CN109362130A - MIFI device systems and method - Google Patents
MIFI device systems and method Download PDFInfo
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- CN109362130A CN109362130A CN201811216842.5A CN201811216842A CN109362130A CN 109362130 A CN109362130 A CN 109362130A CN 201811216842 A CN201811216842 A CN 201811216842A CN 109362130 A CN109362130 A CN 109362130A
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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
- H04W88/08—Access point devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Present invention discloses a kind of MIFI device systems and methods, and wherein MIFI device systems include: the first module, the second module, transmission module, SIM card and antenna, and second module is also connected with the transmission module, and the transmission module connects first module；There are two the SIM card is set, for the first SIM card and the second SIM card, first module is equipped with the first deck for matching first SIM card, and first SIM card is inserted into first deck, and second module is equipped with the second deck of the second SIM card described in Corresponding matching；The antenna is equipped with two groups, and antenna described in every group is separately connected first module and second module；Beneficial effect is: solving the problems, such as that MiFi can be limited to the Network status for the SIM card operator wherein installed in the prior art.
Description
Technical field
The present invention relates to technical field of mobile terminals more particularly to a kind of MIFI device systems and methods.
Background technique
Many handheld device such as mobile phones (Mobile Phone), MIFI equipment (mobile wifi), mobile network now
Equipment (MID) etc. requires to be inserted into independent SIM card, can access carrier wireless network, when user carries these equipment
Go abroad or into some mobile operator network blind area of coverage namely A operator user A operator covering it is weak and
When B operator covers strong place and is not available the network of B operator, user is there are two types of selection or replaces other operators
SIM card or use roaming communication.But the purchase of SIM card, replacement can carry out many inconveniences to user's communication band, therefore
The network signal of traditional plug-in card MIFI limits to and the disadvantage of flow rate gradually displays.
Summary of the invention
The main object of the present invention is to provide a kind of MIFI device systems and method, and solving MiFi in the prior art can be limited
In the Network status for the SIM card operator wherein installed the problem of.
The present invention proposes a kind of MIFI device systems, including the first module, the second module, transmission module, SIM card and day
Line, the second module are also connected with transmission module, and transmission module connects the first module；It is the first SIM card and the there are two SIM card is set
Two SIM cards, the first module are equipped with the first deck of the first SIM card of matching, and first SIM card is inserted into first deck, the
Two modules are equipped with the second deck of the second SIM card of Corresponding matching, and the second SIM card is inserted into second deck；Antenna is equipped with two groups,
Every group of antenna is separately connected the first module and the second module, and the first module is used to find optimal network by the first SIM card, and divides
The flow of the first SIM card is enjoyed to the second module, by the second SIM card and background communication, the second module is used for the second module
The flow of one SIM card is converted to WIFI signal and is shared, or will change the flow of rear decometer corresponding with optimal network in backstage
Shared for WIFI signal.
It further, further include upper electrical switch module, the second module is also connected with upper electrical switch module, and upper electrical switch module connects
Connect the first module, the system module that the first module is done by chip ASR1802, the second module be made by chip MT6737 one
A system module.
Further, transmission module includes USB module and switch two-way module, and USB module is USB stand, switchs two-way
Module is the system module being made by BCT4227 chip；4 feet for switching the 4 feet connection USB module of two-way module, switch two-way
3 feet of the 5 feet connection USB module of module；Open the light two-way module 2 feet connect the second module 11 feet, the 1 of the two-way module that opens the light
Foot connects 12 feet of the second module, and 6 feet of the two-way module that opens the light connect 60 feet of the first module, and 7 feet of the two-way module that opens the light connect
Connect 59 feet of the first module.
Further, the 1 foot ground connection of USB module, 5 feet of USB module connect 14 feet and 15 feet of the second module simultaneously.
Further, upper electrical switch module includes power supply, triode and metal-oxide-semiconductor, and the anode of power supply connects the second module
32,33 and 34 foot, the cathode of power supply, the cathode of power supply and the grounding leg of the second module are attached；The pole D of metal-oxide-semiconductor connects electricity
The anode in source, the pole S of metal-oxide-semiconductor connect 43 feet and 44 feet of the first module；The pole G of the pole the C connection metal-oxide-semiconductor of triode, triode
The pole B connect the second module 48 feet, triode the pole E ground connection.
