CN103108401B - System, the method and apparatus of non-3 gpp net access 3GPP core net - Google Patents
System, the method and apparatus of non-3 gpp net access 3GPP core net Download PDFInfo
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- H—ELECTRICITY
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Abstract
The invention discloses system, the method and apparatus of a kind of non-3 gpp net access 3GPP core net, wherein, described method comprises: request is set up in the tunnel that IAD receiving terminal sends, and described tunnel is set up in request and carried public data network PDN connection type; Described IAD sends the request of PDN connection establishment to 3GPP equipment of the core network, and request is set up PDN with described 3GPP core net and is connected, and carries described PDN connection type in the request of described PDN connection establishment; Described IAD receives described 3GPP equipment of the core network after the success of PDN connection establishment, is the network address of described terminal distribution according to described PDN connection type; The described network address is sent to described terminal by described IAD.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to system, the method and apparatus of a kind of non-3 gpp net access 3GPP core net.
Background technology
Along with the large area deployment of WIFI (wireless fidelity) focus and the universal of intelligent terminal, more access way provides comprehensive, good quorum sensing inhibitor, more terminal has also possessed Cellular Networks and WLAN (wireless local area network) (WLAN, Wireless Area Network) access capability, user is linked into by plurality of access modes the pressure that mobile operator core net can not only share Cellular Networks data traffic, reduce operator deployment cost, more convenient business experience can also be brought for user.
As non-third generation partner program (3GPP, The 3rd Generation Partnership Project) access network (as 802.11 wireless networks, broadband access network etc.) by operator deployment time, can be regarded as believable network insertion to Operator Core Network.Current still do not have standard to carry out specification how to realize terminal by reliable non-3 GPP network insertion to 3GPP core net, and then realize switching and flow mobility.For supporting that non-3 GPP network is linked into 3GPP core net, the current major programme thinking to transforming in non-3 GPP access network comprises: 1, strengthen layer three signaling at wave point, and this scheme needs to strengthen IEEE 802.11; 2, at Internet protocol (IP, International Protocol) design solution independent of medium on layer, this scheme needs engineering duty group (IETF, Internet Engineering Task Force) to design new agreement; 3, broadband networks forum (BBF, Broadband Forum) strengthens the signaling protocol between access point to IAD, and this scheme needs terminal to arrive the solution of access point as a supplement; 4, set up Internet security (IPSec) tunnel, this scheme concerning trustable network access, cost is too high.As can be seen here, the scheme that prior art provides all needs amendment terminal and non-3 GPP network being carried out to bottom, adds the complexity of terminal by non-3 GPP network access 3GPP core net.
Summary of the invention
The embodiment of the present invention provides a kind of terminal by system, the method and apparatus of non-3 GPP network access 3GPP core net, in order under the prerequisite not revising terminal and Access Network bottom, support terminal, by non-3 GPP network access 3GPP core net, reduces the complexity of terminal by non-3 GPP network access 3GPP core net.
The embodiment of the present invention provides a kind of terminal by the system of non-3 GPP network access 3GPP core net, comprises 3GPP equipment of the core network, IAD and terminal, wherein:
Described terminal, after connecting with non-3 GPP network, send tunnel to described IAD and set up request, the tunnel between described IAD is set up in request, and described tunnel is set up in request and carried public data network PDN connection type; And receive the network address of described IAD transmission;
Described IAD, for after receiving described tunnel and setting up request, send the request of PDN connection establishment to 3GPP equipment of the core network, request is set up and is connected with the PDN between described 3GPP equipment of the core network, carries described PDN connection type in the request of described PDN connection establishment; After described PDN connection establishment success, receive the network address that described 3GPP equipment of the core network distributes to described terminal, the described network address is sent to described terminal;
Described 3GPP equipment of the core network, for being the described terminal distribution network address according to carrying PDN connection type in the request of described PDN connection establishment; And the network address distributing to described terminal is sent to described IAD.
The embodiment of the present invention provides a kind of terminal by the method for non-3 GPP network access 3GPP core net, comprising:
Request is set up in the tunnel that IAD receiving terminal sends, and described tunnel is set up in request and carried public data network PDN connection type;
Described IAD sends the request of PDN connection establishment to 3GPP equipment of the core network, and request is set up PDN with described 3GPP core net and is connected, and carries described PDN connection type in the request of described PDN connection establishment; And
Receiving described 3GPP equipment of the core network after the success of PDN connection establishment, is the network address of described terminal distribution according to described PDN connection type;
The described network address is sent to described terminal by described IAD.
The embodiment of the present invention provides a kind of IAD, comprising:
First receiving element, request is set up in the tunnel sent for receiving terminal, and described tunnel is set up in request and carried public data network PDN connection type;
First transmitting element, for sending the request of PDN connection establishment to 3GPP equipment of the core network, request is set up and is connected with the PDN between described 3GPP equipment of the core network, carries described PDN connection type in the request of described PDN connection establishment;
Second receiving element, for receiving described 3GPP equipment of the core network after the success of PDN connection establishment, is the network address of described terminal distribution according to described PDN connection type;
Second transmitting element, for sending to described terminal by the described network address.
