CN102036329B - Method and equipment for establishing or modifying local IP access bearer - Google Patents
Method and equipment for establishing or modifying local IP access bearer Download PDFInfo
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- CN102036329B CN102036329B CN 201010280767 CN201010280767A CN102036329B CN 102036329 B CN102036329 B CN 102036329B CN 201010280767 CN201010280767 CN 201010280767 CN 201010280767 A CN201010280767 A CN 201010280767A CN 102036329 B CN102036329 B CN 102036329B
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Abstract
The embodiment of the invention discloses a method and equipment for establishing or modifying a local internet protocol (IP) access bearer. The method comprises the following steps of: receiving an attach request message transmitted by a user terminal; selecting a service gateway according to the attach request message, and transmitting a bearer establishing or modifying request message; and receiving a bearer establishing or modifying response message returned by a local service gateway to finish the local IP bearer establishing or modifying process. The invention is applied to establishingor modifying the local IP access bearer in a mobile communication system.
Description
The application be at the applying date be that September 28, application number in 2009 are 200910177266.2, denomination of invention is dividing an application that the patent application of " a kind of method and apparatus of setting up or revising local IP access bearer " proposes.
Technical field
The present invention relates to and the mobile communication technology field, particularly a kind of method and apparatus of setting up or revising local IP access bearer.
Background technology
For (the 3G Home eNodeB of the HeNB with local breakout ability, third generation Home eNodeB), the local breakout carrying is by UE (User Equipment, subscriber equipment) and between the HeNB, HeNB and L-SGW (Local Serving Gateway, the local service gateway) between, the carrying between L-SGW and the L-PGW (Local PDN Gateway, local packet data network gateway) is set up.UE adhere to, separation, position upgrade and process such as service request in will set up local default bearer.
When UE is positioned at the HeNB cell coverage area, can enjoy HeNB local breakout business, if leaving the HeNB residential quarter, UE covers, then lose the local breakout ability, and can only obtain business by core net.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
Only be positioned at the UE of HeNB coverage, could obtain HeNB local breakout business.In the time of outside the UE that uses the local breakout business moves to the HeNB coverage, the local breakout business will be cut off.Therefore for covering the UE that the edge frequently moves back and forth at HeNB, or HeNB area of coverage swinging of signal regularly, and UE needs continuous situation in HeNB residential quarter and macrocell switching, this discontinuity of local breakout business, can have a strong impact on the user to the use of business, thereby cause poor user experience.
Summary of the invention
Embodiments of the invention provide a kind of method and apparatus of setting up or revising local IP access bearer, in the time of can working as UE and switch between HeNB residential quarter and macrocell, guarantee HeNB local breakout business continuance.
The technical scheme that the embodiment of the invention adopts is:
A kind of method of setting up or revising local IP access bearer comprises:
MME receives the base station Attach Request message that the preceding subscriber equipment that changes sends in S1-MME control signaling, carries local IP Access Point Name in the described Attach Request message, carries the local IP access capability of Base Station Identification and Home eNodeB in the described S1-MME control signaling;
Described MME selects gateway and local grouped data network gateway according to described local IP Access Point Name and described Base Station Identification, and sends foundation or revise bearing request message to described gateway;
Described MME receives foundation or the modification bearing response message that described gateway returns, and finishes foundation or the modification process of the local IP access bearer between described gateway and described local grouped data network gateway.
A kind of equipment of setting up or revising local IP access bearer comprises:
Receive the module of the base station Attach Request message that the preceding subscriber equipment that changes sends in S1-MME control signaling, carry local IP Access Point Name in the described Attach Request message, carry the local IP access capability of Base Station Identification and Home eNodeB in the described S1-MME control signaling;
According to described local IP Access Point Name and described Base Station Identification, select gateway and local grouped data network gateway, and send the module of setting up or revising bearing request message to described gateway;
Receive foundation or modification bearing response message that described gateway returns, finish the foundation of the local IP access bearer between described gateway and described local grouped data network gateway or the module of modification process.
