CN102549978B - Network selection method, network device and network system - Google Patents
Network selection method, network device and network system Download PDFInfo
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- CN102549978B CN102549978B CN200980118284.1A CN200980118284A CN102549978B CN 102549978 B CN102549978 B CN 102549978B CN 200980118284 A CN200980118284 A CN 200980118284A CN 102549978 B CN102549978 B CN 102549978B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5691—Access to open networks; Ingress point selection, e.g. ISP selection
- H04L12/5692—Selection among different networks
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Abstract
A network selection method, network device and network system are provided in the embodiments of the present invention. The network selection method includes: receiving a request message which requests the switching of a packet data network connection to a target network; determining information of service streams required to be switched to the target network according to the obtained network selection information.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of network selecting method, the network equipment and network system.
Background technology
At present, certain customers' equipment (User Equipment, UE) multiple access capability can be supported, as UE both can access external network by 3G network, also WLAN (Wireless LocalArea Network can be passed through, WLAN) access external network etc., UE can visit external network by a kind of access network, also can simultaneously by multiple access network access external network.
Service quality (the Quality ofService of the business that UE or network side can carry out according to the current needs of UE, QoS) requirement, the preference of UE, operator's preference, the Access Network that the service selection that the strategy such as the loading condition of network element ability or network carries out for the current needs of UE is suitable.Such as, UE wishes to carry out web page browsing by WLAN, then use WLAN to carry out web page browsing; Or network side, according to strategy, determines the speech business of UE to be placed in 3G Access Network to carry out etc.
In the prior art, if UE moves to the overlay area of another access network during from a kind of overlay area that accesses network, whole business of UE can be switched to target access network, as: after UE enters WLAN coverage, need to carry out ip voice voip phone, the business such as mail download, UE sets up data cube computation by WLAN, carry out these business, when UE have left WLAN coverage, after only having 3G to access, in order to keep business continuity, UE initiates data cube computation and switches, under network is switched to 3G network data cube computation, the then current ongoing VoIP of UE, under the business such as mail download are also all switched to 3G network.
But in some cases (when such as there is rate difference), UE may be unwilling to use certain access network to carry out certain business, and when only having the type access network to exist, UE may select the business stopping the type.Such as, UE surfs the Net in WLAN monthly payment, not limit flow; Be monthly 5 yuan of available 30M flows at 3G, when there being wlan network, user starts to download mail by WLAN, and when not having wlan network, user does not wish downloading service to be switched to 3G network, would rather stop downloading service.But in the prior art, when UE switches, network side cannot determine which service needed is switched to objective network, and which service needed is switched to objective network.
Summary of the invention
In view of this, the embodiment of the present invention proposes a kind of network selecting method, the network equipment and network system, achieves UE when switching, and network side can determine according to network selective information the business needing to be switched to objective network.
A kind of network selecting method, comprising:
Packet Data Network is connected the request message being switched to objective network by the request that receives;
Network selective information according to obtaining determines the Business Stream information needing to be switched to objective network.
A kind of network equipment, comprising:
Receiving element, connects for receiving request the request message being switched to objective network by Packet Data Network;
Determining unit, for determining according to the network selective information obtained the Business Stream information needing to be switched to objective network.
A kind of subscriber equipment, comprising:
Dispensing unit, selects information for configuration network;
Transmitting element, for the network selective information of described configuration is sent to the network equipment, with the Business Stream information making the described network equipment determine to need to be switched to objective network according to described network selective information.
A kind of network selection system, comprises data gateway and policy decision entity, wherein
Described policy decision entity, Packet Data Network is connected the request message being switched to objective network by the request sent for receiving described data gateway, network selective information according to obtaining determines the Business Stream information needing to be switched to objective network, and determines to need the Business Stream information being switched to objective network to send to described data gateway by described;
Described data gateway, for receiving the described Business Stream information determining to need to be switched to objective network that described policy decision entity sends, and the connection of described Packet Data Network is switched to objective network, described Packet Data Network connects and comprises the Business Stream needing to be switched to objective network.
Accompanying drawing explanation
Fig. 1 is the Organization Chart that the embodiment of the present invention has the subscriber equipment access network of multiple access ability;
Fig. 2 is embodiment of the present invention network selecting method first schematic diagram;
Fig. 3 is embodiment of the present invention network selecting method second schematic diagram;
Fig. 4 is embodiment of the present invention network selecting method the 3rd schematic diagram;
Fig. 5 is the schematic diagram of the embodiment of the present invention network equipment;
Fig. 6 is the schematic diagram of embodiment of the present invention subscriber equipment;
Fig. 7 is the schematic diagram of embodiment of the present invention network selection system.
Detailed description of the invention
The network selecting method, the network equipment and the network system that there is provided the embodiment of the present invention below in conjunction with accompanying drawing are described in detail.
