CN101742696A - Method and device for transferring information - Google Patents
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- CN101742696A CN101742696A CN200910146384A CN200910146384A CN101742696A CN 101742696 A CN101742696 A CN 101742696A CN 200910146384 A CN200910146384 A CN 200910146384A CN 200910146384 A CN200910146384 A CN 200910146384A CN 101742696 A CN101742696 A CN 101742696A
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Abstract
The embodiment of the invention provides a method and a device for transferring information, and the method comprises the following steps: receiving a first connection request sent from terminal equipment by a wireless network; acquiring an access point name (APN) by the wireless network according to the first connection request; and sending indicative information to the terminal equipment by the wireless network, wherein the indicative information is used for indicating the terminal equipment to judge whether the APN sends more than two PDN connection requests to the wireless network according to the indicative information. In the embodiment of the invention, the wireless network sends the indicative information to the terminal equipment to enable the terminal equipment to judge whether the APN sends more than two PDN connection requests to the wireless network according to the indicative information so as to avoid unnecessary signaling interaction between the wireless network and the terminal equipment.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of information transmitting methods and device.
Background technology
Wireless network selects terminal equipment to wish the packet data network of visiting by APN APN, in order to realize that terminal equipment carries out business at packet data network, need to set up carrying and carry out the business transmission, wherein the set of carrying between terminal equipment and the packet data network is called PDN and is connected, under different situations, wireless network is supported to set up PDN at an APN and is connected number meeting difference.For example, corresponding to an APN, if being terminal equipment, packet data network distributed an IP address, wireless network supports to set up a PDN connection at an APN so, distributed two above IP addresses if packet data network is a terminal equipment, wireless network supports to set up two above PDN connections at an APN so; For example wireless network is at the agreement difference of described APN employing again, and it is different that the meeting of PDN connection number is set up in described wireless network support at described APN.
Therefore, only support to set up the situation that a PDN connects for wireless network at an APN, if terminal equipment sends plural PDN connection request at described APN to wireless network, wireless network can be refused described PDN connection request, thereby has caused unnecessary signaling interaction.
Can set up source radio network (3GPP network that two above PDNs connect by one at an APN when terminal equipment, as E-UTRAN/UTRAN/GERAN) move to one and only support to set up target radio network (the non-3GPP network that a PDN connects at an APN, as Wimax, WLAN, HRPD etc.), source radio network can't connect deletion with the PDN that does not set up at target radio network, thereby has caused existing in the source radio network redundant resource to discharge.
Summary of the invention
The invention provides a kind of information transmitting methods and device, to reduce unnecessary signaling interaction between terminal equipment and the wireless network.
The embodiment of the invention provides a kind of information transmitting methods, comprising: first connection request that the wireless network receiving terminal apparatus sends; Obtain APN APN according to the described wireless network of described first connection request; Described wireless network sends indication information to described terminal equipment, and described indication information is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
The embodiment of the invention provides a kind of control appliance, comprising: receiving element is used for first connection request that receiving terminal apparatus sends; Acquiring unit is used for obtaining APN APN according to described first connection request; Transmitting element is used for sending indication information to described terminal equipment, and described indication information is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
The embodiment of the invention provides a kind of terminal equipment, comprising: transmitting element is used for sending first connection request to wireless network; Receiving element, be used to receive the indication information that described wireless network sends, described indication information is used to indicate described terminal equipment to judge according to described indication information whether the APN at the first connection request correspondence sends two above PDN connection requests to described wireless network; Judging unit is used for judging at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
In an embodiment of the present invention, described wireless network sends indication information to described terminal equipment, make described terminal equipment judges at described APN whether send two above PDN connection requests to described wireless network according to described indication information, to avoid unnecessary signaling interaction between wireless network and the terminal equipment, saved the resource of wireless network and terminal equipment.
The present invention also provides a kind of method and device of resource deletion, work as terminal equipment by setting up source radio network (the 3GPP network that two above PDN connect at an APN to reduce by one, as E-UTRAN/UTRAN/GERAN) move to one and only support to set up target radio network (the non-3GPP network that a PDN connects at an APN, as Wimax, WLAN, HRPD etc.), source radio network can't connect deletion with the PDN that does not set up at target radio network, thereby has caused the problem that exists redundant resource to discharge in the source radio network.
The method of a kind of resource deletion comprises: when terminal when source network switches to objective network, wherein, described objective network only supports a PDN to connect under APN; Packet data gateway is set up a PDN at target radio network at described APN and is connected, and deletes described PDN and connects PDN connection in the corresponding source network; If described terminal is set up a plurality of PDN connections under the described APN of source radio network, described packet data gateway is further deleted other the PDN under described APN of terminal described in the source network and is connected.
A kind of packet data gateway comprises and sets up the unit, delete cells, judging unit, when terminal switches to from source network when only supporting a PDN linking objective network under APN, the described unit of setting up is used for setting up a PDN at target radio network at described APN and connects; Described delete cells is used for deleting described PDN and connects corresponding source network PDN connection; Described judging unit is used to judge if whether described terminal sets up a plurality of PDN connections under the described APN of source radio network, if then described delete cells is further used for deleting other the PDN under described APN of terminal described in the source network and connects.