The method and apparatus of local IP access bearer is set up or revised to the embodiment of the invention, when terminal location switches, Mobility Management Entity receives the handover request message that evolution base station sends earlier, carry the evolution base station sign in the described handover request message, obtain the local breakout ability of evolution base station afterwards, according to local breakout ability and the local IP Access Point Name of evolution base station sign, described evolution base station, between gateway and local grouped data network gateway, set up or revise local IP access bearer.Compared with prior art, need continuous situation in HeNB residential quarter and macrocell switching at UE, also can guarantee HeNB local breakout business continuance, improved user experience quality.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The network structure that Fig. 1 provides for the embodiment of the invention one;
The foundation that Fig. 2 provides for the embodiment of the invention one or the method flow diagram of revising local IP access bearer;
Set up or revise the method flow diagram of local IP access bearer in the scene one that Fig. 3 provides for the embodiment of the invention one;
Set up or revise the method flow diagram of local IP access bearer in the scene three that Fig. 4 provides for the embodiment of the invention one;
Set up or revise the method flow diagram of local IP access bearer in the scene four that Fig. 5 provides for the embodiment of the invention one;
The another kind of method flow diagram of setting up or revising local IP access bearer in the scene four that Fig. 6 provides for the embodiment of the invention one;
The foundation that Fig. 7 provides for the embodiment of the invention two or the device structure schematic diagram of revising local IP access bearer;
The foundation that Fig. 8 provides for the embodiment of the invention three or the device structure schematic diagram of revising local IP access bearer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
For the advantage that makes technical solution of the present invention is clearer, below in conjunction with drawings and Examples the present invention is elaborated.
When evolution base station and local grouped data network gateway are a network entity, the evolution base station sign is identical with local packet data web gateway identification, the selection of local grouped data network gateway is designated foundation with evolution base station, and what evolution base station reported to network side is the evolution base station sign; When evolution base station and local grouped data network gateway were respectively the heterogeneous networks entity, evolution base station replaced with local packet data web gateway identification to the evolution base station sign that network side reports, and above-mentioned explanation all is suitable for following examples.
Embodiment one
The embodiment of the invention provides a kind of method of setting up or revising local IP access bearer, as shown in Figure 1, on existing HeNB local breakout framework basis, increase the local grouped data network gateway L-PGW of HeNB (Local PDN Gateway, local packet data network gateway) with core net service gateway nodes S-GW (Serving Gateway, gateway) between the S5 interface.When bearer update, network based for LIPA (Local IP Access, local IP access) APN (Access Point Name, Access Point Name) and Base Station Identification HeNB ID Indication message be between the L-PGW of core net S-GW and this ground of HeNB with bearer update, thereby core network data is travelled back across HeNB this locality, guaranteed the business continuance of local breakout.As shown in Figure 2, this foundation or the method for revising local IP access bearer comprise:
201, Mobility Management Entity receives the handover request message that evolution base station sends, carry the evolution base station sign in the described handover request message, described evolution base station comprises source evolution base station or target evolution base station, described evolution base station sign is identical with the sign of local grouped data network gateway, for example, described evolution base station sign is the IP address of local grouped data network gateway etc.;
202, Mobility Management Entity obtains the local breakout ability of described evolution base station;
Mobility Management Entity can be by receiving the handover request message that described source evolution base station sends, carry the information of the local breakout ability of active evolution base station in the described handover request message, Mobility Management Entity can obtain the local breakout ability of described source evolution base station thus.
Mobility Management Entity can also be by receiving the switching request acknowledgement message that described target evolution base station sends, carry the information of the local breakout ability of target evolution base station in the described switching request acknowledgement message, Mobility Management Entity can obtain the local breakout ability of described target evolution base station thus;
Mobility Management Entity can also obtain the information of the local breakout ability of described target evolution base station by inquiry, can obtain the local breakout ability of described target evolution base station thus.
When the information of the local breakout ability of obtaining described target evolution base station by inquiry, Mobility Management Entity sends handover request message to target evolution base station earlier, comprises the inquiry flag information that the indicating target evolution base station returns the local breakout indication information in the described handover request message; Target evolution base station is after receiving the handover request message that comprises this inquiry flag information, return switching request acknowledgement message to Mobility Management Entity, carry the local breakout indication of target evolution base station in the described switching request acknowledgement message, the make eye bright information of local breakout ability of mark evolution base station of described local breakout dial gauge;
203, Mobility Management Entity according to described evolution base station identify, local breakout ability and the local IP Access Point Name of described evolution base station, set up between gateway and local grouped data network gateway or revise local IP access bearer, described gateway is positioned at core net or evolution base station;
Wherein, described between gateway and local grouped data network gateway, set up or revise local IP access bearer specifically can comprise:
Mobility Management Entity according to described evolution base station identify, the local breakout ability of described evolution base station and local IP Access Point Name select gateway and local grouped data network gateway; And to selected gateway transmission modification bearing request message, revise bearing request message and receive the modification bearing response message that described local grouped data network gateway returns so that described gateway sends to described local grouped data network gateway; Receive the modification bearing response message that described gateway returns then; Be the carrying between described gateway and the selected local grouped data network gateway at last with bearing modification.
