CN101998365B - 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 PDF

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Publication number
CN101998365B
CN101998365B CN200910162636.5A CN200910162636A CN101998365B CN 101998365 B CN101998365 B CN 101998365B CN 200910162636 A CN200910162636 A CN 200910162636A CN 101998365 B CN101998365 B CN 101998365B
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China
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access
local
network
wireless
information
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CN200910162636.5A
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CN101998365A (en
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周娜
霍玉臻
宗在峰
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ZTE Corp
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ZTE Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04Network 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

Support method for managing resource and device in the communication system of local IP access
Technical field
The present invention relates to the resource management techniques in wireless communication system, relate in particular to method for managing resource and device in a kind of communication system of supporting local IP access.
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 composition.
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 the chain of command such as processing and the contextual management of user's mobile management of mobile management, Non-Access Stratum signaling; IAD comprises S-GW and P-GW, and S-GW is the accessing gateway equipment being connected with E-UTRAN, forwarding data between E-UTRAN and P-GW, and be responsible for the pending datas such as paging to carry out buffer memory; P-GW is the borde gateway of EPS and packet data network (PDN, Packet Data Network) network, is responsible for the access of PDN and the function such as forwarding data between EPS and PDN; Authentication Authorization server comprises HSS, 3GPP AAA; PCRF is "Policy and Charging Rules Function entity, it is connected with operator IP operation network by receiving interface Rx, obtain business information, in addition, it is connected with the gateway device in network by Gx/Gxa/Gxc interface, is responsible for initiating the foundation of IP carrying, ensures the service quality (QoS of business datum, Qualityof Service), and carry out charging control.
As the one of new access service mode, Home eNodeB is a kind of small-sized, lower powered base station, be deployed in the indoor place such as family and office, Main Function is to use the needed expense of high rate services for higher service rate being provided to user and reducing, and makes up 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 supporting the EPS system architecture of 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, femto gateway major function is: the fail safe of checking Home eNodeB, process the registration of Home eNodeB, Home eNodeB is carried out to operation maintenance management, according to Carrier Requirements configuration and control Home eNodeB, be responsible for the data between exchcange core net and 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 wireless side network element close and establish or near wireless side network element, also can and femto gateway close and establish or near femto gateway.
What local access network closed sets up can provide local IP access (LIPA, Local IP Access) the providing powerful support for of technology, for the user who supports local IP access, can set up traditional IP core network visit data path and local IP access data path.Fig. 3 is the data flow path schematic diagram of local IP access and the access of traditional IP core network, as shown in Figure 3, for the connection of local IP access, (L-SGW is closed in local IP access data path from UE to wireless side network element/femto gateway to local access network, L-PGW), transfer of data is without core net.In order to realize this locality access of UE to other IP devices of home network or internet, can set up two connections, the Internet (the Internet LIPA connection) is directly accessed in the local IP access data of Article 1 path.Other IP devices of home network (home network LIPA connection) are directly accessed in the local IP access data of Article 2 path.
Be example with LTE (Long Term Evolution, Long Term Evolution) mobile communications network framework, Fig. 3 has shown that the local IP of wireless communication system accesses the signal data flow being connected with core net.
Fig. 4 is the flow chart that in prior art, user terminal carries out service request, as shown in Figure 4, for the system architecture based on Fig. 1, local access network close the service request procedure for the scene of L-SGW and L-PGW, specifically comprises the following steps:
Step 401: have local IP access connection after 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 wireless side network element to Mobility Management Entity.
Step 403: carry out Non-Access Stratum (NAS, Non-Access-Stratum) verification process, this step is optional step.
Step 404: Mobility Management Entity sends initial context to wireless side network element and sets up request message.
Step 405: wireless side network element is carried out radio bearer process of establishing.
Step 406: wireless side network element is responded Mobility Management Entity initial context and set up 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 bearing modification request message to P-GW, and this step is optional step.
Step 409:P-GW responds S-GW bearing modification request response results, the associated steps that this step is step 408.
Step 410:S-GW sends bearing modification response message to Mobility Management Entity.
Step 411: similarly, Mobility Management Entity need to be initiated activation/foundation operation that local IP access connects, and sends amendment bearing request message to L-SGW.This step can with step 407 executed in parallel.
Step 412:L-SGW sends bearing modification request message to L-PGW, and this step is optional step.
Step 413:L-PGW responds L-SGW bearing modification request response results, the associated steps that this step is step 412.
Step 414:L-SGW sends bearing modification response message to Mobility Management Entity.
From above-mentioned flow process, if user terminal enters connected state under other wireless side network element, although set up by above-mentioned flow process the connection that core net connects and local IP accesses, do not supporting in ambulant situation, local access network closes and cannot fix a point as data anchor, therefore the data of user terminal cannot transfer to local access network pass through wireless side network element, thereby not only cause the waste of resource, system processing load to increase the weight of, 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 method for managing resource and device in a kind of communication system of supporting local IP access, can determine whether the network element of current local IP access changes according to the identification information of the network side network element in service request information or location update request message, and can determine suitable access way for current service access, and informing network side network element.
For achieving the above object, technical scheme of the present invention is achieved in that
Support a method for managing resource in the communication system of local IP access, comprising:
Receive after service request information or location update request message, Mobility Management Entity determines that according to the identification information of the wireless side network element of the local IP access in described service request information or location update request message the wireless side network element of local IP access changes, and sends the link information of core net to wireless side network element; Or retain to wireless side network element transmission core net link information and indicating user terminal the information that local IP access connects; Or retain the information of local IP access connection and the link information of local IP access to wireless side network element transmission core net link information, indicating user terminal.
Preferably, the wireless side network element of described local IP access comprises that local access network closes, and described Mobility Management Entity determines that the wireless side network element of local IP access changes, and comprising:
It is identical that the wireless side network element ID/address of carrying in more described service request information or location update request message or local access network close wireless side network element ID/address or the mark/address, local access network pass of whether preserving with this locality mark/address, determines that the wireless side network element of local IP access changes when different;
Or, in the situation that wireless side network element is identical with mark/address, local access network pass, it is identical that the local access network whether preserve with this locality the wireless side network element ID/address of relatively carrying in service request information or location update request message closes mark/address, determines that the wireless side network element of local IP access changes when different.
Preferably, described method also comprises:
Described Mobility Management Entity determines that the wireless side network element of local IP access does not change, send the link information of core net and the link information of local IP access to wireless side network element, or the link information from local IP access to wireless side network element and the indicating user terminal that send the link information of core net, retain the information that local IP access connects.
Preferably, the link information that the link information of core net, indicating user terminal are retained information that local IP access connects or local IP access by described Mobility Management Entity is carried on initial context and sets up request message, radio bearer and set up and in request message or RAB allocation request message, send to described network side network element.
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.
Support a resource management apparatus in the communication system of local IP access, comprising:
Receiving element, for receiving service request information or location update request message;
Determining unit, 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 of local IP access changes, and triggers described the first transmitting element; And
The first transmitting element, for sending the link information of core net to wireless side network element; Or retain to wireless side network element transmission core net link information and indicating user terminal the information that local IP access connects; Or retain the information of local IP access connection and the link information of local IP access to wireless side network element transmission core net link information, indicating user terminal.
Preferably, the wireless side network element of described local IP access comprises that local access network closes, and described determining unit determines that the wireless side network element of local IP access changes, and comprising:
It is identical that the wireless side network element ID/address of carrying in more described service request information or location update request message or local access network close wireless side network element ID/address or the mark/address, local access network pass of whether preserving with this locality mark/address, determines that the wireless side network element of local IP access changes when different;
Or, in the situation that wireless side network element is identical with mark/address, local access network pass, it is identical that the local access network whether preserve with this locality the wireless side network element ID/address of relatively carrying in service request information or location update request message closes mark/address, determines that the wireless side network element of local IP access changes when different.