In an embodiment of the present invention, when terminal when source network switches to objective network, packet data gateway is set up a PDN at target radio network at described APN and is connected, and deletes described PDN and connects that PDN connects in the corresponding source network; If described terminal is set up a plurality of PDN connections under the described APN of source radio network, described packet data gateway is further deleted other the PDN under described APN of terminal described in the source network and is connected.Connect deletion by the PDN that will not set up, thereby the redundant resource of source radio network is in time discharged at target radio network.
Description of drawings
Fig. 1 is the schematic diagram of a kind of wireless network of the embodiment of the invention;
Fig. 2 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention one;
Fig. 3 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention two;
Fig. 4 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention three;
Fig. 5 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention four;
Fig. 6 is the functional schematic of a kind of control appliance of the embodiment of the invention;
Fig. 7 is the functional schematic of a kind of terminal equipment of the embodiment of the invention;
Fig. 8 is the exemplary method flowchart of a kind of resource delet method of the embodiment of the invention;
Fig. 9 is the exemplary method flowchart of a kind of resource delet method of the embodiment of the invention;
Figure 10 is the structural representation of a kind of packet data gateway of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
Referring to Fig. 1, Fig. 1 is the schematic diagram of a kind of wireless network 1 of the embodiment of the invention, and described wireless network 1 comprises control appliance 6 and packet data gateway 5.
Described control appliance 6 is used for the processing of control signalings such as responsible user's mobile management, user access control, service bearer control, paging or key-course signaling process.Mobility Management Entity can be comprised at control appliance 6 described in the 3GPP consensus standard, Mobile Access Gateway can be comprised at control appliance 6 described in the non-3GPP consensus standard.
Described packet data gateway 5 can be connected with different data networks, be used for setting up carrying according to the service bearer control of described control appliance 6, the data that receiving terminal apparatus sends also are routed to corresponding external network, and receive the data of external network and send to terminal equipment.
Described control appliance 6 is selected packet data gateway 5 according to APN, the interface protocol type decided that the packet data gateway 5 of described selection is used described wireless network support to set up a PDN at described APN and connect and still support to set up two above PDN and connect.
Support to set up the situation that a PDN connects for described wireless network at described APN, connect if terminal equipment sends plural PDN at described APN to described wireless network, thereby described wireless network can be refused the connection request of described terminal equipment and increased unnecessary signaling interaction.In order to reduce unnecessary signaling interaction, the wireless network of the embodiment of the invention sends indication information to described terminal equipment, makes terminal equipment judge whether that according to described indication information sending plural PDN at described APN to wireless network connects.Support to set up the situation that a PDN connects for described wireless network at described APN, described terminal equipment judges that according to described indication information not sending plural PDN to described wireless network connects, thereby avoid unnecessary signaling interaction between wireless network and the terminal equipment, saved the resource of wireless network and terminal equipment.
Referring to Fig. 2, Fig. 2 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention one, and described method flow comprises the steps:
S21: first connection request that the wireless network receiving terminal apparatus sends.
In embodiment, can carry APN APN in described first connection request, wireless network selects terminal equipment to wish the packet data network of visiting by APN.
Described first connection request can be to adhere to request or PDN connection request.
S22: obtain APN APN according to the described wireless network of described first connection request.
If carry APN APN in first connection request, wireless network obtains APN from first connection request, if do not carry APN in first connection request, wireless network is that terminal equipment distributes APN according to first connection request.
S23: described wireless network sends indication information to described terminal equipment, and described indication information is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
Described indication information comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, wherein said wireless network is supported to set up PDN connection number information at described APN and is comprised that described wireless network supports to set up a PDN connection at described APN or two above PDN connect, and the protocol type information that described wireless network is supported at described APN comprises that GPRS Tunnel Protocol abbreviation GTP agreement or proxy mobile internet network agreement are called for short the PMIP agreement.
If described indication information comprises described wireless network and supports to set up that a PDN connects or described wireless network is supported the information of PMIP agreement, described terminal equipment to judge at described APN according to described indication information at described APN not send two above PDN connection requests to described wireless network at described APN.
In an embodiment of the present invention, comprise two and a plurality of more than two.
If described wireless network comprises described wireless network and supports to set up that a PDN connects or described wireless network is supported the information of PMIP agreement at described APN at described APN in the indication information that described terminal equipment sends, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information, thereby can avoid unnecessary signaling interaction between wireless network and the terminal equipment, save the resource of wireless network and terminal equipment.
Referring to Fig. 3, Fig. 3 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention two, and described method flow comprises the steps:
S31: first connection request that the wireless network receiving terminal apparatus sends.
S32: obtain APN APN according to the described wireless network of described first connection request.
If carry APN APN in first connection request, wireless network obtains APN from first connection request, if do not carry APN in first connection request, wireless network is that terminal equipment distributes described APN according to first connection request.