Wherein, after described Mobility Management Entity is selected local grouped data network gateway, also needing to carry out the gateway repositioning process, is the local service gateway of Home eNodeB with the gateway reorientation.
Further, receive at described Mobility Management Entity before the handover request message of evolution base station transmission, also comprise the local IP access bearer process of setting up, wherein, the local IP access bearer of described foundation specifically can comprise:
According to local IP Access Point Name and Home eNodeB sign, select local grouped data network gateway and server gateway;
Send foundation or revise bearing request message to described gateway;
Receive foundation or modification bearing response message that described gateway returns, finish the foundation between described gateway and local grouped data network gateway or revise load bearing process.
Further,, select also to comprise before local grouped data network gateway and the gateway according to local IP Access Point Name and Home eNodeB sign described:
Receive the Attach Request message that user terminal sends, carry described local IP Access Point Name in the described request message; And
Receive the preceding network access server message of changeing by Home eNodeB, described preceding the commentaries on classics carried described Home eNodeB sign in the network access server message; Perhaps,
Receive the tracing section updating message that user terminal sends, carry described local IP Access Point Name in the described tracing section updating message; And
Limited by the permission of user terminal and to obtain described Home eNodeB sign in the groups of users tabulation, can be used as the Home eNodeB sign of local ip breakout in the restriction subscriber group cell that the expression of described Home eNodeB sign allows UE to insert.
Further, after the described foundation of finishing between described gateway and local grouped data network gateway or modification load bearing process, also comprise:
Send to adhere to user terminal by Home eNodeB and accept message, described adhering to accepted message and indicates described user terminal to be inserted by the local IP of network authorization.
Further, after the tracing section updating message that described reception user terminal sends, also comprise:
Judge that described user terminal is authorized to use local IP to insert, and have the restriction subscriber group cell that allows described user terminal to insert to exist in the resident current tracking area of described user terminal;
The described user terminal of described judgement is authorized to use local IP access to comprise:
Whether the restriction groups of users sign that the permission of judging described user terminal limits in the groups of users tabulation is identical with cell ID under the described tracking area;
If identical, then comprise the restriction subscriber group cell that allows described user terminal to insert in the described tracking area;
If the permission that has the restriction groups of users that limits subscriber group cell more than to be identified at described user terminal in the described tracking area limits in the groups of users tabulation, then select the high restriction subscriber group cell of priority,
According to restriction groups of users sign and the local IP access to family base station sign in the permission restriction groups of users tabulation of described user terminal, obtain setting up for described user terminal the Home eNodeB sign of local breakout.
The foundation that the embodiment of the invention provides or revise the method for local IP access bearer, when terminal location switches, Mobility Management Entity receives the handover request message that evolution base station sends earlier, carry the evolution base station sign in the described handover request message, obtain the local breakout ability of evolution base station afterwards, according to local breakout ability and the local IP Access Point Name of evolution base station sign, described evolution base station, between gateway and local grouped data network gateway, set up or revise local IP access bearer.Compared with prior art, need continuous situation in HeNB residential quarter and macrocell switching at UE, also can guarantee HeNB local breakout business continuance, improved user experience quality.
The foundation that the embodiment of the invention is provided below in conjunction with concrete scene or the method for revising local IP access bearer describe in detail.
In embodiments of the present invention, determining to trigger the heavily distribution by S1 can be: Decision to trigger a relocation via S1.Handoff requirement message can be Handover Required message.Transmitting RELOCATION REQUEST message can be: Forward Relocation Request message.Handover request message can be Handover Request message.Switching request acknowledgement message can be Handover Request Acknowledge message.Upgrading bearing request message can be: Update Bearer Request message or modification bearing request message: Modify Bearer Request message.More the new bearer request response can be: Update Bearer Request Response message or modification bearing response message: Modify Bearer Response message.
