CN101945446B - Method and system for processing strategy conflict by user equipment - Google Patents
Method and system for processing strategy conflict by user equipment Download PDFInfo
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- CN101945446B CN101945446B CN2009100887635A CN200910088763A CN101945446B CN 101945446 B CN101945446 B CN 101945446B CN 2009100887635 A CN2009100887635 A CN 2009100887635A CN 200910088763 A CN200910088763 A CN 200910088763A CN 101945446 B CN101945446 B CN 101945446B
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Abstract
The invention discloses a method for processing a strategy conflict by user equipment (UE). The method comprises the following steps that: after receiving strategies transmitted by a visited-network access network discovery and selection function (VANDSF) entity and a home-network discovery and selection function (HANDSF) entity respectively, the UE integrates and rearranges the received strategies according to the strategy transmitted by the VANDSF entity; and the UE realizes sequential access of access networks according to the rearranged strategies. The invention also discloses a system for processing the strategy conflict by the UE. In the system, a conflicted strategy processing unit is used for the UE to receive the strategies transmitted by the VANDSF entity and the HANDSF entity, and integrating and rearranging the received strategies according to the strategy transmitted by the VANDSF entity. The method and the system of the invention can solve the conflict between strategies provided by the HANDSF entity and the VANDSF entity.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to subscriber equipment under a kind of roaming scence (UE) and process the method and system of two access network discoveries and selection function (ANDSF, Access Network Discovery and SelectionFunction) entity policy conflict.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System), universal mobile telecommunications system land radio access web (E-UTRAN by evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, ServingGateway), grouped data network gateway (P-GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server), strategy and charging rule functions (PCRF, Policy and Charging Rules Function) entity and other support nodes form.Wherein, grouped data network gateway also can be referred to as PDN GW.
The EPS system is supported the intercommunication with non-3 GPP system, wherein, with the intercommunication of non-3 GPP system, passes through the S2a/S2b/S2c Interface realization, 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 access.The non-3GPP IP access of trusted can directly be connected with P-GW by the S2a interface; Trustless non-3GPP IP access needs to be connected with P-GW through the packet data gateway (ePDG, Evolved Packet Data Gateway) of evolution.Interface between ePDG and P-GW is S2b; S2c provides UE control and the mobility support relevant to user's face between P-GW, the mobility management protocol of its support is for supporting the mobile IP v 6 (DSMIPv6, Moblie IPv6 Support for Dual Stack Hosts and Routers) of two stacks.
In the EPS system, MME is responsible for the related work of the 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 be connected with E-UTRAN, forwarding data between E-UTRAN and P-GW, and be responsible for the pending datas such as paging are carried out to buffer memory; P-GW is the borde gateway of EPS and packet data network (PDN, Packet Data Network), is responsible for the access of PDN and the function such as forwarding data between EPS and PDN; The PCRF entity is by Rx interface and carrier network agreement (IP, Internet Protocol) business network is connected, obtain business information, in addition, the PCRF entity also is connected with the gateway device in network by the Gx/Gxa/Gxc interface, is responsible for initiating the foundation of IP carrying, guarantees the service quality (QoS of business datum, and carry out charging control Quality of Service).
The ANDSF entity is to propose in the EPS of Rel-8 system.As UE in home network or in home network of equal value registration the time, if have 3GPP and non-3 GPP access network or have a plurality of non-3 GPP access networks simultaneously simultaneously, EPS can offer the Access Network information that its current position of UE can be used by the ANDSF entity, so that UE can select suitable Access Network according to s own situation.The ANDSF entity comprises the function of two aspects: data management and control function can provide Network finding and select auxiliary data according to carrier policy.The ANDSF entity mainly provides two kinds of information, shift strategy and access network discovery information between system.Between system, shift strategy is can be graduate, such as: hard-core general strategy or according to the strategy of the active state application of UE etc., wherein according to the strategy of the active state application of UE, can activate for UE the Different Strategies of stipulating under (active) and free time (idle) state.If access network discovery information spinner: access network type, such as WLAN (wireless local area network) (WLAN) or micro-wave access global inter communication (WiMAX); The Access Network sign, such as the service set identifiers in WLAN (SSID, ServiceSet Identifier); Accessible public land mobile network (PLMN) information; The priority of access network etc.Certainly the position that the ANDSF entity also can be current based on UE, the limit information such as capacity offer the quantity of UE information.According to the demand of operator, the ANDSF entity can also provide two kinds of information simultaneously or a kind of information wherein only is provided.
