CN105450799A - Wireless communication system and method for automatically switching SIM cards - Google Patents
Wireless communication system and method for automatically switching SIM cards Download PDFInfo
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- CN105450799A CN105450799A CN201410747571.1A CN201410747571A CN105450799A CN 105450799 A CN105450799 A CN 105450799A CN 201410747571 A CN201410747571 A CN 201410747571A CN 105450799 A CN105450799 A CN 105450799A
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- sim card
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Abstract
The invention discloses a wireless communication system and a method for automatically switching SIM cards. The wireless communication system comprises a wireless communication module, a first SIM card seat circuit, a second SIM card seat circuit, a switching switch circuit and a processor. The first SIM card seat circuit comprises a first SIM card. The second SIM card seat circuit comprises a second SIM card. The wireless communication module is electrically connected to the first or second SIM card seat circuit in a switchable manner through the switching switch circuit. The processor is used for querying the service provider of the place where the wireless communication system is arranged, judging whether the service provider is the same with the service provider of the first SIM card, controlling the switching switch circuit to enable the wireless communication module to be electrically connected with the first SIM card seat circuit when the two service providers are the same, and controlling the switching switch circuit to enable the wireless communication module to be electrically connected with the second SIM card seat circuit when the two service providers are different. The wireless communication system provided by the invention is capable of automatically switching the SIM cards, the usage is convenient, and unnecessary cost is reduced.
Description
Technical field
The present invention relates to the industrial circle of radio communication, particularly a kind of wireless communication system of the SIM card that can automatically switch and the method for automatic switchover SIM card.
Background technology
Existing wireless communication system comprises wireless communication module, SIM (SubscriberIdentityModule, client identification module) card seat circuit, power circuit, serial port circuit or USB (UniversalSerialBus, USB) circuit, radio circuit and voicefrequency circuit etc.User in existing wireless communication system, in SIM card holder, only has a SIM card, no matter therefore, A is regional or B area all must adopt this SIM card, can cause the rate of SIM card high.Such as, use SIM card A cheap in A area, use SIM card B cheap in B area, obviously, user all uses the rate of SIM card A or SIM card B to use SIM card A, high at the rate of B area use SIM card B in A area than user in A area and B area.The difference of this rate is not also clearly in inland of China, due between the country in Europe and country from very close to, accidentally will go abroad, so the difference of this rate will be obvious in European countries.
Existing mobile phone possesses the function selecting SIM card, and namely double card list is treated, manually selects SIM card A or SIM card B by the button on mobile phone.If user does not have manually to select SIM card will produce higher rate in time.
Summary of the invention
The technical problem to be solved in the present invention is the defect needing manually to select SIM card in order to overcome prior art, provides a kind of wireless communication system of the SIM card that can automatically switch and the method for automatic switchover SIM card.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of wireless communication system, its feature is, this wireless communication system comprises a wireless communication module, one first SIM card holder circuit, one second SIM card holder circuit, one switching switch circuit and a processor, this the first SIM card holder circuit comprises one first SIM card, this the second SIM card holder circuit comprises one second SIM card, this wireless communication module is electrically connected to this first SIM card holder circuit or this second SIM card holder circuit by this switching switch circuit is switchable, this processor is for inquiring about the on-site operator of this wireless communication system, and judge that whether this on-site operator is identical with the operator of the first SIM card, controlling this switching switch circuit when this on-site operator is identical with the operator of the first SIM card makes this wireless communication module be electrically connected with this first SIM card holder circuit by this switching switch circuit, controlling this switching switch circuit when this on-site operator is not identical with the operator of the first SIM card makes this wireless communication module be electrically connected with this second SIM card holder circuit by this switching switch circuit.
In this programme, this wireless communication system controls switching switch circuit according to the on-site operator inquired, thus realizes the automatic switchover of the first SIM card and the second SIM card.The on-site operator that processor in this wireless communication system inquires is the operator of the first SIM card or the operator of the second SIM card.The operator of the first SIM card and the second SIM card can be domestic, also can be external, and wherein, Domestic Carriers has China Mobile, CHINAUNICOM and China Telecom etc., and there is Waduven in external operator, Verizon is wireless and T-Mobile etc.
Preferably, whether this processor is also identical with the operator of the second SIM card for judging this on-site operator, controlling this switching switch circuit when this on-site operator is identical with the operator of the second SIM card makes this wireless communication module be electrically connected with this second SIM card holder circuit by this switching switch circuit, controls this switching switch circuit this wireless communication module is electrically connected with this first SIM card holder circuit by this switching switch circuit when this on-site operator is not identical with the operator of the second SIM card.
Preferably, is this processor for adopting AT+COPS? the order inquiry on-site operator of this wireless communication system.
Preferably, this first SIM card holder circuit and this second SIM card holder circuit include RC filter circuit.In this programme, the effect of RC filter circuit suppresses electromagnetic interference and filtering radio frequency interference.
Preferably, this switching switch circuit comprises single-pole double throw four path analoging switch.
Preferably, this wireless communication system is a mobile communication equipment.
