CN102572988A - Subscriber identity module switching method, device and communication equipment - Google Patents
Subscriber identity module switching method, device and communication equipment Download PDFInfo
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- CN102572988A CN102572988A CN2012100363805A CN201210036380A CN102572988A CN 102572988 A CN102572988 A CN 102572988A CN 2012100363805 A CN2012100363805 A CN 2012100363805A CN 201210036380 A CN201210036380 A CN 201210036380A CN 102572988 A CN102572988 A CN 102572988A
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Abstract
The invention provides a subscriber identity module switching method, a subscriber identity module switching device and communication equipment. The subscriber identity module switching method comprises the following steps of: performing hot switching operation or hot swapping operation on a main subscriber identity module; performing network separation operation on the main subscriber identity module to disable a control signal of the main subscriber identity module and enable a control signal of a backup subscriber identity module; reading information stored by the backup subscriber identity module, and performing network registration on the backup subscriber identity module according to the information stored by the backup subscriber identity module; and transmitting and receiving data by using a modem in a network in which the backup subscriber identity module is registered. The hot switching operation and the hot swapping operation over the subscriber identity modules can be realized, so that the connectivity of a service can be ensured.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of subscriber identification module changing method, device and communication equipment.
Background technology
Subscriber identification module (Subscriber Identity Module; Hereinafter to be referred as: SIM) card is also referred to as smart card or subscriber identification card, global system for mobile communications (Global System of Mobile communication; Hereinafter to be referred as: GSM) digital mobile telephone must be loaded onto this card and can use.SIM has been stored digital mobile phone client's information on a computer chip, encrypted secret key and user's contents such as telephone directory can supply GSM network client identity to differentiate, and the voice messaging the when client conversed is encrypted.
SIM generally is used for mobile phone, but along with 3G (Third Generation) Moblie (3rd Generation; Hereinafter to be referred as: the 3G) appearance of card of surfing Internet, SIM also can use in the 3G card of surfing Internet.The SIM seat is the fixing device of SIM, and the related hardware functions such as read-write of SIM are provided.
Subscriber identification module (User Identity Model; Hereinafter to be referred as: UIM) card is to be applied in code division multiple access (Code Division Multiple Access; Hereinafter to be referred as: CDMA) a kind of smart card of mobile phone, can insert corresponding second generation mobile communication (2nd Generation; Hereinafter to be referred as: 2G) mobile phone is to use the mobile phone service.
According to UIM card standard; The UIM card of cdma system will adopt the physical structure identical with gsm system, electric property and logic interfacing, and will be on the basis of SIM, according to the requirement of cdma system; Increase relevant parameter and order, to realize the function of cdma system.In other words, the UIM card is appreciated that to being the function expansion that SIM is directed against cdma system.
The UIM deck has identical physical dimension with the SIM seat, so also can insert the UIM card on the SIM seat.
The 3G card of surfing Internet is the widely used online medium of present wireless wide-area communication network.In the prior art, the 3G card of surfing Internet can adopt miniature quick peripheral component interconnect (Mini Peripheral Component Interconnect Express; Hereinafter to be referred as: MiniPCIe) the 3G modulator-demodulator of interface (3G Modem).This 3G Modem mainly uses in notebook and router device.
In the 3G router; The corresponding SIM (or UIM card) of 3G modem is when SIM (or UIM card) can't operate as normal, for example: SIM (or UIM card) arrearage or when shutting down; The 3G function of 3G router can't be used; All business will be interrupted, and charged renewal SIM (or UIM card) just can make business recovery under needing, and can not realize the hot-swap of SIM (or UIM card).And in the 3G router, switch between the 3G network of different systems if desired, charged renewal SIM (or UIM card) could be realized under needing equally, can not realize the hot-swap of the 3G network of different systems.
Summary of the invention
The present invention provides a kind of subscriber identification module changing method, device and communication equipment, to realize that subscriber identification module is carried out hot-swap and hot-swappable operation.
One aspect of the present invention provides a kind of subscriber identification module changing method, comprising:
Confirm main subscriber identification module is carried out hot-swap operation or hot-swappable operation;
Said main subscriber identification module is carried out the network detach operation, go to enable the control signal of said main subscriber identification module, and enable to back up the control signal of subscriber identification module;
Read the information that said backup subscriber identification module is preserved, said backup subscriber identification module is carried out network registry according to the information that said backup subscriber identification module is preserved;
Modulator-demodulator transceive data through said backup subscriber identification module institute registered network.
