CN101453768B - Method for providing packet service while hand-over between different kinds networks and mobile communication terminal for the same - Google Patents
Method for providing packet service while hand-over between different kinds networks and mobile communication terminal for the same Download PDFInfo
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- CN101453768B CN101453768B CN2008101665613A CN200810166561A CN101453768B CN 101453768 B CN101453768 B CN 101453768B CN 2008101665613 A CN2008101665613 A CN 2008101665613A CN 200810166561 A CN200810166561 A CN 200810166561A CN 101453768 B CN101453768 B CN 101453768B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The present invention provides a method for providing packet service while hand-over between different kinds networks and mobile communication terminal for the same, wherein the mobile communication terminal includes an application module; a communication module and a communication control module, the method includes distributing virtual IP to the mobile communication terminal with the communication module; using the virtual IP to request packet data connection with the application module; connecting conversation to a first mobile communication network via a first mobile communication network connecting a modem and distributed with a first IP from the first mobile communication network; the communication module converting the virtual IP into the first IP, transmitting request to a special operation server via the first mobile communication network and transmitting the packet data to the application module; the communication control module connecting conversation to a second mobile communication network via a second mobile communication network connecting a modem and distributed with a second IP from the second mobile communication network, the application module storing a frame number of a frame received from the special operation server; the communication control module converting the virtual IP into the second IP, receiving packet data from the next frame of the last received frame and transmitting the packet data to the application module.
Description
Technical field
The present invention relates to the switching between the heterogeneous network, more particularly, relate to a kind of method and mobile communication terminal that packet service is provided when switching between heterogeneous network, seamless packet service is provided when second mobile communications network switches when providing packet service in first mobile communications network when.
Background technology
In order to support the switching between the heterogeneous network, need carry out a large amount of changes to system and terminal.For this reason, definitely must realize meeting the system and the terminal of international standard standard.
Particularly, owing to only realize switching when changing base station or network by the interface between the network, therefore the switching meeting between the heterogeneous network is very complicated, and occur postponing in the process of the switching between the execution heterogeneous network under the situation of packet service, cause IP to change owing to network changes, therefore cause serving the result of disconnection.
Particularly, mobile communication terminal is when network A moves to network B when receiving packet service, and all packet service that receive in the network A all can disconnect, and this terminal should send packet call once more after moving to network B.At this moment, terminal receives new IP address.Afterwards, the user attempts button by pressing packet call once more, is connected to network B and receives service, in the case, does not guarantee the continuity of packet service.
Therefore, though the IP address modification should not disconnect service.Yet, have such problem: when using the changing method of previous proposition, need the separate nodes of enforcement such as mobile IP server to switch.
Summary of the invention
Therefore, the problems referred to above that occur in the consideration prior art are made the present invention, target of the present invention provides a kind of method that packet service is provided when switching between heterogeneous network, and a kind of mobile communication terminal that is used for this packet service, wherein when between heterogeneous network, switching, can carry out the re-transmission of packet service under the situation that does not have the network interface, though cause the IP address modification owing to access network changes, service can not disconnect yet.
Another target of the present invention provides a kind of method that packet service is provided when switching between heterogeneous network, and a kind of mobile communication terminal that is used for this packet service, when wherein between heterogeneous network, switching, do not consider the international standard standard and provide packet service based on terminal software, thereby the switching node that need not to add, and can not disconnect service.
In order to realize above target, according to an aspect of the present invention, provide a kind of method that packet service is provided when switching between heterogeneous network, the mobile communication terminal of carrying out this method comprises the application module that is used to carry out the application of using packet data network; Be provided with the communication module of a plurality of modulator-demodulators; And being used to carry out the communication control module of the communication interface between mobility and session management and described application module and the described communication module, this method may further comprise the steps: (a) distribute virtual IP address by described communication control module to described mobile communication terminal; (b) use the virtual IP address of distributing to described terminal by described application module, request connects the grouped data of described communication control module; (c) by the first mobile communications network connection modulator-demodulator of described communication control module session is connected to first mobile communications network and is assigned to an IP from described first mobile communications network by described communication module; (d) if described application module uses described virtual IP address request from service-specific server (traffic server) request grouped data, then described communication control module is converted to an IP with described virtual IP address, by described first mobile communications network described request is sent to described service-specific server, and will be sent to described application module from the grouped data that described service-specific server receives; (e) if determined to switch to second mobile communications network according to the change mobile or wireless environment of described terminal, then described communication control module is connected to described second mobile communications network by second mobile communications network connection modulator-demodulator of described communication module with session, and be assigned to the 2nd IP from described second mobile communications network, the frame number of the frame that described application module storage receives from described service-specific server at last; And if (f) described application module uses described virtual IP address request to download grouped data continuously from described service-specific server according to the frame number of being stored, then described communication control module is converted to described the 2nd IP with described virtual IP address, transmit described request by described second mobile communications network to described service-specific server, the next frame of the frame from last from described service-specific server reception begins receiving block data, and transmits the grouped data that is received to described application module.
