CN102695160B - A kind of local IP access motion management method and system - Google Patents
A kind of local IP access motion management method and system Download PDFInfo
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Abstract
The invention discloses a kind of local IP access motion management method and system, core network mobility administrative unit is according to the corresponding relation of local IP access Access Point Name in user's signing with closed user group mark, identify whether that being included in described user has activated in the closed user group logo collection that local IP access connects corresponding to Access Point Name, to determine whether described user is positioned at the local IP access moving area that described local IP access connects the most by the closed user group judging user's accessed wireless side network element.The invention provides local IP access (including that local IP accesses, selectivity IP transmits shunting) ambulant concrete decision method, solve the problem that core net judges local IP access support area.
Description
Technical field
The present invention relates to moving communicating field, be specifically related to a kind of local IP access motion management method and be
System.
Background technology
In order to keep 3-G (Generation Three mobile communication system) in the competitiveness of the communications field, provide the user speed more
Hurry up, Mobile Communication Service that time delay is lower and more personalized, meanwhile, reduce the operation of operator
Cost, third generation partner program (3rd Generation Partnership Project, referred to as 3GPP)
Standard working group is just being devoted to grinding of evolved packet system (Evolved Packet System being called for short EPS)
Study carefully.Fig. 1 shows the structural representation of evolution grouping domain system, as it is shown in figure 1, whole EPS
It is divided into wireless access network and core net two parts.In the core network, home subscriber server (Home is contained
Subscriber Server, referred to as HSS), Mobility Management Entity (Mobility Management
Entity, referred to as MME), Serving GPRS Support Node (Serving GPRS Support Node,
Referred to as SGSN), policy charging rule function (Policy and Charging Rule Function, letter
Be referred to as PCRF), gateway (Serving Gateway, referred to as S-GW), packet data gateway
(PDN Gateway, referred to as P-GW) and packet data network (Packet Data Network, letter
Claim PDN).Functions is described below in detail:
Home subscriber server, is the permanent storage place of user contracting data, is positioned at returning of user's signing
Belong to net.
Mobility Management Entity, is the user contracting data storage place in current network, and responsible terminal arrives
The Non-Access Stratum signaling management of network, the safety verification function of terminal, the mobile management of terminal, user
Tracking and paging under idle pulley manage function and bearer management.
Serving GPRS Support Node, is global system for mobile communications (Global System for Mobile
Communications, referred to as GSM) strengthen data transfer rate GSM evolution (Enhanced Data Rate
For GSM Evolution, referred to as EDGE) wireless access network (GSM EDGE Radio Access
Network, referred to as GERAN) and UMTS (Universal Mobile
Telecommunications System, referred to as UMTS) land radio access web (UMTS
Terrestrial Radio Access Network, referred to as UTRAN) business of user access core network network
Support point, functionally similar with Mobility Management Entity, be responsible for the location updating of user, paging manage and
The functions such as bearer management.
Gateway, is the core net gateway that arrives wireless system, is responsible for terminal and holds to the user face of core net
Carry, data buffer storage under terminal idle mode, the function of network side initiating business request, Lawful Interception and
Packet routing and forwarding capability；Gateway is responsible for counting user terminal and is used the situation of wireless network,
And produce terminal use wireless network ticket, send charging gateway to.
Packet data gateway, is the gateway of evolution system and this its exterior packet data network, and it connects
On the Internet and packet data network, it is responsible for Internet protocol (Internet Protocol, the letter of terminal
Be referred to as IP) address distribution, billing function, the function such as packet packet filtering and policy control.
Packet data network, is the IP operation network of operator, and this network by the core net of operator is
User provides IP to service.
Policy charging rule functional entity, is to be responsible in evolution system providing charging control, online credit control
System, thresholding control and service quality (Quality of Service, referred to as QoS) strategy aspect rule
Server then.
Wireless access network, is wireless by evolution base station (Evolved NodeB, referred to as eNB) and 3G
Network controller (Radio Network Controllor, referred to as RNC) forms, and it is mainly responsible for nothing
The transmitting-receiving of line signal, by air interface and terminal contact, manages the Radio Resource of air interface, resource
Scheduling and Access Control.