The present invention provides a kind of subscriber identification module switching device shifter on the other hand, comprising:
Determination module is used for confirming main subscriber identification module is carried out hot-swap operation or hot-swappable operation;
The network detach module is carried out the network detach operation to said main subscriber identification module;
Enable module is used to enable the control signal of said main subscriber identification module, and enables to back up the control signal of subscriber identification module;
Registering modules is used to read the information that said backup subscriber identification module is preserved, and according to the information that said backup subscriber identification module is preserved said backup subscriber identification module is carried out network registry;
Data transmit-receive module is used for the modulator-demodulator transceive data through said backup subscriber identification module institute registered network.
Another aspect of the invention provides a kind of communication equipment, comprises at least two subscriber identification modules and aforesaid subscriber identification module switching device shifter.
The technique effect of one aspect of the present invention is: after confirming that main subscriber identification module carried out hot-swap operation or hot-swappable operation; This main subscriber identification module is carried out the network detach operation; Go to enable the control signal of above-mentioned main subscriber identification module; And enable to back up the control signal of subscriber identification module; Read the information that the backup subscriber identification module is preserved, carry out network registry to backing up subscriber identification module, at last the modulator-demodulator transceive data through above-mentioned backup subscriber identification module institute registered network according to the information that this backup subscriber identification module is preserved.Thereby can work as main subscriber identification module arrearage, shut down, break down or main subscriber identification module institute registered network takes place when unusual; Need not interrupt current business; Can carry out the hot-swap of main subscriber identification module and backup identification module automatically; Through backup subscriber identification module transceive data, thereby can guarantee professional continuity.In addition; If adopt the 3G modem of bimodulus; And the network of above-mentioned main subscriber identification module and the registration of above-mentioned backup identification module is respectively the 3G network of different systems; Then under the not electric down situation of system, can carry out hot-swap, realize the hot-swap of the 3G network of different systems above-mentioned main subscriber identification module and above-mentioned backup identification module.
The present invention's technique effect on the other hand is: after determination module is confirmed main subscriber identification module carried out hot-swap operation or hot-swappable operation; The network detach module is carried out the network detach operation to this main subscriber identification module; Enable module goes to enable the control signal of main subscriber identification module, and enables to back up the control signal of subscriber identification module; Registering modules reads the information that above-mentioned backup subscriber identification module is preserved; Information according to this backup subscriber identification module is preserved is carried out network registry to the backup subscriber identification module, and the final data transceiver module is through the modulator-demodulator transceive data of above-mentioned backup subscriber identification module institute registered network.Thereby can work as main subscriber identification module arrearage, shut down, break down or main subscriber identification module institute registered network takes place when unusual; Need not interrupt current business; Can carry out the hot-swap of main subscriber identification module and backup identification module automatically; Through backup subscriber identification module transceive data, thereby can guarantee professional continuity.In addition; If adopt the 3G modem of bimodulus; And the network of above-mentioned main subscriber identification module and the registration of above-mentioned backup identification module is respectively the 3G network of different systems; Then under the not electric down situation of system, can carry out hot-swap, realize the hot-swap of the 3G network of different systems above-mentioned main subscriber identification module and above-mentioned backup identification module.
Description of drawings
Fig. 1 is the flow chart of an embodiment of subscriber identification module changing method of the present invention;
Fig. 2 is the flow chart of another embodiment of subscriber identification module changing method of the present invention;
Fig. 3 is the flow chart of another embodiment of subscriber identification module changing method of the present invention;
Fig. 4 is the structural representation of an embodiment of subscriber identification module switching device shifter of the present invention;
Fig. 5 is the structural representation of another embodiment of subscriber identification module switching device shifter of the present invention;
Fig. 6 is the structural representation of another embodiment of subscriber identification module switching device shifter of the present invention.
Embodiment
Fig. 1 is the flow chart of an embodiment of subscriber identification module changing method of the present invention, and as shown in Figure 1, this subscriber identification module changing method can comprise:
Step 101 is confirmed main subscriber identification module is carried out hot-swap operation or hot-swappable operation.
Step 102 is carried out the network detach operation to main subscriber identification module, goes to enable the control signal of above-mentioned main subscriber identification module, and enables to back up the control signal of subscriber identification module.
Step 103 reads the information that the backup subscriber identification module is preserved, and according to the information that this backup subscriber identification module is preserved above-mentioned backup subscriber identification module is carried out network registry.