S33: described wireless network sends indication information to described terminal equipment, described indication information comprises that described wireless network supports to set up PDN at described APN and connect number information, and described wireless network is supported to set up PDN at described APN and connected number information and comprise that described wireless network supports to set up that a PDN connects or two above PDN connect at described APN.
In embodiment, described wireless network sends indication information to described terminal equipment, include One PDN per APN support indication indication information element or MultiplePDN per APN support indication indication information element or per APN support indication indication information element in the described indication information, wherein said One PDN per APN support indication indication information element represents that described wireless network supports to set up a PDN at described APN and connect, described Multiple PDN per APN supportindication indication information element represents that described wireless network supports to set up two above PDN at described APN and connect, described per APN support indication indication information element represents that described wireless network supports to set up the PDN link information at described APN, if described per APN support indication indication information element assignment is a described wireless network of expression to be supported to set up a PDN at described APN and connects, if described perAPN support indication indication information element assignment is that the described wireless network of expression is supported to set up two above PDN at described APN and connected more than two.
Described wireless network sends indication information to described terminal equipment can different execution modes, for example:
In the authentication process of 3GPP consensus standard or non-3GPP consensus standard, described wireless network sends indication information by authentication message to described terminal equipment; Perhaps
In the terminal equipment attaching process of 3GPP consensus standard, described wireless network is accepted message to described terminal equipment transmission indication information by adhering to; Perhaps
In the terminal equipment attaching process of non-3GPP consensus standard, described wireless network is finished message to described terminal equipment transmission indication information by adhering to; Perhaps
Initiate the PDN connection at the terminal equipment of 3GPP consensus standard and set up in the process, described wireless network sets up request message by carrying or the PDN connection is set up refuse information to described terminal equipment transmission indication information; Perhaps
Initiate the PDN connection at the terminal equipment of non-3GPP consensus standard and set up in the process, described wireless network is set up refuse information to described terminal equipment transmission indication information by returning new PDN link information message or PDN connection; Perhaps
In the authentication process of 3GPP consensus standard or non-3GPP consensus standard, in the terminal equipment attaching process of 3GPP consensus standard, in the terminal equipment attaching process of non-3GPP consensus standard, initiate PDN at the terminal equipment of 3GPP consensus standard and connect and set up in the process, initiate PDN at the terminal equipment of non-3GPP consensus standard and connect and set up in the process, also send described indication information to described terminal equipment by newly-increased message.
Only just for example, embodiments of the present invention are not limited in this to above-mentioned execution mode, can also send described indication information by the message of other flow processs.
S34: described terminal equipment judges at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
In embodiment, if include One PDN per APN supportindication indication information element in the described indication information, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information; If include Multiple PDN per APN support indication indication information element in the described indication information, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information; If including per APN support indication indication information element and assignment in the described indication information is one, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information; If including per APN support indication indication information element and assignment in the described indication information is more than two, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information.
Described wireless network sends indication information to described terminal equipment, if comprising described wireless network, described indication information supports to set up the information that a PDN connects at described APN, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information, thereby can avoid unnecessary signaling interaction between wireless network and the terminal equipment, save the resource of wireless network and terminal equipment.
Referring to Fig. 4, Fig. 4 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention three, and described method flow comprises the steps:
S41: first connection request that the wireless network receiving terminal apparatus sends.
S42: obtain APN APN according to the described wireless network of described first connection request.
If carry APN APN in first connection request, wireless network obtains APN from first connection request, if do not carry APN in first connection request, wireless network is that terminal equipment distributes APN according to first connection request.
S43: described wireless network sends indication information to described terminal equipment, and described indication information comprises the protocol type information that described wireless network is supported at described APN.
In embodiment, the protocol type that described wireless network is supported at described APN comprises that GPRS Tunnel Protocol is called for short the GTP agreement, perhaps proxy mobile internet network agreement proxy mobile IP is called for short the PMIP agreement, support to set up a PDN at described APN and connect if the protocol type that wherein described wireless network is supported at described APN is represented described wireless network for the PMIP agreement, support to set up two above PDN at described APN and connect if the protocol type that wherein described wireless network is supported at described APN is represented described wireless network for the GTP agreement.
Described wireless network sends indication information to described terminal equipment can different execution modes, for example:
In the authentication process of 3GPP consensus standard or non-3GPP consensus standard, described wireless network sends indication information by authentication message to described terminal equipment; Perhaps
In the terminal equipment attaching process of 3GPP consensus standard, described wireless network is accepted message to described terminal equipment transmission indication information by adhering to; Perhaps
In the terminal equipment attaching process of non-3GPP consensus standard, described wireless network is finished message to described terminal equipment transmission indication information by adhering to; Perhaps
Initiate the PDN connection at the terminal equipment of 3GPP consensus standard and set up in the process, described wireless network sets up request message by carrying or the PDN connection is set up refuse information to described terminal equipment transmission indication information; Perhaps
Initiate the PDN connection at the terminal equipment of non-3GPP consensus standard and set up in the process, described wireless network is set up refuse information to described terminal equipment transmission indication information by returning new PDN link information message or PDN connection; Perhaps
In the authentication process of 3GPP consensus standard or non-3GPP consensus standard, in the terminal equipment attaching process of 3GPP consensus standard, in the terminal equipment attaching process of non-3GPP consensus standard, initiate PDN at the terminal equipment of 3GPP consensus standard and connect and set up in the process, initiate PDN at the terminal equipment of non-3GPP consensus standard and connect and set up in the process, also send described indication information to described terminal equipment by newly-increased message.
