CN101998365A - Method and device for source management of communication system supporting local IP access - Google Patents
Method and device for source management of communication system supporting local IP access Download PDFInfo
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- CN101998365A CN101998365A CN2009101626365A CN200910162636A CN101998365A CN 101998365 A CN101998365 A CN 101998365A CN 2009101626365 A CN2009101626365 A CN 2009101626365A CN 200910162636 A CN200910162636 A CN 200910162636A CN 101998365 A CN101998365 A CN 101998365A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
Abstract
The invention discloses a method for source management of a communication system supporting local IP access, which comprises the following steps: after receiving a service request message or position updating request massage, a movable management entity determines that a wireless-side network element with the local IP access is changed according to identification information of the wireless-side network element with the local IP access in the service request message or the position updating request massage, and then sends link information of a core network to the wireless-side network element, or sends the link information of the core network, infromation for indicating a user terminal to reserve local IP access linkage, and link information of local IP access. The invention simultaneously discloses a device for implementing the method. The invention enables the user terminal to access the service through a local IP access gateway as far as possible so as to reduce pressure on the core network.
Description
Technical field
The present invention relates to the resource management techniques in the wireless communication system, relate in particular to a kind of method for managing resource and device in the communication system that local IP inserts of supporting.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System) by the universal mobile telecommunications system land radio access web (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, ServingGateway), grouped data network gateway (P-GW or PDN GW, Packet Data NetworkGateway), home subscriber server (HSS, Home Subscriber Server), authentication and authorization charging (the AAA of 3GPP, Authentication, Authorization and Accounting) server, "Policy and Charging Rules Function (PCRF, Policy and Charging Rules Function) entity and other support nodes are formed.
Fig. 1 is the schematic diagram of the system architecture of EPS, and as shown in Figure 1, MME is responsible for the related work of chains of command such as the processing of mobile management, Non-Access Stratum signaling and the contextual management of user's mobile management; IAD comprises S-GW and P-GW, and S-GW is the accessing gateway equipment that links to each other with E-UTRAN, transmits data between E-UTRAN and P-GW, and is responsible for pending datas such as paging are carried out buffer memory; P-GW then is the borde gateway of EPS and packet data network (PDN, Packet Data Network) network, and the access of being responsible for PDN reaches functions such as transmitting data between EPS and PDN; The Authentication Authorization server comprises HSS, 3GPP AAA; PCRF is the "Policy and Charging Rules Function entity, it links to each other with operator IP operation network by receiving interface Rx, obtain business information, in addition, it links to each other with gateway device in the network by the Gx/Gxa/Gxc interface, is responsible for initiating the foundation of IP carrying, the service quality (QoS of assurance business datum, and the control of chargeing Qualityof Service).
A kind of as new access service mode, Home eNodeB is a kind of small-sized, lower powered base station, be deployed in indoor places such as family and office, main effect is in order higher service rate to be provided to the user and to reduce and use the needed expense of high rate services, remedying the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of Home eNodeB is economical, convenient, low-power output, plug and play etc.
Fig. 2 is the schematic diagram of the EPS system architecture of support Home eNodeB, as shown in Figure 2, Home eNodeB can be directly connected to core network, also can be linked into core network by this logical ne of femto gateway, wherein, the femto gateway major function is: the fail safe of checking Home eNodeB, handle the registration of Home eNodeB, Home eNodeB is carried out operation maintenance management,, be responsible for the data between exchcange core net and the Home eNodeB according to Carrier Requirements configuration and control Home eNodeB.IAD can be S-GW, P-GW, service GPRS (General Packet Radio Service) support node (SGSN, Serving GPRS SupportNode), Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node).It can be local SGW (L-SGW that local access network closes, Local SGW), local PGW (L-PGW, LocalPGW), virtual SGW (V-SGW, Virtual SGW), virtual PGW (V-PGW, Virtual PSGW), local GGSN (L-GGSN, Local GGSN).Local access network close can and the wireless side network element close and establish or near the wireless side network element, also can and femto gateway close establish or the front yard base-station gateway of being near.
Local access network closes sets up to provide local IP is inserted providing powerful support for of (LIPA, Local IP Access) technology, for the user who supports that local IP inserts, can set up traditional IP core network visit data path and local IP and insert data path.Fig. 3 is the data flow path schematic diagram that local IP inserts and traditional IP core network is visited, as shown in Figure 3, connection for local IP access, local IP inserts data path and closes (L-SGW to wireless side network element/femto gateway to local access network from UE, L-PGW), transfer of data is without core net.In order to realize that UE inserts this locality of other IP devices of home network or internet, can set up two connections, the local IP of article one inserts the direct access internet of data path (the Internet LIPA connection).The local IP of second inserts data path and directly visits other IP devices of home network (home network LIPA connection).
