CN101868001B - Method and system for controlling UE to access to network - Google Patents
Method and system for controlling UE to access to network Download PDFInfo
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Abstract
The invention discloses a method and a system for controlling a UE to access to a network. The method and the system are used for controlling the UE to access to a local network. The method for controlling the UE to access to the network comprises the following steps that: a mobility management entity (MME) obtains the information of the local network to which the UE requests to access through a packet data network connection process initiated by the UE; the MME instructs a femtocell to establish the bearer of the local network for the UE according to the information of the local network to which the UE requests to access; and the femtocell realizes accessing the UE to the local network through establishing the radio bearer of the local network for the UE according to the instruction of the MME.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and system of a kind of control subscriber equipment (UE) access network.
Background technology
When UE need be attached in the evolved packet system (EPS, Evolved Packet System) (when starting shooting like UE), according to the regulation of TS23.401 standard, UE need set up a Packet Data Network (PDN) and connect.After this, when UE need set up another PDN connection again, the PDN that UE need carry out the UE request connected (UE Requested PDN Connectivity) process.
Connect if UE initiates a PDN, then UE need pass through evolved base station (eNodeB) transmission PDN connection request (PDN Connectivity Request) message to the Mobility Management Entity (MME) in the core net.In PDN Connectivity Request message, comprise: APN (APN), PDN type (PDN Type), protocol configuration option (Protocol Configuration Options) and request type (Request Type).
Wherein, connect if a new PDN is set up in the UE request, then the Request Type in the PDN Connectivty Request message is set to initial request (Initial Request).
If UE is when non-third generation collaborative project (3GPP) access technology switches to Evolved UTRAN network (E-UTRAN) access technology, then the Request Type in the PDN Connectivity Request message is set to handoff request (Handover Request).
In the prior art; UE with Internet Protocol (IP) ability can pass through UE Requested PDN Connectivity process, is linked into mobile operator network (Mobile Operators Core network) through Home eNodeB (HeNB), still; Present 3GPP standard in the TS22.220 standard to the Home eNodeB (HeNB of version 9 (R9); Home eNodeB) proposed new demand, the UE that points out to have the IP ability should interconnect through supporting the equipment of IP ability in HeNB and the family; But, also do not provide concrete implementation now.
Summary of the invention
The embodiment of the invention provides a kind of method and system of the UE of control access network, and UE inserts local network in order to control.
The method of a kind of UE of control access network that the embodiment of the invention provides comprises:
Packet Data Network's connection procedure that Mobility Management Entity MME initiates through UE; Obtain the information of the local network of this UE request access; Be specially: MME receives the connection request PDN Connectivity Request of the Packet Data Network message that Home eNodeB is transmitted; And, obtain the type information that the UE request inserts local network through the request type Request Type that carries in this PDN Connectivity Request message or the APN APN information of local network;
The information of the said MME local network that request inserts according to UE is sent Packet Data Network to Home eNodeB and is accepted message, and the carrying of indicating Home eNodeB to set up local network for this UE;
Said Home eNodeB is according to the indication of said MME, and through set up the radio bearer of local network for this UE, realization inserts local network with this UE.
A kind of communication system that the embodiment of the invention provides comprises:
Mobility Management Entity MME; Be used for Packet Data Network's connection procedure through the user equipment (UE) initiation; Obtain the information of the local network of this UE request access, and the information of the local network that request inserts according to UE, the indication Home eNodeB is set up local network for this UE carrying; Said MME comprises: information acquisition unit; Be used to receive the connection request PDN Connectivity Request of the Packet Data Network message that Home eNodeB is transmitted; And, obtain the information of the local network that the UE request inserts through the request type Request Type that carries in this PDN Connectivty Request message and/or the APN APN information of local network; Indicating member is used for the information according to the local network of UE request access, and send Packet Data Network to Home eNodeB and accept message, and the carrying of indicating Home eNodeB to set up local network for this UE;
Home eNodeB is used for the indication according to said MME, and through set up the radio bearer of local network for this UE, realization inserts local network with this UE.