Here, step (e) can may further comprise the steps: measured wireless environment and determined by described communication control module and switch; When remaining connected to described first mobile communications network, second mobile communications network that described communication control module drives described communication module connects modulator-demodulator, request is connected to described second mobile communications network, and notify described application module all set to switch, and the frame number of the frame that receives from described service-specific server at last by described application module storage.
Here, step (e) also can may further comprise the steps: if finished the connection of described second mobile communications network, then described communication control module is finished the connection of described second mobile communications network to described application module report.
In addition, in step (d), described communication control module is converted to a described IP in real time with described virtual IP address between described application module and described communication module, making it possible to provides packet data service by the communication module of using a described IP to the application module that uses described virtual IP address.
Then, in step (f), described communication control module is converted to described the 2nd IP in real time with described virtual IP address between described application module and described communication module, making it possible to provides packet data service by the communication module of using described the 2nd IP to the application module that uses described virtual IP address.
In order to realize above-mentioned target, according to a further aspect in the invention, provide a kind of method that packet service is provided when switching between heterogeneous network, the mobile communication terminal of carrying out this method comprises the application module that is used to carry out the application of using packet data network; Be provided with the communication module of a plurality of modulator-demodulators; And being used to carry out the communication control module of the communication interface between mobility and session management and described application module and the described communication module, this method may further comprise the steps: (a) connect modulator-demodulator by first mobile communications network of described communication control module by described communication module session is connected to first mobile communications network and is assigned to an IP from described first mobile communications network; (b) if described application module uses a described IP from service-specific server request grouped data, then described communication control module transmits from the grouped data that described service-specific server received to described application module by described first mobile communications network; (c) if according to described terminal move or switching to second mobile communications network has been determined in the change of wireless environment, then described communication control module is connected to described second mobile communications network by second mobile communications network connection modulator-demodulator of described communication module with session, and be assigned to the 2nd IP from described second mobile communications network, the frame number of the frame that described application module storage receives from described service-specific server at last; (d) use described IP request to download grouped data continuously by described application module according to the frame number of being stored from described service-specific server, and (e) a described IP is converted to the 2nd IP that distributes from described second mobile communications network by described communication control module, transmit the request of described continuous download grouped data to described service-specific server by described second mobile communications network, the next frame of the frame from last from the service-specific server reception begins receiving block data, and transmits the grouped data that is received to application module.
Here, step (c) may further comprise the steps: measured wireless environment and determined by described communication control module and switch; When remaining connected to described first mobile communications network, second mobile communications network that described communication control module drives described communication module connects modulator-demodulator, request is connected to described second mobile communications network, and notify described application module all set to switch, and the frame number of the frame that receives from described service-specific server at last by described application module storage.
In addition, (c) is further comprising the steps of for step: if finished the connection of second mobile communications network, then described communication control module is finished the connection of described second mobile communications network to described application module report.
Then, in step (e), described communication control module is converted to described the 2nd IP in real time with a described IP between described application module and described communication module, making it possible to provides packet data service by the communication module of using described the 2nd IP to the application module that uses a described IP.
On the other hand, in order to realize above-mentioned target, according to a further aspect in the invention, a kind of mobile communication terminal that seamless packet service is provided when changing the IP address according to the switching between the heterogeneous network is provided, this terminal comprises: application module, be used to carry out the application of using packet data network, and use fixing IP and and the IP address modification that causes of the switching between the heterogeneous network packet service irrespectively is provided; Be provided with a plurality of communication modules that are used to be connected to the modulator-demodulator of mobile communications network, be used to use the practical IP of distributing from mobile communications network from the service server receiving block data; And communication control module, be used to carry out the communication interface between mobility and session management and described application module and the described modulator-demodulator, and carry out the employed fixedly IP of described application module and the practical IP of distributing from described mobile communications network between real-time conversion, making it possible to provides packet data service by the communication module of using the practical IP of distributing from described mobile communications network to the application module that uses described fixedly IP.