With LTE (Long Term Evolution, Long Term Evolution) mobile communications network framework is example, and Fig. 3 has shown that the local IP of wireless communication system inserts the signal data flow that is connected with core net.
Fig. 4 is the flow chart that user terminal carries out service request in the prior art, as shown in Figure 4, for system architecture, local access network based on Fig. 1 close the service request procedure for the scene of L-SGW and L-PGW, specifically may further comprise the steps:
Step 401: have local IP access connection behind the user terminal access to wireless communication system and be connected with core net, after this user terminal enters Idle state.
Step 402: user terminal sends service request information through the wireless side network element to Mobility Management Entity.
Step 403: (this step is an optional step for NAS, Non-Access-Stratum) verification process to carry out Non-Access Stratum.
Step 404: Mobility Management Entity sends initial context to the wireless side network element and sets up request message.
Step 405: the wireless side network element is carried out radio bearer and is set up process.
Step 406: the wireless side network element is responded the foundation of Mobility Management Entity initial context and is finished message.
Step 407: for the core net that activates/set up user terminal connects, Mobility Management Entity request S-GW carries out bearing modification.
Step 408:S-GW sends the bearing modification request message to P-GW, and this step is an optional step.
Step 409:P-GW responds S-GW bearing modification request response results, and this step is the associated steps of step 408.
Step 410:S-GW sends the bearing modification response message to Mobility Management Entity.
Step 411: similarly, Mobility Management Entity need be initiated local IP and be inserted the activation/foundation operation that connects, and sends to L-SGW and revises bearing request message.This step can with step 407 executed in parallel.
Step 412:L-SGW sends the bearing modification request message to L-PGW, and this step is an optional step.
Step 413:L-PGW responds L-SGW bearing modification request response results, and this step is the associated steps of step 412.
Step 414:L-SGW sends the bearing modification response message to Mobility Management Entity.
By above-mentioned flow process as seen, if user terminal enters connected state under other wireless side network element, although having set up core net by above-mentioned flow process connects and being connected that local IP inserts, do not supporting under the ambulant situation, local access network closes and can't fix a point as data anchor, therefore the data of user terminal can't transfer to the local access network pass through the wireless side network element, thereby not only cause waste, the system handles burden of resource, but also will cause local IP data to transmit.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method for managing resource and device in the communication system that local IP inserts of supporting, can determine whether the network element that current local IP inserts changes according to the identification information of the network side network element in service request information or the location update request message, and can determine suitable access way, and informing network side network element for current service access.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind ofly support method for managing resource in the communication system that local IP inserts, comprising:
After receiving service request information or location update request message, Mobility Management Entity determines that according to the identification information of the wireless side network element that the local IP in described service request information or the location update request message inserts the wireless side network element that local IP inserts changes, and then sends the link information of core net to the wireless side network element; Or send core net link information and indicating user terminal to the wireless side network element and keep local IP and insert the information that connects; Or send core net link information, indicating user terminal to the wireless side network element and keep local IP and insert the link information that the information that connects and local IP insert.
Preferably, the wireless side network element that described local IP inserts comprises that local access network closes, and described Mobility Management Entity determines that the wireless side network element that local IP inserts changes, and comprising:
Whether wireless side network element ID/address of carrying in more described service request information or the location update request message or local access network close sign/address identical with the wireless side network element ID/address or the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes;
Perhaps, close under the identical situation in sign/address at wireless side network element and local access network, relatively whether the wireless side network element ID/address of carrying in service request information or the location update request message is identical with the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes.
Preferably, described method also comprises:
Described Mobility Management Entity determines that the wireless side network element that local IP inserts does not change, then send the link information of core net and the link information that local IP inserts to the wireless side network element, perhaps, send the link information of the link information of core net, local IP access and the information that indicating user terminal keeps local IP access connection to the wireless side network element.
Preferably, described Mobility Management Entity keeps local IP with link information, the indicating user terminal of core net and inserts link information that the information that connects or local IP insert and be carried on that initial context is set up request message, radio bearer is set up and sent to described network side network element in request message or the RAB allocation request message.
Preferably, described link information comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key.
Preferably, described wireless side network element comprises base station, Home eNodeB or radio network controller (RNC); Described Mobility Management Entity can be mobile management unit MME, moving exchanging center MSC or Serving GPRS Support Node SGSN.
A kind ofly support resource management apparatus in the communication system that local IP inserts, comprising:
Receiving element is used to receive service request information or location update request message;
Determining unit, the identification information that is used for the wireless side network element that the local IP according to described service request information or location update request message inserts determines that the wireless side network element that local IP inserts changes, and then triggers described first transmitting element; And
First transmitting element is used for the link information to wireless side network element transmission core net; Or send core net link information and indicating user terminal to the wireless side network element and keep local IP and insert the information that connects; Or send core net link information, indicating user terminal to the wireless side network element and keep local IP and insert the link information that the information that connects and local IP insert.
