CN103313439A - Single-card multi-module terminal and communication processing method thereof - Google Patents
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Abstract
The invention provides a single-card multi-module terminal and a communication processing method thereof, and belongs to the field of mobile communication. The single-card multi-module terminal comprises a master processing unit and a slave processing unit, wherein the master processing unit comprises an SIM (Subscriber Identify Module) driving module, an SIM access agent module and an SIM access module; the SIM access agent module is connected with the SIM driving module and the SIM access module, and is used for receiving access request information of the SIM access module from the master processing unit or the slave processing unit, sending the access request information to an SIM card through the SIM driving module and sending access response information to the corresponding SIM access module after the access response information from the SIM card is received. According to the technical scheme of the invention, the service delay of the single-card multi-module terminal can be reduced, incoming calls are prevented from being lost, and the utilization rate of 3G (third Generation) network is improved.
Description
Technical field
The present invention relates to moving communicating field, refer to especially a kind of single deck tape-recorder multimode terminal and communication processing method thereof.
Background technology
Along with 3G(3rd Generation, third generation global mobile communication technology) development of technology, 3G terminal is widely applied, such as WCDMA(Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) terminal, CDMA2000(Code Division Multiple Access 2000, CDMA 2000) terminal and TD-SCDMA(Time Division-Synchronous Code Division Multiple Access, TD SDMA) terminal all is used widely, LTE(Long Term Evolution, Long Term Evolution) terminal is at present also among research and development.Because 2G(2rd Generation, second generation global mobile communication technology) network has passed through long-term construction, so its network coverage is more a lot of than covering of 3G network, and this phenomenon can not change yet in a short time, so in order to make the user can use wireless traffic in any place, terminal must be supported the 2G network.So present most 3G terminal all is the 2G/3G dual-mode terminal, such as WCDMA/GSM dual-mode terminal, TD-SCDMA/GSM dual-mode terminal.
Existing 2G/3G dual-mode terminal has the terminal processing capacity of 2G network schemer and 3G network pattern, this ability comprises protocol stack processing, radio frequency processing, encoding and decoding processing etc., but the 2G/3G dual-mode terminal does not possess the ability that is operated in simultaneously under 2G and the 3G network pattern.Existing 2G/3G dual-mode terminal descends at the signal quality of current network (2G or 3G), and the signal quality of another kind of network (3G or 2G) is when better, can switch to another kind of network from current network, as described in Figure 1, such as switch to the 3G mode of operation from the 2G mode of operation, perhaps switch back the 2G mode of operation from the 3G mode of operation.
But existing 2G/3G dual-mode terminal is when carrying out the network schemer switching, following problem can appear: 1, cause service delay, usually to finish the steps such as Network Synchronization, location area updating, Routing Area Update because switch to another kind of network schemer from a kind of network schemer, if professional the generation arranged this moment just, can cause service delay, affect the user and experience; 2, cause incoming call to lose, need the regular hour because network switches, if send a telegram here in handoff procedure, and this moment, the 2G/3G dual-mode terminal left old network, but did not also finish in new network registration, will cause incoming call to lose; 3, the 3G network utilance is lower, because it is not fine that 3G network covers, for guaranteeing speech service quality, the 2G/3G dual-mode terminal can select to switch to the 2G mode of operation, other business of 2G/3G dual-mode terminal also can occur in the 2G network like this, cause the utilance of 3G network not high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of single deck tape-recorder multimode terminal and communication processing method thereof, can reduce the service delay of single deck tape-recorder multimode terminal, avoids incoming call to lose, and improves the utilance of 3G network.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of single deck tape-recorder multimode terminal, comprise master control processing unit and at least one Slave Processing Unit, described master control processing unit and Slave Processing Unit all are operated under at least a network schemer, and described master control processing unit comprises:
The SIM driver module is connected with the SIM Subscriber Identity Module;
SIM access agent module, be connected with described SIM driver module, be used for receiving the access request message of the SIM access modules that comes from master control processing unit or Slave Processing Unit, described access request message is sent to SIM card by described SIM driver module, and after the access response message that receives from described SIM card, described access response message is sent to corresponding SIM access modules;
The SIM access modules is connected with described SIM access agent module, is used for sending access request message to described SIM access agent module, and receives the access response message that described SIM access agent module is returned;
Described Slave Processing Unit comprises:
The SIM access modules is connected with described SIM access agent module, is used for sending access request message to described SIM access agent module, and receives the access response message that described SIM access agent module is returned.