The embodiment of the present invention provides a kind of terminal, comprising:
First transmitting element, after connecting with non-3 GPP network, send tunnel to IAD and set up request, the tunnel between described IAD is set up in request, and described tunnel is set up in request and carried public data network PDN connection type;
Receiving element, for receiving the network address that described IAD sends, described IAD sets up the PDN connection type that carries in request to 3GPP equipment of the core network request dispatching to the network address of described terminal according to described tunnel.
The system of the non-3 GPP network access 3GPP core net that the embodiment of the present invention provides, method and apparatus, terminal sends tunnel to IAD and sets up request, carry the information that PDN connection request is relevant simultaneously, IAD is after request is set up in the tunnel receiving terminal transmission, set up PDN with 3GPP equipment of the core network to be connected, then send to terminal the response message that request is set up in tunnel, and in this response message, carry the network address that 3GPP equipment of the core network is terminal distribution, so far, tunnel between terminal and IAD has been set up, be connected with the PDN between 3GPP core net simultaneously and also set up.In above process, without the need to modifying to terminal and non-3 GPP network bottom, just achieving terminal by non-3 GPP network access 3GPP core net, reducing the complexity of terminal by non-3 GPP network access 3GPP core net.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is in the embodiment of the present invention, and terminal is by the scene schematic diagram of non-3 GPP network access 3GPP core net;
Fig. 2 is in the embodiment of the present invention, and terminal is by the method implementing procedure schematic diagram of non-3 GPP network access 3GPP core net;
Fig. 3 a is in the embodiment of the present invention, adopts the protocol stack schematic diagram of PMIP tunnel protocol between IAD and PGW;
Fig. 3 b is in the embodiment of the present invention, adopts the protocol stack schematic diagram of GTP tunnel agreement between IAD and PGW;
Fig. 4 is in the embodiment of the present invention, and terminal is by the schematic flow sheet of non-3 GPP network access 3GPP core net;
Fig. 5 is in the embodiment of the present invention, for terminal request to be switched to the implementing procedure schematic diagram of non-3 GPP access mode from 3GPP access way;
Fig. 6 is in the embodiment of the present invention, when terminal is simultaneously by 3GPP network and non-3 GPP network access 3GPP core net, carries out the schematic flow sheet of flow mobility operation;
Fig. 7 is in the embodiment of the present invention, and terminal is by the system configuration schematic diagram of non-3 GPP network access 3GPP core network;
Fig. 8 is in the embodiment of the present invention, the structural representation of IAD;
Fig. 9 is in the embodiment of the present invention, the structural representation of terminal.
Embodiment
Embodiments provide a kind of when terminal is linked into mobile operator 3GPP core net by reliable non-3 GPP network (as WLAN), the concrete methods of realizing of non-3 GPP network.For the ease of understanding the embodiment of the present invention, below for 3GPP mobile radio communication scene, set forth the present invention.
The present invention is applicable to terminal is linked into 3GPP core net scene by non-3 GPP network.As shown in Figure 1, terminal is linked into non-3 GPP network by access point, and carries out the mutual of signaling and data communication by the 3GPP core net that IAD is linked into mobile operator.Now, terminal can be linked into 3GPP core net by non-3 GPP network and 3GPP network simultaneously, but current still an open question comprises:
How terminal is initiated to public data network (PDN, Public Data Network) connection establishment request and the Connection Release request of 3GPP core net; For the continuity of supporting business, how terminal provides relevant instruction when connecting; For carrying out flow mobility operation between non-3 GPP network and 3GPP network, how to realize in non-3 GPP network.
In order to solve the problem, the embodiment of the present invention sets up tunnel between terminal and IAD, by the signaling information that this tunnel transmission is relevant to connection establishment, switching and flow mobility etc.
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein is only for instruction and explanation of the present invention, be not intended to limit the present invention, and when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
As shown in Figure 2, the terminal provided for the embodiment of the present invention, by the method implementing procedure schematic diagram of non-3 GPP network access 3GPP core net, comprising:
Request is set up in the tunnel that S201, IAD receiving terminal send, and described tunnel is set up in request and carried PDN connection type;
In concrete enforcement, terminal finds non-3 GPP network, completes and the connection of non-3 GPP network and authentication.Terminal detection discovery is current reliable non-3 GPP network (as WLAN), then terminal is connected with non-3 GPP access network according to existing non-3 GPP access method, and by corresponding authentication.After terminal access non-3 GPP network, initiate tunnel to IAD and set up request, carry the relevant information of PDN connection request simultaneously, APN (APN) can be comprised, PDN connection type, description of data stream information, data flow identifiers, multiple access identifies, and switches instruction etc.Wherein, PDN connection type can be IPV4, and/or IPV6, can think IPV4, also can be IPV6, or IPV4V6.