Further, 2 feet of the first module connect 47 feet of the second module, and 3 feet of the first module connect the second module
46 feet, 18 feet of the second module connect 55 feet of the first module.
It further, further include power button, 39 feet of booting the second module of key connection.
Further, 31 feet of the second module are battery detecting foot, and battery detecting foot connects one end of thermistor, temperature-sensitive
Resistance other end ground connection.
Further, every group of antenna includes primary antenna and diversity antenna, wherein one group of primary antenna connects the first module
32 feet connect 28 feet of the first module with diversity antenna, and another group of primary antenna connects 50 feet and diversity antenna difference of the second module
Connect 57 feet of the second module.
The invention also provides a kind of methods for realizing 4G online using MIFI device systems, using in claim 1-9
Described in any item MIFI device systems, comprising the following steps:
First module quickly finds optimal network by the first SIM card, and by transmission module the flow of the first SIM card
It is transferred in the second module, is converted into WIFI signal and is shared；
Second module is obtained and the matched backstage card information of optimal network by the second SIM card and background communication；
Second module by internal VSIM technology by the simulation of backstage card information generate it is virtual after decometer, by with virtual backstage
Card carries out data transmission, and consumes the flow of the rear decometer, is shared for generating WIFI signal；
Second module, which is disconnected, shares network link with the transmission module between the first module, and individually shares third SIM card
WIFI hot spot.
MIFI device systems of the present invention and the key point of method design are: MIFI device systems are to realize plug sim card, according to
Environment network situation is communicated with rear decometer pond, selects optimal network operator, while quick turn-on, blocks preferential realize with local
WIFI hot spot is shared, improves user experience, and after acquirement after decometer, seamless switching network link solves MiFi in the prior art
Equipment can be limited to the problem of SIM card operator Network status wherein installed.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of the MIFI device systems of one embodiment of the invention；
Fig. 2 is the upper electrical switch modular circuit structural schematic diagram of the MIFI device systems of a specific embodiment of the invention；
Fig. 3 is the first modular circuit structural schematic diagram of the MIFI device systems of a specific embodiment of the invention；
Fig. 4 is the second modular circuit structural schematic diagram of the MIFI device systems of a specific embodiment of the invention；
Fig. 5 is the USB module electrical block diagram of the MIFI device systems of a specific embodiment of the invention；
Fig. 6 is the mould switch two-way modular circuit structural schematic diagram of the MIFI device systems of a specific embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to,
It can be and be indirectly connected with.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
Referring to Fig.1, Fig. 3 and Fig. 4, including the first module 1, the second module 2, transmission module, SIM card and antenna 13, second
Module 2 connects the first module 1, and the second module 2 is also connected with transmission module, and transmission module connects the first module 1；SIM card is equipped with two
It is a, it is the first SIM card 8 and the second SIM card 9, the first module 1 is equipped with the first deck 11 of the first SIM card 8 of matching, the first SIM card
8 the first decks 11 of insertion, 2 the second SIM card of Corresponding matching of the second module, 9 second deck 21, the second SIM card 9 are inserted into described second
Deck 21；Antenna 13 is equipped with two groups, and every group of antenna 13 is separately connected the first module 1 and the second module 2, and the first module 1 passes through the
One SIM card 8 is for finding optimal network, and the flow of the first SIM card 1 of sharing gives the second module 2, and the second module 2 passes through second
SIM card 9 and background communication, the second module are shared for 1 flow of the first SIM card to be converted to WIFI signal, or will backstage
In it is corresponding with optimal network after the flow of decometer be changed to WIFI signal and shared.
