CN101175325B - Terminal switching method and device under multi-network mode - Google Patents
Terminal switching method and device under multi-network mode Download PDFInfo
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- CN101175325B CN101175325B CN200710163343XA CN200710163343A CN101175325B CN 101175325 B CN101175325 B CN 101175325B CN 200710163343X A CN200710163343X A CN 200710163343XA CN 200710163343 A CN200710163343 A CN 200710163343A CN 101175325 B CN101175325 B CN 101175325B
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Abstract
The present invention discloses the terminal switching method under multi-network modes. The steps of the method are: a cache region is arranged in the data cache module of the terminal; a mark used for recording a node sign is arranged in a terminal management/ control module. The signaling processing module of the terminal is communicated with the network to stop the data transmission between the processing module and a server. The terminal management/ control module caches the data related to the data transmission in the cache region, records the node sign through the mark and registers the terminal to another network, the present invention also discloses the terminal switching device under the multi-network modes, which comprises the data processing module, the signaling processing module, the data buffer module and the terminal management/control module. With the present invention, signaling processing methods, such as being provided with the cache region, related hang-up and restoring etc., are applied; the non-loss in the data transmission is ensured, in particular to the management of the cache region; and the integrity of the data is ensured.
Description
Technical field
The present invention relates to WiMAX network and the interconnecting of other networks of many nets under merging, relate to WiMAX data card Terminal Type particularly and when switching, keep data service not interrupt or the method and the device of data-bag lost with other networks.
Background technology
Deployment along with the communication technology and new business.The interaction of market and technology, some new characteristics of future communications field display gradually.Broadband mobile and mobile broadbandization become the trend of two art development gradually, and complement one another, promote mutually.Aspect the mobile of broadband, IEEE 802 working groups have successively formulated technical specifications such as WLAN and WiMAX, intention can progressively realize the broadband mobile along fixing, nomadic/portable, mobile such evolution path, wherein IEEE 802.16WiMAX is the important milestone that move in the broadband, has promoted the evolution and the development of mobile broadband.Concrete network evolution can divide three phases:
Phase I: the fixing access, the associating networking is to replenishing of high-speed data;
This stage WiMAX and Wi-Fi do not provide user at a high speed to move support, so cover in order to reach the whole network, need associating 3G cellular system, be subjected to overhead and complexity constraints and can't realize the enhancing of covering of high-speed wideband IP data and roaming aspect as the 3G system.
From above analysis as can be known, this stage will be Wi-Fi, WiMAX and 3G network coexistence phase.The high-speed mobile data that Wi-Fi is positioned in the hot zones insert, WiMAX is connected in series different hot zones, the high-speed data of realizing wider scope inserts, mainly solve the communication requirement of " last kilometer ", and 3G network is positioned mobile subscriber's voice communication and the logical radio communication of the low speed data in the network-wide basis.Because Wi-Fi and WiMAX have just defined the physical layer and the MAC layer of wireless air interface, at this moment need to adopt the loose coupling pattern to carry out the network integration with 3G network, make user's authentication, encryption and charging be undertaken by 3G network.WiMAX RNC (Radio Network Controller, radio network controller) also can directly utilize the network management entity of present wired network to finish corresponding authentication, charging and webmaster etc.
The network characterization in this stage is by WiMAX the access point of Wi-Fi to be combined with backbone network by wireless mode directly to link to each other, thereby make the Wi-Fi arrangement of base stations become convenient and motor-driven especially, also solved simultaneously the indoor and difficult problem of hot zones covering of 3G network, owing to can all in 3G network, carry out user's authentication, encryption and charging, thereby broken the boundary between wireless and the wire user, and the user is as long as use unique number of the account just can carry out seamless communication.Because the function of WiMAX base station is the communication between the fixing Wi-Fi access point of management, and mainly is the LOS transmission between AP (access point) point, so can not adopt senior technology such as OFDM this moment, carrier frequency adopts the WMAN-SC agreement at 10～66GHz.
Second stage: fixing, Portable and low speed move access, the associating networking, and small-sized separate network independently is set up in some areas, the real-time and non-real-time data business of support;
In this stage, WiMAX has increased the portable of mobile device and mobility at a slow speed, but the terminal use does not have the function of switching between different WiMAX base station.The WiMAX terminal can also be carried out VoIP (networking telephone) voice communication except carrying out the high speed data transfer function, at this moment calls mobile subscriber terminal (MSS) having portable and ambulant WiMAX user terminal.In order to reach TOCOM total communication, terminal has the Wi-Fi/WiMAX/3G multi-mode function, and the fusion problem between the Wi-Fi/WiMAX/3G heterogeneous networks is complicated more at this moment, and in order not change original configuration between the heterogeneous networks, the loose coupling pattern is adopted in suggestion.