The present invention also provides a kind of method of the SIM card that automatically switches, and its feature is, utilize wireless communication system as above to realize, the method comprises the following steps:
S
1, inquire about the on-site operator of this wireless communication system;
S
2, judge that whether this on-site operator identical with the operator of the first SIM card, if so, then enter step S
3, if not, then enter step S
4;
S
3, control this switching switch circuit this wireless communication module be electrically connected with this first SIM card holder circuit by this switching switch circuit, process ends;
S
4, control this switching switch circuit this wireless communication module be electrically connected with this second SIM card holder circuit by this switching switch circuit.
Preferably, by step S
2replace with step S
22,
S
22, judge that whether this on-site operator identical with the operator of the second SIM card, if so, then enter step S
4, if not, then enter step S
3.
Preferably, step S
1middle employing AT+COPS? the order inquiry on-site operator of this wireless communication system.In this programme, according to AT+COPS? the return value of order can draw this on-site operator.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is: compared with the wireless communication system of existing manual selection SIM card, wireless communication system of the present invention controls switching switch circuit by the on-site operator of inquiry, thus realize the automatic switchover of SIM card, user is easy to use, and decreases unnecessary SIM card rate.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the wireless communication system of the embodiment of the present invention.
Fig. 2 is the partial circuit figure of the wireless communication system of the embodiment of the present invention.
Fig. 3 is the flow chart of the method for the automatic switchover SIM card of the embodiment of the present invention.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
As shown in Figure 1, wireless communication system comprises wireless communication module 11, first SIM card holder circuit 12, second SIM card holder circuit 13, switching switch circuit 14 and processor 15.First SIM card holder circuit 12 comprises the first SIM card and RC filter circuit, second SIM card holder circuit 13 comprises the second SIM card and filter circuit, and wireless communication module 11 is electrically connected to the first SIM card holder circuit 12 or the second SIM card holder circuit 13 by switching switch circuit 14 is switchable.Is processor 15 for adopting AT+COPS? the order inquiry on-site operator of this wireless communication system, and judge that whether this on-site operator is identical with the operator of the first SIM card, controlling switching switch circuit 14 when this on-site operator is identical with the operator of the first SIM card makes wireless communication module 11 be electrically connected with the first SIM card holder circuit 12 by switching switch circuit 14, controlling switching switch circuit 14 when this on-site operator is not identical with the operator of the first SIM card makes wireless communication module 11 be electrically connected with the second SIM card holder circuit 13 by this switching switch circuit 14.
The partial circuit of wireless communication system as shown in Figure 2, wireless communication module comprises communication chip U3, switching switch circuit comprises single-pole double throw four path analoging switch SW1, wherein, strobe pin SEL in single-pole double throw four path analoging switch SW1 is electrically connected with the control pin SIM_SEL of processor, when the level controlling pin SIM_SEL is high level, communication chip U3 is electrically connected with the first SIM card U1 by single-pole double throw four path analoging switch SW1, when the level controlling pin SIM_SEL is low level, communication chip U3 is electrically connected with the second SIM card U2 by single-pole double throw four path analoging switch SW1.
The present embodiment also provides a kind of method of the SIM card that automatically switches, and utilize wireless communication system as above to realize, as shown in Figure 3, the method comprises the following steps:
Step 101, employing AT+COPS? the order inquiry on-site operator of this wireless communication system;
Step 102, judge that whether this on-site operator is identical with the operator of the first SIM card, if so, then enter step 103, if not, then enter step 104;
Step 103, control this switching switch circuit this wireless communication module is electrically connected with this first SIM card holder circuit by this switching switch circuit, process ends;
Step 104, control this switching switch circuit this wireless communication module is electrically connected with this second SIM card holder circuit by this switching switch circuit.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection scope of the present invention.
Claims (9)
1. a wireless communication system, it is characterized in that, this wireless communication system comprises a wireless communication module, one first SIM card holder circuit, one second SIM card holder circuit, one switching switch circuit and a processor, this the first SIM card holder circuit comprises one first SIM card, this the second SIM card holder circuit comprises one second SIM card, this wireless communication module is electrically connected to this first SIM card holder circuit or this second SIM card holder circuit by this switching switch circuit is switchable, this processor is for inquiring about the on-site operator of this wireless communication system, and judge that whether this on-site operator is identical with the operator of the first SIM card, controlling this switching switch circuit when this on-site operator is identical with the operator of the first SIM card makes this wireless communication module be electrically connected with this first SIM card holder circuit by this switching switch circuit, controlling this switching switch circuit when this on-site operator is not identical with the operator of the first SIM card makes this wireless communication module be electrically connected with this second SIM card holder circuit by this switching switch circuit.
2. wireless communication system as claimed in claim 1, it is characterized in that, whether this processor is also identical with the operator of the second SIM card for judging this on-site operator, controlling this switching switch circuit when this on-site operator is identical with the operator of the second SIM card makes this wireless communication module be electrically connected with this second SIM card holder circuit by this switching switch circuit, controlling this switching switch circuit when this on-site operator is not identical with the operator of the second SIM card makes this wireless communication module be electrically connected with this first SIM card holder circuit by this switching switch circuit.