Only just for example, embodiments of the present invention are not limited in this to above-mentioned execution mode, can also send described indication information by the message of other flow processs.
S44: described terminal equipment judges at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
In embodiment, the protocol type difference that the described wireless network that described indication information comprises is supported at described APN, the judged result of described terminal equipment can corresponding difference.For example, if the described wireless network that comprises in the described indication information is the PMIP protocol information at the protocol type that described APN supports, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information; If including described wireless network in the described indication information is the information of GTP agreement at the protocol type that described APN supports, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information.
Described wireless network sends indication information to described terminal equipment, if comprising described wireless network in the described indication information is the PMIP agreement at the protocol type that described APN supports, described terminal equipment is judged at described APN to two above PDN connection requests of described wireless network transmission according to described indication information, thereby can avoid unnecessary signaling interaction between wireless network and the terminal equipment, save the resource of wireless network and terminal equipment.
Referring to Fig. 5, Fig. 5 is the exemplary method flowchart of a kind of information transmitting methods of the embodiment of the invention four, and described method flow comprises the steps:
S51: first connection request that the wireless network receiving terminal apparatus sends.
S52: obtain APN APN according to the described first connection request wireless network.
If carry APN APN in first connection request, wireless network obtains APN from first connection request, if do not carry APN in first connection request, wireless network is that terminal equipment distributes APN according to first connection request.
S53: described wireless network sends indication information to described terminal equipment, and described indication information is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
S54, if the ability information of described wireless network changes, for example described wireless network connects to become and supports to set up that two above PDN connect or described wireless network connects to become and supports to set up a PDN and connect by supporting to set up two above PDN at described APN by supporting to set up a PDN at described APN, described wireless network sends the indication lastest imformation to described terminal equipment, and described indication lastest imformation is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.
Described indication lastest imformation comprises that the described wireless network after the variation supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, described wireless network after the wherein said variation is supported to set up PDN connection number information at described APN and is comprised that described wireless network supports to set up a PDN connection at described APN or two above PDN connect, and the protocol type information that described wireless network is supported at described APN comprises described wireless network support GTP agreement or PMIP agreement.
Optionally, set up at described APN at described wireless network under the condition of N PDN connection, described N 〉=2, if by supporting that setting up two above PDN connection becoming supports sets up a PDN connection, described wireless network discharges described N N-1 PDN in the PDN connection and connects described wireless network at described APN.
S55, described terminal equipment judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.
If described indication lastest imformation comprises described wireless network and supports to set up that a PDN connects or described wireless network is supported the information of PMIP agreement, described terminal equipment to judge at described APN according to described indication lastest imformation at described APN not send two above PDN connection requests to described wireless network at described APN; If perhaps described indication lastest imformation comprises described wireless network and supports to set up that two above PDN connect or described wireless network is supported the information of GTP agreement, described terminal equipment to judge at described APN according to described indication lastest imformation at described APN to send two above PDN connection requests to described wireless network at described APN.
Optionally, set up at described APN at described terminal equipment under the condition of N PDN connection, described N 〉=2, if described indication lastest imformation comprises described wireless network and supports to set up that a PDN connects or described wireless network supports the information of PMIP agreement, described terminal equipment to discharge N-1 the PDN connection of described N PDN in connecting at described APN at described APN.
If the ability information of described wireless network changes, described wireless network sends the indication lastest imformation to described terminal equipment, makes described terminal equipment judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.
If described wireless network is set up PDN connection a becoming support at described APN by support and is set up two above PDN connections, described terminal equipment sends plural PDN connection request according to described indication lastest imformation judgement to described wireless network, need be when wireless network sends two above PDN connection requests at described APN, terminal equipment sends two above PDN connection requests according to judged result to described wireless network, the user's request that described terminal equipment is in time satisfied under the condition that wireless network can be supported.
If described wireless network is set up two above PDN connection becoming supports at described APN by support and is set up a PDN connection, described terminal equipment does not send plural PDN connection request to described wireless network according to described indication lastest imformation judgement, thereby can avoid unnecessary signaling interaction between wireless network and the terminal equipment, save the resource of wireless network and terminal equipment.
Set up at described APN under the condition that N PDN be connected at wireless network and terminal equipment, N 〉=2, if described wireless network is set up two above PDN connection becoming supports at described APN by support and is set up a PDN connection, described wireless network is connected with N-1 the PDN that described terminal equipment in time discharges wherein, thereby can in time discharge the redundant resource in wireless network and the described terminal equipment.
