CN107318158A

CN107318158A - A kind of message sends, recognized and mobility, the method for session management and node

Info

Publication number: CN107318158A
Application number: CN201610269234.5A
Authority: CN
Inventors: 卢飞; 朱进国; 李振东
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2016-04-26
Filing date: 2016-04-26
Publication date: 2017-11-03

Abstract

A kind of message sends, recognized and mobility, the method for session management and node, the wireless communication system disposed respectively applied to mobile management MM nodes and session management SM nodes, terminal and wireless access network are set up after radio resource control RRC connection, terminal sends RRC information to wireless access network, carries the information for indicating that NAS is MM message or SM message；NAS is sent to MM nodes or SM nodes by wireless access network according to instruction.MM nodes are received after attach request, are the preselected SM node of terminal and are distributed a temporary mark and registered location information, attachment response is returned to the terminal.SM nodes, which are received, to be set up after session request, is terminal selection user plane gateway, the user plane passage set up between the user plane gateway and the wireless access network.The application can improve the flexibility of system.

Description

A kind of message sends, recognized and mobility, the method for session management and node

Technical field

The present invention relates in wireless communication field, sent more particularly, to message, identification and mobility, The method and node of session management.

Background technology

Mobile communication has evolved to the 4G stages at present.The 4G network architecture is compared with earlier generations, mainly Feature be based on full IP transmission,

Fig. 1 shows a kind of 4G network architectures.The function of each network element is as follows in the network framework：

Terminal (UE, User Equipment), mainly accesses 4G networks by radio open and is taken Business, terminal is passed through Non-Access Stratum (NAS, Non-access stratum) by eating dishes without rice or wine and base station interactive information The mobility management entity interactive information of message and core net.

Wireless access network (RAN, Radio Access Network), is responsible for eating dishes without rice or wine for accessing terminal to network Scheduling of resource and and the connection management eated dishes without rice or wine,

Mobile management entity (MME, Mobility Management Entity)：Core network control surface is real Body, the main authentication being responsible for user, mandate and signing are checked, to ensure that user is validated user； User mobility is managed, including location registration and temporary mark distribution；Safeguard idle (IDLE) state and (CONNECT) state of connection and state transition；Switching under CONNECT states；Packet The maintenance that data network (PDN, Packet Data Network) is connected and carried, including create, repair Change and delete etc. the function of session management；The functions such as paging are triggered under user's IDLE state.

Gateway (SGW, Serving GW)：Core network user face functional entity, it is main to be responsible for unrestrained With PDN GW interaction in the case of trip；Downlink data packet is received under user's IDLE state to be cached simultaneously Notify MME calling users；Across the user plane anchor point of base station and across the ambulant user planes of 2G/3G/4G The functions such as anchor point.

Packet data gateway (PDN GW)：Core network user face functional entity, is terminal access PDN Access point, be responsible for distributing user IP address, the carrying of network-triggered is set up, modification and deleted, and is also had There is service quality (QoS, Quality of Service) to control the function such as charging, be user in 3GPP The anchor point switched in system and between non-3 GPP system, so as to ensure that IP address is constant, it is ensured that industry Business continuity.

In existing 4G networks, when terminal is adhered to, RRC (Radio Resource are set up between terminal and base station Connection after) connecting, terminal is connected to mobile management entity by RRC and initiates attach request, and this disappears Identified in breath with user：International mobile subscriber identity (IMSI, International Mobile Subscriber Identification Number).Optionally, also with the information related to session such as access point name (APN, Access Point Name)) and PDN types (PDN Type).Wireless access network ( Can be described as base station) in the message plus after user's current cell information, issue mobile management entity.Move Move after being authenticated successfully between management entity and terminal, information of eating dishes without rice or wine is entered between wireless access network and UE Row encryption and integrity protection, the NAS signaling between UE and mobility management entity also carry out integrality Protection.Mobility management entity is obtained from home subscriber server (HSS, home subscriber server) Signing information simultaneously carries out signing inspection, if signing inspection passes through, mobile management entity selection is suitable SGW and GW, by the interaction between these entities, sets up default between wireless access network and SGW The user plane passage of carrying, and eated dishes without rice or wine radio channel by the interaction foundation between wireless access network and UE. Mobile management entity returns to attachment received message by wireless access network to terminal, and terminal is real to mobile management Body returns to attachment completion message.After terminal is adhered to successfully, if without data transfer, eating dishes without rice or wine to connect with S1 Mouth will be released, and terminal enters IDLE Idle state, and attaching process is alternatively referred to as registration process, accordingly, Above-mentioned attach request, attachment response are referred to as registration request, registration response, and the rest may be inferred.

The present inventor it has been investigated that, 4G mainly services for people and people, and PDN GW position can With the higher of deployment, said system can be very good to meet 4G business demand.The 5G epoch have been arrived, with The support to being communicated between thing and thing, PDN GW position may be very low.And MME is both contained Mobile management also contains the function of session management, so as to cause MME functions excessively complicated, inconvenient Safeguarded in follow-up function.

The content of the invention

In view of this, the invention provides following scheme.

A kind of message method, applied to mobile management MM nodes and session management SM nodes point The wireless communication system do not disposed, methods described includes：

Terminal and wireless access network set up radio resource control RRC connection；

The terminal is connected to the wireless access network by the RRC and sends RRC information, the RRC Message carries Non-Access Stratum signaling NAS, and the information that instruction NAS is MM message or SM message, Wherein, the MM message is the message for being sent to MM nodes, and the SM message is to be sent to SM The message of node.

A kind of mobile management MM sections in terminal in wireless communication system, the wireless communication system Point and session management SM nodes are disposed respectively, and the terminal includes：

RRC connection establishment modules, for setting up radio resource control RRC connection with wireless access network；

RRC information sending module, RRC is sent for being connected by the RRC to the wireless access network Message, the RRC information carries Non-Access Stratum signaling NAS, and indicate NAS be MM message or The information of SM message, wherein, the MM message is the message for being sent to MM nodes, the SM Message is the message for being sent to SM nodes.

A kind of message recognition methods, applied to mobile management MM nodes and session management SM nodes point The wireless communication system do not disposed, methods described includes：

Wireless access network receives the radio resource control RRC message of terminal transmission, the RRC information Non-Access Stratum signaling NAS is carried, and indicates the information that NAS is MM message or SM message；

The wireless access network the RRC information carry indicate NAS be MM message information when, The NAS is sent to MM nodes, is carried in the RRC information and indicates that NAS is SM message During information, the NAS is sent to SM nodes.

A kind of mobile management in wireless access network in wireless communication system, the wireless communication system MM nodes and session management SM nodes are disposed respectively, and the wireless access network includes：

RRC information receiving module, the radio resource control RRC message for receiving terminal transmission, The RRC information carries Non-Access Stratum signaling NAS, and indicates that NAS is MM message or SM message Information；

NAS message sending module, indicates that NAS is MM message for being carried in the RRC information During information, the NAS is sent to MM nodes, is carried in the RRC information and indicates that NAS is During the information of SM message, the NAS is sent to SM nodes.