In order to support user's mobility, need to adopt IEEE 802.16e agreement, for the MSS of WiMAX, this moment WiMAX the similar access point of BS (base station) (AP), the function class of its carrying is like the base station in the 3G system.MSS and AP entity all need to increase upper-layer protocol, so that carry out RRM, mobile management and communication event task management etc., with respect to the U and the A interface of stationary nodes, are respectively MU and MA after the improvement.
IP core network identical with the phase I, this stage is mainly used 3G by the mode of loose coupling carries out network managements such as addressing, authentication, authorization of service, encryption and charging for IEEE 802.16SS/MSS, to reduce the cost of investment of core net.At this moment need in the 3G packet core network, define an interface specially, be used for communicating by letter with WiMAX RNC.In order to support the portable and low mobility of MSS, need to adopt WMAN_OFDM (wireless MAN--OFDM) and WMAN_OFDMA (wireless MAN--OFDM access) physical layer to overcome NLOS (Non-Line-of-Sight, non line of sight) influence, this moment, working frequency range needed at 2～11GHz, and SS adopts MAN_SC in 1O～66GHz frequency range, perhaps adopts WMAN_SCa to communicate in 2～11GHz frequency range.
Phase III: fixing, Portable, low speed, insert at a high speed, independent networking, the all-IP structure is supported VoIP speech business and various data service, and QoS (service quality) is guaranteed fully, independently perfects and network management system such as charging.
Along with the progressively expansion of WiMAX network, IEEE 802.16e standard is constantly improved and to ambulant good support, can be adopted the networking mode of WiMAX the whole network covering.Than the second stage networking mode.The equipment of the core network of WiMAX need additionally provide support.
Following will support in 2～6GHz frequency range mainly that the whole network of WiMAX portable terminal covers, be responsible for on-line file control by the RNC among the WiMAX, and the reprinting entity of communicating by letter with core net as wireless network.Base station and the information interaction between the RNC at WiMAX can adopt MPLS (Multiprotocol Label Switch, multiprotocol label switching) or the IP-in-IP tunnel protocol of Differentiated Services QoS, information interaction between communication between the different RNCs or RNC and core net then adopts fast tag switching path (LSP) exchange agreement, and WiMAX and other existing networks interconnect.
At the WiMAX network when other networks switch, especially the WiMAX network switches in high amount of traffic, when big flow switches to the network of low discharge, when being transformed into the modulation system of 16QAM of WCDMA as: the modulation system of the 64QAM of WiMAX network support, the variation of modulation system, changed the variation of data flow, the unavoidable like this data interruption that occurs, the phenomenon of data-bag lost.
Distribute from existing network, many net fusions are absolutely necessary.Just there is switching problem, the especially data flow distribution difference under heterogeneous networks between the network of a different systems in this, must be through modulation again.At present, guarantee that data unbroken method when transmission all is at network side conventional network equipment to be made amendment, increase correlation module.
Summary of the invention
Make the present invention according to the problems referred to above, therefore the object of the present invention is to provide terminal switching method and device under a kind of multi-network mode.
Terminal switching method according under the multi-network mode of the present invention may further comprise the steps: the sign that buffer area is set in the data cache module of terminal and is provided for writing down node label in terminal management/control module; The signaling processing module of terminal and network communicate stopping the transfer of data between data processing module and the server, and the metadata cache that terminal management/control module will be relevant with transfer of data and utilizes the identification record node label in buffer area; And endpoint registration is to another network, and signaling processing module communicates with resume data transmission by another network and server, and data processing module and server by utilizing node label are carried out data forward.
In the method, the transfer of data that the signaling processing module of terminal and network communicate to stop between data processing module and the server comprises: signaling processing module sends to network and hangs up signaling, and network sends the hang-up signaling to server; And server stops the transfer of data with data processing module, and acknowledge message is returned to signaling processing module by network.
In addition, in the method, signaling processing module communicates with resume data transmission by another network and server and comprises: signaling processing module sends to network and recovers signaling, and network sends the recovery signaling to server; And server stops the transfer of data with data processing module, and acknowledge message is returned to signaling processing module by network.
In addition, in the method, also comprise: data processing module will continue the resulting metadata cache of biography in buffer area by terminal management/control module.