Further, described SIM access agent module also is used for receiving the command request message that the SIM access modules sends, described command request message is sent to SIM card, receive the command response message that SIM card is returned, and described command response message is returned to corresponding SIM access modules.
Further, described SIM access agent module also is used for receiving the SIM card event request message that carries the SIM card event type that the SIM access modules sends, and when receiving the SIM card event of corresponding described SIM card event type, described SIM event is sent to corresponding SIM access modules.
Further, described SIM access agent module also is used for receiving the network schemer information that a SIM access modules sends, and the network schemer information that receives sent to other SIM access modules, realize described network schemer information sharing between all SIM access modules.
Further, described SIM access agent module specifically is used in order described a plurality of access request message being buffered in the formation when receiving a plurality of access request message, adopts first-in first-out mechanism to sort and processes described a plurality of access request message.
The embodiment of the invention also provides a kind of communication processing method of single deck tape-recorder multimode terminal, described single deck tape-recorder multimode terminal comprises master control processing unit and at least one Slave Processing Unit, described master control processing unit and Slave Processing Unit are operated under at least a network schemer, and described communication processing method comprises:
Described master control processing unit will send to the SIM Subscriber Identity Module from the access request message of self or Slave Processing Unit;
Described master control processing unit receives the access response message that described SIM card is returned, and during from Slave Processing Unit, described access response message is returned to corresponding Slave Processing Unit in described access request message.
Further, described communication processing method also comprises:
Described master control processing unit will send to SIM card from the command request message of self or Slave Processing Unit;
Described master control processing unit receives the command response message that described SIM card is returned, and during from Slave Processing Unit, described command response message is returned to corresponding Slave Processing Unit in described command request message.
Further, described communication processing method also comprises:
Described master control processing unit will send to SIM card from the SIM card event request message that carries the SIM card event type of self or Slave Processing Unit;
Described master control processing unit receives the SIM card event of the corresponding described SIM card event type that described SIM card returns, and during from Slave Processing Unit, described SIM event is returned to corresponding Slave Processing Unit in described SIM card event request message.
Further, described communication processing method also comprises:
Described master control processing unit receives the network schemer information that a Slave Processing Unit sends;
Described master control processing unit sends to the network schemer information that receives other Slave Processing Unit, realizes described network schemer information sharing between master control processing unit and Slave Processing Unit.
Further, described communication processing method also comprises:
Described master control processing unit receives a plurality of access request message;
Described master control processing unit is buffered in described a plurality of access request message in the formation in order, adopts first-in first-out mechanism to sort and processes described a plurality of access request message.
Embodiments of the invention have following beneficial effect:
In the such scheme, the single deck tape-recorder multimode terminal includes master control processing unit and at least one Slave Processing Unit, master control processing unit and Slave Processing Unit all are operated under at least a network schemer, control by the master control processing unit, master control processing unit and at least one Slave Processing Unit can be simultaneously in running order, so that the single deck tape-recorder multimode terminal can be operated under the multiple network pattern simultaneously, can be as far as possible few generation network reselection/switching; Can guarantee voice quality, can not cause incoming call to lose because network switches; And the business of single deck tape-recorder multimode terminal can sub-categoryly be carried on heterogeneous networks, thereby improves the 3G network utilance.
Description of drawings
Fig. 1 is that the 3G/2G dual-mode terminal carries out the schematic diagram that network switches in the prior art;
Fig. 2 is the structural representation of single deck tape-recorder multimode terminal of the present invention;
Fig. 3 is another structural representation of single deck tape-recorder multimode terminal of the present invention.
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The technical problem to be solved in the present invention provides a kind of single deck tape-recorder multimode terminal, can reduce the service delay of single deck tape-recorder multimode terminal, avoids incoming call to lose, and improves the utilance of 3G network.
