CN102333360A - Network selection method and device for user equipment - Google Patents
Network selection method and device for user equipment Download PDFInfo
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- CN102333360A CN102333360A CN201110327287A CN201110327287A CN102333360A CN 102333360 A CN102333360 A CN 102333360A CN 201110327287 A CN201110327287 A CN 201110327287A CN 201110327287 A CN201110327287 A CN 201110327287A CN 102333360 A CN102333360 A CN 102333360A
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Abstract
The invention discloses a network selection method for user equipment. The method comprises that: the user equipment establishes connection with a network side, receives network selection information formulated by the network side and performs network selection according to the network selection information, or receives the network selection information and a forcible network selection indication, and selects a network specified by the forcible network selection indication for accessing according to the network selection information, wherein the network selection information is information about all or a part of networks available for the user equipment at a current position. The invention also discloses the user equipment and a network selection function device. By the network selection method provided by the invention, the network can control the access network selection range of the UE.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to the method and the device of selecting network by user equipment.
Background technology
Along with to the radio communication service growth of requirement; Increasing wireless communication technology or is stepped into the practical stage; For example; Widely used GSM/GPRS (Global System for Mobile communications/General Packet Radio System) system; UMTS (Universal Mobile Telecommunications System) system, WLAN (Wireless Local Area Network) system is stepping into WiMAX (the Worldwide Interoperability for Microwave Access) system of practical stage etc.These wireless access technologys have different ability characteristics separately, and for example, gsm system can provide large-scale mobility and good speech business quality, but data service rate is very low; The UMTS system can provide large-scale mobility and intermediate data rate, but data service capacity is little; Wlan system can provide high speed wireless data to insert, but basically mobility can not be provided, and coverage is very little simultaneously; The data service rate of WiMAX system and capacity be all than higher, but be merely able to provide the wireless coverage in medium zone, and certain mobility is provided.Can find out that independent wireless communication system is difficult to satisfy the user simultaneously to the many-sided requirement of radio communication service, promptly mobility is high, and coverage is big, and the speech business quality is good, and the data service ability is strong.Therefore, slowly forming the trend that merges between cordless communication network, promptly the cordless communication network based on different radio access technologies coexists in certain zone; Common service user; According to user's business demand, corresponding access capability is provided, promptly select suitable access network to be user's service.
In multiple wireless network and the environment deposited; The user can obtain professional essential condition from suitable network, and (User Equipment UE) can know the wireless network which its current position has and can insert to subscriber equipment; And then, select different access networks again according to business demand.
In realizing process of the present invention; The inventor finds to have following problem in the prior art at least: the network that the UE timing of prior art or not timing scanning possibly exist; Confirm the network that inserts according to scanning result and user's own selection strategy; But ignored the control of network, and selected access network for network control UE in the prior art, also do not had effective solution the UE access network.
Summary of the invention
The embodiment of the invention provides the method and the device of selecting network by user equipment, so that network control UE selects the scope of access network.
Embodiments of the invention provide a kind of method of selecting network by user equipment, and wherein subscriber equipment and network side connect, and comprising:
Said subscriber equipment receives the network selecting information that network side is formulated, and carries out network selecting according to said network selecting information, perhaps,
Said subscriber equipment receives network selecting information and the indication of pressure network selecting that network side is formulated, and indicates the network of appointment to insert according to the said pressure network selecting of said network selecting Information Selection;
Said network selecting information is the information of said subscriber equipment all or part of available network on current location.
Embodiments of the invention also provide a kind of user's set, comprise with lower unit:
Network connection unit is used for connecting with network side;
Information receiving unit is used to receive the network selecting information that the network information provides entity to formulate, and said network selecting information is the information of said user's set all or part of available network on current location;
The network selecting unit is used for according to said network selecting Information Selection network.
Embodiments of the invention also provide a kind of network selection functional device, comprise with lower unit:
Information collection unit is used to be collected as subscriber equipment and formulates the required information of network selecting information;
Information is formulated the unit, and the information that is used for providing according to said information collection unit is that said subscriber equipment is formulated network selecting information, and said network selecting information is the information of said subscriber equipment all or part of available network on current location;
Information issues the unit, is used for said network selecting information is offered said subscriber equipment.
The network selecting information that UE formulates according to the network selection functional entity in the embodiments of the invention is carried out network selecting, provides network control UE to select the solution of access network.