A kind of subscriber equipment that the embodiment of the invention provides comprises:
Request inserts local network element; Through in the request type Request Type that in the connection request PDN Connectivity Request of the Packet Data Network message that network side sends, carries or the APN APN information of local network; The information of self asking to insert local network is sent to Home eNodeB; Home eNodeB is given Mobility Management Entity MME with the connection request PDN Connectivity Request of Packet Data Network forwards; And the Packet Data Network that receives from MME accepts message; With the indication Home eNodeB is the indication that subscriber equipment is set up the carrying of local network, Home eNodeB is designated as the radio bearer that subscriber equipment is set up local network according to said, realizes subscriber equipment is inserted local network;
Said Home eNodeB is designated as the radio bearer that subscriber equipment is set up local network according to said; Realization inserts local network with subscriber equipment; Be specially: said Home eNodeB sends wireless resource control connection reconfiguration message according to said indication and gives subscriber equipment, realizes subscriber equipment is inserted local network;
Data transmission unit; Be used for after receiving said wireless resource control connection reconfiguration message; Wireless resource control connection reconfiguration is accomplished message give Home eNodeB; Home eNodeB sends carrying to MME and sets up response message after receiving said wireless resource control connection reconfiguration completion message, realizes subscriber equipment is inserted local network.
Embodiment of the invention MME obtains the information of the local network of this UE request access through Packet Data Network's connection procedure that UE initiates; The information of the said MME local network that request inserts according to UE, the indication Home eNodeB is set up local network for this UE carrying; Said Home eNodeB is according to the indication of said MME; Through set up the radio bearer of local network for this UE; Realization inserts local network with this UE; Make UE to insert local network, thereby realized that UE intercoms through the equipment of Home eNodeB with the middle IP of support of local network (home network or local internet) ability mutually through Home eNodeB.
Description of drawings
The UE that Fig. 1 provides for the embodiment of the invention inserts the sketch map of mobile operator network and local network through Home eNodeB;
The control UE that Fig. 2 provides for the embodiment of the invention inserts the overall procedure sketch map of local network;
The sketch map of the UE Request PDN Connectivity process that Fig. 3 provides for the embodiment of the invention;
The structural representation of a kind of communication system that Fig. 4 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of method and system of the UE of control access network, and UE inserts local network in order to control.
The described local network of the embodiment of the invention is meant the home network or local internet (Internet) that link to each other with Home eNodeB (HeNB).
So-called home network; Be meant the home network device that is connected with HeNB; For example: one or more home computer, the network printer, network video device, network cameras or the like, the local area network of forming through these home network devices is home network.
So-called local Internet network is meant the network that can be linked into Internet that is connected with HeNB.
As shown in Figure 1, the technical scheme through the embodiment of the invention provides not only can also be connected to home network or local Internet network through HeNB so that UE is connected to the mobile operator network through HeNB.
Referring to Fig. 2, a kind of UE of control that the embodiment of the invention provides inserts the method for local network, totally comprises step:
S101, MME obtain the information of the local network of this UE request access through Packet Data Network's connection procedure that UE initiates.
The information of S102, the MME local network that request inserts according to UE, the indication Home eNodeB is set up local network for this UE carrying.
S103, Home eNodeB are according to the indication of MME, and through set up the radio bearer of local network for this UE, realization inserts local network with this UE.
Local network described in the embodiment of the invention comprises the network of two types on home network and local Internet network; Every type network can have a network; Also a plurality of networks can be arranged; HeNB can support UE to insert a plurality of home networks or a plurality of local Internet network simultaneously, so the UE a plurality of networks that can select to insert a network of a certain type or insert a certain type simultaneously.
Therefore; If every type network has only a network; Promptly when same type local network that HeNB connected only allows a network, only it may be noted that the type of local network, just can indicate this local network; Then the information of the local network of UE request access can be the type information of the local network of UE request access.
But; When same type local network that HeNB connected allows a plurality of networks and lets the user insert; Then needing concrete indication is that which local network allows the user to insert; Therefore the information of the local network that inserts of UE request can be APN (APN) information of the local network that inserts of UE request, and what insert with indication UE request is which or which concrete local network.
The information of the local network that the UE request in the embodiment of the invention inserts; What to be Packet Data Network's connection procedure of initiating through UE notified to network side by UE; Particularly, can carry by Packet Data Network's connection request (PDN Connectivity Request) message that UE sends.
Wherein, Preferably; When the local network of the same type that HeNB connected only allowed a network, Packet Data Network's connection request (PDN Connectivity Request) message only need be indicated the type of local network, the local network that just can indicate the UE request to insert.But when the local network of the same type that HeNB connected allows a plurality of network; Then need the APN information of carrying local network in Packet Data Network's connection request (PDN Connectivity Request) message, which local network what insert with indication UE request is.
