed in claim 19 is characterized in that, described determining unit comprises:

First module, the audio call that is used for initiating in the terminal of the SAE/LTE network carrying is set up when finishing, and determines that described terminal need carry out the position to the 2G/3G network and upgrade;

Unit second is used for when receiving the request of the audio call distributing radio resource of initiating for terminal, determines that described terminal need carry out the position to the 2G/3G network and upgrade;

Unit the 3rd is used for when terminal switches, and determines that described terminal need carry out the position to the 2G/3G network and upgrade.

21, system as claimed in claim 20 is characterized in that, described notification unit comprises:

First memory cell, relevant information is upgraded in the position that is used to preserve self correspondence;

First transmitting element is used for determining that in described first module or described Unit second described terminal need send described position to described terminal and upgrade relevant information when the 2G/3G network carries out the position renewal.

22, system as claimed in claim 20 is characterized in that, described notification unit comprises:

Second memory cell, relevant information is upgraded in the position that is used to store self and adjacent other notice node correspondences;

Second transmitting element is used for determining that in described Unit the 3rd described terminal need be when the 2G/3G network carries out the position renewal that relevant information is upgraded in the position of the notice node correspondence in the zone after described terminal sends described switching.

23, system as claimed in claim 18 is characterized in that, described notice node comprises: core net node, or access network node; Described core net node comprises: mobile management entity MME or Serving GPRS Support Node SGSN; Described access network node comprises: the base station eNB of evolution or radio network controller (RNC).

24, system as claimed in claim 18 is characterized in that, described terminal comprises:

The period position updating block is used for when the timer expiry of periodic location update, initiates position updating request to described network interconnection entity.

25, system as claimed in claim 18 is characterized in that, described terminal comprises:

Normal position updating block, the Location Area Identification LAI that is used for upgrading relevant information and the LAI that self preserves in the position that relatively receives not simultaneously, to described network interconnection entity initiation position updating request.

26, system as claimed in claim 18 is characterized in that, described network interconnection entity comprises:

First processing unit is used for when receiving described position updating request, carries out corresponding location update operations according to this request, finishes described terminal and upgrades in the position of 2G/3G network.

27, system as claimed in claim 18 is characterized in that, described network interconnection entity comprises:

Second processing unit is used for when receiving described position updating request, and this request is sent to coupled mobile switching centre;

This system further comprises:

Mobile switching centre is positioned at the circuit CS territory of 2G/3G, when being used to receive described position updating request, carries out corresponding location update operations according to this request, finishes described terminal and upgrades in the position of 2G/3G network.

28, a kind of notifying device is characterized in that, this device comprises:

29, device as claimed in claim 28 is characterized in that, described determining unit comprises:

30, device as claimed in claim 29 is characterized in that, described notification unit comprises:

31, device as claimed in claim 29 is characterized in that, described notification unit comprises:

Second memory cell, relevant information is upgraded in the position that is used to store self and adjacent other notifying device correspondences;

Second transmitting element is used for determining that in described Unit the 3rd described terminal need be when the 2G/3G network carries out the position renewal that relevant information is upgraded in the position of the notifying device correspondence in the zone after described terminal sends described switching.

32, device as claimed in claim 28 is characterized in that, described notifying device is: core net node, or access network node; Described core net node comprises: mobile management entity MME or Serving GPRS Support Node SGSN; Described access network node comprises: the base station eNB of evolution or radio network controller (RNC).