Description of drawings
Fig. 1 is that the UE of the embodiment of the invention one finds network selection functional entity process sketch map;
Fig. 2 is that the UE of the embodiment of the invention two finds network selection functional entity process sketch map;
Fig. 3 is that the UE of the embodiment of the invention three finds network selection functional entity process sketch map;
Fig. 4 is that the UE of the embodiment of the invention four finds network selection functional entity process sketch map;
Fig. 5 is that the UE of the embodiment of the invention five finds network selection functional entity process sketch map;
Fig. 6 is that the UE of the embodiment of the invention six finds network selection functional entity process sketch map;
Fig. 7 is the process sketch map of the network selection functional entity acquisition of information of the embodiment of the invention seven;
Fig. 8 is the process sketch map of the network selection functional entity acquisition of information of the embodiment of the invention eight;
Fig. 9 is the process sketch map that the UE of the embodiment of the invention nine receives network selecting information;
Figure 10 is the process sketch map that the UE of the embodiment of the invention ten receives network selecting information;
Figure 11 is the process sketch map that the UE of the embodiment of the invention 11 receives network selecting information;
Figure 12 is the process sketch map that the UE of the embodiment of the invention 12 receives network selecting information.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
UE selects the method for network to comprise the steps: in the embodiment of the invention
Steps A: UE and network side connect;
Step B:UE receives the network selecting information that network side provides;
Wherein, The network side entity (abbreviating the network selection functional entity as) that network selecting information is provided can be to have the entity of selecting network function in the core net; This entity can be individual entities in the network, also can be in other entities such as Mobility Management Entity, SGSN, IP gateway;
The network selecting information that the network selection functional entity provides can be all available Access Network information on the UE current location; Also possibly be the information of one or several Access Network in all available Access Networks, the available Access Network information in the scope of UE tenability for example.Network selecting information is that the network selection functional entity is formulated for this UE according to UE information of obtaining and/or Access Network information.Wherein, UE information can comprise tenability, UE current location, UE sign, the user signing contract information of UE to access technology; And QoS (Quality of Service; Quality of service) information etc., Access Network information can comprise type and sign, present load situation, QoS information, the physical layer access information of other networks that access network type, Access Network sign, Access Network connect, and coverage etc.Can also take all factors into consideration factors such as local policy, carrier policy when in addition, the network selection functional entity is UE formulation network selecting information.
Step C:UE carries out network selecting according to network selecting information.
Further, UE can also combine the network selecting strategy of network selecting information and self storage to carry out network selecting.Wherein, The network selecting strategy of UE storage can be one of following or combination in any: (1) network priority strategy; For example, the tabulation that Access Network is according to priority arranged, the tabulation that other networks that Access Network connects are according to priority arranged; The tabulation that mobile Operation Network is according to priority arranged, the tabulation that operator's sign is according to priority arranged etc.; (2) about whether the network enabled side is forced the strategy of network selecting; (3) the required access technology of specific transactions is supported situation, and for example, the regulation real-time video traffic must be passed through the WiMAX network insertion, and voice service must be passed through GSM, WCDMA or LTE network insertion etc.; (4) about the strategy of quality of service, for example, the standard value that QoS must reach etc.
UE can select to continue to reside in network, also can select to insert according to other networks that network selecting information is confirmed, can also manually select network according to network selecting information by the user.
Further, after UE finds the network selection functional entity, receive the network selecting information that network side provides according to the address information of this entity that obtains.If the network selection functional entity is an individual entities, what then UE got access to is the IP address of network selection functional entity; If the network selection functional entity is in other entities such as Mobility Management Entity, SGSN, IP gateway, what then UE got access to is the address information of the residing entity of network selection functional entity.Need to prove; If there are pre-configured annexation in residing entity of network selection functional entity and access network entity; Then access network entity can be transmitted the message of UE and the residing inter-entity of network selection functional entity according to pre-configured annexation; At this moment, UE need not to obtain the residing entity address message of network selection functional entity.The embodiment of the invention only is for describing conveniently, and the IP address that obtains the network selection functional entity with UE is an example, and the process of UE discovery network selection functional entity be described.
As shown in Figure 1, be the UE discovery network selection functional entity process sketch map of the embodiment of the invention one.Shown in step 1.1, UE finds that the detailed process of network selection functional entity comprises the steps: after being connected to Access Network 1 back
Step 1.2: the address information of static configuration network selection functional entity on UE.This address information can be the IP address of network selection functional entity, also can be the title of network selection functional entity.
If this address information is the title of network selection functional entity, then execution in step 1.3.
Step 1.3:UE obtains the IP address of network selection functional entity through DNS (Domain Name Server, name server) inquiry.
In the present embodiment, on UE, therefore, UE can read the address information of network selection functional entity, and not influence existing signaling process as required at any time with the address information static configuration of network selection functional entity.