In the present embodiment, SIM card is 4G-SIM card, each deck of the first module 1 and the second module 2 be equipped with and
The corresponding reset terminal of SIM card, clock end, data input/output terminal and power input, in the first deck 11 of the first module 1
18,19,20,21 feet respectively correspond power input, reset terminal, data input/output terminal and the clock end of the first SIM card 8, the
116,117,121 and 122 respectively correspond the reset terminal of the second SIM card 9, data input and output in second deck 21 of two modules 2
End, clock end and power input, 118,119,120 and 123 respectively correspond the 3rd SIM in the third deck 22 of the second module 2
Reset terminal, data input/output terminal, clock end and the power input of card 10, are to have many card slots from the background, are controlled with single-chip microcontroller
Reading SIM card identity code, mobile SIM card can be all put, connection telecommunications is can be and mixes together, this is depended on
The selection of network operator, it has an identification code to SIM card, and identity code, first SIM card have several foot positions, VCC (power supply),
DATA (data), CLK (clock), RST (reset), GND, after being firstly inserted into SIM card, power supply is power supply, in start process,
System will start to look for network, first will send out a RST signal to SIM card, SIM card receives this signal, will start to lead to
It crosses data bundle of lines this identity code and issues system, system receives this identity code, begins to be handed over base station
Net mutually is looked for, can be surfed the Internet, this is rear decometer working principle, after receiving RST signal, from the background this SIM card identity information
MIFI equipment is issued, MIFI equipment knows this identity information, gives the DATA of virtual rear decometer, working effect and normal plug-in card
Process it is the same, the flow of decometer is the flow of rear decometer, in the present embodiment, the second mould after shared virtual of the second module 2
Block 2 can carry out data mode with the first module 1 and interact, and communication module 2 can be also used for receiving the first module 1 by transmitting mould
The communication signal that block transmits；First SIM card 8 is entity card for sharing flow after being switched in advance to the second module 2, the 2nd SIM
Card 9 is used to obtain optimal network backstage card information with background communication for entity card, and the second module 2 obtains inside the card information of backstage
Simulation generates virtual rear decometer, and the traffic generating WIFI signal for decometer after consuming virtually is shared, that is, decometer after consuming
Traffic generating WIFI signal shared.MIFI device systems are switched on after work, the first module 1 in MIFI device systems by
In booting meeting prerequisite activity fastly, by antenna 13 and the first SIM card 8, at any time according to environment network situation, optimal network fortune is selected
Quotient is sought, and the flow of the first SIM card 8 of insertion is transferred in the second module 2 by transmission module, as WIFI hot spot point
It enjoys；The second SIM card 9 in second module 2 in second deck 21 is after powering with background communication, with mentioning what demand needs from the background
The card of sample, possible user can take equipment all parts of the country, issue local SIM card according to ownership place from the background, then the 2nd SIM
After card 9 receives local SIM card information, i.e. the second SIM card 9 obtains backstage card information, passes through VSIM inside MIFI device systems
Technology, simulation generate virtual rear decometer, and the traffic generating WIFI signal of decometer is shared after can allowing virtually, and WIFI is the second module
The signal exported after radio circuit amplification filtering inside 2, signal is exported from 100 feet of the second module 2, for by operator's
4G signal be converted into WIFI signal share to user go online use, solve in the prior art MiFi device systems can be limited to it
The problem of Network status of the SIM card operator of middle installation, the operator of optimum network is used, while having reduced flow
Rate are runed, in other embodiments, SIM card may be 2G-SIM card, and the first module 1 may be mini system 2G module,
Second module 2 or 2G Android module.
It further include upper electrical switch module 10 in above-mentioned MiFi equipment, the second module 2 is also connected with upper electrical switch module 10,
Upper electrical switch module 10 connects the first module 1, the system module that the first module 1 is done by chip ASR1802, the second module 2
A system module being made by chip MT6737.
In the present embodiment, the first module 1 is the mini system 4G module that chip ASR1802 is done, and the second module 2 is core
The 4G module for the Android system that piece MT6737 is done, after the booting of MiFi device systems, the first module 1 is to power on Auto Power On,
The meeting prerequisite activity of first module 1 selects optimal network operator, communication module according to environment network situation by the first SIM card 8
After 2 work, the second SIM card 9 is with background communication, and simulation generates virtual rear decometer after the information for receiving the SIM card issued, and
The second module 2 shares the flow of rear decometer afterwards, and communication module 2 can control the first module 1 by upper electrical switch at this time
Shutdown, makes the first module 1 be in standby mode, can save system power dissipation.