Preferably, described device also comprises:
The second transmitting element, do not change for the wireless side network element of determining local IP access in described determining unit, send the link information of core net and the link information of local IP access to wireless side network element, or the link information from local IP access to wireless side network element and the indicating user terminal that send the link information of core net, retain the information that local IP access connects.
Preferably, the link information that the link information of core net, indicating user terminal are retained information that local IP access connects or local IP access by described the first transmitting element, the second transmitting element is carried on initial context and sets up request message, radio bearer and set up and in request message or RAB allocation request message, send to described network side network element.
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.
In the present invention, in the time that user terminal moves, may be linked in other network elements, now, user terminal sends service request information or location update request message by network side network element to Mobility Management Entity, Mobility Management Entity receives service request information or the location update request message of network side network element, according to the identification information of the network side network element wherein carrying, the identification information of the local IP IAD of storing with this locality mates, determine with this whether current local IP IAD changes, if changed, because local IP IAD is not generally supported service mobility, Mobility Management Entity is by the information connecting to network side network element notice core net, so that user terminal is realized service access by core net, the present invention can be according to the network element ID information of network side reported by network elements and exactly for user terminal be served access, can not cause user terminal can not serve the wrong situation of access, can not cause network side to process the waste of resource, and in the time that user terminal can access local IP IAD this information of certain informing user terminal, make user terminal pass through local IP IAD and realize service access, alleviate the pressure of core net.The present invention program realizes simple and practical.
Brief description of the drawings
Fig. 1 is the schematic diagram of the system architecture of EPS;
Fig. 2 is the schematic diagram of supporting the EPS system architecture of Home eNodeB;
Fig. 3 is the data flow path schematic diagram of local IP access and the access of traditional IP core network;
Fig. 4 is the flow chart that in prior art, user terminal carries out service request;
Fig. 5 is the flow chart that the present invention supports method for managing resource embodiment mono-in the communication system of local IP access;
Fig. 6 is the flow chart that the present invention supports method for managing resource embodiment bis-in the communication system of local IP access;
Fig. 7 is the flow chart that the present invention supports method for managing resource embodiment tri-in the communication system of local IP access;
Fig. 8 is the composition structural representation that the present invention supports resource management apparatus in the communication system of local IP access.
Embodiment
Basic thought of the present invention is: in the time that user terminal moves, may be linked in other network elements, now, user terminal sends service request information or location update request message by network side network element to Mobility Management Entity, Mobility Management Entity receives service request information or the location update request message of network side network element, according to the identification information of the network side network element wherein carrying, the identification information of the local IP IAD of storing with this locality mates, determine with this whether current local IP IAD changes, if changed, because local IP IAD is not generally supported service mobility, Mobility Management Entity is by the information connecting to network side network element notice core net, so that user terminal is realized service access by core net, the present invention can be according to the network element ID information of network side reported by network elements and exactly for user terminal be served access, can not cause user terminal can not serve the wrong situation of access, can not cause network side to process the waste of resource, and in the time that user terminal can access local IP IAD this information of certain informing user terminal, make user terminal pass through local IP IAD and realize service access, alleviate the pressure of core net.
For making the object, 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 mono-
Fig. 5 is the flow chart that the present invention supports method for managing resource embodiment mono-in the communication system of local IP access, as shown in Figure 5, to close on the basis for L-SGW and L-PGW scene in the system architecture shown in Fig. 1 and local access network, when user terminal transfers connected state to by Idle state, carry out service request procedure, concrete steps are described below:
Step 501: have local IP access connection after 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 wireless side network element to Mobility Management Entity.
In the message that wherein wireless side network element sends to Mobility Management Entity, can carry local access network and close (L-SGW/L-PGW) mark/address information, can carry the wireless side network element ID/address of current service.
Step 503: carry out NAS verification process, this step is optional step.
