CN101360323B

CN101360323B - Method and system acquiring temporaty mark by network

Info

Publication number: CN101360323B
Application number: CN200710075630.5A
Authority: CN
Inventors: 张万强; 刘岚; 郭小龙; 李明
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2007-08-03
Filing date: 2007-08-03
Publication date: 2014-12-31
Anticipated expiration: 2027-08-03
Also published as: WO2009018754A1; CN101360323A

Abstract

The invention relates to the mobile communication field, and discloses a method of network obtaining temporary identifier and the system thereof, which realizes access in a dual-system and updating of routing area/tracing area with not only saving the air interface resources, but also reducing network load. In the invention, a new control panel entity receives the request message sent by a user device, the request message carries a first temporary mobile identifier information; the novel control panel entity sends request messages to a corresponding old first control panel entity according to the first temporary mobile identifier information; the old first control panel entity judges whether knowing the first temporary mobile identifier information after receives the request message sent by the new first control panel entity, if yes, then sends the request message to the new control panel entity; if not, sends the request response to the new control panel entity which requests a second temporary mobile identifier information to the user device according to the request response.

Description

A kind of method and system of acquiring temporaty mark by network

Technical field

The present invention relates to moving communicating field, particularly acquiring temporaty mark by network technology in dual network system.

Background technology

In 3-G (Generation Three mobile communication system), what comparatively attract people's attention at present is adopt Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, be called for short " WCDMA ") universal mobile telecommunications system (the Universal Mobile TelecommunicationsSystem of communication system air interface technologies, be called for short " UMTS "), UMTS is also a kind of third generation cordless communication network technical standard of third generation partner program (ThirdGeneration Partnership Project is called for short 3GPP) tissue definition simultaneously.As shown in Figure 1, UMTS system is made up of three parts, i.e. core net (Core Net, be called for short " CN "), universal mobile telecommunications system grounding wireless access network (UMTS Terrestrial RadioAccess Network, be called for short " UTRAN ") and subscriber equipment (User Equipment is called for short " UE ").

Wherein, UTRAN comprises again many RNSs (Radio NetworkSubsystem is called for short " RNS ") being connected to CN.And a RNS comprises a radio network controller (RadioNetwork Controller is called for short " RNC ") and one or more base station (Node B), each NodeB covers one or more community.

CN is logically divided into circuit switching (Circuit Switched is called for short " CS ") territory and packet switching (Packet Switched is called for short " PS ") territory.Wherein, mobile switching centre/visitor's location register (Mobile Switching Center/Visitor Location Register, be called for short " MSC/VLR ") and GMSC (gateway mobile switching center) (Gateway Mobile Services Switching Center, be called for short " GMSC ") belong to CS territory, GPRS serving GPRS support node (Serving GPRSSupport Node, be called for short " SGSN ") and gateway GPRS supporting node (GGSN) (GPRSGateway Support Node, be called for short " GGSN ") belong to PS territory, attaching position register (HomeLocation Register, be called for short " HLR ") belong to the total functional node in CS territory and PS territory.Wherein, MSC/VLR completes the functions such as the control in CS territory, management, authentication and encryption, and GMSC is the webmaster of mobile switching centre (Mobile Switching Center is called for short " MSC "), is responsible for fixing with other or the connection of mobile network.

At present in 3 gpp, each manufacturer positive active research long-term evolving network (Long Term Evolved, be called for short LTE)/System Architecture Evolution network (System Architecture Evolved, be called for short SAE), wherein, LTE, in order to provide a kind of network that can reduce time delay, improve user data rate, the power system capacity of improvement and the low cost of covering, uses PS territory business, and bearer network is all IP carrying.Fig. 2 is a kind of existing LTE/SAE network architecture.In the packet-based core networks of evolution, wherein:

Mobility Management Entity (Mobility Management Entity, being called for short MME) function preserves the MM Context of UE, as the mark of subscriber equipment, mobility management states, positional information etc., and to Non-Access Stratum (Non Access Stratum, being called for short NAS) signaling processes, and is responsible for the safety etc. of NAS signaling.

SAE gateway comprises gateway (Serving Gateway, be called for short S-GW) and grouped data network gateway (PDN Gateway, be called for short P-GW), wherein S-GW and P-GW is two logic entities, may reside on same or different physical entities.S-GW, in order to preserve the user face context of UE, as IP address and the routing iinformation of UE, performs Lawful Interception, packet routing function etc.Interface between S-W and MME is S11, is responsible for communicating between MME, UPE, and the mobility management information carrying out UE and session control information etc. are alternately.

MME is responsible for the connection in chain of command and user face with EUTRAN network by S1-MME, S-GW respectively by S1-U.Simultaneously MME is by S3 interface, and S-GW is connected with 2G/3GSGSN respectively by S4 interface, respectively the mobility chain of command anchor point of responsible UE between 3G and SAE network and user face anchor point function.

P-GW is responsible for the user face anchor point function that UE is linked into Packet Data Network, communicated with external packet data net by SGi reference point, there is the function of Packet routing and forwarding, and be responsible for policy, billing and strengthen function, packet filtering function etc. based on each user.P-GW is connected with S-GW by S5 interface, transmits carrying foundation/amendment/deletion and waits control information, and packet routing etc.

Policy charging rule function (Policy and Charging Rules Function, be called for short PCRF) strengthen function (Policy and Charging EnforcementFunction, be called for short PCEF) to P-GW as policy, billing by S7 interface and transmit QoS and charging policy control information etc.

Different radio access technologies (Radio AccessTechnology between SAE and Pre-SAE (i.e. 2G/3G network), be called for short RAT) there is limitation signaling problem, even UE moves (network and evolvement network as 2G/3G) between different RAT, UE can change and quarters at different networks and frequently cause network registration process, and network registration process is a kind of waste greatly to eating dishes without rice or wine frequently.

Many RAT network structure as shown in Figure 3, RA1 and RA2 is the Route Area (Routing Area) of existing 2G/3G, the UE of existing 2G/3G will initiate Routing Area Update (Routing Area Update, i.e. RAU) process often changing a RA.Certain UE, when not changing RA, also has periodic position updating process, and its effect makes network understand UE at present also at network, prevents UE from leaving network and network is not understood and the situation generation of continuous paging UE.Below the situation of UE periodic location update is neither considered.

TA1, TA2, TA3, TA4 is the tracking area of evolvement network, when a multimode UE moves in these regions, there will be network registration process frequently, register to the SGSN of 2G/3G as UE enters RA1, then register to the MME/UPE of evolvement network again when UE enters TA1, enter RA1 register to the SGSN of 2G/3G again when UE moves out again TA1.Registration object be make network can in certain RAT paging to UE, but bring a large amount of register command expenses.

But prior art UE is in attachment, in respective system, only completes UE attachment, do not consider the situation of dual system (UMTS and SAE), UMTS part attachment flow as shown in Figure 4:

In a step 101, UE sends attachment solicited message to new SGSN, and described message carries P-TMSI/RAI information;

Step 102, new SGSN sends ID authentication request (Identification Request) message and asks IMSI information and security parameter information to old SGSN, wherein said information is asked by P-TMSI/RAI, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI information, if so, then send authentication to respond to new SGSN, return the information that will ask, if not, then step 103 is performed;

Step 103, old SGSN sends authentication response to new SGSN, returns error message to new SGSN;

Step 104, after new SGSN receives described error message, sends identification request message to ask IMSI information to UE;

Step 105, UE sends IMSI information to new SGSN, completes follow-up register flow path after receiving new SGSN request IMSI information.

Be illustrated in figure 5 UMTS part attachment flow, wherein:

In step 201, the UE in SAE sends attachment solicited message to MME, carries S-TMSI/TAI information in this message;

Step 202, new MME sends ID authentication request message and asks IMSI information to old MME, wherein said solicited message asks IMSI information and security parameter information by S-TMSI/TAI to old MME, old MME is confirmed whether the S-TMSI/TAI information described in understanding, if so, then send authentication to respond to new MME, return the information that will ask, if not, then step 203 is performed; ;

Step 203, old MME sends authentication response message to new MME, and old MME returns error message to new MME;

Step 204, after new MME receives described error message, sends identification request to ask IMSI information to UE;

Step 205, after UE receives request IMSI information, sends IMSI information to new MME and completes follow-up register flow path.