Referring to Fig.1, Fig. 5 and Fig. 6, transmission module 14 include USB module 4 and switch two-way module 3, and USB module 4 is USB
Stand, switch two-way module 3 is the system module being made by BCT4227 chip；4 feet for switching two-way module 3 connect USB module
44 feet, 3 feet of the 5 feet connection USB module 4 of switch two-way module 3；2 feet of two-way module 3 of opening the light connect second module 2
11 feet, 1 foot of the two-way module 3 that opens the light connect 12 feet of the second module 2, and 6 feet of the two-way module 3 that opens the light connect the first module 1
60 feet, 7 feet of the two-way module 3 that opens the light connect 59 feet of the first module 1.
It is applied in example in the present invention one, switch two-way module 3 is BCT4227 chip as USB and switches switch, switchs two-way mould
The 1 of block 3,2 feet be respectively D+/-, be public foot, be connected to the USB input pin of the second module 2, i.e., 12,11 feet switch two-way module
11 feet of 31 foot link block 2 switch 13 feet of 2 foot link blocks 2 of two-way module 3, switch 4,5 feet of two-way module 3
For D1+/-, be connected on external USB port, that is, switch two-way module 34 feet connection USB module 44 feet, switch two-way
Module 3D+ foot (5 foot) connects USB-DP foot (3 foot)；Switch two-way module 36,7 feet be D2+/- USB foot, be connected to the first mould
On the USB output pin of block 1, that is, 6 feet of the two-way module 3 that opens the light connect 60 feet of the first module 1, and 7 feet of the two-way module 3 that opens the light connect
59 feet of the first module 1 are connect, it is control foot that 10 feet of switch two-way module 3, which are SEL foot, this foot is 0 or high-impedance state state
When, D+/- and D1+/- conducting, the external port USB and the conducting of the second module 2, use for the downloading of the second module 2 at this time,
After system boot gets up, by SEL foot draw high be 1 when, D+ at this time/- and D2+/- conducting, the first module 1 and communication block 2 can be into
Row communication, is used for network sharing.
In an embodiment of the present invention, the second module 2 is Android system, in debugging process or when product is after sale
It waits, it may be necessary to update software, just need to download software at this time and be gone inside the second module 2, what downloading software was walked is USB module
4, it is gone so will there is USB to be routed to inside the second module 2, it is logical with USB due to being needed between the first module 1 and the second module 2
Road come share network when network interface card use, if singly doing this access, port will be occupied, cannot download debugging use, so
Switch two-way module 3 can be used.
Referring to Fig. 4 and Fig. 5,1 foot of USB module 4 is grounded, 5 feet of USB module 4 connect simultaneously the second module 2 14 feet and
15 feet.
In an embodiment of the present invention, USB module 4 can regard a UBS stand as, the USB charging being equivalent on mobile phone
Seat is for external computer to device downloads or data transmission, and 5 foot VBUS of USB module 4 are charging voltage, connection
14 feet and 15 feet of second module 2 are used for system charging with USB trigger for download, and VBUS is 5V voltage, all because of any power supply
One is needed with reference to ground, i.e. it can be just the same reference planes in this way that 1 foot of USB module 4, which is needed to be grounded and be used,.
Referring to Fig.1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, upper electrical switch module 10 include power supply 5, triode 7 and metal-oxide-semiconductor 6, power supply
32,33 and 34 feet of 5 anode the second module 2 of connection, the cathode of power supply 5, the grounding leg of the cathode of power supply 5 and the second module 2
It is attached；The anode of the pole the D connection power supply 5 of metal-oxide-semiconductor 6, the pole S of metal-oxide-semiconductor 6 connects 43 feet and 44 feet of the first module 1；Three poles
The pole G of the pole the C connection metal-oxide-semiconductor 6 of pipe 7, the pole B of triode 7 connect 48 feet of the second module 2, the pole the E ground connection of triode 7.