With reference to accompanying drawing 1, a kind of UE with multiple access ability that the embodiment of the present invention provides is by multiple access network accessing group data network (Packet Data Ne, PDN) Organization Chart, UE can access PDN network by Access Network 1 and Access Network 2 simultaneously, wherein UE can access Access Network by access node, then by data gateway accessing group data network.Further, in order to service quality (the Qualitity of Service to UE business, QoS) manage, and the charging of UE is managed, network side can deployment strategy and charging controlling functions (Policy and Charging Control, PCC), in the PCC network architecture, QoS decision-making is done by the business datum of policy decision entity PCRF to UE, and the QoS rule of institute's decision-making is sent to data gateway, the business datum of the rule control UE that data gateway can send according to PCRF.
In the above-mentioned network architecture, access node can be mobile management network element, mobile management network element can comprise: Mobility Management Entity (Mobility Management Entity, MME), GPRS Service support node (Serving GPRS Support Node, SGSN)), IAD (Access Gateway, or gateway (Serving Gateway, SGW) etc. AG); Data gateway can be mobile anchor point, comprise: home agent (Home Agent, HA), local mobile anchor (Local Mobility Anchor, LMA)), packet data network gateway (PDN GW), Gateway GPRS Support Node GGSN etc.
With reference to accompanying drawing 2, embodiments provide a kind of method that network is selected, comprising:
202, receive request and grouped data network PDN is connected the request message being switched to objective network;
When subscriber equipment moves to the overlay area of second network from the overlay area of first network, subscriber equipment initiatively can initiate request to network side, asks the PDN of subscriber equipment to connect to be switched to objective network.
In embodiments of the present invention, it can be connection establishment request message that PDN is connected the request message being switched to objective network by the request that data gateway receives; Or
The request message that PDN connection is switched to objective network by the request that policy decision entity receives data gateway forwarding can be policy control update request message.
Alternatively, if subscriber equipment is provided with network selective information, then ask PDN to connect to be switched in the request message of objective network and can to comprise network selective information.
204, determine according to the network selective information obtained the Business Stream information needing to be switched to objective network.
Wherein, network selective information comprises: the network selection strategy corresponding with at least one in subscriber equipment and type of service, and wherein network selection strategy can comprise manual network selection or automatic network selection, and available network type etc.The network selection strategy corresponding with at least one in subscriber equipment and type of service, comprising:
First kind of way: the network selection strategy corresponding with subscriber equipment, comprising:
Network selection strategy can be configured according to customer equipment identification, as: the available network type of the subscriber equipment of configuration category-A type comprises: wlan network, and the available network type of the subscriber equipment of category-B type comprises E-UTRAN network etc.; Or the subscriber equipment of configuration C type is manual network selection; The subscriber equipment of D type is automatic network selection.Wherein carrying out classification to subscriber equipment can based on the identification information of subscriber equipment, as IMSI International Mobile Subscriber Identity (International Mobile Subscriber Identity, or international mobile subscriber ISDN number (Mobile Station International ISDN Number IMSI), MSISDN) etc., if the subscriber equipment of MSISDN from 86135021000001 to 86135021000999 is category-A type, MSISDN is category-B type from the subscriber equipment of 86158021900001 to 86158021900999, also can based on the charging way of subscriber equipment, subscriber equipment as pre-payment is C type, the subscriber equipment of rear paying is D type etc.,
The second way: the network selection strategy corresponding with type of service, comprising:
The available network type that can arrange first kind business comprises WLAN and E-UTRAN network, and the available network type of Second Type business comprises wlan network, and the 3rd type service is manual network selection, and the 4th type service is automatic network selection etc.Can be wherein arbitrary to type of service classification, can based on the business of identical or close QoS as a type, or the business with identical source IP address or object IP address is as type etc.
The third mode: the network selection strategy corresponding with subscriber equipment and type of service, comprising:
The available network type that can arrange the first kind business of category-A subscriber equipment comprises WLAN and E-UTRAN network, the available network type of the Equations of The Second Kind business of category-B subscriber equipment comprises wlan network, the third window of the subscriber equipment of C type is manual network selection, and the 4th class business of the subscriber equipment of D type is automatic network selection etc.
It should be noted that, if the available network type of the business of subscriber equipment or some types comprises the type of the objective network that needs switch, then show that this subscriber equipment or business can be switched to objective network, otherwise, can not objective network be switched to.If the business of subscriber equipment or a certain type is automatic network selection, then show that this subscriber equipment or business can be switched to objective network; If manual network selection, then show that this subscriber equipment or business can not be switched to objective network.
Wherein, can not objective network be switched to, then can select to continue to reside in current network or termination.
Network selective information according to obtaining is determined to need the Business Stream information being switched to objective network to comprise:
If 1 network selective information is configured according to first kind of way, then determine that the subscriber equipment sent a request message is automatic network selection or manual network selection, if manual network selection, then do not allow all Business Streams of described subscriber equipment to be switched to objective network; Or if automatic network selection, then allow all Business Streams of described subscriber equipment to be switched to objective network; Or
Determine the subscriber equipment that sends a request message can network type whether comprise the type of objective network, if comprised, then allow all Business Streams of described subscriber equipment to be switched to objective network; If or do not comprise, then do not allow all Business Streams of described subscriber equipment to be switched to objective network.