A kind of motion management method, applied to mobile management MM nodes and session management SM nodes The wireless communication system disposed respectively, methods described includes following attachment flow：

First MM nodes receive in the attach request of terminal transmission, the attach request and carry the end User's mark at end；

The first MM nodes are the preselected SM node of the terminal, and are the terminal distribution One temporary mark and registered location information；

The first MM nodes return to attachment response to the terminal, carry described in the attachment response Temporary mark and the registered location information.

In a kind of mobile management MM nodes in wireless communication system, the wireless communication system MM nodes and session management SM nodes are disposed respectively, and the MM nodes include terminal attachment processing mould Block, the terminal attachment processing module includes：

Institute is carried in request reception unit, the attach request sent for receiving terminal, the attach request State user's mark of terminal；

Adhere to processing unit, for for the preselected SM node of the terminal, and be the terminal point With a temporary mark and registered location information；

Sending module is responded, for returning to attachment response to the terminal, institute is carried in the attachment response State temporary mark and the registered location information.

A kind of conversation managing method, applied to mobile management MM nodes and session management SM nodes point The wireless communication system do not disposed, methods described includes：

The terminal that first SM node receive wireless access network forwarding sets up session request；

The first SM nodes be the terminal select user plane gateway, and with the user plane gateway and Wireless access network interaction, be the terminal set up the user plane gateway and the wireless access network it Between user plane passage；

The first SM nodes return to the terminal and set up conversational response.

A kind of movement in session management SM nodes in wireless communication system, the wireless communication system Property management MM nodes and SM nodes dispose respectively, the SM nodes include session establishment processing module, The session establishment processing module includes：

Request reception unit, the terminal for receiving wireless access network forwarding sets up session request；

Session establishment processing unit, for for the terminal select user plane gateway, and with the user plane Gateway and wireless access network interaction, are that the terminal is set up the user plane gateway and described wirelessly connect User plane passage between networking；

Transmitting element is responded, conversational response is set up for being returned to the terminal.

A kind of information storage means, applied to mobile management MM nodes and session management SM nodes point Not Bu Shu and the wireless communication system including storage and data authentication center, methods described includes：

Storage and data authentication center receive the storage request of MM nodes transmission, in the storage request Carry the mark of user's mark, the mark of SM nodes and MM nodes；

The storage and data authentication center identify the user in the storage request, the mark of SM nodes Know and the mark correspondence of MM nodes is preserved.

A kind of shifting in storage and data authentication center in wireless communication system, the wireless communication system Mobility management MM nodes and SM nodes are disposed respectively, and the storage and data authentication center include information Memory module, described information memory module includes：

Request reception unit is stored, the storage request for receiving the transmission of the first MM nodes is described to deposit The mark of user's mark, the mark of SM nodes and MM nodes is carried in storage request；

Information holding unit, for by it is described storage request in user mark, the mark of SM nodes and The mark correspondence of MM nodes is preserved.

Such scheme provides the channel radio further decoupled in mobile management node and session management node In letter system, message transmission, message identification, mobile management, the method for session management and corresponding are realized Node, the flexibility of system can be improved.

Brief description of the drawings

Fig. 1 is a kind of schematic diagram of the 4G network architectures；

Fig. 2 be the embodiment of the present invention based on communication system network architecture diagram；

Fig. 3 is the flow chart of the message method of the embodiment of the present invention one；

Fig. 4 is the module map of the terminal of the embodiment of the present invention one；

Fig. 5 is the flow chart of the message recognition methods of the embodiment of the present invention two；

Fig. 6 is the module map of the wireless access network of the embodiment of the present invention two；

The flow chart that terminal is adhered in the motion management method of Fig. 7 embodiment of the present invention three；

The flow chart of updating of terminal position in the motion management method of Fig. 8 embodiment of the present invention three；

The module map of MM nodes in Fig. 9 embodiment of the present invention；

The flow chart of session establishment in the conversation managing method of Figure 10 embodiment of the present invention four；

The module map of the SM nodes of Figure 11 embodiment of the present invention four；

Figure 12 is that the embodiment of the present invention five is stored and the flow chart that row information is stored is entered at data authentication center；

Figure 13 is the signaling process figure of present invention application example one terminal attachment；

Figure 14 is the signaling process figure of the present invention application session establishment of example two；

Figure 15 is a kind of signaling process figure of the present invention application location updating of example three；

Figure 16 is the signaling process figure of the present invention application another location updating of example four.

Embodiment

For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing Embodiments of the invention are described in detail.It should be noted that in the case where not conflicting, this Shen Please in embodiment and the feature in embodiment can mutually be combined.

With the application of virtualization technology, a kind of network function can be very easily deployed on empty machine, this When influence to legacy network need it is more few better.The embodiment of the present invention by mobile management node (MM, Mobility Management) and session management (SM, Session Management) independently go out from MME Come, so that mobile management node and session management node are further decoupled, so as to improve system Flexibility.Here session refers to the point-to-point path between UE to PDN GW, what session management referred to It is management to this path including creates, modification and the function such as deletes.

Fig. 3 is the net for the wireless communication system that MM of embodiment of the present invention nodes and SM nodes are disposed respectively In network framework, the framework, mobile management node is responsible for UE mobile management, selects session management The distribution of node and UE temporary marks, and session management node is responsible for UE session management node.Terminal (UE) MM nodes and SM nodes are respectively connected to by wireless access network (RAN).Storage and number It is used to provide information storage and data authentication function according to authentication center, for example, corresponds to and preserve the related use of terminal The mark of family mark, the mark of MM nodes and SM nodes.

Embodiment one

The wireless communication system disposed respectively in mobile management MM nodes and session management SM nodes In, terminal to MM nodes or SM nodes may send NAS message by wireless access network, Wen Zhong, The NAS message for being sent to MM nodes is referred to as MM message, the NAS message of SM nodes is sent to Referred to as SM message.Eating dishes without rice or wine, MM message and SM message carry and is sent to wireless access in terminal In the RRC information of net, wireless access network is it needs to be determined that NAS message therein is MM message or SM Message, to send it to corresponding node.The present embodiment is referred to accordingly by being carried in RRC information Show information to solve this problem.

The present embodiment provides a kind of message method, as shown in figure 3, including：

Step 110, terminal and wireless access network set up radio resource control RRC connection；

Step 120, the terminal is connected by the RRC and disappeared to wireless access network transmission RRC Breath, the RRC information carries Non-Access Stratum signaling NAS, and indicates that NAS is MM message or SM The information of message, wherein, the MM message is the message for being sent to MM nodes, the SM message To be sent to the message of SM nodes.

The present embodiment indicates that the information that NAS is MM message or SM message can be new in RRC information The information unit (IE) of increasing, can also be using the retention for having information unit, and the present invention is to the information Form do not do and limit to.When terminal is adhered to or during location updating, the NAS of transmission is Attach Request message Or location update request message, the NAS message is destined to the MM message of MM nodes, therefore, The RRC information carries the information for indicating that NAS is MM message.When terminal sets up session, transmission NAS message is to set up conversation request message, and the NAS message is destined to the SM message of SM nodes, Now RRC information carries the information for indicating that NAS is SM message.