The embodiment of the invention also provides the method for a kind of resource deletion, when terminal when source network switches to objective network, wherein, described objective network only supports a PDN to connect under APN; Packet data gateway is set up a PDN at target radio network at described APN and is connected, and deletes described PDN and connects PDN connection in the corresponding source network; If described terminal is set up a plurality of PDN connections under the described APN of source radio network, described packet data gateway is further deleted other the PDN under described APN of terminal described in the source network and is connected.
Referring to Fig. 8, Fig. 8 is the exemplary method flowchart of a kind of resource deletion of the embodiment of the invention five, present embodiment mainly described terminal equipment by set up under the APN source radio network that N PDN (N 〉=2) connect (as, the 3GPP network, comprise E-UTRAN network, GERAN or UTRAN network etc.) move at the target radio network of only supporting PDN to connect under the described APN (as, non-3GPP network comprises Wimax network, HRPD network or wlan network etc.).As, the interface protocol that uses GTP to move between non-3GPP network (as Wimax network, HRPD network or wlan network etc.) and Mobile Access Gateway and the packet data gateway by the interface protocol between 3GPP network (as E-UTRAN network, GERAN or UTRAN network) and gateway and the packet data gateway uses PMIP, the PDN of N-1 wherein is connected the method that described source radio network discharges, and described method flow comprises the steps:
Mobile Access Gateway is found and selected to S61, described terminal equipment at described target radio network.
S62, described Mobile Access Gateway are by the described terminal equipment of charging authentication server authentication.
S63, described terminal equipment send to described Mobile Access Gateway and adhere to request.
S64, described Mobile Access Gateway send agent binding request message (ProxyBinding Update) to packet data gateway.Carry described APN in the described agent binding request message.
S65, described packet data gateway upgrade the address information of described packet data gateway to attribution assigned user server by described charging authentication server.
The PDN that S66, described packet data gateway are set up under the described APN connects, and described packet data gateway sends proxy binding acknowledgment messages (Proxy Binding Ack) to described Mobile Access Gateway.
S67, described Mobile Access Gateway and described terminal equipment are mutual, notify to adhere to and finish.
S68, described packet data gateway in described source radio network, initiate the deleting load-bearing flow process with other N-1 under the described APN PDN connect deletion (as, described packet data gateway finds that an APN only supports a PDN to connect (packet data gateway finds that Mobile Access Gateway and the interface protocol between the described packet data gateway in the described target radio network are PMIP as described) in the described target radio network).Described packet data gateway connects (described other N-1 PDN connect) to described gateway transmission deleting bearing request message (Delete BearerRequest) at each PDN that need delete.
S69, described gateway receive behind the described deleting bearing request message to mobile management network element (as, MME or SGSN) send the deleting bearing request message.
S610, described mobile management network element send deleting bearing response message (Delete Bearer Response) to described gateway after receiving the deleting bearing request message.
S611, described gateway send the deleting bearing response message to described packet data gateway after receiving the deleting bearing request message.
Referring to Fig. 9, Fig. 9 is the exemplary method flowchart of a kind of resource delet method of the embodiment of the invention five, present embodiment mainly described terminal equipment described source radio network (as, the 3GPP network, comprise the E-UTRAN network, GERAN or UTRAN network etc.) set up N PDN (N 〉=2) connection at an APN, and described terminal equipment described target radio network (as, non-3GPP network, comprise the Wimax network, HRPD network or wlan network etc.) set up the PDN connection at described APN, described target radio network only support to set up PDN at described APN and connect (as, described target radio network right and wrong 3GPP network, as the Wimax network, HRPD network or wlan network etc., and the interface protocol between described Mobile Access Gateway and the described packet data gateway uses PMIP), the PDN of N-1 wherein is connected the method that described source radio network discharges, and described method flow comprises the steps:
S71, described terminal equipment send the PDN connection to described Mobile Access Gateway and set up request message.
S72, described Mobile Access Gateway send agent binding request message (ProxyBinding Update) to packet data gateway.Carry described APN in the agent binding request message.
S73, described packet data gateway upgrade the address information of described packet data gateway to attribution assigned user server by described charging authentication acting server.
The PDN that S74, described packet data gateway are set up under the described APN connects, and described packet data gateway sends proxy binding acknowledgment messages (Proxy Binding Ack) to described Mobile Access Gateway.
S75, described Mobile Access Gateway return the PDN link information of foundation to described terminal equipment.S76, described packet data gateway initiate the deleting load-bearing flow process with other N-1 PDN described APN under be connected described source radio network delete (as, described packet data gateway finds that an APN only supports a PDN connection (packet data gateway finds that described Mobile Access Gateway and the interface protocol between the described packet data gateway in the described target radio network are PMIP as described) in the described target radio network).Described packet data gateway connects (described other N-1 PDN connect) to described gateway transmission deleting bearing request message (Delete BearerRequest) at each PDN that need delete.
S77, described gateway receive behind the described deleting bearing request message to mobile management network element (as, MME or SGSN) send the deleting bearing request message.
S78, described mobile management network element send deleting bearing response message (Delete Bearer Response) to described gateway after receiving the deleting bearing request message.
S79, described gateway send the deleting bearing response message to described packet data gateway after receiving the deleting bearing request message.
Set up at described APN under the condition that N PDN be connected at described source radio network and described terminal equipment, N 〉=2, if setting up PDN at described target radio network at described APN, described terminal equipment connects, and described target radio network is only supported to set up a PDN at described APN and is connected, described packet data gateway is initiated the deleting load-bearing flow process other N-1 PDN is connected described source radio network deletion, thereby can in time discharge the redundant resource in the described source radio network.
Referring to Fig. 6 A, Fig. 6 A is the functional schematic of a kind of control appliance 6 of the embodiment of the invention, and described control appliance 6 can be mobile management network element or Mobile Access Gateway, and described control appliance 6 comprises:
Receiving element 61 is used for first connection request that receiving terminal apparatus sends.
Acquiring unit 62 is used for obtaining APN APN according to described first connection request that described receiving element 61 receives.
If carry APN in described first connection request, described acquiring unit 62 obtains described APN from described first connection request; If do not carry APN in described first connection request, described acquiring unit 62 is that described terminal equipment distributes described APN according to described first connection request.
Transmitting element 63, be used for sending indication information to described terminal equipment, described indication information is used to indicate described terminal equipment to judge according to described indication information whether the APN that obtains at described acquiring unit 62 sends two above PDN connection requests to described wireless network.
Described indication information comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, wherein said wireless network is supported to set up PDN connection number information at described APN and is comprised that described wireless network supports to set up a PDN connection at described APN or two above PDN connect, and the protocol type information that described wireless network is supported at described APN comprises that described wireless network support GPRS Tunnel Protocol is called for short GTP agreement or proxy mobile internet network agreement PMIP agreement.
Optionally, if described wireless network connects to become and supports to set up that two above PDN connect or described wireless network connects to become and supports to set up a PDN and connect by supporting to set up two above PDN at described APN by supporting to set up a PDN at described APN, described transmitting element 63 also is used for sending the indication lastest imformation to described terminal equipment, and described indication lastest imformation is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.Described indication lastest imformation comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, described wireless network is set up PDN connection number information at described APN support and is comprised that a PDN connection is set up in support or two above PDN connections are set up in support, and described wireless network comprises support GTP agreement or support PMIP agreement at the protocol type information of described APN support.
Referring to Fig. 6 B, Fig. 6 B is the functional schematic of a kind of control appliance 6 of the embodiment of the invention, described control appliance 6 not only comprises receiving element 61, acquiring unit 62, transmitting element 63, described control appliance 6 also comprises releasing unit 64, at described wireless network is that the APN that described acquiring unit 62 obtains sets up under the condition of N PDN connection, described N 〉=2, if described wireless network is set up two above PDN connection becoming supports at described APN by support and set up a PDN connection, described releasing unit 64 is used for discharging N-1 the PDN connection that described N PDN connects.
Referring to Fig. 7 A, Fig. 7 A is the functional schematic of a kind of terminal equipment 7 of the embodiment of the invention, and described terminal equipment 7 comprises:
Transmitting element 71 is used for sending first connection request to wireless network.Described wireless network obtains APN APN according to described first connection request.
Receiving element 72, be used to receive the indication information that described wireless network sends, described indication information is used to indicate described terminal equipment to judge according to described indication information whether the APN at the first connection request correspondence sends two above PDN connection requests to described wireless network.Described indication information comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN.Described wireless network is set up PDN connection number information at described APN support and is comprised that a PDN connection is set up in support or two above PDN connections are set up in support, and described wireless network comprises support GTP agreement or support PMIP agreement at the protocol type information of described APN support.
Judging unit 73 is used for judging at described APN whether send two above PDN connection requests to described wireless network according to the described indication information that described receiving element 72 receives.
If described indication information comprises that described wireless network is set up a PDN connection at described APN support or described wireless network is supported the PMIP protocol information at described APN, described judging unit 73 is used for judging that according to described indication information not sending plural PDN connection foundation to described wireless network at described APN asks; If described indication information comprises that described wireless network is set up two above PDN connections at described APN support or described wireless network is supported the GTP protocol information at described APN, described judging unit 73 is used for judging that according to described indication information sending plural PDN connection foundation at described APN to described wireless network asks.
Optionally, described receiving element 72 also is used to receive the indication lastest imformation of described wireless network, and described indication lastest imformation is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.Described indication lastest imformation comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, described wireless network is set up PDN connection number information at described APN support and is comprised that a PDN connection is set up in support or two above PDN connections are set up in support, and described wireless network comprises support GTP agreement or support PMIP agreement at the protocol type information of described APN support.
Described judging unit 73 also is used for judging at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.If described indication lastest imformation comprises described wireless network and supports to set up that a PDN connects or described wireless network is supported the information of PMIP agreement, described terminal equipment to judge at described APN according to described indication lastest imformation at described APN not send two above PDN connection requests to described wireless network at described APN; If perhaps described indication lastest imformation comprises described wireless network and supports to set up that two above PDN connect or described wireless network is supported the information of GTP agreement, described terminal equipment to judge at described APN according to described indication lastest imformation at described APN to send two above PDN connection requests to described wireless network at described APN.