If 2 network selective informations are configured according to the second way, then determining that PDN connects ongoing Business Stream is automatic network selection or manual network selection, if automatic network selection, this Business Stream is then allowed to be switched to objective network, if manual network selection, then do not allow this Business Stream to be switched to objective network; Or
Determine that PDN connects ongoing Business Stream available network type and whether comprises objective network, if comprised, then allow this Business Stream to be switched to objective network, if or do not comprise, then do not allow described Business Stream to be switched to objective network.
If 3 network selective informations are configured according to the third mode, then determine that the ongoing Business Stream of subscriber equipment sent a request message is automatic network selection or manual network selection, if automatic network selection, the Business Stream of this subscriber equipment is then allowed to be switched to objective network, if manual network selection, then do not allow the Business Stream of this subscriber equipment to be switched to objective network; Or
Determine whether the available network type of the ongoing Business Stream of subscriber equipment sent a request message comprises objective network, if comprised, the Business Stream of this subscriber equipment is then allowed to be switched to objective network, if or do not comprise, then do not allow the Business Stream of this subscriber equipment to be switched to objective network.
Wherein, can not objective network be switched to, then can select to continue to reside in current network or termination.
Further, data gateway also can carry out alternately with policy control entity, upgrades the policy control rule needing the business of the subscriber equipment being switched to objective network, comprising:
After data gateway receives the handover request of subscriber equipment, if data gateway has policy control functions, then data gateway and policy decision entity carry out alternately, upgrade the policy control rule of subscriber equipment.
Further, the PDN of subscriber equipment also can be connected the request message being switched to objective network and be transmitted to policy decision entity by request by data gateway, and policy decision entity determines whether business current for subscriber equipment to be switched to objective network according to the network selective information obtained.If determine current for subscriber equipment business of carrying out to be switched to objective network, then policy decision entity sends to data gateway by after the policy control Policy Updates of this Business Stream, wherein comprises the Business Stream information needing to be switched to objective network; If determine the Business Stream not being switched to objective network, in the policy control rule that policy decision entity sends, do not comprise the information of this Business Stream, or do not upgrade the policy control rule of this Business Stream, or by policy control redundant rule elimination of this Business Stream etc.
Wherein network selective information can be configured at least one in subscriber equipment, policy decision entity PCRF, access network discovery and selection entity A NDSF, CAMEL-Subscription-Information storehouse (SPR or HSS), certificate server (AAAServer), application server and data gateway.
Further, after data gateway determines the Business Stream information needing to be switched to objective network, needs are switched to objective network ground Business Stream information and are switched to objective network by Packet Data Network's connection; Or
After policy decision entity determines the Business Stream information needing to be switched to objective network, needs are switched to objective network ground Business Stream information and send to data gateway, needs are switched to objective network ground Business Stream information and are switched to objective network by Packet Data Network's connection by data gateway.
Further, can there is one or more PDN simultaneously and connect in a subscriber equipment, and each PDN connects a corresponding subscriber equipment, and each PDN may have zero, one or more Business Stream on connecting.When subscriber equipment switches, the PDN of current for this subscriber equipment existence can be connected and be switched to objective network, further, Business Stream during some specific PDN are connected, part can be switched to objective network along with PDN connects, also all objective network can be switched to along with PDN connects, also all objective network etc. can be switched to along with PDN connects.
Wherein do not need the Business Stream being switched to objective network can rest on former network or termination.
The network selecting method that the embodiment of the present invention provides, when subscriber equipment switches, network side determines whether the Business Stream of subscriber equipment to be switched to objective network according to the network selective information pre-set, further, if allow to switch, the Business Stream switched then will be needed to be switched to objective network, to achieve service control that user or operator can be flexible, easy to the user demand of network.
With reference to accompanying drawing 3, another one embodiment of the present invention provides a kind of network selecting method, comprising:
301, UE is accessed by wlan network, request is set up to data gateway as UE sends data cube computation by the access point (former side access point) of wlan network, data gateway is to UE return data connection establishment response message, and the PDN connection establishment between UE and data gateway is successful.
302, UE sends business and sets up request to application server;
As UE needs to carry out music download service, then UE initiates business and sets up request to application server, request down-load music.
Alternatively, if UE is provided with network selective information, then this business is set up in request and can be comprised this network selective information.
303, application server sends business information to policy decision entity, can comprise network selective information in this business information.
Further, application server obtains network selective information, comprising:
Application server can obtain network selective information according to configuration in advance, or obtains network selective information from the business foundation request received.
When the pre-configured network selective information of application server, application server can obtain network selective information according at least one in the mark of subscriber equipment and type of service, comprising:
1, determine that this UE is automatic network selection or manual network selection according to the mark of UE, and send to policy decision entity; Or determine according to the mark of UE the access network type that this UE supports, and send to policy decision entity.
