CN101730067A - Method and device for controlling user equipment to report network discovery - Google Patents

Method and device for controlling user equipment to report network discovery Download PDF

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Publication number
CN101730067A
CN101730067A CN200910150283A CN200910150283A CN101730067A CN 101730067 A CN101730067 A CN 101730067A CN 200910150283 A CN200910150283 A CN 200910150283A CN 200910150283 A CN200910150283 A CN 200910150283A CN 101730067 A CN101730067 A CN 101730067A
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access network
andsf
subscriber equipment
report
information
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CN101730067B (en
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周星月
朱春晖
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Changshu intellectual property operation center Co.,Ltd.
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ZTE Corp
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Priority to PCT/CN2010/072527 priority patent/WO2010148791A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method and a device for controlling user equipment to report network discovery. The method comprises that: an ANDSF transmits an access network updating instruction to the pre-selected user equipment (UE), wherein the access network updating instruction is used for informing the user equipment of reporting access network updating information to the ANDSF when the user equipment discovers a new access network. The method has the advantage of solving the problem of the overload of the ANDSF because a plurality of UE in the network transmits new access network information to the ANDSF at the same time when searching the new access network and then the ANDSF needs to process a large amount of repeated packet information in a short time, and further achieving the effect of enabling the ANDSF to control the UE to actively report the new access network.

Description

The method and apparatus of control user equipment to report network discovery
Technical field
The present invention relates to communication technical field, in particular to the method and apparatus of a kind of control subscriber equipment (User Equipment is called for short UE) report network discovery.
Background technology
Third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) grouping system (the Evolved Packet System of evolution, abbreviate EPS as) by universal mobile telecommunications system land radio access web (the Evolved UniversalTerrestrial Radio Access Network of evolution, abbreviate E-UTRAN as), mobile management unit (Mobility Management Entity, abbreviate MME as), gateway (ServingGateway, S-GW), grouped data network gateway (Packet Data Network Gateway, abbreviate P-GW or PDN GW as), home subscriber server (Home SubscriberServer, abbreviate HSS as), "Policy and Charging Rules Function entity (Policy and ChargingRules Function abbreviates PCRF as) and other support nodes are formed.
Fig. 1 is the schematic diagram of EPS system and Access Network framework.As shown in Figure 1, the EPS system supports the intercommunication of itself and non-3 GPP system, wherein, realizes the intercommunication of EPS system and non-3 GPP system by the S2a/b/c interface, and the anchor point between 3GPP and non-3 GPP system is P-GW.Non-3 GPP system is divided into the non-3GPP IP access of trusted and trustless non-3GPP IP inserts.The non-3GPP IP of trusted inserts and can directly be connected with P-GW by the S2a interface; Trustless non-3GPP IP inserts packet data gateway (the EvolvedPacket Data Gateway that needs through evolution, abbreviate ePDG as) link to each other with P-GW, interface between ePDG and P-GW is S2b, interface S2c then provides UE and user's face relevant control and mobility support between the P-GW, the mobility management protocol of its support is for supporting the mobile IP v 6 (Moblie IPv6Support for Dual Stack Hosts and Routers abbreviates DSMIPv6 as) of two stacks.
Among Fig. 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; 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 (Packet Data Network abbreviates PDN as), and the access of being responsible for PDN reaches functions such as transmitting data between EPS and PDN.PCRF is the "Policy and Charging Rules Function entity, by receiving interface Rx and carrier network agreement (Internet Protocol, abbreviating IP as) business network links to each other, obtain business information, in addition, PCRF also is connected with grouped data network gateway by interface Gx, be connected with the non-3GPP IP of trusted Access Network by interface Gxa, link to each other with gateway by interface Gxc, be responsible for initiating the foundation of IP carrying, guarantee the service quality (Quality of Service abbreviates QoS as) of business datum, and the control of chargeing.