Here, if when the switching of having determined from described service server receiving block data and when carrying out packet service by described first mobile communications network from first mobile communications network to second mobile communications network, then described application module storage is by the frame number of described first mobile communications network from the last received frame of described service server, if and finished switching, would then download grouped data continuously from described service server according to the frame number request of being stored.
In addition, described communication control module comprises: the mobile management module, be used for the mobility of office terminal, and determine whether to switch according to specific criteria, and the managing conversation connection status; Session management module is used for carrying out session foundation and discharge under the control of described mobile management module; Tcp/ip layer is used to handle the agreement that packet data service is provided; And device driver, be used to control each modulator-demodulator of described communication module, and carry out the employed fixedly IP of described application module and the practical IP of distributing from described mobile communications network between real-time conversion.
In addition, described device driver distributes virtual IP address as the employed fixedly IP of described mobile communication terminal, and carry out described virtual IP address with from the real-time conversion between the practical IP of described mobile communications network distribution.
Then, described device driver uses the practical IP of distributing from described mobile communications network in the starting stage, as fixing IP.
On the other hand, in order to realize above-mentioned target, according to a further aspect in the invention, a kind of mobile communication terminal that seamless packet service is provided when changing the IP address according to the switching between the heterogeneous network is provided, this terminal comprises: application module, be used to carry out the application of using packet data network, and the virtual IP address that uses described terminal inner to distribute provides packet service; Dispose a plurality of communication modules that are used to be connected to the modulator-demodulator of mobile communications network, be used to use the practical IP of distributing from mobile communications network from the service server receiving block data; And communication control module, be used to carry out the communication interface between mobility and session management and described application module and the described modulator-demodulator, to described terminal distribution virtual IP address, and carry out the employed virtual IP address of described application module and the practical IP of distributing from described mobile communications network between real-time switching, making it possible to provides packet data service by the communication module of using the practical IP of distributing from described mobile communications network to the application module that uses described virtual IP address.
Here, described communication control module can comprise: the mobile management module, be used to manage moving of described terminal, and determine whether to carry out according to specific criteria and switch, and the managing conversation connection status; Session management module is used for advancing to hold session foundation and discharge under the control of mobile management module; Tcp/ip layer is used to handle the agreement that packet data service is provided; And device driver, be used to control each modulator-demodulator of described communication module, to described terminal distribution virtual IP address, and carry out the employed virtual IP address of described application module and the practical IP of distributing from described mobile communications network between real-time conversion.
Therefore,, when effectively part is to switch, under the situation that does not have the network interface, can carry out the re-transmission of packet service between heterogeneous network according to the present invention, though and owing to the access network change causes the IP address modification, service is disconnected.
And according to the present invention, favourable part is therefore not need additional switching node owing to provide packet service based on terminal software when switching between heterogeneous network, in addition, can provide seamless service under the situation that does not change the international standard standard.
Description of drawings
Fig. 1 is an illustration network configuration of the present invention.
Fig. 2 is the figure that illustrates according to the configuration of the mobile communication terminal of an embodiment of the invention.
Fig. 3 is the order illustration provides the method for packet service during according to the switching of an embodiment of the invention between heterogeneous network a flow chart.
Fig. 4 provides the flow chart of the operational processes of the application in the method for packet service when being illustration according to the switching of an embodiment of the invention between heterogeneous network.
Embodiment
To know the details of understanding according to purpose of the present invention, technical configuration and operating effect with reference to the accompanying drawing in the explanation more according to following detailed description.
Fig. 1 is an illustration network configuration of the present invention.
The present invention relates to be used to solve the operation of the mobile communication terminal 100 of the problem that the calling that occurs disconnects when dividing into groups to switch, mobile communication terminal 100 moving or the change of wireless environment when carrying out switching to second mobile communications network when after being connected to IP network, communicating by letter wherein according to mobile communication terminal 100 with service server 200 by first mobile communications network, though distributed new IP address from second mobile communications network, but make the application in the mobile communication terminal 100 can use the previous I P address same as before, therefore can receive the grouped data that receives from service server 200 continuously.
