CN101222715A - Double-card double-standby mobile phone implemented by single communication device - Google Patents
Double-card double-standby mobile phone implemented by single communication device Download PDFInfo
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- CN101222715A CN101222715A CNA2008100332285A CN200810033228A CN101222715A CN 101222715 A CN101222715 A CN 101222715A CN A2008100332285 A CNA2008100332285 A CN A2008100332285A CN 200810033228 A CN200810033228 A CN 200810033228A CN 101222715 A CN101222715 A CN 101222715A
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Abstract
The invention discloses a dual card dual standby mobile phone realized by a single set of communication devices. The dual card dual standby mobile phone realized by a single set of communication devices comprises a radiofrequency module, a baseband chip, peripherals and two SIM snap grooves; the baseband chip is provided with an SIM interface time-division multiplexing module, a baseband time-division multiplexing module, an SIM1 communication protocol processing module and an SIM2 communication protocol processing module; the baseband chip is connected with an electronic switch synchronously connected with the two SIM snap grooves through an SIM interface, and controls the electronic switch through a chip selection module, thereby realizing dual cards and dual standby on a set of mobile phone hardwares, reducing the volume of the dual card mobile phone, decreasing the cost, and having convenient and quick use.
Description
Technical field
The present invention relates to moving communicating field, especially a kind of double card double standby mobile phone of realizing by single-chip.
Background technology
Under the common driving of technology, market and wireless mobile applied business, the wireless mobile communications industry development is rapid, and mobile communication product has become the necessary article of people's routine work, life.Along with mobile communication is increasing to the influence of people's life, the phenomenon of two mobile phones of an individual demand is more and more.For example some need the crowd of frequent two places work, for avoiding expensive roaming in other places expense, can respectively have the SIM card on anticipatory remark ground usually in two places, use different SIM card in different cities.But frequent replacing SIM card or to carry two mobile phones all be the thing that bothers very much, the double card double standby mobile phone of a machine even numbers arises at the historic moment.
U. S. application number has disclosed a kind of mobile phone of supporting jack per station respectively for the patent of invention of US20060234693 has proposed the patent application of Multi-Subscriber Number, has 2 sim card slots, and shared DSP and application processor connect 2 RF modules by a commutation circuit.This mobile phone also is in the stage of supporting two numbers respectively, can not satisfy the requirement of the two standbies of even numbers.
Existing double card double standby mobile phone all is to adopt two cover chips usually, for example the technical scheme that proposes of a kind of double-card mobile phone that can use two mobile phone cards to be in holding state simultaneously of proposing for the application for a patent for invention of CN200610157647.0 of Chinese patent application number is pointed out: this double card double standby mobile phone comprises main frame and slave, the master machine antenna that this main frame has the main frame draw-in groove and connects in turn, main frame radio-frequency module and main frame baseband processing module, this slave has the slave draw-in groove, this slave also has the slave antenna that connects in turn, slave radio-frequency module and slave baseband processing module, this main frame baseband processing module and slave baseband processing module communicate by communication module.As seen main frame and slave use the baseband processor of oneself to finish the work separately alone, see accompanying drawing 1.The mobile phone of this double-card dual-standby all is to be made of two cover hardware, be equivalent to two mobile phones are done together, i.e. two cover communication devices, but share cover LCD, a keyboard, loudspeaker, battery, thus cost than higher, power consumption is higher simultaneously.
The present invention adopts a cover communication device can realize the double-card dual-standby function, reduces cost, and reduces volume, reduces power consumption.
Summary of the invention
Technical problem to be solved by this invention is: a kind of mobile phone that adopts the double-card dual-standby of a cover communication device realization is provided, reduces the mobile phone volume, reduce the mobile phone cost, reduce mobile telephone power consumption, make things convenient for the user to carry.
The present invention has disclosed a kind of double card double standby mobile phone that adopts single cover communication device to realize, the double card double standby mobile phone that described single cover communication device is realized comprises radio-frequency module (RF), baseband chip, peripheral hardware and smart card draw-in groove 1 and draw-in groove 2, described baseband chip comprises radio frequency interface, intelligent card interface, Peripheral Interface, baseband processing module, MMI module and communication protocol processing module, it is characterized in that: described baseband chip also comprises sheet modeling piece, intelligent card interface time division multiplexing module, base band time division multiplexing module, described communication protocol processing module comprises the first communication protocol processing module and second communication protocol process module, described first communication protocol processing module and second communication protocol process module are shared intelligent card interface by intelligent card interface time division multiplexing module, and share baseband processing module by base band time division multiplexing module.