2, according to this type of service determine business that this UE asks can network type, and send to policy decision entity, the available network type of business as current in this UE is wlan network or E-UTRAN network.
3, according to the type of the mark of UE and the business of request, determine UE current request business can network type, and send to policy decision entity, the available network type of business as current in this UE is wlan network or E-UTRAN network.
When application server obtains network selective information from the business foundation request received, namely this network selective information is the network selective information of this UE and/or this business.
304, policy decision entity becomes Business Stream delineation of activities, and the policy control of decision business stream is regular, as the QoS etc. of Business Stream.Policy decision entity sends to data gateway the policy control rule of Business Stream, and alternatively, network selective information can also be sent to data gateway by policy decision entity.
305, data gateway sets up the bearing tunnel of Business Stream according to policy control rule.This bearing tunnel for carry UE carry out the data message of business.
Further, when policy decision entity sends network selective information to data gateway, data gateway receives and preserves this network selective information.
So far, complete the foundation of UE institute requested service, and the foundation carried between UE and data gateway, UE can carry out exchanges data by the carrying of foundation and external network.
306, when rete mirabile switching occurs UE, UE sends connection establishment request to data gateway by the access point of objective network;
As UE is moved, E-UTRAN overlay area is moved to from WLAN coverage, the WLAN signal decay of UE, E-UTRAN signal strengthens, UE sends connection establishment request to mobile management entity MME by target side network (E-UTRAN), MME sends connection establishment request message again to gateway and data gateway, and request data connects (PDN connection) and is switched to target side network.
Further, the handover request of this UE comprises the information of the objective network that UE will switch, and also can comprise the network selective information that UE is arranged.
If 307 data gateways have policy control functions, then data gateway and policy decision entity interaction, determines whether that the business by this PDN of UE connects is switched to objective network.
(1) if data gateway gets network selective information, then data gateway determines whether the business of UE to be switched to objective network according to the network selective information obtained, or which business of UE is switched to objective network.
(2) if data gateway does not get network selective information, then data gateway and policy decision entity carry out alternately, the handover request of UE is forwarded to policy decision entity, the information of the objective network that UE will switch can be comprised in this handover request, policy decision entity is according to the network selective information obtained, determine whether the business of UE to be switched to objective network, or which business of UE is switched to objective network.
Wherein, each data cube computation of UE may include zero, one or more Business Stream as PDN connects, further, data gateway or policy decision entity can determine whether the Business Stream of UE to be switched to objective network according to the network selective information obtained, and at least comprise:
If the available network type of A UE comprises the type of objective network, then allow by all Business Streams of UE along with data cube computation is switched to objective network together, otherwise the Business Stream of UE is rested on current network or termination; Or
If UE is automatic network selection, then allow all Business Streams of UE along with data cube computation is switched to objective network together; If this UE is manual network selection, then the Business Stream of UE is rested on current network or termination;
If the available network type of the Business Stream during this PDN of B connects comprises the type of objective network, then allow this Business Stream to be switched to objective network, otherwise this Business Stream is rested on current network or termination; Or
If the Business Stream during this PDN connects is automatic network selection, then allow this Business Stream to be switched to objective network; If the industry stream business during this PDN connects is manual network selection, this Business Stream is rested on current network or termination;
If the available network type of the ongoing Business Stream of this UE of C comprises the type of objective network, then allow the Business Stream of this UE to be switched to objective network, otherwise the Business Stream of this UE is rested on current network or termination; Or
If if the ongoing Business Stream of UE is automatic network selection, then allowed the Business Stream of UE along with data cube computation is switched to objective network together; If the ongoing Business Stream of this UE is manual network selection, then the business of this UE is rested on current network or termination.
Further, policy control rule such as the QoS etc. that UE can be switched to the Business Stream of objective network by policy decision entity sends to data gateway, and data gateway upgrades the policy control rule of UE.
If data gateway does not possess policy control functions, then this data gateway discord policy decision entity carries out alternately, the strategy of local configuration can be used to carry out QoS to Business Stream for data gateway and/or charging controls, and directly determines whether to allow the business of UE to be switched to objective network according to the network selective information obtained.
308, data gateway sets up data cube computation at objective network, sends connection establishment response message to UE by the access point of objective network.The PDN of UE connection is switched to objective network by data gateway, and this PDN comprises the Business Stream that the above-mentioned need determined are switched to objective network in connecting.
309, set up carrying according to the policy control rule upgraded between UE and data gateway, realize business datum by the carrying of setting up and exchange.
In embodiments of the present invention, network selective information also can be configured on data gateway, as the network selection information of configuration service type on data gateway in advance, or configures the network selective information of all kinds of business of all kinds of UE.Data gateway also can obtain this network selective information from other network elements, as data gateway obtains network selective information etc. from policy decision entity PCRF, access network discovery and selection entity A NDSF, CAMEL-Subscription-Information storehouse (SPR or HSS), certificate server (AAA Server) etc.