Be illustrated in figure 1 the configuration diagram that relates to the ANDSF entity.The ANDSF entity directly is connected with UE by the S14 interface, and the S14 interface is used OMA DM agreement.The S14 interface is supported PULL and PUSH pattern, wherein, the PULL pattern mainly: UE triggers the pattern of ANDSF entity to the UE transmission network information after carrying out active application to network; And the PUSH pattern mainly: initiatively triggered the pattern that sends data to UE by network.Wherein, OMA DM agreement is Open Mobile Alliance (OMA, Open MobileAlliance) a set of management agreement that is specifically designed to mobile and wireless network of tissue definition, be the branch of OMA, and OMA DM agreement is mainly used to the various device terminal is managed.
Be illustrated in figure 2 the workflow schematic diagram that uses the ANDSF entity, this flow process comprises the following steps:
Step 101, UE are linked into P-GW by 3GPP Access Network or non-3 GPP access network.
Step 102, UE find the ANDSF entity.
Here, step 102 is optional steps, in figure, is represented by dotted lines.
Step 103, UE send the access network message request to the ANDSF entity,
Here, carry UE ability information or UE positional information in this request.
The positional information that step 104, ANDSF entity report according to UE, will return to UE for the access network message response of above-mentioned access network message request.
Here, carry access network information that the UE current location can use and up-to-date system shift strategy in this response.
Step 105, UE carry out the network selection and switching determines.
Step 106, UE need to initiate intersystem handover according to self.
Be illustrated in figure 3 under roaming scence the configuration diagram that relates to the ANDSF entity.In Fig. 3, UE, by two S14 interfaces, is connected with the VANDSF entity with the HANDSF entity respectively.Here, HANDSF entity aim belongs to the ANDSF entity of network; The VANDSF entity refers to the ANDSF entity of visited network.The HANDSF entity sends the relevant access network policy of roaming UE to UE; The VANDSF entity sends the relevant access network policy of visited place to UE.
Because the access network policy of UE is provided by HANDSF entity and VANDSF entity respectively, therefore, the access network policy that HANDSF entity and VANDSF entity provide is likely conflict.Such as: the access network policy that the HANDSF entity provides is: WLAN/SSID=v, Priority=1; WLAN/SSID=z, Priority=2; And the access network policy that the VANDSF entity provides is: WLAN/SSID=z, Priority=1; WLAN/SSID=v, Priority=2.And the access network policy that UE processes these two kinds of conflicts has two principles: the power to make decision that, wireless access technology (RAT, Radio AccessTechnology) is selected is at visited network; Two, under roaming scence, home network can be expressed the hobby of its network priority, and the power to make decision of access network selection is at home network.The policy conflict of receiving due to UE can cause UE access network in time, the network that perhaps accessed is not preferred, thereby have influence on the user's who uses UE experience sense, therefore, at present in the urgent need to a kind of solution of processing HANDSF entity and VANDSF entity policy conflict.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of UE processing policy conflict, can solve the HANDSF entity and the VANDSF entity provides the conflict between strategy.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of subscriber equipment processing policy conflict, the method comprises:
After subscriber equipment receives the discovery of the discovery of visited network and selection function VANDSF entity and home network and strategy that selection function HANDSF entity issues respectively, the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; Described subscriber equipment is realized the order access of Access Network according to the strategy after rearrangement.
Wherein, the sortord that described rearrangement adopts comprises: first according to wireless access technology RAT sequence, then the mode sorted according to Access Network.
Wherein, the strategy that the described VANDSF of take entity issues is foundation, and after the strategy received is integrated, rearrangement specifically comprises:
Described subscriber equipment is according to the type of Access Network, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of described Access Network, sorted to described RAT classification;
According to the RAT classification after sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that described Access Network issues according to the HANDSF entity is sorted.
Wherein, when between the strategy that strategy that the VANDSF entity issues and HANDSF entity issue, having redundancy, the method further comprises: the access network policy of redundancy is augmented under corresponding RAT classification.
Wherein, there is redundancy between the strategy that strategy that the HANDSF entity issues and VANDSF entity issue, and, when the access network policy of redundancy does not belong to any RAT classification in the strategy that the VANDSF entity issues, the method also further comprises: the access network policy of redundancy is augmented under corresponding newly-built RAT classification.