In the present embodiment, the RRC information that terminal is sent after adhering to successfully also carries facing for the terminal When identify, the temporary mark exists comprising mark, the mark of SM nodes and the terminal of MM nodes Unique mark in MM nodes.MM nodes and SM nodes therein are currently to provide movement for terminal Property management service MM nodes and for terminal provide session management service SM nodes.

Correspondingly, the present embodiment additionally provides the terminal in a kind of wireless communication system, the radio communication Mobile management MM nodes and session management SM nodes in system are disposed respectively, wherein, the end End includes：

RRC connection establishment modules 10, for setting up radio resource control RRC connection with wireless access network；

RRC information sending module 20, sends for being connected by the RRC to the wireless access network RRC information, the RRC information carries Non-Access Stratum signaling NAS, and indicates that NAS disappears for MM The information of breath or SM message, wherein, the MM message is the message for being sent to MM nodes, described SM message is the message for being sent to SM nodes.

Alternatively,

The RRC information that the RRC information sending module is sent also carries the temporary mark of the terminal, Mark, the mark of SM node and the terminal of the temporary mark comprising MM nodes are in MM nodes In unique mark.

Embodiment two

In the present embodiment, wireless access network is received after RRC information, indicates to determine NAS according to therein Message is MM message or SM message, so as to carry out the transmission of message exactly.

The message recognition methods of the present embodiment is applied to mobile management MM nodes and session management SM is saved The wireless communication system that point is disposed respectively, as shown in figure 5, including：

Step 210, wireless access network receives the radio resource control RRC message of terminal transmission, described RRC information carries Non-Access Stratum signaling NAS, and indicates the letter that NAS is MM message or SM message Breath；

Step 220, the wireless access network carries in the RRC information and indicates that NAS is MM message Information when, the NAS is sent to MM nodes, the RRC information carry indicate NAS For SM message information when, the NAS is sent to SM nodes.

In the present embodiment, terminal adhere to when, MM nodes be one temporary mark of terminal distribution, text in The temporary mark is as being unique interim UE marks (GUTI, Globally Unique the Temporary UE in the whole world Identity), Temporary Mobile Subscriber Identity (TMSI, Temporary Mobile Subscriber Identity) Or the mark of the similar functions of protocol definition.In one example, the temporary mark is saved comprising MM Unique mark of the mark, the mark of SM nodes and the terminal of point in MM nodes.It is described wireless The mark for the MM nodes that access network can be included according to the temporary mark, the NAS is sent to The MM nodes；Or the mark of the SM nodes included according to the temporary mark, by the NAS It is sent to the SM nodes.Certainly, it is that the SM nodes of terminal service and the mark of MM nodes also may be used To be present in included in other information unit or as independent information unit in RRC information, its His embodiment is herewith.

Because terminal is moved, its wireless access network accessed can not communicate with original MM nodes.Now, The mark for the MM nodes that wireless access network is currently accessed according to the terminal, determined to need for as described in eventually End reselects a MM node, then reselects a MM node and by described in for the terminal NAS is sent to the MM nodes reselected.

The present embodiment additionally provides the wireless access network in a kind of wireless communication system, the radio communication system Mobile management MM nodes and session management SM nodes in system are disposed respectively, as shown in fig. 6, institute Stating wireless access network (can be specifically base station) includes：

RRC information receiving module 30, the radio resource control RRC message for receiving terminal transmission, The RRC information carries Non-Access Stratum signaling NAS, and indicates that NAS is MM message or SM message Information；

NAS message sending module 40, indicates that NAS disappears for MM for being carried in the RRC information During the information of breath, the NAS is sent to MM nodes, is carried in the RRC information and indicates NAS For SM message information when, the NAS is sent to SM nodes.

Alternatively,

The temporary mark of the terminal is also carried in the RRC information that the RRC information receiving module is received, Mark, the mark of SM node and the terminal of the temporary mark comprising MM nodes are in MM nodes In unique mark；

The NAS is sent to MM nodes by the NAS message sending module, including：According to described The mark for the MM nodes that temporary mark is included, the MM nodes are sent to by the NAS；

The NAS is sent to SM nodes by the NAS message sending module, including：According to described The mark for the SM nodes that temporary mark is included, the SM nodes are sent to by the NAS.

Alternatively,

Also carry what the terminal was currently accessed in the RRC information that the RRC information receiving module is received The mark of MM nodes；

The NAS is sent to MM nodes by the NAS message sending module, including：According to described The mark for the MM nodes that terminal is currently accessed, determined to need the terminal for as described in reselect a MM Node, then reselect a MM node and be sent to the NAS and reselect for the terminal The MM nodes.

Embodiment three

In the present embodiment, MM nodes provide mobile management service for terminal.When terminal is adhered to, MM The mobile management service that node is provided includes for terminal distribution temporary mark, registered location information etc., MM nodes can be the preselected SM node of terminal in attachment flow without session management. When terminal carries out location updating, the respective handling of location updating is also completed by MM nodes.

The motion management method that the present embodiment is provided is applied to mobile management MM nodes and session management The wireless communication system that SM nodes are disposed respectively, as shown in fig. 7, methods described includes following attachment stream Journey：

Step 310, the first MM nodes are received in the attach request of terminal transmission, the attach request Carry user's mark of the terminal；

In the present embodiment, user's mark of terminal such as can be IMSI.

Step 320, the first MM nodes are the preselected SM node of the terminal, and are institute State one temporary mark of terminal distribution and registered location information；

In the present embodiment, when parsing NAS message, the first MM nodes need to storage and data to recognize Demonstrate,prove the legitimacy of center certification data.

In the present embodiment, the first MM nodes can identify the signing information for obtaining user according to the user, Preselected according to the customer position information that the signing information and/or the attach request are carried for the terminal Select a SM node.In one example, the first MM nodes can be with for the temporary mark of terminal distribution Identifying comprising the MM nodes, the mark of the preselected SM nodes and the terminal are in MM Unique mark in node.

In the present embodiment, the wireless communication system also includes storage and data authentication center, the first MM After node is according to the preselected SM node of the signing information, sent to storage and data authentication center Storage request, by user mark, the mark of the preselected SM nodes and the MM nodes Mark correspondence be stored in storage and data authentication center in.Other nodes such as SM sections so in network Point etc. can just arrive the SM nodes and MM nodes of storage and data authentication center inquiry terminal access, and The information such as the mapping relations of SM nodes and MM nodes.First MM nodes can also be by for terminal distribution Temporary mark together with above- mentioned information correspond to be stored in storage and data authentication center.First MM can be with From storage and data authentication center inquiry above- mentioned information, in order to reduce and store and data authentication center friendship Mutually, MM can also preserve above-mentioned user's mark, the mark of SM nodes and MM nodes in local correspondence Mark.

In another embodiment, above- mentioned information store function can be realized and by MM nodes in MM nodes The interface of inquiry is provided.

Step 330, the first MM nodes return to attachment response, the attachment response to the terminal The middle carrying temporary mark and the registered location information.

In the present embodiment, the attachment response for returning to terminal also carries the mark of the SM nodes, described The mark of SM nodes may be embodied in the temporary mark, can also be as independent in the attachment response Information unit.

The motion management method that the present embodiment is provided also includes position update flow, as shown in figure 8, bag Include：

Step 410, the 2nd MM nodes receive the position updating request that the terminal is sent, institute's rheme Put and update the current positional information of the request carrying terminal；

Here the 2nd MM nodes can be identical with the first MM nodes above, that is to say that terminal is attached What the MM nodes accessed when were accessed after being moved but it is also possible to be terminal is different from the first MM nodes Other MM nodes.

Step 420, the 2nd MM nodes, according to the current positional information of the terminal, are the end The new registered location information of end distribution；

In position updating process, terminal may have been moved out the service range of the SM nodes accessed originally, Now MM nodes can reselect a SM node for terminal.Specifically, the 2nd MM nodes connect After receiving the position updating request that the terminal is sent, can according to the current positional information of the terminal, A SM node, which is reselected, for the terminal provides session management service for the terminal.

When temporary mark includes the mark of SM nodes, a SM section is being reselected for the terminal After point, the 2nd MM nodes are also for described one new temporary mark of terminal distribution and will be described new interim Mark is carried returns to the terminal in location updating response, and the new temporary mark includes weight The mark of the SM nodes newly selected.In addition, the 2nd MM nodes can also be to storage and number The modification request of SM nodal informations is sent according to authentication center, will be protected in the storage and data authentication center The mark that the user deposited identifies corresponding SM nodes is updated to the SM nodes reselected Mark.

In the present embodiment, it is after terminal reselects a SM node in the 2nd MM nodes, can be with Including：By the mark hair of user mark, the mark of the 2nd MM nodes and original SM nodes Give the SM nodes reselected., can be to former SM after the SM reselected is received Ask the information of SM contexts.Wen Zhong, former SM refer to reselect before SM nodes for terminal, former To provide the SM nodes of session management service for the terminal.

In above-mentioned position update flow, the 2nd MM nodes are probably that wireless access network is the terminal weight The MM nodes newly selected.Now, the 2nd MM nodes receive location updating that the terminal sends please After asking, one or more of processing can also be carried out：

The modification request of MM nodal informations is sent to the storage and data authentication center, will be deposited described The mark that the user that storage and data authentication center are preserved identifies corresponding MM nodes is updated to described the The mark of two MM nodes；

Carried for described one new temporary mark of terminal distribution and by the new temporary mark in institute's rheme Put and the terminal is returned in renewal response, the new temporary mark includes the 2nd MM nodes Mark；

Repairing for MM nodal informations is sent to the SM nodes for currently providing session management service for the terminal Change request, carry user's mark and the mark of the 2nd MM nodes.SM nodes can basis The modification is asked, and updates the mark of the MM nodes corresponding with user mark preserved.Wherein, institute It can be that the 2nd MM nodes are to state the SM nodes for currently providing session management service for the terminal The SM nodes that the terminal is reselected；Either the 2nd MM nodes are according to the location updating The SM nodes that the mark of the SM nodes carried in request is determined；Or the 2nd MM node roots Obtained according to the mark of the MM nodes carried in the position updating request to corresponding MM querying nodes SM nodes；Either the 2nd MM nodes are saved according to the MM carried in the position updating request The mark of point or the temporary mark of the terminal, the SM obtained to storage and the inquiry of data authentication center are saved Point, etc..

Step 430, the 2nd MM nodes update to the terminal home position and responded, the position Update in response and carry the new registered location information.

Correspondingly, the present embodiment additionally provides the mobile management MM nodes in a kind of wireless communication system, MM nodes and session management SM nodes in the wireless communication system are disposed respectively, as shown in figure 9, The MM nodes include terminal and adhere to processing module 50 and location update processing module 60, wherein：

The terminal attachment processing module includes：

Alternatively,

The attachment processing unit is the preselected SM node of the terminal, including：Used according to described Family mark obtains the signing information of user, the use carried according to the signing information and/or the attach request Family positional information is the preselected SM node of the terminal.

Alternatively,

The mark of the SM nodes is also carried in the attachment response that the response sending module is sent, it is described The mark of SM nodes is included in the temporary mark, or is used as information independent in the attachment response Unit.

Alternatively,

The wireless communication system also includes storage and data authentication center；

The terminal attachment processing module also includes：Information memory cell, for storage and data authentication Center sends storage request, by user mark, the mark of the preselected SM nodes and this MM The mark correspondence of node is stored in storage and data authentication center.

Alternatively,

It is described attachment processing unit for the terminal distribution temporary mark comprising this MM nodes mark, Unique mark of the mark and the terminal of the preselected SM nodes in MM nodes.

Alternatively,

The MM nodes also include location update processing module, and the location update processing module includes：

Request reception unit, for receiving the position updating request that the terminal is sent, the position is more New request carries the current positional information of the terminal；

Location updating processing unit, for according to the current positional information of the terminal, being the terminal point With new registered location information；

Transmitting element is responded, is responded for being updated to the terminal home position, the location updating response It is middle to carry the new registered location information.

Alternatively,

The location updating processing unit, always according to the current positional information of the terminal, is the terminal weight Newly one SM node of selection provides session management service for the terminal.

Alternatively,

The location updating processing unit be the terminal reselect after a SM node, also carry out with Lower one or more processing：

The position sent for described one new temporary mark of terminal distribution and by the response transmitting element Update response and return to the terminal, the new temporary mark includes the SM nodes reselected Mark；

The modification request of SM nodal informations is sent to the storage and data authentication center, will be deposited described The mark that the user that storage and data authentication center are preserved identifies corresponding SM nodes is updated to select again The mark for the SM nodes selected；

The mark of user mark, the mark of this MM nodes and original SM nodes is sent to again The SM nodes of selection.

Alternatively,

The location updating processing unit is that wireless access network reselects for the terminal in this MM nodes MM nodes when, also carry out one or more of processing：

The modification request of MM nodal informations is sent to the storage and data authentication center, will be deposited described The mark that the user that storage and data authentication center are preserved identifies corresponding MM nodes is updated to this MM The mark of node；

The position sent for described one new temporary mark of terminal distribution and by the response transmitting element Update response and return to the terminal, the new temporary mark includes the mark of this MM nodes；

Repairing for MM nodal informations is sent to the SM nodes for currently providing session management service for the terminal Change request, carry user's mark and the mark of this MM nodes.

Example IV

In the wireless telecommunication system of the present embodiment, SM nodes provide session management service for terminal.At end End initiate session establishment when, will access SM nodes and by SM nodes be terminal set up user plane gateway and User plane passage between wireless access network.

The conversation managing method that the present embodiment is provided is applied to mobile management MM nodes and session management The wireless communication system that SM nodes are disposed respectively, as shown in Figure 10, methods described includes：

Step 510, the first SM node receive the terminal of wireless access network forwarding and set up session request；

Step 520, the first SM nodes be the terminal select user plane gateway, and with the user Veil is closed and wireless access network interaction, is that the terminal sets up the user plane gateway and described wireless User plane passage between access network；

In the present embodiment, the wireless communication system also includes storage and data authentication center, the storage And data authentication center is used for the user's mark and temporary mark that correspondence preserves terminal；It is described set up session please Seek the middle temporary mark for carrying the terminal；The first SM nodes are according to the temporary mark of the terminal User's mark of the terminal is inquired to the storage and data authentication center, is identified according to the user The user plane passage is set up for the terminal.