S202, IAD send the request of PDN connection establishment to 3GPP equipment of the core network, and request is set up PDN with this 3GPP core net and is connected, and carries described PDN connection type in this PDN connection establishment request;
IAD is after request is set up in the tunnel receiving terminal transmission, and perform 3GPP related procedure between 3GPP equipment of the core network, terminal is carried out to the authentication and authorization of 3GPP equipment of the core network, and foundation is connected with the PDN between 3GPP equipment of the core network, concrete, GPRS Tunnel Protocol (GTP can be passed through, GPRS Tunnel Protocol) or proxy-mobile IP (PMIP, Proxy Mobile IP) agreement set up with 3GPP core net between GTP tunnel or PMIP tunnel.
S203, reception 3GPP equipment of the core network, after the success of PDN connection establishment, are the network address of terminal distribution according to the PDN connection type carried in the request of PDN connection establishment;
3GPP equipment of the core network, after the GTP tunnel set up between IAD or PMIP tunnel, is the terminal distribution network address.Concrete, if when the PDN connection type carried in PDN connection request is IPV4,3GPP equipment of the core network is the network address of this terminal distribution is IPV4 address; If when the PDN connection type carried in PDN connection request is IPV6,3GPP equipment of the core network is the network address of this terminal distribution is IPV6 address prefix; If when the PDN connection type carried in PDN connection request is IPV4V6,3GPP equipment of the core network is the network address of this terminal distribution is IPV4 address or IPV6 address prefix.
The network address received is sent to terminal by S204, IAD.
Concrete, after IAD receives the network address of 3GPP equipment of the core network transmission, send to terminal the response message that request is set up in tunnel, in this response message, carry the network address that 3GPP equipment of the core network is terminal distribution simultaneously.
In concrete enforcement, when terminal needs attachment removal or the PDN between disconnection with 3GPP equipment of the core network is connected, terminal initiates tunnel releasing request to IAD, the PDN connection identifier needing release is carried in this tunnel releasing request, wherein, PDN connection identifier can be the network address of terminal distribution for 3GPP equipment of the core network.With the Connection Release of 3GPP equipment of the core network after, IAD returns the response message of tunnel releasing request to terminal, release IAD and terminal between tunnel, so far, the PDN Connection Release between terminal and 3GPP equipment of the core network.
Tunnel protocol between IAD and terminal can be, but not limited to adopt Session initiation Protocol (SIP, Session Initial Protocol), for convenience of description, in following examples all for the tunnel protocol adopted between terminal and IAD for Session Initiation Protocol is described, but adopt other implementation of being not intended to limit the present invention of Session Initiation Protocol.
Session Initiation Protocol is a kind of signaling protocol carrying out multimedia communication on ip networks.General sip message comprises: begin column, message header and message body three part, wherein begin column and message header field and content of parameter more fixing, mutual for what realize with 3GPP core net, in the embodiment of the present invention, by the Signalling exchange carrying out strengthening to realize between terminal and IAD to Session Description Protocol (SDP, the Session Description Protocol) field in sip message body.
Respectively as shown in Figure 3 a and Figure 3 b shows, for in the embodiment of the present invention, the SIP tunnel being used for chain of command is set up between terminal and IAD, the protocol stack schematic diagram of chain of command between terminal, IAD, equipment of the core network, wherein, equipment of the core network can be public data network gateway (PGW, Public Data NetworkGateway).
In Fig. 3 a, PMIP tunnel protocol between IAD and PGW, is adopted to carry out Signalling exchange.Concrete, between terminal and IAD: be respectively physical layer and data link layer L1/L 2 from the bottom to top, network layer adopts IP agreement, transport layer adopts transmission control protocol (TCP, Transmission Control Protocol) or User Datagram Protocol (UDP, User Datagram Protocol), application layer adopts Session Initiation Protocol; Between IAD and PGW: be respectively physical layer and data link layer L1/L 2 from the bottom to top, network layer adopts IPV4/IPV6 agreement, and transport layer and application layer all adopt PMIPV6 agreement.
In Fig. 3 b, GTP tunnel agreement between IAD and PGW, is adopted to carry out Signalling exchange.Concrete, between terminal and IAD: be respectively physical layer and data link layer L1/L2 from the bottom to top, network layer adopts Ip agreement, and transport layer adopts TCP/UDP agreement, and application layer adopts Session Initiation Protocol; Between IAD and PGW: be respectively physical layer and data link layer L1/L 2 from the bottom to top, network layer adopts IPV4/IPV6 agreement, and transport layer adopts udp protocol, and application layer adopts GTP-C agreement.