The local LIPA carrying of scene one: HeNB is set up
In this scene, Attach Request message can be Attach Request message.Setting up the default bearer request message can be: Create Default Bearer Request message or set up the session request: Create Session Request message.Setting up the default bearer response message can be: Create Default Bearer Response message or set up session corresponding message Create Session Response.Initial context is set up request message: Initial Context Setup Request message.Adhere to and accept message and can be: Attach Accept message.Wireless resource control connection reconfiguration message can be: RRC Connection Reconfiguration message.
For L-SGW and the L-PGW of HeNB this locality, because they are arranged on the HeNB, therefore L-SGWID and L-PGW ID are arranged that to have identical ID with HeNB be HeNB ID.
LIPA carrying establish dual mode:
Mode one, UE are to LIPA business of core network requests, and core net is set up the LIPA carrying for allowing the UE that carries out LIPA.
Mode two, network allow the UE that carries out the LIPA business can obtain the LIPA permission indication information that core net issues in attaching process, and when described UE initiated the LIPA business, core net was that UE sets up the LIPA carrying.
As shown in Figure 3, the method flow of mode one comprises:
31) UE initiates Attach Request message and gives the base station.Carry one in this Attach Request message and be used for the APN that LIPA inserts, show that UE inserts PDN to the local IP of network request HeNB, as representing with LIPA APN.
32) base station obtains MME (Mobility Management Entity, Mobility Management Entity) according to S-TMSI (Temporary Mobile Subscriber Identity) and the indication of selection network.If can not get MME, select MME by the MME selection function.Attach Request message is changeed to MME in the base station before S1-MME controls in the signaling then, in this message, carry the LIPA ability of Base Station Identification eNB ID and/or HeNB simultaneously, as representing with LBO Indication (Local Breakout Indication, local breakout indication).
33) if network allows UE to carry out LIPA, then in the CAMEL-Subscription-Information of UE, can preserve LIPA and allow CAMEL-Subscription-Information.MME receives the LIPA request of UE, according to the LIPA ability of LIPA CAMEL-Subscription-Information and Base Station Identification eNBID and/or the HeNB of UE, carries out LIPA and inserts and judge.If allow, then MME chooses L-PGW and the L-SGW of base station according to LIPA APN and eNB ID.MME sends to L-SGW and sets up default bearer request message (set up the default bearer request message can be Create Default Bearer Request message or set up the session request).
34) L-SGW creates an entrance in its EPS (Evolved Packet System, evolved packet system) carrying tabulation, and sends out one to L-PGW and set up the default bearer request message.
35) L-PGW returns one to L-SGW and sets up the default bearer response message.
36) L-SGW returns one to MME and sets up the default bearer response message.
Afterwards, carry out other attachment flow in 23.401.
Mode two comprises:
1) UE initiates Attach Request message and gives the base station.
2) base station obtains MME according to S-TMSI and the indication of selection network.If can not get MME, select MME by the MME selection function.Base station preceding Attach Request message that changes in S1-MME control signaling carries the LIPA ability of Base Station Identification eNB ID and/or HeNB, as representing with LBO Indication simultaneously to MME in this message then.
3) if network allows UE to carry out LIPA, then in the CAMEL-Subscription-Information of UE, can preserve LIPA and allow CAMEL-Subscription-Information.MME is according to the LIPA CAMEL-Subscription-Information of UE, and LBO carries out LIPA access judgement.
MME selects a S-GW to send and sets up bearing request message.If the LIPA of the UE of MME inserts judged result for allowing, then in this message, carry LIPA and allow Indication message, can be with representing as LIPA Indication.
Step 4)～step 8) is identical with attaching process in 23.401, all needs to carry LIPA Indication message LIPA Indication in the message that sends in these steps.
Follow-up UE initiates the LIPA business request information and gives MME.
Step 31 in the reference pattern one)～37), the LIPA of UE carrying is set up.
Present embodiment is that example describes with the attachment flow, is equally applicable to service request, position renewal, separation process, here these flow processs is repeated no more.
Scene two: after being reoriented to the S-GW of core net, keep the successional network architecture of local breakout
Increase the interface L-S5 between S-GW and the L-PGW on the existing local breakout network architecture basis of HeNB.When the UE position was upgraded or switch, local L-SGW reorientation was core net S-GW.Local breakout indication-LBO the Indication of network based HeNB and/or HeNB ID (being L-PGW ID), LIPA APN is addressed to the L-PGW of HeNB this locality, sets up the carrying between core net S-GW and the L-PGW.When UE under the Active pattern, when switching to a non-CSG residential quarter from the HeNB residential quarter that allows its access, when HeNB received down link LIPA grouping, this was grouped into the S-GW of core net to L-PGW with the tunnel, thereby has guaranteed that UE can receive the grouped data that comes from HeNB this locality.Under the prerequisite that the local breakout continuity can't guarantee, after UE has switched to a non-CSG residential quarter, have following link LIPA grouping to arrive HeNB, but HeNB is not when knowing how to transmit this grouping, this is grouped into PDN GW with the tunnel for it, thereby this grouping is considered as non-LIPA business.
