CN114630385A - SIM card switching system and method - Google Patents
SIM card switching system and method Download PDFInfo
- Publication number
- CN114630385A CN114630385A CN202210434541.XA CN202210434541A CN114630385A CN 114630385 A CN114630385 A CN 114630385A CN 202210434541 A CN202210434541 A CN 202210434541A CN 114630385 A CN114630385 A CN 114630385A
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- sim card
- communication module
- sim
- cards
- switching instruction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a system and a method for switching SIM cards, which comprises a circuit module integrated by a plurality of SIM cards and a communication module, wherein the communication module is connected with a base station and used for judging whether the network connection between the current communication module and the base station is available according to a selected internet access strategy, and if the network connection is unavailable, sending an instruction for switching the SIM cards to the circuit module integrated by the plurality of SIM cards; and the circuit module integrated with the plurality of SIM cards is connected with the communication module and used for receiving the SIM card switching instruction sent by the communication module and switching to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module. The invention can realize the establishment of the high-quality network of the SIM card.
Description
Technical Field
The invention relates to the field of SIM card switching, in particular to an SIM card switching system and method.
Background
At present, in China, a mobile network is supported by an underlying network by three operators, and each operator has different resources invested in provinces and cities and different base station deployment conditions.
When a user registers a network through a mobile terminal, a situation (signal black hole) that a local network signal coverage is poor or no network is used by a single operator occurs.
Disclosure of Invention
The invention aims to provide a system and a method for switching an SIM card, and aims to solve the problem of the system and the method for switching the SIM card.
The invention provides a SIM card switching system, comprising:
a circuit module and a communication module integrated by a plurality of SIM cards,
the communication module is connected with the base station and used for judging whether the network connection between the current communication module and the base station is available according to the selected internet access strategy, and if the network connection is unavailable, sending an SIM card switching instruction to the circuit module integrated by a plurality of SIM cards;
and the circuit module integrated with the plurality of SIM cards is connected with the communication module and used for receiving the SIM card switching instruction sent by the communication module and switching to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module.
The invention also provides a SIM card switching method, which comprises the following steps:
s1, the communication module judges whether the network connection between the current communication module and the base station is available according to the selected network access strategy, if not, the communication module sends an SIM card switching instruction to the integrated circuit module of a plurality of SIM cards;
and S2, the circuit module integrated by the plurality of SIM cards receives the SIM card switching instruction sent by the communication module and switches to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module.
By adopting the embodiment of the invention, the three-in-one network can be realized, and the network quality is improved.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a SIM card switching system according to an embodiment of the invention;
fig. 2 is a policy flow diagram of a SIM card switching system according to an embodiment of the present invention;
fig. 3 is a flowchart of policy issuing of the SIM card switching system according to the embodiment of the present invention;
fig. 4 is a circuit diagram of SIM card switching of the SIM card switching system of the embodiment of the present invention;
fig. 5 is a schematic diagram of a method for switching a SIM card according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
System embodiment
According to an embodiment of the present invention, an SIM card switching system is provided, and fig. 1 is a schematic diagram of an SIM card switching system according to an embodiment of the present invention, as shown in fig. 1, specifically including:
a circuit module and a communication module integrated by a plurality of SIM cards,
the communication module is connected with the base station and used for judging whether the network connection between the current communication module and the base station is available according to the selected internet access strategy, and if the network connection is unavailable, sending an SIM card switching instruction to the circuit module integrated by a plurality of SIM cards;
and the circuit module integrated with the plurality of SIM cards is connected with the communication module and used for receiving the SIM card switching instruction sent by the communication module and switching to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module.
The communication module is specifically used for: and judging whether the network connection between the current communication module and the base station is available according to the best strategy of the SIM card signal, and if the network connection is unavailable, sending an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards.
The SIM card signal is preferably obtained by implanting an SDK into the terminal equipment to obtain the network parameters of the equipment and evaluating the network parameters by an algorithm;
and judging whether the network connection between the current communication module and the base station is available according to a minimum time delay strategy, and if the network connection is unavailable, sending an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards.
The circuit module integrated by a plurality of SIM cards comprises a plurality of SIM cards which are connected with the MCU, one of the plurality of SIM cards is used for communicating with the MCU,
and the MCU is connected with the communication module and used for receiving the SIM card switching instruction sent by the communication module and switching the SIM card to communicate with the communication module according to the instruction.
The plurality of SIM cards include: the SIM card comprises a mobile SIM card, a Unicom SIM card and a telecom SIM card.
Fig. 2 is a policy flow chart of the SIM card switching system according to the embodiment of the present invention, as shown in fig. 2:
when the equipment is started, a first card is defaulted to be in network injection, network parameters are obtained, then a second card is in network injection, the network parameters are obtained, then a third card is in network injection, the network parameters are obtained, the network parameters which are in accordance with the strategy are selected, the SIM cards corresponding to the network parameters are adopted, the corresponding parameters are monitored, and when the network parameters of the selected SIM cards are changed, the SIM cards are switched until the SIM cards corresponding to the strategy are in accordance. The strategy comprises the following steps: preferably, the signal, the delay is minimal, etc.