Above-mentioned Serving GPRS Support Node is the SGSN upgraded, it would be preferable to support and between gateway
S4 interface, and and mobility management unit between use GPRS Tunnel Protocol version 2 (GPRS
Tunneling Protocol version 2, referred to as GTPv2) carry out intercommunication.And for supporting 3G core
(Packet Switching, referred to as PS) the territory network architecture of packet switch for the SGSN of heart net and figure
1 is different.Now SGSN with MME uses gn interface to be connected, and intercommunication uses GPRS tunnel association
View version 1 (GPRS Tunneling Protocol version 1, referred to as GTPv1).SGSN can not
It is connected with gateway, is connected to Gateway GPRS Support Node (Gateway GPRS by gn interface
Support Node, referred to as GGSN) directly carry out packet data network access.
Home eNodeB (Home NodeB, referred to as HNB) or the Home eNodeB (Home of evolution
ENodeB, referred to as HeNB) it is class base station small-sized, lower powered, exclusive as certain user
Resource, is deployed in the private sites such as family, group, company or school and uses, use primarily to give
Family provides higher service rate and reduces the expense used required for high rate services, makes up existing simultaneously
The deficiency that distributed cellular radio communication system covers.The advantage of Home eNodeB is merit economical, convenient, low
Rate output, plug and play, broadband access and use single-mode terminal etc..
Home eNodeB can be directly connected to core network, as shown in Figure 2 a, it is also possible to passes through Home eNodeB
This logical ne of gateway is linked into core network, and as shown in Figure 2 b, wherein, femto gateway is main
Function is: the safety of checking Home eNodeB, processes the registration of Home eNodeB, transports Home eNodeB
Row maintenance management, according to Carrier Requirements configuration and control Home eNodeB, is responsible for exchcange core net and family
The data of base station.
(local IP access (Local IP Access, referred to as LIPA) is included in order to realize local IP access function
Or selectivity IP transmission shunting (Selected IP Traffic Offload, referred to as SIPTO)), i.e.
This locality of IP device in other IP device of home network, enterprise network or internet is connect by terminal
Enter, be additionally arranged local gateway, as shown in figs. 2 a-2 c.Setting up that local access network closes can provide this locality
Providing powerful support for of access technique, local gateway can close with wireless side network element and set or attached at wireless side network element
Closely (the most external), it is also possible to and femto gateway close set or (outside i.e. near femto gateway
Put).Local gateway includes local SGW (Local SGW, referred to as L-SGW), local PGW
(Local PGW, referred to as L-PGW), local GGSN (Local GGSN, referred to as L-GGSN),
And external local GW (Local GW, referred to as L-GW) etc..
Fig. 3 shows in mobile communications network framework, the data that local IP access and tradition core net access
Flow path.For supporting the user of local IP access, traditional core net can be set up simultaneously and access data road
Footpath and local IP access data path.As it is shown on figure 3, for the connection of local IP access, local IP access data
Path from terminal to wireless side network element to local access network close (such as: L-SGW, L-PGW, and
L-GGSN), data are transmitted without core net.In order to realize terminal to other IP device of home network
Or the local access of internet, can set up two connections, and Article 1 local IP access data path is straight
The Internet (internet ip connects, namely SIPTO connects) is asked in receiving.Article 2 local IP access data
Path directly accesses other IP device of home network (home network IP connects, namely LIPA connects).
Local IP access function is supplied to internal privately owned user access resources from application Shang Jiangshi family or enterprise
A kind of mode, this application will not be the most open to user all of in network, and moves out as user
There is no need when family or enterprise-wide again for providing this kind to access resource.Therefore for enabling local visit
For asking the user of function, local IP access business need not support the mobility of the whole network, only provides the user
The mobility of local moving range, had the most both met the application characteristic of local IP access function, it is also possible to
Reduce the extra process that Virtual network operator is done by supporting local IP access.At present core net how to judge with
In the moving process of family, the support scope of local movement there is no clear and definite implementation.
Summary of the invention
Present invention solves the technical problem that and be to provide a kind of local IP access motion management method and system, with
The problem that certainly core net judges local IP access support area.