Provide concrete explaining below.
After UE was attached to the EPS system through the HeNB that adopts the E-UTRAN access technology, promptly UE had accomplished the establishment of connection with a Packet Data Network (PDN).Requirement according to standard; When if UE need set up another Packet Data Network (PDN) connection again; And UE need be connected to local network at this moment, and then UE needs PDN that informing network self need set up to connect to be to be connected to local network rather than traditional pairing PDN of SGi interface connects.Because the pairing PDN connection of traditional SGi interface needs to use gateway (Serving GW) and the packet data network gateway (PDN GW) in the core net, and local network is to use Serving GW and PDN GW in the core net.After UE was connected to local network, as shown in Figure 1, upstream data only was from UE to HeNB, arrives local network then; Downlink data from the local network to HeNB then to UE.
It is as shown in Figure 3 that the PDN of the UE request that the embodiment of the invention provides connects (UE Request PDN Connectivity) process, specifically comprises step:
1, UE is if needing to initiate a PDN connects, and then UE sends PDN connection request (PDN Connectivity Request) message and gives HeNB, and HeNB gives Mobility Management Entity (MME) with this PDN Connectivity Request forwards.
Comprise in the PDN Connectivity Request message: APN, PDN Type, Protocol Configuration Options and Request Type.
APN that in PDN Connectivity Request, carries and Request Type may be used to indicate UE to ask the type information of the local network of access; But allowing UE to insert under the situation of a plurality of local networks of same type; If which concrete local network clear and definite UE request access is, then need APN to indicate.
If the newly-built PDN of UE connects to family's network, then the Request Type in the PDN Connectivity Request message is set is family's request (Home Request) to UE.
If the newly-built PDN of UE connects to local Internet network, then the Request Type in the PDN Connectivity Request message is set is Internet request (Internet Request) to UE.
That is to say that when Request Type was Home Request, the information of the local network that the UE request inserts was the information of the home network of UE request access; When said Request Type was Internet Request, the information of the local network that the UE request inserts was the information of the local internet of UE request access.
Need to prove; " the Home Request " that the embodiment of the invention provides and " Internet Request " are a kind of specific names that is used for representing the information of the local network that the UE request inserts, and can certainly adopt other specific names to represent the information of the local network that the UE request inserts.
2, after MME receives PDN Connectivity Request message, send PDN and connect acceptance (PDN ConnectivtyAccept) message to HeNB.
Comprise in the PDN ConnectivityAccept message: APN; PDN Type; PDN address (PDN Address); EPS bearing identification (EPS Bearer Id), session management request (Session Management Request) and protocol configuration option (Protocol Configuration Options).
PDN Connectivity Accept message is included in the S1-MME interface control messages (S1-MME control message), promptly is included in to carry to set up in request (Bearer Setup Request) message.Wherein, S1-MME interface is meant the control plane interface between HeNB and the MME.
Comprise in the Bearer Setup Request message: EPS bearer quality of service (EPS Bearer QoS); User's Aggregate Maximum Bit Rate (UE-AMBR; UE Aggregated Maximum Bit Rate); PDN Connectivity Accept, the Tunnel End Point Identifier of S1 user plane interface (being the interface between HeNB and the Serving GW) (S1-TEID, S1Tunnel End Point Identifier).
This Bearer Setup Request message includes EPS bearing identification (EPS Bearer Identity; Be EPS Bearer Id) and gateway (Serving GW) for this reason the EPS of EPS Bearer Identity sign carry the HeNB that (EPS Bearer) distributed and the up IP address and the Tunnel End Point Identifier (TEID, Tunnel End Point Identifier) of the user plane interface (S1-U interface) between the gateway (Serving GW).
It is that the carrying that UE sets up is used for local network that MME need notify HeNB; Because when HeNB receives that UE sends to the data of local network; HeNB can not be given to the gateway (Serving GW) in the core net forward with these data, and is given to local network before wanting.If need not be given to local network, then HeNB receives when UE sends to the data of mobile operator network, is to be given to the Serving GW in the core net before wanting.
Therefore, new MME can set up request (Bearer Setup Request) message through carrying the information of the local network of UE request access is notified to HeNB, with the carrying of indicating HeNB to set up local network for this UE.