Fig. 3 is a policy issuing flow chart of the SIM card switching system according to the embodiment of the present invention, as shown in fig. 3: ordering a patch card, card manufacturing integration, module embedding sdk, product integration, platform import, strategy making and strategy issuing.
Fig. 4 is a circuit diagram of SIM card switching in the SIM card switching system according to the embodiment of the present invention, as shown in fig. 4:
the method comprises the following steps that a plurality of SIM cards are connected with an MCU, and after the MCU receives a switching instruction, the MCU disconnects the original SIM cards and the new SIM cards which accord with a strategy;
the invention adopts the technology of combining three networks into one, can automatically switch to other operator networks for network injection under the condition that a certain operator network has poor signal or no network coverage, and solves the problem that network injection cannot be carried out due to network black holes formed by insufficient coverage of a single network signal.
A plurality of operator patch cards (SIM cards) are integrated together through a logic circuit, and a specific card is selected for network injection in the network injection process of the module by combining the functions of the communication module.
The selected logic is managed by the application layer and the selected action is performed by the MCU.
Patch cards of three operators are connected through an integrated circuit board, and a scheduling algorithm MCU chip is added.
The algorithm MCU chip is in butt joint with the upper layer communication module, so that a mechanism of transmitting the communication instruction of the SIM card is realized.
And when the communication module carries out network injection, judging whether the current network is available according to the selected strategy.
And if the SIM card is not available, switching to another SIM card for network injection.
The MCU realizes the instruction routing function, and in the process of network injection of the communication module, the MCU distributes instructions to the SIM1 or the SIM2 or the SIM3 for execution according to the setting of the application layer.
Compared with the existing communication module, the scheme can automatically switch and select the network according to the strategies such as signals and the like, and solves the problem of network disconnection caused by network black holes.
Method embodiment
According to an embodiment of the present invention, a method for switching an SIM card is provided, and fig. 5 is a schematic diagram of the method for switching an SIM card according to the embodiment of the present invention, as shown in fig. 5, the method specifically includes:
s1, the communication module judges whether the network connection between the current communication module and the base station is available according to the selected internet access strategy, if not, the communication module sends an SIM card switching instruction to the circuit module integrated by a plurality of SIM cards;
and S2, the circuit module integrated by the plurality of SIM cards receives the SIM card switching instruction sent by the communication module and switches to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module.
S2 specifically includes:
one of the plurality of SIM cards is communicated with the MCU, and the MCU receives the SIM card switching instruction sent by the communication module and switches the SIM card to be communicated with the communication module according to the instruction.
One of the plurality of SIM cards communicates with the MCU, and the MCU receives the SIM card switching instruction sent by the communication module and switches the SIM card to communicate with the communication module according to the instruction, and the MCU specifically comprises: one of the mobile SIM card, the communication SIM card and the telecommunication SIM card is communicated with the MCU, and the MCU receives an SIM card switching instruction sent by the communication module and switches the SIM card to communicate with the communication module according to the instruction.
S1 specifically includes: the communication module judges whether the network connection between the current communication module and the base station is available according to the best strategy of the SIM card signal, and if the network connection is not available, the communication module sends an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards.
The SIM card signal is preferably obtained by implanting an SDK into the terminal equipment to obtain the network parameters of the equipment and evaluating the network parameters by an algorithm;
and judging whether the network connection between the current communication module and the base station is available according to a minimum time delay strategy, and if the network connection is unavailable, sending an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards.
The embodiment of the present invention is a system embodiment corresponding to the above method embodiment, and specific operations of each module may be understood with reference to the description of the method embodiment, which is not described herein again.
The computer-readable storage medium of this embodiment includes, but is not limited to: ROM, RAM, magnetic or optical disks, and the like.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized in a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a memory device and executed by a computing device, and in some cases, the steps shown or described may be executed out of order, or separately as individual integrated circuit modules, or multiple modules or steps thereof may be implemented as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; however, these modifications or alternative technical solutions of the embodiments of the present invention do not depart from the scope of the present invention.
Claims (10)
1. A SIM card switching system is characterized by comprising,
a circuit module and a communication module integrated by a plurality of SIM cards,
the communication module is connected with the base station and used for judging whether the network connection between the current communication module and the base station is available according to the selected internet access strategy, and if the network connection is unavailable, sending an SIM card switching instruction to the circuit module integrated by a plurality of SIM cards;
and the circuit module integrated with the plurality of SIM cards is connected with the communication module and used for receiving the SIM card switching instruction sent by the communication module and switching to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module.