As shown in Figure 2, be the UE discovery network selection functional entity process sketch map of the embodiment of the invention two.Shown in step 2.1, UE finds that through behind the Access Network 1 access communications network detailed process of network selection functional entity comprises the steps:
Step 2.2: the access device in the Access Network 1 (for example base station) sends to UE through bottom message (for example layer two message) with the address information of network selection functional entity; This message can adopt broadcast mode that the address information of network selection functional entity is broadcast to all UE, and mode that also can be through clean culture sends to UE with the address information of network selection functional entity.Above-mentioned address information can be the IP address of network selection functional entity, also can be the title of network selection functional entity.If this address information is the title of network selection functional entity, then execution in step 2.3.
Step 2.3:UE obtains the IP address of network selection functional entity through the DNS inquiry.
In the present embodiment, the address information of network selection functional entity can be configured and revise at network side, and UE can obtain the address of network selection functional entity in the process that connects with network side, need not extra Signalling exchange.
In following examples, the network selection functional entity address message can be the IP address or the title of network selection functional entity.If the network selection functional entity address message is the title of network selection functional entity, UE can obtain the IP address of network selection functional entity through the DNS inquiry, repeats no more.
As shown in Figure 3, be the UE discovery network selection functional entity process sketch map of the embodiment of the invention three.Shown in step 3.1, after UE is connected to the 3GPP Access Network, find that the detailed process of network selection functional entity comprises the steps:
Step 3.2:UE initiates to adhere to or the tracking area update process to Mobility Management Entity through the 3GPP Access Network.
The function of Mobility Management Entity comprises: management and the information (for example ID, mobility status, security parameter etc.) of storage user in network, for the user distributes temporary mark, the user is carried out functions such as Certificate Authority inspection.
Step 3.3:UE accomplishes attaching process or tracking area update, comprises Certificate Authority, and Location Registration carries foundation etc.
Step 3.4: Mobility Management Entity sends to adhere to UE through the 3GPP Access Network and accepts or tracking area update is accepted message, in message, carries the network selection functional entity address message.
Step 3.5:UE replys to adhere to Mobility Management Entity and accomplishes or tracking area update completion message.
Whether further, in step 3.2, UE can carry an indication parameter in attach request or tracking area update request message, be used to indicate UE to ask Mobility Management Entity to send the network selection functional entity address message.Then, in step 3.4, Mobility Management Entity can be according to this indication parameter, and whether decision sends the network selection functional entity address message to UE.
Present embodiment is applicable to the situation that UE carries out network insertion through the 3GPP Access Network, and UE can obtain the address information of network selection functional entity in accomplishing the process that access is adhered to or the position is upgraded, need not extra Signalling exchange.The existing non-access layer information of present embodiment utilization sends to UE with the network selection functional entity address message, belongs to non-access level solution, can not impact existing Access Network.
As shown in Figure 4, be the UE discovery network selection functional entity process sketch map of the embodiment of the invention four.Shown in step 4.1, after UE is connected to the 3GPP Access Network, find that the detailed process of network selection functional entity comprises the steps:
Step 4.2-4.5: similar with the step 3.2-3.5 among the embodiment three, difference is, Mobility Management Entity is to accepting adhering to of sending of UE or tracking area update accepts not carry in the message network selection functional entity address message.
Step 4.6:UE sends network selection functional physical address request message to Mobility Management Entity.
Step 4.7: Mobility Management Entity sends network selection functional physical address response message, the address information of carrying the network selection functional entity in this message to UE.
If this address information is the title of network selection functional entity, then UE obtains the IP address of network selection functional entity through the DNS inquiry.
Present embodiment is applicable to that UE carries out the situation of network insertion through the 3GPP Access Network; UE uses independent signaling to ask the network selection functional entity address message; Do not influence other signalings, thereby make that process and other processes of UE request network selection functional entity address message are independent.
As shown in Figure 5, be the UE discovery network selection functional entity process sketch map of the embodiment of the invention five.Shown in step 5.1, after UE is connected to the Access Network (like the WLAN Access Network) of untrusted, find that the detailed process of network selection functional entity comprises the steps:
Step 5.2:UE and ePDG (evolved Packet Data Gateway, the packet data gateway of evolution) initiate key change and Security Association is set up.
Step 5.3: carry out being carried on IKEv2 (Internet Key Exchange version 2; Internet key change version two) (the Extensible Authentication Protocol of the EAP on; Extensible Authentication Protocol) verification process carries out Certificate Authority to UE.
Step 5.4:UE sends the message IKE_AUTH Request that carries authentication information to ePDG.
Step 5.5:ePDG replys the IKE_AUTH Response that carries authentication information and configuration information to UE, carries the network selection functional entity address message in this message simultaneously.
