CN105375942A - Watch phone with wireless SIM (Subscriber Identity Module) transmission function - Google Patents

Watch phone with wireless SIM (Subscriber Identity Module) transmission function Download PDF

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Publication number
CN105375942A
CN105375942A CN201510830053.0A CN201510830053A CN105375942A CN 105375942 A CN105375942 A CN 105375942A CN 201510830053 A CN201510830053 A CN 201510830053A CN 105375942 A CN105375942 A CN 105375942A
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China
Prior art keywords
microcontroller
sim card
mobile phone
interface
watch type
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CN201510830053.0A
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王家城
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Individual
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Individual
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Priority to CN201510830053.0A priority Critical patent/CN105375942A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a watch phone with a wireless SIM (Subscriber Identity Module) transmission function, belonging to the field of mobile communication terminals. A microcontroller module with a wireless communication function is added between an SIM card interface and an SIM card cassette of a wireless baseband module in the existing watch phone, so that the watch phone has a wireless SIM transmission function under the condition that the use function of the watch phone is not influenced; and other mobile phone can be connected to a cellular mobile communication network through a wireless communication interface by using the data in an SIM card of the watch phone, so that a user can selectively use different communication terminal devices under different usage scenarios. Through a software program functional module running in a microcontroller, the power consumption of the watch phone is saved, a more convenient human-computer interaction interface is provided, and the use experience of the watch phone user is improved.

Description

A kind of Waist watch type mobile phone with wireless SIM transfer function
Technical field
The invention belongs to mobile communication terminal field.Specifically, the present invention relates to a kind of watch type mobile telephone with wireless SIM transfer function, make other mobile phone by wireless transmission, the SIM card access cellular mobile communication networks of Waist watch type mobile phone can be used.
Background technology
Function along with smart mobile phone becomes from strength to strength, and it is also more and more important in the life of people, and people complete more application by smart mobile phone.Except for except basic voice call and word message, also just like viewing video, browse photo, browsing page etc.Widely using of these application makes the screen of smart mobile phone and volume just become increasing, proposes challenge to the carry-on portability of mobile phone, and the smart mobile phone sometimes carrying with a large volume is just inconvenient.For the ease of carrying with, occurred a kind of watch type mobile telephone in existing market, the major advantage of the Waist watch type mobile phone of this Wearable is convenient to user to be worn in wrist and user coexists whenever and wherever possible.The smart mobile phone of large volume and the Waist watch type mobile phone of Wearable can meet user in the demand without application scenarios, but for user, they are two mobile phones independent of each other, the SIM card that two mobile phones need insertion two different wherein can accessing mobile communication network, thus has two different telephone numbers.
In existing implementer's case, no matter be that smart mobile phone or Waist watch type mobile phone (comprise some other subscriber terminal equipment that can access cellular mobile communication networks as mobile fixed-line, panel computer, notebook computers etc., are all called for short mobile phone below), there is a SIM card deck wherein, after SIM card inserts the draw-in groove of deck, the contact of deck just establishes circuit with SIM and is connected, and the baseband module of mobile phone just can data in reading SIM card, accessing mobile communication network.Interface between SIM card and mobile phone is smart card one terminal device interface of standard, meets the host-host protocol of ISO-7816 definition and the telecommunications application protocol of the definition such as ETSITS102211,3GPPTS11.11.Such standard interface makes any one SIM card can insert the use of any one mobile phone, facilitates user to the selection using mobile phone.But use in the process of mobile phone user, SIM card needs to be fixed on interior of mobile phone always, and by the exclusive use of a mobile phone.
In order to mobile phone uses SIM card more easily, in Chinese invention application 201410452312.6 " a kind of separate type SIM card deck equipment of intelligence and communication means ", disclose a kind of intermediate equipment between mobile phone and SIM card, i.e. intelligent SIM card deck equipment.Use intelligent SIM card deck, the communication between mobile phone and SIM card can be connected by the contact circuit of mobile phone SIM deck, but is indirectly completed by intelligent SIM card deck device forwards communication.That is, intelligent SIM card deck can be the transmission trunking of the exchanges data between mobile phone and SIM card, and the forwarding transmission trunking of these data can be radio communication.In Chinese invention application 201410495484.1 " wave point between a kind of communication terminal device and SIM card and functional realiey ", further disclose a kind of wireless transmission protocol, make the transmission error of this data retransmission and propagation time delay all within the permissible range of SIM card transport protocol standard.Like this, In the view of SIM card and network both sides, the data retransmission communication process in the middle of this is exactly transparent, and they all can not be awared it and exist.On existing mobile subscriber identifier authentication process and network access security controlling mechanism without any impact, taken into account fail safe and the convenience of wireless transmission interface between mobile phone and SIM card of existing wireless communications network well.