Scene three: present embodiment mainly solves under the CSG scene, and UE guarantees the successional method of Home eNodeB local breakout after moving to macrocell from the Home eNodeB area of coverage of the CSG residential quarter that allows its access.
As shown in Figure 4, this method comprises:
41) source base station determines to initiate the target BS that switches to based on S1.
42) source base station sends handoff requirement message to source MME.Handoff requirement message can comprise following parameter: source base station is to target BS transparent transmission container, and target BS identifies, S1 AP reason, the Location Area Identification of selection etc.Carry eNB ID, the LBO Indication of source base station in this message.
43) reorientation MME if desired, source MME send to target MME and transmit RELOCATION REQUEST message.Transmit in the RELOCATION REQUEST message and can comprise following parameter: MME UE context, source base station be to target BS transparent transmission container, target BS eNB ID.
44) carry out in 23.401 based on S1 switching flow step.
45) MME chooses the local PDN GW on the source base station, i.e. L-PGW according to the eNB ID of LIPA APN and source base station.The L-SGW reorientation of source base station this locality is the SGW of core net.
The renewal bearing request message that MME sends to SGW.The bearer update request message comprises following parameter: eNBID, for receiving the following link traffic on the S1-U, the TEID that the EPS that is used for receiving that distributes at target BS carries etc.
46) SGW sends the bearer update request message to L-PGW.After receiving the bearer update request message, L-PGW upgrades its context.
47) L-PGW returns a renewal bearing response message and gives SGW.Upgrade bearing response message and comprise following parameter: PDN GW address, TEID, MSISDN etc.
48) SGW sends the bearer update response message to MME.Upgrade bearing response message and comprise following parameter: PDN GW address, TEID etc.
UE switches to target BS from source base station by said process, and bearer update is the local LIPA carrying of source base station.
Scene four:
What this scene mainly solved is when UE enters into the TA at the Home eNodeB place that allows its access, network is that UE sets up core net S-GW to the local ip breakout between the base station L-PGW of family carrying, thus the continuity of the local breakout business when guaranteeing that UE moves in this TA.
Present embodiment mainly is described according to two steps.At first be in position updating process, network is judged, thereby is carried for UE sets up local breakout; Secondly, when switching in the residential quarter that UE covers from macrocell to Home eNodeB, the renewal process of local breakout carrying.
1.UE the foundation of local breakout carrying in the TAU process
If the MME reorientation does not take place before and after switching, then the step between following source MME and the target MME can be omitted and not carry out, and source MME and target MME are same MME.
If the SGW reorientation does not take place before and after switching, then the step between following source SGW and the target SGW can be omitted and not carry out, and source SGW and target SGW are same SGW.
The trigger position renewal process can be: Trigger to start TAU procedure.The TAU request message can be: TAU Request message.Setting up bearing request message can be: Create Bearer Request message or set up conversation request message: Create Session Request message.Upgrading bearing request message can be: Update Bearer Request message or modification bearing request message: Modify Bearer Request message.Upgrading bearing response message can be: Update Bearer Response message or modification bearing response message: Modify Bearer Respinse message.Setting up bearing response message can be: Create Bearer Response message or set up conversational response message: Create Session Response message.
Here for network can find the Home eNodeB that comprises L-PGW, need in the ACL of UE, increase the Home eNodeB that can be used as local breakout in the CSG residential quarter that allows UE to insert and represent to be HeNB ID, represent with LIPA HeNB ID.
As shown in Figure 5, this method comprises:
51) determine to trigger a TAU process.
52) UE sends a TAU request message to the base station.This TAU request message can comprise the core net ability of following parameter: UE, and the TAI of last visit activates sign, EPS loaded state etc.Carry LIPA APN in the TAU request message.
53) the TAU request message that changes UE before the base station is given target MME.
54) after MME receives the TAU request message of UE, all need to carry out the judgement of two steps, at first, judge whether network allows the LIPA business of this UE request.Determination methods is set up deterministic process in the process with local default bearer.