Whether further, in step 5.4, UE can carry an indication parameter in IKE_AUTH Request message, be used to indicate UE to ask ePDG to send the network selection functional entity address message.In step 5.5, ePDG is according to adhering to the indication parameter that carries in the IKE_AUTH Request message, the address information whether decision sends the network selection functional entity to UE.
If decision is the title of network selection functional entity to the network selection functional entity address message that UE sends, then UE obtains the IP address of network selection functional entity through the DNS inquiry.
Present embodiment is applicable to that UE carries out the situation of network insertion through the Access Network of untrusted; EPDG informs UE through the IKE_AUTH message of setting up behind the tunnel with the network selection functional entity address message; Belong to non-access level solution, can not impact existing Access Network.
As shown in Figure 6, be the UE discovery network selection functional entity process sketch map of the embodiment of the invention six.Shown in step 6.1, after UE is connected to Access Network 1, find that the detailed process of network selection functional entity comprises the steps:
Step 6.2: Access Network 1 sends EAP Request/Identity message to UE and initiates the EAP authentication, increases a null sign at the end of the parameter of this message, increases one of parameter that the network selection functional entity address message carries as this message afterwards again.
Step 6.3:UE preserves the network selection functional entity address message, and replys EAP Response/Identity message, and Access Network 1 passes to aaa server with this message again.
The certification entity of step 6.4:UE and network side; And AAA/HSS (Authentication Authorization Accounting server/Home Subscription Server, authentication and authorization charging server/home subscriber server) accomplishes follow-up EAP verification process.
Present embodiment is applicable to the situation that UE carries out network insertion through the Access Network that adopts the EAP authentication mode; Through expansion EAP message; In EAP request/identity message, bring UE by AGW, belong to non-access level solution the network selection functional entity address message.
The method that the embodiment of the invention one to six provides multiple UE to find and select the network selection functional entity can initiatively be communicated by letter UE with the network selection functional entity, further, make the UE network selecting information of obtaining timely, initiatively become possibility.
As shown in Figure 7, be the process sketch map of the network selection functional entity acquisition of information of the embodiment of the invention seven.Detailed process comprises the steps:
Step 7.1: the network selection functional entity sends the UE information request message to UE, can comprise indication information in this message, is used to indicate UE to report which information.
Step 7.2:UE sends the UE report information to the network selection functional entity, and this message can comprise UE sign, UE to contents such as the tenability of access technology, UE current location information, QoS information, and the content of this message also can be set by UE.Further, if the message in the step 7.1 has been carried indication information, UE reports corresponding information according to indication.
Step 7.3: network selection functional entity stores UE information, and to UE answer UE validation of information message.Further, the network selection functional entity can also be formulated network selecting information for this UE according to UE information, and is carried in this answer message.
Step 7.4: the network selection functional entity sends the UE information request message to storage of subscriber data equipment (for example HSS), carries the UE sign in this message, can also comprise indication information, is used to indicate which information of storage of subscriber data equipment feedback.
Step 7.5: storage of subscriber data equipment is replied the UE info response message to the network selection functional entity, and this message can comprise information such as UE subscription data.Further, if the message in the step 7.4 has been carried indication information, then storage of subscriber data equipment according to the content of this indication information back and forth complex phase answer information.
Above-mentioned steps can be carried out by following compound mode: (a) execution in step 7.1 and 7.2 only; (b) execution in step 7.2 and 7.3 only; (c) order execution in step 7.1,7.2,7.3; (d) order execution in step 7.4,7.5.System can select use a kind of in (a)-(d) scheme according to actual conditions, or will be in (a)-(c) scheme a kind of and (d) scheme use simultaneously.
The multiple mode that present embodiment can provide the network selection functional entity to obtain UE information comprises to UE request, UE initiatively reporting, asking from other network equipments, or the combination of multiple mode.
As shown in Figure 8, be the process sketch map of the network selection functional entity acquisition of information of the embodiment of the invention eight.Detailed process comprises the steps:
Step 8.1: the network selection functional entity sends the Access Network information request message to Access Network, can also comprise indication information in this message, is used to indicate the recipient to report which information.
Step 8.2: Access Network sends the Access Network report information to the network selection functional entity, and this message can comprise type and sign, Access Network present load situation, QoS information, physical layer access information and the coverage etc. of other networks of access network type, Access Network sign, Access Network connection.Further, if the message in the step 8.1 has been carried indication information, Access Network reports corresponding information according to indication.
Step 8.3: network selection functional entity stores Access Network information, and to Access Network answer Access Network validation of information message.Further, this message can be carried network selecting information, for example covers other Access Network information of same scope.
Step 8.4: the network selection functional entity can carry the Access Network sign to the message of network operation and management system requested Access Network information in this message, can also comprise indication information in this message, is used to indicate the recipient to report which information.