The embodiment of the invention provides a kind of single deck tape-recorder multimode terminal, and this single deck tape-recorder multimode terminal comprises master control processing unit and at least one Slave Processing Unit, and master control processing unit and Slave Processing Unit all are operated under at least a network schemer, and the master control processing unit comprises:
The SIM driver module is connected with the SIM Subscriber Identity Module;
SIM access agent module, be connected with the SIM driver module, be used for receiving the access request message of the SIM access modules that comes from master control processing unit or Slave Processing Unit, access request message is sent to SIM card by the SIM driver module, and after the access response message that receives from SIM card, access response message is sent to corresponding SIM access modules;
The SIM access modules is connected with SIM access agent module, is used for sending access request message to SIM access agent module, and receives the access response message that SIM access agent module is returned.
Further, Slave Processing Unit comprises:
The SIM access modules is connected with SIM access agent module, is used for sending access request message to SIM access agent module, and receives the access response message that SIM access agent module is returned.
Further, SIM access agent module also is used for receiving the command request message that the SIM access modules sends, and command request message is sent to SIM card, receives the command response message that SIM card is returned, and command response message is returned to corresponding SIM access modules.
Further, SIM access agent module also is used for receiving the SIM card event request message that carries the SIM card event type that the SIM access modules sends, and when receiving the SIM card event of corresponding SIM card event type, the SIM event is sent to corresponding SIM access modules.
Further, SIM access agent module also is used for receiving the network schemer information that a SIM access modules sends, and the network schemer information that receives is sent to other SIM access modules, realizes network schemer information sharing between all SIM access modules.
Further, SIM access agent module specifically is used in order a plurality of access request message being buffered in the formation when receiving a plurality of access request message, adopts first-in first-out mechanism to sort and processes a plurality of access request message.
The embodiment of the invention also provides a kind of communication processing method of above-mentioned single deck tape-recorder multimode terminal, comprising:
The master control processing unit will send to the SIM Subscriber Identity Module from the access request message of self or Slave Processing Unit;
The master control processing unit receives the access response message that SIM card is returned, and during from Slave Processing Unit, access response message is returned to corresponding Slave Processing Unit in access request message.
Further, communication processing method also comprises:
The master control processing unit will send to SIM card from the command request message of self or Slave Processing Unit;
The master control processing unit receives the command response message that SIM card is returned, and during from Slave Processing Unit, command response message is returned to corresponding Slave Processing Unit in command request message.
Further, communication processing method also comprises:
The master control processing unit will send to SIM card from the SIM card event request message that carries the SIM card event type of self or Slave Processing Unit;
The master control processing unit receives the SIM card event of the corresponding SIM card event type that SIM card returns, and during from Slave Processing Unit, the SIM event is returned to corresponding Slave Processing Unit in the SIM card event request message.
Further, communication processing method also comprises:
The master control processing unit receives the network schemer information that a Slave Processing Unit sends;
The master control processing unit sends to the network schemer information that receives other Slave Processing Unit, realizes network schemer information sharing between master control processing unit and Slave Processing Unit.
Further, communication processing method also comprises:
The master control processing unit receives a plurality of access request message;
The master control processing unit is buffered in a plurality of access request message in the formation in order, adopts first-in first-out mechanism to sort and processes a plurality of access request message.
In the embodiment of the invention, the single deck tape-recorder multimode terminal includes master control processing unit and at least one Slave Processing Unit, master control processing unit and Slave Processing Unit all are operated under at least a network schemer, control by the master control processing unit, master control processing unit and at least one Slave Processing Unit can be simultaneously in running order, so that the single deck tape-recorder multimode terminal can be operated under the multiple network pattern simultaneously, can be as far as possible few generation network reselection/switching; Can guarantee voice quality, can not cause incoming call to lose because network switches; And the business of single deck tape-recorder multimode terminal can sub-categoryly be carried on heterogeneous networks, thereby improves the 3G network utilance.
Below in conjunction with specific embodiment single deck tape-recorder multimode terminal of the present invention and communication processing method thereof are introduced further:
Single deck tape-recorder multimode terminal of the present invention includes master control processing unit and at least one Slave Processing Unit, as shown in Figure 2, master control processing unit and Slave Processing Unit be each own independent logic subsystem all, logic subsystem in the master control processing unit is the master control logic subsystem, each logic subsystem is operated under at least a network schemer, under the control of master control processing unit, at least two logic subsystem of single deck tape-recorder multimode terminal are worked simultaneously.