2. The system of claim 1, wherein the communication module is specifically configured to: and judging whether the network connection between the current communication module and the base station is available according to the optimal strategy of the SIM card signals, if not, sending an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards, wherein the optimal strategy of the SIM card signals is to implant an SDK (software development kit) into the terminal equipment to obtain the network parameters of the equipment and evaluate and obtain the network parameters through an algorithm.
3. The system of claim 1, wherein the communication module is specifically configured to: and judging whether the network connection between the current communication module and the base station is available according to a minimum time delay strategy, and if the network connection is unavailable, sending an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards.
4. The system of claim 1, wherein the circuit module integrated with multiple SIM cards comprises multiple SIM cards connected to the MCU, one of the multiple SIM cards is used for communicating with the MCU,
and the MCU is connected with the communication module and used for receiving the SIM card switching instruction sent by the communication module and switching the SIM card to communicate with the communication module according to the instruction.
5. The system of claim 4, wherein the plurality of SIM cards comprises: the SIM card comprises a mobile SIM card, a Unicom SIM card and a telecom SIM card.
6. A method for switching SIM cards is characterized by comprising the following steps:
s1, the communication module judges whether the network connection between the current communication module and the base station is available according to the selected internet access strategy, if not, the communication module sends an SIM card switching instruction to the circuit module integrated by a plurality of SIM cards;
and S2, the circuit module integrated by the plurality of SIM cards receives the SIM card switching instruction sent by the communication module and switches to the appointed SIM card according to the SIM card switching instruction to communicate with the communication module.
7. The method according to claim 6, wherein the S1 specifically includes: the communication module judges whether the network connection between the current communication module and the base station is available according to the SIM card signal optimal strategy, if the network connection is unavailable, the communication module sends an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards, wherein the SIM card signal optimal strategy is obtained by implanting SDK into the terminal equipment, acquiring the network parameters of the equipment and evaluating through an algorithm.
8. The method according to claim 6, wherein the S1 specifically includes: and judging whether the network connection between the current communication module and the base station is available according to a minimum time delay strategy, and if the network connection is unavailable, sending an SIM card switching instruction to a circuit module integrated by a plurality of SIM cards.
9. The method according to claim 6, wherein the S2 specifically includes:
one of the plurality of SIM cards is communicated with the MCU, and the MCU receives the SIM card switching instruction sent by the communication module and switches the SIM card to communicate with the communication module according to the instruction.
10. The method of claim 9, wherein one of the plurality of SIM cards communicates with the MCU, and the receiving of the SIM card switching command from the communication module and the switching of the SIM card to communicate with the communication module according to the command by the MCU specifically comprises: one of the mobile SIM card, the communication SIM card and the telecommunication SIM card is communicated with the MCU, and the MCU receives an SIM card switching instruction sent by the communication module and switches the SIM card to communicate with the communication module according to the instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434541.XA CN114630385A (en) | 2022-04-24 | 2022-04-24 | SIM card switching system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210434541.XA CN114630385A (en) | 2022-04-24 | 2022-04-24 | SIM card switching system and method |
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| CN114630385A true CN114630385A (en) | 2022-06-14 |
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| CN202210434541.XA Pending CN114630385A (en) | 2022-04-24 | 2022-04-24 | SIM card switching system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115580314A (en) * | 2022-09-22 | 2023-01-06 | 北京中元易尚科技有限公司 | Multi-network switched SIM device |
| CN116709458A (en) * | 2023-08-02 | 2023-09-05 | 北京中元易尚科技有限公司 | High-reliability integrated circuit based on automatic card cutting and card cutting control method |
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| US20180014239A1 (en) * | 2015-12-23 | 2018-01-11 | Pismo Labs Technology Limited | Methods and systems for selecting sim card |
| CN111278075A (en) * | 2020-01-21 | 2020-06-12 | 威胜信息技术股份有限公司 | SIM card switching method, system and terminal equipment |
| WO2021052482A1 (en) * | 2019-09-19 | 2021-03-25 | 华为技术有限公司 | Method and apparatus for switching sim card, and electronic device |
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Patent Citations (5)
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| CN104796957A (en) * | 2015-05-13 | 2015-07-22 | 展讯通信（上海）有限公司 | Multi-card multi-standby mobile terminal as well as user identification card switching method and user identification card switching device thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115580314A (en) * | 2022-09-22 | 2023-01-06 | 北京中元易尚科技有限公司 | Multi-network switched SIM device |
| CN116709458A (en) * | 2023-08-02 | 2023-09-05 | 北京中元易尚科技有限公司 | High-reliability integrated circuit based on automatic card cutting and card cutting control method |
| CN116709458B (en) * | 2023-08-02 | 2023-10-20 | 北京中元易尚科技有限公司 | High-reliability integrated circuit based on automatic card cutting and card cutting control method |
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Application publication date: 20220614 |