Equally, when upgrading (RAU) with tracing section updating (TAU) in existing route district, also need to depend on the unique temporary identity that UE carries in Routing Area Update, in single system network system, UMTS part Routing Area Update flow process as shown in Figure 6:

In step 301, UE sends Routing Area Update solicited message to new SGSN, and described message carries P-TMSI/RAI information;

Step 302, new SGSN sends context request (Context Request) message to old SGSN request contexts information, wherein said information is asked by P-TMSI/RAI, old SGSN is confirmed whether the P-TMSI/RAI information described in understanding, if so, then send context to new SGSN, return the information that will ask, if not, then step 303 is performed;

Step 303, old SGSN sends context response to new SGSN, returns error message to new SGSN;

Step 304, after new SGSN receives described error message, new SGSN and UE performs safety function and completes follow-up Routing Area Update flow process.

Be illustrated in figure 7 UMTS part tracing section updating flow process, wherein:

In step 3001, the UE in SAE sends tracing section updating request to MME, carries S-TMSI/TAI information in this message;

Step 3002, new MME sends context request message to old MME request contexts information, wherein said solicited message by S-TMSI/TAI to old MME request contexts information, described old MME is confirmed whether the S-TMSI/TAI information described in understanding, if so, then send context response to new MME, return the information that will ask, if not, then step 103 is performed;

Step 3003, old MME sends context response information to new MME, returns error message to new MME;

Step 3004, after new MME receives described error message, new MME and UE carries out safety function to complete the more new technological process in follow-up Geng Zong district.

Inventor finds in the practice of the invention, only consider the situation of single system in prior art, namely carry in P-TMSI/RAI information and SAE network in attachment request in a umts network and carry S-TMSI/TAI information and ask IMSI to identify and security parameter information respectively to old SGSN and MME.But, prior art is not considered in dual system (UMTS and SAE), what carry when UE adheres in a system is the situation of another system information, such as, initiate attachment request in another system attachment removal in new system, bring difficulty to the attachment of user in dual system network.In addition, in Routing Area Update and tracing section updating flow process, the unique temporary identity that network also depends on UE to be provided goes for asks contextual information, and does not consider the situation of dual system.

Summary of the invention

In view of this, embodiments of the present invention provide a kind of method and system of acquiring temporaty mark by network, realize the attachment under dual system and Route Area/Geng Zong district renewal, not only save interface-free resources and alleviate network burden.

For achieving the above object, embodiment of the present invention provides a kind of method of acquiring temporaty mark by network, comprises following steps:

New control plane entity receives the solicited message that subscriber equipment sends, and described solicited message carries the first Temporary Mobile information;

Described new control plane entity is according to the first old control plane entity transmission request information of the first Temporary Mobile information to correspondence;

Described first old control plane entity judges whether understanding first Temporary Mobile information after receiving described new control plane entity transmission request information, if understanding, then sends the information of its request to described new control plane entity; If be not familiar with, then send request response to described new control plane entity;

Described new control plane entity responds to user equipment requests second Temporary Mobile information according to described request.

For achieving the above object, embodiment of the present invention also provides the method for another acquiring temporaty mark by network, comprises following steps:

New control plane entity receives the solicited message that subscriber equipment sends, and described solicited message carries the first Temporary Mobile information and the second Temporary Mobile information, and mark the first Temporary Mobile information is up-to-date Temporary Mobile information;

Described first old control plane entity judges whether understanding first Temporary Mobile information, if understanding, then sends the information of its request to described new control plane entity after receiving the solicited message of described new control plane entity transmission; If be not familiar with, then send request response to described new control plane entity;

After described new control plane entity receives described request response, according to the second old control plane entity transmission request information of the second Temporary Mobile information to correspondence.

For achieving the above object, embodiment of the present invention also provides a kind of system of acquiring temporaty mark by network, comprising:

New control plane entity, for receiving the solicited message that subscriber equipment sends, wherein said solicited message carries the first Temporary Mobile information and the second Temporary Mobile information;

First old new control plane entity, for receiving the solicited message that new control plane entity sends, and for judging whether the first Temporary Mobile information described in understanding, the wherein said first old control plane entity is the entity of corresponding first Temporary Mobile information;

Second old control plane entity, for receiving the solicited message that new control plane entity sends, and for judging whether the second Temporary Mobile information described in understanding, the wherein said second old new control plane entity is the entity of corresponding second Temporary Mobile information.

Embodiments of the present invention ask IMSI and security parameter information to complete the flow process of subscriber equipment attachment in dual system network by carrying different TMSI (S-TMSI/TAI/P-TMSI/RAI) information in attachment request and carrying out the corresponding SGSN/MME processing correspondence to it.Meanwhile, carry different TMSI information by Routing Area Update/tracing section updating request and carry out it processing to the RAU/TAU deserved SGSN/MME request contexts information being completed to subscriber equipment in dual system network accordingly.So not only realize attachment under dual system and Route Area/Geng Zong district upgrades, and save interface-free resources, alleviate network burden.

Accompanying drawing explanation

Fig. 1 is the structural representation of UMTS system in prior art;

Fig. 2 is LTE/SAE network architecture schematic diagram in prior art;

Fig. 3 is many RAT network structural representation in prior art;

Fig. 4 is UMTS part attachment flow figure in prior art;

Fig. 5 is SAE part attachment flow figure in prior art;

Fig. 6 is UMTS part Routing Area Update flow chart in prior art;

Fig. 7 is SAE part tracing section updating flow process in prior art;

Fig. 8 is that dual system network of network of the present invention obtains temporary mark flow chart;

Fig. 9 is first embodiment of the invention attachment flow figure.

Figure 10 is second embodiment of the invention attachment flow figure.

Figure 11 is third embodiment of the invention attachment flow figure.

Figure 12 is four embodiment of the invention Routing Area Update flow chart.

Figure 13 is fifth embodiment of the invention Routing Area Update flow chart.

Figure 14 is sixth embodiment of the invention Routing Area Update flow chart.

Figure 15 is seventh embodiment of the invention attachment flow figure.

Figure 16 is eighth embodiment of the invention attachment flow figure.

Figure 17 is ninth embodiment of the invention attachment flow figure.

Figure 18 is tenth embodiment of the invention Routing Area Update flow chart.

Figure 19 is eleventh embodiment of the invention Routing Area Update flow chart.

Figure 20 is twelveth embodiment of the invention Routing Area Update flow chart.

Figure 21 is thirteenth embodiment of the invention attachment flow figure.

Figure 22 is fourteenth embodiment of the invention attachment flow figure.

Figure 23 is fifteenth embodiment of the invention attachment flow figure.

Figure 24 is sixteenth embodiment of the invention tracing section updating flow chart.

Figure 25 is seventeenth embodiment of the invention tracing section updating flow chart.

Figure 26 is eighteenth embodiment of the invention tracing section updating flow chart.

Figure 27 is nineteenth embodiment of the invention attachment flow figure.

Figure 28 is twentieth embodiment of the invention attachment flow figure.

Figure 29 is 21st embodiment of the invention attachment flow figure.

Figure 30 is 22nd embodiment of the invention tracing section updating flow chart.

Figure 31 is 23th embodiment of the invention tracing section updating flow chart.

Figure 32 is 24th embodiment of the invention tracing section updating flow chart.

Embodiment

For making the technical scheme of embodiment of the present invention and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.