As shown in Figure 4, in the embodiment of the present invention, terminal, by the schematic flow sheet of non-3 GPP network access 3GPP core net, comprises the steps:
S401, terminal detect and find non-3 GPP network, connect with non-3 GPP network, and by corresponding authentication;
S402, terminal send SIP signaling INVITE to IAD, initiate tunnel and set up request, carry the information that the PDN connection establishment request for initially adhering to is correlated with simultaneously;
Concrete, in this SIP signaling, in Session Description Protocol (SDP), keyword value is as shown in table 1:
Table 1
Wherein, terminal identifier can be international mobile subscriber identity (IMSI, International MobileSubscriberIdentification Number).
S403, IAD send SIP Trying response to terminal, show to receive above-mentioned message.
PDN connection establishment success (namely establishing GTP tunnel or PMIP tunnel) of S404, IAD and equipment of the core network;
S405, IAD send SIP OK successful respond to terminal, represent that SIP tunnel is successfully established, carry the network address that equipment of the core network distributes to terminal simultaneously.In this SIP signaling, the keyword value in Session Description Protocol (SDP) is as shown in table 2:
Table 2
S406, terminal send SIP confirmation response to IAD, and the tunnel between terminal and IAD is successfully established, and and between 3GPP equipment of the core network PDN connection establishment success;
S407, when terminal is wanted attachment removal maybe will disconnect to be connected with the PDN between 3GPP core net, terminal is initiated SIP BYE signaling to IAD and is discharged described tunnel, in this SIP signaling, the keyword value in Session Description Protocol (SDP) is as shown in table 3:
Table 3
S408, IAD are initiated SIP OK to terminal and are confirmed, confirm tunnel release.
Now, the tunnel between terminal and IAD is released.
Especially, if terminal is before connecting with non-3 GPP network, time by 3GPP network insertion 3GPP core net, if terminal wishes existing 3GPP access network to switch to non-3 GPP access network, and user's current business is not had an impact, then terminal can carry switching designator by setting up in request in tunnel, informs 3GPP equipment of the core network self the 3GPP core net by 3GPP network insertion.3GPP equipment of the core network (is carried in the PDN connection request sent by IAD when finding that terminal needs the switching carrying out access network and switches designator), during by terminal by 3GPP network insertion 3GPP core net, the network address for this terminal distribution is reassigned to this terminal.Like this, the continuity requirement of business can just be met.
In concrete enforcement, the prerequisite that terminal request carries out the switching of access way is that terminal is before request is by non-3 GPP network access 3GPP core net, by 3GPP network insertion 3GPP core net, when terminal finds non-3 GPP network and prepares to be switched to non-3 GPP access mode, as shown in Figure 5, for terminal request to be switched to the implementing procedure schematic diagram of non-3 GPP access mode from 3GPP access way, comprise the steps:
S501, terminal detect and find non-3 GPP network, connect with non-3 GPP network, and by corresponding authentication;
S502, terminal send SIP signaling INVITE to IAD, initiate tunnel and set up request, carry the information that the request of PDN connection establishment is relevant simultaneously, and carry switching designator in the request;
Concrete, in this SIP signaling, the keyword value in Session Description Protocol (SDP) is as shown in table 4:
Table 4
S503, IAD send SIP Trying to terminal and reply, and show to receive above-mentioned message;
PDN connection establishment success (namely establishing corresponding GTP tunnel or PMIP tunnel) of S504, IAD and equipment of the core network;
S505, IAD send SIP OK successful respond to terminal, represent that SIP tunnel is successfully established, carry the IP address that equipment of the core network is terminal distribution simultaneously;
Due in step S502, the tunnel that terminal sends is set up in request and is carried switching designator, and therefore to distribute to the network address of terminal identical with the network address distributing to terminal before for equipment of the core network;
In this SIP signaling, in Session Description Protocol (SDP), keyword value is as shown in table 5:
Table 5
S506, terminal send SIP confirmation response to IAD, and the SIP tunnel between terminal and IAD is successfully established, and the PDN connection establishment success for switching;
Now, terminal is by the communication between the realization of this SIP tunnel and 3GPP core net.After handover, 3GPP core net and terminal room discharge original in the resource of 3GPP network insertion to the PDN join dependency of 3GPP core net according to existing signaling process.
Preferably, when terminal accesses 3GPP core net by 3GPP network and non-3 GPP network simultaneously simultaneously, terminal can initiate flow mobility request by the tunnel between IAD to IAD, i.e. the movement of achievement unit separate service stream between 3GPP network and non-3 GPP network.Concrete, terminal sends first-class mobility request to IAD, ask the data flow migration of 3GPP access way to non-3 GPP access mode, or by the data flow migration of non-3 GPP access mode to 3GPP access way, the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow is carried in this first-class mobility request, wherein, access way comprises non-3 GPP access mode and 3GPP access way two kinds; IAD, also for after receiving first-class mobility request, send the request of second mobility to 3GPP equipment of the core network, in this second mobility request, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow; 3GPP equipment of the core network, also for after receiving the request of second mobility, if the access way that the data flow that traffic identifier is corresponding will move to is 3GPP access way, then increase respective carrier according to existing communication process or existing carrying modified, described data flow can be accepted; If the access way that the data flow that traffic identifier is corresponding will move to is non-3 GPP access mode, then according to existing communication process existing carrying is modified or delete.