Preferably, the wireless side network element that described local IP inserts comprises that local access network closes, and described determining unit determines that the wireless side network element that local IP inserts changes, and comprising:
Whether wireless side network element ID/address of carrying in more described service request information or the location update request message or local access network close sign/address identical with the wireless side network element ID/address or the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes;
Perhaps, close under the identical situation in sign/address at wireless side network element and local access network, relatively whether the wireless side network element ID/address of carrying in service request information or the location update request message is identical with the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes.
Preferably, described device also comprises:
Second transmitting element, be used for determining that in described determining unit the wireless side network element that local IP inserts does not change, then send the link information of core net and the link information that local IP inserts to the wireless side network element, perhaps, send the link information of the link information of core net, local IP access and the information that indicating user terminal keeps local IP access connection to the wireless side network element.
Preferably, described first transmitting element, second transmitting element keep local IP with link information, the indicating user terminal of core net and insert link information that the information that connects or local IP insert and be carried on that initial context is set up request message, radio bearer is set up and sent to described network side network element in request message or the RAB allocation request message.
Preferably, described link information comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key.
Preferably, described determining unit is arranged in MME, MSC or SGSN, and described wireless side network element comprises base station, Home eNodeB or RNC.
Among the present invention, when user terminal moves, may be linked in other network elements, at this moment, user terminal sends service request information or location update request message by the network side network element to Mobility Management Entity, Mobility Management Entity receives the service request information or the location update request message of network side network element, identification information according to the network side network element that wherein carries, mate with the identification information of the local IP IAD of this locality storage, determine with this whether current local IP IAD changes, if change, because local IP IAD does not generally support to serve mobility, Mobility Management Entity will be to the information of network side network element notice core net connection, so that user terminal realizes that by core net service inserts, the present invention can be according to the network element ID information of network side reported by network elements and is served access for user terminal exactly, can not cause user terminal not serve and insert wrong situation, can not cause network side to handle the waste of resource, and when user terminal can insert local IP IAD this information of certain informing user terminal, make user terminal pass through local IP IAD and realize that service inserts, and has alleviated the pressure of core net.The present invention program realizes simple and practical.
Description of drawings
Fig. 1 is the schematic diagram of the system architecture of EPS;
Fig. 2 is the schematic diagram of the EPS system architecture of support Home eNodeB;
Fig. 3 is the data flow path schematic diagram that local IP inserts and traditional IP core network is visited;
Fig. 4 carries out the flow chart of service request for user terminal in the prior art;
Fig. 5 supports the flow chart of method for managing resource embodiment one in the communication system that local IP inserts for the present invention;
Fig. 6 supports the flow chart of method for managing resource embodiment two in the communication system that local IP inserts for the present invention;
Fig. 7 supports the flow chart of method for managing resource embodiment three in the communication system that local IP inserts for the present invention;
Fig. 8 supports the composition structural representation of resource management apparatus in the communication system that local IP inserts for the present invention.
Embodiment
Basic thought of the present invention is: when user terminal moves, may be linked in other network elements, at this moment, user terminal sends service request information or location update request message by the network side network element to Mobility Management Entity, Mobility Management Entity receives the service request information or the location update request message of network side network element, identification information according to the network side network element that wherein carries, mate with the identification information of the local IP IAD of this locality storage, determine with this whether current local IP IAD changes, if change, because local IP IAD does not generally support to serve mobility, Mobility Management Entity will be to the information of network side network element notice core net connection, so that user terminal realizes that by core net service inserts, the present invention can be according to the network element ID information of network side reported by network elements and is served access for user terminal exactly, can not cause user terminal not serve and insert wrong situation, can not cause network side to handle the waste of resource, and when user terminal can insert local IP IAD this information of certain informing user terminal, make user terminal pass through local IP IAD and realize that service inserts, and has alleviated the pressure of core net.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment one
Fig. 5 supports the flow chart of method for managing resource embodiment one in the communication system that local IP inserts for the present invention, as shown in Figure 5, be on system architecture shown in Figure 1 and local access network close basis for L-SGW and L-PGW scene, carry out service request procedure when user terminal transfers connected state to by Idle state, concrete steps are described below:
Step 501: have local IP access connection behind the user terminal access to wireless communication system and be connected with core net, after this user terminal enters Idle state.
Step 502: user terminal sends service request information through the wireless side network element to Mobility Management Entity.
Wherein the wireless side network element can carry local access network and close (L-SGW/L-PGW) sign/address information in the message that Mobility Management Entity sends, and can carry the wireless side network element ID/address of current service.
Step 503: carry out the NAS verification process, this step is an optional step.
Step 504: Mobility Management Entity judges whether the wireless side network element that local IP inserts changes, if change, then activates/sets up the core net connection and be connected with local IP access; If change, then only activate/set up core net and connect.