In dual system network of the present invention, acquiring temporaty mark by network flow process is as shown in Figure 8, wherein:

In step S301, UE transmission request information gives new control plane entity, wherein said new control plane entity can be new SGSN or new MME, described solicited message carries up-to-date TMSI information, described up-to-date TMSI information can be P-TMSI/RAI or S-TMSI/TAI, and described UE transmission request information be can be UE to solicited message in new control plane entity and sends request attachment information or UE to new SGSN/MME and send request Routing Area Update information to new SGSN or UE sends request tracing section updating information to new MME;

Step S302, described new SGSN/MME are according to up-to-date TMSI information to corresponding old control plane entity requests information, and wherein said old control plane entity can be old SGSN or old MME, and in attachment request, solicited message is IMSI and security parameter; In Routing Area Update or tracing section updating request, solicited message is context request information;

Step S303, old SGSN/MME judge whether the up-to-date TMSI information described in understanding, if so, then send response to new SGSN/MME, return the information that will ask, if not, then perform S304 or S308;

Step S304, new SGSN/MME ask another Temporary Mobile information to UE;

Step S305, UE have been confirmed whether another Temporary Mobile information, if so, then perform step S306, if not, then perform step S308, or directly send IMSI information to new SGSN/MME;

Step S306, described new SGSN/MME is according to another Temporary Mobile information to corresponding old SGSN/MME solicited message, and wherein in attachment request, solicited message is that in IMSI and security parameter, Routing Area Update or tracing section updating request, solicited message is context request information;

Step S307, old SGSN/MME judge whether to be familiar with another Temporary Mobile information, if so, then send response to new MME, return the information that will ask, if not, then perform S308;

Step S308, UE send IMSI information and complete acquiring temporaty mark by network to new SGSN/MME.

Wherein, in step S301, if carry P-TMSI/RAI and S-TMSI/TAI in request message simultaneously, and when which identifying for up-to-date TMSI information, step S302 can be performed, or can simultaneously to the old SGSN/MME solicited message of correspondence, and preferentially use up-to-date TMSI information corresponding old SGSN or old MME to return solicited message, and omit step S304, S305.

Wherein, in step S301, if only carry the TMSI information of native system in request message, new SGSN/MME is only according to the old SGSN/MME solicited message of described TMSI information to correspondence in step s 302.

According to carry different TMSI information in attachment request, Routing Area Update or tracing section updating request and to its carry out having processed accordingly the attachment of subscriber equipment in dual system network, Routing Area Update or tracing section updating embodiment as follows:

As shown in Figure 9, for first embodiment of the invention UE is attached to UMTS, and up-to-date TMSI information is the attachment flow figure of S-TMSI/TAI, wherein:

In step 401, UE sends Attach Request message to new SGSN, it is S-TMSI/TAI information that wherein said Attach Request message carries up-to-date TMSI information, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Table 1 mobile logo table

Step 402, new SGSN sends ID authentication request to old MME, namely new SGSN asks IMSI and security parameter information according to S-TMSI/TAI to old MME, old MME is confirmed whether to be familiar with this S-TMSI/TAI, if so, then send authentication to respond to new SGSN, return the information that will ask, if not, then step 403 is performed;

Step 403, old MME sends authentication response to new SGSN, sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 404 after receiving mistake instruction, or directly performs 408,409;

Step 404, new SGSN sends identification request to UE after receiving mistake instruction, namely new SGSN asks P-TMSI/RAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/RAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether P-TMSI/RAI, if so, then performs step 405, if not, then IMSI information is directly responded to new SGSN;

Mark Class Type

3 2 1

0 0 1 IMIS

0 1 0 IMEI

0 1 1 IMEISV

1 0 0 TMSI

1 0 1 P-TMSI

1 1 0 S-TMSI

Identity type in table 2 identification request

Step 405, UE sends identification request and responds to new SGSN, and namely UE sends P-TMSI/RAI information to new SGSN;

Step 406, new SGSN sends ID authentication request to old SGSN, and namely new SGSN asks IMSI and security parameter information by P-TMSI/RAI information to old SGSN, old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then send authentication to respond to new SGSN, return the information that will ask; If not, then step 407 is performed;

Step 407, old SGSN sends authentication response to new SGSN, and old SGSN sends mistake instruction to new SGSN;

Step 408, new SGSN sends IMSI information request to UE;

Step 409, UE sends IMSI identification information to new SGSN.

Second embodiment of the invention UE is attached to UMTS, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and up-to-date TMSI information be the attachment flow of S-TMSI/TAI as shown in Figure 10, wherein:

Step 501, UE sends Attach Request message to new SGSN, described Attach Request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI status indicator that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Table 3TMSI state table

Table 4P-TMSI/S-TMSI state table

Step 502, after new SGSN receives solicited message, the S-TMSI/TAI information that preferential use is up-to-date, asks IMSI and security parameter information according to described up-to-date S-TMSI/TAI information to old MME; Old MME is confirmed whether understanding S-TMSI/TAI information, if so, then sends authentication and responds to new SGSN, return the information that will ask; If not, then perform step 503,

Step 503, sends authentication to new SGSN and responds, and the instruction of transmission mistake can perform step 504, or directly can perform 506,507 after receiving wrong instruction to new SGSN, new SGSN;

Step 504, after new SGSN receives mistake instruction, uses P-TMSI/RAI information to ask IMSI and security parameter information to old SGSN;

Step 505, old SGSN is confirmed whether the SGSN described in understanding, if so, then sends authentication and responds to new SGSN, return the information that will ask; If not, then mistake instruction is returned to new SGSN;

Step 506, new SGSN sends IMSI information request to UE;

Step 507, UE receives IMSI information request, sends IMSI identification information to new SGSN.

Third embodiment of the invention UE is attached to UMTS, carries the P-TMSI/RAI information of native system simultaneously, and up-to-date TMSI information be the attachment flow of S-TMSI/TAI as shown in figure 11, wherein:

In step 601, UE sends Attach Request message to new SGSN, and wherein said Attach Request message carries P-TMSI/RAI information in native system;

Step 602, new SGSN sends ID authentication request to old SGSN, and namely new SGSN asks IMSI and security parameter information according to P-TMSI/RAI to old SGSN, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI information, if so, then send authentication to respond to new SGSN, return the information that will ask; If not, then step 603 is performed;

Step 603, old SGSN sends authentication response to new SGSN, sends mistake and is indicated to new SGSN, after wherein new SGSN receives mistake instruction, can perform step 604, or directly perform 608,609;

Step 604, new SGSN sends identification request to UE after receiving mistake instruction, namely new SGSN asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI, if so, then performs step 405, if not, then IMSI information is directly responded to new SGSN;

Step 605, UE sends S-TMSI/TAI information to new SGSN;

Step 606, new SGSN sends ID authentication request to old MME, namely new SGSN asks IMSI and security parameter information by S-TMSI/TAI information to old MME, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send authentication to respond to new SGSN, return the information bundle that will ask, if not, then step 607 is performed;

Step 607, old MME sends authentication response to new SGSN, sends mistake instruction to new SGSN;

Step 608, new SGSN sends IMSI information request to UE;

Step 609, UE receives IMSI information request, sends IMSI identification information to new SGSN.

Four embodiment of the invention UE initiates Routing Area Update in UMTS, and up-to-date TMSI information be the more new technological process of S-TMSI/TAI as shown in figure 12, wherein:

In step 4001, UE sends Routing Area Update request message to new SGSN, it is S-TMSI/TAI information that wherein said Attach Request message carries up-to-date TMSI information, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 4002, new SGSN sends context request to old MME, and namely new SGSN is according to S-TMSI/TAI to old MME request contexts information, and old MME is confirmed whether to be familiar with this S-TMSI/TAI, if so, then sends context response to new SGSN, returns the information that will ask; If not, then step 4003 is performed;

Step 4003, old MME sends context response to new SGSN, sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 4004 after receiving mistake instruction, or directly performs 4008;

Step 4004, new SGSN sends identification request to UE after receiving mistake instruction, namely new SGSN asks P-TMSI/RAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether P-TMSI/RAI, if so, then performs step 4005, if not, then IMSI information is directly responded to new SGSN;

Step 4005, UE sends identification response to new SGSN, and namely UE sends P-TMSI/RAI information to new SGSN;

Step 4006, new SGSN sends context request to old SGSN, and namely new SGSN passes through P-TMSI/RAI information to old SGSN request contexts information, old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then send context response to new SGSN, return the information that will ask; If not, then step 4007 is performed;

Step 4007, old SGSN sends context response to new SGSN, and old SGSN sends mistake instruction to new SGSN;

Step 4008, after new SGSN receives mistake instruction, new SGSN and UE performs safety function.