Secondly, judge the CSG residential quarter that whether has permission UE to insert among the TA at the current place of UE.The method of judging is: MME judges that the CSG ID among the ACL of UE is whether identical with CSG ID among the residential quarter ID-Cell ID of residential quarter under this TA.If identical, then illustrate to comprise the CSG residential quarter that allows UE to insert in this TA.If MME judges the CSG ID that has under this TA more than 1 CSG residential quarter in the ACL of UE, then according to priority orders, select the high CSG residential quarter of priority.Afterwards, MME obtains setting up for UE the HeNB ID of local breakout according to the CSG ID among the ACL of UE, LIPA HeNB ID.
MME chooses the L-PGW that allows on the UE HeNB that insert, that can be used as local ip breakout according to HeNB ID, LIPA APN.
MME selects a S-GW to send and sets up bearing request message.This sets up bearing request message can comprise following parameter: IMSI, bearer context, MME address and TEID, type etc.
55) S-GW sends to the selected L-PGW of MME and upgrades bearing request message.Upgrade bearing request message and can comprise following parameter: S-GW address and TEID, RAT type etc.
56) L-PGW returns a renewal bearing response message to S-GW.This renewal bearing response message can comprise following parameter: MSISDN, PDN GW address, TEID etc.
57) S-GW returns one and sets up bearing response message to MME.This sets up bearing response message can comprise following parameter: S-GW address and TEID etc.
58) carry out 23.401 Position Updating flow processs.
Be that UE sets up core net S-GW and carries to the LIPA between the base station L-PGW of family by said process.
2.UE move to the handoff procedure of HeNB residential quarter from macrocell
As shown in Figure 6, this method comprises:
61) source base station determines to initiate the target BS that switches to based on S1.
62) source base station sends handoff requirement message to source MME.Handoff requirement message can comprise following parameter: source base station is to target BS transparent transmission container; The target BS sign, S1 AP reason, the Location Area Identification of selection etc.
63) reorientation MME if desired, source MME send to target MME and transmit RELOCATION REQUEST message.Transmit in the RELOCATION REQUEST message and can comprise following parameter: MME UE context, source base station is to target BS transparent transmission container, eNB ID.
64) target MME sends handover request message to target BS.Handover request message can comprise following parameter: need the EPS that sets up to carry, and AMBR, S1 AP reason, source base station switches restriction tabulation etc. to target BS transparent transmission container.Carry the inquiry sign of base station local breakout capability indication information in this handover request message, represent as LBO Required Indication.
65) target BS sends switching request acknowledgement message to target MME.Switching request acknowledgement message can comprise that following parameter: EPS carrying sets up the result, and target BS is to source base station transparent transmission container etc.Carry the local breakout capability indication information in this switching request acknowledgement message, as representing with LBO Indication.LBO Indication also can carry in this message and send target MME to voluntarily not by the query script of step 4).
66) carry out in 23.401 based on S1 switching flow step.
67) MME is according to LIPA APN and eNB ID, the local PDN GW on the select target base station, i.e. L-PGW.S-GW is the L-SGW of target BS this locality from the core net reorientation.
The renewal bearing request message that MME sends to L-SGW.The bearer update request message comprises following parameter: eNB ID, and for receiving the following link traffic on the S1-U, the TEID that the EPS that is used for receiving that distributes at target BS carries etc.
68) L-SGW sends the bearer update request message to L-PGW.After receiving the bearer update request message, L-PGW upgrades its context.
69) L-PGW returns a renewal bearing response message and gives L-SGW.Upgrade bearing response message and comprise following parameter: PDN GW address, TEID, MSISDN etc.
610) L-SGW sends the bearer update response message to MME.Upgrade bearing response message and comprise following parameter: PDN GW address, TEID etc.
UE switches to target BS from source base station by said process, and bearer update is the local LIPA carrying of target BS.
The foundation that the embodiment of the invention provides or revise the method for local IP access bearer, when terminal location switches, Mobility Management Entity receives the handover request message that evolution base station sends earlier, carry the evolution base station sign in the described handover request message, obtain the local breakout ability of evolution base station afterwards, according to local breakout ability and the local IP Access Point Name of evolution base station sign, described evolution base station, between gateway and local grouped data network gateway, set up or revise local IP access bearer.Compared with prior art, need continuous situation in HeNB residential quarter and macrocell switching at UE, also can guarantee HeNB local breakout business continuance, improved user experience quality.