ANDSF proposes in the EPC of Rel-8.As UE the time in home network or in home network of equal value registration, if have 3GPP and non-3 GPP access network simultaneously or have a plurality of non-3 GPP access networks simultaneously, EPS can offer the Access Network information that its current position of UE can be used by ANDSF, so that UE can select suitable Access Network according to s own situation.ANDSF comprises the function of two aspects: data management and controlled function can provide network to find and the selection auxiliary data according to carrier policy.ANDSF mainly provides two kinds of information, shift strategy and access network discovery information between system.Shift strategy is can be graduate between system, as: a strategy, the strategy of using according to the active state of UE (such as UE active and the idle state different strategy of regulation down) hard-core etc.If the access network discovery information spinner: access network type is (such as WLAN, WiMAX), Access Network sign (such as the service set identifiers among the WLAN (Service SetIdentifier is called for short SSID)), the PLMN information that can insert, the priority of access network etc.Certainly ANDSF also can be based on the current position of UE, and limit information such as capacity offer the quantity of UE information.Certainly, according to the demand of operator, ANDSF can provide two kinds of information simultaneously or wherein a kind of information only is provided.
Fig. 2 is the schematic diagram of ANDSF and terminal interaction, the occupation mode of expression ANDSF.As shown in Figure 2, ANDSF directly links to each other with UE by interface S14.This interface uses OMA DM agreement.Interface S14 supports PULL and PUSH pattern.The PULL pattern mainly is that UE carries out the active application to network, triggers ANDSF and sends the network information to UE.And the PUSH pattern mainly is initiatively to be triggered to UE by network to send data.
Fig. 3 is the workflow diagram of ANDSF in the prior art.As shown in Figure 3, concrete workflow may further comprise the steps:
Step 302:UE inserts P-GW by 3GPP Access Network or non-3 GPP access network, is linked into the EPC system;
Step 304:UE finds ANDSF;
Step 306:UE sends access network request message to ANDSF, carries UE ability (UE Capabilities) information, UE position (UE Location) information in the request.
The positional information that step 308:ANDSF reports according to UE, send the access network request response message to UE, carry access network information (Available Access Network Info) that the UE current location can use and up-to-date system's shift strategy (UpdatedInter-system Mobility Policies) in the message.
Step 310:UE makes network selecting and switches decision;
Step 312:UE switches according between self needs initiation system.
In the prior art, the Access Network data of preserving among the ANDSF are configured by manual configuration or Network Management Equipment usually, like this can not be in real time the state of Access Network synchronously, such as, when Access Network because certain reason break in service, new Access Network comes into operation etc., the Access Network information of the storage among the ANDSF can't be upgraded in time, might cause conveying to information errors or the imperfection of UE like this, make UE to insert or repeat to inquire about the network that can insert.Therefore, realize that at present UE reports the mode of the network of new access to be: when UE finds new Access Network when (not existing in the Access Network tabulation in the ADNSF notice), UE can send new Access Network information notice ANDSF to ANDSF and carry out Data Update.Fig. 4 is when UE finds new Access Network in the prior art, and the workflow diagram of ANDSF just increases step 410 in the flow process of Fig. 3, send renewal to ANDSF when UE finds new Access Network information.
Fig. 4 is when UE finds new Access Network in the prior art, the workflow diagram of ANDSF.As shown in Figure 4, may further comprise the steps:
Step 402:UE inserts P-GW by 3GPP Access Network or non-3 GPP access network, is linked into the EPC system;
Step 404:UE finds ANDSF;
Step 406:UE sends access network request message to ANDSF, carries UE ability information, UE positional information in the request.
The positional information that step 408:ANDSF reports according to UE sends the access network request response message to UE, carries access network information that the UE current location can use and up-to-date system's shift strategy in the message.
Step 410:UE finds new Access Network information, sends to ANDSF and upgrades.
Step 412:UE makes network selecting and switches decision;
Step 414:UE switches according between self needs initiation system.
But the deficiency of aforesaid report flow is, after the numerous UE in the network search new Access Network, a plurality of UE can send new Access Network announcement to ANDSF simultaneously, cause the ANDSF needs to handle a large amount of and number of repeated packet information, the overweight problem of ANDSF load that causes at short notice.
Summary of the invention
Search behind the new Access Network and can send new Access Network announcement to ANDSF simultaneously at the numerous UE in the network, the overweight problem of ANDSF load that causes and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of method and apparatus of the UE of control report network discovery, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of method of the UE of control report network discovery.
Method according to control UE report network discovery of the present invention comprises: ANDSF sends Access Network to previously selected UE and upgrades indication, and wherein, Access Network upgrades indication and is used to notify UE to report the Access Network lastest imformation to ANDSF when finding initiate Access Network.