Fifth embodiment of the invention UE initiates Routing Area Update in umts, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and S-TMSI/TAI information be the Routing Area Update flow process of up-to-date TMSI information as shown in figure 13, wherein:

Step 5001, UE sends Routing Area Update request message to new SGSN, described Routing Area Update request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI status indicator that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 5002, after new SGSN receives solicited message, the S-TMSI/TAI/ information that preferential use is up-to-date, according to described up-to-date S-TMSI/TAI information to old MME request contexts information; Old MME is confirmed whether understanding S-TMSI/TAI information, if so, then sends context response to new SGSN, returns the information that will ask, if not, then perform step 5003,

Step 5003, to new SGSN transmission context response, the instruction of transmission mistake can perform step 5004, or directly can perform 5006 after receiving wrong instruction to new SGSN, new SGSN;

Step 5004, after new SGSN receives mistake instruction, uses P-TMSI/RAI information to old SGSN request contexts information;

Step 5005, old SGSN is confirmed whether the P-TMSI/RAI information described in understanding, if so, then sends context response to new SGSN, returns the information that will ask; If not, then mistake instruction is returned to new SGSN;

Step 5006, after new SGSN receives mistake instruction, new SGSN and UE performs safety function.

Wherein, in step 5002, also can be substituted by following 5002a,

Step 5002a, new SGSN according to S-TMSI/TAI and P-TMSI/RAI information simultaneously to old SGSN and old MME request contexts information, and the old MME return information of preferential use, if old MME returns error message, then use old SGSN return information, if old SGSN returns error message, then perform step 5006.

Sixth embodiment of the invention UE initiates Routing Area Update at UMTS, carries the P-TMSI/RAI information of native system simultaneously, and up-to-date TMSI information be the Routing Area Update flow process of S-TMSI/TAI as shown in figure 14, wherein:

In step 6001, UE sends Routing Area Update request message to new SGSN, and wherein said Attach Request message carries P-TMSI/RAI information in native system;

Step 6002, new SGSN sends context request to old SGSN, namely new SGSN according to P-TMSI/RAI to old SGSN request contexts information, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if, then send context response to new SGSN, return the information that will ask; If not, then step 6003 is performed;

Step 6003, old SGSN sends context response to new SGSN, namely sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 6004 after receiving mistake instruction, or directly performs 6008;

Step 6004, new SGSN sends request to UE after receiving mistake instruction, namely new SGSN asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI, if so, then performs step 6005, if not, then IMSI information is directly responded to new SGSN;

Step 6005, UE sends S-TMSI/TAI information to new SGSN;

Step 6006, new SGSN sends context request to old MME, and namely new SGSN passes through S-TMSI/TAI information to old MME request contexts information, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send context response to new SGSN, return the information that will ask; If not, then step 6007 is performed;

Step 6007, old MME sends context response to new SGSN, and namely old SGSN sends mistake instruction to new SGSN;

Step 6008, after new SGSN receives mistake instruction, new SGSN and UE performs safety function.

Seventh embodiment of the invention UE is attached to UMTS, carries up-to-date TMSI information to be simultaneously

The attachment flow of P-TMSI/RAI as shown in figure 15, wherein:

In step 701, UE sends Attach Request message to new SGSN, wherein said attachment request

Message carries up-to-date P-TMSI/RAI information;

Step 702, new SGSN sends ID authentication request to old SGSN, and namely new SGSN asks IMSI and security parameter information according to P-TMSI/RAI to old SGSN, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send authentication to new SGSN, return the information that will ask; If not, then step 703 is performed;

Step 703, old SGSN sends authentication response to new SGSN, sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 704 after receiving mistake instruction, or directly performs 708,709;

Step 704, after new SGSN receives mistake instruction, sends checking request to UE, namely new SGSN asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI, if so, then performs step 705, if not, then IMSI information is directly responded to new SGSN;

Step 705, UE sends S-TMSI/TAI information to new SGSN;

Step 706, new SGSN sends ID authentication request to old MME, and namely new SGSN asks IMSI and security parameter information by S-TMSI/TAI information to old MME, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send authentication to respond to new SGSN, return the information that will ask; If not, then step 707 is performed;

Step 707, old MME sends authentication response to new SGSN, and old SGSN sends mistake instruction to new SGSN;

Step 708, new SGSN sends IMSI information request to UE;

Step 709, UE receives IMSI information request, sends IMSI identification information to new SGSN.

Eighth embodiment of the invention UE is attached to UMTS, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and up-to-date TMSI information be the attachment flow of P-TMSI/RAI as shown in figure 16, wherein:

Step 801, UE sends Attach Request message to new SGSN, described Attach Request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI state mark that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 802, after new SGSN receives solicited message, the P-TMSI/RAI information that preferential use is up-to-date, asks IMSI and security parameter information according to described up-to-date P-TMSI/RAI information to old SGSN; Old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then sends authentication and responds to new SGSN, return the information that will ask; If not, then perform step 803,

Step 803, sends authentication to new SGSN and responds, and the instruction of transmission mistake can perform step 804, or directly can perform 806,807 after receiving wrong instruction to new SGSN, new SGSN;

Step 804, after new SGSN receives mistake instruction, uses S-TMSI/TAI information to ask IMSI and security parameter information to old MME;

Step 805, old MME is confirmed whether the S-TMSI/TAI information described in understanding, if so, then sends authentication and responds to new SGSN, return the information that will ask; If not, then mistake instruction is returned to new SGSN;

Step 806, new SGSN sends IMSI information request to UE after receiving mistake instruction;

Step 807, after UE receives IMSI information request, sends IMSI identification information to SGSN.

Wherein, in step in step 802, after new SGSN receives solicited message, ask IMSI and security parameter information to old SGSN and old MME according to S-TMSI/TAI and P-TMSI/RAI information simultaneously, and the old SGSN return information of preferential use, if old SGSN returns mistake instruction, then perform step 805,806,807.

Ninth embodiment of the invention UE is attached to UMTS, carries the P-TMSI/RAI information of native system simultaneously, and up-to-date TMSI information be the attachment flow of P-TMSI/RAI as shown in figure 17, wherein:

In step 901, UE sends Attach Request message to new SGSN, and wherein said Attach Request message carries P-TMSI/RAI information in native system;

Step 902, new SGSN sends ID authentication request to old SGSN, and namely new SGSN asks IMSI and security parameter information according to P-TMSI/RAI to old SGSN, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send authentication to respond to new SGSN, return the information that will ask; If not, then step 903 is performed;

Step 903, old SGSN sends authentication response to new SGSN, sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 904 after receiving mistake instruction, or directly performs 908,909;

Step 904, new SGSN sends identification request to UE after receiving mistake instruction, namely new SGSN asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI, if so, then performs step 905, if not, then IMSI information is directly responded to new SGSN;

Step 905, UE sends S-TMSI/TAI information to new SGSN;

Step 906, new SGSN sends ID authentication request to old MME, and namely new SGSN asks IMSI and security parameter information by S-TMSI/TAI information to old MME, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send authentication to respond to new SGSN, return the information that will ask; If not, then step 907 is performed;

Step 907, old MME sends authentication response to new SGSN, and namely old SGSN sends mistake instruction to new SGSN;

Step 908, new SGSN sends IMSI information request to UE after receiving mistake instruction;

Step 909, after UE receives IMSI information request, sends IMSI identification information to SGSN.