Wherein, subscriber identification module has been stored digital mobile phone client's information, encrypted secret key and user's contents such as telephone directory on a computer chip.
Step 104 is through the modulator-demodulator transceive data of above-mentioned backup subscriber identification module institute registered network.
In the present embodiment; Confirm to main subscriber identification module carry out the hot-swap operation can for: main subscriber identification module is detected; Judge whether this main subscriber identification module takes place unusually, if then confirm above-mentioned main subscriber identification module is carried out the hot-swap operation; Wherein, main subscriber identification module takes place to comprise unusually: the remaining cost of main subscriber identification module is lower than first preset value, and perhaps main subscriber identification module breaks down, and perhaps main subscriber identification module institute registered network takes place unusual.Wherein, above-mentioned first preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of first preset value.
In the present embodiment; Confirm to main subscriber identification module carry out hot-swappable operation can for: receive after the hot-swappable interrupt instruction; Detect whether main subscriber identification module is carried out hot-swappable operation, if then confirm main subscriber identification module is carried out hot-swappable operation.Further, if not main subscriber identification module is carried out hot-swappable operation, then point out the subscriber identification module of directly treating plug to carry out hot-swappable operation.
Particularly, can adopt following mode to detect and whether main subscriber identification module carried out hot-swappable operation:
(1) on hardware circuit, specifying a groove position is main subscriber identification module groove, corresponding main subscriber identification module;
(2) before carrying out hot-swappable operation, letting the user specify is that main subscriber identification module is carried out hot-swappable operation, still the backup subscriber identification module is carried out hot-swappable operation;
(3) obtain above-mentioned user appointed information through automatic detection, determine whether main subscriber identification module is carried out hot-swappable operation.
In the present embodiment; Before the modulator-demodulator transceive data through backup subscriber identification module institute registered network; Can also confirm earlier that the backup subscriber identification module does not take place unusually, wherein, the backup subscriber identification module does not take place to comprise unusually: the remaining cost of backup subscriber identification module is more than or equal to second preset value; This backup subscriber identification module does not break down, and this backup subscriber identification module institute registered network does not take place unusually.Wherein, above-mentioned second preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of second preset value.
In the present embodiment, if confirm main subscriber identification module is carried out hot-swappable operation, after definite backup subscriber identification module did not take place unusually, prompting can be carried out hot-swappable operation to above-mentioned main subscriber identification module.
Subscriber identification module in the present embodiment can be SIM or UIM card, and present embodiment does not limit this, but all is that SIM is that example describes with the subscriber identification module in the description of following examples of the present invention.
The present invention's method that provides embodiment illustrated in fig. 1 can be applicable in the communication equipment with at least two SIMs, and above-mentioned communication equipment can be router, switch, PC (Personal Computer; Hereinafter to be referred as: PC), notebook computer or personal digital assistant (Personal Digital Assistant; Hereinafter to be referred as: PDA) etc.
When main SIM arrearage, shutdown, main SIM in the above-mentioned communication equipment break down or main SIM institute registered network takes place when unusual; The present invention's method that provides embodiment illustrated in fig. 1 need not interrupted the business of this communication equipment; Can carry out the hot-swap of main SIM and backup of SIM card automatically; Make above-mentioned communication equipment can pass through the backup of SIM card transceive data, thereby can guarantee the continuity that above-mentioned communication equipment is professional.
In addition; If above-mentioned communication equipment adopts the 3G modem of bimodulus; And the network of at least two SIM registrations in this communication equipment is respectively the 3G network of different systems; Then under the not electric down situation of system, adopt the present invention's method that provides embodiment illustrated in fig. 1 that at least two SIMs in this communication equipment are carried out hot-swap, can realize the hot-swap of the 3G network of different systems.
In addition,,, then need not descend electricity, directly carry out hot-swappable getting final product if need carry out hot-swappable operation to the backup of SIM card in the above-mentioned communication equipment through the present invention's method that provides embodiment illustrated in fig. 1; If need carry out hot-swappable operation to the main SIM in the above-mentioned communication equipment; Then can carry out active and standby switching earlier, make communication equipment pass through the backup of SIM card transceive data, need not descend equally then; Can carry out hot-swappable operation to main SIM; And owing to carried out active and standby switching earlier, therefore business that can interrupt communication equipment can guarantee the continuity that communication equipment is professional.
Fig. 2 is the flow chart of another embodiment of subscriber identification module changing method of the present invention, and present embodiment describes the process that SIM A in the communication equipment and SIM B carry out hot-swap.