3. wireless communication system as claimed in claim 1, is characterized in that, is this processor for adopting AT+COPS? the order inquiry on-site operator of this wireless communication system.
4. wireless communication system as claimed in claim 1, is characterized in that, this first SIM card holder circuit and this second SIM card holder circuit include RC filter circuit.
5. wireless communication system as claimed in claim 1, it is characterized in that, this switching switch circuit comprises single-pole double throw four path analoging switch.
6. wireless communication system as claimed in claim 1, it is characterized in that, this wireless communication system is a mobile communication equipment.
7. a method for the SIM card that automatically switches, is characterized in that, utilize wireless communication system as claimed in claim 1 to realize, the method comprises the following steps:
S
1, inquire about the on-site operator of this wireless communication system;
S
2, judge that whether this on-site operator identical with the operator of the first SIM card, if so, then enter step S
3, if not, then enter step S
4;
S
3, control this switching switch circuit this wireless communication module be electrically connected with this first SIM card holder circuit by this switching switch circuit, process ends;
S
4, control this switching switch circuit this wireless communication module be electrically connected with this second SIM card holder circuit by this switching switch circuit.
8. method as claimed in claim 7, is characterized in that, by step S
2replace with step S
22,
S
22, judge that whether this on-site operator identical with the operator of the second SIM card, if so, then enter step S
4, if not, then enter step S
3.
9. method as claimed in claim 7 or 8, is characterized in that, step S
1middle employing AT+COPS? the order inquiry on-site operator of this wireless communication system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747571.1A CN105450799A (en) | 2014-12-08 | 2014-12-08 | Wireless communication system and method for automatically switching SIM cards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747571.1A CN105450799A (en) | 2014-12-08 | 2014-12-08 | Wireless communication system and method for automatically switching SIM cards |
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| Publication Number | Publication Date |
|---|---|
| CN105450799A true CN105450799A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410747571.1A Pending CN105450799A (en) | 2014-12-08 | 2014-12-08 | Wireless communication system and method for automatically switching SIM cards |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107300981A (en) * | 2017-06-08 | 2017-10-27 | 捷开通讯(深圳)有限公司 | Keyboard |
| WO2018000641A1 (en) * | 2016-06-30 | 2018-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Esim handover method, switch apparatus, and terminal |
| CN108184256A (en) * | 2018-01-26 | 2018-06-19 | 上海祐云信息技术有限公司 | A kind of ESIM cards automatic switching control equipment |
| CN110167010A (en) * | 2019-06-26 | 2019-08-23 | 上海果通通信科技股份有限公司 | A kind of communication switching device and method for Internet of Things communications module |
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| CN101184293A (en) * | 2007-12-13 | 2008-05-21 | 展讯通信（上海）有限公司 | Dual-card intelligent switch method for mobile phone |
| CN101998362A (en) * | 2009-08-27 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for switching international mobile subscriber identity (IMSI) |
| CN202310125U (en) * | 2011-11-16 | 2012-07-04 | 深圳市赛格导航科技股份有限公司 | Dual-card single-standby vehicle-mounted terminal device |
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| WO2007108811A2 (en) * | 2006-03-15 | 2007-09-27 | Eustace Prince Isidore | Single wireless communication device with multiple, concurrent subscriber number capability |
| CN101184293A (en) * | 2007-12-13 | 2008-05-21 | 展讯通信（上海）有限公司 | Dual-card intelligent switch method for mobile phone |
| CN101998362A (en) * | 2009-08-27 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for switching international mobile subscriber identity (IMSI) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018000641A1 (en) * | 2016-06-30 | 2018-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Esim handover method, switch apparatus, and terminal |
| CN107300981A (en) * | 2017-06-08 | 2017-10-27 | 捷开通讯(深圳)有限公司 | Keyboard |
| WO2018223703A1 (en) * | 2017-06-08 | 2018-12-13 | 惠州Tcl移动通信有限公司 | Keypad |
| US11086408B2 (en) | 2017-06-08 | 2021-08-10 | Huizhou Tcl Mobile Communication Co., Ltd. | Keypad |
| CN108184256A (en) * | 2018-01-26 | 2018-06-19 | 上海祐云信息技术有限公司 | A kind of ESIM cards automatic switching control equipment |
| CN110167010A (en) * | 2019-06-26 | 2019-08-23 | 上海果通通信科技股份有限公司 | A kind of communication switching device and method for Internet of Things communications module |
| CN110167010B (en) * | 2019-06-26 | 2023-09-08 | 上海优咔网络科技有限公司 | Communication switching device and method for communication module of Internet of things |
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| CB02 | Change of applicant information |
Address after: 200233 Shanghai city Xuhui District Tianzhou Road No. 99 building 13 Room 501 Applicant after: QUECTEL WIRELESS SOLUTIONS CO., LTD. Address before: 200233 Shanghai city Xuhui District Tianzhou Road No. 99 building 13 Room 501 Applicant before: Shanghai Quectel Communication Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |