CN103621158B

CN103621158B - Method for network access, network equipment access point apparatus and mobility management entity device

Info

Publication number: CN103621158B
Application number: CN201280000780.9A
Authority: CN
Inventors: 李欢; 周青
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2017-11-24
Anticipated expiration: 2032-06-26
Also published as: WO2014000156A1; CN103621158A

Abstract

The present invention is applied to communication technical field, there is provided method for network access, network equipment access point apparatus, MME devices, including：User equipment access point UAP obtains user's mark of user equipment (UE)；Request is established in the first PDN connections sent to MME for establishing PDN connections for UE, and the first PDN connections are established user's mark comprising the UE and the UAP user in request and identified；The first PDN connection establishment responses that the MME is sent are received, establish the PDN connection contexts of the UE.So that UE can be linked into PDN networks by the IP address of distribution, mobile operator can be to the independent chargings of each UE or progress Lawful Interception, UE can obtain resource and its own qos policy of the mobile network for its distribution by the IP address of distribution, improve UE security and service quality.

Description

Method for network access, network equipment access point apparatus and mobility management entity Device

Technical field

The invention belongs to communication technical field, more particularly to method for network access, network equipment access point apparatus, mobility Management entity device.

Background technology

In the prior art, in order to improve the stability of mobile network and robustness, some terminal devices can not only be used for using Family equipment（User Equipment, UE）, can also be as the WiFi of wireless network for mobile communication（Wireless Fidelity, also known as 802.11b, Wireless Fidelity）Access point, these terminal devices are referred to as UE access points（UE Access Point,UAP）, and UE then can by these UAP access to mobile network, for example, have simultaneously mobile network's access capability and For the UE of WiFi access capabilities before UAP hot spot coverages are entered, UE can pass through mobile network（For example, 3GPP networks or Non-3 GPP network）Establish Packet Data Network（Packet Data Network, PDN）Connection, and mobile network's offer is provided Service.When UE enters UAP hot spot coverages, if mobile network base station signal weakens, UE then can access mobile network by UAP Network, continue to access network.

In specific communication process, after UE is by UAP access to mobile network, the packet of UE transmitting-receivings uses when passing through UAP UAP grouped data connection interacts with external network, such as PDN.In this case, mobile network is perceived less than UE's In the presence of.Therefore, it is impossible to independent resource is distributed for UE, it is difficult to ensure service quality（Quality of Service,QoS）.

The content of the invention

The embodiment of the present invention provides method for network access, network equipment access point apparatus, mobility management entity device, with Just better ensure that UE carries out the service quality of network insertion by UAP.

On the one hand, the embodiments of the invention provide a kind of method for network access, this method to include：

User equipment access point UAP obtains user's mark of user equipment (UE)；

The first PDN connections for establishing the connection of grouped data network PDN for the UE are sent to mobility management entity MME Request is established, the first PDN connections are established user's mark comprising the UE and the UAP user in request and identified；

The first PDN connection establishment responses that the MME is sent are received, establish the PDN connection contexts of the UE.

On the other hand, the embodiment of the present invention additionally provides a kind of user equipment access point apparatus, including：

User's mark acquiring unit, the user for obtaining user equipment (UE) identify；

Messaging unit is established in first connection, for being sent to mobility management entity MME for being established for the UE Request is established in first PDN connections of PDN connections, the first PDN connections establish in request user's mark comprising the UE with User's mark of the UAP, receives the first PDN connection establishment responses that the MME is sent；And

Connection establishment unit, for establishing the PDN connection contexts of the UE.

On the other hand, the embodiment of the present invention additionally provides a kind of method for network access, and methods described includes：

Receive the first PDN that the connection of grouped data network PDN is established for user equipment (UE) that user equipment access point UAP is sent Request is established in connection, and the first PDN connections are established user's mark comprising the UE and the UAP user in request and marked Know；

Sent to packet data network PDN Gateway and create session request, the use for creating session request and including the UE Family identifies；

Receive the establishment session request response that the PDN Gateway is sent；

The PDN connection contexts of the PDN connections of the UE are established, the first PDN connection establishment responses are sent to the UAP.

On the other hand, the embodiment of the present invention additionally provides a kind of mobility management entity device, including：

Messaging unit is established in first connection, is used to setting for user for receiving user equipment access point UAP transmissions Request is established in the first PDN connections that standby UE establishes the connection of grouped data network PDN, and the first PDN connections are established in request and included User's mark of the UE and the user of the UAP identify；

Conversation message Transmit-Receive Unit is created, session request is created for being sent to PDN Gateway, the establishment session request bag User's mark of the UE is included, receives the establishment session request response that the PDN Gateway is sent；And

Second connection establishment unit, for establishing the PDN connection contexts of the UE；

Messaging unit is established in first connection, is additionally operable to send the connection of the first PDN networks to the UAP and establish to ring Should.

By method and apparatus provided in an embodiment of the present invention, after UE establishes WiFi connections by WiFi attachments, UAP is obtained UE user is taken to identify, sending PDN connections to MME establishes request, and PDN connections are individually established for UE.Therefore, mobile network can Independent resource, including IP address, qos policy and charging regulation are distributed for UE, can better ensure that UE passes through UAP access networks Service quality after network.Meanwhile mobile network can be better achieved UE is managed independently.

Brief description of the drawings

Fig. 1 is the implementation process figure of method for network access provided in an embodiment of the present invention；

Fig. 2 is the implementation process figure of method for network access provided in an embodiment of the present invention；

Fig. 3 is the implementation process figure of method for network access provided in an embodiment of the present invention；

Fig. 4 is the implementation process figure of method for network access provided in an embodiment of the present invention；

Fig. 5 is the interaction diagrams of method for network access provided in an embodiment of the present invention；

Fig. 6 is the interaction diagrams of method for network access provided in an embodiment of the present invention；

Fig. 7 is the interaction diagrams of method for network access provided in an embodiment of the present invention；

Fig. 8 is the interaction diagrams of method for network access provided in an embodiment of the present invention；

Fig. 9 is the structural representation of user equipment access point apparatus provided in an embodiment of the present invention；

Figure 10 is the structural representation of user equipment access point apparatus provided in an embodiment of the present invention；

Figure 11 is the structural representation of user equipment access point apparatus provided in an embodiment of the present invention；

Figure 11 a are user's mark acquiring unit structural representations of the embodiment of the present invention；

Figure 12 is the structural representation of mobility management entity device provided in an embodiment of the present invention；

Figure 13 is the structural representation of mobility management entity device provided in an embodiment of the present invention；

Figure 14 is the structural representation of mobility management entity device provided in an embodiment of the present invention；

Figure 15 is the structural representation of mobility management entity device provided in an embodiment of the present invention.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

The core net of wireless evolution network mainly includes mobility management entity（Mobility Management Entity, MME）, gateway（Serving Gateway, SGW）, PDN Gateway（PDN Gateway, PGW）Three functives. Wherein, MME is responsible for the Non-Access Stratum between UAP/UE（Non-access stratum, NAS）Signaling is encrypted, for UAP/UE points With interim subscriber identity, the core network element such as SGW and PDN Gateway is selected, there is provided roaming, tracking, peace congruous function, such as can be with Corresponding to current Universal Mobile Telecommunications System（Universal Mobile Telecommunications System, UMTS）It is interior Portion's Serving GPRS Support Node（Serving GPRS SUPPORT NODE, SGSN）Control plane part.SGW is local drills Enter type base station（Evolved Node B, eNodeB）Between the mobility anchor point that switches, and provide Lawful Interception correlation function. PDN Gateway is then responsible for station address distribution, the execution of policy control and charging regulation and and Lawful Interception correlation function.Ownership The webserver（Home Subscriber Server, HSS）For storing the subscription data of user.Policy charging rule function （Policy Charging Rule Function, PCRF）Strategy and charging control rule are provided.Embodiments of the invention can be with Applied in the core net of wireless evolution network.

In the method for network access that the present invention implements offer, UE is linked into mobile network by UAP, and PDN is established for UE Connection, it is easy to ensure UE service quality.Mobile network can be 3GPP networks, non-3 GPP network etc..Can be between UE and UAP It is that WLAN connects, for example, WiFi connections, WAPI（Wireless LAN Authentication and Privacy Infrastructure, WLAN authentication and privacy infrastructure）Connection etc..

Fig. 1 shows the implementation process of method for network access provided in an embodiment of the present invention, and details are as follows：

In step S101, UAP obtains UE user's mark.

The user that UAP can obtain UE by the WLAN connection between UE identifies.In addition to user identifies, UAP can also obtain UE APN（Access Point Name, APN）, APN may be used to indicate request establish PDN The access point of connection, MME then find data gateway corresponding with the APN according to APN.

UE user's mark can be international mobile subscriber identity（International Mobile Subscriber Identification, IMSI）, mobile station International Integrated Services digital network（Integrated Services Digital Network, ISDN）Number（Mobile Station international ISDN Number, MSISDN）, international moving machine Device identifies（International Mobile Equipment Identity, IMEI）, or medium education（Media Access Control, MAC）Address etc..

The user that UAP can establish acquisition request UE by receiving the PDN connections of UE transmissions identifies, such as：UAP receives UE Request is established by the 2nd PDN connections of WiFi linkup transmits, the use for including the UE in request is established in the 2nd PDN connections Family identifies, or user's mark of the UE and the APN of the UE.

Or UAP can receive UE and establish request by the 3rd PDN connections of WiFi linkup transmits, the 3rd PDN connects The first mark comprising UE in foundation request, or UE the first mark and APN are connect, then UAP is identified as according to the first of the UE UE distributing users identify.

Alternatively, it is also possible to pass through extensible authentication protocol（Extensible Authentication Protocol, EAP） Request obtain UE user's mark, such as：UAP sends EAP Request to UE, receives the EAP responses that UE is sent, the EAP Response includes UE user's mark, or UE user's mark and APN.Or UAP can send EAP Request to the UE, connect The EAP responses that UE is sent are received, the EAP responses include UE the first mark, or UE the first mark and the APN, are UE Distributing user identifies.

In addition it is also possible to the user for by dynamic host configuration protocol DHCP request obtain UE identifies, such as：UAP Receive the DHCP that UE is sended over（Dynamic Host Configuration Protocol, DHCP）Please Ask, the DHCP request includes UE user's mark, or UE user's mark and UE APN；Or UAP receives UE and sent The DHCP request to come over, the DHCP request include UE the first mark, or UE the first mark and APN, used for UE distribution Family identifies.

In the embodiment of the present invention first mark can be UE MAC Address, the IP address used in a wireless local area network Deng mark.UAP can identify the UE in a mobile network without using first mark, but be identified as UE distribution according to first and use Identified in the user of mobile network.For example, when UE register and do not registered in a mobile network in UAP, the first mark Can be UE MAC Address, UAP can be that the UE distributes an IMSI number, and the behaviour such as PDN connections is established for UE for performing Make.

In step s 102, UAP establishes request, institute to MME the first PDN connections sent for establishing PDN connections for UE State user's mark comprising UE and UAP user's mark in the first PDN connections foundation request.In the prior art, UAP makees in itself For a user equipment, attachment, attachment removal can be performed, establish the existing procedures such as PDN connections.When the PDN for establishing UAP oneself connects When connecing, UAP establishes in request user's mark that the user included is identified as UAP oneself to the PDN connections that MME is sent.With it is existing Unlike technology, request is established in the first PDN connections sent in a step 102, contains UE user's mark and UAP use Family identifies, for establishing UE PDN connections.Herein, it is one that UAP user's mark, which is used for notifying that request is established in the MME connections, The message that successful user equipment is sent is adhered to, UE user is identified for notifying MME to establish PDN connections for the UE.

In step s 103, UAP receives the first PDN connection establishment responses that MME is sent, and establishes UE PDN connections up and down Text.UAP establishes UE PDN connection contexts, that is, UAP is that UE establishes PDN connections.PDN connections context is used for table PDN connections corresponding to sign.The PDN is connected to UE and accesses PDN by UAP.

After the PDN connections for establishing UE, mobile network can utilize the PDN connection contexts of the UE, independent for UE distribution Resource, such as IP address, qos policy and charging regulation etc., the PDN that the qos requirement for meeting the UE is provided to UE accesses service, It is easy to ensure UE service quality.Meanwhile UE is managed according to the PDN connection contexts established for UE, so as to also ensure Mobile Network Operator is managed independently to UE.

After the PDN connections for establishing UE over the mobile network by UAP, the PDN connections can be discharged when needing, For example, when UE leaves UAP hotspot range, UE sends connection release request to UAP or attachment removal is asked, so as to trigger UAP PDN connection release requests are sent to MME, or UAP actively sends PDN connection release requests to MME.UE PDN connections are discharged, It can be realized by following step：

（a）UAP sends the first PDN connection release requests to MME, includes UE's in the first PDN connection release requests User identifies and UAP user identifies.First PDN connection release requests are used for the PDN connections for discharging UE.UAP user's mark Knowledge is for notifying that the MME requests are the requests that UAP is sent.

（b）UAP receives the first PDN connection release responses that MME is sent, and deletes UE PDN connection contexts.

In this embodiment it is possible to independently the PDN connections to UE are managed.For example, multiple UE are established by UAP During PDN connections, when one of UE PDN connections need release, the connection of the UE can be individually discharged, without influencing whether it He is UE, realizes more flexible management.

On the basis of step S101 to step S103 is performed, when UAP will discharge the PDN connections of the UE, UAP can be with Attachment removal request is sent to MME.For example, when UAP needs attachment removal as a user equipment in itself, it is also necessary to which release is The UE of connection PDN connections.It can be achieved by the steps of：

（c）UAP sends attachment removal request to MME, and the user of user mark and UAP of the attachment removal request bag containing UE marks Know, or, user's mark comprising UAP.The attachment removal sent by UAP is asked, and can be used for being released through the UE's that UAP is established PDN connections.When user's mark comprising UE in attachment removal request and UAP user's mark, MME can mark according to UE user Know the PDN connections for the UE for being released through UAP foundation.When user of the attachment removal request bag containing UAP identifies, MME can basis UAP user's mark, is released through the UE of UAP foundation PDN connections.

（d）UAP receives the attachment removal received message that MME is sent.

（e）UAP deletes UE PDN connection contexts.

On the basis of step S101 to step S103 is performed, after UE establishes PDN connections by UAP, if UAP positions are sent out It is raw to change, UE position can also be updated by position update flow.Location updating can be real by following steps It is existing：

（f）UAP sends the position updating request of the position for updating UE to MME, and the position updating request includes UAP user's mark, or the mark of the user comprising UE and UAP user identify.When UAP position needs renewal, UE's Position is also required to correspondingly update, and for updating the position updating request of UAP positions, while can also be the position for updating UE The position updating request put.

（g）UAP receives the location updating response that MME is sent.

In the embodiments described above, on the basis of step S101 to step S103, UE is by UAP in mobile network On establish PDN connections after, UAP further can send PDN Connection Releases or attachment removal to MME and ask, with discharge UAP and MME is the resource of UE distribution.When UE or UAP location updating, position updating request is sent to MME by UAP, in time more New UE or UAP position.

It will be appreciated by persons skilled in the art that after UE PDN connections are established, in release UE PDN connections Before, it may be necessary to which UE position is updated, it is also possible to UE position need not be updated.

Fig. 2 shows the flow of method for network access provided in an embodiment of the present invention, and it is what UE was sent that MME, which receives UAP, After request is established in PDN connections, PDN connection contexts are established for UE.The UAP corresponding with MME implementation process implementation process It may be referred to Fig. 1 flow.

In step s 201, the first PDN connections for establishing PDN connections for UE that MME receptions UAP is sent, which are established, asks Ask, the first PDN connections are established user's mark comprising UE and UAP user in request and identified.

In step S202, MME sends to PDN Gateway and creates session request, and the establishment session request includes UE user Mark.

User's mark that MME can be established in request according to the first PDN connections obtains UE subscription data from HSS, according to APN selection PDN Gateway in subscription data.Or when including the APN of the UE in the first PDN connection requests, then MME can To select PDN Gateway according to the APN.Send and create session request via SGW to PDN Gateway, creating session request includes UE's User identifies, and can also include UE APN.

After PDN Gateway receives establishment session request, IP connected reference networks are initiated（IP-Connectivity Access Network, IP-CAN）Session establishment, IP-CAN sessions are established with PCRF, obtain UE PDN connections corresponding strategy and meter Take control（Policy Charging Control, PCC）Rule, and UE PDN connection contexts are created, send and create session Request response is via SGW to MME.It can include distributing to UE IP address, QoS information etc. in establishment session request response.

In step S203, MME receives the establishment session request response that PDN Gateway is sent.

In step S204, MME establishes UE PDN connection contexts, and the first PDN connection establishment responses are sent to UAP.

After PDN connection contexts are established for UE, mobile network can be that UE distributes independent resource, example by UAP Such as IP address, qos policy and charging regulation, provided to UE and meet that the PDN of its qos requirement accesses service, be easy to ensure UE's Service quality.Meanwhile UE is managed according to the PDN connection contexts established for UE, easily realize Mobile Network Operator UE is managed independently.

Fig. 3 shows the flow for the method for network access that MME provided in an embodiment of the present invention is realized, details are as follows.With MME The corresponding UAP of implementation process implementation process may be referred to Fig. 1 flow.

In step S301, MME receives the first PDN connections foundation for being used to establish PDN connections for UE that UAP is sent please Ask, the first PDN connections are established user's mark comprising UE and the UAP user in request and identified.

In step s 302, MME sends to PDN Gateway and creates session request, and the establishment session request includes UE user Mark.

In step S303, MME receives the establishment session request response that PDN Gateway is sent.

In step s 304, MME establishes UE PDN connection contexts, and the first PDN connection establishment responses are sent to UAP.

In step S305, MME establishes associating between UAP and UE using UAP user's mark and UE user's mark Relation.

After step 305, step 306 or step 307 can be performed.

In step S306, MME receives the position updating request for the mark of the user comprising UAP that UAP is sent, according to association Relation, location updating is carried out to UE, and location updating response message is sent to UAP.By step 306, in UAP location updatings, The position for the UE being associated is updated in time.In addition, when there is multiple UE to be associated with UAP, can by receive one go it is attached Message, discharges multiple UE PDN connections, saving signaling.

In step S307, MME receives the attachment removal request for the mark of the user comprising UAP that UAP is sent, according to foundation Incidence relation between UAP and UE, UE PDN connections are discharged, attachment removal received message is sent to UAP.By step 307, During UAP attachment removals, discharge and be connected with the UE of UAP associations PDN, avoid the waste of resource.In addition, working as has multiple UE and UAP During association, multiple UE PDN connections, saving signaling can be discharged by receiving an attachment removal message.

It is understood that can receive UAP transmission position updating request UE position is updated after, then PDN connection of the attachment removal request to UE is received to discharge.

According to the incidence relation between the UAP and UE of foundation, discharging UE PDN connections can be accomplished in the following manner：

（1）MME identifies according to the incidence relation between UAP and UE and UAP user, it is determined that needing the UE of attachment removal use Family identifies, and is sent to PDN Gateway and deletes conversation request message, and the user that the deletion conversation request message includes UE identifies.

（2）MME receives the deletion session request response that PDN Gateway is sent.

（3）MME deletes UE PDN connection contexts.

In embodiments of the present invention, MME is when receiving the attachment removal request comprising UAP user's mark of UAP transmissions, root According to the incidence relation between the UAP and UE of foundation, it may be determined that UE PDN connections are also required to discharge, so as to discharge UE PDN Connection.

According to UAP and UE incidence relation, UE location updating can be accomplished in the following manner：

Identified according to the incidence relation between UAP and UE and UAP user, it is determined that needing the UE of location updating, use position Put the location updating message renewal UE for the UAP that renewal request bag contains positional information.

Fig. 4 shows the flow for the method for network access that MME provided in an embodiment of the present invention is realized, details are as follows：

In step S401, MME receives the first PDN connections for being used to establish PDN connections for user equipment (UE) that UAP is sent Request is established, user's mark comprising the UE and user's mark of the UAP in request are established in the first PDN connections.

In step S402, MME sends to PDN Gateway and creates session request, and the establishment session request includes UE user Mark.

In step S403, MME receives the establishment session request response that PDN Gateway is sent.

In step s 404, MME establishes UE PDN connection contexts, and the first PDN connection establishment responses are sent to UAP.

In step S405, MME receive UAP send be used for discharge UE PDN connections attachment removal ask, it is described go it is attached Request includes UAP user's mark and UE user's mark.

In step S406, MME discharges UE PDN connections.

In step S 407, MME sends attachment removal received message to UAP.

In the present embodiment, MME does not establish UAP and UE incidence relation.MME receive comprising UAP user mark and During the attachment removal request of UE user's mark, identified according to UE user, discharge the PDN connections of the UE.MME can also received Attachment removal is carried out in itself to UAP after attach request.

In another embodiment of the present invention, MME is after UE establishes PDN connection contexts, to receive UAP by UAP What is sent is used to discharge the first PDN connection release requests of the PDN connections of the UE, and is included in the first PDN connection release requests When UE user's mark and UAP user identify, MME discharges the first PDN connections of the UE, and sends the first PDN connections to UAP Release response.In this embodiment, the release of the PDN connections to UE is realized by sending PDN connection release requests.

In an alternative embodiment of the invention, MME is after UE establishes PDN connection contexts by UAP, and MME receives UAP hairs The position updating request of the position of the UE that send be used to update, and position after the renewal of the position updating request including UAP, When UAP user's mark and UE user identify, using the position after UAP renewal, location updating is carried out to UE, sent out to UAP Send location updating response message.So, the location updating for the UE that PDN connections are established by UAP is realized.

Fig. 5 shows the flow of method for network access provided in an embodiment of the present invention, and UAP adheres to over the mobile network, and PDN connections are established, and UE is then connected by WiFi network attachment with UAP.Mobile network can be 3GPP networks or non-3 gpp Network, this is introduced exemplified by sentencing 3GPP networks.Details are as follows for each step in Fig. 5：

In step S501, the user that UAP obtains UE by WiFi connections identifies.

UE user's mark can be IMSI, MSISDN, IMEI, MAC Address etc., and APN may be used to indicate what request was established The access point of PDN connections, PDN then find corresponding data gateway according to APN.

In step S502, UAP establishes request to MME the first PDN connections sent for establishing PDN connections for UE, should First PDN connections are established user's mark comprising the UE and the UAP user in request and identified.

Alternatively, the first PDN connection requests can use the NAS encapsulation between UAP and MME to be sent to MME, although making Encapsulated with the NAS between UAP and MME, but be not used to establish PDN connections for UAP oneself, but PDN is established for UE Connection.

In step S503, MME identifies the subscription data that UE is obtained from HSS according to the UE received user.

In step S504, the APN selections PDN in APN or the first PDN connection requests of the MME in subscription data Gateway, send and create session request to SGW（It is not drawn into figure）, PDN Gateway is re-send to, is identified including UE user And/or UE APN.Alternatively, user's mark that can also be including UAP in session request is created.What if PDN Gateway received Creating also includes UAP user's mark in session request, then PDN Gateway can establish UAP user's mark and UE user marks The incidence relation of knowledge, and UE bill is associated with UAP bill in subsequent charging.MME can also be according to the letter of configuration Breath determines PDN Gateway, and now, MME cans are without carrying out step S503.

In step S505, PDN Gateway initiates IP-CAN session establishments, establishes IP-CAN sessions with PCRF, obtains UE's The corresponding PCC rules of PDN connections.

In step S506, PDN Gateway creates UE PDN connection contexts, sends and creates session request response via SGW To MME, wherein, the information such as IP address, QoS for distributing to UE can be included in establishment session request response.

In step s 507, MME sends the first PDN connection establishment responses to UAP, and the first PDN establishes connection response can be with UE IP address is distributed to including PDN Gateway.

In embodiments of the present invention, after UE PDN connections are established, if the PDN connections that MME is received in step S502 Request includes UAP user's mark and UE user identifies, then MME can establish UAP and UE incidence relation.MME is by UAP Get up with UE bindings, that is, associate.Get up for example, the user of UAP user's mark and UE can be identified into binding.UAP's User's mark can be IMSI, MSISDN, IMEI or MAC Address etc., and UE user's mark can be IMSI, MSISDN, IMEI Or MAC Address etc..According to the incidence relation between UAP and UE, the UE that MME can access PDN to UAP and by UAP is carried out The mobile management of merging and session management.

In step S508, after UAP receives the first PDN connection responses, UE PDN connection contexts are established.The PDN connections It is the information such as the IP address that PDN Gateway is UE distribution that can include in context.

In step S509, PDN Gateway can be that the IP address of UE distribution is sent to UE by UAP.UE can use the IP Address receives or sent packet, and UAP is received using the IP address from UE PDN connections or forwarding UE packet.Now, PDN Gateway can be forwarded, parsed, Lawful Interception according to UE qos policy and PCC strategies etc. to UE packet data packages And QoS of survice control, so as to be easy to ensure UE service quality.Or UAP need not be by PDN Gateway for the UE IP distributed Location is sent to UE, and UAP uses network address translation（Network Address Translation, NAT）Mode uses UE's PDN is connected as the packet that UE is received or sent UE.For example, UAP is that UE is assigned with IP address in WiFi network, UE is used The IP address of UAP distribution transmits packets to UAP, and this IP address is converted into the IP address that PDN networks are UE distribution by UAP again, And forward the packet from the PDN connections for UE.Similarly, UAP receives the packet for being sent to UE from PDN connections, wherein should Packet includes in PDN connection responses and for the IP address of UE distribution, UAP this IP address is converted into UAP for the UE IP distributed Location, and forward the packet to UE.

UE user's mark is obtained in step S501 to be obtained in the following manner：

UAP receives UE and establishes request by the 2nd PDN connections of WiFi linkup transmits, and request is established in the 2nd PDN connections In comprising UE user identify, or UE user mark and UE APN；Or

UAP receives UE and establishes request by the 3rd PDN connections of WiFi linkup transmits, and the 3rd PDN connections are established in request The first mark comprising UE, or UE the first mark and UE APN, after receiving the 3rd PDN connections foundation request, are used for UE distribution Family identifies.

After UAP receives the first mark, identified for UE distributing users, user mark can be on the UAP it is local only Globally unique mark between one mark or different UAP.If locally-unique mark, can be marked by UAP Know and UE mark determines the UE globally uniquely jointly.For example, when follow-up MME establishes the context of PDN connections of the UE, Identified using UAP and UE mark determines the UE globally uniquely jointly.

Fig. 6 shows the flow of method for network access provided in an embodiment of the present invention, and UAP adheres to over the mobile network, and PDN connections are established, and UE is then connected by WiFi network attachment with UAP.Mobile network can be 3GPP networks or non-3 gpp Network, this is introduced exemplified by sentencing 3GPP networks.UE authentication information can pass through the side of interaction EAP message in the flow Formula obtains.

In step s 601, UAP sends EAP Request to UE.

In step S602, UAP receives the EAP responses that UE is sent, and the user that EAP responses include UE identifies, or UE User identifies and APN；Or

The EAP responses that UE is sent are received, EAP responses include UE the first mark, or UE the first mark and APN, After receiving EAP responses, UE distributing users mark is identified as according to first.

Step S603 to S609 is referred to step S502 to S508, will not be repeated here.

In step S610, UAP sends EAP success messages to UE, and the success message can include PDN Gateway and be distributed for UE IP address, can not also include.

The IP address that UE can use PDN Gateway to be UE distribution is communicated, and can also be communicated using NAT modes, The explanation to step 509 is may refer to, here is omitted.In embodiments of the present invention, data can be improved using EAP protocol Security in transmission process.

Fig. 7 shows the flow of method for network access provided in an embodiment of the present invention, and UAP adheres to over the mobile network, and PDN connections are established, and UE is then connected by WiFi network attachment with UAP.Mobile network can be 3GPP networks or non-3 gpp Network, this is introduced exemplified by sentencing 3GPP networks.UE authentication information can pass through interaction dhcp message in the flow Mode obtains.

In step s 701, the DHCP request that UE is sended over is received, the DHCP request includes UE user's mark, or UE user's mark and UE APN.

Alternatively, step S701 can be：The DHCP request that UE is sended over is received, the DHCP request includes UE's First mark, or UE the first mark and UE APN, after receiving DHCP request, first UE distributing user marks are identified as according to this Know.

Step S702 to S708 is referred to step S502 to S508 description, will not be repeated here.

In step S709, UAP sends dhcp response to UE.PDN Gateway can be included in the dhcp response to distribute for UE IP address communicated using the address so as to UE.When using NAT modes, can also be comprising UAP in the dhcp response The IP address of UE distribution.The description that may refer to for step S509 is described in detail.

Fig. 8 shows a kind of interaction flow of method for network access provided in an embodiment of the present invention, and in the flow, UE leads to Cross WiFi network and be attached to UAP, the PDN that UAP is established between PDN Gateway is connected, also, is that UE is also established by UAP PDN connections.The step of including to the flow, details are as follows：

In step S801, UAP sends attachment removal request to MME.

Alternatively, UAP can also send PDN connection release requests to MME.

The connection release request or attachment removal request can the user comprising UAP identify, or user comprising UE identify with And UAP user's mark.

It can be triggered by UAP itself or by UE that UAP, which sends attachment removal request or PDN connection release requests, Send attachment removal request triggering UAP send attachment removal request or PDN connection release requests and trigger or UE send PDN Connection release request triggering UAP sends attachment removal request or PDN connection release requests.

In step S802, MME deletes conversation request message to UE PDN linkup transmits can be via SGW（Do not drawn in figure Go out）To PDN Gateway.

When user's mark comprising UAP in the attachment removal request that UAP is sent but user's mark not comprising UE, MME It can be identified according to the UAP included in the UAP and UE incidence relation that are locally created and attachment removal request user, it is determined that needing The UE of PDN connections is deleted, deletion session request is sent to MME for the UE of determination.MME can also not be locally created In the case of UAP and UE incidence relation, the UE user's mark and UAP user's mark that are included in being asked according to attachment removal, The deletion session request for the UE is sent to MME.

In step S803, PDN Gateway initiates to terminate IP-CAN conversation procedures, terminates the PDN established between PCRF and connects IP-CAN sessions corresponding to connecing.

In step S804, PDN Gateway, which is sent, deletes session request response message via SGW to MME.

In step S805, MME deletes UE PDN connection contexts.

In step S806, MME sends attachment removal and accepts message to UAP, alternatively, can enter in attachment removal received message One step includes the UE associated with UAP user's mark.

Alternatively, corresponding with step 801 transmission PDN connection release requests, MME can also send PDN Connection Releases sound Message is answered to UAP.

In step S807, UAP locally deletes is connected contextual information with the UE of UAP associations PDN.UAP can also be released Put the WiFi interface-free resources between UE.

Alternatively, before the WiFi interface-free resources between release and UE, UAP sends PDN connection disconnections and responds to UE.

After UE PDN connections are established by UAP, if UE needs to disconnect PDN connections（For example, UE is disconnected with UAP's During WiFi connections or UAP attachment removals）, then PDN connection release requests can be sent to MME by UAP or attachment removal is asked, so as to UE PDN connections are discharged, delete the resources of UE in a mobile network, realize the timely disconnection of UE PDN connections, release PDN is Its system resource distributed, avoid the waste of resource.

Fig. 9 shows the structural representation of user equipment access point apparatus provided in an embodiment of the present invention, and the device can be with It is the UAP in Fig. 1 to Fig. 8.For convenience of description, the part related to the embodiment of the present invention is illustrate only, including：

User's mark acquiring unit 901, the user for obtaining user equipment (UE) identify.

Messaging unit 902 is established in first connection, for being sent to MME for establishing Packet Data Network for the UE Request is established in first PDN connections of PDN connections, the first PDN connections establish in request user's mark comprising the UE with User's mark of the UAP, receives the first PDN connection establishment responses that the MME is sent；And

Connection establishment unit 903, for establishing the PDN connection contexts of the UE.

Unit 902 can be a kind of transceiver, and unit 903 can be a kind of processor.

The user equipment access point apparatus can also include：

Connection release message Transmit-Receive Unit 904, for sending of the PDN connections for discharging the UE to the MME One PDN connection release requests, user's mark comprising the UE and the use of the UAP in the first PDN connection release requests Family identifies, and receives the first PDN connection release responses that the MME is sent；And

Unit 905 is deleted in first connection, for deleting the PDN connection contexts of the UE.

Unit 904 can be a kind of transceiver, and unit 905 can be a kind of processor.

As shown in Figure 10, user equipment access point apparatus provided in an embodiment of the present invention including foregoing user mark except obtaining Take the connection of unit 901, first to establish outside messaging unit 902 and connection establishment unit 903, can also include：

Attachment removal messaging unit 906, the attachment removal for sending the PDN connections for discharging UE to the MME please Asking, the user of user mark and the UAP of the attachment removal request bag containing the UE identifies, or, include the use of the UAP Family identifies, and receives the attachment removal received message that the MME is sent；And

Unit 907 is deleted in second connection, for deleting the PDN connection contexts of the UE.

Unit 906 can be a kind of transceiver, and unit 907 can be a kind of processor.As shown in figure 11, the present invention is implemented The user equipment access point apparatus that example provides is received except establishing message including the connection of foregoing user's mark acquiring unit 901, first Outside bill member 902 and connection establishment unit 903, it can also include：

Location update message Transmit-Receive Unit 908, for sending the position of the position for updating the UE to the MME more New request, the user comprising the UAP identifies in the position updating request, or the mark of the user comprising the UE and described UAP user's mark, receive the location updating response that the MME is sent.Unit 908 can be a kind of transceiver.

In another embodiment of the invention, it is single can also to include user's mark acquisition simultaneously for user equipment access point apparatus Messaging unit 902, connection establishment unit 903, attachment removal messaging unit 906, second are established in the connection of member 901, first Unit 907 and location update message Transmit-Receive Unit 908 are deleted in connection.

As shown in fig. 11a, user's mark acquiring unit 901 can include Figure 11 a neutron cells 9011 to subelement 9016 In at least one subelement.

First receiving subelement 9011, the 2nd PDN connections foundation request sent for receiving the UE, described second PDN connections are established in request and identified comprising the user.

Second receiving subelement 9012, the 3rd PDN connections foundation request sent for receiving the UE, the described 3rd The first mark comprising the UE in request, or the first mark of the UE and the APN are established in PDN connections, according to described the One, which is identified as the UE, distributes user's mark.

First EAP message receives and dispatches subelement 9013, for sending EAP Request to the UE, receives the EAP that the UE is sent Response, the EAP responses include user's mark, or user mark and the APN.

Second EAP message receives and dispatches subelement 9014, for sending EAP Request to the UE, receives the EAP that the UE is sent Response, EAP response include the first mark of the UE, or the first mark of the UE and the APN, according to described the One, which is identified as the UE, distributes user's mark.

First dhcp message receives and dispatches subelement 9015, the DHCP request sent for receiving the UE, the DHCP request Include user's mark.

Second dhcp message receives and dispatches subelement 9016, the DHCP request sended over for receiving the UE, the DHCP Request includes the first mark of the UE, and being identified as the UE according to described first distributes user's mark.

Subelement 9011 to subelement 9016 can be respectively a kind of transceiver.

Interbehavior between the behaviors of each component units of above-mentioned user equipment access point apparatus, each component units, with And corresponding technique effect is corresponding with the description of the methods performed of UAP in the embodiment of the method shown in Fig. 1 to Fig. 8, herein not Repeat again.

Figure 12 shows the structural representation of mobility management entity device provided in an embodiment of the present invention, the mobility pipe It can be the MME in Fig. 1 to Fig. 8 to manage entity apparatus.For convenience of description, it illustrate only the portion related to the embodiment of the present invention Point, including：

First connection establish messaging unit 1201, for receive UAP transmission be used for for user equipment (UE) establish point Request is established in first PDN connections of group data network PDN connections, comprising the UE in the first PDN connections foundation request Authentication information, the user that the authentication information includes the UE identify；

Conversation message Transmit-Receive Unit 1202 is created, session request is created for being sent to PDN Gateway, the establishment session please Ask the user including the UE to identify, receive the establishment session request response that the PDN Gateway is sent；And

Second connection establishment unit 1203, for establishing the PDN connection contexts of the UE；

First connection establishes messaging unit 1201 and is additionally operable to send the first PDN connection establishment responses to the UAP.

Unit 1201 and unit 1202 can be respectively a kind of transceiver, and unit 1203 can be a kind of processor.

In another embodiment of the present invention, the mobility management entity device including the first foregoing connection except building Vertical messaging unit 1201, create conversation message Transmit-Receive Unit 1202, the second connection establishment unit 1203, the mobile management Entity device can also include：

Incidence relation establishes unit 1204, identifies and establishes for user's mark using the UAP and the user of the UE Incidence relation between the UAP and the UE.Unit 1204 can be a kind of processor.

In another embodiment of the present invention, the mobility management entity device including the first foregoing connection except building Vertical messaging unit 1201, create conversation message Transmit-Receive Unit 1202, the second connection establishment unit 1203 and incidence relation Unit 1204 is established, the mobility management entity device can also include：

Associated connection releasing unit 1205, the mark of the user comprising the UAP sent for receiving the UAP are gone Attach request, according to the incidence relation between the UAP and the UE, discharge the PDN connections of the UE.Unit 1205 can lead to Cross receiver and processor is realized.

Relative position updating block 1206, the position of the mark of the user comprising the UAP sent for receiving the UAP Renewal request, according to the incidence relation between the UAP and the UE, location updating is carried out to the UE.Unit 1206 can be with Realized by receiver and processor.

Wherein, associated connection releasing unit 1205 can include：

Attachment removal information receiving and transmitting subelement 12051 is associated, the user for including the UAP sent for receiving the UAP The attachment removal request for being used to discharge the PDN connections of the UE of mark, attachment removal received message is sent to the UAP；

Determination subelement 12052 is associated, for being identified according to the incidence relation and the UAP user, it is determined that needing Discharge the UE of PDN connections user's mark；

Associated deletion conversation message receives and dispatches subelement 12053, disappears for sending deletion session request to the PDN Gateway Breath, the conversation request message of deleting include user's mark of the UE, receive the deletion session request that the PDN Gateway is sent Response message；

Associated connection deletes subelement 12054, for deleting the PDN connection contexts of the UE.

Subelement 12051 and subelement 12053 can be a kind of transceiver, and subelement 12052 and subelement 12054 can be with For a kind of processor.

Relative position updating block 1206 can include：

Relative position new information receives and dispatches subelement 12061, the use for including the UAP sent for receiving the UAP The position updating request for being used to update the position of the UE of family mark, location updating response message is sent to the UAP；

Relative position updates subelement 12062, for being identified according to the incidence relation and the UAP user, it is determined that The UE of location updating is needed, described in the UAP included using the position updating request location updating message renewal UE positional information.

Subelement 12061 can be a kind of transceiver, and subelement 12062 can be a kind of processor.

As shown in figure 13, in another embodiment of the present invention, the mobility management entity device is except including foregoing The first connection establish messaging unit 1201, create conversation message Transmit-Receive Unit 1202, the second connection establishment unit 1203, The mobile management entity device can also include：

Connection release message Transmit-Receive Unit 1207, the PDN connections for being used to discharge the UE sent for receiving the UAP The first PDN connection release requests, user's mark comprising the UE and the UAP in the first PDN connection release requests User mark；

Connection Release unit 1208, for discharging the PDN connections of the UE；

Connection release message Transmit-Receive Unit 1207, it is additionally operable to send the PDN connection release responses to the UAP.

Unit 1207 can be a kind of transceiver, and unit 1208 can be a kind of processor.

As shown in figure 14, in another embodiment of the present invention, the mobility management entity device is except including foregoing The first connection establish messaging unit 1201, create conversation message Transmit-Receive Unit 1202, the second connection establishment unit 1203, The mobility management entity device can also include：

Attachment removal messaging unit 1210, the PDN connections for being used to discharge the UE sent for receiving the UAP Attachment removal is asked, and the attachment removal request includes user's mark of the UAP and the user of the UE identifies；

Connection Release unit 1211, for discharging the PDN connections of the UE；And

Attachment removal messaging unit 1210, it is additionally operable to send attachment removal received message to the UAP.

Unit 1210 can be a kind of transceiver, and unit 1211 can be a kind of processor.Wherein, above-mentioned Connection Release list Member 1208 and Connection Release unit 1211 can include respectively：

Conversation message transmitting-receiving subelement 12081 is deleted, conversation request message is deleted for being sent to PDN Gateway, it is described to delete The user for including the UE except conversation request message identifies, and receives the deletion session request response message that the PDN Gateway is sent； And

Subelement 12082 is deleted in connection, for deleting the PDN connection contexts of the UE.

Subelement 12081 can be a kind of transceiver, and subelement 12082 can be a kind of processor.As shown in figure 15, exist In an alternative embodiment of the invention, the mobility management entity device including the first foregoing connection except establishing information receiving and transmitting Unit 1201, conversation message Transmit-Receive Unit 1202, the second connection establishment unit 1203 are created, the mobility management entity device is also It can include：

Location update message Transmit-Receive Unit 1213, the position for being used to update the UE sent for receiving the UAP Position updating request, the position updating request include the position after the renewal of the UAP, user's mark of the UAP, and institute State UE user's mark；

Location updating unit 1214, for using the position after the renewal of the UAP, location updating to be carried out to the UE； And

Location update message Transmit-Receive Unit 1213, it is additionally operable to send location updating response message to the UAP.

Unit 1213 can be a kind of transceiver, and unit 1214 can be a kind of processor.In the embodiment of the present invention, when After MME receives the foundation request of the PDN connections including UE authentication informations of UAP transmissions, send PDN connections to PDN Gateway and establish Request, PDN connections are established for UE.After the PDN connection establishment responses for receiving PDN Gateway transmission, establish in UE PDN connections Hereafter, PDN connection establishment responses are sent to UAP, therefore mobile network can be that UE distributes independent resource by UAP, including IP address, qos policy and charging regulation etc., meanwhile, when present invention also offers a variety of UE PDN Connection Releases and location updating Embodiment, realize the UE being connected to by UAP on PDN PDN Connection Releases and position updating process.

Interbehavior between the behaviors of each component units of above-mentioned mobility management entity device, each component units, with It is no longer superfluous herein and corresponding technique effect is corresponding with the description of the methods performed of the MME in Fig. 1 to Fig. 8 embodiments of the method State.

One of ordinary skill in the art will appreciate that realizing all or part of step of above method embodiment can pass through Hardware is completed, and by program the hardware of correlation can also be instructed to complete, all or part of unit of said apparatus embodiment Or subelement can be completed by hardware, by program the hardware of correlation can also be instructed to complete, described program can To be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read-only storage, disk or light Disk etc..

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims

A kind of 1. method of network insertion, it is characterised in that including：

User equipment access point UAP connects the user's mark for obtaining user equipment (UE) by WLAN；

The first PDN connections sent to mobility management entity MME for establishing the connection of grouped data network PDN for the UE are established Request, the first PDN connections are established user's mark comprising the UE and the UAP user in request and identified, with toilet MME is stated after request is established based on the first PDN connections and establishes PDN, establishes the UAP and the UE incidence relation；

The first PDN connection establishment responses that the MME is sent are received, establish the PDN connection contexts of the UE；

The user's mark for obtaining the UE, including：

Obtain the UE first mark, according to described first be identified as the UE distribute for mobile network user mark；

Wherein, first IP address for being identified as the MAC Address of the UE or using in a wireless local area network.
2. according to the method for claim 1, it is characterised in that further comprise：

The position updating request of the position for updating the UE is sent to the MME, institute is included in the position updating request UAP user's mark is stated, or the mark of the user comprising the UE and the UAP user identify；

Receive the location updating response that the MME is sent.
3. method according to claim 1 or 2, it is characterised in that further comprise：

The first PDN connection release requests of the PDN connections for discharging the UE, the first PDN connections are sent to the MME User's mark comprising the UE and the UAP user identify in releasing request；

The first PDN connection release responses that the MME is sent are received, delete the PDN connection contexts of the UE.
4. method according to claim 1 or 2, it is characterised in that further comprise：

The attachment removal that the PDN connections for discharging the UE are sent to the MME is asked, and the attachment removal request bag contains the UE User's mark and the user of the UAP identify, or, user comprising UAP mark；

Receive the attachment removal received message that the MME is sent；

Delete the context of the PDN connections of the UE.
5. method according to claim 1 or 2, it is characterised in that first mark for obtaining the UE, including：

Receive the 3rd PDN connections that the UE is sent and establish request, comprising the UE in the 3rd PDN connections foundation request First mark.
6. method according to claim 1 or 2, it is characterised in that the first mark of the UE is obtained, including：

EAP Request is sent to the UE, receives the EAP responses that the UE is sent, the EAP responses include the first of the UE Mark.
7. method according to claim 1 or 2, it is characterised in that the first mark of the UE is obtained, including：

The dynamic host configuration protocol DHCP request that the UE is sent is received, the first mark of the UE is included in the DHCP request Know.
8. a kind of user equipment access point apparatus, it is characterised in that described device includes：

User's mark acquiring unit, the user that user equipment (UE) is obtained for being connected by WLAN identify；

Messaging unit is established in first connection, for being sent to mobility management entity MME for establishing packet for the UE Request is established in first PDN connections of data network PDN connections, and the user for including the UE in request is established in the first PDN connections Mark and UAP user identify, and so that the MME is after establishing request based on the first PDN connections and establishing PDN, establish institute State UAP and the UE incidence relation；Receive the first PDN connection establishment responses that the MME is sent；And

Connection establishment unit, for establishing the PDN connection contexts of the UE；

User's mark acquiring unit is specifically used for：The first mark of the UE is obtained, according to being identified as described first UE distributes user's mark for mobile network；

Wherein, first IP address for being identified as the MAC Address of the UE or using in a wireless local area network；

The UAP is the user equipment access point apparatus.
9. device according to claim 8, it is characterised in that described device further comprises：

Connection release message Transmit-Receive Unit, the first PDN for sending the PDN connections for discharging the UE to the MME connect Releasing request is connect, user's mark comprising the UE and the UAP user identify in the first PDN connection release requests, Receive the first PDN connection release responses that the MME is sent；And

Unit is deleted in first connection, for deleting the PDN connection contexts of the UE.
10. device according to claim 8 or claim 9, it is characterised in that described device further comprises：

Attachment removal messaging unit, the attachment removal for sending the PDN connections for discharging the UE to the MME are asked, The user of user mark and the UAP of the attachment removal request bag containing the UE identifies, or, include the user of the UAP Mark, receive the attachment removal received message that the MME is sent；

Unit is deleted in second connection, for deleting the PDN connection contexts of the UE.
11. device as claimed in claim 8 or 9, it is characterised in that described device further comprises：

Location update message Transmit-Receive Unit, for sending the position updating request of the position for updating the UE to the MME, The user comprising the UAP identifies in the position updating request, or the mark of the user comprising the UE and the use of the UAP Family identifies, and receives the location updating response that the MME is sent.
12. device as claimed in claim 8 or 9, it is characterised in that user's mark acquiring unit includes：

Second receiving subelement, request is established for receiving the 3rd PDN connections that the UE is sent, the 3rd PDN connections are built The first mark comprising the UE in vertical request, it is identified as the UE distribution user according to described first and identifies.
13. device as claimed in claim 8 or 9, it is characterised in that user's mark acquiring unit includes：

Second EAP message receives and dispatches subelement, for sending EAP Request to the UE, receives the EAP responses that the UE is sent, institute Stating EAP responses includes the first mark of the UE, and being identified as the UE according to described first distributes user's mark.
14. device as claimed in claim 8 or 9, it is characterised in that user's mark acquiring unit includes：

Second dhcp message receives and dispatches subelement, and the DHCP request sent for receiving the UE, the DHCP request includes institute UE the first mark is stated, being identified as the UE according to described first distributes user's mark.
A kind of 15. method of network insertion, it is characterised in that including：

Receive the first PDN for being used to establish the connection of grouped data network PDN for user equipment (UE) that user equipment access point UAP is sent Request is established in connection, and the first PDN connections are established user's mark comprising the UE and the UAP user in request and marked Know；

Sent to packet data network PDN Gateway and create session request, the user's mark for creating session request and including the UE Know；

Receive the establishment session request response that the PDN Gateway is sent；

The PDN connection contexts of the PDN connections of the UE are established, the first PDN connection establishment responses are sent to the UAP；

The user of the UE identifies for mobile network and is identified as the UE according to the first of the UE by the UAP and distributes Arrive, first IP address for being identified as the MAC Address of the UE or using in a wireless local area network；

Methods described further comprises：The UAP and institute are established using user's mark of the UAP and user's mark of the UE State the incidence relation between UE.
16. according to the method for claim 15, it is characterised in that further comprise：

The attachment removal for being used to discharge the PDN connections of the UE for receiving the mark of the user comprising the UAP that the UAP is sent please Ask, according to the incidence relation, discharge the PDN connections of the UE, attachment removal received message is sent to the UAP；Or

The location updating for being used to update the position of the UE for receiving the mark of the user comprising the UAP that the UAP is sent please Ask, according to the incidence relation, location updating is carried out to the UE, location updating response message is sent to the UAP.
17. method as claimed in claim 16, it is characterised in that it is described according to the incidence relation, discharge the PDN of the UE Connection, including：

Identified according to the incidence relation and the UAP user, it is determined that needing to discharge the UE of PDN connections user's mark Know, sent to the PDN Gateway and delete conversation request message, the user that the deletion conversation request message includes the UE marks Know；

Receive the deletion session request response message that the PDN Gateway is sent；

Delete the PDN connection contexts of the UE.
18. method as claimed in claim 16, it is characterised in that according to the incidence relation, position is carried out more to the UE Newly, including：

Identified according to the incidence relation and the UAP user, it is determined that needing the UE of location updating, use the position The location updating message for the UAP that renewal request bag contains updates the positional information of the UE.
19. method as claimed in claim 15, it is characterised in that further comprise：

The position updating request for being used to update the position of the UE that the UAP is sent is received, the position updating request includes User's mark of position, the UAP after the renewal of the UAP and user's mark of the UE；

Using the position after the renewal of the UAP, location updating is carried out to the UE；

Location updating response message is sent to the UAP.
20. according to the method for claim 15, it is characterised in that further comprise：

Receive the first PDN connection release requests for being used to discharge the PDN connections of the UE that the UAP is sent, the first PDN User's mark comprising the UE and the UAP user identify in connection release request；

Discharge the PDN connections of the UE；

PDN connection release responses are sent to the UAP.
21. method as claimed in claim 15, it is characterised in that methods described further comprises：

The attachment removal request for being used to discharge the PDN connections of the UE that the UAP is sent is received, the attachment removal request bag contains institute State UAP user's mark and the user of the UE identifies；

Discharge the PDN connections of the UE；

Attachment removal received message is sent to the UAP.
22. the method as described in claim 20 or 21, it is characterised in that the PDN connections of the release UE, including：

Sent to the PDN Gateway and delete conversation request message, the user's mark deleted conversation request message and include the UE Know；

Receive the deletion session request response message that the PDN Gateway is sent；

Delete the PDN connection contexts of the UE.
A kind of 23. mobility management entity device, it is characterised in that including：

First connection establish messaging unit, for receive user equipment access point UAP transmission be used for be user equipment (UE) Request is established in the first PDN connections for establishing the connection of grouped data network PDN, and the first PDN connections are established in request comprising described UE user's mark and the user of the UAP identify；

Conversation message Transmit-Receive Unit is created, session request is created for being sent to PDN Gateway, the establishment session request includes institute UE user's mark is stated, receives the establishment session request response that the PDN Gateway is sent；And

Second connection establishment unit, for establishing the PDN connection contexts of the UE；

Messaging unit is established in first connection, is additionally operable to send the first PDN connection establishment responses to the UAP；

The user of the UE identifies for mobile network and is identified as the UE according to the first of the UE by the UAP and distributes Arrive, first IP address for being identified as the MAC Address of the UE or using in a wireless local area network；

The mobility management entity device further comprises：

Incidence relation establishes unit, for using the UAP user mark and the UE user mark establish the UAP and Incidence relation between the UE.
24. device as claimed in claim 23, it is characterised in that further comprise：

Associated connection releasing unit, what the user comprising the UAP for receiving the UAP transmissions identified is used to discharge described The attachment removal request of UE PDN connections, according to the incidence relation, discharges the PDN connections of the UE；Or

Relative position updating block, what the user comprising the UAP for receiving the UAP transmissions identified is used to update described The position updating request of UE position, according to the incidence relation, location updating is carried out to the UE.
25. device as claimed in claim 24, it is characterised in that the associated connection releasing unit includes：

Attachment removal information receiving and transmitting subelement is associated, the mark of the user comprising the UAP sent for receiving the UAP is used for The attachment removal request of the PDN connections of the UE is discharged, attachment removal received message is sent to the UAP；

Determination subelement is associated, for being identified according to the incidence relation and the UAP user, it is determined that needing to discharge PDN companies The UE connect user's mark；

Associated deletion conversation message receives and dispatches subelement, and conversation request message, the deletion session are deleted for being sent to PDN Gateway The user that request message includes the UE identifies, and receives the deletion session request response message that the PDN Gateway is sent；And

Associated connection deletes subelement, for deleting the PDN connection contexts of the UE.
26. device as claimed in claim 24, it is characterised in that the relative position updating block includes：

Relative position new information receives and dispatches subelement, the use of the mark of the user comprising the UAP sent for receiving the UAP Position updating request in the position for updating the UE, location updating response message is sent to the UAP；

Relative position updates subelement, for being identified according to the incidence relation and the UAP user, it is determined that needing position more The new UE, the UAP included using the position updating request location updating message update the position letter of the UE Breath.
27. device according to claim 23, it is characterised in that further comprise：

Connection release message Transmit-Receive Unit, the first of the PDN connections for discharging the UE sent for receiving the UAP PDN connection release requests, user's mark comprising the UE and the UAP user in the first PDN connection release requests Mark；

Connection Release unit, for discharging the PDN connections of the UE；

The connection release message Transmit-Receive Unit, it is additionally operable to send PDN connection release responses to the UAP.
28. device according to claim 23, it is characterised in that further comprise：

Attachment removal messaging unit, please for receiving the attachment removal for being used to discharge the PDN connections of the UE that the UAP is sent Ask, the attachment removal request includes user's mark of the UAP and the user of the UE identifies；

Connection Release unit, for discharging the PDN connections of the UE；

The attachment removal messaging unit, it is additionally operable to send attachment removal received message to the UAP.
29. the device as described in claim 27 or 28, it is characterised in that the Connection Release unit includes：

Conversation message transmitting-receiving subelement is deleted, conversation request message, the deletion session request are deleted for being sent to PDN Gateway The user that message includes the UE identifies, and receives the deletion session request response message that the PDN Gateway is sent；And

Subelement is deleted in connection, for deleting the PDN connection contexts of the UE.
30. device as claimed in claim 23, it is characterised in that further comprise：

Location update message Transmit-Receive Unit, the location updating for being used to update the position of the UE sent for receiving the UAP Request, the position updating request include the position after the renewal of the UAP, user's mark of the UAP and the use of the UE Family identifies；

Location updating unit, for using the position after the renewal of the UAP, location updating to be carried out to the UE；

The location update message Transmit-Receive Unit, it is additionally operable to send location updating response message to the UAP.