In concrete enforcement, when terminal is simultaneously by 3GPP network and non-3 GPP network access 3GPP core net, terminal can initiate flow mobility request by SIP signaling, like this, and just can the movement of achievement unit separate service stream between 3GPP network and non-3 GPP network.
In order to support flow mobility, need the mapping table of storage one between access way and flow identification information at terminal inner, the structure of this mapping table can be as shown in table 6:
Table 6
As shown in Figure 6, for terminal simultaneously by 3GPP network and non-3 GPP network access 3GPP core net time, carry out the schematic flow sheet of flow mobility operation, comprise the steps:
S601, terminal send SIP signaling UPDATE to IAD, initiate flow mobility request, carry the traffic flow information needing movement in flow mobility request;
In this SIP signaling, the keyword value in Session Description Protocol (SDP) is as shown in table 7:
Table 7
S602, IAD send SIP Trying to terminal and reply, and show to receive above-mentioned message;
S603,3GPP equipment of the core network according to flow mobility information to carrying increase accordingly/delete/revise;
Concrete, for by data flow from 3GPP Network Mobility to non-3 GPP network, beared information corresponding for this stream identification, according to the stream identification received, is modified or deletes this carrying by 3GPP equipment of the core network.
S604, IAD send SIP OK successful respond to terminal, represent that flow mobility request is accepted, carry received flow mobility information simultaneously;
In this SIP signaling, in Session Description Protocol (SDP), keyword value is as shown in table 8:
Table 8
S605, terminal send SIP confirmation response to IAD, flow mobility request success, and new routing rule is set up;
After flow mobility process terminates, the access way stored in terminal and the map information of stream information will change, and suppose that, before flow mobility process, in the present embodiment, terminal map information is as shown in table 9:
Table 9
After the flow mobility process of the embodiment of the present invention terminates, the data flow 1 (FlowID1) of 3GPP access way is moved to WLAN access way, then flow moving process complete after in the present embodiment terminal mapping relations as shown in table 10:
Table 10
In above-described embodiment for by data flow from 3GPP network migration to non-3 GPP network, the implementing procedure embodiment of the present invention being realized to flow mobility is described, the implementing procedure that data flow moves to 3GPP network from non-3 GPP network with reference to above-mentioned flow process, can be repeated no more here.
The embodiment of the present invention provides a kind of and is linked in 3GPP core net for support, the implementation method of non-3 GPP network inside.The embodiment of the present invention sets up the tunnel on the chain of command on IP layer between terminal and IAD, realizes carrying out the dynamic related communication that accesses, switches and drift between terminal and IAD.The method not only realizes flexibly simple, and extensibility is strong, can reduce the impact on non-3 GPP network bottom simultaneously, and with the concrete protocol-independent on the interface of 3GGPP internet and 3G PP core net.
Based on same inventive concept, the system of a kind of terminal by non-3 GPP network access 3GPP core net and a kind of IAD and terminal are also provided in the embodiment of the present invention, the principle of dealing with problems due to this system and relevant device is similar to the method that terminal accesses 3GPP core net by non-3 GPP network, therefore the enforcement of this system and relevant device see the enforcement of terminal by the method for non-3 GPP network access 3GPP core net, can repeat part and repeats no more.
As shown in Figure 7, the terminal provided for the embodiment of the present invention, by the system configuration schematic diagram of non-3 GPP network access 3GPP core network, comprises 3GPP equipment of the core network 701, IAD 702 and terminal 703, wherein:
Terminal 703, after connecting with non-3 GPP network, send tunnel to IAD and set up request, the tunnel between described IAD is set up in request, and this tunnel is set up in request and carried public data network PDN connection type; And receive the network address of IAD 702 transmission;
IAD 702, after setting up request in the tunnel receiving terminal 703 transmission, send the request of PDN connection establishment to 3GPP equipment of the core network 701, request is set up and is connected with the PDN between 3GPP equipment of the core network 701, carries PDN connection type in this PDN connection establishment request; After the success of PDN connection establishment, receive the network address that 3GPP equipment of the core network 701 distributes to terminal 703, this network address is sent to terminal 703;
3GPP equipment of the core network 701, for being terminal 703 distribution network address according to carrying PDN connection type in the request of PDN connection establishment; And the network address distributing to terminal 703 is sent to IAD 702.