Step 8.5: network operation and management system are replied Access Network information, for example Access Network sign, Access Network present load situation, QoS information, physical layer access information etc. to the network selection functional entity.Further, if the message in the step 8.4 has been carried indication information, network operation and management system report corresponding information according to indication.
Above-mentioned steps can be carried out by following compound mode: (a) execution in step 8.1 and 8.2 only; (b) execution in step 8.2 and 8.3 only; (c) order execution in step 8.1,8.2,8.3; (d) order execution in step 8.4,8.5.System can select use a kind of in (a)-(d) scheme according to actual conditions, or will be in (a)-(c) scheme a kind of and (d) scheme use simultaneously.
The multiple mode that present embodiment provides the network selection functional entity to obtain Access Network information, comprise to Access Network request, Access Network initiatively report, to network operation and management system requested, or the combination of multiple mode.Need to prove; The network selection functional entity can also be carried out the process of obtaining Access Network information, for example after the triggering of the message that receives other entities; When the network selection functional entity receives the message of UE acquisition request network selecting information, carry out the process of obtaining Access Network information.
The embodiment of the invention seven to eight provides the network selection functional entity to collect the method for UE information and Access Network information; Make the network selection functional entity can in time obtain the multidate information of UE and Access Network; Further, make the network selection functional entity become possibility for UE formulates effective network selecting information timely.
As shown in Figure 9, receive the process sketch map of network selecting information for the UE of the embodiment of the invention nine.In the present embodiment, UE can perhaps after the initial access of completion, perhaps in the executing location renewal process, perhaps after the renewal process of completing place, obtain network selecting information to the network selection functional entity requests in carrying out initial access process.Detailed process comprises the steps:
Step 9.1:UE sends the message of acquisition request network selecting information to the network selection functional entity.Can carry UE information in this message, for example UE sign, UE are to the tenability of access technology, UE current location information, QoS information etc.
Step 9.2: the network selection functional entity is that this UE formulates network selecting information according to the strategy on UE information, Access Network information, the network selection functional entity etc.
Step 9.3: the network selection functional entity is replied the network selecting info response message to UE, carries the network selecting information of formulating into UE in this message.
Shown in figure 10, receive the process sketch map of network selecting information for the UE of the embodiment of the invention ten.The difference of present embodiment and embodiment nine is that UE is after receiving specific events trigger, to network selection functional entity requests network selecting information.Above-mentioned particular event includes but not limited to that following situation: UE detects the current network signal weakening to certain threshold value, when perhaps the user manually selects Access Network, and the operation of certain application-specific on the perhaps said subscriber equipment, perhaps specific timer expires etc.Above-mentioned application-specific includes but not limited to following situation: QoS that this application program is had relatively high expectations ensures, this application program corresponding service can only be provided by WiMAX or wlan network etc.The UE of present embodiment is identical with embodiment nine to the detailed process of network selection functional entity requests network selecting information, repeats no more.
In the present embodiment, obtain the process of network selecting information by specific events trigger UE, thereby it is preferred in time to accomplish Access Network, improves communication quality.
Shown in figure 11, obtain the process sketch map of network selecting information to the network selection functional entity requests for the UE of the embodiment of the invention 11.Detailed process comprises the steps:
Step 11.1:UE sends the message of request registration to the network selection functional entity, can carry UE information in this message, and for example UE sign, UE are to the tenability of access technology, UE current location information, QoS information etc.
Step 11.2: the network selection functional entity is preserved the UE log-on message, and sends registration reply message and give UE.
Step 11.3: the network selection functional entity is formulated network selecting information for this UE.
Step 11.4: the network selection functional entity sends the network selecting Indication message to UE.If the content of this message comprises network selecting information, then UE receives this information, and the process of obtaining network selecting information finishes.Further, for strengthening the control ability of network side, can select particular network by network controls UE to network selection procedures; Be that the network selection functional entity is in the network selecting information that UE issues; Can only limit to a specific Access Network and access information thereof, this message can also be carried one simultaneously and forced the network selecting indication parameter, and indication UE moves to specific Access Network; If the network selecting of UE network enabled control then will select particular network to insert according to the network indication.
This step can periodically be carried out by the network selection functional entity; Also can carry out by specific events trigger network selection functional entity; Above-mentioned particular event can be the indication of network operation and management system; Perhaps need to coordinate the incident of load between Access Network, perhaps carrier policy changes, perhaps the indication of other network entities.
Optional, if the network selection functional entity does not comprise network selecting information to the network selecting Indication message that UE sends, but require UE acquisition request network selecting information, then execution in step 11.5 and step 11.6.