Judge that local IP inserts the mode whether the wireless side network element changes, be specially: can be that the local access network that carries in the service request information in the comparison step 502 closes (L-SGW/L-PGW) sign/address to close (L-SGW/L-PGW) sign/address identical with the local local access network of preserving of Mobility Management Entity, also can be whether the wireless side network element ID/address of carrying in the comparison step 502 is identical with the wireless side network element ID/address of this locality preservation; Also can be to close under the identical situation in sign/address at wireless side network element and local access network, whether the wireless side network element ID/address of carrying in the comparison step 502 be identical with the sign/address, local access network pass of this locality preservation.If it is identical that local access network closes (L-SGW/L-PGW) sign/address, the wireless side network element that then local IP inserts does not change, otherwise changes.
Step 505: Mobility Management Entity sends initial context to the wireless side network element and sets up request message.
If the wireless side network element that local IP inserts does not change, then initial context is set up request message and is carried the link information that core net connects and local IP inserts, as the Tunnel Identifier of SGW address, upstream data.
If the wireless side network element that local IP inserts changes, then initial context is set up and is carried the core net link information in the request message, as the tunnel identification information of SGW address, upstream data etc.; The link information and the informing user terminal that can carry local IP access in this message keep the indication information of the link information of this this locality IP access, so that can continue to preserve the information that local IP inserts connection after allowing user terminal transfer connected state to; Also can need not to carry local IP and insert link information in this message, this moment, user terminal also may keep the link information that local IP inserts.
Step 506: the wireless side network element is carried out radio bearer and is set up process.The wireless side network element sends to and can carry local IP in the message of user terminal and insert the indication information that link information and informing user terminal are preserved the link information that local IP inserts, and inserts the information that connects so that allow user terminal transfer to can to continue to preserve local IP behind the connected state.
Step 507: the wireless side network element is responded initial context foundation to Mobility Management Entity and is finished message.
Step 508: Mobility Management Entity request S-GW carries out bearing modification, connects so that activate/set up the core net of user terminal.
Step 509:S-GW sends the bearing modification request message to P-GW, and this step is an optional step.
Step 510:P-GW responds S-GW bearing modification request response results, and this step is the associated steps of step 509.
Step 511:S-GW sends the bearing modification response message to Mobility Management Entity.
Step 512: if the wireless side network element that local IP inserts does not change, then Mobility Management Entity need be initiated local IP and be inserted the activation/foundation operation that connects, and sends to L-SGW and revises bearing request message.This step can with step 508 executed in parallel.If the wireless side network element that local IP inserts changes, then Mobility Management Entity need not to initiate local IP and inserts the activation/foundation operation that connects, and the relevant information that local IP inserts can not discharge, and this moment, step 512 need not to carry out to 515.
Step 513:L-SGW sends the bearing modification request message to L-PGW.
Step 514:L-PGW responds L-SGW bearing modification request response results.
Step 515:L-SGW sends the bearing modification response message to Mobility Management Entity.
Embodiment two
Fig. 6 supports the flow chart of method for managing resource embodiment two in the communication system that local IP inserts for the present invention, as shown in Figure 6, be on system architecture and local access network pass the basis of Fig. 1 for L-SGW and L-PGW scene, user terminal carries out position updating process, specifically may further comprise the steps:
Step 601: user terminal sends the tracing section updating request message through the wireless side network element to Mobility Management Entity.
Wherein, the wireless side network element can carry in the tracing section updating request message that Mobility Management Entity sends and activate sign.In addition, this message can also be carried local access network and be closed (L-SGW/L-PGW) sign/address information, can also current service carry wireless side network element ID/address information.
Step 602: user terminal, Mobility Management Entity, Authentication Authorization server are carried out verification process.This step is an optional step.
Step 603: Mobility Management Entity is initiated the bearing modification request to core net S-GW.
Step 604:S-GW sends the bearing modification request message to P-GW.This step is an optional step.
Step 605:P-GW responds S-GW bearing modification request response results.This step is the associated steps of step 604.
Step 606:S-GW sends the bearing modification response message to Mobility Management Entity.
Step 607: Mobility Management Entity is initiated the bearing modification request to L-SGW.This step can with step 603 parallel processing.
Step 608:L-SGW sends the bearing modification request message to L-PGW.This step is an optional step.
Step 609:L-PGW responds L-SGW bearing modification request response results.This step is the associated steps of step 608.
Step 610:L-SGW sends the bearing modification response message to Mobility Management Entity.
Step 611: if existence activation sign in step 601 request message, then Mobility Management Entity judges whether the wireless side network element that local IP inserts changes, if change, then activates/sets up the core net connection and be connected with local IP access; If change, then only activate/set up core net and connect.