Step 504: Mobility Management Entity judges whether the wireless side network element of local IP access changes, if do not changed, activates/sets up core net connection and be connected with local IP access; If changed, only activate/set up core net and connect.
Judge the mode whether local IP access wireless side network element changes, be specially: can be that the local access network that carries in the service request information in comparison step 502 closes (L-SGW/L-PGW) mark/address to close (L-SGW/L-PGW) mark/address identical with the local local access network of preserving of Mobility Management Entity, can be also whether the wireless side network element ID/address of carrying in comparison step 502 is identical with the wireless side network element ID/address of this locality preservation; Also can be that it is identical that the local access network whether preserve with this locality the wireless side network element ID/address of carrying in comparison step 502 closes mark/address in the situation that wireless side network element is identical with mark/address, local access network pass.If it is identical that local access network closes (L-SGW/L-PGW) mark/address, the wireless side network element of local IP access does not change, otherwise changes.
Step 505: Mobility Management Entity sends initial context to wireless side network element and sets up request message.
If the wireless side network element of local IP access does not change, initial context is set up request message and is carried the link information that core net connects and local IP accesses, as the Tunnel Identifier of SGW address, upstream data.
If the wireless side network element of local IP access changes, initial context is set up and in request message, is carried core net link information, as the tunnel identification information of SGW address, upstream data etc.; Link information and the informing user terminal that in this message, can carry local IP access retain the indication information of the link information of this this locality IP access, to can continue to preserve the information that local IP access connects after allowing user terminal transfer connected state to; Also can be without carrying local IP access link information in this message, now user terminal also may retain the link information of local IP access.
Step 506: wireless side network element is carried out radio bearer process of establishing.Wireless side network element sends to and in the message of user terminal, can carry local IP access link information and informing user terminal is preserved the indication information of the link information of local IP access, to can continue to preserve the information that local IP access connects after allowing user terminal transfer connected state to.
Step 507: wireless side network element is responded initial context to Mobility Management Entity and set up message.
Step 508: Mobility Management Entity request S-GW carries out bearing modification, connects to activate/set up the core net of user terminal.
Step 509:S-GW sends bearing modification request message to P-GW, and this step is optional step.
Step 510:P-GW responds S-GW bearing modification request response results, the associated steps that this step is step 509.
Step 511:S-GW sends bearing modification response message to Mobility Management Entity.
Step 512: if the wireless side network element of local IP access does not change, Mobility Management Entity need to be initiated activation/foundation operation that local IP access connects, and sends amendment bearing request message to L-SGW.This step can with step 508 executed in parallel.If the wireless side network element of local IP access changes, Mobility Management Entity is without activation/foundations operation of initiating local IP access and connecting, and the relevant information that local IP accesses can not discharge, now step 512 to 515 without execution.
Step 513:L-SGW sends bearing modification request message to L-PGW.
Step 514:L-PGW responds L-SGW bearing modification request response results.
Step 515:L-SGW sends bearing modification response message to Mobility Management Entity.
Embodiment bis-
Fig. 6 is the flow chart that the present invention supports method for managing resource embodiment bis-in the communication system of local IP access, as shown in Figure 6, to close on the basis for L-SGW and L-PGW scene at system architecture and the local access network of Fig. 1, user terminal carries out position updating process, specifically comprises the following steps:
Step 601: user terminal sends tracing section updating request message through wireless side network element to Mobility Management Entity.
Wherein, in the tracing section updating request message that wireless side network element sends to Mobility Management Entity, can carry and activate mark.In addition, this message can also be carried local access network and be closed (L-SGW/L-PGW) mark/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 optional step.
Step 603: Mobility Management Entity is initiated bearing modification request to core net S-GW.
Step 604:S-GW sends bearing modification request message to P-GW.This step is 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 bearing modification response message to Mobility Management Entity.
Step 607: Mobility Management Entity is initiated bearing modification request to L-SGW.This step can with step 603 parallel processing.
