CN101217745B - A single chip dual-card dual-standby mobile telephone - Google Patents
A single chip dual-card dual-standby mobile telephone Download PDFInfo
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- CN101217745B CN101217745B CN200810032602XA CN200810032602A CN101217745B CN 101217745 B CN101217745 B CN 101217745B CN 200810032602X A CN200810032602X A CN 200810032602XA CN 200810032602 A CN200810032602 A CN 200810032602A CN 101217745 B CN101217745 B CN 101217745B
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Abstract
The invention discloses a dual card dual standby mobile phone which is realized by a single chip. The single chip dual card dual standby mobile phone comprises an antenna, a radio frequency module, a baseband processing module, a power supply module and two SIM slots. The baseband processing module is connected with an electronic switch which is connected with two SIM slots at the same time through an SIM interface and controls the electronic switch through a chip-selection control circuit. Therefore, the invention realizes the standby of two cards on a set of mobile phone hardware at the same time, reduces the volume of the dual card mobile phone, reduces the cost and has convenient application.
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.Such double card double standby mobile phone cost is high, and volume is also relatively huge.
Thereby a kind of list cover chip that adopts realizes that the requirement of double card double standby mobile phone begins to occur, and the present invention discloses a kind of like this double card double standby mobile phone that adopts list cover chip to realize.
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 chip realization is provided, reduces the mobile phone volume, reduce the mobile phone cost, make things convenient for the user to carry.
The present invention has disclosed the double card double standby mobile phone that a kind of single cover chip is realized, described single chip dual-card dual-standby mobile telephone comprises antenna, radio-frequency module, baseband processing module, power module and two sim card slots, described baseband processing module links to each other with an electronic switch that connects two sim card slots simultaneously by the SIM interface, and by sheet selected control system circuit electronic switch is controlled; Described selected control system circuit drives according to the concrete business of mobile phone, selects different SIM card; Described mobile phone if conflict occurs, is then handled two card business simultaneously when receiving business, if conflict, then priority treatment receives earlier; When described conflict is resource contention, then handle according to priority level.
Visit to SIM card is driven by concrete business, and sheet selected control system circuit is controlled electronic switch according to the business demand of SIM card and switched to corresponding SIM card, arbitrary SIM card need work then electronic switch cut over earlier, carry out business operation then.If two SIM card will be operated simultaneously, then control in proper order according to the priority level of SIM card business, guarantee alternative to two card visits, wait one to block the operation of carrying out another card after operation is finished again.
Mobile phone of the present invention is on the basis of above-mentioned hardware configuration, also need the cell phone software support, the shared L1 physical layer of software protocol stack architecture double SIM card of the present invention, L2 data link layer, but have oneself L3 network layer and L4 transport layer software respectively, handle the business of SIM card separately respectively.
Single chip dual-card dual-standby mobile telephone of the present invention is a GSM mobile handset, also can be all kinds of mobile phones of using other smart cards, as the CDMA mobile phone.
Single chip dual-card dual-standby mobile telephone of the present invention has only cover antenna, radio-frequency module and a baseband processing module, 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 hardware block diagram;
Fig. 2 is a single chip dual-card dual-standby mobile telephone structured flowchart of the present invention;
Fig. 3 is a protocol stack block diagram of the present invention.
Embodiment
Single chip dual-card dual-standby mobile telephone of the present invention is referring to the hardware block diagram of Fig. 2, comprise antenna, radio-frequency module, baseband processing chip, two sim card slots and other peripheral hardwares, baseband processing chip SIM interface connects sim card slot by electronic switching circuit, and connects the selection of electronic switching circuit realization to SIM card by sheet selected control system interface.
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.
The single chip 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.
Software protocol stack block diagram of the present invention is seen the shared L1 physical layer of 3, two SIM card of accompanying drawing and L2 data link layer and application layer, but has independently L3 network layer and L4 transport layer separately, and the mobile phone signal that can finish is separately handled.The L3 network layer is the core of gsm protocol, comprises RRM sublayer (RR), mobile management sublayer (MM), connection management sublayer (CM).The CM sublayer has the control of calling (CC), supplementary service (SS) and short message management entities such as (SMS) again.SIM card Business Processing is so separately separately carried out, and both sharing system resources are when system resource clashes, according to the processing that conflicts of the priority level of business.