For solving above-mentioned technical problem, the invention provides a kind of local IP access motion management method, institute
The method of stating includes:
Core network mobility administrative unit is according to local IP access Access Point Name and closed user group in user's signing
The corresponding relation of mark, identifies whether bag by the closed user group judging user's accessed wireless side network element
It is contained in described user and the most activates local IP access connection closed user group identification sets corresponding to Access Point Name
In conjunction, to determine whether described user is positioned at the local IP access moving area that described local IP access connects.
Further, described mobility management unit determines that described user is not at described local IP access turnover zone
During territory, then the described local IP access discharging described user connects.
Further, described mobility management unit determines that described user is positioned at described local IP access turnover zone
During territory, then the described local IP access of described user is maintained to connect.
Further, described local IP access moving area, refer to: local IP access business continuity can be supported
The region of property.
Further, described local IP access moving area connects access particularly as follows: have described local IP access
The region that the base station that corresponding closed user group of calling the roll identifies is covered.
Further, when described mobility management unit receives following request, it is judged that described user whether position
In described local IP access moving area:
Position updating request；
Service request；And/or
Handover request.
Further, the described local IP access of described release connects, including: discharge described local IP access and connect
Corresponding core network tunnels；
The described local IP access of described maintenance connect, including: set up described local IP access connect corresponding to straight
Connect tunnel.
Further, described mobility management unit is determining that described user does not moves at described local IP access
Behind region, if judging, described local IP access is connected as the uniquely coupled of described user, then initiate described use
The attachment removal at family.
Additionally, present invention also offers a kind of local IP access mobility management systems, it is applied to mobility pipe
Reason entity (MME) or Serving GPRS Support Node (SGSN), described system includes corresponding pass
It is binding module and access connection determination module, wherein:
Described corresponding relation binding module is used for, and contracts preservation local IP access Access Point Name according to user and closes
Share the corresponding relation of family group mark；
The described connection determination module that accesses is used for, the described corresponding relation preserved according to described binding module,
Identify whether to be included in described user by the closed user group judging user's accessed wireless side network element current
Activate in the closed user group logo collection that local IP access connects corresponding to Access Point Name, described to determine
Whether user is positioned at the local IP access moving area that described local IP access connects.
Further, the described connection determination module that accesses is used for, and determines that described user is not in described local visit
When asking moving area, then the described local IP access discharging described user connects；Determine that described user is positioned at institute
When stating local IP access moving area, then the described local IP access of described user is maintained to connect.
Further, described access connects determination module release described local IP access connection, including: release
Core network tunnels corresponding to the connection of described local IP access；
Described access connects determination module maintenance described local IP access connection, including: set up described this locality and visit
Ask the direct tunnel corresponding to connection.
Further, the described connection determination module that accesses is used for, when receiving following request, it is judged that described use
Whether family is positioned at described local IP access moving area: position updating request, service request and/or handover request.
Further, the described connection determination module that accesses is additionally operable to, and is determining that described user is not at described
After ground accesses moving area, if judging, described local IP access is connected as the uniquely coupled of described user, then
Initiate the attachment removal of described user.
From the above mentioned, the invention provides local IP access and (include that local IP accesses, selectivity IP transmits
Shunting) ambulant concrete decision method, solve core net and judge the problem of local IP access support area,
When outside user moves to local IP access moving area, release local IP access connects in good time, thus meets
Local IP access mobility demand.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the application
Point, the schematic description and description of the present invention is used for explaining the present invention, is not intended that the present invention's
Improper restriction.In the accompanying drawings:
Fig. 1 is the configuration diagram of evolution grouping domain system；
Fig. 2 a is the schematic diagram of a kind of Home eNodeB core network access；
Fig. 2 b is the schematic diagram of another kind of Home eNodeB core network access；
Fig. 2 c is the schematic diagram of another Home eNodeB core network access；
Fig. 3 is local IP access and the data flow path schematic diagram of tradition core net access；
Fig. 4 is that the APN that core network mobility administrative unit of the present invention preserves is right with what closed user group identified
The schematic diagram that should be related to；
Fig. 5 is the schematic flow sheet of the embodiment of the present invention one；
Fig. 6 is the schematic flow sheet of the embodiment of the present invention two；
Fig. 7 is the schematic flow sheet of the embodiment of the present invention three.