As shown in Figure 2, this subscriber identification module changing method can comprise:
Particularly, control signal that can pre-configured SIM A is a high level, and the control signal of SIM B is a low level; After powering on like this; Because the control signal of SIM A is higher than the control signal of SIM B, therefore can confirm that SIM A is main SIM, SIM B is a backup of SIM card.
Wherein, SIM has been stored digital mobile phone client's information, encrypted secret key and user's contents such as telephone directory on a computer chip.
In the present embodiment, SIM A take place unusually can for: the remaining cost of SIM A is lower than first preset value, and perhaps SIM A breaks down, and perhaps SIM A institute registered network takes place unusual; Otherwise, SIM A do not take place unusually can for: the remaining cost of SIM A is more than or equal to first preset value, and SIM A does not break down, and SIM A institute registered network does not take place unusually.
Wherein, above-mentioned first preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of first preset value.
Particularly, to SIM A detect can for: through AT order SIM A is inquired about, whether takes place unusually to judge SIM A.Wherein, AT is the abbreviation of Attention, and the AT order is a kind of Modem commands language.
In the present embodiment, can regularly or periodically detect SIM A.
Step 205 is through the modulator-demodulator transceive data of SIM A institute registered network, system's operate as normal.Return execution in step 204 then.
Step 206 is carried out the network detach operation to SIM A, stops using SIM A.
In addition, can unusual incident take place to SIM A points out.For instance, suppose that the remaining cost of SIM A is lower than first preset value, then can send the arrearage warning information, prompting need be supplemented with money SIM.
Step 207, the control signal of removing to enable SIM A enables the control signal of SIM B.
Step 208, the information that reading SIM card B preserves is carried out network registry according to the information that SIM B preserves.
In the present embodiment, the network of SIM A registration can be second generation mobile communication (2nd Generation; Hereinafter to be referred as: 2G) network or 3G network, the network of same SIM B registration also can be 2G network or 3G network.In addition, SIM A can be the 3G network of identical standard or different systems with the network of SIM B registration, and for example: the network of SIM A registration can be WCDMA (Wideband Code Division Multiple Access; Hereinafter to be referred as: WCDMA) network, the network of SIM B registration can be TD SDMA (Time Division-Synchronous Code Division Multiple Access; Hereinafter to be referred as: TD-SCDMA) network; Perhaps, the network of SIM A and SIM B registration all can be the WCDMA network.
In the present embodiment, SIM B take place unusually can for: the remaining cost of SIM B is lower than second preset value, and perhaps SIM B breaks down, and perhaps SIM B institute registered network takes place unusual; Otherwise, SIM B do not take place unusually can for: the remaining cost of SIM B is more than or equal to second preset value, and SIM B does not break down, and SIM B institute registered network does not take place unusually.
Wherein, above-mentioned second preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of second preset value.
Particularly, to SIM B detect can for: through AT order SIM B is inquired about, whether takes place unusually to judge SIM B.
Unusual incident all takes place to SIM A and SIM B and points out in step 210.
In the present embodiment, if SIM A and SIM B all take place unusually this hot-swap operation failure to be described then.
Step 211 is through the modulator-demodulator transceive data of SIM B institute registered network, system's operate as normal.
In the process of the modulator-demodulator transceive data of passing through SIM B institute registered network; Can regularly or periodically detect, judge whether SIM B takes place unusually, if it is unusual to find that SIM B takes place SIM B; Then can carry out hot-swap once more, SIM B is switched to SIM A.Wherein, it is similar that SIM B is switched to the process that process and step 206～step 211 of SIM A describes, and repeats no more at this.
The foregoing description can be implemented in after the SIM A generation unusually, carries out hot-swap, thereby can guarantee professional continuity.
Fig. 3 is the flow chart of another embodiment of subscriber identification module changing method of the present invention, and present embodiment carries out hot-swappable process to SIM A in the communication equipment or SIM B and describes.
As shown in Figure 3, this subscriber identification module changing method can comprise:
Step 301, system's operate as normal.
In the present embodiment, suppose that SIM A is main SIM, during the system operate as normal, through the modulator-demodulator transceive data of SIM A registered network.
Step 302 receives hot-swappable interrupt instruction.
Step 303 detects whether SIM A is carried out hot-swappable operation.If then execution in step 305, if not SIM A is carried out hot-swappable operation, then execution in step 304.