A kind of system of subscriber equipment processing policy conflict, this system comprises: the Conflict Strategies processing unit of user equipment side and the access unit of user equipment side; Wherein,
Described Conflict Strategies processing unit, receive for subscriber equipment the strategy that VANDSF entity and HANDSF entity issue respectively, and the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; Strategy after rearrangement is offered to described access unit;
Described access unit, realize the order access of Access Network according to the strategy after described rearrangement for subscriber equipment.
Wherein, described Conflict Strategies processing unit further comprises: VANDSF strategy receiver module, HANDSF strategy receiver module and Conflict Strategies processing module; Wherein,
VANDSF strategy receiver module, receive for subscriber equipment the strategy that the VANDSF entity issues, and offer described Conflict Strategies processing module;
HANDSF strategy receiver module, receive for subscriber equipment the strategy that the HANDSF entity issues, and offer described Conflict Strategies processing module;
The Conflict Strategies processing module, the type for described subscriber equipment according to Access Network, the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of described Access Network, sorted to described RAT classification; According to the RAT classification after sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that described Access Network issues according to the HANDSF entity is sorted.
Wherein, between the strategy that the strategy issued at the VANDSF entity and HANDSF entity issue, exist under the state of redundancy, described Conflict Strategies processing module, be further used for the access network policy of redundancy is augmented under corresponding RAT classification.
Wherein, there is redundancy between the strategy that the strategy issued at the HANDSF entity and VANDSF entity issue, and the access network policy of redundancy does not belong under the state of any RAT classification in the strategy that the VANDSF entity issues, described Conflict Strategies processing module, be further used for the access network policy of redundancy is augmented under corresponding newly-built RAT classification.
Wherein, described Conflict Strategies processing module further comprises: the first classification and sorting unit and second are sorted out and sorting unit; Wherein,
First sorts out and sorting unit, for from described VANDSF strategy receiver module, receiving the strategy that the VANDSF entity issues; Described subscriber equipment is according to the type of Access Network, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of described Access Network, sorted to described RAT classification, and the RAT classification after sequence is offered to described second sort out and sorting unit;
Second sorts out and sorting unit, for from described HANDSF strategy receiver module, receiving the strategy that the HANDSF entity issues; According to the RAT classification after described sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that described Access Network issues according to the HANDSF entity is sorted.
After UE of the present invention receives the strategy that VANDSF entity and HANDSF entity issue respectively, the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; UE realizes the order access of Access Network according to the strategy after rearrangement.
Adopt the present invention, the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated, can solve the HANDSF entity and the VANDSF entity provides the conflict between strategy, UE realizes the order access of Access Network according to the strategy after rearrangement, make UE access network in time, and the network of order access be preferred, thereby improve the user's who uses UE experience sense.
The accompanying drawing explanation
Fig. 1 is the configuration diagram that prior art relates to the ANDSF entity;
Fig. 2 is the workflow schematic diagram that prior art is used the ANDSF entity;
Fig. 3 relates to the configuration diagram of ANDSF entity under the prior art roaming scence;
The realization flow schematic diagram that Fig. 4 is the inventive method;
The system architecture schematic diagram that Fig. 5 is an embodiment of UE processing policy conflict under roaming scence of the present invention.
Embodiment
Basic thought of the present invention is: after UE receives the strategy that VANDSF entity and HANDSF entity issue respectively, the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; UE realizes the order access of Access Network according to the strategy after rearrangement.
Enforcement below in conjunction with accompanying drawing to technical scheme is described in further detail.
As shown in Figure 4, a kind of method of UE processing policy conflict, the method comprises the following steps:
The strategy that step 202, the VANDSF entity of take issue is foundation, rearrangement after the strategy received is integrated.
Here, the strategy received comprises: the strategy that the VANDSF entity issues, and the strategy that issues of HANDSF entity.
Here, the sortord that rearrangement adopts comprises: first according to the RAT sequence, then the mode sorted according to Access Network.
For the above technical scheme consisted of step 201～step 203, the concrete processing procedure of step 202 comprises:
Step 2021, UE are according to the type of Access Network, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of Access Network, sorted to the RAT classification.
Step 2022, UE are according to the RAT classification after sorting, and the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification.