Tenth embodiment of the invention UE initiates Routing Area Update in umts, carries up-to-date simultaneously

TMSI information is that Routing Area Update flow process such as the figure institute 18 of P-TMSI/RAI shows, wherein:

In step 7001, UE sends Routing Area Update request message to new SGSN, wherein said

Routing Area Update request message carries up-to-date P-TMSI/RAI information;

Step 7002, new SGSN sends context request to old SGSN, namely new SGSN according to P-TMSI/RAI to old SGSN request contexts information, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send context response to new SGSN, return the information that will ask; If not, then step 7003 is performed;

Step 7003, old SGSN sends context response to new SGSN, sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 7004 after receiving mistake instruction, or directly performs 7008;

Step 7004, new SGSN sends identification request to UE after receiving mistake instruction, namely new SGSN asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI, if so, then performs step 7005, if not, then IMSI information is directly responded to new SGSN;

Step 7005, UE sends S-TMSI/TAI information to new SGSN;

Step 7006, new SGSN sends context request to old MME, and namely new SGSN passes through S-TMSI/TAI information to old MME request contexts information, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send context response to new SGSN, return the information that will ask; If not, then step 7007 is performed;

Step 7007, old MME sends context response to new SGSN, and old SGSN sends mistake instruction to new SGSN;

Step 7008, after new SGSN receives mistake instruction, new SGSN and UE performs safety function.

Eleventh embodiment of the invention UE initiates Routing Area Update in umts, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and P-TMSI/RAI information be up-to-date TMSI information router district more new technological process as shown in figure 19, wherein:

Step 8001, UE sends Routing Area Update request message to new SGSN, described Routing Area Update request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMS that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI state mark that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 8002, after new SGSN receives context request information, the P-TMSI/RAI information that preferential use is up-to-date, according to described up-to-date P-TMSI/RAI information to old SGSN request contexts information; Old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then sends context response to new SGSN, returns the information that will ask; If not, then perform step 8003,

Step 8003, to new SGSN transmission context response, the instruction of transmission mistake can perform step 8004, or directly can perform 8006 after receiving wrong instruction to new SGSN, new SGSN;

Step 8004, after new SGSN receives mistake instruction, uses S-TMSI/TAI information to old MME request contexts information;

Step 8005, old MME is confirmed whether the S-TMSI/TAI information described in understanding, if so, then sends context response to new SGSN, returns the information that will ask; If not, then mistake instruction is returned to new SGSN;

Step 8006, after new SGSN receives mistake instruction, SGSN and UE performs safety function.

Wherein, in step in step 8002, after new SGSN receives request contexts information, according to S-TMSI/TAI and P-TMSI/RAI information simultaneously to old SGSN and old MME request contexts information, and the old SGSN return information of preferential use, if old SGSN returns mistake instruction, then perform step 8005,8006,8007.

Twelveth embodiment of the invention UE initiates Routing Area Update in umts, carries the P-TMSI/RAI information of native system simultaneously, and up-to-date TMSI information be the Routing Area Update flow process of P-TMSI/RAI as shown in figure 20, wherein:

In step 9001, UE sends Routing Area Update request message to new SGSN, and wherein said Routing Area Update request message carries P-TMSI/RAI information in native system; And as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 9002, new SGSN sends context request to old SGSN, namely new SGSN according to P-TMSI/RAI to old SGSN request contexts information, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send context response to new SGSN, return the information that will ask; If not, then step 9003 is performed;

Step 9003, old SGSN sends context response to new SGSN, sends mistake and is indicated to new SGSN, and wherein new SGSN can perform step 9004 after receiving mistake instruction, or directly performs 9008;

Step 9004, new SGSN sends identification request to UE after receiving mistake instruction, namely new SGSN asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI, if so, then performs step 9005, if not, then IMSI information is directly responded to new SGSN;

Step 9005, UE sends S-TMSI/TAI information to new SGSN;

Step 9006, new SGSN sends context request to old MME, and namely new SGSN passes through S-TMSI/TAI information to old MME request contexts information, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send context response to new SGSN, return the information that will ask; If not, then step 9007 is performed;

Step 9007, old MME sends context response to new SGSN, and old SGSN sends mistake instruction to new SGSN;

Step 9008, after new SGSN receives error message, new SGSN and UE performs safety function.

Thirteenth embodiment of the invention UE is attached to LTE, and up-to-date TMSI information be the attachment flow of S-TMSI/TAI as shown in figure 21, wherein:

In step 1001, UE sends Attach Request message to new MME, it is S-TMSI/TAI information that wherein said Attach Request message carries up-to-date TMSI information, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1002, new MME sends ID authentication request to old MME, and namely new MME asks IMSI and security parameter information according to S-TMSI/TAI to old MME, old MME is confirmed whether to be familiar with this S-TMSI/TAI, if if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1003 is performed;

Step 1003, old MME sends authentication response to new MME, sends mistake and is indicated to new MME, and wherein new MME can perform step 1004 after receiving mistake instruction, or directly performs 1008,1009;

Step 1004, new MME sends identification request to UE after receiving mistake instruction, namely new MME asks P-TMSI/RAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether P-TMSI/RAI, if so, then performs step 1005, if not, then IMSI information is directly responded to new SGSN;

Step 1005, UE sends identification response to new MME, and namely UE sends P-TMSI/RAI information to new MME;

Step 1006, new MME sends checking request to old SGSN, and namely new MME asks IMSI and security parameter information by P-TMSI/RAI information to old SGSN, old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1007 is performed;

Step 1007, old SGSN sends auth response to new MME, and old SGSN sends mistake instruction to new MME;

Step 1008, new MME sends IMSI information request to UE after receiving mistake instruction;

Step 1009, after UE receives IMSI information request, sends IMSI identification information to new MME.

Fourteenth embodiment of the invention UE is attached to LTE, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and up-to-date TMSI information be the attachment flow of P-TMSI/RAI as shown in figure 22, wherein:

Step 1101, UE sends Attach Request message to new MME, described Attach Request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, can expand mark S-TMSI information or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI status indicator that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 1102, after new MME receives solicited message, the S-TMSI/TAI information that preferential use is up-to-date, asks IMSI and security parameter information according to described up-to-date S-TMSI/TAI information to old MME; Old MME is confirmed whether understanding S-TMSI/TAI information, if so, then sends authentication and responds to new MME, return the information that will ask; If not, then perform step 1103,

Step 1103, sends authentication to new MME and responds, and the instruction of transmission mistake can perform step 1104, or directly can perform 1106,1107 after receiving wrong instruction to new MME, new MME;

Step 1104, after new MME receives mistake instruction, uses P-TMSI/RAI information to ask IMSI and security parameter information to old SGSN;

Step 1105, old SGSN is confirmed whether the P-TMSI/RAI information described in understanding, if so, then sends authentication and responds to new MME, return the information that will ask; If not, then mistake instruction is returned to new MME;

Step 1106, new MME sends IMSI information request to UE after receiving mistake instruction;

Step 1107, after UE receives IMSI information request, sends IMSI identification information to new MME.

Wherein, in step 1102, new MME also can ask IMSI and security parameter information to old SGSN and old MME according to P-TMSI/RAI and S-TMSI/TAI simultaneously, and the preferential information using old MME to return, if old MME returns mistake instruction, then perform step 1105,1106,1107.

Fifteenth embodiment of the invention UE is attached to LTE, and carries up-to-date TMSI information and be

S-TMSI/TAI information attachment flow as shown in figure 23, wherein:

In step 1201, UE sends Attach Request message to new MME, wherein said Attach Request message carries S-TMSI/TAI information in native system, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1202, new MME sends ID authentication request to old MME, and namely new MME asks IMSI and security parameter information according to S-TMSI/TAI to old MME, old MME is confirmed whether to be familiar with this S-TMSI/TAI, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1203 is performed;

Step 1203, old MME sends authentication response to new MME, sends mistake and is indicated to new MME, and wherein new MME can perform step 1204 after receiving mistake instruction, or directly performs 1208,1209;

Step 1204, new MME sends identification request to UE after receiving mistake instruction, namely new MME asks P-TMSI/RAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether P-TMSI/RAI, if so, then performs step 1205, if not, then IMSI information is directly responded to new SGSN;

Step 1205, UE has been confirmed whether P-TMSI/RAI information, if so, then performs step 1206, if not, then directly sends IMSI information to new MME;

Step 1206, new MME sends ID authentication request to old SGSN, and namely new MME asks IMSI and security parameter information by P-TMSI/RAI information to old SGSN, old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1207 is performed;

Step 1207, old SGSN sends authentication response to new MME, and old SGSN sends mistake instruction to new MME;

Step 1208, new MME sends IMSI information request to UE after receiving mistake instruction;

Step 1209, after UE receives IMSI information request, sends IMSI identification information to new MME.