Detailed description of the invention
For supporting the mobility to terminal, the core concept of the present invention is, the mobile management of core net
The closed user that unit (such as MME or SGSN etc.) is corresponding for local IP access APN in contracting according to user
Group mark (CSG ID), to determine that the permission moving area that user's local IP access connects (is also referred to as herein
Make local IP access moving area).And then, when determining that user moves out this region, then discharge this use
The local IP access at family connects, otherwise, then the local IP access continuing to this user connects.
Specifically, can preserve in core network mobility administrative unit (such as MME or SGSN etc.)
The corresponding relation of local IP access APN and CSG ID, when the wireless side network element of user's attachment (or access)
When core net sends message, core network mobility administrative unit judges the CSG ID of this wireless side network element
It is whether the user CSG ID corresponding to APN that the most activated that local IP access connects, or works as APN
During corresponding multiple CSG ID, it is corresponding whether the CSG ID of this wireless side network element is included in described APN
CSG ID set in, if it is, illustrate this user without departing from above-mentioned moving area, then this local IP access
Connection can continue to, and otherwise, illustrates that this user beyond above-mentioned moving area, then discharges this this locality and visits
Ask connection.
For the ease of illustrating the present invention, below with reference to drawings and the specific embodiments to technical solution of the present invention
Enforcement be described in further detail.It should be noted that in the case of not conflicting, in the application
Feature in embodiment and embodiment can mutual combination in any.
Fig. 4 be in the embodiment of the present invention core network mobility administrative unit preserve local IP access APN with
The schematic diagram of the corresponding relation of CSG ID.It is described as follows:
In user's closed user group subscription data, if the user while have certain closed user group mark
Local IP access function can be used under the base station of (CSG ID) to access some specific packet data network,
Then mobility management unit can preserve APN corresponding to these specific cluster data networks and this CSG ID's
Corresponding relation.
Such as, if the user while have under the base station of CSG ID1 can with local IP access packet data network 1,
So this APN1 corresponding to packet data network 1 can get up with CSG ID1 binding.In like manner, according to
Signing it can be seen that, user can be with local IP access Packet Data Network under the base station with CSG ID2
Network 2 and packet data network 3.
Incorporated by reference to shown in Fig. 4, mobility management unit can determine local IP access according to above-mentioned corresponding relation
Moving area.Specifically, when user access network, core network mobility administrative unit can detect use
CSG ID that wireless side network element had currently is adhered at family and user has the most activated local IP access and connected
APN.Core network mobility administrative unit may determine that according to above-mentioned closed user group signing and activates
Local IP access connects the closed user group logo collection corresponding to APN.Such as, if user is the currently active
The local IP access of APN3 connects, then be appreciated that according to user contracting data have CSG ID2 and
The wireless side network element of CSG ID3 mark is the region that user can use that this local IP access connects, and therefore may be used
To determine CSG ID2 and the closed user group logo collection that CSG ID3 is above-mentioned acquisition, namely core net
The local IP access moving area that mobility management unit determines, this local IP access moving area is and certain
Local IP access connects relevant.
Core network mobility administrative unit compares user and currently adheres to the CSG ID that wireless side network element is had
The relation of the closed user group logo collection corresponding to being connected with the above-mentioned local IP access activated, if used
Family is currently adhered to the CSG ID that wireless side network element had and is included in above-mentioned local IP access to connect APN institute right
In the closed user group logo collection answered, then judge that this local IP access connects and still can maintain,
Hold the mobility of local IP access, then set up direct tunnel, carry out normal renewal process.Otherwise then core
Network mobility administrative unit judges that this local IP access connects and can not continue to, it is impossible in this wireless side
Support the mobility of local IP access under network element, discharge this local IP access PDN and connect.
Embodiment one
As it is shown in figure 5, the present embodiment flow process mainly comprises the steps that
Step 501, terminal moves to the region outside Route Area or tracking area list, or the cycle is fixed
Time device time-out etc. reason all can trigger terminal location update request message.