The configuration and the operation of mobile communication terminal 100 of the present invention are described with reference to figure 2 for this reason.
Fig. 2 is the figure that illustrates according to the configuration of the mobile communication terminal of embodiment of the present invention.
As shown in Figure 2, mobile communication terminal 100 of the present invention comprises application module 110, is used to carry out the application of using packet data network; Communication control module 120 is used to carry out mobility and session management etc.; And communication module 130, it disposes a plurality of modulator-demodulators.
Here, the mobility of mobile management module 121 office terminals is determined to switch according to the specific criteria such as signal strength signal intensity, and the managing conversation connection status.
In addition, if determined switching from first mobile communications network to second mobile communications network, then mobile management module 121 notice application modules 110 all set switch, make application module 110 can store the frame number of last received grouping, if finish switching, the 121 report switchings of then mobile management module are finished, and make application module 110 can carry out continuous download function.
Set up and release by session in response to carrying out from the request of mobile management module 121 for session management module 122.
Tcp/ip layer 123 is layers of handling the agreement that packet data service is provided, and it uses the general protocol that uses in the packet data network same as before, and is not limited to ICP/IP protocol.
Each modulator-demodulator of device driver 124 control communication modules 130, to the terminal distribution virtual IP address, and carry out virtual IP address that application module 110 uses with from the real-time conversion between the practical IP of mobile communications network distribution.
Promptly, in the present invention, though owing to the change of access network causes IP to change, but device driver 124 makes application module 110 former state to use the previous IP that uses that packet data service is provided under the situation that understanding changes less than IP, for this reason, though changed IP, device driver is the IP after application module 110 provides change not, changes and controls modulator-demodulator but itself carry out IP.
On the other hand, in the present invention, virtual IP address is meant the IP that application module 110 can irrespectively use all the time with the change of access network, and device driver 124 can distribute virtual IP address when starting terminal, and the IP that can distribute when initially connecting network is used as virtual IP address.
The operation of aforementioned mobile communication terminal 100 is described below with reference to Fig. 3 and 4.
Fig. 3 is the order illustration provides the method for packet service during according to the switching of embodiment of the present invention between heterogeneous network a flow chart, and it illustrates the operation between mobile communication terminal 100, mobile communications network and the service server 200.
As shown in Figure 3, at first, communication control module 120 in inside to terminal distribution virtual IP address, S301.The IP that distributes will initially connect network the time in the present invention, except that the practical IP of distributing, distributes virtual IP address, if then can omit step S301 as virtual IP address from mobile communications network.
Then, if application module 110 uses the virtual IP address request to be connected to mobile communications network (packet data network), S303, then network A (first mobile communications network) the connection modulator-demodulator of communication control module 120 request communication modules 130 is connected to network A, S305, and corresponding modulator-demodulator is connected to network A with session, receive IP_A, S307, and communicate that request to communication control module 120, S309.
Mapping relations between communication control module 120 corresponding IP_A of storage and the virtual IP address, and finish connection, S311 to application module 110 reports.Afterwards, if application module 110 uses virtual IP address request and service server 200 to carry out the grouped data transmission and receives S313-a, then communication control module 120 is converted to IP_A with respective virtual IP, S313-b, and use IP_A to communicate by letter S313-c with service server 200.
Afterwards, if the result according to radio environment measurements determines to switch, S315, then network B (second mobile communications network) the connection modulator-demodulator of communication control module 120 request communication modules 130 is connected to network B, S317, and respective modem is connected to network B with session, receive IP_B, S319, and communicate that request to communication control module 120, S321.
At this moment, if determined switching, then communication control module 120 can notify application module 110 all set to switch, S317-1, in the case, the frame number of the last received frame of application module 110 storages or the frame number of request next time, S317-2, and wait for and finishing up to switching.If communication control module 120 not notice all set switches, then application module 110 can be asked grouped data repeatedly, finishes up to switching.
Then, if communication control module 120 had been reported to connect to application module 110 and has been finished when the session connection of network B was finished, S323, then application module 110 uses virtual IP address to transmit to communication control module 120 and comprises the grouping request message of waiting to receive frame number, S325-a by continuous download function, communication control module 120 is converted to IP_B with virtual IP address, S325-b, the next one grouping of the grouping that receives from previous working affair server 200 begins to receive grouping, S325-c.