Sixteenth embodiment of the invention UE initiate in LTE Geng Zong district upgrade, and up-to-date TMSI information be the tracing section updating flow process of S-TMSI/TAI as shown in figure 24, wherein:

In step 1011, UE sends tracing section updating request message to new MME, it is S-TMSI/TAI information that wherein said tracing section updating request message carries up-to-date TMSI information, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1012, new MME sends context request to old MME, and namely new MME is according to S-TMSI/TAI to old MME request contexts information, and old MME is confirmed whether to be familiar with this S-TMSI/TAI, if so, then sends context response to new MME, returns the information that will ask; If not, then step 1013 is performed;

Step 1013, old MME sends context response to new MME, sends mistake and is indicated to new MME, and wherein new MME can perform step 1014 after receiving mistake instruction, or directly performs 1018;

Step 1014, after new MME receives mistake instruction, sends checking request to UE, namely new MME asks P-TMSI/RAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether P-TMSI/RAI, if so, then performs step 1015, if not, then IMSI information is directly responded to new SGSN;

Step 1015, UE sends auth response to new MME, and namely UE sends P-TMSI/RAI information to new MME;

Step 1016, new MME sends context request to old SGSN, and namely new MME passes through P-TMSI/RAI information to old SGSN request contexts information, old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then send context response to new MME, return the information that will ask; If not, then step 1017 is performed;

Step 1017, old SGSN sends context response to new MME, and namely old SGSN sends mistake instruction to new MME;

Step 1008, after new MME receives mistake instruction, new MME and UE performs safety function.。

Seventeenth embodiment of the invention UE is initiating updating of tracking area in LTE, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and P-TMSI/RAI information be up-to-date TMSI information trace district more new technological process as shown in the figure, wherein:

Step 1111, UE sends tracing section updating request message to new MME, described tracing section updating request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI state mark that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 1112, after new MME receives solicited message, the S-TMSI/TAI information that preferential use is up-to-date, according to described up-to-date S-TMSI/TAI information to old MME request contexts information; Old MME is confirmed whether understanding S-TMSI/TAI information, if so, then sends context response to new MME, returns the information that will ask; If not, then perform step 1113,

Step 1113, to new MME transmission context response, the instruction of transmission mistake can perform step 1114, or directly can perform 1116 after receiving wrong instruction to new MME, new MME;

Step 1114, after new MME receives mistake instruction, uses P-TMSI/RAI information to ask text message to old SGSN;

Step 1115, old SGSN is confirmed whether the P-TMSI/RAI information described in understanding, and if so, then this solicited message terminates; If not, then mistake instruction is returned to new MME;

Step 1116, after new MME receives Defect Indication information, new MME and UE sends and performs safety function.

Wherein, in step 1112, new MME also according to P-TMSI/RAI and S-TMSI/TAI simultaneously to old SGSN and old MME request contexts information, and can preferentially use the information that old MME returns, if old MME returns mistake instruction, then performs step 1115,1116.

Eighteenth embodiment of the invention UE is initiating updating of tracking area in LTE, and carries up-to-date

TMSI information be S-TMSI/TAI information trace district more new technological process as shown in figure 26, wherein:

In step 1211, UE sends tracing section updating request message to new MME, wherein said tracing section updating request message carries S-TMSI/TAI information in native system, and as shown in table 1 mobile logo, mark S-TMSI/TAI information can be expanded or in original 100 values, increase a new value 110 to identify S-TMSI/TAI information in value 100;

Step 1212, new MME sends context request to old MME, and namely new MME is according to S-TMSI/TAI to old MME request contexts information, and old MME is confirmed whether to be familiar with this S-TMSI/TAI, if so, then sends context response to new MME, returns the information that will ask; If not, then step 1213 is performed;

Step 1213, old MME sends context response to new MME, sends mistake and is indicated to new MME, and wherein new MME can perform step 1214 after receiving mistake instruction, or directly performs 1218;

Step 1214, new MME sends identification request to UE after receiving mistake instruction, namely new MME asks P-TMSI/RAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether P-TMSI/RAI, if so, then performs step 1215, if not, then IMSI information is directly responded to new SGSN;

Step 1215, UE has been confirmed whether P-TMSI/RAI information, if so, then performs step 1216, if not, then directly sends IMSI information to new MME;

Step 1216, new MME sends context request to old SGSN, and namely new MME passes through P-TMSI/RAI information to old SGSN request contexts information, old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then send context response to new MME, return the information that will ask; If not, then step 1217 is performed;

Step 1217, old SGSN sends context response to new MME, and old SGSN sends mistake instruction to new MME;

Step 1208, after new MME receives error message, new MME and UE performs safety function.。

Nineteenth embodiment of the invention UE is attached to LTE, carry simultaneously up-to-date TMSI information be the attachment flow of P-TMSI/RAI as shown in figure 27, wherein:

In step 1301, UE sends Attach Request message to new MME, and wherein said Attach Request message carries up-to-date P-TMSI/RAI information; And as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1302, new MME sends ID authentication request to old SGSN, and namely new MME asks IMSI and security parameter information according to P-TMSI/RAI to old SGSN, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1303 is performed;

Step 1303, old SGSN sends authentication response to new MME, sends mistake and is indicated to new MME, and wherein new MME can perform step 1304 after receiving mistake instruction, or directly performs 1308,1309;

Step 1304, new MME sends identification request to UE after receiving mistake instruction, and namely new MME asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI/RAI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, and 110 is S-TMSI, UE has been confirmed whether S-TMSI/TAI information, if then perform step 1305, if not, then IMSI information is directly sent to new MME;

Step 1305, UE sends S-TMSI/TAI information to new MME;

Step 1306, new MME sends ID authentication request to old MME, and namely new MME asks IMSI and security parameter information by S-TMSI/TAI information to old MME, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1207 is performed;

Step 1307, old MME sends authentication response to new MME, and old SGSN sends mistake instruction to new MME;

Step 1308, new MME sends IMSI information request to UE after receiving mistake instruction;

Step 1309, after UE receives wrong IMSI information request, sends IMSI identification information to new MME.

Twentieth embodiment of the invention UE is attached to LTE, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and up-to-date TMSI information be the attachment flow of P-TMSI/RAI as shown in figure 28, wherein:

Step 1401, UE sends Attach Request message to new MME, described Attach Request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI state mark that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 1402, after new MME receives solicited message, the P-TMSI/RAI/ information that preferential use is up-to-date, asks IMSI and security parameter information according to described up-to-date P-TMSI/RAI information to old SGSN; Old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then sends authentication and responds to new MME, return the information that will ask; If not, then perform step 1403,

Step 1403, sends authentication to new MME and responds, and the instruction of transmission mistake can perform step 1404, or directly can perform 1406,1407 after receiving wrong instruction to new MME, new MME;

Step 1404, after new MME receives mistake instruction, uses S-TMSI/TAI information to ask IMSI and security parameter information to old MME;

Step 1405, old MME is confirmed whether the S-TMSI/TAI information described in understanding, if so, then sends authentication and responds to new MME, return the information that will ask; If not, then mistake instruction is returned to new MME;

Step 1406, new MME sends IMSI information request to UE after receiving mistake instruction;

Step 1407, after UE receives IMSI information request, sends IMSI identification information to new MME.

Wherein, in step in step 1402, after new MME receives solicited message, ask IMSI and security parameter information to old SGSN and old MME according to S-TMSI/TAI and P-TMSI/RAI information simultaneously, and the old SGSN return information of preferential use, if old SGSN returns mistake instruction, then perform step 805,806,807.