The double card double standby mobile phone that described single cover communication device is realized also is provided with electronic switch, and described modeling piece links to each other with described electronic switch respectively with intelligent card interface, and the other end of described electronic switch links to each other respectively with draw-in groove 2 with smart card draw-in groove 1.
Described intelligent card interface time division multiplexing module is controlled described electronic switch to select the smart card of required read-write by described modeling piece, when the first communication protocol processing module need be read and write smart card, intelligent card interface time division multiplexing module is the service of the first communication protocol processing module, by sheet modeling piece control electronic switch, connect smart card draw-in groove 1; When the second communication protocol process module need be read and write smart card, intelligent card interface time division multiplexing module was the service of second communication protocol process module, by sheet modeling piece control electronic switch, connected smart card draw-in groove 2.When the first communication protocol processing module and second communication protocol process module taking place ask to read and write smart card simultaneously, intelligent card interface time division multiplexing module arrangement one tunnel is read and write another road and is waited for that a dataway operation is finished, and another road is read and write.
Described first communication protocol processing module and second communication protocol process module are shared described baseband processing module by described base band time division multiplexing module, when the described first communication protocol processing module need be passed through the baseband processing module transceive data, described base band time division multiplexing module is described first communication protocol processing module service, when the second communication protocol process module needs transceive data, described base band time division multiplexing module is the service of second communication protocol process module, when two-way clashes, described base band time division multiplexing module guarantees one tunnel data transmit-receive, another road then is equivalent to enter the dead space, by the time be that one tunnel service finishes, provide service for another road again.
The double card double standby mobile phone that described a kind of single cover communication device is realized is supported all smart cards, can be GSM, also can be CDMA, TD-SCDMA, WCDM etc.
Single cover communication device double card double standby mobile phone of the present invention is a baseband chip only, realizes double-card dual-standby, and the mobile phone volume is little, and cost is low, is convenient for carrying.Can enjoy the service of two different operators simultaneously, perhaps have two telephone numbers in strange land.
Description of drawings
Fig. 1 is existing double card double standby mobile phone structured flowchart;
Fig. 2 is the structured flowchart of existing single deck tape-recorder mobile phone;
Fig. 3 is that the present invention singly overlaps communication device double card double standby mobile phone structured flowchart.
Embodiment
The present invention is suitable for and all smart card mobile phones, for simplicity, adopts GSM mobile handset to describe as embodiment, is not limited only to GSM.
Traditional GSM mobile handset hardware block diagram comprises radio-frequency module (RF), baseband chip, peripheral hardware, sim card slot as shown in Figure 2.Baseband chip links to each other with radio-frequency module by radio frequency interface, links to each other with peripheral hardware by Peripheral Interfaces such as keyboard/LCD, links to each other with sim card slot by the SIM interface.Baseband chip also comprises baseband processing module, communication protocol processing module and MMI module.
The double card double standby mobile phone that employing one cover communication device of the present invention is realized is referring to the hardware block diagram of Fig. 3, comprise radio-frequency module (RF), baseband chip, peripheral hardware, two sim card slot SIM1 and SIM2, and electronic switch, baseband chip links to each other with radio-frequency module by radio frequency interface, link to each other with peripheral hardware by Peripheral Interfaces such as keyboard/LCD, baseband chip also has SIM interface and sheet modeling piece, links to each other with electronic switch, and the other end of electronic switch links to each other with two sim card slots.
Described baseband chip also comprises baseband processing module, base band time division multiplexing module, SIM card communication protocol processing module, MMI module and SIM interface time division multiplexing module except that comprising above-mentioned Peripheral Interface, radio frequency interface, SIM card interface and sheet modeling piece.Wherein said SIM card communication protocol processing module comprises SIM1 communication protocol processing module and SIM2 communication protocol processing module.