Referring to Fig. 7 B, Fig. 7 B is the functional schematic of a kind of terminal equipment 7 of the embodiment of the invention, terminal equipment 7 not only comprises transmitting element 71, receiving element 72, judging unit 73, described terminal equipment 7 also comprises releasing unit, set up at described APN at described terminal equipment under the condition of N PDN connection, described N 〉=2, if the described indication lastest imformation that described receiving element 72 receives comprises described wireless network and supports to set up that a PDN connects or described wireless network is supported the information of PMIP agreement at described APN at described APN that described releasing unit is used for discharging N-1 the PDN connection that described N PDN connects.
As Figure 10, Figure 10 is the structural representation of a kind of packet data gateway of the embodiment of the invention five, wherein, this packet data gateway 10 comprises sets up unit 101, delete cells 102, judging unit 103, when terminal switches to from source network when only supporting a PDN linking objective network under APN
The described unit 101 of setting up is used for setting up a PDN at target radio network at described APN and connects;
Described delete cells 102 is used for deleting described PDN and connects corresponding source network PDN connection;
Described judging unit 103 is used to judge if whether described terminal sets up a plurality of PDN connections under the described APN of source radio network, if,
Then described delete cells 103 is further used for deleting other the PDN under described APN of terminal described in the source network and connects.
Wherein, terminal other PDN connection under described APN is specially described in the described delete cells 103 deletion source networks: by the PDN connection deletion of deleting load-bearing flow process with other.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium.The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than by embodiment a kind of information transmitting methods provided by the present invention, device and system are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (20)
1. the method for a resource deletion is characterized in that, comprising:
When terminal when source network switches to objective network, wherein, described objective network only supports a PDN to connect under APN;
Packet data gateway is set up a PDN at target radio network at described APN and is connected, and deletes described PDN and connects PDN connection in the corresponding source network;
If described terminal is set up a plurality of PDN connections under the described APN of source radio network, described packet data gateway is further deleted other the PDN under described APN of terminal described in the source network and is connected.
2. the method for resource deletion according to claim 1 is characterized in that, other PDN connection is specially in the packet data gateway deletion source network: described packet data gateway is by the PDN connection deletion of deleting load-bearing flow process with other.
3. the method for resource deletion according to claim 2, it is characterized in that, described packet data gateway is specially by the PDN connection deletion of deleting load-bearing flow process with other: when the interface protocol between described packet data gateway basis and the Mobile Access Gateway is PMIP, by the PDN connection deletion of deleting load-bearing flow process with other.
4. an information transmitting methods is characterized in that, comprising:
First connection request that the wireless network receiving terminal apparatus sends;
Obtain APN APN according to the described wireless network of described first connection request;
Described wireless network sends indication information to described terminal equipment, and described indication information is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication information.
5. information transmitting methods according to claim 4 is characterized in that, described indication information comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN.
6. according to claim 4 or 5 described information transmitting methods, it is characterized in that described wireless network sends described indication information to described terminal equipment and comprises:
Described wireless network sends described indication information by authentication message to described terminal equipment;
Perhaps, described wireless network is accepted message and is sent described indication information to described terminal equipment by adhering to;
Perhaps, described wireless network is finished message and is sent described indication information to described terminal equipment by adhering to;
Perhaps, described wireless network is set up request message by carrying and is sent described indication information to described terminal equipment;
Perhaps, described wireless network is set up refuse information by the PDN connection and is sent described indication information to described terminal equipment;
Perhaps, described wireless network is set up request message and is sent described indication information to described terminal equipment by returning new PDN link information message bearing.
7. information transmitting methods according to claim 4, it is characterized in that, if described wireless network connects to become and supports to set up that two above PDN connect or described wireless network connects to become and supports to set up a PDN and connect by supporting to set up two above PDN at described APN by supporting to set up a PDN at described APN, described method also comprises:
Described wireless network sends the indication lastest imformation to described terminal equipment, and described indication lastest imformation is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.
8. information transmitting methods according to claim 4, it is characterized in that, at described wireless network is that described APN sets up under the condition of N PDN connection, described N 〉=2, if by supporting that setting up two above PDN connection becoming supports sets up a PDN connection, described method also comprises described wireless network at described APN:
Described wireless network discharges described N N-1 PDN in the PDN connection and connects.
9. a control appliance is characterized in that, comprising:
Receiving element is used for first connection request that receiving terminal apparatus sends;
Acquiring unit is used for obtaining APN APN according to described first connection request that described receiving element receives;
Transmitting element, be used for sending indication information to described terminal equipment, described indication information is used to indicate described terminal equipment to judge according to described indication information whether the described APN that obtains at described acquiring unit sends two above PDN connection requests to described wireless network.
10. control appliance according to claim 9 is characterized in that, described indication information comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN.
11. control appliance according to claim 9, it is characterized in that, if described wireless network connects to become and supports to set up that two above PDN connect or described wireless network connects to become and supports to set up a PDN and connect by supporting to set up two above PDN at described APN by supporting to set up a PDN at described APN, described transmitting element also is used for sending the indication lastest imformation to described terminal equipment, and described indication lastest imformation is used to indicate described terminal equipment to judge at described APN whether send two above PDN connection requests to described wireless network according to described indication lastest imformation.