Judge that local IP inserts the method whether the wireless side network element changes: can be that the local access network that carries in the tracing section updating request message in the comparison step 601 closes (L-SGW/L-PGW) sign/address to close (L-SGW/L-PGW) sign/address identical with the local access network that preserves this locality, also can be whether wireless side network element ID/address that the tracing section updating request message carries in the comparison step 601 is identical with the wireless side network element ID/address of this locality preservation; Also can be to close under the identical situation in sign/address at wireless side network element and local access network, whether wireless side network element ID/address that the tracing section updating request message carries in the comparison step 601 be identical with the sign/address, local access network pass of this locality preservation.If it is identical that local access network closes (L-SGW/L-PGW) sign/address, the wireless side network element that then local IP inserts does not change, otherwise changes.
Step 612: Mobility Management Entity sends initial context foundation request/radio bearer to the wireless side network element and sets up request message.
If the wireless side network element that local IP inserts does not change, then this message is carried the link information that core net connects and local IP inserts, as the Tunnel Identifier of SGW address, upstream data.
If the wireless side network element that local IP inserts changes, then initial context foundation request/radio bearer is set up request message and is carried the core net link information, as the Tunnel Identifier of S-GW address, upstream data; In this message, can carry local IP access link information and informing user terminal and keep the indication information that this this locality IP inserts link information, so that can continue to preserve the information that local IP inserts connection after allowing user terminal transfer connected state to; Set up request/radio bearer at initial context and set up and also can need not to carry local IP in the request message and insert link information, this moment, user terminal also may keep the information that local IP inserts connection.
Step 613: the wireless side network element is carried out radio bearer and is set up process.The wireless side network element sends to and can carry in the message of user terminal that local IP inserts link information and informing user terminal keeps the indication of this information, inserts the information that connects so that allow user terminal transfer to can to continue to preserve local IP behind the connected state.
Step 614: the wireless side network element respond the Mobility Management Entity initial context set up finish/radio bearer sets up and finishes message.
Step 615: Mobility Management Entity request S-GW carries out bearing modification, connects so that activate/set up the core net of user terminal; S-GW sends the bearing modification response message to Mobility Management Entity.Alternatively, S-GW sends the bearing modification request message to P-GW.
Step 616: if the wireless side network element that local IP inserts does not change, then Mobility Management Entity need be initiated local IP and be inserted activation/the foundations operation that connects, and sends the modification bearing request message to L-SGW, can with step 615 executed in parallel.If the wireless side network element that local IP inserts changes, then Mobility Management Entity need not to initiate local IP and inserts the activation/foundation operation that connects, and the relevant information that local IP inserts can not discharge, and this moment, this step 616 need not to carry out.
Embodiment three
Fig. 7 supports the flow chart of method for managing resource embodiment three in the communication system that local IP inserts for the present invention, as shown in Figure 7, be that system architecture, local access network at Fig. 1 closed to L-GGSN, Mobility Management Entity and be SGSN and adopt on the basis of direct tunnel scene, carry out service request procedure when user terminal transfers connected state to by Idle state, specifically may further comprise the steps:
Step 701: user terminal sends service request information through the wireless side network element to Mobility Management Entity, carries COS.
Wherein, the wireless side network element can carry local access network and close (L-GGSN) sign/address in the service request information that Mobility Management Entity sends, also can carry the wireless side network element ID/address of current service.
Step 702: Mobility Management Entity is carried out safety function, and this step is an optional step.
Step 703: Mobility Management Entity judges whether the wireless side network element that local IP inserts changes, if change, then activates/sets up the core net connection and be connected with local IP access; If change, then only activate/set up core net and connect.
Judge that the method whether local IP access wireless side network element changes is: can be whether (L-GGSN) sign/address, local access network pass that service request information is carried in the comparison step 701 is identical with (L-GGSN) sign/address, local access network pass of this locality preservation, also can be whether wireless side network element ID/address that service request information is carried in the comparison step 701 is identical with the wireless side network element ID/address of this locality preservation, also can be to close under the identical situation in sign/address at wireless side network element and local access network, whether wireless side network element ID/address that service request information is carried in the comparison step 701 be identical with the sign/address, local access network pass of this locality preservation.If it is identical that local access network closes (L-SGW/L-PGW) sign/address, the wireless side network element that then local IP inserts does not change, otherwise changes.
Step 704: if the COS in step 701 service request information is designated as data, then Mobility Management Entity sends the RAB allocation request message.
If the wireless side network element that local IP inserts does not change, then this message is carried the link information that core net connects and local IP inserts, as the Tunnel Identifier of GGSN address, upstream data.
If the wireless side network element that local IP inserts changes, then this RAB allocation request message is carried the core net link information, as the Tunnel Identifier of GGSN address, upstream data; In this RAB allocation request message, can carry local IP access link information and informing user terminal and keep the indication information that local IP inserts link information, so that can continue to preserve the information that local IP inserts connection after allowing user terminal transfer connected state to; Also can need not to carry local IP and insert link information in this RAB allocation request message, this moment, user terminal also may keep the information that local IP inserts connection.