The network selecting method that the embodiment of the present invention provides, can according at least one in UE mark and type of service, and the network type of objective network determines whether the current business of UE to be switched to objective network, achieve and the switching determining Business Stream is set according to UE or operator, meet the demand of user under different scene.
With reference to accompanying drawing 4, another one embodiment of the present invention provides a kind of network selecting method, comprising:
401, UE is accessed by wlan network, and set up request to data gateway as UE sends data cube computation by wlan network, data gateway is to UE return data connection establishment response message, and the PDN connection establishment between UE and data gateway is successful.
402, UE starts a business, and UE sends resource allocation request message, is traffic assignments resource; This resource allocation request message is sent to data gateway by access node;
As UE needs to carry out music download service, then UE sends resource allocation request message to data gateway by access node.
Further, if UE is provided with network selective information, then the business that this UE sends sets up the network selective information that can comprise this UE in request.
403, when data gateway has policy control functions, carry out alternately with policy decision entity, acquisition strategy control law is as qos parameter etc., and further, the network selective information of business can also be sent to policy decision entity by data gateway.
If when data gateway does not have policy control functions, then data gateway does not carry out with policy decision entity alternately, and data gateway also can according to the resource allocation request message generation strategy control law of UE, as qos parameter etc.
Further, can arrange network selective information on data gateway, also can arrange network selective information on policy decision entity, data gateway also can carry out alternately with other network elements, as HSS, ANDSF, AAA Server etc., obtains network selective information.
404, data gateway sets up the bearing tunnel of Business Stream according to policy control rule.This bearing tunnel for carry UE carry out the data message of business.
So far, complete the foundation of UE institute requested service, and the foundation of the carrying of business between UE and data gateway, UE can carry out the exchanges data of this business by the carrying of foundation and external network.
405, when rete mirabile switching occurs UE, UE sends connection establishment request to data gateway by the access node of objective network;
As UE is moved, E-UTRAN overlay area is moved to from WLAN coverage, the WLAN signal decay of UE, E-UTRAN signal strengthens, UE sends connection establishment request to mobile management entity MME by target side network (E-UTRAN), MME sends and sets up request message to gateway and data gateway, and request data connects (PDN connection) and is switched to target side network.
406, data gateway and policy decision entity interaction, determines whether the business of UE to be switched to objective network.
The content that network selective information can comprise can with reference to the description in step 303, and data gateway determines whether that the process business of UE being switched to objective network can with reference to step 307.
It should be noted that, if data gateway does not possess policy control functions, then this data gateway discord policy decision entity carries out alternately, the strategy of local configuration can be used to carry out QoS to Business Stream for data gateway and/or charging controls, and directly determines whether to allow the business of UE to be switched to objective network according to the network selective information obtained.
407, data gateway sets up data cube computation at target side network, sends connection establishment response message.The PDN of UE connection is switched to objective network transmitting-receiving by data gateway, and this PDN comprises the Business Stream that the above-mentioned need determined are switched to objective network in connecting.
408, set up carrying according to the policy control rule upgraded between UE and data gateway, realize business datum by the carrying of setting up and exchange.
The network selecting method that the embodiment of the present invention provides, can according at least one in the mark of UE and type of service, and the network type of objective network determines whether the current business of UE to be switched to objective network, achieve the switching determining Business Stream according to the configuration of UE or operator, meet the demand of user under different scene.
Embodiments provide a kind of network equipment, comprising:
Receiving element 502, connects for receiving request the request message being switched to objective network by the Packet Data Network of subscriber equipment;
Determining unit 504, for determining according to the network selective information obtained the Business Stream information needing to be switched to objective network.
In another one embodiment of the present invention, when the network equipment is data gateway, also comprise:
Switch unit, is switched to objective network for described Packet Data Network being connected, and described Packet Data Network connects the described Business Stream needing to be switched to objective network comprising described determining unit 504 and determine.
In another one embodiment of the present invention, when the network equipment is policy decision entity, also comprise:
Transmitting element, for the described Business Stream information being switched to objective network that needs determined is sent to data gateway, to make described data gateway that the connection of described Packet Data Network is switched to objective network, described Packet Data Network connects the described Business Stream needing to be switched to objective network comprising described transmitting element and send.
In another one embodiment of the present invention, network selective information comprises the network selection strategy corresponding with subscriber equipment, comprising:
Network selection strategy can be configured according to customer equipment identification, as: the available network type of the subscriber equipment of configuration category-A type comprises: wlan network, and the available network type of the subscriber equipment of category-B type comprises E-UTRAN network etc.; Or the subscriber equipment of configuration C type is manual network selection; The subscriber equipment of D type is automatic network selection.