In addition, in the method, before data processing module and server carried out transfer of data or data forward, also comprise: whether the data processing module inspection was complete from the packet in server or the buffer area; And if packet is complete, then data processing module carries out transfer of data, otherwise the data processing module packet discard, and request server retransmission data packet may or regain packet by terminal management/control module from buffer area.
In addition, in the method, endpoint registration comprises to another network: terminal management/control module readjusts the data transfer mode corresponding to another network, with another Network Synchronization; And signaling processing module and another network are set up new data transmission channel.
In addition, in the method, network and another network are any one among WiMAX, 3G, CDMA1X/CDMA EV_DO or the GPRS/EDGE.Wherein, be designated the data mode flag bit.
In addition, in the method, data processing module, signaling processing module and terminal management/control module are arranged in terminal equipment, and data cache module is arranged in data card terminal.
Terminal switching device shifter according under the multi-network mode of the present invention comprises: data processing module, and the node label and the server that are used for record when carrying out transfer of data or utilizing transfer of data to stop by a plurality of networks and server continue biography; Signaling processing module is used for carrying out signaling with a plurality of networks and communicates by letter; Data cache module has buffer area, is used for arriving data processing module by the data of the data cached processing module acquisition of terminal management/control module and with transfer of data; And terminal management/control module, control data processing module and server and data cache module are carried out transfer of data, and the control signaling processing module carries out signaling with server and communicates by letter.
In addition, in this device, in the signaling communication used signaling comprise be used for when network switches announcement server stop hang-up signaling, the hand off signaling that is used to switch of transfer of data and be used to switch finish after the recovery signaling of announcement server resume data transmission.
In addition, in this device, data processing module, signaling processing module and terminal management/control module are arranged in terminal equipment, and data cache module is arranged in data card terminal.
By above-mentioned aspect of the present invention, the present invention changes on terminal on a small quantity, increases several relevant signaling process in the signaling process flow process of software and can solve relevant issues.Realize that change is little, it is big to take effect, and solves the transfer of data disruption; Relevant signaling format can get final product referring to the relevant signaling format of GSM/GPRS, here just relevant handling process is changed, promptly applicable to the switching of WiMAX with other network formats.
The present invention can not increase network equipment burden, has only terminal to carry out data between transfer period and preserves, and does not need network side to carry out data and preserves and data re-transmission.The present invention is especially favourable to the data terminal equipment directly related with computer such as data card.Reduce the node link of data in the network, improved the delay of transfer of data, accelerated the adaptive speed of heterogeneous networks and the adjustment of data transfer mode.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to the terminal switching method under the multi-network mode of the embodiment of the invention;
Fig. 2 shows the structural representation according to the terminal switching device shifter under the multi-network mode of the embodiment of the invention;
Fig. 3 shows the network structure according to the embodiment of the invention;
Fig. 4 shows the terminal structure figure according to the embodiment of the invention; And
Fig. 5 shows the signaling process flow chart according to the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Present embodiment adopts the pattern of separation between machine and card to describe, but is equally applicable to later machine card integrated scheme, no matter adopts which kind of terminal pattern all not influence enforcement of the present invention.
Because the WiMAX terminal does not have the notion of similar usim card at present, therefore, terminal adopts the mode of dual-mode dual-standby, be that WiMAX part of module in the terminal adopts the WiMAX Design Mode to handle, the part of other standards such as WCDMA adopts the pattern of USIM, SIM or UIM card to handle in terminal.
Equally, along with the development of later terminal, the WiMAX terminal can become machine card integrated terminal, and this programme can adapt to machine card integrated terminal equally.
Fig. 1 shows the flow chart according to the terminal switching method under the multi-network mode of the embodiment of the invention.
As shown in Figure 1, may further comprise the steps: step S102, the sign that buffer area is set in the data cache module of terminal and in terminal management/control module, is provided for writing down node label; Step S104, the signaling processing module of terminal and network communicate to stop the transfer of data between data processing module and the server, terminal management/control module will be relevant with transfer of data metadata cache in buffer area, and utilize the identification record node label; And step S106, endpoint registration is to another network, and signaling processing module communicates with resume data transmission by another network and server, and data processing module and server by utilizing node label are carried out data forward.
In the method, the transfer of data that the signaling processing module of terminal and network communicate to stop between data processing module and the server comprises: signaling processing module sends to network and hangs up signaling, and network sends the hang-up signaling to server; And server stops the transfer of data with data processing module, and acknowledge message is returned to signaling processing module by network.