Step 705: the wireless side network element is carried out radio bearer and is set up process.The wireless side network element sends to and can carry in the message of user terminal that local IP inserts link information and informing user terminal keeps the indication of this information, inserts the information that connects so that allow user terminal transfer to can to continue to preserve local IP behind the connected state.
Step 706: the wireless side network element is responded Mobility Management Entity RAB assignment response message.
Step 707: Mobility Management Entity is initiated packet data protocol (PDP, PacketData Protocol) the contextual modifications flow process that core net connects.
Step 708: if the wireless side network element that local IP inserts does not change, then Mobility Management Entity need be initiated local IP and be inserted the PDP context modification flow process that connects, and this step can be parallel with step 707.If the wireless side network element that local IP inserts changes, then Mobility Management Entity need not to initiate local IP and inserts the PDP context modification flow process that connects, and the relevant information that local IP inserts can not discharge, and this moment, this step need not to carry out.
In order to simplify description, more than three embodiment be that example illustrates the mode that realizes resource management after user terminal transfers connected state to only with the situation that does not have femto gateway.Exist the situation, local access network of femto gateway to close the scene of having only L-SGW and the position that MME changes, S-GW changes more under the new scene, whether the wireless side network element that still needs Mobility Management Entity (SGSN or MME) to judge that local IP inserts changes, if change, then activate/set up the core net connection and be connected with local IP access; If change, then only activate/set up core net and connect, so that implement resource management.Certainly, when having femto gateway, the message between Mobility Management Entity and the wireless side network element will be via the femto gateway transmission.In these cases, realize that after user terminal transfers connected state to the mode of resource management is very similar to the foregoing description, can not impact, so no longer be repeated in this description at this to setting forth the present invention.
Among the above embodiment, the wireless side network element can be base station, Home eNodeB, radio network controller (RNC, Radio Network Controller).Mobility Management Entity can be mobile management unit (MME, Mobility Management Entity), (MSC of mobile switching centre, Mobile Switching Centre), service GPRS (General Packet Radio Service) support node (SGSN, Serving GPRSSupport Node).It can be L-SGW and L-PGW that local access network closes, and can be independent L-PGW, can be L-GGSN and L-SGSN, can be independent L-GGSN.The core net IAD can be S-GW, P-GW, SGSN, GGSN.Tunnel Identifier can be Tunnel End Point Identifier (TEID, TunnelEnd Point Identifier), Generic Routing Encapsulation key (GRE Key, Generic RoutingEncapsulation Key) etc.The wireless side network element that local IP inserts can to close the address identical with local access network.User terminal is found to be connected to local IP and is inserted in service request or position updating process, then keep local IP and insert link information.It can be tracing section updating, Routing Area Update that the position is upgraded.The link information that keeps local IP access is meant link information, the tunnel information that the local IP when user terminal, Mobility Management Entity and IAD keep the user terminal Idle state inserts.
Fig. 8 supports the composition structural representation of resource management apparatus in the communication system that local IP inserts for the present invention, as shown in Figure 8, the present invention supports that resource management apparatus comprises receiving element 80, determining unit 81 and first transmitting element 82 in the communication system that local IP inserts, wherein, receiving element 80 is used to receive service request information or location update request message; Determining unit 81 is used for determining that according to the identification information of the wireless side network element of the local IP access of described service request information or location update request message the wireless side network element that local IP inserts changes, and then triggers first transmitting element 82; First transmitting element 82 is used for sending to the wireless side network element link information of core net; Or send core net link information and indicating user terminal to the wireless side network element and keep local IP and insert the information that connects; Or send core net link information, indicating user terminal to the wireless side network element and keep local IP and insert the link information that the information that connects and local IP insert.The wireless side network element that described local IP inserts comprises that local access network closes, determining unit 81 determines that the wireless side network element that local IP inserts changes, comprise: whether wireless side network element ID/address of carrying in more described service request information or the location update request message or local access network close sign/address identical with the wireless side network element ID/address or the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes; Perhaps, close under the identical situation in sign/address at wireless side network element and local access network, relatively whether the wireless side network element ID/address of carrying in service request information or the location update request message is identical with the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes.Described link information comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key.Determining unit 81 is arranged in MME, MSC or SGSN, and described wireless side network element comprises base station, Home eNodeB or RNC.
As shown in Figure 8, the present invention supports that resource management apparatus also comprises second transmitting element 83 in the communication system that local IP inserts, be used for determining that in determining unit 81 the wireless side network element that local IP inserts does not change, then send the link information of core net and the link information that local IP inserts to the wireless side network element, perhaps, send the link information of the link information of core net, local IP access and the information that indicating user terminal keeps local IP access connection to the wireless side network element.First transmitting element 82, second transmitting element 83 keep local IP with link information, the indicating user terminal of core net and insert link information that the information that connects or local IP insert and be carried on that initial context is set up request message, radio bearer is set up and sent to described network side network element in request message or the RAB allocation request message.