Wherein, logic subsystem in the single deck tape-recorder multimode terminal can include 2G logic subsystem, 3G logic subsystem, LTE logic subsystem, 2G/3G logic subsystem, 3G/LTE logic subsystem: the 2G logic subsystem is operated under the 2G network schemer, disposal ability with 2G network, such as GSM(Global System of Mobile communication, global system for mobile communications) encoding and decoding, protocol stack, radio frequency processing ability, it is responsible for and the 2G network communicates; The 3G logic subsystem is operated under the 3G network pattern, has the disposal ability of 3G network, and such as encoding and decoding, protocol stack, the radio frequency processing ability of WCDMA, TD-SCDMA, it is responsible for and 3G network communicates; The LTE logic subsystem is operated under the LTE network schemer, has the disposal ability of LTE network, such as encoding and decoding, protocol stack, the radio frequency processing ability of LTE, is responsible for communicating with the LTE network; The 2G/3G logic subsystem is operated under 2G and the 3G network pattern; The 3G/LTE logic subsystem is operated under 3G and the LTE network schemer.
The 2G logic subsystem of single deck tape-recorder multimode terminal, 3G logic subsystem, LTE logic subsystem can be worked simultaneously.Particularly, a plurality of logic subsystem of comprising of single deck tape-recorder multimode terminal can be:
1 2G logic subsystem and 1 3G logic subsystem; Or
2 2G logic subsystem; Or
1 2G logic subsystem and 1 2G/3G logic subsystem; Or
1 LTE logic subsystem and 1 3G logic subsystem; Or
1 LTE logic subsystem and 1 2G logic subsystem; Or
1 2G logic subsystem and 1 3G/LTE logic subsystem; Or
1 2G/3G logic subsystem and 1 LTE logic subsystem.
Because in the single deck tape-recorder multimode terminal, a plurality of logic subsystem can be worked simultaneously, therefore the single deck tape-recorder multimode terminal can be under the network service all the time, when a logic subsystem is switched therein, other logic subsystem still keeps operating state, so just can not cause service delay and incoming call to lose.And the single deck tape-recorder multimode terminal can only not be operated under the 2G network, thereby has improved the utilance of 3G network.
Particularly, the single deck tape-recorder multimode terminal can include the first logic subsystem and the second logic subsystem, deployment such as the following table of these two logic subsystem in the single deck tape-recorder Multi-mode dual-standby terminal particularly, wherein, the first logic subsystem and the second logic subsystem can be single-mode systems, also can be dual mode system, single-mode system namely can be operated under a kind of network schemer, and dual mode system namely can be operated under two kinds of network schemers:
In principle, the first logic subsystem is processed CS(Circuit Switching, circuit switching) the territory business, the second logic subsystem is processed PS(Packet Switching, packet switching) the territory business.Alternatively, when low or logic subsystem impotentia is processed (can't process the CS business such as LTE) when terminal battery electricity quantity, also can move on to the second logic subsystem (non-LTE) to CS territory business thus close the first logic subsystem, close the second logic subsystem thereby perhaps PS territory business is moved on to the first logic subsystem.
Further, as shown in Figure 2, the master control processing unit comprises:
The SIM driver module that is connected by physical interface with SIM card;
The SIM access agent module that is connected with SIM card by the SIM card driver module;
The SIM access modules that is connected with SIM access agent module;
Slave Processing Unit comprises:
The SIM access modules that is connected with SIM access agent module;
Wherein, SIM card access agent module is arranged in the master control processing unit, between a plurality of SIM access modules and SIM driver module, can solve many logic subsystem by SIM card access agent module and access simultaneously the conflict that single SIM card causes, the SIM access modules of each logic subsystem is connected with SIM card by the SIM access agent module of master control logic subsystem (being the master control processing unit).
The function of SIM access agent module is as follows:
1, command process mechanism: for the various proactive commands (such as file access) that receive, the response message of order is sent to the logic subsystem of transmission order; The processing of sorting of the mechanism of first-in first-out (FIFO) is adopted in the order that each logic subsystem of buffer memory is sent in formation in order.Alternatively, can priority treatment for the order of master control logic subsystem.
2, reporting events mechanism: the event message for being associated with proactive command then directly sends to the logic subsystem that issues proactive command.