In addition, in the method, signaling processing module communicates with resume data transmission by another network and server and comprises: signaling processing module sends to network and recovers signaling, and network sends the recovery signaling to server; And server stops the transfer of data with data processing module, and acknowledge message is returned to signaling processing module by network.
In addition, in the method, also comprise: data processing module will continue the resulting metadata cache of biography in buffer area by terminal management/control module.
In addition, in the method, before data processing module and server carried out transfer of data or data forward, also comprise: whether the data processing module inspection was complete from the packet in server or the buffer area; And if packet is complete, then data processing module carries out transfer of data, otherwise the data processing module packet discard, and from buffer area, regain packet by data re-transmission mechanism request server retransmission data packet may or by terminal management/control module.
In addition, in the method, endpoint registration comprises to another network: terminal management/control module readjusts the data transfer mode corresponding to another network, with another Network Synchronization; And signaling processing module and another network are set up new data transmission channel.
In addition, in the method, network and another network are any one among WiMAX, 3G, CDMA1X/CDMA EV_DO or the GPRS/EDGE.Wherein, be designated the data mode flag bit.
In addition, in the method, data processing module, signaling processing module and terminal management/control module are arranged in terminal equipment, and data cache module is arranged in data card terminal.
Fig. 2 shows the structural representation according to the terminal switching device shifter under the multi-network mode of the embodiment of the invention.
As shown in Figure 2, comprising: data processing module 202, the node label and the server that are used for record when carrying out transfer of data or utilizing transfer of data to stop by a plurality of networks and server continue biography; Signaling processing module 204 is used for carrying out signaling with a plurality of networks and communicates by letter; Data cache module 206 has buffer area, is used for arriving data processing module by the data of the data cached processing module acquisition of terminal management/control module and with transfer of data; And terminal management/control module 208, control data processing module and server and data cache module are carried out transfer of data, and the control signaling processing module carries out signaling with server and communicates by letter.
In addition, in this device, in the signaling communication used signaling comprise be used for when network switches announcement server stop hang-up signaling, the hand off signaling that is used to switch of transfer of data and be used to switch finish after the recovery signaling of announcement server resume data transmission.
In addition, in this device, data processing module, signaling processing module and terminal management/control module are arranged in terminal equipment, and data cache module is arranged in data card terminal.
Fig. 3 shows the network structure according to the embodiment of the invention.
As shown in Figure 3, Wi-Fi, WiMAX and 3G network coexistence, the high-speed mobile data that Wi-Fi is positioned hot zones insert; WiMAX is connected in series different hot zones, realizes that high-speed data inserts widely; And 3G network is positioned mobile subscriber's voice communication and the low speed data radio communication in the network-wide basis.Because WiMAX has just defined the physical layer and MAC (medium access control) layer of wireless air interface, this needs and 3G network adopts loose pattern to carry out the network integration, the functions such as data, services of shared again INTERNET network.
Do not define special radio network controller (hereinafter to be referred as RNC) in the WiMAX system, in order to link to each other with Internet or other networks, WiMAX has defined IAD (AG) specially, and its function equivalence is in WiMAX RNC.
Fig. 4 shows the terminal structure figure according to the embodiment of the invention.
As shown in Figure 4, a kind of terminal installation that possesses the automatic switchover of many nets pattern comprises with lower module.
Data processing module, this module mainly are to set up the passage of data communication, and mainly data being communicated by letter with administration module by terminal control manages.
Signaling processing module, this module mainly be handle with network between relevant signaling, mainly be hand off signaling, data are hung up signaling, data are recovered signaling etc.When terminal was about to switch, terminal was initiated hand off signaling, requires network to switch.And hang up signaling by data simultaneously, the informing network data temporarily stop to send or receiving.The network announcement server stops to send or receiving related data afterwards.Data are recovered the new network requirement of signaling to be provided data service and obtains the network approval; After data recovery signaling was sent by terminal, new network and server connected, the continuous data that pass.
Terminal management/control module, this module mainly are managing signaling module and data reception module, guarantee that terminal can correctly be handled relevant signaling and to data transmission/reception control.
Data cache module, if the data card series products, this module is on notebook computer, therefore, the size of this cache module is proposed by notebook computer, and is managed by notebook computer.
Each correlation of forming between the module is as follows:
Signalling module is by wireless standard interface and network service; Carry out alternately with AT command mode and management/control module simultaneously; Data processing module is by wireless standard interface and network service; Adopt simultaneously the Flow Control mode with storage in cache module.Management/control module is to control in the application layer of terminal, it is by AT order and signalling module, data processing module, data cache module communicates. and the hardware interface of terminal can adopt mode such as pcmcia interface, Express interface, USB interface and notebook to carry out communication, and perhaps the synthetic mode of later stage hardware and notebook communicates.