In the present embodiment, SM nodes can preserve the information of corresponding MM nodes.Specifically, it is described The mark that the terminal provides the MM nodes of mobility service is included as in the temporary mark of terminal；It is described After first SM querying nodes are identified to the user of the terminal, the user can be identified and described The mark correspondence of MM nodes in temporary mark is preserved.Certainly, SM nodes can also be according to interim mark Know the mark that MM nodes corresponding with user mark are inquired from storage and data authentication center, will User's mark is corresponding with the mark of the MM nodes inquired to be preserved.

Step 530, the first SM nodes return to the terminal and set up conversational response.

In the present embodiment, if SM nodes correspondence preserves user's mark and the mark of MM nodes, and eventually Terminate into MM nodes changed, then need update preserve MM nodes mark.Specifically Flow includes：2nd SM nodes receive the MM nodes or storage and data authentication that terminal is currently accessed The modification request that center is sent, the user's mark for changing the request carrying terminal and MM nodes Mark；The 2nd SM nodes are by the mark of the MM nodes corresponding with user mark locally preserved Know the mark for the MM nodes for being updated to be carried in the modification request；The 2nd SM nodes are to described MM nodes or storage and the return modification response of data authentication center that terminal is currently accessed；Wherein, it is described 2nd SM nodes and the first SM nodes can be with identical or different, for example, the 2nd SM nodes can be Terminal is set up after session, the SM nodes that are being reselected by wireless access network for terminal because of mobile.

In the present embodiment, if the 2nd SM nodes are the SM sections that network side reselects for the terminal Point, the 2nd SM nodes are received in the MM nodes or storage and data authentication that the terminal is currently accessed After the information for the former SM nodes that the heart is sent, then interacted with the former SM nodes, obtain the terminal SM contexts.The information of above-mentioned former SM nodes can carry the MM nodes that are currently accessed in terminal or In the information change request that storage and data authentication center are sent, it can also carry in other message as notified In the request message of 2nd SM acquisition SM contexts, etc..

The present embodiment additionally provides the session management SM nodes in a kind of wireless communication system, described wireless Mobile management MM nodes and SM nodes in communication system are disposed respectively, as shown in figure 11, described SM nodes include session establishment processing module 70, information updating module 80 and SM context acquisition modules 90, wherein：

The session establishment processing module includes：

Alternatively,

The wireless communication system also includes storage and data authentication center, in the storage and data authentication The heart is used for the user's mark and temporary mark that correspondence preserves terminal；

What the request reception unit was received sets up the temporary mark that session request carries the terminal；

The session establishment processing unit is that the terminal sets up the user plane passage, including：According to institute The temporary mark for stating terminal inquires user's mark of the terminal to the storage and data authentication center, The terminal is designated according to the user and sets up the user plane passage.

Alternatively,

The mark that the terminal provides the MM nodes of mobility service is included as in the temporary mark of the terminal Know；

The session establishment processing unit is inquired after user's mark of the terminal, in addition to：By institute State the preservation corresponding with the mark of the MM nodes in the temporary mark of user's mark.

Alternatively,

Described information update module includes：

Request reception unit, for receiving MM nodes or storage and data authentication that terminal is currently accessed The modification request that center is sent, the user's mark for changing the request carrying terminal and MM nodes Mark；

Information updating unit, for by the mark of the MM nodes corresponding with user mark locally preserved Know the mark for the MM nodes for being updated to be carried in the modification request；

Transmitting element is responded, for the MM nodes or storage and data authentication being currently accessed to the terminal Center returns to modification response.

Alternatively,

The SM contexts acquisition module, for this SM nodes be network side be the terminal again During the SM nodes of selection, in MM nodes or storage and data authentication that the reception terminal is currently accessed The information for the former SM nodes that the heart is sent, the SM contexts of the terminal are obtained from the former SM nodes.

Embodiment five

The present embodiment additionally provides a kind of information storage means, applied to mobile management MM nodes and meeting Words management SM nodes are disposed and the wireless communication system including storage and data authentication center respectively, are such as schemed Shown in 12, methods described includes：

Step 610, storage and data authentication center receive the storage request of MM nodes transmission, described The mark of user's mark, the mark of SM nodes and MM nodes is carried in storage request；

Step 620, user's mark, SM during the storage is asked at the storage and data authentication center The mark of node and the mark correspondence of MM nodes are preserved.

In the present embodiment, the storage and data authentication center can also be carried out more to the above- mentioned information of preservation Newly, specific flow includes：

Storage and data authentication center receive the modification request of MM nodes transmission, in the modification request Carry user's mark and the mark and/or the mark of MM nodes of SM nodes；

The storage and data authentication center are by the mark of the SM nodes corresponding with user mark of preservation Know and/or MM nodes mark, be updated to the mark of SM nodes that is carried in the modification request and/ Or the mark of MM nodes.

In the storage request during temporary mark of carried terminal, the storage and data authentication center are also By the temporary mark of the terminal and the mark of user mark, the mark of SM nodes and MM nodes Correspondence is preserved；Afterwards, the inquiry that user identifies is asked if the storage and data authentication center are received Ask, the temporary mark of the terminal carried according to the inquiry request is found after corresponding user's mark, will User's mark carries the sender that inquiry request is returned in inquiry response.

After the storage and data authentication center are completed to the renewal of MM nodes, it can also notify corresponding SM nodes are also updated.Specific flow includes：

Storage and data authentication center receive the modification request of MM nodes transmission, in the modification request Carry the mark of user's mark, the mark of SM nodes and MM nodes；

What the storage and data authentication the center mark of SM nodes into the modification request were identified SM nodes send modification request, carry user's mark and the mark of MM nodes.

The present embodiment additionally provides storage and data authentication center in a kind of wireless communication system, the nothing Mobile management MM nodes and SM nodes in line communication system are disposed respectively, wherein, the storage And data authentication center includes information storage module, described information memory module includes：

Alternatively,

The storage and data authentication center also include information updating module, and described information update module includes：

Request reception unit is changed, the modification request for receiving the transmission of MM nodes, the modification please Ask middle and carry user's mark and the mark and/or the mark of MM nodes of SM nodes；

Information updating unit, for by the mark of the SM nodes corresponding with user mark of preservation and/ Or the mark of MM nodes, it is updated to the mark and/or MM of the SM nodes changed and carried in request The mark of node.

Alternatively,

User's mark, SM nodes are carried in the modification request that the modification request reception unit is received Mark and MM nodes mark；

Described information update module also includes：Amendment advice unit, for the SM into the modification request The SM nodes that the mark of node is identified send modification request, carry user's mark and MM nodes Mark.

Alternatively,

The temporary mark of carried terminal is gone back in the storage request that the storage request reception unit is received；

Described information storage unit is also by the temporary mark of the terminal and user mark, SM nodes Mark and MM nodes mark correspondence preserve；

The storage and data authentication center also include：Query processing module, is identified for receiving to user Inquiry request, the temporary mark of the terminal carried according to the inquiry request finds corresponding user and marks After knowledge, the user is identified to the sender for carrying and inquiry request being returned in inquiry response.

By the typical case in several applications, the present invention will be described again below, in these examples, RAN in Fig. 2 is represented with base station.