21st embodiment of the invention UE is attached to LTE, carries the P-TMSI/RAI information of native system simultaneously, and attachment flow such as the figure institute 29 that described P-TMSI/RAI is up-to-date TMSI information shows, wherein:

In step 1501, UE sends Attach Request message to new MME, wherein said Attach Request message carries P-TMSI/RAI information in native system, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1502, new MME sends ID authentication request to old SGSN, and namely new SGSN asks IMSI and security parameter information according to P-TMSI/RAI to old SGSN, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1503 is performed;

Step 1503, old SGSN sends authentication response to new SGSN, sends mistake and is indicated to new MME, and wherein new MME can perform step 1504 after receiving mistake instruction, or directly holds 15908,1509;

Step 1504, new MME sends identification request to UE after receiving mistake instruction, namely new MME asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI and S-TMSI/TAI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI information, if so, then performs step 1505, if not, then IMSI information is returned directly to new MME;

Step 1505, UE sends S-TMSI/TAI information to new MME;

Step 1506, new MME sends ID authentication request to old MME, and namely new MME asks IMSI and security parameter information by S-TMSI/TAI information to old MME, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send authentication to respond to new MME, return the information that will ask; If not, then step 1507 is performed;

Step 1507, old MME sends authentication response to new MME, and namely old SGSN sends mistake instruction to new MME;

Step 1508, new MME sends IMSI information request to UE after receiving mistake instruction;

Step 1509, after UE receives IMSI information request, sends IMSI identification information to new MME.

22nd embodiment of the invention UE is initiating updating of tracking area request in LTE, carries the most simultaneously

New TMSI information be the tracing section updating flow process of P-TMSI/RAI as shown in figure 30, wherein:

In step 1311, UE sends tracing section updating request message to new MME, and wherein said tracing section updating request message carries up-to-date P-TMSI/RAI information; And as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1312, new MME sends context request to old SGSN, and namely new MME is according to P-TMSI/RAI to old SGSN request contexts information, and old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then sends context response to new MME, returns the information that will ask; If not, then step 1313 is performed;

Step 1313, old SGSN sends context response to new MME, sends mistake and is indicated to new MME, and wherein new MME can perform step 1314 after receiving mistake instruction, or directly performs 1318;

Step 1314, new MME sends identification request to UE after receiving mistake instruction, and namely new MME asks S-TMSI/TAI identification information to UE, wherein need to expand new value to identify P-TMSI and S-TMSI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, and 110 is S-TMSI, UE has been confirmed whether S-TMSI/TAI information, if then perform step 1305, if not, then IMSI information is directly sent to new MME;

Step 1315, UE sends S-TMSI/TAI information to new MME;

Step 1316, new MME sends context request to old MME, and namely new MME asks text message by S-TMSI/TAI information to old MME, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send context response to new MME, return the information that will ask; If not, then step 1217 is performed;

Step 1317, old MME sends context response to new MME, and old SGSN sends mistake instruction to new MME;

Step 1318, after new MME receives mistake instruction, new MME and UE performs safety function.

23th embodiment of the invention UE is initiating updating of tracking area request in LTE, carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and up-to-date TMSI information be the tracing section updating request flow process of P-TMSI/RAI as shown in figure 31, wherein:

Step 1411, UE sends tracing section updating request message to new MME, described tracing section updating request message carries S-TMSI/TAI and P-TMSI/RAI information simultaneously, and as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100.Simultaneously, expansion TMSI state information 11 identifies up-to-date TMSI information is in table 3 S-TMSI, it is P-TMSI that expansion TMSI state information 10 identifies up-to-date TMSI information, or the P-TMSI/S-TMSI state mark that increase as shown in table 4 is new, the P-TMSI/S-TMSI state information that wherein increase by is new in table 4 identifies up-to-date P-TMS and S-TMSI information.

Step 1412, after new MME receives solicited message, the P-TMSI/RAI information that preferential use is up-to-date, according to described up-to-date P-TMSI/RAI information to old SGSN request contexts information; Old SGSN is confirmed whether understanding P-TMSI/RAI information, if so, then sends context response to new MME, returns the information that will ask; If not, then perform step 1413,

Step 1413, to new MME transmission context response, the instruction of transmission mistake can perform step 1414, or directly can perform 1416 after receiving wrong instruction to new MME, new MME;

Step 1414, after new MME receives mistake instruction, uses S-TMSI/TAI information to old MME request contexts information;

Step 1415, old MME is confirmed whether the S-TMSI/TAI information described in understanding, and if so, then this solicited message terminates; If not, then mistake instruction is returned to new MME;

Step 1416, after new MME receives mistake instruction, new MME and UE performs safety function.

Wherein, in step 1412, after new MME receives solicited message, according to S-TMSI/TAI and P-TMSI/RAI information simultaneously to old SGSN and old MME request contexts information, and the old SGSN return information of preferential use, if old SGSN returns mistake instruction, then perform step 1415,1416.

The real 24 execution mode UE of the present invention the initiating updating of tracking area request in LTE, carries the P-TMSI/RAI information of native system simultaneously, and described P-TMSI/RAI be the tracing section updating flow process of up-to-date TMSI information as shown in the figure, wherein:

In step 1511, UE sends tracing section updating request message to new MME, and wherein said tracing section updating request message carries P-TMSI/RAI information in native system; And as shown in table 1 mobile logo, mark S-TMSI information can be expanded or increase a new value 110 to identify S-TMSI information in value 100;

Step 1512, new MME sends context request to old SGSN, namely new SGSN according to P-TMSI/RAI to old SGSN request contexts information, old SGSN is confirmed whether to be familiar with this P-TMSI/RAI, if so, then send context response to new MME, return the information that will ask; If not, then step 1513 is performed;

Step 1513, old SGSN sends context response to new SGSN, sends mistake and is indicated to new MME, and wherein new MME can perform step 1514 after receiving mistake instruction, or directly holds 1518;

Step 1514, new MME sends identification request to UE after receiving mistake instruction, namely new MME asks S-TMSI identification information to UE, wherein need to expand new value to identify P-TMSI and S-TMSI, as shown in identity type in table 2 identification request, the classification 101 in expansion identity type is P-TMSI, 110 is S-TMSI, UE has determined whether S-TMSI/TAI information, if so, then performs step 1515, if not, then IMSI information is returned directly to new MME;

Step 1515, UE sends S-TMSI/TAI information to new MME;

Step 1516, new MME sends context request to old MME, and namely new MME passes through S-TMSI/TAI information to old MME request contexts information, old MME is confirmed whether understanding S-TMSI/TAI information, if so, then send context response to new MME, return the information that will ask; If not, then step 1517 is performed;

Step 1517, old MME sends context response to new MME, and old SGSN sends mistake instruction to new MME;

Step 1508, after new MME receives mistake instruction, new MME and UE performs safety function.

In above-mentioned execution mode, adopt non-access state (Non Access Status, be called for short NAS) carry subscriber equipment temporary mark in message, also can carry subscriber equipment temporary mark in RRC information, and adopt RRC information to carry subscriber equipment temporary mark can only to carry native system TMSI information to complete the selection function of node.But, adopt in RRC information and carry subscriber equipment temporary mark and can save in NAS message and carry subscriber equipment temporary mark, and in NAS, carry native system TMSI information in above-mentioned execution mode all can be placed in RRC information, and need not repeat to save interface-free resources in NAS again.

As can be seen here, the present invention asks IMSI and security parameter information to complete the flow process of subscriber equipment attachment in dual system network by carrying different TMSI (S-TMSI/TAI/P-TMSI/RAI) information in attachment request and carrying out the corresponding SGSN/MME processing correspondence to it.Meanwhile, by carrying different TMSI information in Routing Area Update/tracing section updating request and carrying out processing to the RAU/TAU deserved SGSN/MME request contexts information being completed to subscriber equipment in dual system network accordingly to it.

In the execution mode that the present invention is all, wherein carrying up-to-date identification information to old SGSN/MME solicited message is optimization scheme of the present invention, this scheme can save interface-free resources, alleviate network burden, and can ensure the attachment under dual system and Route Area/Geng Zong district renewal.But, be not be bound to carry up-to-date identification information in UE transmission request information, therefore the present invention carries two information simultaneously or carries native system information to old SGSN/MME solicited message is also realize the prioritization scheme that attachment under dual system and Route Area/Geng Zong district upgrade.

Although by referring to some of the preferred embodiment of the invention, to invention has been diagram and describing, but those of ordinary skill in the art answers described understanding, can do various change in the form and details to it, and without departing from the spirit and scope of the present invention.