This terminal is undertaken alternately by signaling processing module and data processing module and network, signalling module communicates by signaling process mode and network side, the terminal inner signalling module passes to terminal management and control module by the mode of AT order with information, terminal management/control module orders the Data Receiving or the transmission of control data processing module by AT, and the foundation of the channel of bottom sets up with network by wave point, changes data-modulated mode etc.Simultaneously, terminal management/control module is equally by setting up the buffering area of Data Receiving on the AT command request notebook, and after foundation was finished, data processing module can be preserved the transfer of data that receives in data buffer area.
Fig. 5 shows the signaling process flow chart according to the embodiment of the invention.
As shown in Figure 5, a kind of method that realizes that many nets mode terminal automaticallyes switch is opened up buffer area (buffering area of data card/MODEM (modulator-demodulator) is on notebook computer) and the data mode flag bit is provided in end side; When terminal began to switch, terminal was given network side status report (related data hang-up signaling), required network temporarily to stop to receive or sending packet.The data that end side then will not send or not finish receiving temporarily are placed in the data buffer zone, the node label when terminal receives or sends by the flag bit record data simultaneously; After terminal switched to another network, network was adjusted receive mode simultaneously with terminal, after the endpoint registration success, in time notified the former server of new network requirement to begin to continue the transmission data, simultaneously the node label of data interruption was issued server, required continuous the biography.
The specific implementation step comprises:
1.WiMAX switching with 3G network
The WiMAX terminal is measured by signaling, after the comparison of radio frequency and other parameters, explicitly calls for and will initiate the WiMAX network to the switching between other networks such as 3G in each.
2. data are hung up request
Terminal proposes data to network and hangs up request, explicitly calls for network temporarily to stop the transmission of data, but will keep data transmission state, rather than require network to discharge data link.Thoroughly discharge the transmission of terminal data.This message is that terminal is dealt into BSS or BS.
3. data are hung up request
This message on hold is transparent to other core network such as 3G by BSS/BS.
4. data are hung up request
Other core net such as 3G are hung up core network or the access network that the message of asking passes to WiMAX with data.
5. server suspends the request of transmission
The WiMAX core network sends message, requires data server temporarily to stop the transmission or the reception of data.
6. the server data request message is confirmed
After server is received " server suspends the requests that send data " that the WiMAX network sends, the server process related procedure, suspend data and send, send " affirmation of server data request message " for simultaneously the WiMAX network, illustrate that server has stopped the transmission or the reception of data.
7. data are hung up response
The WiMAX network is transparent to the 3G core network with this message, clear and definite message authentication.
8. data are hung up response
The 3G core network sends to the BSS/BS at WiMAX terminal place with " data are hung up response " message.
9. data recovery request
Re-register the network of new net when the WiMAX terminal after, send " data recovery request " message, clearly will set up data service with new network (3G network) by new network.
10. data are recovered response
3G network sends response message, recovers to get in touch with the WiMAX terminal data service.
11. release related resource
The resource relationship of WiMAX network release at this moment and WiMAX terminal.
12. data are recovered
The WiMAX terminal sends " data recovery " relevant signaling under new network, be based upon the data re-transmission under the new network.
13. data are recovered
3G network recovers signaling with data and issues server; After server received data recovery signaling, transfer of data was carried out in the foundation of restore data passage again.
Have buffer area and relevant the hang-up because the present invention has taked to open up, the signaling process mode of recovery etc. has guaranteed not losing in the transfer of data. especially to the management of buffer area, guaranteed the integrality of data.
The present invention is adapted at the switching of WiMAX and the switching of WCDMA/HSDPA/HSUPA network or WiMAX and GSM network equally.
In sum, can not increase network equipment burden, have only terminal to carry out data between transfer period and preserve, not need network side to carry out data and preserve and data re-transmission by the present invention.The present invention is especially favourable to the data terminal equipment directly related with computer such as data card.Reduce the node link of data in the network, improved the delay of transfer of data, accelerated the adaptive speed of heterogeneous networks and the adjustment of data transfer mode.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the terminal switching method under the multi-network mode is characterized in that, may further comprise the steps:
The sign that buffer area is set in the data cache module of terminal and in terminal management/control module, is provided for writing down node label;
The signaling processing module of described terminal and network communicate to stop the transfer of data between data processing module and the server, described terminal management/control module will be relevant with described transfer of data metadata cache in described buffer area, and utilize described identification record node label; And
Described endpoint registration is to another network, and described signaling processing module communicates recovering described transfer of data by described another network and described server, and described data processing module and the described node label of described server by utilizing are carried out data forward.