According to the present invention, can on existing single-chip basis, 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 (7)
1. single chip dual-card dual-standby mobile telephone, it is characterized in that: described single chip dual-card dual-standby mobile telephone comprises a cover antenna, radio-frequency module, baseband processing module, power module and two sim card slots, and other peripheral hardwares, described baseband processing module links to each other with an electronic switch that connects described two sim card slots simultaneously by the SIM interface, and by sheet selected control system circuit electronic switch is controlled; Described selected control system circuit drives according to the concrete business of mobile phone, selects different SIM card; Described mobile phone if conflict occurs, is then handled two card business simultaneously when receiving business, if conflict, then priority treatment receives earlier; When described conflict is resource contention, then handle according to priority level.
2. a kind of single chip dual-card dual-standby mobile telephone as claimed in claim 1 is characterized in that: the protocol software of described mobile phone has the independently layer 3 network layer and the 4th layer of transport layer software of serving two SIM cards respectively.
3. a kind of single chip dual-card dual-standby mobile telephone as claimed in claim 3 is characterized in that: described layer 3 network layer and the 4th layer of transport layer software can independently be finished SIM card signal processing separately.
4. a kind of single chip dual-card dual-standby mobile telephone as claimed in claim 1 is characterized in that: shared the 1st layer of physical layer of the protocol software of described mobile phone, the 2nd layer data link layer and application layer software.
5. a kind of single chip dual-card dual-standby mobile telephone as claimed in claim 1 is characterized in that: described electronic switch only switches two pins of I/O, CLK of SIM card when switching SIM card.
6. a kind of single chip dual-card dual-standby mobile telephone as claimed in claim 1 is characterized in that: described mobile phone is a GSM mobile handset.
7. a kind of single chip dual-card dual-standby mobile telephone as claimed in claim 1 is characterized in that: described mobile phone is the CDMA mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810032602XA CN101217745B (en) | 2008-01-11 | 2008-01-11 | A single chip dual-card dual-standby mobile telephone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810032602XA CN101217745B (en) | 2008-01-11 | 2008-01-11 | A single chip dual-card dual-standby mobile telephone |
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| CN101217745A CN101217745A (en) | 2008-07-09 |
| CN101217745B true CN101217745B (en) | 2010-12-22 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827464B (en) * | 2009-03-03 | 2013-08-21 | 展讯通信（上海）有限公司 | Dual-mode dual-card dual-standby dual-pass wireless terminal and communication method thereof |
| CN101827463B (en) * | 2009-03-03 | 2013-08-21 | 展讯通信（上海）有限公司 | Dual-mode dual-card dual-standby single-pass wireless terminal and communication method thereof |
| CN101801088B (en) | 2010-03-18 | 2014-11-05 | 中兴通讯股份有限公司 | Scheduling method in code division multiple access (CDMA) system and single mode chip |
| CN102026374A (en) * | 2010-12-03 | 2011-04-20 | 中兴通讯股份有限公司 | Management method for wireless service of single-chip dual-card CDMA terminal and CDMA terminal |
| CN102256338B (en) * | 2011-06-30 | 2015-06-17 | 展讯通信（上海）有限公司 | Method for processing task conflict of mobile terminal |
| CN102348257B (en) * | 2011-06-30 | 2014-04-09 | 展讯通信（上海）有限公司 | Terminal, and conflict processing method and device thereof |
| CN102355704B (en) * | 2011-07-08 | 2014-04-23 | 展讯通信（上海）有限公司 | Processing method for task conflict of mobile terminal |
| CN110177367B (en) * | 2014-05-21 | 2021-12-07 | 柏思科技有限公司 | Use of multiple SIM cards at a wireless communication device |
| US10631315B2 (en) | 2015-09-25 | 2020-04-21 | Apple Inc. | Communication device and method for performing radio communication |
| CN106488440A (en) * | 2016-12-21 | 2017-03-08 | 上海传英信息技术有限公司 | Mobile terminal and communication network method of attachment |
| CN110139320B (en) * | 2018-02-02 | 2022-09-02 | 北京小米松果电子有限公司 | Method, device, medium and terminal for processing service conflict of multi-card communication terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1976516A (en) * | 2006-12-15 | 2007-06-06 | 深圳天珑移动技术有限公司 | Double-card double-standby mobile telephone |
| CN101188835A (en) * | 2007-12-07 | 2008-05-28 | 嘉兴闻泰通讯科技有限公司 | Power on and network search method for dual-card and dual-standby mobile phone |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976516A (en) * | 2006-12-15 | 2007-06-06 | 深圳天珑移动技术有限公司 | Double-card double-standby mobile telephone |
| CN101188835A (en) * | 2007-12-07 | 2008-05-28 | 嘉兴闻泰通讯科技有限公司 | Power on and network search method for dual-card and dual-standby mobile phone |
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| CN101217745A (en) | 2008-07-09 |
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