In another one embodiment of the present invention, network selective information comprises the network selection strategy corresponding with type of service, comprising:
The available network type that can arrange first kind business comprises WLAN and E-UTRAN network, and the available network type of Second Type business comprises wlan network, and the 3rd type service is manual network selection, and the 4th type service is automatic network selection etc.Can be wherein arbitrary to type of service classification, can based on the business of identical or close QoS as a type, or the business with identical source IP address or object IP address is as type etc.
In another one embodiment of the present invention, network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, comprising:
The available network type that can arrange the first kind business of category-A subscriber equipment comprises WLAN and E-UTRAN network, the available network type of the Equations of The Second Kind business of category-B subscriber equipment comprises wlan network, the third window of the subscriber equipment of C type is manual network selection, and the 4th class business of the subscriber equipment of D type is automatic network selection etc.
It should be noted that, if the available network type of the business of subscriber equipment or some types comprises the type of the objective network that needs switch, then show that this subscriber equipment or business can be switched to objective network, otherwise, can not objective network be switched to.If the business of subscriber equipment or a certain type is automatic network selection, then show that this subscriber equipment or business can be switched to objective network; If manual network selection, then show that this subscriber equipment or business can not be switched to objective network.
Wherein, can not objective network be switched to, then can select to continue to reside in current network or termination.
In another one embodiment of the present invention, when network selective information comprises the network selection strategy corresponding with subscriber equipment, described determining unit 504 determines that described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then allow the Business Stream of described subscriber equipment to rest on current network or termination; Or if automatic network selection, then allow the Business Stream of described subscriber equipment to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment, described determining unit 504 determines whether the network type that described subscriber equipment can access comprises objective network, if comprised, then allow the Business Stream of described subscriber equipment to be switched to objective network; If or do not comprise, then allow the Business Stream of described subscriber equipment to rest on current network or termination.
In another one embodiment of the present invention, when network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, described determining unit 504 determines that the ongoing Business Stream of described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then described Business Stream is allowed to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, described determining unit 504 determines whether the available network type of the ongoing Business Stream of described subscriber equipment comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination.
In another one embodiment of the present invention, when network selective information comprises the network selection strategy corresponding with type of service, it is automatic network selection or manual network selection that described determining unit 504 determines that described Packet Data Network connects ongoing Business Stream, if manual network selection, then allow described Business Stream to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with type of service, described determining unit 504 determines whether the available network type that described Packet Data Network connects ongoing Business Stream comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination.
In embodiments of the present invention, this network equipment can be data gateway, as packet data gateway PDNGW, also can be policy decision entity PCRF etc.
In another one embodiment of the present invention, wherein when network selective information comprise according to the mark of subscriber equipment, network selection strategy is set time, this network selective information can be configured at least one in subscriber equipment, policy decision entity PCRF, access network discovery and selection entity A NDSF, CAMEL-Subscription-Information storehouse (SPR or HSS), certificate server (AAA Server), application server and data gateway; Or
When network selective information comprises, network selection strategy is set according to the mark of subscriber equipment and type of service, and/or when arranging network selection strategy according to type of service, this network selective information can be configured at least one in policy decision entity PCRF, access network discovery and selection entity A NDSF, CAMEL-Subscription-Information storehouse (SPR or HSS), certificate server (AAA Server), application server and data gateway.
The network equipment that the embodiment of the present invention provides, can according at least one in the mark of UE and type of service, and the network type of objective network determines whether the current business of UE to be switched to objective network, achieve the switching determining Business Stream according to the configuration of UE or operator, meet the demand of user under different scene.
With reference to accompanying drawing 6, embodiments provide a kind of subscriber equipment, comprising:
Dispensing unit 602, selects information for configuration network;
Transmitting element 604, for the network selective information of described configuration is sent to the network equipment, with the Business Stream information making the described network equipment determine to need to be switched to objective network according to described network selective information.
In another one embodiment of the present invention, network selective information comprises the network selection strategy corresponding with type of service; And at least one in the network selection strategy corresponding with subscriber equipment and type of service.
In another one embodiment of the present invention, the network selection strategy corresponding with type of service comprises:
The available network type that can arrange first kind business comprises WLAN and E-UTRAN network, and the available network type of Second Type business comprises wlan network, and the 3rd type service is manual network selection, and the 4th type service is automatic network selection etc.Can be wherein arbitrary to type of service classification, can based on the business of identical or close QoS as a type, or the business with identical source IP address or object IP address is as type etc.
In another one embodiment of the present invention, the network selection strategy corresponding with type of service and subscriber equipment comprises: the available network type that can arrange the first kind business of category-A subscriber equipment comprises WLAN and E-UTRAN network, the available network type of the Equations of The Second Kind business of category-B subscriber equipment comprises wlan network, the third window of the subscriber equipment of C type is manual network selection, and the 4th class business of the subscriber equipment of D type is automatic network selection etc.
It should be noted that, if the available network type of the business of subscriber equipment or some types comprises the type of the objective network that needs switch, then show that this subscriber equipment or business can be switched to objective network, otherwise, can not objective network be switched to.If the business of subscriber equipment or a certain type is automatic network selection, then show that this subscriber equipment or business can be switched to objective network; If manual network selection, then show that this subscriber equipment or business can not be switched to objective network.