Particularly, whether detect to SIM A carry out hot-swappable operation can for:
1, on hardware circuit, specifying a groove position is main sim card slot, corresponding main SIM, and for example: A groove position, promptly A groove position is the corresponding groove position of SIM A, supposes that B groove position is the corresponding groove position of SIM B.
2, before carrying out hot-swappable operation, let the user must specify or carry out hot-swappable the corresponding SIM in B groove position to A groove position.
3, obtain above-mentioned user appointed information through automatic detection, determine whether SIM A is carried out hot-swappable operation.
Step 304, the SIM that plug is directly treated in prompting carries out hot-swappable operation.
In the present embodiment, the above-mentioned SIM of plug of treating can be SIM B.
Step 305, prompting prepares to switch to SIM B.
Step 306 is carried out the network detach operation to SIM A, stops using SIM A.
Step 307, the control signal of removing to enable SIM A enables the control signal of SIM B.
Step 308, the information that reading SIM card B preserves is carried out network registry according to the information that SIM B preserves.
Step 309, B detects to SIM, judges whether SIM B takes place unusually, if then execution in step 310, if confirm that SIM B does not take place unusually, then execution in step 311.
In the present embodiment, SIM B take place unusually can for: the remaining cost of SIM B is lower than second preset value, and perhaps SIM B breaks down, and perhaps SIM B institute registered network takes place unusual; Otherwise, SIM B do not take place unusually can for: the remaining cost of SIM B is more than or equal to second preset value, and SIM B does not break down, and SIM B institute registered network does not take place unusually.
Wherein, above-mentioned second preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of second preset value.
Particularly, to SIM B detect can for: through AT order SIM B is inquired about, whether takes place unusually to judge SIM B.
Unusual incident all takes place to SIM A and SIM B and points out in step 310.
In the present embodiment, if SIM A and SIM B all take place unusually this hot-swappable operation failure to be described then.
Step 311, prompting can be carried out hot-swappable operation to SIM A, returns execution in step 301.
The foregoing description can be realized SIM is carried out hot-swappable, thereby can guarantee professional continuity.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each method embodiment can be accomplished through the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program the step that comprises above-mentioned each method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 4 is the structural representation of an embodiment of subscriber identification module switching device shifter of the present invention, and the subscriber identification module switching device shifter in the present embodiment can be used as communication equipment, or the part of communication equipment realizes the present invention's flow process embodiment illustrated in fig. 1.As shown in Figure 4, this subscriber identification module comprises: determination module 41, network detach module 42, enable module 43, Registering modules 44 and data transmit-receive module 45;
Wherein, determination module 41 is used for confirming main subscriber identification module is carried out hot-swap operation or hot-swappable operation.
Network detach module 42 is used for main subscriber identification module is carried out the network detach operation.
Enable module 43 is used to enable the control signal of above-mentioned main subscriber identification module, and enables to back up the control signal of subscriber identification module.
Registering modules 44 is used to read the information that the backup subscriber identification module is preserved, and according to the information that above-mentioned backup subscriber identification module is preserved this backup subscriber identification module is carried out network registry.
Data transmit-receive module 45 is used for the modulator-demodulator transceive data through backup subscriber identification module institute registered network.
Particularly, determination module 41 can detect main subscriber identification module, judges whether this main subscriber identification module takes place unusually, if then confirm above-mentioned main subscriber identification module is carried out the hot-swap operation; Wherein, above-mentioned main subscriber identification module takes place to comprise that unusually the remaining cost of main subscriber identification module is lower than first preset value, and perhaps main subscriber identification module breaks down, and perhaps main subscriber identification module institute registered network takes place unusual.Wherein, above-mentioned first preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of first preset value.
Particularly, determination module 41 can detect whether main subscriber identification module is carried out hot-swappable operation after receiving hot-swappable interrupt instruction, if then confirm main subscriber identification module is carried out hot-swappable operation.
Communication equipment in the present embodiment has at least two SIMs, and this communication equipment can be router, switch, PC, notebook computer or PDA etc.