Because local network might be a home network, also possibly be local Internet network.In addition, also might be one or more home networks for home network, so network side also need be notified the information which concrete local network UE is linked into to HeNB.
A network (comprising local network) can be identified by an APN, and therefore, the carrying that HeNB set up of MME notice is to be that the mode that a specific local network uses can comprise:
Mode 1:MME is provided with an APN and indicates concrete local network information in carrying foundation request (Bearer Setup Request) message.
Mode 2: if HeNB can only be connected to one family network or a local Internet network at most; Then MME can be provided with an indication information in carrying foundation request (Bearer Setup Request) message; In order to the indication connection is home network or local Internet network; For example, represent home network with 0, with the local Internet network of 1 sign.
3, after HeNB receives PDN Connectivity Accept message, send wireless resource control connection reconfiguration (RRC Connection Reconfiguration) message and give UE.
Comprise in the RRC Connection Reconfiguration message: EPS radio bearer sign (EPS Radio Bearer Identity), and PDN ConnectivityAccept message also is comprised in this RRC message and sends UE to.
4, after UE receives RRC Connection Reconfiguration message, send wireless resource control connection reconfiguration and accomplish (RRC Connection Reconfiguration Complete) message to HeNB.
So far, through step 3 and step 4, accomplished the foundation of the radio bearer of the access local network between HeNB and the UE.
5, after HeNB receives RRC Connection Reconfiguration Complete message, send to carry and set up response (Bearer Setup Response) message to MME.
To step 5, foundation has been accomplished in the carrying between UE and the local network through step 2.Because the carrying between UE and the local network does not comprise the carrying of core net part, so in fact the carrying between UE and the local network is exactly the radio bearer between UE and the HeNB.
6, UE sends and directly transmits (Direct Transfer) message to HeNB.
Direct Transfer message comprises PDN and connects completion (PDN Connectivity Complete) message, comprises EPS Bearer Identity in this PDN Connectivity Complete message.
7, after HeNB receives Direct Transfer message; At up link Non-Access Stratum (NAS; Non-Access Stratum) changes PDN Connectivty Complete message before in transmission (Uplink NAS Transport) message and give MME, comprise EPS Bearer Identity in this PDN Connectivity Complete message.
After above-mentioned UE Request PDN Connectivity process was accomplished, UE just can be connected to local network through HeNB, and communicates through the equipment in HeNB and the local network.
Introduce the APN that carries in the PDN Connectivity Request message in the above-mentioned steps 1 below in detail.
APN described in the embodiment of the invention; Comprise four kinds of APN; Be home network APN (H-APN) and the local point of presence title (I-APN) that defines in the APN that defines in the prior art, the embodiment of the invention; And the special-purpose APN of local network, comprise two kinds of special-purpose APN of home network and local internet-specific APN.
Wherein, Can indicate the information (type information that comprises home network of the home network of UE request access with H-APN; And the information that is used to indicate concrete which home network); Can indicate the information (comprise the type information of local internet, and be used to indicate the specifically information of which local internet) of the local internet of UE request access with I-APN.
Need to prove that " H-APN " and " I-APN " is a kind of specific sign, can certainly adopt other specific identifier, like " Home-APN " or " Internet-APN " etc.
The special-purpose APN of so-called local network is the fixing multicharacter APN of having of a kind of special definition, is used to indicate the type information of local network, comprises two types of special-purpose APN of home network and local internet-specific APN.
For example, when the special-purpose APN of local network was " Home Network.3gppnetwork.org ", the type of expression local network was a home network; When the special-purpose APN of local network was " Local Internet Network.3gppnetwork.org ", the type of expression local network was local internet.
Wherein, " Home Network.3gppnetwork.org " and " Local Internet Networn.3gppnetwork.org " sign only is a kind of illustrating, and can also adopt other signs.
When the local network of the same type that HeNB connected only allows a network; The Request Type that can be provided with in Packet Data Network's connection request (PDN Connectivity Request) message is Home Request or Internet Request; Thereby through the type of indication local network, the local network that indication UE request inserts, at this moment; The information of the APN that carries in the PDN Connectivty Request message can be ignored, and disregards.