For other SIM card event and state information, as reset, extract, the event message in the insertion, USTA/STK, generally only report a logic subsystem, this logic subsystem can be the master control logic subsystem that physical connection is arranged with SIM card, also can be other logic subsystem;
If other non-master control logic subsystem also will obtain the SIM card event message of certain type, can adopt Hook Mechanism, the event message type that namely need to report to the registration of SIM access agent module first, as reset (RESET), then after receiving this type of message, SIM access agent module can send corresponding event message to the logic subsystem of this type of message of registration.
3, network schemer information sharing mechanism: the master control logic subsystem can be realized the transmission of network schemer information between each logic subsystem, realize sharing of network schemer information, like this can be faster and better completion system switch, concrete have following two embodiment:
(1) when the first logic subsystem be 2G, when the second logic subsystem switches to 2G from 3G, the second logic subsystem can obtain from the first logic subsystem the 2G cell information in current C S territory, be directly used in the selection of PS territory 2G cell with synchronously, and needn't carry out cell measurement, selection, the process such as synchronous, save the time of switching, also saved the power consumption of terminal.
(2) as shown in Figure 3, when the PS business switches to another logic subsystem from a logic subsystem, if the NAS(Network-Attached Storage of two logic subsystem, network attached storage) laminated one, PDP(context then) correlation behavior, the parameter that connect can remain unchanged, the IP address on upper strata remains unchanged, and more the application on upper strata can keep its IP connection not interrupt, and namely customer service is not interrupted.
Further, two different logic subsystem can be deployed in the physics subsystem, and namely this physics subsystem possesses the concurrent processing ability of two logic subsystem.
Single deck tape-recorder multimode terminal of the present invention includes a plurality of logic subsystem, and a plurality of logic subsystem can be worked simultaneously.This single deck tape-recorder multimode terminal provides the access agent module of SIM, accesses simultaneously the conflict that single SIM card causes by its treatment mechanism to solve many logic subsystem; Two logic subsystem can be shared the network information each other, and such as resident system, residential quarter, NAS layer information etc., shared mechanism comprises the network parameter transmission between logic subsystem, and the NAS of logic subsystem is also laminated; Two logic subsystem can be deployed in the physics subsystem, and namely this physics subsystem possesses the concurrent processing ability of two logic subsystem.By can be the as far as possible few generation network reselection of single deck tape-recorder multimode terminal of the present invention/switching; Guarantee voice quality, and can not cause incoming call to lose because network switches; The professional sub-category heterogeneous networks that is carried on of single deck tape-recorder multimode terminal, thus the 3G network utilance improved.
Many functional parts described in this specification all are called as module, in order to emphasize more especially the independence of its implementation.
In the embodiment of the invention, module can realize with software, in order to carried out by various types of processors.For instance, the executable code module of a sign can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module need not to be physically located in together, but can comprise the different instruction on being stored in the coordination not, when combining on these command logics, and its composition module and realize the regulation purpose of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on a plurality of different code segments, be distributed in the middle of the distinct program, and cross over a plurality of memory devices and distribute.Similarly, operating data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described operating data can be used as the individual data collection and is collected, and perhaps can be distributed on the diverse location (to be included on the different storage device), and can only be present on system or the network as electronic signal at least in part.
When module can utilize software to realize, consider the level of existing hardware technique, so can be with the module of software realization, in the situation that do not consider cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, realizations such as field programmable gate array, programmable logic array, programmable logic device.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a single deck tape-recorder multimode terminal is characterized in that, comprises master control processing unit and at least one Slave Processing Unit, and described master control processing unit and Slave Processing Unit all are operated under at least a network schemer, and described master control processing unit comprises:
The SIM driver module is connected with the SIM Subscriber Identity Module;
SIM access agent module, be connected with described SIM driver module, be used for receiving the access request message of the SIM access modules that comes from master control processing unit or Slave Processing Unit, described access request message is sent to SIM card by described SIM driver module, and after the access response message that receives from described SIM card, described access response message is sent to corresponding SIM access modules;
The SIM access modules is connected with described SIM access agent module, is used for sending access request message to described SIM access agent module, and receives the access response message that described SIM access agent module is returned;
Described Slave Processing Unit comprises:
The SIM access modules is connected with described SIM access agent module, is used for sending access request message to described SIM access agent module, and receives the access response message that described SIM access agent module is returned.