Example one

This example is related to the attachment flow under new framework, as shown in figure 13, and the flow includes.

Step 501, RRC (Radio Resource Control) connections are set up between terminal and base station.Pass through The process, sets up a signaling connection eated dishes without rice or wine, the letter between follow-up UE and base station between UE and base station Breath interaction all passes through the connection；

Step 502, terminal is connected by RRC, initiates attach request to mobile management node, this disappears User's permanent identification IMSI is carried in breath.Base station is in the message plus the current cell information being resident of user Afterwards, mobile management node is issued.It is sent in UE in RAN RRC information, UE needs to indicate This message is MM message or SM message；

Step 503, mobile management node initiates authentication request to terminal.

Step 504, terminal is authenticated to network first, after success, and terminal calculates Authentication Response letter Breath, and it is sent to mobile management node, the Authentication Response letter that mobile management node receiving terminal is returned Breath, checks whether terminal is legal.After authenticating successfully, mobile management node initiates safe mould to base station Formula order, information of eating dishes without rice or wine is encrypted and integrity protection between base station and UE, UE and mobility pipe NAS signaling between reason node also carries out integrity protection.

Step 505, mobile management node by storage and data authentication center from HSS (home Subscriber server, home subscriber server) obtain signing information and carry out signing inspection, it is main to check User whether is allowed to be accessed in current location.Mobile management node is preselected always according to the signing information of user A session management node is selected, and the session management nodal information of selection is stored in storage and data authentication Center.

Step 506, mobile management node distributes registered location information according to user's current cell information, And temporary mark is distributed, attachment response, the registered location list with distribution are returned to terminal by base station And temporary mark, wherein temporary mark include mobile management nodal information+session management nodal information+ Unique marks of the UE of mobile management node distribution in mobile management node.

Step 507, terminal preserves registered location list and temporary mark, and is returned to mobile management node Return attachment completion message.Subsequent terminal will use temporary mark access network, it is to avoid use permanent identification IMSI, so as to improve security.When region of the terminal in registered location list is moved, without Network is notified, when terminal removes the region in registered location list, it is necessary to launch position renewal process, Network latest position information is notified, network redistributes registration position according to latest position information in this process Put list and temporary mark.When terminal is moved in the region in registered location list, in addition it is also necessary to week The launch position update notification network of phase property, in order to which network detection terminal is unreachable.

Example two

This example gives the flow that the session connection based on Fig. 2 network architectures is set up, as shown in figure 14. In this example, RAN is also represented with base station.

Step 601, RRC connections are set up between terminal and base station, by the process, UE and base station it Between set up a signaling connection eated dishes without rice or wine, the information exchange between follow-up UE and base station all passes through the connection.

Step 602, terminal is connected by RRC, initiates to set up session request to session management node, UE, which is sent in RAN RRC information, to be needed to indicate RAN, and this NAS message is SM message, and Carry user temporary mark, RAN by SM message indicate and temporary mark in SM information, will Conversation request message is set up to send to suitable SM nodes；The request is set up in the NAS message of session With user's temporary mark and the information related to session such as APN (Access Point Name, access Point name) and conversation type (indicating IPv4, IPv6 or IPv4v6 or non-IP).

Step 603, session management node is obtained after NAS message progress completeness check and decryption The information such as the APN of terminal request.If terminal does not ask APN, the default APN in signing is used. Session management node selects suitable user plane gateway (such as SGW according to APN and/or user current location With PGW user plane functions), carrying mark is distributed, and session is set up to user plane gateway transmission and is asked Seek message；IMSI, the APN of user is carried in message, the information such as mark are carried.

Step 604, user plane gateway is returned to session management node and set up in conversational response message, message Carry user plane gateway uplink user face address and Tunnel Identifier.

Step 605, session management node initiates user's initial context to base station and sets up request, wherein band There are user's mark, Tunnel Identifier, the QoS of default bearer of user plane gateway distribution, IP address etc. Information.

The corresponding wireless context of user is found in step 606, base station by user's mark, then passes through RRC Information exchange is carried out with UE, for carrying distribution interface-free resources, radio channel of eating dishes without rice or wine is set up.Base station is distributed The Tunnel Identifier in downlink user face, and return to initial context foundation response, message to session management node In with base station distribute downlink user face Tunnel Identifier.

Step 607, session management node is sent in modification conversation request message, message to user plane gateway Carry the downlink user face Tunnel Identifier of base station distribution.

Step 608, user plane gateway returns to modification conversational response message to session management node.

Step 609, session management node sends to set up in conversational response message, message to UE carries APN, Carrying mark etc., can also carry the IP address of network side distribution in conversational response message.

Example three

This example is given during user position update, mobile management node according to positional information again The flow of session management node is selected, as shown in figure 15.

Step 701, RRC connections are set up between terminal and base station.By the process, UE and base station it Between set up a signaling connection eated dishes without rice or wine, the information exchange between follow-up UE and base station all passes through the connection.

Step 702, terminal is connected by RRC, to mobile management node launch position renewal process, User's temporary mark is carried in the message.Need to indicate RAN in the RRC information that UE is sent to RAN, This NAS message is MM message, and carries the temporary mark of user, and RAN is referred to by MM message Show and temporary mark in mobile management nodes information, MM message is sent to corresponding mobile management section Point.

Step 703, mobile management nodes may reselect a SM section according to UE positional information Point, has such as reselected a SM node, then to storage and data authentication center send modification session with Mobile management mapping request message (the modification request of SM nodal informations i.e. in embodiment), carries user IMSI, MM node identification and SM node identifications；

Step 704, storage and data authentication center update MM node identifications and associated with SM node identifications Relation, modification session and mobile management mapping response message are returned to mobile management nodes；

Step 705, storage and data authentication center send modification session and mobile management to purpose SM nodes User's IMSI, MM node identification is carried in mapping request message, message；UE is also carried in this message Originally the SM nodal informations used；

Step 706, purpose SM nodes return to modification session and mobile management to storage and data authentication center Map response message；

Step 707, purpose SM nodes are carried in message to former SM nodes acquisition request SM contexts The IMSI of user；

Step 708, former SM nodes are returned in SM context response informations, message to purpose SM nodes Carry all SM contexts of user, including IP session contexts and non-IP session contexts；

Step 709, mobile management node distributes new registered location according to user's current cell information and believed Breath, and new temporary mark is distributed, received message is updated to terminal home position by base station, band is New registered location list and new temporary mark are stated, wherein new temporary mark includes mobile management Nodal information+session management nodal information+mobile management node distribution is used in mobile management node In mark UE temporary mark.

Step 710, terminal preserves registered location list and temporary mark, and is returned to mobile management node Return location updating completion message.

MM nodes directly can also send modification session and mobile management mapping request message to SM nodes, MM nodes and SM node incidence relations for updating UE.Now storage and data authentication center not Need to send modification request to SM.

Example four

This example is related to during user position update, and mobile management node changes and announcement session The flow of management node, as shown in figure 16.

Step 801, RRC connections are set up between terminal and base station.By the process, UE and base station it Between set up a signaling connection eated dishes without rice or wine, the information exchange between follow-up UE and base station all passes through the connection.