In Chinese invention application 201510056027.7 " method and apparatus of multiple communication terminal wireless sharing SIM card ", disclose a kind of communication means and equipment, multiple mobile phone is made to pass through wireless communication interface, use same SIM card accessing mobile communication network, the mobile phone for user uses to provide to be selected more easily.Especially, increase the function of mobile communication in intelligent SIM card deck equipment, make intelligent SIM card deck equipment become a complete mobile communication equipment, by inserting SIM card wherein, accessing mobile communication network, for user provides service.The circuit that intelligent SIM card deck equipment itself has between SIM card connects, authenticating user identification data wherein can be read, in addition, intelligent SIM card deck equipment also has wireless communication interface, make other mobile phone can by the mode of radio communication, the authenticating user identification data of reading SIM card and accessing mobile communication network.
Main purpose of the present invention is exactly disclose a kind of watch type mobile telephone with wireless SIM transfer function, on the basis of the watch type mobile telephone in existing market, by increasing the functional module of intelligent SIM card deck equipment, make (playing phone to the existing capability of Waist watch type mobile phone, receive and send messages) do not have influential situation under, wirelessly can share and insert SIM card wherein.Other mobile phone is by being inserted in the communication terminal interface equipment (detailed implementer's case is open in Chinese invention application 201410735422.3 " terminal interface device of a kind of communication terminal and SIM card Wireless Data Transmission ") of its SIM card slot, employing wireless SIM transmits, just mobile communications network can be linked into, for user provides Mobile solution service.The present invention also comprises the program in the functional module operating in intelligent SIM card deck equipment, can realize the SIM card function of part, replaces SIM card and mobile phone to carry out exchanges data.Such as, part SIM card data are stored in this locality, just read from this locality when needs time and directly reply to mobile phone.Only have the SIM card internal data that those can not be read by external equipment, such as, for KI and the authentication password algorithm of authenticating user identification, just need to read from SIM card at every turn.The program of this operation can also part replace mobile phone and SIM card to carry out exchanges data, such as, sends control command to SIM card, reads or write/upgrade the data of the constituent instruments of SIM card.In addition, the present invention is also by the SIM card application toolkit (STK of standard, SIMApplicationToolkit), in Waist watch type mobile phone, utilize the existing user interface of Waist watch type mobile phone, set up the function menu of SIM card application tool, the human-computer interaction interface of intelligent SIM card deck equipment is provided, make user that personalized data in use can be set in Waist watch type mobile phone.Such as, in order to ensure the data security of SIM card, when other mobile phone reads the data of SIM card in Waist watch type mobile phone by wave point, need an authentication authentication process, just use the subscription authentication password of user's setting, and subscription authentication password just can carry out input setting by the function menu of SIM card application tool.
Summary of the invention
The same with all mobile phones, at the radio base band SIM card interface of Waist watch type mobile phone inside, have a SIM card deck, after making SIM card insert deck, its corresponding contacts just can be set up circuit with radio base band module and be connected.Waist watch type mobile phone of the present invention is between its radio base band SIM card interface and SIM card deck, increases a microcontroller (MCU, Micro-ControllerUnit) and becomes intermediate equipment between them.Microcontroller itself is an independently single-chip microcomputer, there is central processing unit (CPU), random asccess memory (RAM), read-only storage flash memory (flash), universal input/output interface (GPIO, GeneralPurposeInput/Output), thereon can working procedure independently.In addition, microcontroller also has radio communication function, makes it possible to the wave point transmitted as wireless SIM.In existing market, there are many SOC (system on a chip) (SoC, SystemonChip) chip just has such function, such as, the bluetooth on-chip system chip nRF51822 of Nordic company of Norway is exactly such a microcontroller, this chip has an ARMCortexM0 as central processor core, also has the wireless communication interface of 2.4G.The major function of microcontroller is exactly the function realizing intelligent SIM card deck equipment, between multiple mobile phone and a SIM card, set up the transmission trunking (wired connection or wave point) of data communication, Waist watch type mobile phone and other mobile phone can the physical communication of time division multiplexing (use respectively of time-slotting section) same SIM card be connected.