Wherein, can not objective network be switched to, then can select to continue to reside in current network or termination.
The network equipment can be packet data gateway or policy decision entity in embodiments of the present invention.
The network selective information of configuration can be sent to the network equipment by the subscriber equipment that the embodiment of the present invention provides, when subscriber equipment switches, the network equipment can be determined which business of subscriber equipment to be switched to objective network according to network selective information, achieve the Business Stream information determining to need switching according to configuration in advance, meet the differentiated demand of subscriber equipment.
With reference to accompanying drawing 7, embodiments provide a kind of network selection system, comprise data gateway 702 and policy decision entity 704, wherein
Policy decision entity 704, Packet Data Network is connected the request message being switched to objective network by the request sent for receiving data gateway 702, network selective information according to obtaining determines the Business Stream information needing to be switched to objective network, and needs the Business Stream information being switched to objective network to send to data gateway 702 by determining;
Data gateway 702, the determination sent for receiving policy decision entity 704 needs to be switched to the Business Stream information of objective network, and Packet Data Network's connection is switched to objective network, and this Packet Data Network connects and comprises the Business Stream needing to be switched to objective network.
The network selection system that the embodiment of the present invention provides, can according at least one in the mark of UE and type of service, and the network type of objective network determines whether the current business of UE to be switched to objective network, achieve the switching determining Business Stream according to the configuration of UE or operator, meet the demand of user under different scene.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. a network selecting method, is characterized in that, comprising:
Packet Data Network is connected the request message being switched to objective network by the request that receives; Described request message comprises network selective information;
Network selective information according to obtaining determines the Business Stream information needing to be switched to objective network;
The connection of described Packet Data Network is switched to objective network by data gateway, and described Packet Data Network comprises the Business Stream needing to be switched to objective network that described data gateway is determined in connecting; Or
The Business Stream information being switched to objective network that needs determined is sent to packet data gateway according to plan entity by strategy, to make described data gateway that the connection of described Packet Data Network is switched to objective network, described Packet Data Network connects the described Business Stream needing to be switched to objective network comprising described transmitting element and send;
Described network selective information comprises the network selection strategy corresponding with at least one in subscriber equipment and type of service;
The described network selective information according to obtaining is determined to need the Business Stream information being switched to objective network to comprise:
When network selective information comprises the network selection strategy corresponding with subscriber equipment, determine that described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then allow the Business Stream of described subscriber equipment to rest on current network or termination; Or if automatic network selection, then allow the Business Stream of described subscriber equipment to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment, determine whether the network type that described subscriber equipment can access comprises objective network, if comprised, then allow the Business Stream of described subscriber equipment to be switched to objective network; If or do not comprise, then allow the Business Stream of described subscriber equipment to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, determine that the ongoing Business Stream of described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then described Business Stream is allowed to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, determine whether the available network type of the ongoing Business Stream of described subscriber equipment comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with type of service, determining that described Packet Data Network connects ongoing Business Stream is automatic network selection or manual network selection, if manual network selection, then allow described Business Stream to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with type of service, determine whether the available network type that described Packet Data Network connects ongoing Business Stream comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination.
2. network selecting method as claimed in claim 1, is characterized in that, also comprise:
Current network or termination is rested on by not needing the Business Stream being switched to objective network.
3. network selecting method as claimed in claim 1, is characterized in that, also comprise:
Described network selective information is obtained from least one network element in subscriber equipment, policy decision entity, home subscriber server, application server and data gateway.
4. a network equipment, is characterized in that, comprising:
Receiving element, connects Packet Data Network the request message being switched to objective network for asking; Described request message comprises network selective information;
Determining unit, for determining according to the network selective information obtained the Business Stream information needing to be switched to objective network;
Switch unit, is switched to objective network for described Packet Data Network being connected, and described Packet Data Network connects the described Business Stream needing to be switched to objective network comprising described determining unit and determine; Or
Transmitting element, for the described Business Stream information being switched to objective network that needs determined is sent to data gateway, to make described data gateway that the connection of described Packet Data Network is switched to objective network, described Packet Data Network connects the described Business Stream needing to be switched to objective network comprising described transmitting element and send;
When network selective information comprises the network selection strategy corresponding with subscriber equipment, described determining unit determines that described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then allow the Business Stream of described subscriber equipment to rest on current network or termination; Or if automatic network selection, then allow the Business Stream of described subscriber equipment to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment, described determining unit determines whether the network type that described subscriber equipment can access comprises objective network, if comprised, then allow the Business Stream of described subscriber equipment to be switched to objective network; If or do not comprise, then allow the Business Stream of described subscriber equipment to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, described determining unit determines that the ongoing Business Stream of described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then described Business Stream is allowed to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, described determining unit determines whether the available network type of the ongoing Business Stream of described subscriber equipment comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with type of service, it is automatic network selection or manual network selection that described determining unit determines that described Packet Data Network connects ongoing Business Stream, if manual network selection, then allow described Business Stream to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with type of service, described determining unit determines whether the available network type that described Packet Data Network connects ongoing Business Stream comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination.