On the other hand, though do not illustrate in the drawings, if finished the session connection of network B and recovered and the communicating by letter of service server 200 by network B, the then session that discharges network A of communication control module 120.
As mentioned above, in the present invention, though changed access network, application module 110 uses virtual IP addresses, and communication control module 120 is converted to practical IP with virtual IP address, and making it possible to provides packet service to the user.
Fig. 4 is expression provides the operational processes of the application in the method for packet service during according to the switching of embodiment of the present invention between heterogeneous network a flow chart.
As shown in Figure 4, application module 110 of the present invention uses virtual IP address to provide packet data service, S401 by first mobile communications network.
Then, if determined to switch to second mobile communications network, S403, the frame number of application module 110 storage requests next time then, S405, and data are cushioned up to finishing switching, S407.
Afterwards, finish if switch, S409, then do not consider from the newly assigned IP of second mobile communications network address, application module 110 uses the previous virtual IP address that uses to receive data continuously according to the frame number of storing among the step S405, S411, and show the data that receive, so can provide seamless service to the user.
At this moment, communication control module 120 is carried out the operation that virtual IP address is converted to newly assigned IP, makes application module 110 can use virtual IP address.
The invention described above can be applied to provides the mobile communication terminal of packet data service or install and provide based on packet network the application of service in mobile communication terminal by mobile communications network, specifically, though, also can utilize the application that the invention enables in the terminal that seamless service can be provided because the switching between the heterogeneous network causes distributing to the IP address modification of terminal.
Though describe the present invention with reference to the specific example execution mode, the present invention also can't help these execution modes and limits and only limited by claims.Be understandable that those skilled in the art can change or modification these execution modes under the situation that does not depart from scope and spirit of the present invention.
Claims (16)
1. method that packet service is provided when switching between heterogeneous network, the mobile communication terminal of carrying out this method comprises the application module that is used to carry out the application of using packet data network; Be provided with the communication module of a plurality of modulator-demodulators; And be used to carry out the communication control module of the communication interface between mobility and session management and described application module and the described communication module, this method may further comprise the steps:
(a) distribute virtual IP address by described communication control module to described mobile communication terminal;
(b) distribute to the grouped data connection of the virtual IP address request of described terminal by described application module use to described communication control module;
(c) by the first mobile communications network connection modulator-demodulator of described communication control module session is connected to first mobile communications network and is assigned to an IP from described first mobile communications network by described communication module;
(d) if described application module uses described virtual IP address from service-specific server request grouped data, then described communication control module is converted to an IP with described virtual IP address, transmit described request by described first mobile communications network to described service-specific server, and will be sent to described application module from the grouped data that described service-specific server receives;
(e) if determined to switch to second mobile communications network according to the change mobile or wireless environment of described terminal, then described communication control module is connected to described second mobile communications network by second mobile communications network connection modulator-demodulator of described communication module with session, and be assigned to the 2nd IP from described second mobile communications network, the frame number of the frame that described application module storage receives from described service-specific server at last; And
(f) if described application module is downloaded grouped data according to the frame number of being stored, the described virtual IP address request of use continuously from described service-specific server, then described communication control module is converted to described the 2nd IP with described virtual IP address, transmit described request by described second mobile communications network to described service-specific server, the next frame of the frame from last from described service-specific server reception begins receiving block data, and transmits the grouped data that is received to described application module.
2. method according to claim 1, wherein, step (e) may further comprise the steps:
Measure wireless environment and determine switching by described communication control module;
When remaining connected to described first mobile communications network, second mobile communications network that described communication control module drives described communication module connects modulator-demodulator, request is connected to described second mobile communications network, and notifies described application module all set to switch, and
The frame number of the frame that receives from described service-specific server at last by the storage of described application module.
3. method according to claim 2, wherein, (e) is further comprising the steps of for step: if finished the connection of described second mobile communications network, then described communication control module is finished the connection of described second mobile communications network to described application module report.
4. according to each described method in the claim 1 to 3, wherein, in step (d), described communication control module is converted to a described IP in real time with described virtual IP address between described application module and described communication module, making it possible to provides packet data service by the communication module of using a described IP to the application module that uses described virtual IP address.
5. according to each described method in the claim 1 to 3, wherein, in step (f), described communication control module is converted to described the 2nd IP in real time with described virtual IP address between described application module and described communication module, making it possible to provides packet data service by the communication module of using described the 2nd IP to the application module that uses described virtual IP address.