Fig. 1 is functional module and the connection layout thereof with the Waist watch type mobile phone of wireless transmission function of the present invention, has following function and connects:
1. the power supply supply VCC of microcontroller is directly connected in Waist watch type mobile phone power interface, the such as direct powered battery by Waist watch type mobile phone, or other independent current source interface, instead of the Power supply of SIM card interface by Waist watch type mobile phone radio base band module.Like this, make microcontroller obtain independently power supply supply, and do not rely on the power supply supply situation of Waist watch type mobile phone SIM card interface.Because existing SIM cards of mobile phones interface, just when its radio base band module is in running order, is just powered to its SIM card interface.Like this, even if the radio base band module of Waist watch type mobile phone of the present invention is in closed condition, microcontroller can also be in running order, and other mobile phone also can be connected to microcontroller by wireless communication interface.
2. the input/output interface of microcontroller is connected to the corresponding interface of the SIM card interface of Waist watch type mobile phone radio base band module, comprises data input and output I/O interface, clock signal clk interface, and reset signal RST interface is totally three interfaces.The program voltage VPP interface of Waist watch type mobile phone SIM card interface can connect, and directly does unsettled process.These interfaces have following function:
1. data I/O interface both can, as the input port of microcontroller, make microcontroller can read the data of Waist watch type mobile phone SIM card interface, received order or data that Waist watch type mobile phone issues SIM card; Also can, as the delivery outlet of microcontroller, microcontroller be made can to reply data to Waist watch type mobile phone.At Waist watch type mobile phone, by the exchanges data of the I/O interface with microcontroller, just instead of the exchanges data with SIM card data I/O interface, make the SIM card interface of Waist watch type mobile phone can obtain SIM card data needed for accessing mobile communication network.
2. clock signal clk interface is the input port as microcontroller, for receiving the clock signal of Waist watch type mobile phone SIM card interface.Existing SIM card is in order to save power consumption, all support clock stop mode, that is, under normal conditions, the SIM card interface of mobile phone does not have clock signal to export, only have when the SIM card interface of mobile phone and SIM card carry out exchanges data (being called an order session), just clock signal.Microcontroller itself, as the single-chip microcomputer of an independently complete function, is do not need the clock signal of SIM card interface just can run.But before each the order session sent due to Waist watch type mobile phone, all will first clock signal, therefore when the clock signal clk interface of microcontroller detects that Waist watch type mobile phone has clock signal to export time, just start corresponding program, read the order session that Waist watch type mobile phone sends to SIM card.That is, although the clock signal of Waist watch type mobile phone does not use as the clock input signal of microcontroller, it can trigger the order session cycle of Waist watch type mobile phone and SIM card as a driving event.
3. reset signal RST interface is the input port as microcontroller, for receiving the reset signal of Waist watch type mobile phone SIM card interface.When Waist watch type mobile phone start accessing mobile communication network, reset signal to be exported to its SIM card interface, restart SIM card and start working.Or mobile phone is carrying out in the process of exchanges data with SIM card, when needing to restart SIM card due to mistake, a reset signal also to exported.When microcontroller detects that Waist watch type mobile phone exports reset signal, just reply to Waist watch type mobile phone mobile phone in its data I/O interface and reset reply response (ATR, AnswerToReset).Make like this at Waist watch type mobile phone, response is replied in the replacement that just have received SIM card, can proceed the exchanges data with SIM card.
Be connected by the direct circuit of microcontroller with Waist watch type mobile phone SIM card interface the corresponding interface, microcontroller, relative to Waist watch type mobile phone, is exactly a Full Featured SIM card.Although microcontroller itself does not have the authentication of relevant mobile communication subscriber and the data of authentication that store in SIM card, but it can be read its related data by the interface with SIM card and be replied to Waist watch type mobile phone, and such process is transparent for time Waist watch type mobile phone, time its institute ignorant.So the function of microcontroller replaces SIM card exactly, and Waist watch type mobile phone carries out the exchanges data in order session cycle.