SIM1 communication protocol processing module and SIM2 communication protocol processing module are shared the SIM interface by SIM interface time division multiplexing module, and SIM interface time division multiplexing module is controlled electronic switch to select the SIM card of required read-write by sheet modeling piece.When SIM1 communication protocol processing module need be read and write SIM1, SIM interface time division multiplexing module was the service of SIM1 communication protocol processing module, by sheet modeling piece control electronic switch, connected SIM1; When SIM2 communication protocol processing module need be read and write SIM2, SIM interface time division multiplexing module was the service of SIM2 communication protocol processing module, by sheet modeling piece control electronic switch, connected SIM2.When generation SIM1 communication protocol processing module and SIM2 communication protocol processing module asked to read and write SIM card simultaneously, SIM interface time division multiplexing module arrangement one tunnel was read and write another road and is waited for that a dataway operation is finished, and another road is read and write.Because read-write SIM task amount is very little, so this kind method is feasible fully.
SIM1 communication protocol processing module and SIM2 communication protocol processing module are shared baseband processing module by base band time division multiplexing module, when SIM1 communication protocol processing module need be passed through the baseband processing module transceive data, base band time division multiplexing module is the service of SIM1 communication protocol processing module, when SIM2 communication protocol processing module needs transceive data, base band time division multiplexing module is the service of SIM1 communication protocol processing module, when two-way clashes, base band time division multiplexing module guarantees one tunnel data transmit-receive, another road then is equivalent to enter the dead space, by the time be that one tunnel service finishes, provide service for another road again.
In the time division multiplexing mobile communication system, in general, the two-way transceive data can not conflicted basically under holding state, and under service condition, the SIM that is in service condition takies baseband processing module, and another road can't be received and dispatched.If the two-way transceive data clashes, then be equivalent to another road and enter the dead space.For the general user, this is complete acceptable.At this is that example is analyzed with GSM: among the GSM, mobile phone needs every 470.73ms to remove to receive paging data one time to 2118.3ms under the holding state, the time that the paging receiving data need take baseband processing module is 18.46ms, the situation of two-way conflict possibility occurrence maximum is that all every 470.73ms of two-way receives a paging data, and the probability that clashes in such cases is: 18.46*2/470.73=7.84%.If a phone arrives, network sends paging and will continue for some time, and can reduce the probability that Inbound Calls is lost by the mode that alternately receives, and irrelevant with the present invention, this paper no longer carefully states; The SIM that is in service condition under the service condition takies baseband processing module, and another road can't be received and dispatched, and per hour converses 5 minutes by the traffic carrying capacity of domestic consumer, i.e. 1/12 Ireland, the probability that conflict takes place is: 1/12=8.33% for domestic consumer, is complete acceptable.
The switching of electronic switch control SIM card, between transfer period, electronic switch just disconnects wherein two pins of I/O, CLK of a SIM card, and connects two pins of I/O, CLK of an other SIM card simultaneously, and the VSIM of SIM card, RST, GND, VPP does not disconnect during switching SIM card, so, during switching SIM card, the SIM card that just is disconnected can not be carried out read-write operation, can read and write this SIM card again after waiting switchback.
When handling two card business, being business-driven, is the method for operation of preemptive type, and what specifically seize is I/O and two hardware resources of CLK of SIM, by the switching of electronic switch according to business demand control SIM card.
Visit to SIM card is driven by concrete business, and business comprises read-write SIM file and carry out SIM authentication etc. that arbitrary calorie requirement work then electronic switch is cut over earlier, operates then.If two cards will be operated simultaneously, then control the alternative of assurance to two card visits by software, wait one to block the operation of carrying out another card after operation is finished again.
Because it is sporadic that the signal that receives from network side all has, it is feasible therefore can carrying out Signal Processing on same hardware.If conflict then can priority treatment receive earlier.The processing logic of single chip double card with the logical construction difference of two cover chips is: conflicting on if there is no signal sends and receives, then two cards all handles, if the conflict on life period and the hardware resource, the then priority treatment request of arrival earlier, then delay processing (as the visit of SIM card) for what can delay processing, for delaying processing, discard request (as receiving the network signal on the assigned timeslot) then.
Single cover communication device double-card mobile phone that the present invention speaks of is not limited only to GSM mobile handset, in a broad sense, as long as smart card can be according to doing like this, comprises that GSM SIM card, CDMA card, WCDMA, TD-SCDMA card all can so realize.
According to the present invention, can on the basis of existing single cover communication device, realize double-card dual-standby.Satisfied the user greatly and used the strange land even numbers, enjoyed the demand of two different operators services simultaneously, the mobile phone volume is little, and cost is low, and is easy to carry.