Step 502, wireless side network element is when forwarding location update request message, at S1 or Iu interface
Message is carried the closed user group mark CSG ID configured currently without line side network element.
It should be noted that the content of above-mentioned steps 501 and 502 is prior art.
Step 503, core network mobility administrative unit is contracted according to the CSG of user and is judged that user is current
Whether the local IP access activated connects can support business continuity in currently without line side network element coverage
Property, concrete decision process can be found in aforementioned core network mobility administrative unit and determines local IP access moving area
Logical schematic (explanation of Fig. 4, do not repeat).Optional core network mobility management is single
Unit can be combined with whether there occurs after user moves that the change of local gateway is further judged.
Step 504, if core network mobility administrative unit judges can continue to ensure user's local IP access
Business continuance, then perform following steps 504a, 504b.
Step 504a, core network mobility administrative unit in S1 or Iu interface message by local gateway
Address and carry out the association identification that direct tunnel associates with core network tunnels and be sent to wireless side network element.
Wherein association identification is P-GW or the local IP access of GGSN distribution connects user face TEID.
Direct tunnel is set up between step 504b. wireless side network element and local gateway.
Step 505, if core network mobility administrative unit judges can not continue to ensure user's local IP access
Business continuance, then perform following steps 505a, and core network mobility administrative unit release local IP access is even
Connect corresponding core network tunnels.
Step 506, core network mobility administrative unit sends location updating and accepts message.Visit if local
Ask that connection is that user is uniquely coupled, and because can not support to move in currently without line side network element coverage
Move property and be released, then core network mobility administrative unit initiates user's attachment removal.
Embodiment two
As shown in Figure 6, the present embodiment flow process mainly comprises the steps that
Step 601, terminal has signaling or data to send all can trigger terminal initiating business request message.
Step 602, wireless side network element is when forwarding service request message, in S1 or Iu interface message
In carry the closed user group mark CSG ID configured currently without line side network element.
Step 603, core network mobility administrative unit is contracted according to the CSG of user and is judged that user is current
Whether the local IP access activated connects can support business continuity in currently without line side network element coverage
Property, concrete decision process is shown in that core network mobility administrative unit determines that the logic of local IP access moving area is shown
It is intended to (explanation of Fig. 4, do not repeat).Optional core network mobility administrative unit is all right
Whether there occurs after moving in conjunction with user that the change of local gateway is further judged.
Step 604, if core network mobility administrative unit judges can continue to ensure user's local IP access
Business continuance, then perform following steps 604a, 604b.
Step 604a, core network mobility administrative unit in S1 or Iu interface message by local gateway
Address and carry out the association identification that direct tunnel associates with core network tunnels and be sent to wireless side network element.
Wherein association identification is P-GW or the local IP access of GGSN distribution connects user face TEID.
Direct tunnel is set up between step 604b. wireless side network element and local gateway.
Step 605, if core network mobility administrative unit judges can not continue to ensure user's local IP access
Business continuance, then perform following steps 605a, and core network mobility administrative unit release local IP access is even
Connect corresponding core network tunnels.
Step 606, core network mobility administrative unit sends business and accepts message, if local IP access is even
Connecing is that user is uniquely coupled, and because can not support mobility in currently without line side network element coverage
And be released, then core network mobility administrative unit initiates user's attachment removal.
Embodiment three
As it is shown in fig. 7, the present embodiment flow process mainly comprises the steps that
Step 701, terminal can monitor the broadcast channel of neighbor cell in connected state, periodically to wireless
Side network element sends measurement report, can comprise the mark of neighbor cell, CSG ID and signal in measurement report
The information such as intensity.
Step 702, source wireless side network element can determine whether user's choosing according to the measurement report of reporting of user
Select the Target Wireless side network element initiation handoff procedure being more suitable for attachment.
Step 703, if source wireless side NE Discovery has is more suitable for the Target Wireless side net for terminal service
Unit then sends handover request message to mobility management unit, and message includes Target Wireless side network element
CSG id and network element ID information.
Step 704, core network mobility administrative unit is contracted according to the CSG of user and is judged that user is current
Whether the local IP access activated connects can support business continuity in the network element coverage of Target Wireless side
Property, concrete decision process is shown in that aforementioned core network mobility administrative unit determines patrolling of local IP access moving area
Volume, do not repeat).Optional core network mobility administrative unit can be combined with after user moves
Whether there occurs that the change of local gateway is further judged.