3. the input/output interface of microcontroller is connected to the corresponding interface of Waist watch type mobile phone SIM card holder, and comprise power supply supply VCC interface, data input and output I/O interface, clock signal clk interface, reset signal RST interface is totally four interfaces.In addition, the power cathode GND of microcontroller is also connected to the power cathode of SIM card holder.Because present SIM card no longer needs special input voltage to write data to SIM card, the program voltage VPP interface of SIM card holder can be not attached to microcontroller, directly does unsettled process.Like this, after SIM card inserts the draw-in groove of deck, the corresponding contacts of SIM card just establishes direct circuit with the input/output interface of microcontroller and is connected, and microcontroller just can carry out exchanges data by these interfaces and SIM card.These interfaces have following function:
1) power supply supply VCC interface is the delivery outlet as microcontroller, powers for the SIM card controlled to inserting SIM card slot.In the interface of the smartcard-Terminal equipment of standard, in order to avoid some uncertain states, define activation and the deexcitation time series of smart card, these time serieses define the electric tense of card, and it doesn't matter for the sequential set up of mechanical contact when inserting draw-in groove with smart card.SIM card, as the one of smart card, must strictly observe these electric sequential, to ensure the work that SIM is correct.So, when SIM card inserts the SIM card slot of Waist watch type mobile phone, when power to SIM card, when to SIM card power-off, all supply VCC Interface Controller, to strictly observe activation and the deexcitation time series of the smart card defined in ISO-7816 standard by the power supply of microcontroller.
2) data I/O interface both can, as the delivery outlet of microcontroller, make microcontroller can directly send control command or data to SIM card, or forwarded control command or data that Waist watch type mobile phone sends to SIM card; Also can as the input port of microcontroller, make microcontroller can reading SIM card to the reply response data of control command.In SIM card, the function of microcontroller is exactly the SIM card interface of a mobile phone, and the behavior of SIM card self is the same with it and the order session interaction behavior of the SIM card interface of a mobile phone.It is transparent that the data I/O interface that the SIM card interface of SIM card and a mobile phone carries out order session and it and microcontroller carries out order session, does not have any difference.
3) clock signal clk interface is the delivery outlet as microcontroller, clock signal during for providing it to run to SIM card.For supporting the SIM card of clock stop mode, just when SIM card work, just needs provide clock signal to SIM card, and other time can not clock signal, can save power consumption like this.The same with power interface, providing of clock signal also has timing requirements, and microcontroller, when clock signal, also will strictly observe activation and the deexcitation time series of the smart card defined in ISO-7816 standard.
4) reset signal RST interface is the delivery outlet as microcontroller, for sending reset signal when needs to SIM card.Electro activation on the sim card, when starting working, or makes a mistake when needing to restart SIM card, all needs the SIM card interface of mobile phone to send a reset signal to SIM card.The reset signal RST interface of microcontroller just can replace mobile phone, sends reset signal, restart SIM card and start the new order session cycle to SIM card.
Microcontroller is by the contact of SIM card slot, establish direct circuit with the corresponding contacts of SIM card to be connected, except the order session of transparent forwarding Waist watch type mobile phone, can also send control command according to the needs run directly to SIM card, such as other mobile phone can by the data of wireless communication interface reading SIM card.
4. the serial communication interface UART (UniversalAsynchronousReceiver/Transmitter) of microcontroller is connected to the serial communication interface of Waist watch type mobile phone radio base band module, for sending AT (Attention) control command to Waist watch type mobile phone.Have in the Waist watch type mobile phone of wireless SIM data-transformation facility of the present invention, the linkage function module of this serial communication interface not necessarily, is the optional function module in order to provide better user's experience to have.Waist watch type mobile phone is as wearable device, and the flying power of its battery is extremely important, has the Waist watch type mobile phone of long battery durable ability, and user does not just need to take off charging from wrist continually.As the Waist watch type mobile phone with cellular mobile communication networks access capability, the baseband module of its radio communication is a main battery consumption module.For user, when it does not need the cellular radio Communication function of use Waist watch type mobile phone, such as when user can use the smart mobile phone of large-screen and use wireless SIM transfer function to access cellular mobile communication networks time, just can close the wireless communication baseband module of Waist watch type mobile phone, in order to save the battery consumption of Waist watch type mobile phone, extend the battery life of Waist watch type mobile phone.The serial communication interface of microcontroller just can send corresponding AT control command to Waist watch type mobile phone, realizes this closedown or opens the function of wireless communication baseband module.