To achieve these goals, according to a further aspect in the invention, provide a kind of device of the UE of control report network discovery.
Device according to control UE report network discovery of the present invention comprises: transmitting element is used for sending to previously selected UE the Access Network renewal indication of ANDSF; Receiving element receives the Access Network lastest imformation that UE reports when finding initiate Access Network.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of UE.
UE according to the present invention comprises: receiving element, be used to receive the Access Network renewal indication that ANDSF sends, and wherein, Access Network upgrades indication and is used to notify UE to report the Access Network lastest imformation to ANDSF when finding initiate Access Network; Report the unit, be used for receiving Access Network and upgrade under the situation of indication, when UE finds initiate Access Network, report the Access Network lastest imformation to ANDSF at receiving element.
Method and apparatus by control UE report network discovery of the present invention, adopt a kind of method of controlling the UE report network discovery, solved after the numerous UE in the network search new Access Network, a plurality of UE can send new Access Network announcement to ANDSF simultaneously, cause the ANDSF needs to handle a large amount of and number of repeated packet information at short notice, the overweight problem of ANDSF load that causes, and then reached and make ANDSF for the controlled effect of the new Access Network behavior of UE proactive notification.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of EPS system and Access Network framework;
Fig. 2 is the mutual schematic diagram of ANDSF and UE;
Fig. 3 is the workflow diagram of ANDSF in the prior art;
Fig. 4 is when UE finds new Access Network in the prior art, the workflow diagram of ANDSF;
Fig. 5 is the flow chart according to the method for the control UE report network discovery of the embodiment of the invention;
Fig. 6 is the flow chart according to the method for the control UE report network discovery of first preferred embodiment of the invention;
Fig. 7 is the flow chart according to the method for the control UE report network discovery of second preferred embodiment of the invention.
Fig. 8 is the structured flowchart according to the device of the control UE report network discovery of the embodiment of the invention.
Fig. 9 is for controlling the structured flowchart of the device of UE report network discovery according to the preferred embodiment of the invention.
Figure 10 is the structured flowchart according to the UE of the embodiment of the invention.
Embodiment
Functional overview
The embodiment of the invention provides a kind of method and apparatus of the UE of control report network discovery.The function of specific implementation is that ANDSF sends Access Network to previously selected UE and upgrades indication, informs the message that UE reports Access Network to upgrade when finding initiate Access Network.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, provide a kind of scheme of the UE of control report network discovery.
The technical problem to be solved in the present invention is that a plurality of UE send new Access Network announcement to ANDSF simultaneously, causes the ANDSF needs to handle a large amount of and number of repeated packet information at short notice, and the ANDSF load that causes is overweight.Fig. 5 is the flow chart of embodiment of the method for control of the present invention UE report network discovery, a kind of method of controlling the UE report network discovery provided by the invention as shown in Figure 5, particular content is as follows:
Step 502:ANDSF sends Access Network to previously selected UE and upgrades indication, and wherein, Access Network upgrades indication and is used to notify UE to report the Access Network lastest imformation to ANDSF when finding initiate Access Network;
Step 504:UE receives Access Network and upgrades indication.
The present invention has designed a kind of scheme of the UE of control report network discovery, can solve the overweight problem of ANDSF momentary load well.This method have make ANDSF for the new Access Network behavior of UE proactive notification controlled etc. advantage.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
If ANDSF is a unit with honeycomb (cell), indicate the UE among this cell to report the Access Network lastest imformation every some cycles (for example being assumed to be 1 hour).Suppose that the UE_A among the Cell A is predetermined UE, UE_A is linked into the EPC system by the 3GPP Access Network, also has a new WLAN Access Network that starts soon this moment in Cell A.It is as shown in table 1 to suppose that ANDSF goes up the Access Network information of storing, and does not have other non-3 GPP access network information on the ANDSF.
Access Network (Access Network) Priority (Priority)
??3GPP_A ??1
??3GPP_B ??2
Table 1
Embodiment one:
Embodiment one is that ANDSF sends indication to UE, the embodiment that reports if notice UE finds new Access Network.
Fig. 6 is the flow chart of method of the control UE report network discovery of first preferred embodiment of the invention, as shown in Figure 6, specifically may further comprise the steps:
602:UE_A is linked into P-GW by 3GPP IP Access Network, inserts the EPC system;
604:UE_A finds ANDSF;
606:UE_A sends access network request message to ANDSF, carries UE_A ability information, UE_A positional information in the message.
608:ANDSF sends Access Network and upgrades indication to UE_A, if notice UE_A has found new non-3GPP network in current location, then needs to report the Access Network lastest imformation to ANDSF.
The positional information that 610:ANDSF reports according to UE_A sends the access network request response message to UE_A, carries access network information that described UE_A current location can use and up-to-date system's shift strategy in the message.
The WLAN Access Network that does not belong to the UE current location that the 612:UE_A scanning discovery is other sends the Access Network lastest imformation to ANDSF, and ANDSF is with the Access Network information updating of storage, and record sends the relevant information of the UE_A that upgrades.
614:UE_A carries out network selecting and switches decision.
616:UE_A switches according between self needs initiation system.
618: if in ensuing 1 hour, other the new access network of UE is arranged, ANDSF selects a UE to send among numerous UE and reports Access Network renewal indication; If all do not have new UE access network among the cell_A in the next cycle, and UE_A is still in cell A, then ANDSF sends once more and reports indication that Access Network upgrades to UE_A, informs that UE_A carries out Access Network and upgrades and report, and reports the Access Network lastest imformation when finding initiate Access Network.
In this embodiment, utilize to selected UE and directly send the method that Access Network upgrades indication, solved a plurality of UE and reported the problem that causes load overweight to ANDSF simultaneously.
Embodiment two:
Embodiment two upgrades indication for ANDSF carries Access Network in the access network request response message, thereby sends indication to UE, the embodiment that reports if notice UE finds new Access Network.
Fig. 7 is the flow chart of method of the control UE report network discovery of second preferred embodiment of the invention, as shown in Figure 7, specifically may further comprise the steps:
702:UE_A is linked into P-GW by 3GPP IP Access Network, inserts the EPC system;
704:UE_A finds ANDSF;
706:UE_A sends access network request message to ANDSF, carries UE A ability information, UE_A positional information in the message.
The positional information that 708:ANDSF reports according to UE_A, send the access network request response message to UE_A, not only carry access network information that described UE_A current location can use and up-to-date system's shift strategy in the message, also carry Access Network and upgrade indication, if notice UE_A has found the not new non-3GPP network insertion in system's shift strategy, then need to report the Access Network lastest imformation to ANDSF.
The not WLAN Access Network in system's shift strategy that the 710:UE_A scanning discovery is other sends the Access Network lastest imformation to ANDSF, and ANDSF is with the Access Network information updating of storage, and record sends the relevant information of the UE_A that upgrades.
712:UE_A carries out network selecting and switches decision.
714:UE_A switches according between self needs initiation system.
716: if in ensuing 1 hour, other the new access network of UE is arranged, ANDSF selects a UE to send among UE and reports Access Network renewal indication; If all do not have new UE access network among the cell_A in the next cycle, and UE_A is still in cellA, then ANDSF sends once more and reports indication that Access Network upgrades to UE_A, informs that UE_A carries out Access Network and upgrades and report, and reports the Access Network lastest imformation when finding initiate Access Network.
In this embodiment, utilize when selected UE sends the access network request response message, to send the method that Access Network upgrades indication, solved a plurality of UE and reported the problem that causes load overweight to ANDSF simultaneously.
As can be seen from the above description, the present invention has realized following technique effect:
The present invention adopts a kind of method of the UE of control report network discovery, by selected UE is sent indication, inform that this UE reports when finding new Access Network, and other UE does not report, reached the behavior that makes ANDSF can control the new Access Network of UE proactive notification, the overweight problem of avoiding a plurality of UE to report simultaneously causing of load.
Device embodiment
The present invention proposes a kind of device of the UE of control report network discovery.
Fig. 8 is the structured flowchart according to the device of the control UE report network discovery of the embodiment of the invention.Fig. 9 is for controlling the structured flowchart of the device of UE report network discovery according to the preferred embodiment of the invention.As shown in Figure 8, the device according to the control UE report network discovery of the embodiment of the invention comprises: transmitting element 10, receiving element 20.Below further combined with Fig. 9 the details of above-mentioned each module is described.
Transmitting element 10 is used for sending to previously selected UE the Access Network renewal indication of ANDSF;
Receiving element 20 receives the Access Network lastest imformation that UE reports when finding initiate Access Network.
Memory cell 30 is used to store Access Network information;
Updating block 40 is used for the Access Network lastest imformation that receives according to receiving element 20, the Access Network information of updated stored unit 30 storages.
Figure 10 is the structured flowchart according to the UE of the embodiment of the invention.As shown in figure 10, UE according to the embodiment of the invention comprises: receiving element 50, be used to receive the Access Network renewal indication that ANDSF sends, wherein, Access Network upgrades indication and is used to notify UE to report the Access Network lastest imformation to ANDSF when finding initiate Access Network; Report unit 60, be used for receiving Access Network and upgrade under the situation of indication, when UE finds initiate Access Network, report the Access Network lastest imformation to ANDSF at receiving element 50.
By the foregoing description, a kind of UE is provided, receive Access Network and upgrade indication, can reach the effect that reports initiate Access Network according to indication to Access Network.
In sum, pass through the above embodiment of the present invention, the control UE report network discovery scheme that provides, solved after the numerous UE in the network search new Access Network, a plurality of UE send new Access Network announcement to ANDSF simultaneously, cause the ANDSF needs to handle a large amount of and number of repeated packet information at short notice, the overweight problem of ANDSF load that causes, control the mechanism that UE reports, and then can make ANDSF handle the network of new access better, avoided system mistake to occur.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a method of controlling user equipment to report network discovery is characterized in that, comprises
Access network discovery and selection function unit ANDSF send Access Network to previously selected subscriber equipment and upgrade indication, wherein, described Access Network upgrades to indicate and is used to notify described subscriber equipment to report the Access Network lastest imformation to described ANDSF when finding initiate Access Network.
2. method according to claim 1 is characterized in that: described ANDSF is before previously selected subscriber equipment sends Access Network renewal indication, and described method also comprises:
Described subscriber equipment sends access network request message to described ANDSF, wherein, comprises capability information of user facility and/or position information of user equipment in the described access network request message.
3. method according to claim 2 is characterized in that, described ANDSF is after described subscriber equipment sends Access Network renewal indication, and described method also comprises:
Described ANDSF sends the Access Network request response according to described position information of user equipment to described subscriber equipment.
4. method according to claim 2 is characterized in that, described ANDSF sends Access Network renewal indication to described subscriber equipment and comprises:
Described ANDSF sends the Access Network request response according to described position information of user equipment to described subscriber equipment, wherein, comprises described Access Network in the described Access Network request response and upgrades indication.
5. according to claim 3 or 4 described methods, it is characterized in that: comprise access network information that described subscriber equipment current location can use and up-to-date system's shift strategy in the described Access Network request response.
6. method according to claim 2 is characterized in that, after previously selected subscriber equipment sent described Access Network renewal indication, described method also comprised at ANDSF:
Described subscriber equipment reports described Access Network lastest imformation to described ANDSF when finding initiate Access Network;
Described ANDSF writes down the information of described subscriber equipment according to the Access Network information of described Access Network lastest imformation updated stored.
7. a device of controlling user equipment to report network discovery is characterized in that, comprising:
Transmitting element is used for sending to previously selected subscriber equipment the Access Network renewal indication of ANDSF;
Receiving element receives the Access Network lastest imformation that described subscriber equipment reports when finding initiate Access Network.
8. device according to claim 7 is characterized in that, described device also comprises:
Memory cell is used to store Access Network information;
Updating block is used for the described Access Network lastest imformation that receives according to described receiving element, upgrades the described Access Network information of described cell stores.
9. a subscriber equipment is characterized in that, comprising:
Receiving element is used to receive the Access Network renewal indication that ANDSF sends, and wherein, described Access Network upgrades indication and is used to notify described subscriber equipment to report the Access Network lastest imformation to described ANDSF when finding initiate Access Network;
Report the unit, be used for receiving described Access Network and upgrade under the situation of indication, when described subscriber equipment is found initiate Access Network, report the Access Network lastest imformation to described ANDSF at described receiving element.
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