In the foregoing description; After determination module 41 is confirmed main subscriber identification module carried out hot-swap operation or hot-swappable operation; 42 pairs of these main subscriber identification modules of network detach module are carried out the network detach operation; Enable module 43 goes to enable the control signal of main subscriber identification module, and enables to back up the control signal of subscriber identification module; Registering modules 44 reads the information that above-mentioned backup subscriber identification module is preserved; Information according to this backup subscriber identification module is preserved is carried out network registry to the backup subscriber identification module, and final data transceiver module 45 is through the modulator-demodulator transceive data of above-mentioned backup subscriber identification module institute registered network.Thereby can work as main subscriber identification module arrearage, shut down, break down or main subscriber identification module institute registered network takes place when unusual; Need not interrupt current business; Can carry out the hot-swap of main subscriber identification module and backup identification module automatically; Through backup subscriber identification module transceive data, thereby can guarantee professional continuity.In addition; If adopt the 3G modem of bimodulus; And the network of above-mentioned main subscriber identification module and the registration of above-mentioned backup identification module is respectively the 3G network of different systems; Then under the not electric down situation of system, can carry out hot-swap, realize the hot-swap of the 3G network of different systems above-mentioned main subscriber identification module and above-mentioned backup identification module.
Fig. 5 compares with subscriber identification module switching device shifter shown in Figure 4 for the structural representation of another embodiment of subscriber identification module switching device shifter of the present invention, and difference is that the subscriber identification module switching device shifter in the present embodiment can also comprise:
First reminding module 46 is used for confirming it is not when main subscriber identification module is carried out hot-swappable operation when determination module 41 that prompting is directly treated the subscriber identification module of plug and carried out hot-swappable operation.
Further, in the present embodiment, determination module 41 can also be confirmed to back up subscriber identification module and not take place unusually; Wherein, the backup subscriber identification module do not take place unusually can for the remaining cost of backup subscriber identification module more than or equal to second preset value, the backup subscriber identification module does not break down, and backup subscriber identification module institute registered network does not take place unusually.Wherein, above-mentioned second preset value can be for more than or equal to arbitrary numerical value of 0, and present embodiment does not limit the size of second preset value.
In the present embodiment, above-mentioned subscriber identification module switching device shifter can also comprise:
Second reminding module 47 is used for when determination module 41 confirms that main subscriber identification module carried out hot-swappable operation, determination module 41 confirm said backup subscriber identification modules do not take place unusual after, point out main subscriber identification module carried out hot-swappable operation.
Above-mentioned subscriber identification module switching device shifter can work as main subscriber identification module arrearage, shut down, break down or main subscriber identification module institute registered network takes place when unusual; Need not interrupt current business; Can carry out the hot-swap of main subscriber identification module and backup identification module automatically; Through backup subscriber identification module transceive data, thereby can guarantee professional continuity.In addition; If adopt the 3G modem of bimodulus; And the network of above-mentioned main subscriber identification module and the registration of above-mentioned backup identification module is respectively the 3G network of different systems; Then under the not electric down situation of system, can carry out hot-swap, realize the hot-swap of the 3G network of different systems above-mentioned main subscriber identification module and above-mentioned backup identification module.
Fig. 6 is the structural representation of another embodiment of subscriber identification module switching device shifter of the present invention, and as shown in Figure 6, this subscriber identification module switching device shifter can comprise: CPU (Central Processing Unit; Hereinafter to be referred as: CPU) 61, programmable logic device 62, modulator-demodulator 63, switching circuit 64, the socket 65 of SIM A and the socket 66 of SIM B.
In the present embodiment, suppose that SIM A is main SIM, SIM B is a backup of SIM card.
Wherein, CPU 61, are used for confirming SIM A is carried out hot-swap operation or hot-swappable operation, through modulator-demodulator 63 transceive data.CPU 61 in the present embodiment can accomplish the function of Fig. 4 of the present invention or middle determination module 41 embodiment illustrated in fig. 5 and data transmit-receive module 45.Particularly, on the hardware, the data transmit-receive between CPU 61 and the modulator-demodulator 63 can pass through USB (Universal Serial Bus; Hereinafter to be referred as: USB), for example USB2.0 accomplishes.On the software, can constitute 2 serial ports passages between CPU 61 and the modulator-demodulator 63; Wherein, passage 0, CPU 61 inquires about the state of modulator-demodulator 63 through the AT order, and passes through AT order management modulator-demodulator 63; Passage 1, CPU 61 carries out data transmit-receive work through asynchronous serial interface and modulator-demodulator 63.
Modulator-demodulator 63 is used for the information that reading SIM card B preserves, and according to the information that above-mentioned SIM B preserves this SIM B is carried out network registry.Modulator-demodulator 63 in the present embodiment can be realized the function of Fig. 4 of the present invention or middle Registering modules 44 embodiment illustrated in fig. 5.