Claims

1. a method for acquiring temporaty mark by network, is characterized in that, comprises following steps:

Described new control plane entity responds to user equipment requests second Temporary Mobile information according to described request, wherein,

It is at described new control plane entity after user equipment requests second Temporary Mobile information Step, further comprising the steps of,

If subscriber equipment defines the second described Temporary Mobile information, then described new control plane entity is according to the second old control plane entity transmission request information of the second Temporary Mobile information to correspondence; If subscriber equipment determines do not have the second described Temporary Mobile information, subscriber equipment sends IMSI information to described new control plane entity;

It is after the second old control plane entity receives solicited message, further comprising the steps of,

Described second old control plane entity judges whether the second Temporary Mobile information described in understanding, if understanding, the information of its request is then sent to new control plane entity, if be not familiar with, described second old control plane entity sends errored response to new control plane entity, then new control plane entity is to user equipment requests IMSI information.

2. the method for acquiring temporaty mark by network according to claim 1, it is characterized in that, the first described Temporary Mobile information is the Temporary Mobile Subscriber Identity information in up-to-date Temporary Mobile Subscriber Identity information or native system, and wherein native system is the system at the new current place of control plane entity.

3. the method for acquiring temporaty mark by network according to claim 2, is characterized in that, the first described Temporary Mobile information or the second mobile logo information identify in mobile logo.

4. the method for acquiring temporaty mark by network according to claim 1, is characterized in that, the first described Temporary Mobile information or the second Temporary Mobile information identify in identification request.

5. according to the method for the acquiring temporaty mark by network of claims 1 to 3 described in any one, it is characterized in that, described new control plane entity can be new Serving GPRS Support Node or new Mobility Management Entity;

If the first described Temporary Mobile information is packet TMSI, then the first old control plane entity serving for old readers GPRS Support Node, the second old control plane entity are old Mobility Management Entity, the second described Temporary Mobile information is SAE packet TMSI;

If the first described Temporary Mobile information is SAE packet TMSI, then the first old control plane entity is old Mobility Management Entity, and the second old control plane entity serving for old readers GPRS Support Node, the second described Temporary Mobile information are packet TMSI.

6. the method for acquiring temporaty mark by network according to claim 5, is characterized in that,

Described new control plane entity receives the tracing section updating request that solicited message can be the attachment request of new Serving GPRS Support Node or the transmission of newly Mobility Management Entity reception subscriber equipment, new Serving GPRS Support Node receives the Routing Area Update request of subscriber equipment transmission or newly mobile management reception subscriber equipment sends that subscriber equipment sends.

7. the method for acquiring temporaty mark by network according to claim 6, it is characterized in that, when new Serving GPRS Support Node or new Mobility Management Entity receive subscriber equipment transmission attachment request, the solicited message that new control plane entity sends to the first old control plane entity or the second old control plane entity is ID authentication request information;

When new Serving GPRS Support Node receives the Routing Area Update request of subscriber equipment transmission or new mobile management receives the tracing section updating request of subscriber equipment transmission, the solicited message that new control plane entity sends to the first old control plane entity or the second old control plane entity is context request information.

8. a method for acquiring temporaty mark by network, is characterized in that, comprises following steps:

After described new control plane entity receives described request response, according to the second old control plane entity transmission request information of the second Temporary Mobile information to correspondence; Wherein,

Described new control plane entity according to the second Temporary Mobile information after the second old control plane entity transmission request information of correspondence, further comprising the steps of,

Described second old control plane entity judges whether the second Temporary Mobile information described in understanding, if understanding, the information of its request is sent to new control plane entity, if be not familiar with, described second old control plane entity sends errored response to new control plane entity, then new control plane entity is to user equipment requests IMSI information.

9. the method for acquiring temporaty mark by network according to claim 8, is characterized in that, step new control plane entity replaces according to the first old control plane entity transmission request information following steps of the first Temporary Mobile information to correspondence,

New control plane entity according to the first Temporary Mobile information with the second Temporary Mobile information simultaneously to the corresponding first old control plane entity and the second old control plane entity transmission request information.

10. the method for acquiring temporaty mark by network according to claim 9, is characterized in that, after the second old control plane entity receives solicited message, further comprising the steps of,

Described second old control plane entity judges whether understanding second Temporary Mobile information, if understanding, then sends the information of its request to described new control plane entity; If be not familiar with, the described second old new control plane entity sends errored response to new control plane entity, then new control plane entity according to errored response to user equipment requests IMSI information.

11. according to Claim 8 to 10 acquiring temporaty mark by network described in any one method, it is characterized in that,

The first described Temporary Mobile information or the second mobile logo information identify in mobile logo; And

The first described Temporary Mobile information and the second mobile logo information identify in Temporary Mobile Subscriber Identity state.

12., according to the method for the acquiring temporaty mark by network described in claim 11, is characterized in that,

The first described Temporary Mobile information and the second mobile logo information are identified in Temporary Mobile Subscriber Identity state and increase new value and identify or increase by a new Temporary Mobile Subscriber Identity state information and identify in Temporary Mobile Subscriber Identity state.

13. according to Claim 8 to 10 acquiring temporaty mark by network described in any one method, it is characterized in that, described new control plane entity can be new Serving GPRS Support Node or new Mobility Management Entity,

If the first Temporary Mobile information is SAE packet TMSI, then the first old control plane entity is old Mobility Management Entity, and the second old control plane entity serving for old readers GPRS Support Node, the second described Temporary Mobile information are packet TMSI.

The method of 14. acquiring temporaty mark by network according to claim 13, is characterized in that,

Described new control plane entity receives that request that subscriber equipment sends can be that new Serving GPRS Support Node or new mobile management receive that subscriber equipment sends attachment request, new Serving GPRS Support Node receives subscriber equipment and sends Routing Area Update request or new mobile management and receive subscriber equipment and send tracing section updating request.

The method of 15. acquiring temporaty mark by network according to claim 14, is characterized in that,

When new Serving GPRS Support Node or new Mobility Management Entity receive subscriber equipment transmission attachment request, the solicited message that new control plane entity sends to the first old control plane entity or the second old control plane entity is ID authentication request information;

The system of 16. 1 kinds of acquiring temporaty mark by network, is characterized in that, comprises:

First old control plane entity, for receiving the solicited message that new control plane entity sends, and for judging whether the first Temporary Mobile information described in understanding; If understanding, then send the information of its request to described new control plane entity; If be not familiar with, then send request response to described new control plane entity;

Second old control plane entity, for receiving the solicited message that new control plane entity sends, and for judging whether the second Temporary Mobile information described in understanding; If understanding, send the information of its request to new control plane entity, if be not familiar with, the described second old control plane entity sends errored response to new control plane entity, then new control plane entity is to user equipment requests IMSI information.

The system of 17. acquiring temporaty mark by network according to claim 16, is characterized in that, described new control plane entity is new Serving GPRS Support Node or new Mobility Management Entity.

The system of 18. acquiring temporaty mark by network according to claim 16, is characterized in that,

If the first described Temporary Mobile information is packet TMSI, then the entity serving for old readers GPRS Support Node of corresponding first Temporary Mobile information, the entity of corresponding second Temporary Mobile information are old Mobility Management Entity, the second described Temporary Mobile information is SAE packet TMSI;

If the first Temporary Mobile information is SAE packet TMSI, then the entity of corresponding first Temporary Mobile information is old Mobility Management Entity, and entity serving for old readers GPRS Support Node, the second described Temporary Mobile information of corresponding second Temporary Mobile information are packet TMSI.

The system of 19. acquiring temporaty mark by network according to claim 18, it is characterized in that, the solicited message that new control plane entity reception subscriber equipment sends is that subscriber equipment sends attachment solicited message to new Serving GPRS Support Node or new Mobility Management Entity, subscriber equipment sends tracing section updating solicited message to new Serving GPRS Support Node transmission Routing Area Update solicited message or subscriber equipment to new Mobility Management Entity.

The system of 20. acquiring temporaty mark by network according to claim 19, is characterized in that, attachment solicited message is ID authentication request information, and Routing Area Update request or tracing section updating solicited message are context request information.