But; When the local network of the same type that HeNB connected allows a plurality of networks; When allowing same subscriber equipment to insert the one or more local network of same type, the APN indication of then carrying in the PDN Connectivity Request message be which local network under this type.And this APN can be the APN that has defined in the prior art, or the special-purpose APN of the H-APN that defines in the embodiment of the invention, I-APN or local network, identifies the specifying information of the local network of UE request access.
Need to prove that if UE do not provide APN, or the APN that provides is wildcard APN (being wildcard, " * "), explain that then UE only provides the type information of the local network that request inserts, so MME can select the local network an of the type for UE.For example: the H-APN that UE provides is wildcard, i.e. " * ", then MME can select the one family network for UE, and perhaps, the I-APN that UE provides is wildcard, i.e. " * ", then MME can select a local internet for UE.
Provide in the embodiment of the invention explanation below about four kinds of applicable cases of APN.
Situation one: when the local network of the same type that HeNB connected only allows a network; And (UE can insert two types network simultaneously when allowing same subscriber equipment can only insert a local network for same type; But every type can only be inserted a network); If the Request Type in Packet Data Network's connection request (PDN Connectivity Request) message is Initial Request; Be that UE does not indicate the information that is linked into local network in these two message, then the APN in the PDN Connectivity Request message is H-APN or I-APN, perhaps can also be the special-purpose APN of local network.
In this case, the special-purpose APN of H-APN or I-APN or local network is directly corresponding to the local network of respective type.
Situation two: when the local network of the same type that HeNB connected allows a plurality of networks; But when allowing same subscriber equipment can only insert a local network for same type; If the Request Type in Packet Data Network's connection request (PDN Connectivity Request) message is Initial Request, then need be through the concrete local network under the APN indication this type of carrying in the PDN Connectivity Request message.The APN of this moment can be the special-purpose APN of H-APN, I-APN or local network.Wherein, If the APN that carries in the PDN Connectivity Request message only provides the type information of local network; H-APN that promptly provides or I-APN are wildcard (i.e. " * "); Perhaps provide the special-purpose APN of local network, then MME can select a local network for UE in respective type.
Situation three: when the local network of the same type that HeNB connected allows a plurality of networks; And (UE can insert the local network of a plurality of types simultaneously when allowing subscriber equipment to insert a plurality of local network of same type; And the local network for each type can insert a plurality of); If the Request Type in Packet Data Network's connection request (PDN Connectivity Request) message is Home Request or Internet Request; Promptly indicated the type of local network, what then APN indicated in the PDN Connectivity Request message is the concrete local network under this type.The APN that carry in the PDN Connectivity Request message this moment can be the APN that defines in the prior art, or H-APN that defines in the embodiment of the invention or I-APN.Wherein, if H-APN or I-APN that UE provides are wildcard, i.e. " * ", then MME can select the local network of a respective type for UE.
Situation four: when the local network of the same type that HeNB connected allows a plurality of networks; And when allowing subscriber equipment to insert a plurality of local network of same type; If the Request Type in Packet Data Network's connection request (PDN Connectivity Request) message is Initial Request; Be that UE does not indicate the information that is linked into local network in these two message; Then carry the type information that APN should indicate the local network of UE request access in the PDN Connectivity Request message, also will indicate is which local network under this type.Therefore, in this case, the APN that carries in the PDN Connectivity Request message is the special-purpose APN of H-APN, I-APN or local network.Wherein, If the APN that carries in the PDN Connectivity Request message only provides the type information of local network; H-APN that promptly provides or I-APN are wildcard (i.e. " * "); Perhaps provide the special-purpose APN of local network, then MME can select a local network for UE in respective type.
To sum up, carry APN in the PDN Connectivity Request message, and possibly making up shown in following table 1 of the Request Type that carries in the PDN Connectivity Request message:
Table 1
Wherein, the nothing described in the table 1 (APN) is not promptly carried APN in the PDN Connectivity Request message.
In order to express local access point title H-APN and I-APN,, need the form of definition H-APN and I-APN with the difference of existing radio area network APN (W-APN) and APN.
The formation rule of H-APN and I-APN is following:
H-APN can be made up of two parts content:
First, the network identity (The H-APN Network Identfier) of the home network that the UE request inserts, this part is essential.
Second portion, the sign (The H-APN Operator Identifier) of the pairing public land mobile net of home network (PLMN, public land mobile network) that the UE request inserts, the i.e. sign of operator.This part is optional.
HeNB can link to each other with a plurality of PLMN simultaneously.