In the present embodiment, modulator-demodulator 63 can be 3G modem.Modulator-demodulator 63 in the present embodiment has two functional circuits, and one is the SIM interface circuit, one be usb circuit (for example: the USB2.0 interface circuit).Wherein, the SIM interface circuit is used for communicating by letter between modulator-demodulator 63 and the SIM (for example: SIM A or SIM B), uses current main SIM to carry out network registry, realizes the network access authentication function, and 4 main signals are arranged:
SIM_CLK is a clock signal, and SIM_DATA is a data-signal, and SIM_RESET is a reset signal; SIM_PWR is a power supply signal, is used for supplying power to SIM.
Usb circuit is used for the transfer of data between modulator-demodulator 63 and the CPU 61; The data that CPU 61 is needed to send are transmitted to modulator-demodulator 63 through USB; And then convert into through modulator-demodulator 63 and to meet current main SIM, for example the data of SIM A institute registered network standard send.
There are two kinds of situation, respectively explanation:
(1) when the OE_UIM_A signal be high, the OE_UIM_B signal is when low:
SIM_PWR=SIM_PWR_A, this moment, SIM_PWR_B was a no-voltage, SIM B can't work; At this moment, SIM_DATA=SIM_DATA_A;
SIM_CLK＝SIM_CLK_A；
SIM_RESET＝SIM_RESET_A。
That is to say that at this moment 4 of modulator-demodulator 63 holding wires all are connected on the SIM A.
(2) when the OE_UIM_B signal be high, the OE_UIM_A signal is when low:
SIM_PWR=SIM_PWR_B, this moment, SIM_PWR_A was a no-voltage, SIM A can't work; At this moment, SIM_DATA=SIM_DATA_B;
SIM_CLK＝SIM_CLK_B；
SIM_RESET＝SIM_RESET_B。
That is to say that at this moment 4 of modulator-demodulator 63 holding wires all are connected on the SIM B.
In the present embodiment, switching circuit 64 can only carry out 1 to data and control signal and select 2 circuit functions, power supply (Power; Hereinafter to be referred as: PWR) signal then need be used metal-oxide half field effect transistor (Metal Oxide Semiconductor Field Effect Transistor; Hereinafter to be referred as: MOSFET) control.
In the present embodiment, MOSFET Q_A and Q_B are respectively the switching devices that the PWR signal is provided to SIM A and SIM B, only need apply positive voltage at the grid of Q_A and Q_B, can realize the conducting of power supply (PWR).
Above-mentioned subscriber identification module switching device shifter can work as main subscriber identification module arrearage, shut down, break down or main subscriber identification module institute registered network takes place when unusual; Need not interrupt current business; Can carry out the hot-swap of main subscriber identification module and backup identification module automatically; Through backup subscriber identification module transceive data, thereby can guarantee professional continuity.In addition; If adopt the 3G modem of bimodulus; And the network of above-mentioned main subscriber identification module and the registration of above-mentioned backup identification module is respectively the 3G network of different systems; Then under the not electric down situation of system, can carry out hot-swap, realize the hot-swap of the 3G network of different systems above-mentioned main subscriber identification module and above-mentioned backup identification module.
The present invention also provides a kind of communication equipment, and this communication equipment comprises at least two subscriber identification modules and Fig. 4 of the present invention～subscriber identification module switching device shifter that provides embodiment illustrated in fig. 6.This communication equipment can be router, switch, PC, notebook computer or PDA etc.
Prior art, the 3G router can only be provided with a SIM card, if this SIM is in the arrearage state, will cause the 3G function of surfing the Net of router to lose efficacy, and can't solve immediately.And adopt method provided by the invention, device and communication equipment, and can need not human intervention, the active and standby SIM that automaticallyes switch has SIM redundancy backup function.In the time of can also being implemented in simultaneously system equipment work, SIM is carried out hot-swappable operation.Can also select the 3G modem of bimodulus in addition, under the not electric down situation of system,, realize the hot-swap of 3G network through the hot-swap of SIM.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (13)
1. a subscriber identification module changing method is characterized in that, comprising:
Confirm main subscriber identification module is carried out hot-swap operation or hot-swappable operation;
Said main subscriber identification module is carried out the network detach operation, go to enable the control signal of said main subscriber identification module, and enable to back up the control signal of subscriber identification module;
Read the information that said backup subscriber identification module is preserved, said backup subscriber identification module is carried out network registry according to the information that said backup subscriber identification module is preserved;
Modulator-demodulator transceive data through said backup subscriber identification module institute registered network.