Wherein, the Access Network priority in the strategy that Access Network issues according to the HANDSF entity is sorted.
Here, when between the strategy that strategy that the VANDSF entity issues and HANDSF entity issue, having redundancy, the method further comprises: the access network policy of redundancy is augmented under corresponding RAT classification.Now, likely that the strategy that the VANDSF entity issues exists redundancy, there is redundancy in the strategy that perhaps the HANDSF entity issues, but, no matter be which kind of redundancy situation, the access network policy of redundancy can find corresponding RAT classification, that is to say, the access network policy of redundancy belongs to the RAT classification in the strategy that the VANDSF entity issues.
Here, there is redundancy between the strategy that strategy that the HANDSF entity issues and VANDSF entity issue, and, when the access network policy of redundancy does not belong to any RAT classification in the strategy that the VANDSF entity issues, the method also further comprises: the access network policy of redundancy is augmented under corresponding newly-built RAT classification.Now, likely that the strategy that the VANDSF entity issues exists redundancy, there is redundancy in the strategy that perhaps the HANDSF entity issues, but, no matter be which kind of redundancy situation, the access network policy of redundancy all can't find corresponding RAT classification, that is to say, the access network policy of redundancy does not belong to any RAT classification in the strategy that the VANDSF entity issues.Here it is to be noted: newly-built RAT classification can be positioned at the last of the RAT classification that completed sequence.
Embodiment of the method one:
At first UE is linked into the EPS system by 3GPP Access Network or non-3 GPP access network trusty/fly-by-night.Under roaming scence, UE obtains different tactful A1 and A2 from HANDSF entity and VANDSF entity respectively.The main processing policy A1 of the present embodiment has the situation of RAT redundancy.The flow process of the present embodiment comprises the following steps:
Step 301, the tactful A2 issued according to the VANDSF entity, different RAT classification in screening strategy A2, sorted to the RAT classification according to the priority of tactful A2.
Step 302, according to the sequence of RAT classification, the Access Network of distinguishing different RAT classifications in tactful A1 according to priority is ordered into respectively under corresponding RAT classification.
Here, if the RAT classification redundancy in tactful A1 adds to sequence by this RAT classification last, and Access Network under it is sorted by priority.
Step 303, the strategy of having resequenced is renumberd, form new strategy.
For convenience of explanation, below in conjunction with each sequence table, the present embodiment is exemplified below, wherein, the sequence table that table 1 is tactful A1; The sequence table that table 2 is tactful A2; The sequence table that table 3 is the RAT classification; Table 4 is the sequence table that the sequence based on the RAT classification obtains Access Network; Table 5 is the sequence table of the rear Access Network priority obtained of rearrangement.
| Access Network | Priority |
| WLAN1 | 1 |
| 3GPP1 | 2 |
| WIMAX1 | 3 |
| WLAN2 | 4 |
| 3GPP2 | 5 |
Table 1
| Access Network | Priority |
| WLAN2 | 1 |
| WLAN1 | 2 |
| 3GPP1 | 3 |
Table 2
One, the RAT in tactful A2 is sorted, the RAT strategy A2 of differentiation is as shown in table 3, and the sequence of the RAT classification obtained by tactful A2 is: RAT1, RAT2.
| Access Network | Priority | Wireless access technology |
| WLAN2 | 1 | RAT1 |
| WLAN1 | 2 | RAT1 |
| 3GPP1 | 3 | RAT2 |
Table 3
Two, by tactful A1, the network element of distinguishing different RAT according to priority is ordered into respectively under corresponding RAT, and the RAT of tactful A1 redundancy is added to and arranges finally.The result obtained by this rule is as shown in table 4.
| Wireless access technology | Access Network | Priority |
| RAT1 | WLAN1 | -- |
| WLAN2 | -- | |
| RAT2 | 3GPP1 | -- |
| 3GPP2 | -- | |
| RAT3 | WIMAX1 | -- |
Table 4
Three, the numbering sequentially again of the strategy after arranging, form new strategy as shown in table 5.
| Access Network | Priority |
| WLAN1 | 1 |
| WLAN2 | 2 |
| 3GPP1 | 3 |
| 3GPP2 | 4 |
| WIMAX1 | 5 |
Table 5
Embodiment of the method two:
At first UE is linked into the EPS system by 3GPP Access Network or non-3 GPP access network trusty/fly-by-night.Under roaming scence, UE obtains different tactful A1 and tactful A2 from HANDSF entity and VANDSF entity respectively.The main processing policy A2 of the present embodiment has the situation of Access Network redundancy.The flow process of the present embodiment comprises the following steps:
Step 401, the tactful A2 issued according to the VANDSF entity, different RAT classification in screening strategy A2, sorted to the RAT classification according to the priority of tactful A2.