The form of The H-APN Operator Identifier is: " h-apn.epc.mnc < MNC>.mcc < MCC>.3gppnetwork.org ".
Wherein, character mark " mnc " is to represent that the numeral of thereafter < MNC>and < MCC>is respectively mobile network code (MNC, Mobile Network Code) and Mobile Country Code MCC (Mobile Country Code) with " mcc ".MCC is made up of three numerals (three digits), as 345.And the length of MNC is three numerals or two-digit (two or three digits), and they have all done detailed explanation in the TS23.003 standard.
For example, when MCC is 345, MNC is 12 o'clock, and then The H-APN Operator Identifier is " h-apn.epc.mnc012.mcc345.3gppnetwork.org ".
In like manner, I-APN also can be made up of two parts content:
First, the network identity (The I-APN Network Identifier) of the local internet that the UE request inserts, this part is essential.
Second portion, the sign (The I-APN Operator Identfier) of the pairing public land mobile net in local internet (PLMN, public land mobile network) that the UE request inserts, the i.e. sign of operator.This part is optional.
If do not comprise the sign of the pairing public land mobile net of local network in the local access point title (H-APN or I-APN); Then network side can't be distinguished local access point title and existing APN; Because not comprising the local access point title of the sign of public land mobile net is the same with the form of APN, the difference of having no idea.
APN in the coded format in the message shown in following table 2:
Table 2
For the APN that defines in the prior art; A value corresponding to Access point name IEI; And the embodiment of the invention has proposed H-APN and I-APN, therefore will increase the value number of Access point name IEI, to represent H-APN and I-APN respectively.
For example, when Access point name IEI=51, the APN that defines in the expression prior art (also representing the special-purpose APN of the local network that defines in the embodiment of the invention); When Access point name IEI=52, expression H-APN; When Access point name IEI=53, expression I-APN.
This shows that different with H-APN and I-APN is that the special-purpose APN of local network need not to revise parameter A ccess point name IEI, promptly need not to revise agreement, and only need revise the parameter preparation of terminal and network, and is therefore more easy.The special-purpose APN of local network is applicable to whole 3GPP standard, is used to identify the type of local network.
Therefore, what network side just can be known access that UE asked this moment through the value of Access point name IEI is home network or local internet, or the mobile operator network.
Obviously, the H-APN and the I-APN of signatory home network can be asterisk wildcard (Wild card) among the HSS, and H-APN that promptly stores among the HSS and I-APN are " * ".
To sum up; When UE is initiated to the connection of home network through attaching process; UE is in sending to the PDN Connectivity Request message of network side; Carry the H-APN or I-APN or the special-purpose APN of local network that define in the APN that defines in the prior art or the embodiment of the invention, the information of the local network that inserts with indication UE request.
The system that the embodiment of the invention once provides is described below.
Referring to Fig. 4, a kind of communication system that the embodiment of the invention provides comprises:
Mobility Management Entity MME 10; Be used for Packet Data Network's connection procedure through user equipment (UE) 20 initiations; Obtain the information of the local network of these UE 20 request accesses; And the information of the local network that 20 requests insert according to UE, the carrying that indication Home eNodeB 30 is set up local network for this UE 20.
Preferably, said MME 10 comprises:
Indicating member 12 is used for the type information according to UE 20 request access local networks, the carrying that indication Home eNodeB 30 is set up local network for this UE 20.
Preferably; The APN APN information of the local network that in said PDN Connectivity Request message, carries; During for local network special use APN; Perhaps; When the Request Type that carries in the said PDN Connectivity Request message has indicated the type information of the local network that the UE request inserts, the information of the local network that UE 20 requests that said information acquisition unit 11 is obtained from PDN Connectivity Request message insert, the type information of the local network that inserts for UE 20 requests.
Preferably, said indicating member 12, the type information according to UE 20 asks the local network of access is that this UE 20 selects local networks, and indicates Home eNodeB 30 to be established to the carrying of this local network for this UE 20.
Preferably, the APN information of local network is home network APN or local internet APN; Said information acquisition unit 11; In the APN of said local network information, be used to identify the value of the source identity IEI of APN type; When being used to represent that the UE request inserts the value of home network; Confirm that UE 20 requests insert home network, and obtain the APN information of the home network of UE 20 request accesses; When the value of said IEI, when being used to represent that the UE request inserts the value of local internet, confirm that UE 20 requests insert local internet, and obtain the APN information of the local internet that UE 20 requests insert.