Referring to Fig. 2, in an embodiment of the present invention, power supply 5 is battery, and VBAT is cell voltage, cell voltage 4.2V,
The cathode of power supply 5 grounding leg all with the second module 2 is attached, and the operating voltage of the first module 1 is 3.6-4.2V, and second
The grounding leg of module 2 includes 7,10,13,27,30,35,36,99,126 feet, and it is low electricity that the condition of the conducting of metal-oxide-semiconductor 6, which is G grades,
Pressure, voltage are less than 0.3V, it is necessary to which the C grade of triode 7 is conducting to ground, and it is high level that the condition that triode 7 is connected, which is B grades, excellent
It is selected as 1.8V, when the B grade of triode 7 is high level, C and E conducting can approximately see C grades of ground connection, C grades of voltage
It is 0, then it is low-voltage that the G step voltage of metal-oxide-semiconductor 6, which is also zero, G grades, so metal-oxide-semiconductor 6 turns on, the first module 1 has normal work
Make voltage, it is in running order, when triode 7 B grade be 0, then C and E are not turned on, it can be seen that G also connect one it is weak on
Cell voltage is drawn, then the voltage at G is high level at this time, metal-oxide-semiconductor 6 is just not turned on, and natural first module 1 is just without electricity
Pressure can achieve the mesh for closing the first module 1 after the second module 2 is taken backstage card information and simulated to third SIM card 10
, it is at standby mode, system power dissipation can be saved, in this circuit diagram, VIO18-PMU is a system power supply,
1.8V output voltage, 4G-VCC-EN are the enabled feet powered to the first module 1, and the low and high level state of this foot can control
Whether there is or not play the role of the first module of either on or off 1, VIO18-PMU returns enabled foot herein to the power supply of first module 1
The pull-up resistor for connecting a 10K Ω makes its control line when for high level, and voltage is more stable, to control triode
Also more stable, will not break suddenly makes the first power-off suddenly of module 1, not will cause the collapse of MIFI device systems.
In another embodiment of the present invention kind, when the second module 2 10 dropout of third SIM card or need to switch SIM
When card (replacement address, such as trans-city etc transprovincially), the first module 1 can be called out by the second module 2 from standby mode at this time
It wakes up (quickly, second grade), the USB module 4 got through between the second module 2 again shares network link, until the second module 2 is taken
It after new rear decometer, is again off network link and enters suspend mode, it is possible to reduce the operating time of the first module 1 reduces system
System uses power consumption, if the first module 1 works will cause that system power dissipation is excessive, and service time of battery shortens always, while can also send out
Heat seriously affects user experience.
In an embodiment of the present invention, it is also connected among the circuit of the pole the D connection of reference Fig. 2, battery VBAT and metal-oxide-semiconductor 6
There are four capacitor, since this is the system power supply power supply of the first module 1, voltage and electric current inevitably have a shake, external interference with
The presence of internal components performance inconsistency etc., the internal power supply that can make is in the state of a fluctuation, and capacitor is herein
Effect be pressure stabilizing and filtering effect, so that regulated power supply is more stably in required voltage.
Referring to Fig. 3 and Fig. 4,2 feet of the first module 1 connect 47 feet of the second module 2, the 3 feet connection second of the first module 1
46 feet of module 2,18 feet of the second module 2 connect 55 feet of the first module 1.
In an embodiment of the present invention, it is MIFI device systems that 2 feet of the first module 1, which connect 47 feet of the second module 2,
TX line, 46 feet that 3 feet of the first module 1 connect the second module 2 are the RX line of equipment, and TX, RX are the string of MIFI device systems
Mouth line, it is interactive for some data modes of both ends the first module 1 and the second module 2, such as the signal strength of each module, one
A little user behavior controls, 55 feet that 18 feet of the first module 1 connect the first module 1 are RESET line, and the second module 2 can control
First module 1 is resetted, it is possible to and the first module 1 can crash, and at this time just needing the control of the second module 2, it is resetted,
In an embodiment of the present invention, the B grade of 18 one triode 7 of heel of the second module 2 is attached, and the C grade of triode 7 is with
55 feet of one module 1 are connected, and when the B grade of triode 7 is high level, C and E conducting, electric current can be by the 18 of the second module 2
Foot flows to the pole C in 55 feet to the first module 1 by the pole B of triode, and the first module 1 can be controlled multiple by the second module 2 at this time
Position.
It referring to Fig.1, further include power button 12, power button 12 connects 39 feet of the second module 2.
In an embodiment of the present invention, it is POWERKEY foot, long-pressing power button 4S that the second module 2, which has 39 feet,
MIFI device systems are booted up.
Referring to Fig.1 and Fig. 4,31 feet of the second module 2 are battery detecting foot, and battery detecting foot connects the one of thermistor
End, thermistor other end ground connection.