Step 608:L-SGW sends bearing modification request message to L-PGW.This step is 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 bearing modification response message to Mobility Management Entity.
Step 611: if existence activates mark in step 601 request message, Mobility Management Entity judges whether the wireless side network element of local IP access changes, if do not changed, activates/sets up core net connection and be connected with local IP access; If changed, only activate/set up core net and connect.
Judge the method whether local IP access wireless side network element changes: can be that the local access network that carries in tracing section updating request message in comparison step 601 closes the local access network of whether preserving with this locality (L-SGW/L-PGW) mark/address to close (L-SGW/L-PGW) mark/address identical, can be also whether wireless side network element ID/address that in comparison step 601, tracing section updating request message carries is identical with the wireless side network element ID/address of this locality preservation; Also can be that it is identical that the local access network whether preserve with this locality wireless side network element ID/address that in comparison step 601, tracing section updating request message carries closes mark/address in the situation that wireless side network element is identical with mark/address, local access network pass.If it is identical that local access network closes (L-SGW/L-PGW) mark/address, the wireless side network element of local IP access does not change, otherwise changes.
Step 612: Mobility Management Entity sends initial context foundation request/radio bearer to wireless side network element and sets up request message.
If the wireless side network element of local IP access does not change, this message is carried the link information that core net connects and local IP accesses, as the Tunnel Identifier of SGW address, upstream data.
If the wireless side network element of local IP access changes, initial context foundation request/radio bearer is set up request message and is carried 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 retain the indication information of this this locality IP access link information, to can continue to preserve the information that local IP access connects after allowing user terminal transfer connected state to; Also can be without carrying local IP access link information in initial context foundation request/radio bearer is set up request message, now user terminal also may retain the information that local IP access connects.
Step 613: wireless side network element is carried out radio bearer process of establishing.Wireless side network element sends to and in the message of user terminal, can carry local IP access link information and informing user terminal retains the instruction of this information, to can continue to preserve the information that local IP access connects after allowing user terminal transfer connected state to.
Step 614: wireless side network element is responded set up/radio bearer of Mobility Management Entity initial context and set up message.
Step 615: Mobility Management Entity request S-GW carries out bearing modification, connects to activate/set up the core net of user terminal; S-GW sends bearing modification response message to Mobility Management Entity.Alternatively, S-GW sends bearing modification request message to P-GW.
Step 616: if the wireless side network element of local IP access does not change, Mobility Management Entity need to be initiated activation/foundations operation that local IP access connects, sends and revises bearing request message to L-SGW, can with step 615 executed in parallel.If the wireless side network element of local IP access changes, Mobility Management Entity is without activation/foundation operation of initiating local IP access connection, and the relevant information of local IP access can not discharge, and now this step 616 is without execution.
Embodiment tri-
Fig. 7 is the flow chart that the present invention supports method for managing resource embodiment tri-in the communication system of local IP access, as shown in Figure 7, to be that L-GGSN, Mobility Management Entity are SGSN and adopt on the basis of direct tunnel scene in system architecture, the local access network pass of Fig. 1, when user terminal transfers connected state to by Idle state, carry out service request procedure, specifically comprise the following steps:
Step 701: user terminal sends service request information through wireless side network element to Mobility Management Entity, carries COS.
Wherein, in the service request information that wireless side network element sends to Mobility Management Entity, can carry local access network and close (L-GGSN) mark/address, 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 optional step.
Step 703: Mobility Management Entity judges whether the wireless side network element of local IP access changes, if do not changed, activates/sets up core net connection and be connected with local IP access; If changed, 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) mark/address, local access network pass that in comparison step 701, service request information is carried is identical with (L-GGSN) mark/address, local access network pass of this locality preservation, also can be whether wireless side network element ID/address that in comparison step 701, service request information is carried is identical with the wireless side network element ID/address of this locality preservation, also can be in the situation that wireless side network element is identical with mark/address, local access network pass, it is identical that the local access network whether preserve with this locality wireless side network element ID/address that in comparison step 701, service request information is carried closes mark/address.If it is identical that local access network closes (L-SGW/L-PGW) mark/address, the wireless side network element of local IP access does not change, otherwise changes.