Claims (11)
1. a list overlaps the double card double standby mobile phone that communication device is realized, comprise radio-frequency module, baseband chip, peripheral hardware and smart card draw-in groove 1 and draw-in groove 2, described baseband chip comprises radio frequency interface, intelligent card interface, Peripheral Interface, baseband processing module, MMI module and communication protocol processing module, it is characterized in that: described baseband chip also comprises sheet modeling piece, intelligent card interface time division multiplexing module, base band time division multiplexing module, described communication protocol processing module comprises the first communication protocol processing module and second communication protocol process module, described first communication protocol processing module and second communication protocol process module are shared intelligent card interface by intelligent card interface time division multiplexing module, and share baseband processing module by base band time division multiplexing module.
2. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 1 is realized is characterized in that: the double card double standby mobile phone that described single cover communication device is realized also is provided with electronic switch.
3. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 2 is realized, it is characterized in that: described modeling piece links to each other with described electronic switch.
4. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 2 is realized, it is characterized in that: described intelligent card interface is connected with described electronic switch.
5. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 2 is realized, it is characterized in that: described electronic switch links to each other with the smart card draw-in groove.
6. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 2 is realized, it is characterized in that: described intelligent card interface time division multiplexing module is controlled described electronic switch to select the smart card of required read-write by described modeling piece, when the first communication protocol processing module need be read and write smart card, intelligent card interface time division multiplexing module is the service of the first communication protocol processing module, by sheet modeling piece control electronic switch, connect smart card draw-in groove 1; When the second communication protocol process module need be read and write smart card, intelligent card interface time division multiplexing module was the service of second communication protocol process module, by sheet modeling piece control electronic switch, connected smart card draw-in groove 2.
7. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 1 is realized, it is characterized in that: when the first communication protocol processing module and second communication protocol process module taking place ask to read and write smart card simultaneously, intelligent card interface time division multiplexing module arrangement one tunnel is read and write another road and is waited for, one dataway operation is finished, and another road is read and write.
8. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 1 is realized, it is characterized in that: described first communication protocol processing module and second communication protocol process module are shared described baseband processing module by described base band time division multiplexing module.
9. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 1 is realized, the described first communication protocol processing module it is characterized in that: when need be passed through the baseband processing module transceive data, described base band time division multiplexing module is described first communication protocol processing module service, when the second communication protocol process module needs transceive data, described base band time division multiplexing module is the service of second communication protocol process module, when two-way clashes, described base band time division multiplexing module guarantees one tunnel data transmit-receive, another road then is equivalent to enter the dead space, by the time be that one tunnel service finishes, provide service for another road again.
10. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 1 is realized, it is characterized in that: described mobile phone is a GSM mobile handset.
11. the double card double standby mobile phone that a kind of single cover communication device as claimed in claim 1 is realized, it is characterized in that: described mobile phone is the CDMA mobile phone.
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| CN 200810033228 CN101222715B (en) | 2008-01-29 | 2008-01-29 | Double-card double-standby mobile phone implemented by single communication device |
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| CN 200810033228 CN101222715B (en) | 2008-01-29 | 2008-01-29 | Double-card double-standby mobile phone implemented by single communication device |
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| CN101808428A (en) * | 2010-04-21 | 2010-08-18 | 华为终端有限公司 | Communication method and device of double-card dual-standby cell phone |
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| CN110177367A (en) * | 2014-05-21 | 2019-08-27 | 柏思科技有限公司 | The use of multiple SIM cards at wireless communication device |
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| CN111654907A (en) * | 2020-06-19 | 2020-09-11 | 展讯通信（上海）有限公司 | Electronic device |
| CN112385309A (en) * | 2020-10-16 | 2021-02-19 | 北京小米移动软件有限公司 | Voice communication method, device, communication equipment and storage medium |
| WO2022077475A1 (en) * | 2020-10-16 | 2022-04-21 | 北京小米移动软件有限公司 | Voice communication method and apparatus, communication device, and storage medium |
| CN112385309B (en) * | 2020-10-16 | 2023-03-31 | 北京小米移动软件有限公司 | Voice communication method, device, communication equipment and storage medium |
| CN118019119A (en) * | 2024-04-09 | 2024-05-10 | 南京创芯慧联技术有限公司 | Communication data processing device and method compatible with LTE standard and NR standard |
| CN118019119B (en) * | 2024-04-09 | 2024-06-25 | 南京创芯慧联技术有限公司 | Communication data processing device and method compatible with LTE standard and NR standard |
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