Those skilled in the art are to be understood that, resource management apparatus is to be provided with for method for managing resource in the communication system that realizes the local IP access of aforesaid support in the communication system that the local IP of support shown in Figure 8 inserts, the function of each processing unit can be understood to the description of method shown in Figure 7 with reference to Fig. 5 in the device shown in Figure 8, the function of each processing unit can realize by the program that runs on the processor, also can realize by concrete logical circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (12)
1. support method for managing resource in the communication system that local IP inserts for one kind, it is characterized in that, comprising:
After receiving service request information or location update request message, Mobility Management Entity determines that according to the identification information of the wireless side network element that the local IP in described service request information or the location update request message inserts the wireless side network element that local IP inserts changes, and then sends the link information of core net to the wireless side network element; Or send core net link information and indicating user terminal to the wireless side network element and keep local IP and insert the information that connects; Or send core net link information, indicating user terminal to the wireless side network element and keep local IP and insert the link information that the information that connects and local IP insert.
2. method according to claim 1 is characterized in that, the wireless side network element that described local IP inserts comprises that local access network closes, and described Mobility Management Entity determines that the wireless side network element that local IP inserts changes, and comprising:
Whether wireless side network element ID/address of carrying in more described service request information or the location update request message or local access network close sign/address identical with the wireless side network element ID/address or the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes;
Perhaps, close under the identical situation in sign/address at wireless side network element and local access network, relatively whether the wireless side network element ID/address of carrying in service request information or the location update request message is identical with the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes.
3. method according to claim 1 is characterized in that, described method also comprises:
Described Mobility Management Entity determines that the wireless side network element that local IP inserts does not change, then send the link information of core net and the link information that local IP inserts to the wireless side network element, perhaps, send the link information of the link information of core net, local IP access and the information that indicating user terminal keeps local IP access connection to the wireless side network element.
4. according to each described method in the claim 1 to 3, it is characterized in that described Mobility Management Entity keeps local IP with link information, the indicating user terminal of core net and inserts link information that the information that connects or local IP insert and be carried on that initial context is set up request message, radio bearer is set up and sent to described network side network element in request message or the RAB allocation request message.
5. method according to claim 4 is characterized in that described link information comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key.
6. method according to claim 4 is characterized in that, described wireless side network element comprises base station, Home eNodeB or radio network controller (RNC); Described Mobility Management Entity can be mobile management unit MME, moving exchanging center MSC or Serving GPRS Support Node SGSN.
7. support resource management apparatus in the communication system that local IP inserts for one kind, it is characterized in that, comprising:
Receiving element is used to receive service request information or location update request message;
Determining unit, the identification information that is used for the wireless side network element that the local IP according to described service request information or location update request message inserts determines that the wireless side network element that local IP inserts changes, and then triggers described first transmitting element; And
First transmitting element is used for the link information to wireless side network element transmission core net; Or send core net link information and indicating user terminal to the wireless side network element and keep local IP and insert the information that connects; Or send core net link information, indicating user terminal to the wireless side network element and keep local IP and insert the link information that the information that connects and local IP insert.
8. device according to claim 7 is characterized in that, the wireless side network element that described local IP inserts comprises that local access network closes, and described determining unit determines that the wireless side network element that local IP inserts changes, and comprising:
Whether wireless side network element ID/address of carrying in more described service request information or the location update request message or local access network close sign/address identical with the wireless side network element ID/address or the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes;
Perhaps, close under the identical situation in sign/address at wireless side network element and local access network, relatively whether the wireless side network element ID/address of carrying in service request information or the location update request message is identical with the sign/address, local access network pass of this locality preservation, do not determine simultaneously that the wireless side network element that local IP inserts changes.
9. device according to claim 7 is characterized in that, described device also comprises:
Second transmitting element, be used for determining that in described determining unit the wireless side network element that local IP inserts does not change, then send the link information of core net and the link information that local IP inserts to the wireless side network element, perhaps, send the link information of the link information of core net, local IP access and the information that indicating user terminal keeps local IP access connection to the wireless side network element.
10. device according to claim 9, it is characterized in that described first transmitting element, second transmitting element keep local IP with link information, the indicating user terminal of core net and insert link information that the information that connects or local IP insert and be carried on that initial context is set up request message, radio bearer is set up and sent to described network side network element in request message or the RAB allocation request message.
11. according to each described device in the claim 7 to 10, it is characterized in that described link information comprises the Tunnel Identifier of access gateway address, upstream data, described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key.