Embodiment two
The embodiment of the invention provides a kind of equipment of setting up or revising local IP access bearer, and as shown in Figure 7, this equipment comprises:
Set up or modified module 703, be used for local breakout ability and local IP Access Point Name according to described evolution base station sign, described evolution base station, set up between gateway and local grouped data network gateway or revise local IP access bearer, described gateway is positioned at core net or evolution base station.
The foundation that the embodiment of the invention provides or revise the equipment of local IP access bearer, when terminal location switches, Mobility Management Entity receives the handover request message that evolution base station sends earlier, carry the evolution base station sign in the described handover request message, obtain the local breakout ability of evolution base station afterwards, according to local breakout ability and the local IP Access Point Name of evolution base station sign, described evolution base station, between gateway and local grouped data network gateway, set up or revise local IP access bearer.Compared with prior art, need continuous situation in HeNB residential quarter and macrocell switching at UE, also can guarantee HeNB local breakout business continuance, improved user experience quality.
Embodiment three
The embodiment of the invention provides a kind of equipment of setting up or revising local IP access bearer, and as shown in Figure 8, this equipment comprises:
Set up or modified module 703, be used for local breakout ability and local IP Access Point Name according to described evolution base station sign, described evolution base station, set up between gateway and local grouped data network gateway or revise local IP access bearer, described gateway is positioned at core net or evolution base station.
Wherein, described acquisition module 702 comprises following any unit at least:
First acquiring unit 7021 is used for obtaining according to the handover request message that the described source evolution base station that described receiver module 701 receives sends the information of the local breakout ability of described source evolution base station;
The 3rd acquiring unit 7023 is used for the information that the local breakout ability of described target evolution base station is obtained in inquiry.
Wherein, described foundation or modified module 703 comprise:
Transmitting element 7032, be used for sending the modification bearing request message to selected gateway, revise bearing request message and receive the modification bearing response message that described local grouped data network gateway returns so that described gateway sends to described local grouped data network gateway;
Receiving element 7033 is used for receiving the modification bearing response message that described gateway returns;
Revising unit 7034, be used for after described receiver module 701 receives the modification bearing response message that described gateway returns, is carrying between core net gateway and the selected local grouped data network gateway with bearing modification.
Wherein, this equipment also comprises:
Sending module 704 is used for sending to adhere to user terminal by Home eNodeB accepting message, and described adhering to accepted message and indicate described user terminal to be inserted by the local IP of network authorization.
Wherein, described sending module 704 send to user terminal by Home eNodeB adhere to accept message after, described receiver module 701 also is used for receiving Attach Request message or the tracing section updating message that user terminal sends, and carries described local IP Access Point Name in described Attach Request message or the tracing section updating message.
Wherein, this equipment also comprises:
Whether described judge module 705, the restriction groups of users that the concrete permission that is used for judging described user terminal limits the groups of users tabulation identify identical with cell ID under the described tracking area; If identical, then comprise the restriction subscriber group cell that allows described user terminal to insert in the described tracking area; If the permission that has the restriction groups of users that limits subscriber group cell more than to be identified at described user terminal in the described tracking area limits in the groups of users tabulation, then select the high restriction subscriber group cell of priority;
Afterwards, described judge module 705 obtains setting up for described user terminal the Home eNodeB sign of local breakout according to restriction groups of users sign and local IP access to family base station sign in the permission restriction groups of users tabulation of described user terminal.
The foundation that the embodiment of the invention provides or revise the equipment of local IP access bearer, when terminal location switches, Mobility Management Entity receives the handover request message that evolution base station sends earlier, carry the evolution base station sign in the described handover request message, obtain the local breakout ability of evolution base station afterwards, according to local breakout ability and the local IP Access Point Name of evolution base station sign, described evolution base station, between gateway and local grouped data network gateway, set up or revise local IP access bearer.Compared with prior art, need continuous situation in HeNB residential quarter and macrocell switching at UE, also can guarantee HeNB local breakout business continuance, improved user experience quality.