12. control appliance according to claim 9, it is characterized in that, described control appliance also comprises releasing unit, at described wireless network is that described APN sets up under the condition of N PDN connection, described N 〉=2, if described wireless network is set up two above PDN connection becoming supports at described APN by support and set up a PDN connection, described releasing unit is used for discharging N-1 the PDN connection that described N PDN connects, and notifies described transmitting element.
13., it is characterized in that described control appliance comprises mobile management network element or Mobile Access Gateway according to each described control appliance of claim 9 to 12.
14. a terminal equipment is characterized in that, comprising:
Transmitting element is used for sending first connection request to wireless network;
Receiving element, be used to receive the indication information that described wireless network sends, described indication information is used to indicate described terminal equipment to judge according to described indication information whether the APN at the first connection request correspondence sends two above PDN connection requests to described wireless network;
Judging unit, the indication information that is used for receiving according to described receiving element judges at described APN whether send two above PDN connection requests to described wireless network.
15. terminal equipment according to claim 14, it is characterized in that, described indication information comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, described wireless network is set up PDN connection number information at described APN support and is comprised that a PDN connection is set up in support or two above PDN connections are set up in support, and described wireless network comprises support GTP agreement or support PMIP agreement at the protocol type information of described APN support.
16. terminal equipment according to claim 15, it is characterized in that, if described indication information comprises that described wireless network supports to set up a PDN connection at described APN or described wireless network is supported the PMIP protocol information at described APN, described judging unit is used for judging that according to described indication information whether sending two above PDN connection requests to described wireless network at described APN comprises:
Described judging unit is used for judging that according to described indication information not sending plural PDN to described wireless network at described APN connects the request of foundation.
17. terminal equipment according to claim 14, it is characterized in that, described receiving element also is used to receive the indication lastest imformation of described wireless network, described indication lastest imformation comprises that described wireless network supports to set up PDN at described APN and connect the protocol type information that number information or described wireless network are supported at described APN, described wireless network is set up PDN connection number information at described APN support and is comprised that a PDN connection is set up in support or two above PDN connections are set up in support, and described wireless network comprises support GTP agreement or support PMIP agreement at the protocol type information of described APN support.
18. terminal equipment according to claim 17, it is characterized in that, described terminal equipment also comprises releasing unit, set up at described APN at described terminal equipment under the condition of N PDN connection, described N 〉=2, if described indication lastest imformation comprises described wireless network and supports to set up that a PDN connects or described wireless network is supported the information of PMIP agreement at described APN at described APN that described releasing unit is used for discharging N-1 the PDN connection that described N PDN connects.
19. a packet data gateway is characterized in that, comprises and sets up the unit, and delete cells, judging unit, when terminal switches to from source network when only supporting a PDN linking objective network under APN,
The described unit of setting up is used for setting up a PDN at target radio network at described APN and connects;
Described delete cells is used for deleting described PDN and connects corresponding source network PDN connection;
Described judging unit is used to judge if whether described terminal sets up a plurality of PDN connections under the described APN of source radio network, if,
Then described delete cells is further used for deleting other the PDN under described APN of terminal described in the source network and connects.
20. packet data gateway as claimed in claim 19 is characterized in that, described delete cells is by the PDN connection deletion of deleting load-bearing flow process with other.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910146384A CN101742696A (en) | 2008-11-10 | 2009-06-22 | Method and device for transferring information |
| PCT/CN2009/074883 WO2010051777A1 (en) | 2008-11-10 | 2009-11-10 | Information transmission method, resource deletion method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810217416.3 | 2008-11-10 | ||
| CN200910146384A CN101742696A (en) | 2008-11-10 | 2009-06-22 | Method and device for transferring information |
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| CN101742696A true CN101742696A (en) | 2010-06-16 |
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| CN200910146384A Pending CN101742696A (en) | 2008-11-10 | 2009-06-22 | Method and device for transferring information |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148876A (en) * | 2011-05-10 | 2011-08-10 | 中国联合网络通信集团有限公司 | Access point switching method and device on iOS |
| CN103327481A (en) * | 2012-03-21 | 2013-09-25 | 中兴通讯股份有限公司 | Method, device and system for establishing data connection |
| CN103327481B (en) * | 2012-03-21 | 2018-08-17 | 中兴通讯股份有限公司 | Establish the method, apparatus and system of data connection |
| CN102984815A (en) * | 2012-12-07 | 2013-03-20 | 华为终端有限公司 | Packet data connection processing method, terminal device, network side device and system |
| WO2014086320A1 (en) * | 2012-12-07 | 2014-06-12 | 华为终端有限公司 | Packet data connection processing method, terminal device, network-side device and system |
| CN104853414A (en) * | 2015-06-11 | 2015-08-19 | 联想(北京)有限公司 | Control method and electronic equipment |
| CN104853414B (en) * | 2015-06-11 | 2018-06-01 | 联想(北京)有限公司 | A kind of control method and electronic equipment |
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