Step 402, according to the sequence of RAT classification, the Access Network of distinguishing different RAT classifications in tactful A1 according to priority is ordered into respectively under corresponding RAT classification.
Here, if the RAT classification redundancy in tactful A1 adds to sequence by this RAT classification last, and Access Network under it is sorted by priority.
Step 403, the strategy that new sort is good renumber, and form new strategy.
For convenience of explanation, below in conjunction with each sequence table, the present embodiment is exemplified below, wherein, the sequence table that table 6 is tactful A1; The sequence table that table 7 is tactful A2; The sequence table that table 8 is the RAT classification; Table 9 obtains a sequence table of Access Network for filling into the sequence based on the RAT classification after redundancy strategy; Table 10 obtains another sequence table of Access Network for filling into the sequence based on the RAT classification after redundancy strategy; Table 11 is the sequence table of the rear Access Network priority obtained of rearrangement.
| Access Network | Priority |
| WLAN1 | 1 |
| 3GPP1 | 2 |
| WLAN2 | 3 |
| 3GPP2 | 4 |
Table 6
| Access Network | Priority |
| WLAN2 | 1 |
| WLAN1 | 2 |
| 3GPP3 | 3 |
| WIMAX1 | 4 |
| 3GPP1 | 5 |
Table 7
One, the RAT in tactful A2 is sorted.The RAT strategy A2 distinguished is as shown in table 8, and the sequence of the RAT classification obtained by tactful A2 is: RAT1, RAT2, RAT3.
| Access Network | Priority | Wireless access technology |
| WLAN2 | 1 | RAT1 |
| WLAN1 | 2 | RAT1 |
| 3GPP3 | 3 | RAT2 |
| 3GPP1 | 4 | RAT2 |
| WIMAX1 | 5 | RAT3 |
Table 8
Two, by tactful A1, the network element of distinguishing different RAT according to priority is ordered into respectively under corresponding RAT, and the RAT of tactful A1 redundancy is added to and arranges finally.The result obtained by this rule is as shown in table 9.
Table 9
Three, the access network policy of tactful A2 redundancy is added to last under corresponding RAT.The result obtained by this rule is as shown in table 10.
Table 10
Four, the numbering sequentially again of the strategy after arranging, form new strategy as shown in table 11.
| Access Network | Priority |
| WLAN1 | 1 |
| WLAN2 | 2 |
| 3GPP1 | 3 |
| 3GPP2 | 4 |
| 3GPP3 | 5 |
| WIMAX1 | 6 |
Table 11
A kind of system of UE processing policy conflict, this system comprises the Conflict Strategies processing unit of UE side and the access unit of UE side.Wherein, the Conflict Strategies processing unit receives for UE the strategy that VANDSF entity and HANDSF entity issue respectively, and the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; Strategy after rearrangement is offered to access unit.Access unit is realized the order access of Access Network according to the strategy after the rearrangement of receiving for UE.
Here, the Conflict Strategies processing unit further comprises: VANDSF strategy receiver module, HANDSF strategy receiver module and Conflict Strategies processing module.Wherein, VANDSF strategy receiver module receives for UE the strategy that the VANDSF entity issues, and offers the Conflict Strategies processing module.HANDSF strategy receiver module receives for UE the strategy that the HANDSF entity issues, and offers the Conflict Strategies processing module.The Conflict Strategies processing module is the type according to Access Network for UE, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of Access Network, sorted to the RAT classification; According to the RAT classification after sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that Access Network issues according to the HANDSF entity is sorted.
Here, between the strategy that the strategy issued at the VANDSF entity and HANDSF entity issue, exist under the state of redundancy, the Conflict Strategies processing module is further used for the access network policy of redundancy is augmented under corresponding RAT classification.
Here, there is redundancy between the strategy that the strategy issued at the HANDSF entity and VANDSF entity issue, and the access network policy of redundancy does not belong under the state of any RAT classification in the strategy that the VANDSF entity issues, and the Conflict Strategies processing module is further used for the access network policy of redundancy is augmented under corresponding newly-built RAT classification.
For the Conflict Strategies processing module, the specific implementation of Conflict Strategies processing module can further include: the first classification and sorting unit and second are sorted out and sorting unit.Wherein, first sorts out and the strategy of sorting unit for issuing from VANDSF strategy receiver module reception VANDSF entity; UE is according to the type of Access Network, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of Access Network, sorted to the RAT classification, and the RAT classification after sequence is offered to the second classification and sorting unit.Second sorts out and the strategy of sorting unit for issuing from HANDSF strategy receiver module reception HANDSF entity; According to the RAT classification after sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that Access Network issues according to the HANDSF entity is sorted.System embodiment:
As shown in Figure 5, the UE side of the present embodiment comprises: VANDSF strategy receiver module, HANDSF strategy receiver module and Conflict Strategies processing module.Wherein, the HANDSF entity is issued to tactful A1 the HANDSF strategy receiver module of UE side; The VANDSF entity is issued to tactful A2 the VANDSF strategy receiver module of UE side; Strategy separately is sent to respectively the Conflict Strategies processing module and is processed by it for HANDSF strategy receiver module and VANDSF strategy receiver module, by the Conflict Strategies processing module, these two Conflict Strategies is processed.
Here, the processing of Conflict Strategies processing module is specially: at first, the tactful A2 issued according to the VANDSF entity, in screening strategy A2, different RAT classifications corresponding to Access Network, sorted to the RAT classification according to the priority of tactful A2.Then, according to the sequence of RAT classification, the Access Network of corresponding different RAT classifications in tactful A1 according to priority is ordered into respectively under corresponding RAT classification.And, if while between tactful A1 and tactful A2, having the access network policy of redundancy, the strategy of redundancy is augmented under corresponding RAT classification, such as, by the Access Network do not had in tactful A1, and the Access Network that tactful A2 has augments under different RAT classifications.Finally, sorted Access Network, sequence priority in order again again, as New Policy, for UE, determine, so that UE can be according to the Access Network priority in New Policy, and the order access that achieves a butt joint and network.
Here it is pointed out that the VPLMN related in Fig. 3, Fig. 5 refers to visited network; The HPLMN aim belongs to network.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (9)
1. the method for a subscriber equipment processing policy conflict, is characterized in that, the method comprises:
After subscriber equipment receives the discovery of the discovery of visited network and selection function VANDSF entity and home network and strategy that selection function HANDSF entity issues respectively, the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; Described subscriber equipment is realized the order access of Access Network according to the strategy after rearrangement;
The sortord that described rearrangement adopts comprises: first according to wireless access technology RAT sequence, then the mode sorted according to Access Network.
2. method according to claim 1, is characterized in that, the strategy that the described VANDSF of take entity issues is foundation, and after the strategy received is integrated, rearrangement specifically comprises:
Described subscriber equipment is according to the type of Access Network, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of described Access Network, sorted to described RAT classification;
According to the RAT classification after sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that described Access Network issues according to the HANDSF entity is sorted.
3. method according to claim 2, is characterized in that, when between the strategy that strategy that the VANDSF entity issues and HANDSF entity issue, having redundancy, the method further comprises: the access network policy of redundancy is augmented under corresponding RAT classification.
4. method according to claim 2, it is characterized in that, there is redundancy between the strategy that strategy that the HANDSF entity issues and VANDSF entity issue, and, when the access network policy of redundancy does not belong to any RAT classification in the strategy that the VANDSF entity issues, the method also further comprises: the access network policy of redundancy is augmented under corresponding newly-built RAT classification.
5. the system of a subscriber equipment processing policy conflict, is characterized in that, this system comprises: the Conflict Strategies processing unit of user equipment side and the access unit of user equipment side; Wherein,
Described Conflict Strategies processing unit, receive for subscriber equipment the strategy that VANDSF entity and HANDSF entity issue respectively, and the strategy that the VANDSF entity of take issues is foundation, rearrangement after the strategy received is integrated; Strategy after rearrangement is offered to described access unit;
Described access unit, realize the order access of Access Network according to the strategy after described rearrangement for subscriber equipment;
The sortord that described Conflict Strategies processing unit rearrangement adopts comprises: first according to wireless access technology RAT sequence, then the mode sorted according to Access Network.
6. system according to claim 5, is characterized in that, described Conflict Strategies processing unit further comprises: VANDSF strategy receiver module, HANDSF strategy receiver module and Conflict Strategies processing module; Wherein,
VANDSF strategy receiver module, receive for subscriber equipment the strategy that the VANDSF entity issues, and offer described Conflict Strategies processing module;
HANDSF strategy receiver module, receive for subscriber equipment the strategy that the HANDSF entity issues, and offer described Conflict Strategies processing module;
The Conflict Strategies processing module, the type for described subscriber equipment according to Access Network, the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of described Access Network, sorted to described RAT classification; According to the RAT classification after sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that described Access Network issues according to the HANDSF entity is sorted.
7. system according to claim 6, it is characterized in that, between the strategy that the strategy issued at the VANDSF entity and HANDSF entity issue, exist under the state of redundancy, described Conflict Strategies processing module, be further used for the access network policy of redundancy is augmented under corresponding RAT classification.
8. system according to claim 6, it is characterized in that, there is redundancy between the strategy that the strategy issued at the HANDSF entity and VANDSF entity issue, and the access network policy of redundancy does not belong under the state of any RAT classification in the strategy that the VANDSF entity issues, described Conflict Strategies processing module, be further used for the access network policy of redundancy is augmented under corresponding newly-built RAT classification.
9. system according to claim 6, is characterized in that, described Conflict Strategies processing module further comprises: the first classification and sorting unit and second are sorted out and sorting unit; Wherein,
First sorts out and sorting unit, for from described VANDSF strategy receiver module, receiving the strategy that the VANDSF entity issues; Described subscriber equipment is according to the type of Access Network, and the Access Network in the strategy that the VANDSF entity is issued ranges respectively corresponding RAT classification; Priority in the strategy issued at the VANDSF entity according to the type of described Access Network, sorted to described RAT classification, and the RAT classification after sequence is offered to described second sort out and sorting unit;
Second sorts out and sorting unit, for from described HANDSF strategy receiver module, receiving the strategy that the HANDSF entity issues; According to the RAT classification after described sequence, the Access Network in the strategy that the HANDSF entity is issued ranges respectively corresponding RAT classification; Wherein, the Access Network priority in the strategy that described Access Network issues according to the HANDSF entity is sorted.
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| PCT/CN2010/073233 WO2011003306A1 (en) | 2009-07-10 | 2010-05-25 | Method and system for user equipment to process policy conflicts |
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| CN102387145B (en) * | 2011-10-21 | 2014-03-12 | 北京航空航天大学 | System and method for detecting access control strategy collision in collaborative environment |
| CN104838696B (en) * | 2013-01-11 | 2019-02-05 | 华为技术有限公司 | System and method for network selection |
| WO2014110819A1 (en) * | 2013-01-18 | 2014-07-24 | 华为终端有限公司 | Network access method and device |
| KR101729878B1 (en) * | 2013-02-25 | 2017-04-24 | 엘지전자 주식회사 | Method and terminal for determining access on basis of policy |
| CN104066154B (en) * | 2013-03-21 | 2018-07-03 | 华为终端（东莞）有限公司 | Select WLAN WLAN operators and the method and user equipment of WLAN |
| CN104303558B (en) | 2013-03-29 | 2018-06-15 | 华为技术有限公司 | Method, UE and the server of strategy fusion |
| WO2015006943A1 (en) * | 2013-07-17 | 2015-01-22 | 华为技术有限公司 | Method, apparatus and terminal for preferentially selecting trusted wlan access network |
| US9980120B2 (en) * | 2013-08-08 | 2018-05-22 | Lg Electronics Inc. | Method and apparatus for steering traffic in wireless communication system |
| CN104427485A (en) * | 2013-09-03 | 2015-03-18 | 中兴通讯股份有限公司 | Flow mobility support capability processing method, flow mobility support capability processing device and PDN GW (packet data network gateway) |
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| CN110417568B (en) * | 2018-04-28 | 2021-10-26 | 华为技术有限公司 | NFV strategy negotiation method and system |
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| US20080086473A1 (en) * | 2006-10-06 | 2008-04-10 | Prodigen, Llc | Computerized management of grouping access rights |
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