The embodiment of the invention is applicable to the EPS system, but is not limited in this, also goes for UMTS (Universal Mobile Telecommunication System, universal mobile telecommunications system) and waits other mobile communication system.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (5)
1. the method setting up or revise local IP access bearer is characterized in that, comprising:
MME receives the base station Attach Request message that the preceding subscriber equipment that changes sends in S1-MME control signaling, carries local IP Access Point Name in the described Attach Request message, carries the local IP access capability of Base Station Identification and Home eNodeB in the described S1-MME control signaling;
Described MME selects gateway and local grouped data network gateway according to described local IP Access Point Name and described Base Station Identification, and sends foundation or revise bearing request message to described gateway;
Described MME sends to described local grouped data network gateway so that described local grouped data network gateway returns foundation or revises bearing response message to described gateway by described gateway with described foundation or modification bearing request message;
Described MME receives described foundation or the modification bearing response message that described gateway returns, and finishes foundation or the modification process of the local IP carrying between described gateway and described local grouped data network gateway.
2. method according to claim 1 is characterized in that, at described selection gateway and local grouped data network gateway, and sends to described gateway and to set up or to revise before the bearing request message, also comprises:
Described MME carries out local IP and inserts judgement according to the CAMEL-Subscription-Information of described user terminal and the local IP access capability of described Home eNodeB;
Allow local IP to insert if described MME judges, then according to described local IP Access Point Name and described Base Station Identification, select gateway and local grouped data network gateway.
3. method according to claim 2 is characterized in that, the CAMEL-Subscription-Information of described user terminal comprises: the permission CAMEL-Subscription-Information that local IP inserts.
4. the equipment setting up or revise local IP access bearer is characterized in that, comprising:
Receive the module of the base station Attach Request message that the preceding subscriber equipment that changes sends in S1-MME control signaling, carry local IP Access Point Name in the described Attach Request message, carry the local IP access capability of Base Station Identification and Home eNodeB in the described S1-MME control signaling;
According to described local IP Access Point Name and described Base Station Identification, select gateway and local grouped data network gateway, and send the module of setting up or revising bearing request message to described gateway;
Receive foundation or modification bearing response message that described gateway returns, finish the foundation of the local IP access bearer between described gateway and described local grouped data network gateway or the module of modification process;
Wherein, the foundation that the described gateway of described reception returns or modification bearing response message, finish the foundation of the local IP access bearer between described gateway and described local grouped data network gateway or the module of modification process and comprise:
By described gateway with described foundation or revise that bearing request message sends to described local grouped data network gateway so that described local grouped data network gateway returns the unit of setting up or revising bearing response message to described gateway;
Receive described foundation or modification bearing response message that described gateway returns, finish the foundation of the local IP carrying between described gateway and described local grouped data network gateway or the unit of modification process.
5. equipment according to claim 4 is characterized in that, also comprises:
According to the CAMEL-Subscription-Information of described user terminal and the local IP access capability of described Home eNodeB, carry out local IP and insert the module of judging;
Allow local IP to insert if described MME judges, according to described local IP Access Point Name and described Base Station Identification, select the module of gateway and local grouped data network gateway.
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| CN 201010280767 CN102036329B (en) | 2009-09-28 | 2009-09-28 | Method and equipment for establishing or modifying local IP access bearer |
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| CN 201010280767 CN102036329B (en) | 2009-09-28 | 2009-09-28 | Method and equipment for establishing or modifying local IP access bearer |
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| CN2009101772662A Division CN102036325B (en) | 2009-09-28 | 2009-09-28 | Method and equipment for establishing or modifying local IP (Internet Protocol) access bearer |
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| CN102761919A (en) * | 2011-04-29 | 2012-10-31 | 中兴通讯股份有限公司 | Method and system for selecting gateway |
| CN102170708B (en) * | 2011-05-24 | 2013-10-16 | 电信科学技术研究院 | Method, system and equipment for processing dedicated bearer for LIPA (Local IP Access) connection, |
| CN103167571B (en) * | 2011-12-09 | 2017-07-21 | 华为终端有限公司 | Switching method and mobile management device, home access device |
| CN103517256A (en) * | 2012-06-29 | 2014-01-15 | 中兴通讯股份有限公司 | Local IP access capacity information acquisition method of MME and base station |
| WO2014121490A1 (en) * | 2013-02-07 | 2014-08-14 | Broadcom Corporation | Handover procedure between local area cells which are under the same coverage of a macro cell |
| CN105262648B (en) * | 2014-07-14 | 2019-10-29 | 中兴通讯股份有限公司 | A kind of implementation method of mixed networking, system and equipment |
| CN108377526B (en) * | 2016-11-03 | 2020-09-29 | 中国移动通信有限公司研究院 | Data distribution method and device |
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