Preferably, said Home eNodeB 30 comprises:
Data Transmission Controlling unit 32 is used for through said radio bearer, and control data transmits between the local network of UE 20 and this UE 20 request accesses.
Preferably, said subscriber equipment 20 comprises:
Request inserts local network element 21, is used for the Packet Data Network's connection procedure through self initiation, with self asking the information of the local network of access to send to Home eNodeB 30.
Described request inserts local network element 21; Through in the request type Request Type that in the connection request PDN Connectivity Request of the Packet Data Network message that network side sends, carries or the APN APN information of local network, the information of the local network that self request is inserted sends to said Home eNodeB 30.
In sum; The embodiment of the invention provides a kind of UE of control to insert the scheme of local network through Home eNodeB; In the UE Requested PDN Connectivity process that UE initiates, type information that UE only need send local network just can the indication request access the situation of concrete local network under, perhaps only need indicate the type information of local network at UE; Under the situation concrete which local network that inserts under the type can be selected by network side; If newly-built PDN connects to family's network, then UE is in the PDN Connectivity Request message of sending, and Request Type is set to Home Request; Perhaps UE is in the PDN Connectivity Request message of sending, and Request Type is set to Initial Request and APN is set is the special-purpose APN of home network.If the newly-built PDN of UE request connects to local internet, then UE is in the PDN Connectivity Request message of sending, and Request Type is set to Internet Request; Perhaps UE is in the PDN Connectivity Request message of sending, and Request Type is set to Initial Request and APN is set is local Internet network-specific APN.Request Type in the PDN Connectivity Request message that MME receives is Home Request or Internet Request; When perhaps receiving special-purpose APN of home network or local Internet network-specific APN; MME does not carry out the selection of PDN Gateway in the core net (PDN GW), also just not the Serving GW in core net send and set up default bearing request (Create Default Bearer Request) message.MME is when sending Bearer Setup Request message to HeNB; Then the MME carrying of being set up through Bearer Setup Request message informing HeNB be for specific local network employed; Make that upstream data only is from UE to HeNB, arrives family's network then; Downlink data is then to UE from the home network to HeNB.Be not enough at the type information that UE only sends local network under the situation of the concrete local network that indication request inserts; Can indicate the UE request to insert which concrete local network through the APN (H-APN or I-APN) of local network; The APN of local network can send to network side by UE through PDN Connectivity Request message, and network side inserts local network according to this APN control UE.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a method of controlling the user equipment (UE) access network is characterized in that, this method comprises:
Packet Data Network's connection procedure that Mobility Management Entity MME initiates through UE; Obtain the information of the local network of this UE request access; Be specially: MME receives the connection request PDN Connectivity Request of the Packet Data Network message that Home eNodeB is transmitted; And, obtain the type information that the UE request inserts local network through the request type Request Type that carries in this PDN Connectivity Request message or the APN APN information of local network;
The information of the said MME local network that request inserts according to UE is sent Packet Data Network to Home eNodeB and is accepted message, and the carrying of indicating Home eNodeB to set up local network for this UE;
Said Home eNodeB is according to the indication of said MME, and through set up the radio bearer of local network for this UE, realization inserts local network with this UE.
2. method according to claim 1 is characterized in that, the information of the said MME local network that request inserts according to UE, and the indication Home eNodeB comprises for the step that this UE is established to the carrying of local network:
Said MME be that this UE selects local network, and the indication Home eNodeB is established to the carrying of this local network for this UE according to the type information of the local network of UE request access.
3. method according to claim 1; It is characterized in that; When said UE asks the information of the local network of access to be the APN APN information of local network; Said MME is through Packet Data Network's connection procedure that UE initiates, and the step of obtaining the information of the local network that this UE request inserts comprises:
MME receives the connection request PDN Connectivity Request of the Packet Data Network message that Home eNodeB is transmitted, and therefrom obtains the APN information of the local network of UE request access.
4. according to claim 1,2 or 3 described methods, it is characterized in that the APN information of said local network is home network APN, local internet APN, the special-purpose APN of home network or local internet-specific APN.