12. device according to claim 11 is characterized in that, described determining unit is arranged in MME, MSC or SGSN, and described wireless side network element comprises base station, Home eNodeB or RNC.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910162636.5A CN101998365B (en) | 2009-08-14 | 2009-08-14 | Method and device for source management of communication system supporting local IP access |
| PCT/CN2010/074105 WO2011017979A1 (en) | 2009-08-14 | 2010-06-18 | Resource management method and device in a communication system supporting the ip shunting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910162636.5A CN101998365B (en) | 2009-08-14 | 2009-08-14 | Method and device for source management of communication system supporting local IP access |
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| Publication Number | Publication Date |
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| CN101998365A true CN101998365A (en) | 2011-03-30 |
| CN101998365B CN101998365B (en) | 2014-12-10 |
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| CN200910162636.5A Expired - Fee Related CN101998365B (en) | 2009-08-14 | 2009-08-14 | Method and device for source management of communication system supporting local IP access |
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| CN (1) | CN101998365B (en) |
| WO (1) | WO2011017979A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012083535A1 (en) * | 2010-12-22 | 2012-06-28 | 华为技术有限公司 | Processing method, device and network system for mobility management of local internet protocol access public data network |
| WO2012130047A1 (en) * | 2011-04-01 | 2012-10-04 | 中兴通讯股份有限公司 | Method and system for obtaining local gateway ip address |
| WO2012167480A1 (en) * | 2011-07-18 | 2012-12-13 | 华为技术有限公司 | Method, device and system for detecting and establishing local route |
| WO2012174976A1 (en) * | 2011-06-24 | 2012-12-27 | 中兴通讯股份有限公司 | Ip shunt connection processing method, device and system |
| WO2014169578A1 (en) * | 2013-08-28 | 2014-10-23 | 中兴通讯股份有限公司 | Handover processing method, and access network information processing method and device |
| WO2015058339A1 (en) * | 2013-10-21 | 2015-04-30 | 华为技术有限公司 | Routing method between base stations, serving gateway and base station |
| US9882803B2 (en) | 2012-02-22 | 2018-01-30 | Zte Corporation | Method and system for implementing local IP service |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114927A (en) * | 2006-07-24 | 2008-01-30 | 华为技术有限公司 | System and method for implementing load balancing |
| CN101114928B (en) * | 2006-07-24 | 2011-04-20 | 华为技术有限公司 | System and method for implementing load balancing |
| CN101272318B (en) * | 2007-03-20 | 2011-11-30 | 中兴通讯股份有限公司 | Method for preventing false resource release in tracing section updating or switching course |
| KR100942799B1 (en) * | 2007-12-10 | 2010-02-18 | 한국전자통신연구원 | System and method for efficiently handling and management of the traffic |
-
2009
- 2009-08-14 CN CN200910162636.5A patent/CN101998365B/en not_active Expired - Fee Related
-
2010
- 2010-06-18 WO PCT/CN2010/074105 patent/WO2011017979A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012083535A1 (en) * | 2010-12-22 | 2012-06-28 | 华为技术有限公司 | Processing method, device and network system for mobility management of local internet protocol access public data network |
| CN102740282B (en) * | 2011-04-01 | 2017-11-21 | 中兴通讯股份有限公司 | A kind of method and system for the IP address for obtaining local gateway |
| WO2012130047A1 (en) * | 2011-04-01 | 2012-10-04 | 中兴通讯股份有限公司 | Method and system for obtaining local gateway ip address |
| CN102740282A (en) * | 2011-04-01 | 2012-10-17 | 中兴通讯股份有限公司 | Method and system for acquiring IP address of local gateway |
| WO2012174976A1 (en) * | 2011-06-24 | 2012-12-27 | 中兴通讯股份有限公司 | Ip shunt connection processing method, device and system |
| WO2012167480A1 (en) * | 2011-07-18 | 2012-12-13 | 华为技术有限公司 | Method, device and system for detecting and establishing local route |
| US9882803B2 (en) | 2012-02-22 | 2018-01-30 | Zte Corporation | Method and system for implementing local IP service |
| CN104427565A (en) * | 2013-08-28 | 2015-03-18 | 中兴通讯股份有限公司 | Switching processing method, access network information processing method and device |
| WO2014169578A1 (en) * | 2013-08-28 | 2014-10-23 | 中兴通讯股份有限公司 | Handover processing method, and access network information processing method and device |
| WO2015058339A1 (en) * | 2013-10-21 | 2015-04-30 | 华为技术有限公司 | Routing method between base stations, serving gateway and base station |
| CN105122888A (en) * | 2013-10-21 | 2015-12-02 | 华为技术有限公司 | Routing method between base stations, serving gateway and base station |
| US9942928B2 (en) | 2013-10-21 | 2018-04-10 | Huawei Technologies Co., Ltd. | Routing method between base stations, serving gateway, and base station |
| CN105122888B (en) * | 2013-10-21 | 2019-05-24 | 华为技术有限公司 | Method for routing, gateway and base station between base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101998365B (en) | 2014-12-10 |
| WO2011017979A1 (en) | 2011-02-17 |
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