Step 704: if the COS in step 701 service request information is designated as data, Mobility Management Entity sends RAB allocation request message.
If the wireless side network element of local IP access does not change, this message is carried the link information that core net connects and local IP accesses, as the Tunnel Identifier of GGSN address, upstream data.
If the wireless side network element of local IP access changes, this RAB allocation request message is carried core net link information, as the Tunnel Identifier of GGSN address, upstream data; In this RAB allocation request message, can carry the indication information that local IP access link information and informing user terminal retain local IP access link information, to can continue to preserve the information that local IP access connects after allowing user terminal transfer connected state to; Also can be without carrying local IP access link information in this RAB allocation request message, now user terminal also may retain the information that local IP access connects.
Step 705: wireless side network element is carried out radio bearer process of establishing.Wireless side network element sends to and in the message of user terminal, can carry local IP access link information and informing user terminal retains the instruction of this information, to can continue to preserve the information that local IP access connects after allowing user terminal transfer connected state to.
Step 706: 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 of local IP access does not change, Mobility Management Entity need to be initiated the PDP context modification flow process that local IP access connects, and this step can be parallel with step 707.If the wireless side network element of local IP access changes, Mobility Management Entity is without the PDP context modification flow process of initiating local IP access connection, and the relevant information of local IP access can not discharge, and now this step is without execution.
For simplified characterization, above three embodiment only illustrate as an example of the situation that do not have a femto gateway example the mode that realizes resource management after user terminal transfers connected state to.Exist the situation, local access network of femto gateway to close to only have the scene of L-SGW and MME changes, S-GW changes position more under new scene, still need Mobility Management Entity (SGSN or MME) to judge whether the wireless side network element of local IP access changes, if do not changed, activate/set up core net connection and be connected with local IP access; If changed, only activate/set up core net and connect, to implement resource management.Certainly,, while there is femto gateway, the message between Mobility Management Entity and wireless side network element will be via femto gateway transmission.In these cases, the mode that realizes resource management after user terminal transfers connected state to is very similar to above-described embodiment, can not impact setting forth the present invention, therefore be no longer repeated in this description at this.
In above embodiment, 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.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 of local IP access can to close address identical with local access network.User terminal finds to be connected to local IP access in service request or position updating process, retains local IP access link information.It can be tracing section updating, Routing Area Update that position is upgraded.The link information that retains local IP access refers to link information, the tunnel information of local IP access when user terminal, Mobility Management Entity and IAD retain user terminal Idle state.
Fig. 8 is the composition structural representation that the present invention supports resource management apparatus in the communication system of local IP access, as shown in Figure 8, the present invention supports that in the communication system of local IP access, resource management apparatus comprises receiving element 80, determining unit 81 and the first transmitting element 82, wherein, receiving element 80 is for receiving service request information or location update request message; Determining unit 81 is 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 of local IP access changes, and triggers the first transmitting element 82; The first transmitting element 82 is for sending the link information of core net to wireless side network element; Or retain to wireless side network element transmission core net link information and indicating user terminal the information that local IP access connects; Or retain the information of local IP access connection and the link information of local IP access to wireless side network element transmission core net link information, indicating user terminal.The wireless side network element of described local IP access comprises that local access network closes, determining unit 81 determines that the wireless side network element of local IP access changes, comprise: it is identical that the wireless side network element ID/address of carrying in more described service request information or location update request message or local access network close wireless side network element ID/address or the mark/address, local access network pass of whether preserving with this locality mark/address, determines that the wireless side network element of local IP access changes when different; Or, in the situation that wireless side network element is identical with mark/address, local access network pass, it is identical that the local access network whether preserve with this locality the wireless side network element ID/address of relatively carrying in service request information or location update request message closes mark/address, determines that the wireless side network element of local IP access changes when different.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 in the communication system of local IP access, resource management apparatus also comprises the second transmitting element 83, for determining that in determining unit 81 the wireless side network element of local IP access does not change, send the link information of core net and the link information of local IP access to wireless side network element, or the link information from local IP access to wireless side network element and the indicating user terminal that send the link information of core net, retain the information that local IP access connects.The link information that the link information of core net, indicating user terminal are retained information that local IP access connects or local IP access by the first transmitting element 82, the second transmitting element 83 is carried on initial context and sets up request message, radio bearer and set up and in request message or RAB allocation request message, send to described network side network element.