5. method according to claim 4 is characterized in that, when the APN of said local network information was home network APN or local internet APN, the APN information of said local network comprised:
The network identity of the local network that the UE request inserts; Perhaps,
The PLMN sign of the network identity of the local network that the UE request inserts and the public land mobile net of this local network correspondence.
6. method according to claim 4; It is characterized in that; When the APN of said local network information is home network APN or local internet APN, if be used to identify the value of the source identity IEI of APN type in the APN information of said local network, when being used to represent that the UE request inserts the value of home network; Said MME confirms that the UE request inserts home network, and obtains the APN information of the home network of UE request access; If the value of said IEI, when being used to represent that the UE request inserts the value of local internet, said MME confirms that the UE request inserts local internet, and obtains the APN information of the local internet that the UE request inserts.
7. a communication system is characterized in that, this system comprises:
Mobility Management Entity MME; Be used for Packet Data Network's connection procedure through the user equipment (UE) initiation; Obtain the information of the local network of this UE request access, and the information of the local network that request inserts according to UE, the indication Home eNodeB is set up local network for this UE carrying; Said MME comprises: information acquisition unit; Be used to receive the connection request PDN Connectivity Request of the Packet Data Network message that Home eNodeB is transmitted; And, obtain the information of the local network that the UE request inserts through the request type Request Type that carries in this PDN Connectivity Request message and/or the APN APN information of local network; Indicating member is used for the information according to the local network of UE request access, and send Packet Data Network to Home eNodeB and accept message, and the carrying of indicating Home eNodeB to set up local network for this UE;
Home eNodeB is used for the indication according to said MME, and through set up the radio bearer of local network for this UE, realization inserts local network with this UE.
8. system according to claim 7; It is characterized in that; The APN APN information of the local network that in said PDN Connectivity Request message, carries; During for the special-purpose APN of local network, perhaps, when the Request Type that carries in the said PDN Connectivity Request message has indicated the type information of the local network that the UE request inserts; The UE that said information acquisition unit is obtained from said PDNConnectivity Request message asks the information of the local network of access, asks the type information of the local network of access for UE.
9. system according to claim 8; It is characterized in that said indicating member, the type information of the local network that inserts according to UE request or the APN APN information of local network; For this UE selects local network, and the indication Home eNodeB is established to the carrying of this local network for this UE.
10. system according to claim 9 is characterized in that, the APN information of said local network is home network APN or local internet APN;
Said information acquisition unit; In the APN of said local network information, be used to identify the value of the source identity IEI of APN type; When being used to represent that the UE request inserts the value of home network; Confirm that the UE request inserts home network, and obtain the APN information of the home network of UE request access; When the value of said IEI, when being used to represent that the UE request inserts the value of local internet, confirm that the UE request inserts local internet, and obtain the APN information of the local internet that the UE request inserts.
11., it is characterized in that said Home eNodeB comprises according to the described system of the arbitrary claim of claim 7 to 10:
The unit is set up in carrying, be used for according to said MME send for this UE sets up the indication of the carrying of local network, be established to the radio bearer of local network for this UE;
The Data Transmission Controlling unit is used for through said radio bearer, and control data transmits between the local network of UE and this UE request access.
12. a subscriber equipment is characterized in that, said subscriber equipment comprises:
Request inserts local network element; Through in the request type Request Type that in the connection request PDNConnectivity Request of the Packet Data Network message that network side sends, carries or the APN APN information of local network; The information of self asking to insert local network is sent to Home eNodeB; Home eNodeB is given Mobility Management Entity MME with the connection request PDN Connectivity Request of Packet Data Network forwards; And the Packet Data Network that receives from MME accepts message; With the indication Home eNodeB is the indication that subscriber equipment is set up the carrying of local network, Home eNodeB is designated as the radio bearer that subscriber equipment is set up local network according to said, realizes subscriber equipment is inserted local network;
Said Home eNodeB is designated as the radio bearer that subscriber equipment is set up local network according to said; Realization inserts local network with subscriber equipment; Be specially: said Home eNodeB sends wireless resource control connection reconfiguration message according to said indication and gives subscriber equipment, realizes subscriber equipment is inserted local network;
Data transmission unit; Be used for after receiving said wireless resource control connection reconfiguration message; Wireless resource control connection reconfiguration is accomplished message give Home eNodeB; Home eNodeB sends carrying to MME and sets up response message after receiving said wireless resource control connection reconfiguration completion message, realizes subscriber equipment is inserted local network.
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