Wherein, tunnel is set up the PDN connection type carried in request and is comprised IPV4, and/or IPV6, and accordingly, 3GPP equipment of the core network 701, may be used for when PDN connection type is IPV4, and the network address distributing to terminal 703 is IPV4 address; When PDN connection type is IPV6, the network address distributing to terminal 703 is the prefix of IPV6 address; When PDN connection type is IPV4 and IPV6, the network address distributing to terminal 703 is the prefix of IPV4 address or IPV6 address.
Especially, terminal 703, before can also being used for connecting with non-3 GPP network, time by 3GPP network insertion 3GPP core net, if terminal wishes existing 3GPP access network to switch to non-3 GPP access network, and user's current business is not had an impact, then terminal is set up in request in tunnel and is carried switching designator;
IAD 702, can also be used in PDN connection request, carry this switching designator;
3GPP equipment of the core network 701, when to may be used for terminal 703 by 3GPP network insertion 3GPP core net, the network address distributing to terminal 703 is reassigned to terminal 703.
Preferably, terminal 703, can also be used for when accessing 3GPP core net by 3GPP network and non-3 GPP network simultaneously simultaneously, first-class mobility request is sent to IAD 702 by the tunnel between IAD 702, ask the data flow migration of 3GPP access way to non-3 GPP access mode, or by the data flow migration of non-3 GPP access mode to 3GPP access way, the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow is carried in this first-class mobility request, access way comprises non-3 GPP access mode and 3GPP access way,
IAD 702, also for after receiving first-class mobility request, send the request of second mobility to 3GPP equipment of the core network, in this second mobility request, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow;
3GPP equipment of the core network 701, also for after receiving the request of second mobility, if the access way that the data flow that traffic identifier is corresponding will move to is 3GPP access way, then increase respective carrier according to existing communication process or existing carrying modified, described data flow can be accepted; If the access way that the data flow that traffic identifier is corresponding will move to is non-3 GPP access mode, then according to existing communication process existing carrying is modified or delete.
Preferably, the tunnel transmission signaling of Session initiation Protocol SIP by setting up is adopted between terminal 703 and IAD 702.
As shown in Figure 8, be the structural representation of the IAD that the embodiment of the present invention provides, comprise:
First receiving element 801, request is set up in the tunnel sent for receiving terminal, and this tunnel is set up in request and carried PDN connection type;
First transmitting element 802, for sending the request of PDN connection establishment to 3GPP equipment of the core network, request is set up and is connected with the PDN between 3GPP equipment of the core network, carries PDN connection type in this PDN connection establishment request;
Second receiving element 803, for receiving 3GPP equipment of the core network after the success of PDN connection establishment, is the network address of described terminal distribution according to PDN connection type;
Second transmitting element 804, for sending to terminal by the network address received.
In concrete enforcement, first receiving element 801, may be used for before terminal and non-3 GPP network connect, during by 3GPP network insertion 3GPP core net, request is set up in the tunnel that receiving terminal sends, and this tunnel is set up in request and carried PDN connection type and switch designator;
First transmitting element 802, also sends to 3GPP equipment of the core network for being carried in PDN connection request by switching designator;
First indicating member, be used to indicate 3GPP equipment of the core network by terminal by 3GPP network insertion 3GPP core net time, terminal is redistributed in the network address distributing to terminal.
In concrete enforcement, IAD, can also comprise:
3rd receiving element, for when terminal accesses 3GPP core net by 3GPP network simultaneously, the first-class mobility request that receiving terminal sends according to the access way self stored and traffic identifier mapping table, carry the access way that the traffic identifier of the data flow that will move is corresponding with this data flow in this first-class mobility request, this access way comprises non-3 GPP access mode and 3GPP access way;
3rd transmitting element, for after receiving first-class mobility request, sends the request of second mobility to 3GPP equipment of the core network, carries the access way that the traffic identifier of the data flow that will move is corresponding with this data flow in this second mobility request;
Second indicating member, be used to indicate 3GPP equipment of the core network according to the second mobility request received, if the data flow access way that traffic identifier is corresponding is 3GPP access way, then by data flow migration corresponding for traffic identifier to non-3 GPP access mode, if the data flow access way that traffic identifier is corresponding is non-3 GPP access mode, then by data flow migration corresponding for traffic identifier to 3GPP access way.
As shown in Figure 9, be the structural representation of the terminal that the embodiment of the present invention provides, comprise:
First transmitting element 901, after connecting with non-3 GPP network, send tunnel to IAD and set up request, the tunnel between this IAD is set up in request, and this tunnel is set up in request and carried PDN connection type;
Receiving element 902, for receiving the network address that IAD sends, IAD to set up in request the PDN connection type that carries to 3GPP equipment of the core network request dispatching to the network address of terminal according to tunnel.
Wherein, the first transmitting element 901, also for before connecting with non-3 GPP network, when this terminal is by 3GPP network insertion 3GPP core net, sets up in request in tunnel and carries switching designator.