6. method that packet service is provided when switching between heterogeneous network, the mobile communication terminal of carrying out this method comprises the application module that is used to carry out the application of using packet data network; Be provided with the communication module of a plurality of modulator-demodulators; And be used to carry out the communication control module of the communication interface between mobility and session management and described application module and the described communication module, this method may further comprise the steps:
(a) by the first mobile communications network connection modulator-demodulator of described communication control module session is connected to first mobile communications network and is assigned to an IP from described first mobile communications network by described communication module;
(b) if described application module uses a described IP from service-specific server request grouped data, then described communication control module transmits from the grouped data that described service-specific server received to described application module by described first mobile communications network;
(c) if according to described terminal move or switching to second mobile communications network has been determined in the change of wireless environment, then described communication control module is connected to described second mobile communications network by second mobile communications network connection modulator-demodulator of described communication module with session, and be assigned to the 2nd IP from described second mobile communications network, the frame number of the frame that described application module storage receives from described service-specific server at last;
(d) use described IP request to download grouped data continuously by described application module according to the frame number of being stored from described service-specific server, and
(e) a described IP is converted to the 2nd IP that distributes from described second mobile communications network by described communication control module, transmit the request of described continuous download grouped data to described service-specific server by described second mobile communications network, the next frame of the frame from last from the service-specific server reception begins receiving block data, and transmits the grouped data that is received to application module.
7. method according to claim 6, wherein, step (c) may further comprise the steps:
Measure wireless environment and determine switching by described communication control module;
When remaining connected to described first mobile communications network, second mobile communications network that described communication control module drives described communication module connects modulator-demodulator, request is connected to described second mobile communications network, and notifies described application module all set to switch, and
The frame number of the frame that receives from described service-specific server at last by the storage of described application module.
8. method according to claim 7, wherein, (c) is further comprising the steps of for step: if finished the connection of second mobile communications network, then described communication control module reports that to described application module the connection of described second mobile communications network finishes.
9. according to each described method in the claim 6 to 8, wherein, in step (e), described communication control module is converted to described the 2nd IP in real time with a described IP between described application module and described communication module, making it possible to provides packet data service by the communication module of using described the 2nd IP to the application module that uses a described IP.
10. mobile communication terminal that seamless packet service is provided when changing the IP address according to the switching between the heterogeneous network, this terminal comprises:
Application module is used to carry out the application of using packet data network, and use fixing IP and and the IP address modification that causes of the switching between the heterogeneous network packet service irrespectively is provided;
Be provided with a plurality of communication modules that are used to be connected to the modulator-demodulator of mobile communications network, be used to use the practical IP of distributing from mobile communications network from the service server receiving block data; And
Communication control module, be used to carry out the communication interface between mobility and session management and described application module and the described modulator-demodulator, and carry out the employed fixedly IP of described application module and the practical IP of distributing from described mobile communications network between real-time conversion, making it possible to provides packet data service by the communication module of using the practical IP of distributing from described mobile communications network to the application module that uses described fixedly IP.
11. terminal according to claim 10, wherein, if determined switching from described service server receiving block data and when carrying out packet service from first mobile communications network to second mobile communications network by first mobile communications network, then described application module storage is by the frame number of described first mobile communications network from the last received frame of described service server, if and finished switching, would then download grouped data continuously from described service server according to the frame number request of being stored.
12. according to each described terminal in the claim 10 to 11, wherein, described communication control module comprises:
The mobile management module is used for the mobility of office terminal, determines whether to switch according to specific criteria, and the managing conversation connection status;
Session management module is used for carrying out session foundation and discharge under the control of described mobile management module;
Tcp/ip layer is used to handle the agreement that packet data service is provided; And
Device driver is used to control each modulator-demodulator of described communication module, and carry out the employed fixedly IP of described application module and the practical IP of distributing from described mobile communications network between real-time conversion.
13. terminal according to claim 12, wherein, described device driver distributes virtual IP address as the employed fixedly IP of described mobile communication terminal, and carry out described virtual IP address with from the real-time conversion between the practical IP of described mobile communications network distribution.
14. terminal according to claim 12, wherein, described device driver uses the practical IP of distributing from described mobile communications network in the starting stage as described fixedly IP.