2. the terminal switching method under the multi-network mode according to claim 1 is characterized in that, the transfer of data that the signaling processing module of described terminal and described network communicate to stop between data processing module and the server comprises:
Described signaling processing module sends to described network and hangs up signaling, and described network sends the hang-up signaling to described server; And
Described server stops the transfer of data with described data processing module, and acknowledge message is returned to described signaling processing module by described network.
3. the terminal switching method under the multi-network mode according to claim 2 is characterized in that, described signaling processing module communicates to recover described transfer of data by described another network and described server and comprises:
Described signaling processing module sends to described another network and recovers signaling, and described another network sends the recovery signaling to described server; And
Described server stops the transfer of data with described data processing module, and acknowledge message is returned to described signaling processing module by described another network.
4. the terminal switching method in requiring according to aforesaid right under each described multi-network mode is characterized in that, also comprises: described data processing module will continue the resulting metadata cache of biography in described buffer area by described terminal management/control module.
5. the terminal switching method under the multi-network mode according to claim 4 is characterized in that, before described data processing module and described server carry out transfer of data or data forward, also comprises:
Whether described data processing module inspection is complete from the packet in described server or the described buffer area; And
If described packet is complete, then described data processing module carries out transfer of data, otherwise described data processing module abandons described packet, and asks described server to retransmit described packet or regain described packet by described terminal management/control module from described buffer area.
6. the terminal switching method under the multi-network mode according to claim 5 is characterized in that, described endpoint registration comprises to another network:
Described terminal management/control module readjusts the data transfer mode corresponding to described another network, with described another Network Synchronization; And
Described signaling processing module and described another network are set up new data transmission channel.
7. the terminal switching method under the multi-network mode according to claim 6 is characterized in that, described network and described another network are any one among WiMAX, 3G, CDMA1X/CDMA EV_DO or the GPRS/EDGE.
8. the terminal switching method under the multi-network mode according to claim 6 is characterized in that, the described data mode flag bit that is designated.
9. the terminal switching method under the multi-network mode according to claim 6, it is characterized in that, described data processing module, described signaling processing module and described terminal management/control module are arranged in terminal equipment, and described data cache module is arranged in data card terminal.
10. the terminal switching device shifter under the multi-network mode is characterized in that, comprising:
Data processing module, the node label and the described server that are used for record when carrying out transfer of data or utilizing transfer of data to stop by a plurality of networks and server continue biography;
Signaling processing module is used for carrying out signaling with described a plurality of networks and communicates by letter;
Data cache module has buffer area, is used for arriving described data processing module by the data of the described data processing module acquisition of terminal management/control module buffer memory and with transfer of data; And
Terminal management/control module is controlled described data processing module and described server and described data cache module and is carried out transfer of data, and controls described signaling processing module and carry out signaling with described server and communicate by letter.
11. the terminal switching device shifter under the multi-network mode according to claim 10, it is characterized in that used signaling comprises and is used for hang-up signaling, the hand off signaling that is used to switch of notifying described server to stop transfer of data and is used to switch the recovery signaling of notifying described server resume data transmission after finishing when network switches in the described signaling communication.
12. according to the terminal switching device shifter under claim 10 or the 11 described multi-network modes, it is characterized in that, described data processing module, described signaling processing module and described terminal management/control module are arranged in terminal equipment, and described data cache module is arranged in data card terminal.
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| CN101605405A (en) * | 2009-07-10 | 2009-12-16 | 中兴通讯股份有限公司 | A kind of multi-mode USB wireless communication transmission device |
| CN102026339B (en) * | 2009-09-21 | 2013-11-06 | 华为技术有限公司 | Improved dual-mode terminal pilot frequency management method and device |
| CN102761825B (en) * | 2011-04-25 | 2017-11-07 | 中兴通讯股份有限公司 | Information notice method and base station, business obtaining method, system and UE |
| CN103404049B (en) * | 2011-06-03 | 2017-09-19 | Sk电信有限公司 | Data transport service method and apply the device of this method simultaneously |
| KR101307826B1 (en) * | 2011-11-28 | 2013-09-12 | 에스케이텔레콤 주식회사 | Apparatus for service transmitting data in heterogeneous network |
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