In concrete enforcement, the terminal that the embodiment of the present invention provides, can also comprise:
Memory cell, for storing access way and traffic identifier mapping table;
Second transmitting element, after setting up tunnel with IAD, when this terminal accesses 3GPP core net by 3GPP network simultaneously, flow mobility request is sent to IAD, ask the data flow migration of 3GPP access way to non-3 GPP access mode, or by the data flow migration of non-3 GPP access mode to 3GPP access way, carry the access way that the traffic identifier of the data flow that will move is corresponding with this data flow in this flow mobility request, this access way comprises non-3 GPP access mode and 3GPP access way.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
The system of the non-3 GPP network access 3GPP core net that the embodiment of the present invention provides, method and apparatus, terminal sends tunnel to IAD and sets up request, carry the information that PDN connection request is relevant simultaneously, IAD is after request is set up in the tunnel receiving terminal transmission, set up PDN with 3GPP equipment of the core network to be connected, then send to terminal the response message that request is set up in tunnel, and in this response message, carry the network address that 3GPP equipment of the core network is terminal distribution, so far, tunnel between terminal and IAD has been set up, be connected with the PDN between 3GPP core net simultaneously and also set up.In above process, without the need to modifying to terminal and non-3 GPP network bottom, just achieving terminal by non-3 GPP network access 3GPP core net, reducing the complexity of terminal by non-3 GPP network access 3GPP core net.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. terminal is by a method for non-3 GPP network access 3GPP core net, it is characterized in that, comprising:
Request is set up in the tunnel that IAD receiving terminal sends, and described tunnel is set up in request and carried public data network PDN connection type;
Described IAD sends the request of PDN connection establishment to 3GPP equipment of the core network, and request is set up PDN with described 3GPP core net and is connected, and carries described PDN connection type in the request of described PDN connection establishment;
Described IAD receives described 3GPP equipment of the core network after the success of PDN connection establishment, is the network address of described terminal distribution according to described PDN connection type;
The described network address is sent to described terminal by described IAD;
When described terminal passes through 3GPP core net described in 3GPP network insertion simultaneously, described IAD receives the first-class mobility request that described terminal sends, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow in described first-class mobility request, described access way comprises non-3 GPP access mode and 3GPP access way; And
After receiving described first-class mobility request, send the request of second mobility to described 3GPP equipment of the core network, in the request of described second mobility, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow;
Described 3GPP equipment of the core network is according to the second mobility request received, if the access way that data flow corresponding to traffic identifier will move to is 3GPP access way, then increases carrying or modifies to existing carrying; If the access way that the data flow that traffic identifier is corresponding will move to is non-3 GPP access mode, then existing carrying is modified or delete.
2. the method for claim 1, is characterized in that, before described terminal and non-3 GPP network connect, time by 3GPP network insertion 3GPP core net, described tunnel is set up in request and also carried switching designator; And
Described method, also comprises:
Described IAD sends the request of PDN connection establishment to 3GPP equipment of the core network, described switching designator is carried in described PDN connection request, indicate described 3GPP equipment of the core network by described terminal by 3GPP network insertion 3GPP core net time, described terminal is redistributed in the network address distributing to described terminal.
3. an IAD, is characterized in that, comprising:
First receiving element, request is set up in the tunnel sent for receiving terminal, and described tunnel is set up in request and carried public data network PDN connection type;
First transmitting element, for sending the request of PDN connection establishment to 3GPP equipment of the core network, request is set up and is connected with the PDN between described 3GPP equipment of the core network, carries described PDN connection type in the request of described PDN connection establishment;
Second receiving element, for receiving described 3GPP equipment of the core network after the success of PDN connection establishment, is the network address of described terminal distribution according to described PDN connection type;
Second transmitting element, for sending to described terminal by the described network address;
3rd receiving element, for when described terminal accesses described 3GPP core net by 3GPP network simultaneously, receive the first-class mobility request that described terminal sends, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow in described first-class mobility request, described access way comprises non-3 GPP access mode and 3GPP access way;
3rd transmitting element, for after receiving described first-class mobility request, send the request of second mobility to described 3GPP equipment of the core network, in the request of described second mobility, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow.
4. IAD as claimed in claim 3, is characterized in that,
Described first receiving element, also for before connecting in described terminal and non-3 GPP network, time by 3GPP network insertion 3GPP core net, request is set up in the tunnel that receiving terminal sends, and described tunnel is set up in request and carried PDN connection type and switch designator;
Described first transmitting element, also send to described 3GPP equipment of the core network for being carried in described PDN connection request by described switching designator, indicate described 3GPP equipment of the core network by described terminal by 3GPP network insertion 3GPP core net time, described terminal is redistributed in the network address distributing to described terminal.