15. the mobile communication terminal that seamless packet service is provided when changing the IP address according to the switching between the heterogeneous network, this terminal comprises:
Application module be used to carry out the application of using packet data network, and the virtual IP address that uses described terminal inner to distribute provides packet service;
Dispose a plurality of communication modules that are used to be connected to the modulator-demodulator of mobile communications network, be used to use the practical IP of distributing from mobile communications network from the service server receiving block data; And
Communication control module, be used to carry out the communication interface between mobility and session management and described application module and the described modulator-demodulator, to described terminal distribution virtual IP address, and carry out the employed virtual IP address of described application module and the practical IP of distributing from described mobile communications network between real-time conversion, making it possible to provides packet data service by the communication module of using the practical IP of distributing from described mobile communications network to the application module that uses described virtual IP address.
16. terminal according to claim 15, wherein, described communication control module comprises:
The mobile management module is used to manage the mobility of described terminal, and determine whether to carry out according to specific criteria and switch, and the managing conversation connection status;
Session management module is used for carrying out session foundation and discharge under the control of mobile management module;
Tcp/ip layer is used to handle the agreement that packet data service is provided; And
Device driver is used to control each modulator-demodulator of described communication module, to described terminal distribution virtual IP address, and carry out the employed virtual IP address of described application module and the practical IP of distributing from described mobile communications network between real-time conversion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070124248A KR100893059B1 (en) | 2007-12-03 | 2007-12-03 | Method for providing packet service while hand-over between different kinds networks and mobile communication terminal for the same |
| KR1020070124248 | 2007-12-03 | ||
| KR10-2007-0124248 | 2007-12-03 |
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| Publication Number | Publication Date |
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| CN101453768A CN101453768A (en) | 2009-06-10 |
| CN101453768B true CN101453768B (en) | 2011-07-27 |
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| CN2008101665613A Expired - Fee Related CN101453768B (en) | 2007-12-03 | 2008-10-17 | Method for providing packet service while hand-over between different kinds networks and mobile communication terminal for the same |
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| KR (1) | KR100893059B1 (en) |
| CN (1) | CN101453768B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101225853B1 (en) * | 2011-05-31 | 2013-01-23 | 삼성에스디에스 주식회사 | Apparatus and Method for Controlling IP Address of Data |
| CN102333129B (en) * | 2011-10-31 | 2016-01-13 | 宇龙计算机通信科技(深圳)有限公司 | The data download method of double-mode double-standby mobile terminal and system |
| US9390053B2 (en) * | 2012-04-20 | 2016-07-12 | Sk Telecom Co., Ltd. | Cache device, cache control device, and methods for detecting handover |
| US9265082B2 (en) | 2012-07-26 | 2016-02-16 | Avaya Inc. | Method and apparatus for priority based session delivery to multimodal endpoints |
| US20150004965A1 (en) | 2013-06-30 | 2015-01-01 | Avaya Inc. | System and method for separation of call origination and call delivery techniques |
| KR102169302B1 (en) * | 2014-04-30 | 2020-10-23 | 삼성전자주식회사 | A method, a terminal and a server for providing communication service |
| KR101493936B1 (en) | 2014-05-14 | 2015-02-16 | 주식회사 파이오링크 | Method, device and computer-readable recording medium for selecting network based on openflow |
| WO2017156704A1 (en) * | 2016-03-15 | 2017-09-21 | 华为技术有限公司 | Method for establishing data channel and transmitting data packet, terminal, server, and system |
| CN108377524B (en) * | 2016-10-11 | 2020-12-04 | 大唐移动通信设备有限公司 | Terminal data packet transmission method and device |
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| KR100660701B1 (en) * | 1999-11-12 | 2006-12-21 | 주식회사 케이티 | Apparatus of processing mobility for packet services |
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| KR100754612B1 (en) * | 2006-01-26 | 2007-09-05 | 삼성전자주식회사 | Handover method for minimizing delay time according to reconnecting of packet call between two mobile communication modes and the multi-mode terminal therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101087242A (en) * | 2006-06-09 | 2007-12-12 | 华为技术有限公司 | Device and method for self enumeration of heterogeneous network in dual stack node |
| CN101106821A (en) * | 2007-06-27 | 2008-01-16 | 中国移动通信集团公司 | Switching method and system for mobile terminal and network for supporting advanced attachment |
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| CN101453768A (en) | 2009-06-10 |
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