2. single deck tape-recorder multimode terminal according to claim 1 is characterized in that,
Described SIM access agent module also is used for receiving the command request message that the SIM access modules sends, described command request message is sent to SIM card, receive the command response message that SIM card is returned, and described command response message is returned to corresponding SIM access modules.
3. single deck tape-recorder multimode terminal according to claim 1 is characterized in that,
Described SIM access agent module also is used for receiving the SIM card event request message that carries the SIM card event type that the SIM access modules sends, and when receiving the SIM card event of corresponding described SIM card event type, described SIM event is sent to corresponding SIM access modules.
4. single deck tape-recorder multimode terminal according to claim 1 is characterized in that,
Described SIM access agent module also is used for receiving the network schemer information that a SIM access modules sends, and the network schemer information that receives is sent to other SIM access modules, realizes described network schemer information sharing between all SIM access modules.
5. single deck tape-recorder multimode terminal according to claim 1 is characterized in that,
Described SIM access agent module specifically is used in order described a plurality of access request message being buffered in the formation when receiving a plurality of access request message, adopts first-in first-out mechanism to sort and processes described a plurality of access request message.
6. the communication processing method of a single deck tape-recorder multimode terminal, it is characterized in that, described single deck tape-recorder multimode terminal comprises master control processing unit and at least one Slave Processing Unit, and described master control processing unit and Slave Processing Unit are operated under at least a network schemer, and described communication processing method comprises:
Described master control processing unit will send to the SIM Subscriber Identity Module from the access request message of self or Slave Processing Unit;
Described master control processing unit receives the access response message that described SIM card is returned, and during from Slave Processing Unit, described access response message is returned to corresponding Slave Processing Unit in described access request message.
7. the communication processing method of single deck tape-recorder multimode terminal according to claim 6 is characterized in that, described communication processing method also comprises:
Described master control processing unit will send to SIM card from the command request message of self or Slave Processing Unit;
Described master control processing unit receives the command response message that described SIM card is returned, and during from Slave Processing Unit, described command response message is returned to corresponding Slave Processing Unit in described command request message.
8. the communication processing method of single deck tape-recorder multimode terminal according to claim 6 is characterized in that, described communication processing method also comprises:
Described master control processing unit will send to SIM card from the SIM card event request message that carries the SIM card event type of self or Slave Processing Unit;
Described master control processing unit receives the SIM card event of the corresponding described SIM card event type that described SIM card returns, and during from Slave Processing Unit, described SIM event is returned to corresponding Slave Processing Unit in described SIM card event request message.
9. the communication processing method of single deck tape-recorder multimode terminal according to claim 6 is characterized in that, described communication processing method also comprises:
Described master control processing unit receives the network schemer information that a Slave Processing Unit sends;
Described master control processing unit sends to the network schemer information that receives other Slave Processing Unit, realizes described network schemer information sharing between master control processing unit and Slave Processing Unit.
10. the communication processing method of single deck tape-recorder multimode terminal according to claim 6 is characterized in that, described communication processing method also comprises:
Described master control processing unit receives a plurality of access request message;
Described master control processing unit is buffered in described a plurality of access request message in the formation in order, adopts first-in first-out mechanism to sort and processes described a plurality of access request message.
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| CN102083177A (en) * | 2011-01-12 | 2011-06-01 | 意法·爱立信半导体（北京）有限公司 | Communication implementation method and terminal |
| CN102368878A (en) * | 2011-09-19 | 2012-03-07 | 中兴通讯股份有限公司 | Multimode terminal as well as SIM (subscriber identity module) card information transmission system and method |
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| CN103841617A (en) * | 2014-02-28 | 2014-06-04 | 宇龙计算机通信科技(深圳)有限公司 | Communication network switching method and communication network switching device |
| CN103841617B (en) * | 2014-02-28 | 2015-09-30 | 宇龙计算机通信科技(深圳)有限公司 | Communication network changing method and communication network switching device shifter |
| CN109510766A (en) * | 2018-12-13 | 2019-03-22 | 深圳市鼎泰富科技有限公司 | Dynamic routing method and system under a kind of intelligent terminal multiple-network connection environment |
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