Step 802, terminal is connected by RRC, to mobile management node launch position renewal process, User's temporary mark is carried in the message.Need to indicate extremely in the RRC information that UE is sent to RAN RAN, this NAS message is MM message, and carries the temporary mark of user, and RAN passes through MM Message indicate and temporary mark in mobile management nodes information can find suitable MM nodes (due to RAN cannot connect to indicated MM nodes, so RAN need to select a MM section for UE again Point), MM message is sent to suitable mobile management nodes.

Step 803, the mark of SM node of the mobile management nodes in temporary mark, is such as determined original SM nodes still can be used, then change session and mobile management mapping request message to data storage center User's IMSI, MM node is carried in (the modification request of MM nodal informations in embodiment), this message Mark and SM node identifications；

If SM nodes are unavailable, handle accordingly referring to example three.

Step 804, storage and data authentication center return to modification session and moving tube to mobile management nodes Reason mapping response message；

Step 805, storage and data authentication center update MM node identifications and associated with SM node identifications After relation, storage and data authentication center send modification session and mobile management mapping request to SM nodes User's IMSI, MM node identification is carried in message, message；

Step 806, after the corresponding MM node identifications of SM nodes modification user IMSI, to storage and number Modification session and mobile management mapping response message are returned according to authentication center；

Step 807, mobile management node distributes new registered location according to user's current cell information and believed Breath, and distribute new temporary mark, received message is updated by base station to terminal home position, with point The new registered location list matched somebody with somebody and new temporary mark, wherein new temporary mark includes mobility pipe Manage nodal information+session management nodal information+mobile management node distribution in mobile management node Temporary mark for identifying UE.

Step 808, terminal preserves registered location list and temporary mark, and is returned to mobile management node Return location updating completion message.

MM nodes directly can also send modification session and mobile management mapping request message to SM nodes, MM nodes and SM node incidence relations for updating UE.

The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.Pass through the above Embodiment description, those skilled in the art can be understood that above-described embodiment method can Realized by the mode of software plus required general hardware platform, naturally it is also possible to by hardware, but very The former is more preferably embodiment in the case of many.Understood based on such, the technical side of the embodiment of the present invention The part that case substantially contributes to prior art in other words can be embodied in the form of software product Come, the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD) In, including some instructions to cause a station terminal equipment (can be mobile phone, computer, server, Or the network equipment etc.) perform method described in each embodiment of the invention.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for this For the technical staff in field, the present invention can have various modifications and variations.It is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included in the protection of the present invention Within the scope of.

Claims

1. a kind of message method, is saved applied to mobile management MM nodes and session management SM The wireless communication system that point is disposed respectively, methods described includes：

2. the method as described in claim 1, it is characterised in that：

The NAS is Attach Request message, and the RRC information, which is carried, indicates that NAS is MM message Information；Or

The NAS is location update request message, and the RRC information, which is carried, indicates that NAS disappears for MM The information of breath；Or

The NAS is sets up conversation request message, and the RRC information, which is carried, indicates that NAS disappears for SM The information of breath.

3. method as claimed in claim 1 or 2, it is characterised in that：

The RRC information that the terminal is sent after adhering to successfully also carries the temporary mark of the terminal, institute Mark, the mark of SM node and the terminal of the temporary mark comprising MM nodes are stated in MM nodes Unique mark.

4. a kind of message recognition methods, is saved applied to mobile management MM nodes and session management SM The wireless communication system that point is disposed respectively, methods described includes：

5. method as claimed in claim 4, it is characterised in that：

The temporary mark of the terminal is also carried in the RRC information, the temporary mark includes MM Unique mark of the mark, the mark of SM nodes and the terminal of node in MM nodes；

The NAS is sent to MM nodes by the wireless access network, including：According to the interim mark Know the mark of the MM nodes included, the NAS is sent to the MM nodes；

The NAS is sent to SM nodes by the wireless access network, including：According to the temporary mark Comprising SM nodes mark, the NAS is sent to the SM nodes.

6. the method as described in claim 4 or 5, it is characterised in that：

The mark for the MM nodes that the terminal is currently accessed also is carried in the RRC information；

The NAS is sent to MM nodes by the wireless access network, including：The wireless access network The mark for the MM nodes being currently accessed according to the terminal, determined to need the terminal for as described in reselect One MM node, then reselect a MM node for the terminal and be sent to the NAS The MM nodes reselected.

7. a kind of motion management method, applied to mobile management MM nodes and session management SM The wireless communication system that node is disposed respectively, methods described includes following attachment flow：

8. method as claimed in claim 7, it is characterised in that：

The first MM nodes are the preselected SM node of the terminal, including：

The first MM nodes identify the signing information for obtaining user according to the user, according to the label The customer position information that about information and/or the attach request are carried is the preselected SM sections of the terminal Point.

9. method as claimed in claim 7, it is characterised in that：

The attachment response also carries the mark of the SM nodes, and the mark of the SM nodes is included in In the temporary mark, or it is used as information unit independent in the attachment response.

10. method as claimed in claim 7, it is characterised in that：

After the first MM nodes are according to the preselected SM node of the signing information, in addition to： Storage request is sent to storage and data authentication center, by user mark, the preselected SM The mark of node and the mark of MM nodes correspondence are stored in storage and data authentication center.

11. method as claimed in claim 7, it is characterised in that：

The temporary mark of the terminal includes the identifying of the MM nodes, the preselected SM nodes Unique mark in MM nodes of mark and the terminal.

12. the method as described in any in claim 7-11, it is characterised in that：

Methods described also includes following position update flow：

2nd MM nodes receive the position updating request that the terminal is sent, the position updating request Carry the current positional information of the terminal；

The 2nd MM nodes, according to the current positional information of the terminal, are that the terminal distribution is new Registered location information；

The 2nd MM nodes update to the terminal home position to be responded, in the location updating response Carry the new registered location information；

Wherein, the 2nd MM nodes and the first MM nodes are identical or different.

13. method as claimed in claim 12, it is characterised in that：

The 2nd MM nodes are received after the position updating request that the terminal is sent, always according to institute The current positional information of terminal is stated, reselect a SM node for the terminal provides for the terminal Session management is serviced.

14. method as claimed in claim 13, it is characterised in that：

The 2nd MM nodes are that the terminal is reselected after a SM node, are also the terminal One new temporary mark of distribution simultaneously returns the new temporary mark carrying in location updating response Back to the terminal, the new temporary mark includes the mark of the SM nodes reselected.

15. method as claimed in claim 13, it is characterised in that：

The 2nd MM nodes are that the terminal is reselected after a SM node, in addition to：To institute State storage and data authentication center sends the modification request of SM nodal informations, will be in the storage and data It is described that the mark that the user that authentication center preserves identifies corresponding SM nodes is updated to reselect The mark of SM nodes.

16. method as claimed in claim 13, it is characterised in that：

The 2nd MM nodes are that the terminal is reselected after a SM node, in addition to：By institute User's mark, the mark of the mark of the 2nd MM nodes and original SM nodes is stated to be sent to and select again The SM nodes selected.