In an embodiment of the present invention, 31 feet of the battery detecting foot for the second module 2, the NTC resistance of an external 10K,
And the other end ground connection of NTC resistance, the NTC resistance of 10K is a thermistor, thermistor when different temperature,
Its resistance value be it is different, such as when 25 degrees Celsius of room temperature, its resistance value is 10K, then detection foot pass through potentiometer
The resistance for calculating it is 10K, it is known that this temperature is 25 degrees Celsius, and when such as arriving -20 degrees Celsius of low temperature, its resistance becomes
At 5K, resistance is 20K when 60 degree of high temperature, and system is it is known that extraneous temperature, then when low temperature, the second mould
2 chip of block can work abnormal, then will tip out and user is allowed to shut down, and when high temperature, system knows 60 degree, system
It may turn off charging (charging can generate heat) and the process of some big operations closed, temperature is excessively high to cause battery-heating bulge,
It explodes when serious, causes security risk.
Referring to Fig.1, Fig. 3 and Fig. 4, every group of antenna 13 includes primary antenna 131 and diversity antenna 132, wherein one group of main day
Line 131 connects 32 feet of the first module 1 and 28 feet of the first module 1 of connection of diversity antenna 132, and another group of primary antenna 131 connects
50 feet and diversity antenna 132 of second module 2 are separately connected 57 feet of the second module 2.
In an embodiment of the present invention, the primary antenna 131 of the first module 1 is used to communicate with operator, to environment network shape
Condition is detected, and selects the optimal operator of Network status, and the primary antenna 131 of the second module 2 is used for being communicated from the background, from rear
Platform obtains the third SIM card 10 that local SIM card information simulation is given to module 2, the radio frequency from the first module 1 and the second module 2
Transmitting-receiving, picks out after power amplification, and primary antenna 131 can carry out the transmitting-receiving of signal, and diversity antenna 132 is received to primary antenna 131
The enhancing of ability.
The invention also provides a kind of methods for realizing 4G online using MIFI device systems, using in claim 1-9
Described in any item MIFI device systems, comprising the following steps:
First module 1 quickly finds optimal network by the first SIM card 8, and by transmission module the first SIM card 8
Flow is transferred in the second module 2, is converted into WIFI signal and is shared；
Second module 2 is obtained and the matched backstage card information of optimal network by the second SIM card 9 and background communication；
Second module 2 by internal VSIM technology by the simulation of backstage card information generate it is virtual after decometer, by with it is virtual after
Decometer carries out data transmission, and consumes the flow of the rear decometer, is shared for generating WIFI signal；
Second module 2, which is disconnected, shares network link with the transmission module between the first module 1, and individually shares virtual backstage
The WIFI hot spot of card.
In an embodiment of the present invention, when MIFI device systems one are switched on, the first module 1 is fast due to being switched on, and looks for net
Rapidly, feature low in energy consumption is shared WIFI hot spot as equipment and is come out so can first pass through in transmission module to the second module 2,
The SIM2 of the second module 2 can go to go to take SIM card to demand is lifted from the background with background communication at this time, after taking backstage SIM card,
At this time between the first module 1 and the second module 2 and switch two-way module 3 and USB module 4 share network link and can break
It opens, just individually shares WIFI hot spot from the second module 2 and go out, such benefit is to have used the operator of optimum network, together
When reduce flow operation rate, 1 network link of the first module is closed in time, the features such as system power dissipation can be saved.When
When the virtual backstage card signal loss or needs of the simulation generation of two modules 2 switch virtual rear decometer (address is replaced, such as
It is trans-city etc transprovincially), the first module 1 wakes up (more rapidly, second grade) from standby mode at this time, get through again with the second module 2 it
Between USB share network link be again off network link after the second module 2 takes new rear decometer and enter suspend mode mould
Formula.