5. a terminal, is characterized in that, comprising:
First transmitting element, after connecting with non-3 GPP network, send tunnel to IAD and set up request, the tunnel between described IAD is set up in request, and described tunnel is set up in request and carried public data network PDN connection type;
Receiving element, for receiving the network address that described IAD sends, described IAD sets up the PDN connection type that carries in request to 3GPP equipment of the core network request dispatching to the network address of described terminal according to described tunnel;
Memory cell, for storing access way and traffic identifier mapping table;
Second transmitting element, when this terminal accesses 3GPP core net by 3GPP network simultaneously simultaneously, flow mobility request is sent to described IAD, ask the data flow migration of 3GPP access way to non-3 GPP access mode, or by the data flow migration of non-3 GPP access mode to 3GPP access way, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow in described flow mobility request, described access way comprises non-3 GPP access mode and 3GPP access way.
6. terminal as claimed in claim 5, is characterized in that,
Described first transmitting element, also for before connecting with non-3 GPP network, time by 3GPP network insertion 3GPP core net, sets up in request in described tunnel and carries switching designator.
7. terminal is by a system for non-3 GPP network access 3GPP core net, it is characterized in that, comprises 3GPP equipment of the core network, IAD and terminal, wherein:
Described terminal, after connecting with non-third generation partner program 3GPP network, send tunnel to described IAD and set up request, the tunnel between described IAD is set up in request, and described tunnel is set up in request and carried public data network PDN connection type; And receive the network address of described IAD transmission; Also for when simultaneously by 3GPP network insertion 3GPP core net, first-class mobility request is sent to described IAD by the tunnel between IAD, ask the data flow migration of 3GPP access way to non-3 GPP access mode, or by the data flow migration of non-3 GPP access mode to 3GPP access way, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow in described first-class mobility request, described access way comprises non-3 GPP access mode and 3GPP access way;
Described IAD, for after receiving described tunnel and setting up request, send the request of PDN connection establishment to 3GPP equipment of the core network, request is set up and is connected with the PDN between described 3GPP equipment of the core network, carries described PDN connection type in the request of described PDN connection establishment; After described PDN connection establishment success, receive the network address that described 3GPP equipment of the core network distributes to described terminal, the described network address is sent to described terminal; Also for after receiving described first-class mobility request, send the request of second mobility to described 3GPP equipment of the core network, in the request of described second mobility, carry the access way that will move to that the traffic identifier of the data flow that will move is corresponding with this data flow;
Described 3GPP equipment of the core network, for being the described terminal distribution network address according to carrying PDN connection type in the request of described PDN connection establishment; And the network address distributing to described terminal is sent to described IAD; Also for after receiving the request of second mobility, if the access way that data flow corresponding to traffic identifier will move to is 3GPP access way, then increases carrying or existing carrying is modified; If the access way that the data flow that traffic identifier is corresponding will move to is non-3 GPP access mode, then existing carrying is modified or delete.
8. system as claimed in claim 7, it is characterized in that, described PDN connection type comprises IPV4, and/or IPV6; And
Described 3GPP equipment of the core network, specifically for when described PDN connection type is IPV4, the network address distributing to described terminal is IPV4 address; When described PDN connection type is IPV6, the network address distributing to described terminal is the prefix of IPV6 address; When described PDN connection type is IPV4 and IPV6, the network address distributing to described terminal is the prefix of IPV4 address or IPV6 address.
9. system as claimed in claim 7, is characterized in that,
Described terminal, also for before connecting with non-3 GPP network, time by 3GPP network insertion 3GPP core net, sets up in request in described tunnel and carries switching designator; And
Described IAD, also for carrying described switching designator in described PDN connection request;
Described 3GPP equipment of the core network, during specifically for described terminal is passed through 3GPP network insertion 3GPP core net, the network address distributing to described terminal is reassigned to described terminal.
10. the system as described in claim as arbitrary in claim 7 ~ 9, is characterized in that, adopts Session initiation Protocol SIP as tunnel protocol between described terminal and described IAD.
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| CN201110361865.7A CN103108401B (en) | 2011-11-15 | 2011-11-15 | System, the method and apparatus of non-3 gpp net access 3GPP core net |
| PCT/CN2012/083720 WO2013071816A1 (en) | 2011-11-15 | 2012-10-30 | System, method and device for access of non-3gpp network to 3gpp core network |
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| CN103368207B (en) * | 2013-07-31 | 2015-09-02 | 河南华润电力古城有限公司 | The optimization method of primary frequency modulation and device |
| CN105099849B (en) * | 2015-06-23 | 2018-09-04 | 新华三技术有限公司 | A kind of method for building up and equipment in the tunnels IPsec |
| WO2017024449A1 (en) * | 2015-08-07 | 2017-02-16 | 华为技术有限公司 | Processing method and device for accessing to 3gpp network by terminal |
| EP3396990B1 (en) * | 2016-01-19 | 2020-02-12 | Huawei Technologies Co., Ltd. | Routing rule transmission methods and devices |
| CN110138886A (en) * | 2018-02-09 | 2019-08-16 | 成都鼎桥通信技术有限公司 | A method of to hang back-up under WLAN hot spot with IP address |
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