Step 11.5:UE sends the network selecting information request message to the network selection functional entity.This message can be carried UE information, and for example UE sign, UE are to the tenability of access technology, UE current location, qos requirement etc.
Step 11.6: the network selection functional entity is formulated and is sent network selecting information to UE, and promptly UE accomplishes the process of obtaining network selecting information.
Further; For strengthening the control ability of network side to network selection procedures; Can select particular network by network controls UE; Be that the network selecting information that the network selection functional entity issues to UE can only limit to a specific Access Network and access information thereof, this message can also be carried one simultaneously and forced the network selecting indication parameter, and indication UE moves to specific Access Network.
In the present embodiment, the network selection functional entity initiatively is handed down to UE with network selecting information.The method of being selected particular network by network controls UE is provided simultaneously, has strengthened the control ability of network network selection procedures.
After the application present embodiment got access to network selecting information, UE can insert the Access Network of preferred or network appointment, shown in step 11.7.UE can also determine whether continue to receive network selecting information.When UE need not to receive network selecting information again; Or UE is when exitting network, and UE can send de-registration request message to the network selection functional entity, and the network selection functional entity is replied to UE and nullified response message; The network selecting of not redispatching information is given UE, shown in step 11.8-11.9.Also can send de-registration request message to the network selection functional entity by storage of subscriber data equipment; Carry the UE sign in this message; The network selection functional entity is nullified response message to the storage of subscriber data device replied, and the network selecting of not redispatching information is given UE, shown in step 11.10-11.11.
Shown in figure 12, receive the process sketch map of network selecting information for the UE of the embodiment of the invention 12.Detailed process comprises the steps:
Step 12.1: the network selection functional entity is that UE formulates network selecting information.
Step 12.2: Access Network 1 sends network information request message to the network selection functional entity.Be set to initiatively issue network selecting information at the network selection functional entity and give under the situation of UE, do not carry out this step.
Step 12.3: the network selection functional entity sends network information report to Access Network 1, comprising the sign of all Access Networks in the same coverage, present load situation, QoS information, physical layer access information etc.
When UE is connected to Access Network 1, carry out following steps:
Step 12.4: Access Network 1 sends to UE with network selecting information.
Concrete, Access Network 1 can send to UE with network selecting information through following dual mode:
Mode 1: Access Network is encapsulated in network selecting information in the layer three above protocol message; MIP (Mobile IP for example; Mobile IP) message, EAP (Extensible Authentication Protocol; Extensible Authentication Protocol) message, RADIUS (Remote Authentication Dial In User Service, the long-distance user dials in authentication service) agreement, DIAMETER (diameter protocol is the upgraded version of radius protocol) message, IKE (Internet Key Exchange; The Internet key change) message etc. sends to UE.
Mode 2: Access Network is encapsulated in network selecting information in the access layer information, sends to UE with the broadcasting or the mode of clean culture.
Optional, UE replys network information acknowledge message to Access Network, shown in step 12.5.
Present embodiment provides that a kind of promptly the network selection functional entity offers Access Network with network selecting information by the mode of Access Network to UE transmission network information, and Access Network sends to UE with network selecting information again.Present embodiment is applicable to the situation that UE can not directly communicate by letter with the network selection functional entity.
It is the method that method, UE that method, UE that UE formulates network selecting information obtain network selecting information utilize network selecting information that the embodiment of the invention nine to 12 provides the network selection functional entity, makes UE can in time utilize network selecting Information Selection suitable network to insert.
It will be appreciated by those skilled in the art that; The embodiment of aforesaid UE discovery network selection functional entity, network selection functional entity acquisition of information and UE reception network selecting information can carry out combination in any and be bonded in the concrete technical scheme of UE selection network, and does not exceed protection scope of the present invention.
What need special instruction is that the PDN Gateway in the embodiment of the invention, PDN, AAA, HSS, ePDG etc. only are for describing the convenient title that adopts.These titles can not limit embodiment of the invention applicable scope; The title that promptly in some system, does not perhaps have entities such as PDN Gateway, PDN, AAA, HSS, ePDG; But, can not think thus that the technical scheme in the embodiment of the invention can not be applicable to these systems.
The embodiment of the invention 13 is a kind of user's set.This device comprises like lower unit:
Network connection unit 131 is used for connecting with network side;
Information receiving unit 132; Be used to receive the network selecting information that the network information provides entity to formulate; This network selecting information is the information of user's set all or part of available network on current location; This information receiving unit further comprises: information inquiry subelement 1321 is used for initiating the network selecting information inquiry according to the address information of network selection functional entity to the network selection functional entity; Information provides subelement 1322, is used for network selecting information is offered the network selecting unit;
Network selecting unit 133 is used for according to network selecting Information Selection network, and this unit further comprises the policy store subelement, is used to store UE and determines whether to continue to reside in the required network selecting strategy of current network.Wherein, The network selecting strategy can be one of following or combination in any: (1) network priority strategy; For example, the tabulation that Access Network is according to priority arranged, the tabulation that other networks that Access Network connects are according to priority arranged; The tabulation that mobile Operation Network is according to priority arranged, the tabulation that operator's sign is according to priority arranged etc.; (2) about whether the network enabled side is forced the strategy of network selecting; (3) the required access technology of specific transactions is supported situation, and for example, the regulation real-time video traffic must be passed through the WiMAX network insertion, and voice service must be passed through GSM, WCDMA or LTE network insertion etc.; (4) about the strategy of quality of service, for example, the standard value that QoS must reach etc.
This device can also comprise address acquisition unit 134; Link to each other with information receiving unit 132; Be used to obtain the address information of network selection functional entity; This unit further comprises: address lookup subelement 1341 is used for the address information to Mobility Management Entity or ePDG requester network selection functional entity; Address configuration subelement 1342 is used for the address information of configuration network selection functional entity;
This device can also comprise that UE information provides unit 135, is used for UE information is offered network side, and like the network selection functional entity, this UE information can comprise tenability, UE current location, the UE sign of UE to access technology, and QoS information etc.
The embodiment of the invention 14 is a kind of network selection functional device.This device comprises like lower unit:
Information collection unit 141 is used to be collected as UE and formulates the required information of network selecting information; This unit further comprises: UE information gathering subelement 1401; Be used to receive UE information; Like tenability, UE current location, UE sign and the QoS information etc. of UE, can also be used for sending the UE information inquiring request to UE or storage of subscriber data equipment to access technology; Access Network information gathering subelement 1402; Be used to receive Access Network information; Type and sign, present load situation, QoS information, physical layer access information and the coverage etc. of other networks that connect like access network type, Access Network sign, Access Network can also be used for access device or network operation and management system transmission Access Network information inquiring request to Access Network;
Information is formulated unit 142, and the information that is used for providing according to information collection unit 141 is that UE formulates network selecting information, and this network selecting information is the information of UE all or part of available network on current location;
Information issues unit 143, is used for that information is formulated the network selecting information of formulating unit 142 and offers UE, for example directly sends to UE, perhaps sends to UE through access network equipment.
This device can also comprise information memory cell 144, is used to be stored as UE and formulates the required information of network selecting information.
It below only is preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. a subscriber equipment is characterized in that, comprising:
Be used for the unit that connects with network side;
Be used to receive the unit of the network selecting information that network side provides; And,
Be used for carrying out the unit of network selecting according to said network selecting information;
Wherein, the said network selecting information information that is said subscriber equipment all or part of available network on current location;
The said unit that is used to receive the network selecting information that network side provides specifically is used for:
Address information according to self network configured selection functional entity receives said network selecting information; Perhaps,
The address information of the network selection functional entity that provides according to network side receives said network selecting information.
2. subscriber equipment according to claim 1 is characterized in that, the said unit that is used to receive the network selecting information that network side provides also is used for:
Receive the address information of the said network selection functional entity that said network side sends with the broadcasting or the mode of clean culture through access layer information; Perhaps,
Receive said network side offers the said network selection functional entity of said subscriber equipment through layer three message or layer three above protocol message address information.
3. subscriber equipment according to claim 2 is characterized in that,
The address information of said network selection functional entity is the IP address of said network selection functional entity; Perhaps,
The address information of said network selection functional entity is the title of said network selection functional entity, and the said unit that is used to receive the network selecting information that network side provides specifically is used for obtaining through the name server inquiry IP address of said network selection functional entity.
4. subscriber equipment according to claim 1 is characterized in that, also comprises:
Send the unit of the request that is used to obtain network selecting information to said network side.
5. subscriber equipment according to claim 4 is characterized in that, the said unit that sends the request that is used to obtain network selecting information to said network side specifically is used for:
Carry out in the initial access process at said subscriber equipment; After perhaps accomplishing initial access process, when perhaps executing location is upgraded, after perhaps the completing place is upgraded; When perhaps said subscriber equipment receives the triggering of particular event, send the said request that is used to obtain network selecting information to said network side.
6. subscriber equipment according to claim 1 is characterized in that, the said unit that is used to receive the network selecting information that network side provides specifically is used for:
Receive the network selecting information that said network side provides through access network entity.
7. subscriber equipment according to claim 6 is characterized in that, the said unit that is used to receive the network selecting information that network side provides specifically is used for:
Receive said Access Network through access layer information, perhaps the network selecting information of layer three above protocol messages transmission.
8. subscriber equipment according to claim 1 is characterized in that, said being used for specifically is used for according to the unit that said network selecting information is carried out network selecting:
Network selecting strategy in conjunction with said network selecting information and self storage carries out network selecting.
9. the method for a selecting network by user equipment, wherein, subscriber equipment and network side connect, and it is characterized in that, comprising:
Said subscriber equipment receives the network selecting information that the network selection functional entity provides;
Said subscriber equipment carries out network selecting according to said network selecting information;
Wherein, said network selecting information is the information of said subscriber equipment all or part of available network on current location, and said network selection functional entity is to have the entity of selecting network function in the core net.
10. method according to claim 9; It is characterized in that; To be said subscriber equipment receive according to the address information of self network configured selection functional entity said network selecting information, and the address information of the network selection functional entity that perhaps said subscriber equipment provides according to network side receives.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110327287.5A CN102333360B (en) | 2008-02-05 | 2008-02-05 | Network selection method and device for user equipment |
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| CN201110327287.5A CN102333360B (en) | 2008-02-05 | 2008-02-05 | Network selection method and device for user equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100653619A Division CN101505524B (en) | 2008-02-05 | 2008-02-05 | Method and apparatus for selecting network by user equipment |
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| CN102333360A true CN102333360A (en) | 2012-01-25 |
| CN102333360B CN102333360B (en) | 2014-07-09 |
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| CN201110327287.5A Active CN102333360B (en) | 2008-02-05 | 2008-02-05 | Network selection method and device for user equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595560A (en) * | 2012-02-17 | 2012-07-18 | 华为技术有限公司 | Method, device and system for searching and selecting network |
| CN103152721A (en) * | 2013-03-28 | 2013-06-12 | 东莞宇龙通信科技有限公司 | Terminal, mobility management entity, system and network access method |
| WO2014005480A1 (en) * | 2012-07-06 | 2014-01-09 | 华为技术有限公司 | Method and device for selecting wireless access network and for transmitting network selection policy |
| WO2019042427A1 (en) * | 2017-08-31 | 2019-03-07 | 中兴通讯股份有限公司 | Method for selecting amf, amf, system, and computer readable storage medium |
| CN111163493A (en) * | 2018-11-08 | 2020-05-15 | 中国电信股份有限公司 | Communication configuration method, system and related equipment |
| CN112469105A (en) * | 2020-11-16 | 2021-03-09 | 上海擎昆信息科技有限公司 | Hybrid network access method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466822C (en) * | 2006-11-27 | 2009-03-04 | 华为技术有限公司 | Method and apparatus for selecting target cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595560A (en) * | 2012-02-17 | 2012-07-18 | 华为技术有限公司 | Method, device and system for searching and selecting network |
| CN102595560B (en) * | 2012-02-17 | 2015-04-08 | 华为技术有限公司 | Method, device and system for searching and selecting network |
| US9319970B2 (en) | 2012-02-17 | 2016-04-19 | Huawei Technologies Co., Ltd. | Method, apparatus, and system for searching and selecting network |
| WO2014005480A1 (en) * | 2012-07-06 | 2014-01-09 | 华为技术有限公司 | Method and device for selecting wireless access network and for transmitting network selection policy |
| CN103533611A (en) * | 2012-07-06 | 2014-01-22 | 华为技术有限公司 | Methods for selecting wireless access network and sending network selecting strategy and device |
| CN103152721A (en) * | 2013-03-28 | 2013-06-12 | 东莞宇龙通信科技有限公司 | Terminal, mobility management entity, system and network access method |
| WO2019042427A1 (en) * | 2017-08-31 | 2019-03-07 | 中兴通讯股份有限公司 | Method for selecting amf, amf, system, and computer readable storage medium |
| CN111163493A (en) * | 2018-11-08 | 2020-05-15 | 中国电信股份有限公司 | Communication configuration method, system and related equipment |
| CN111163493B (en) * | 2018-11-08 | 2022-08-19 | 中国电信股份有限公司 | Communication configuration method, system and related equipment |
| CN112469105A (en) * | 2020-11-16 | 2021-03-09 | 上海擎昆信息科技有限公司 | Hybrid network access method and device |
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| Publication number | Publication date |
|---|---|
| CN102333360B (en) | 2014-07-09 |
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Application publication date: 20120125 Assignee: Apple Computer, Inc. Assignor: Huawei Technologies Co., Ltd. Contract record no.: 2015990000755 Denomination of invention: Method and apparatus for selecting network by user equipment Granted publication date: 20140709 License type: Common License Record date: 20150827 |
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