2. method according to claim 1 is characterized in that, saidly confirms that main subscriber identification module is carried out the hot-swap operation to be comprised:
Said main subscriber identification module is detected, judge whether said main subscriber identification module takes place unusually;
If then confirm said main subscriber identification module is carried out the hot-swap operation;
Said main subscriber identification module takes place to comprise that unusually the remaining cost of said main subscriber identification module is lower than first preset value, and perhaps said main subscriber identification module breaks down, and perhaps said main subscriber identification module institute registered network takes place unusual.
3. method according to claim 1 is characterized in that, saidly confirms that main subscriber identification module is carried out hot-swappable operation to be comprised:
Receive after the hot-swappable interrupt instruction, detect whether main subscriber identification module is carried out hot-swappable operation, if then confirm said main subscriber identification module is carried out hot-swappable operation.
4. method according to claim 3 is characterized in that, also comprises:
If not said main subscriber identification module is carried out hot-swappable operation, then point out the subscriber identification module of directly treating plug to carry out hot-swappable operation.
5. according to any described method of claim 1-4, it is characterized in that, before the said modulator-demodulator transceive data, also comprise through said backup subscriber identification module institute registered network:
Confirm that said backup subscriber identification module does not take place unusually;
Said backup subscriber identification module does not take place to comprise unusually: the remaining cost of said backup subscriber identification module is more than or equal to second preset value; Said backup subscriber identification module does not break down, and said backup subscriber identification module institute registered network does not take place unusually.
6. method according to claim 5 is characterized in that, also comprises:
If confirm main subscriber identification module is carried out hot-swappable operation, confirm said backup subscriber identification module do not take place unusual after, prompting is carried out hot-swappable operation to said main subscriber identification module.
7. a subscriber identification module switching device shifter is characterized in that, comprising:
Determination module is used for confirming main subscriber identification module is carried out hot-swap operation or hot-swappable operation;
The network detach module is used for said main subscriber identification module is carried out the network detach operation;
Enable module is used to enable the control signal of said main subscriber identification module, and enables to back up the control signal of subscriber identification module;
Registering modules is used to read the information that said backup subscriber identification module is preserved, and according to the information that said backup subscriber identification module is preserved said backup subscriber identification module is carried out network registry;
Data transmit-receive module is used for the modulator-demodulator transceive data through said backup subscriber identification module institute registered network.
8. device according to claim 7 is characterized in that,
Said determination module specifically is used for said main subscriber identification module is detected, and judges whether said main subscriber identification module takes place unusually, if then confirm said main subscriber identification module is carried out the hot-swap operation;
Said main subscriber identification module takes place to comprise that unusually the remaining cost of said main subscriber identification module is lower than first preset value, and perhaps said main subscriber identification module breaks down, and perhaps said main subscriber identification module institute registered network takes place unusual.
9. device according to claim 7 is characterized in that,
Said determination module specifically is used to receive after the hot-swappable interrupt instruction, detects whether main subscriber identification module is carried out hot-swappable operation, if then confirm said main subscriber identification module is carried out hot-swappable operation.
10. device according to claim 9 is characterized in that, also comprises:
First reminding module is used for confirming it is not when said main subscriber identification module is carried out hot-swappable operation when said determination module that prompting is directly treated the subscriber identification module of plug and carried out hot-swappable operation.
11. according to any described device of claim 7-10, it is characterized in that,
Said determination module is used for also confirming that said backup subscriber identification module does not take place unusually; Said backup subscriber identification module does not take place to comprise unusually: the remaining cost of said backup subscriber identification module is more than or equal to second preset value; Said backup subscriber identification module does not break down, and said backup subscriber identification module institute registered network does not take place unusually.
12. device according to claim 11 is characterized in that, also comprises:
Second reminding module; Be used for when said determination module confirms that main subscriber identification module carried out hot-swappable operation; After said determination module confirmed that said backup subscriber identification module does not take place unusually, prompting was carried out hot-swappable operation to said main subscriber identification module.
13. a communication equipment is characterized in that, comprises at least two subscriber identification modules and like any described subscriber identification module switching device shifter of claim 7-12.
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| CN2012100363805A CN102572988A (en) | 2012-02-16 | 2012-02-16 | Subscriber identity module switching method, device and communication equipment |
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| CN114095921A (en) * | 2022-01-19 | 2022-02-25 | 深圳市优友互联有限公司 | SD-WAN encryption communication system and method |
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Application publication date: 20120711 |