Step 705, if core network mobility administrative unit judges can continue to ensure user's local IP access
Business continuance, then perform following steps 705a, 705b.
Step 705a, core network mobility administrative unit in S1 or Iu interface message by local gateway
Address and carry out the association identification that direct tunnel associates with core network tunnels and be sent to wireless side network element.
Wherein association identification is P-GW or the local IP access of GGSN distribution connects user face TEID.
Direct tunnel is set up between step 705b. wireless side network element and local gateway.
Step 706, if core network mobility administrative unit judges can not continue to ensure user's local IP access
Business continuance, then perform following steps 706a, and core network mobility administrative unit release local IP access is even
Connect corresponding core network tunnels.
Step 707, core network mobility administrative unit sends switching life by source wireless side network element to terminal
Order.If it is that user is uniquely coupled that local IP access connects, and because can not cover currently without line side network element
Support in the range of lid that mobility is released, then core network mobility administrative unit initiates user's attachment removal.
Step 708, continues executing with follow-up handoff procedure.
It should be noted that core network mobility administrative unit includes Mobility Management Entity in the present embodiment
MME, Serving GPRS Support Node SGSN.Local IP access function includes: local IP accesses, choosing
Selecting property IP transmits shunting.Wireless side network element includes: Home eNodeB and femto gateway.
Additionally, the embodiment of the present invention additionally provides a kind of mobility management systems, be applied to MME or
Person SGSN, this system mainly includes corresponding relation binding module and accesses connection determination module, wherein:
Described corresponding relation binding module is used for, and contracts preservation local IP access Access Point Name according to user and closes
Share the corresponding relation of family group mark；
The described connection determination module that accesses is used for, the described corresponding relation preserved according to described binding module,
Identify whether to be included in described user by the closed user group judging user's accessed wireless side network element current
Activate in the closed user group logo collection that local IP access connects corresponding to Access Point Name, described to determine
Whether user is positioned at the local IP access moving area that described local IP access connects.
Further, the described connection determination module that accesses is used for, and determines that described user is not in described local visit
When asking moving area, then the described local IP access discharging described user connects；Determine that described user is positioned at institute
When stating local IP access moving area, then the described local IP access of described user is maintained to connect.
Further, described access connects determination module release described local IP access connection, including: release
Core network tunnels corresponding to the connection of described local IP access；
Described access connects determination module maintenance described local IP access connection, including: set up described this locality and visit
Ask the direct tunnel corresponding to connection.
Further, the described connection determination module that accesses is used for, when receiving following request, it is judged that described use
Whether family is positioned at described local IP access moving area: position updating request, service request and/or handover request.
Further, the described connection determination module that accesses is additionally operable to, and is determining that described user is not at described
After ground accesses moving area, if judging, described local IP access is connected as the uniquely coupled of described user, then
Initiate the attachment removal of described user.
These are only that the present invention's is preferable to carry out case, be not limited to the present invention, the present invention is also
Can there be other various embodiments, in the case of without departing substantially from present invention spirit and essence thereof, be familiar with this area
Technical staff can make various corresponding change and deformation according to the present invention, but these change accordingly and
Deformation all should belong to the protection domain of appended claims of the invention.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can
To realize with general calculating device, they can concentrate on single calculating device, or distribution
On the network that multiple calculating devices are formed, alternatively, they can be with calculating the executable journey of device
Sequence code realizes, and performs it is thus possible to be stored in storing in device by calculating device, and
And in some cases, can be different from order herein perform shown or described by step, or
They are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are made
Single integrated circuit module is become to realize.So, the present invention is not restricted to any specific hardware and software
In conjunction with.
Claims (8)
1. a local IP access motion management method, it is characterised in that described method includes:
Core network mobility administrative unit is according to local IP access Access Point Name and closed user group in user's signing
The corresponding relation of mark, identifies whether bag by the closed user group judging user's accessed wireless side network element
It is contained in described user and the most activates local IP access connection closed user group identification sets corresponding to Access Point Name
In conjunction, to determine whether described user is positioned at the local IP access moving area that described local IP access connects；
Described mobility management unit determines that described user not when described local IP access moving area, then releases
The described local IP access putting described user connects；
Discharge described local IP access to connect, including: discharge the core net corresponding to the connection of described local IP access
Tunnel；
Described mobility management unit determines when described user is positioned at described local IP access moving area, then tie up
The described local IP access holding described user connects；
Described local IP access is maintained to connect, including: set up the direct tunnel corresponding to the connection of described local IP access
Road.
2. the method for claim 1, it is characterised in that
Described local IP access moving area, refers to: can support the region of local IP access business continuance.
3. method as claimed in claim 1 or 2, it is characterised in that
Described local IP access moving area is particularly as follows: have described local IP access and connect corresponding to Access Point Name
The region that the base station of closed user group mark is covered.
4. the method as described in any one of claim 1 or 2, it is characterised in that
When described mobility management unit receives following request, it is judged that whether described user is positioned at described this locality
Access moving area:
Position updating request；
Service request；And/or
Handover request.
5. the method for claim 1, it is characterised in that described method also includes:
Described mobility management unit determine described user not after described local IP access moving area, if
Judge that described local IP access is connected as the uniquely coupled of described user, then initiate the attachment removal of described user.
6. a local IP access mobility management systems, it is characterised in that be applied to Mobility Management Entity
(MME) or Serving GPRS Support Node (SGSN), described system includes that corresponding relation is bound
Module and access connect determination module, wherein:
Described corresponding relation binding module is used for, and contracts preservation local IP access Access Point Name according to user and closes
Share the corresponding relation of family group mark；
The described connection determination module that accesses is used for, the described corresponding relation preserved according to described binding module,
Identify whether to be included in described user by the closed user group judging user's accessed wireless side network element current
Activate in the closed user group logo collection that local IP access connects corresponding to Access Point Name, described to determine
Whether user is positioned at the local IP access moving area that described local IP access connects；
The described connection determination module that accesses is used for, and determines that described user is not at described local IP access moving area
Time, then the described local IP access discharging described user connects；Determine that described user is positioned at described local IP access
During moving area, then the described local IP access of described user is maintained to connect；
Described access connects determination module release described local IP access connection, including: discharge described this locality and visit
Ask the core network tunnels corresponding to connection；
Described access connects determination module maintenance described local IP access connection, including: set up described this locality and visit
Ask the direct tunnel corresponding to connection.
7. system as claimed in claim 6, it is characterised in that
The described connection determination module that accesses is used for, when receiving following request, it is judged that whether described user is positioned at
Described local IP access moving area: position updating request, service request and/or handover request.
8. system as claimed in claim 6, it is characterised in that
The described connection determination module that accesses is additionally operable to, and is determining that described user does not moves at described local IP access
Behind region, if judging, described local IP access is connected as the uniquely coupled of described user, then initiate described use
The attachment removal at family.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110072228.8A CN102695160B (en) | 2011-03-24 | A kind of local IP access motion management method and system | |
| PCT/CN2012/070969 WO2012126290A1 (en) | 2011-03-24 | 2012-02-09 | Method and system for local access mobility management |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110072228.8A CN102695160B (en) | 2011-03-24 | A kind of local IP access motion management method and system |
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| Publication Number | Publication Date |
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| CN102695160A CN102695160A (en) | 2012-09-26 |
| CN102695160B true CN102695160B (en) | 2016-12-14 |
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| EP2166785A1 (en) * | 2008-09-22 | 2010-03-24 | HTC Corporation | Method of controlling cell selection for a wireless communication system and related device |
| CN101931926A (en) * | 2009-06-26 | 2010-12-29 | 华为终端有限公司 | Method, system, network side equipment and UE for managing CSG membership |
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| EP2166785A1 (en) * | 2008-09-22 | 2010-03-24 | HTC Corporation | Method of controlling cell selection for a wireless communication system and related device |
| CN101931926A (en) * | 2009-06-26 | 2010-12-29 | 华为终端有限公司 | Method, system, network side equipment and UE for managing CSG membership |
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