17. method as claimed in claim 12, it is characterised in that：

The 2nd MM nodes are that wireless access network is the MM nodes that the terminal is reselected；

The 2nd MM nodes are received after the position updating request that the terminal is sent, in addition to：To The storage and data authentication center send the modification request of MM nodal informations, will be in the storage and number The mark that the user preserved according to authentication center identifies corresponding MM nodes is updated to the 2nd MM The mark of node.

18. method as claimed in claim 12, it is characterised in that：

The 2nd MM nodes are received after the position updating request that the terminal is sent, in addition to：For Described one new temporary mark of terminal distribution simultaneously carries the new temporary mark in the location updating The terminal is returned in response, the new temporary mark includes the mark of the 2nd MM nodes.

19. method as claimed in claim 12, it is characterised in that：

The 2nd MM nodes are received after the position updating request that the terminal is sent, in addition to：To The modification that the SM nodes for currently providing session management service for the terminal send MM nodal informations please Ask, carry user's mark and the mark of the 2nd MM nodes.

20. method as claimed in claim 19, it is characterised in that：

The SM nodes for currently providing session management service for the terminal are the 2nd MM nodes The SM nodes reselected for the terminal；Or

The SM nodes for currently providing session management service for the terminal are the 2nd MM nodes The SM nodes determined according to the mark of the SM nodes carried in the position updating request；Or

The SM nodes for currently providing session management service for the terminal are the 2nd MM nodes Obtained according to the mark of the MM nodes carried in the position updating request to corresponding MM querying nodes SM nodes；Or

The SM nodes for currently providing session management service for the terminal are the 2nd MM nodes According to the temporary mark of the mark of the MM nodes carried in the position updating request or the terminal, to The SM nodes that storage and the inquiry of data authentication center are obtained.

21. a kind of conversation managing method, is saved applied to mobile management MM nodes and session management SM The wireless communication system that point is disposed respectively, methods described includes：

The first SM nodes return to the terminal and set up conversational response.

22. method as claimed in claim 21, it is characterised in that：

It is described to set up in session request the temporary mark for carrying the terminal；

The first SM nodes are that the terminal sets up the user plane passage, including：First SM Node inquires the terminal according to the temporary mark of the terminal to the storage and data authentication center User identifies, and is designated the terminal according to the user and sets up the user plane passage.

23. method as claimed in claim 22, it is characterised in that：

After the first SM querying nodes are identified to the user of the terminal, in addition to：Used described Family mark is corresponding with the mark of the MM nodes in the temporary mark to be preserved.

24. method as claimed in claim 23, it is characterised in that：

Methods described also includes：

2nd SM nodes receive the MM nodes or storage and data authentication center hair that terminal is currently accessed The modification request sent, the modification request carries user's mark of the terminal and the mark of MM nodes；

The 2nd SM nodes are by the mark of the MM nodes corresponding with user mark locally preserved It is updated to the mark of MM nodes carried in the modification request；

In MM nodes or storage and data authentication that the 2nd SM nodes are currently accessed to the terminal The heart returns to modification response；

Wherein, the 2nd SM nodes and the first SM nodes are identical or different.

25. the method as described in claim 21 or 22 or 24, it is characterised in that：

Methods described also includes：

2nd SM nodes are received in the MM nodes or storage and data authentication that the terminal is currently accessed The information for the former SM nodes that the heart is sent, the 2nd SM nodes are that network side is selected again for the terminal The SM nodes selected, the former SM refers to the SM nodes for providing conversational services for the terminal originally；

The 2nd SM nodes are interacted with the former SM nodes, obtain the SM contexts of the terminal.

26. a kind of information storage means, are saved applied to mobile management MM nodes and session management SM Point is disposed and the wireless communication system including storage and data authentication center respectively, and methods described includes：

27. method as claimed in claim 26, it is characterised in that：

The storage and data authentication center receive the modification request of MM nodes transmission, and the modification please Ask middle and carry user's mark and the mark and/or the mark of MM nodes of SM nodes；

28. method as claimed in claim 27, it is characterised in that：

The mark of user's mark, the mark of SM nodes and MM nodes is carried in the modification request；

The storage and data authentication center are received after the modification request, in addition to：Repaiied to described Change the SM nodes transmission modification request that the mark of SM nodes in request is identified, carry user's mark Knowledge and the mark of MM nodes.

29. the method as described in claim 26 or 27 or 28, it is characterised in that：

The temporary mark of carried terminal is gone back in the storage request；

The storage and data authentication center are also by the temporary mark of the terminal and user mark, SM The mark of node and the mark correspondence of MM nodes are preserved；

Methods described also includes：The storage and data authentication center receive the inquiry identified to user please Ask, the temporary mark of the terminal carried according to the inquiry request is found after corresponding user's mark, will User's mark carries the sender that inquiry request is returned in inquiry response.

30. the mobile management in the terminal in a kind of wireless communication system, the wireless communication system MM nodes and session management SM nodes are disposed respectively, it is characterised in that the terminal includes：

31. terminal as claimed in claim 30, it is characterised in that：

32. the mobility in the wireless access network in a kind of wireless communication system, the wireless communication system Management MM nodes and session management SM nodes are disposed respectively, it is characterised in that the wireless access network Including：

33. wireless access network as claimed in claim 32, it is characterised in that：

34. the wireless access network as described in claim 32 or 33, it is characterised in that：

35. in the mobile management MM nodes in a kind of wireless communication system, the wireless communication system MM nodes and session management SM nodes dispose respectively, it is characterised in that the MM nodes include Terminal adheres to processing module, and the terminal attachment processing module includes：

36. MM nodes as claimed in claim 35, it is characterised in that：

37. MM nodes as claimed in claim 35, it is characterised in that：

38. MM nodes as claimed in claim 35, it is characterised in that：

39. MM nodes as claimed in claim 35, it is characterised in that：

40. the MM nodes as described in any in claim 35-39, it is characterised in that：

41. MM nodes as claimed in claim 40, it is characterised in that：

42. MM nodes as claimed in claim 41, it is characterised in that：

43. MM nodes as claimed in claim 40, it is characterised in that：

44. in the session management SM nodes in a kind of wireless communication system, the wireless communication system Mobile management MM nodes and SM nodes are disposed respectively, it is characterised in that the SM nodes include Session establishment processing module, the session establishment processing module includes：

45. SM nodes as claimed in claim 44, it is characterised in that：

46. SM nodes as claimed in claim 45, it is characterised in that：

47. SM nodes as claimed in claim 46, it is characterised in that：

The SM nodes also include information updating module, and described information update module includes：

48. the SM nodes as described in claim 45,46 or 47, it is characterised in that：

The SM nodes also include：

SM context acquisition modules, for being that the network side terminal is reselected in this SM nodes During SM nodes, MM nodes or storage and the transmission of data authentication center that the terminal is currently accessed are received Former SM nodes information, the SM contexts of the terminal are obtained from the former SM nodes.

49. in storage and data authentication center in a kind of wireless communication system, the wireless communication system Mobile management MM nodes and SM nodes dispose respectively, it is characterised in that the storage and data Authentication center includes information storage module, and described information memory module includes：

50. storage as claimed in claim 49 and data authentication center, it is characterised in that：

51. storage as claimed in claim 50 and data authentication center, it is characterised in that：

52. storage and data authentication center as described in claim 49,50 or 51, it is characterised in that：