MIFI device systems of the invention are, according to environment network situation, to select optimal network fortune by realizing plug sim card
Quotient is sought, realizes that WIFI hot spot is shared, improves user experience, the SIM card wherein installed can be limited to by solving MiFi in the prior art
The problem of Network status of operator, can also pass through upper electrical switch module and biography between the first module and the second module
Defeated switch module realizes seamless switching network link, reduces the operating time of the first module, reduces system power dissipation, further increases
User experience.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of MIFI device systems, which is characterized in that including the first module, the second module, transmission module, SIM card and antenna,
Second module connects first module, and second module is also connected with the transmission module, the transmission module connection
First module；It is the first SIM card and the second SIM card there are two the SIM card is set, first module is equipped with matching institute
The first deck of the first SIM card is stated, first SIM card is inserted into first deck, and second module is equipped with Corresponding matching
Second deck of second SIM card, second SIM card are inserted into second deck；The antenna is equipped with two groups, every group of institute
It states antenna and is separately connected first module and second module, first module by first SIM card for being sought
Optimal network is looked for, and shares the flow of first SIM card to second module, second module passes through described second
SIM card and background communication, second module are shared for the flow of first SIM card to be converted to WIFI signal,
Or will it is corresponding with the optimal network in the backstage after the flow of decometer be changed to WIFI signal and share.
2. MIFI device systems according to claim 1, which is characterized in that it further include upper electrical switch module, described second
Module is also connected with the upper electrical switch module, and the upper electrical switch module connects first module, and first module is by core
The system module that piece ASR1802 is done, the system module that second module is made by chip MT6737.
3. MIFI device systems according to claim 2, which is characterized in that the transmission module includes the USB module
With switch two-way module, the USB module is USB stand, and the switch two-way module is the system being made by BCT4227 chip
Module；
4 feet of the switch two-way module connect 4 feet of the USB module, and 5 feet of the switch two-way module connect USB mould
3 feet of block；
2 feet of the two-way module that opens the light connect 11 feet of the second module, and 1 foot of the two-way module that opens the light connects the second module
12 feet；
6 feet of the two-way module that opens the light connect 60 feet of the first module, and 7 feet of the two-way module that opens the light connect the first module
59 feet.
4. MIFI device systems according to claim 3, which is characterized in that 1 foot of the USB module is grounded, the USB
5 feet of module connect 14 feet and 15 feet of second module simultaneously.
5. MIFI device systems according to claim 2, which is characterized in that the upper electrical switch module includes power supply, three
Pole pipe and metal-oxide-semiconductor,
The anode of the power supply connects 32,33 and 34 feet of second module, the cathode of the power supply, the cathode of the power supply
It is attached with the grounding leg of second module；
The pole D of the metal-oxide-semiconductor connects the anode of the power supply, and the pole S of the metal-oxide-semiconductor connects 43 feet and 44 of first module
Foot；
The pole C of the triode connects the pole G of the metal-oxide-semiconductor, and the pole B of the triode connects 48 feet of second module,
The pole E of the triode is grounded.
6. MIFI device systems according to claim 1, which is characterized in that 2 feet of first module connection described the
47 feet of two modules, 3 feet of first module connect 46 feet of second module, and 18 feet of second module connect institute
State 55 feet of the first module.
7. MIFI device systems according to claim 1, which is characterized in that it further include power button, the booting key connection
39 feet of second module.
8. MIFI device systems according to claim 1, which is characterized in that 31 feet of second module are battery detecting
Foot, one end of the battery detecting foot connection thermistor, the thermistor other end ground connection.
9. MIFI device systems according to claim 1, which is characterized in that antenna described in every group includes primary antenna and divides
Collect antenna, wherein primary antenna described in one group connects 32 feet of first module and the diversity antenna connects first module
28 feet, primary antenna described in another group connects 50 feet of second module and the diversity antenna is separately connected second mould
57 feet of block.
10. a kind of method for realizing 4G online using MIFI device systems, using MIFI of any of claims 1-9
Device systems, which comprises the following steps:
First module quickly finds optimal network by first SIM card, and by the transmission module described
The flow of one SIM card is transferred in second module, is converted into WIFI signal and is shared；
Second module by second SIM card and the background communication, and obtain with optimal network it is matched it is described after
Decometer information；
Second module by internal VSIM technology by the simulation of backstage card information generate it is virtual after decometer, by with it is described virtual
Backstage card carries out data transmission, and consumes the flow of the rear decometer, is shared for generating WIFI signal；
Second module, which is disconnected, shares network link with the transmission module between first module, and individually shares institute
State the WIFI hot spot of third SIM card.
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