5. a subscriber equipment, is characterized in that, comprising:
Dispensing unit, selects information for configuration network;
Transmitting element, for the network selective information of described configuration is sent to the network equipment, with the Business Stream information making the described network equipment determine to need to be switched to objective network according to described network selective information;
The described network equipment is determined to need the Business Stream information being switched to objective network to comprise according to described network selective information:
When network selective information comprises the network selection strategy corresponding with subscriber equipment, determine that described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then allow the Business Stream of described subscriber equipment to rest on current network or termination; Or if automatic network selection, then allow the Business Stream of described subscriber equipment to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment, determine whether the network type that described subscriber equipment can access comprises objective network, if comprised, then allow the Business Stream of described subscriber equipment to be switched to objective network; If or do not comprise, then allow the Business Stream of described subscriber equipment to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, determine that the ongoing Business Stream of described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then described Business Stream is allowed to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, determine whether the available network type of the ongoing Business Stream of described subscriber equipment comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with type of service, determining that Packet Data Network connects ongoing Business Stream is automatic network selection or manual network selection, if manual network selection, then allow described Business Stream to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with type of service, determine whether the available network type that described Packet Data Network connects ongoing Business Stream comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination.
6. a network selection system, is characterized in that, comprises data gateway and policy decision entity, wherein
Described policy decision entity, Packet Data Network is connected the request message being switched to objective network by the request sent for receiving described data gateway, network selective information according to obtaining determines the Business Stream information needing to be switched to objective network, and determines to need the Business Stream information being switched to objective network to send to described data gateway by described;
Described data gateway, for receiving the described Business Stream information determining to need to be switched to objective network that described policy decision entity sends, and the connection of described Packet Data Network is switched to objective network, described Packet Data Network connects and comprises the Business Stream needing to be switched to objective network;
When network selective information comprises the network selection strategy corresponding with subscriber equipment, determine that subscriber equipment is automatic network selection or manual network selection, if manual network selection, then allow the Business Stream of described subscriber equipment to rest on current network or termination; Or if automatic network selection, then allow the Business Stream of described subscriber equipment to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment, determine whether the network type that described subscriber equipment can access comprises objective network, if comprised, then allow the Business Stream of described subscriber equipment to be switched to objective network; If or do not comprise, then allow the Business Stream of described subscriber equipment to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, determine that the ongoing Business Stream of described subscriber equipment is automatic network selection or manual network selection, if manual network selection, then described Business Stream is allowed to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with subscriber equipment and type of service, determine whether the available network type of the ongoing Business Stream of described subscriber equipment comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination;
When network selective information comprises the network selection strategy corresponding with type of service, determining that described Packet Data Network connects ongoing Business Stream is automatic network selection or manual network selection, if manual network selection, then allow described Business Stream to rest on current network or termination; Or if automatic network selection, then allow described Business Stream to be switched to objective network; Or
When network selective information comprises the network selection strategy corresponding with type of service, determine whether the available network type that described Packet Data Network connects ongoing Business Stream comprises objective network, if comprised, described Business Stream is then allowed to be switched to objective network, if or do not comprise, then allow described Business Stream to rest on current network or termination.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2009/074427 WO2011044725A1 (en) | 2009-10-14 | 2009-10-14 | Network selection method, network device and network system |
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| CN102549978B true CN102549978B (en) | 2015-03-25 |
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| CN110149669B (en) | 2018-02-13 | 2022-02-11 | 华为技术有限公司 | Method for controlling terminal to use wireless network and related equipment |
| CN110225099B (en) * | 2019-05-20 | 2023-10-24 | 中国平安财产保险股份有限公司 | Data processing method, front-end client, back-end server and storage medium |
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| CN101340669A (en) * | 2008-08-14 | 2009-01-07 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal, communication method and system thereof |
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| CN100362882C (en) * | 2004-06-07 | 2008-01-16 | 华为技术有限公司 | Method for multimode terminal to select service network |
| ATE378791T1 (en) * | 2005-04-28 | 2007-11-15 | Research In Motion Ltd | NETWORK SELECTION PROCEDURE USING A ROAMING BROKER |
| CN101442744B (en) * | 2007-11-23 | 2010-08-04 | 华为技术有限公司 | Method, equipment and system for switching isomerization access network |
| CN101453779A (en) * | 2007-11-30 | 2009-06-10 | 中国移动通信集团公司 | Method for selecting access network and network side apparatus |
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| CN1832438A (en) * | 2005-03-08 | 2006-09-13 | 华为技术有限公司 | Service switchover system of next network and its method |
| CN101340669A (en) * | 2008-08-14 | 2009-01-07 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal, communication method and system thereof |
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