Those skilled in the art are to be understood that, in the communication system of the local IP access of the support shown in Fig. 8, resource management apparatus is that in the communication system for realizing the local IP access of aforesaid support, method for managing resource arranges, in device shown in Fig. 8, the function of each processing unit can be understood with reference to the description of method shown in Fig. 5 to Fig. 7, the function of each processing unit can realize by the program running on processor, also can realize by concrete logical circuit.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.

Claims (12)

1. support a method for managing resource in the communication system of local IP access, it is characterized in that, comprising:
In the time that user terminal moves, send service request information or location update request message by wireless side network element to Mobility Management Entity;
Receive after service request information or location update request message, Mobility Management Entity determines that according to the identification information of the wireless side network element of the local IP access in described service request information or location update request message the wireless side network element of local IP access changes, and sends the link information of core net to wireless side network element; Or retain to wireless side network element transmission core net link information and indicating user terminal the information that local IP access connects; Or retain the information of local IP access connection and the link information of local IP access to wireless side network element transmission core net link information, indicating user terminal.
2. method according to claim 1, is characterized in that, the wireless side network element of described local IP access comprises that local access network closes, and described Mobility Management Entity determines that the wireless side network element of local IP access changes, and comprising:
It is identical that the wireless side network element ID/address of carrying in more described service request information or location update request message or local access network close wireless side network element ID/address or the mark/address, local access network pass of whether preserving with this locality mark/address, determines that the wireless side network element of local IP access changes when different;
Or, in the situation that wireless side network element is identical with mark/address, local access network pass, it is identical that the local access network whether preserve with this locality the wireless side network element ID/address of relatively carrying in service request information or location update request message closes mark/address, determines that the wireless side network element of local IP access changes when different.
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 of local IP access does not change, send the link information of core net and the link information of local IP access to wireless side network element, or the link information from local IP access to wireless side network element and the indicating user terminal that send the link information of core net, retain the information that local IP access connects.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described Mobility Management Entity is by the link information of core net, or the link information of core net and indicating user terminal are retained to the information that local IP access connects, or the link information that the link information of core net, indicating user terminal retain information that local IP access connects and local IP access is carried on to initial context sets up request message, radio bearer and set up and in request message or RAB allocation request message, send to described wireless side network element.
5. method according to claim 4, it is characterized in that, the wireless side network element of described local IP access changes, and the link information of described core net comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key;
The wireless side network element of described local IP access does not change, the link information of the link information of described core net and local IP access 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 is mobile management unit MME, moving exchanging center MSC or Serving GPRS Support Node SGSN.
7. support a resource management apparatus in the communication system of local IP access, it is characterized in that, in the time that user terminal moves, send service request information or location update request message by wireless side network element to Mobility Management Entity; Comprise:
Receiving element, for receiving service request information or location update request message;
Determining unit, 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 of local IP access changes, and triggers the first transmitting element; And
The first transmitting element, for sending the link information of core net to wireless side network element; Or retain to wireless side network element transmission core net link information and indicating user terminal the information that local IP access connects; Or retain the information of local IP access connection and the link information of local IP access to wireless side network element transmission core net link information, indicating user terminal.
8. device according to claim 7, is characterized in that, the wireless side network element of described local IP access comprises that local access network closes, and described determining unit determines that the wireless side network element of local IP access changes, and comprising:
It is identical that the wireless side network element ID/address of carrying in more described service request information or location update request message or local access network close wireless side network element ID/address or the mark/address, local access network pass of whether preserving with this locality mark/address, determines that the wireless side network element of local IP access changes when different;
Or, in the situation that wireless side network element is identical with mark/address, local access network pass, it is identical that the local access network whether preserve with this locality the wireless side network element ID/address of relatively carrying in service request information or location update request message closes mark/address, determines that the wireless side network element of local IP access changes when different.
9. device according to claim 7, is characterized in that, described device also comprises:
The second transmitting element, do not change for the wireless side network element of determining local IP access in described determining unit, send the link information of core net and the link information of local IP access to wireless side network element, or the link information from local IP access to wireless side network element and the indicating user terminal that send the link information of core net, retain the information that local IP access connects.
10. device according to claim 9, it is characterized in that, the wireless side network element of described local IP access changes, described the first transmitting element is by the link information of core net, or the link information of core net and indicating user terminal are retained to the information that local IP access connects, or by the link information of core net, the link information that indicating user terminal retains information that local IP access connects and local IP access is carried on initial context and sets up request message, radio bearer is set up and in request message or RAB allocation request message, is sent to described wireless side network element,
The wireless side network element of described local IP access does not change, described the second transmitting element is the link information of the link information of core net and local IP access, or the link information that the link information of core net, indicating user terminal retain information that local IP access connects and local IP access is carried on to initial context sets up request message, radio bearer and set up and in request message or RAB allocation request message, send to described wireless side network element.
11. according to the device described in any one in claim 7 to 10, it is characterized in that, the wireless side network element of described local IP access changes, the link information of described core net comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key;
The wireless side network element of described local IP access does not change, the link information of the link information of described core net and local IP access comprises the Tunnel Identifier of access gateway address, upstream data, and described Tunnel Identifier comprises Tunnel End Point Identifier or Generic Routing Encapsulation key.
12. devices 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.
CN200910162636.5A 2009-08-14 2009-08-14 Method and device for source management of communication system supporting local IP access Expired - Fee Related CN101998365B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102742305B (en) * 2010-12-22 2015-09-09 华为技术有限公司 Local internet protocol access public data network mobile management processing method, device and network system
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
CN102843727A (en) * 2011-06-24 2012-12-26 中兴通讯股份有限公司 Method, device and system for processing IP (Internet protocol) shunting connections
CN103004151B (en) * 2011-07-18 2016-03-09 华为技术有限公司 The detection method of local routing and device
CN103297947B (en) 2012-02-22 2018-06-26 中兴通讯股份有限公司 A kind of method and system for realizing local IP operation
CN104427565B (en) * 2013-08-28 2020-04-14 中兴通讯股份有限公司 Switching processing method, access network information processing method and device
EP3043598A4 (en) * 2013-10-21 2016-09-28 Huawei Tech Co Ltd Routing method between base stations, serving gateway and base station

Citations (3)

* Cited by examiner, † Cited by third party
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
CN101272318A (en) * 2007-03-20 2008-09-24 中兴通讯股份有限公司 Method for preventing false resource release in tracing section updating or switching course
WO2009075451A8 (en) * 2007-12-10 2010-01-28 Electronics And Telecommunications Research Institute Traffic processing system and method of processing traffic

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101114928B (en) * 2006-07-24 2011-04-20 华为技术有限公司 System and method for implementing load balancing

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
CN101272318A (en) * 2007-03-20 2008-09-24 中兴通讯股份有限公司 Method for preventing false resource release in tracing section updating or switching course
WO2009075451A8 (en) * 2007-12-10 2010-01-28 Electronics And Telecommunications Research Institute Traffic processing system and method of processing traffic

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