Except optional serial communication connection and microcontroller run necessary power supply supply and are connected, of the present invention there is wireless SIM data-transformation facility Waist watch type mobile phone and existing market in the main distinction of Waist watch type mobile phone be exactly add the microcontroller that has radio communication function between the SIM card interface and SIM card deck of Waist watch type mobile phone, make direct circuit original between Waist watch type mobile phone radio base band module and SIM card connect to become and indirectly connect.In order to not affect the original function of Waist watch type mobile phone, between Waist watch type mobile phone radio base band module and SIM card, original data communication just needs not to be affected.One of major function of microcontroller of the present invention is exactly forwarding data transparent between which, controls the transmission data error and the propagation time delay that forward communication in the middle of this, makes it all in the scope that existing standard specifies.Like this, no matter for Waist watch type mobile phone or SIM card, they all can not aware the existence of the microcontroller in the middle of this, are the same with the data exchange process that circuit between them connects.
Fig. 2 is the flow chart of the microcontroller with radio communication function of the present invention forwarding data pellucidly between Waist watch type mobile phone SIM card interface and SIM card, powers on and accesses the process of mobile prevailing network, have following steps for Waist watch type mobile phone start:
1. Waist watch type mobile phone start powers on, and microcontroller obtains power supply supply, the program brought into operation wherein.
2. electro activation sequential on the smart card that specifies in strict accordance with ISO-7816 standard of microcontroller, for SIM card provides power supply supply, clock signal, reset signal, upper electro activation SIM card also passes through the data I/O interface with SIM card, the reply of reading SIM card resets data, is stored in the memory of microcontroller, waits to be used.Reply in reading and reset after data, according to the data message read, can also and SIM card between have a procedure parameter negotiation selection course.
3. the clock signal clk interface of microcontroller Monitor detection and Waist watch type mobile phone, if receive the clock signal of Waist watch type mobile phone, the just data I/O interface of startup and Waist watch type mobile phone, resets RST interface, reads the output signal of Waist watch type mobile phone SIM card interface.
If 4. microcontroller detects the reset signal with the replacement RST interface of Waist watch type mobile phone, just by the data I/O interface with Waist watch type mobile phone, reply to mobile phone one and reply replacement data.The data of replying are stored in the memory of microcontroller, previously read from the data I/O interface of SIM card.
5. microcontroller is after reply resets data from the 3rd step, and the clock signal clk interface of Monitor detection and Waist watch type mobile phone again, waits for Waist watch type mobile phone clock signal next time.
If 6. microcontroller does not detect the reset signal with the replacement RST interface of Waist watch type mobile phone, just by the data I/O interface with Waist watch type mobile phone, read the control command data that Waist watch type mobile phone issues SIM card.
7. microcontroller is by the clock CLK interface of SIM card, to SIM card clock signal, in the scope that the frequency of clock signal specifies in ISO-7816 standard.
8. microcontroller is by the data I/O interface of SIM card, forwards the control command data of Waist watch type mobile phone to SIM card, and this control command data is previously passed and data I/O interface that is Waist watch type mobile phone is read.
9. microcontroller waits for that SIM card responds the reply of control command, and starts a stand-by period timer.
10. if wait timeout, microcontroller just stops to SIM card clock signal, the exchanges data of end and SIM card.
11. microcontrollers, by the data I/O interface with Waist watch type mobile phone, reply a mistake to Waist watch type mobile phone.
12. microcontrollers are after reply mistake gives Waist watch type mobile phone, and from the 3rd step, the clock signal clk interface of Monitor detection and Waist watch type mobile phone again, waits for Waist watch type mobile phone clock signal next time.
If 13. wait for not having overtime SIM card just to have reply response data, microcontroller passes through the data I/O interface of SIM card, the reply response data of reading SIM card.
14. microcontrollers pass through the data I/O interface with Waist watch type mobile phone, to the reply response data of Waist watch type mobile phone forwarding SIM card.
15. microcontrollers stop to SIM card clock signal, the exchanges data of end and SIM card.
16. microcontrollers are from the 3rd step, and the clock signal clk interface of Monitor detection and Waist watch type mobile phone again, waits for Waist watch type mobile phone clock signal next time.
For the control command of some mobile phone to SIM card, as file select command (select, 0xa4), or authentication order (Authenticate, 0x88) etc., the process of the control command between Waist watch type mobile phone as above and SIM card-reply response, needs multiple exchanges data back and forth just to complete complete order session cycle.In this time, microcontroller will forwarding data between which in multiple times, and the time delay that control data forwards.If forwarding time is overtime, just replys a mistake to Waist watch type mobile phone, terminate this order session cycle, wait for that Waist watch type mobile phone initiates Next Command session.
By transparent forwarding between Waist watch type mobile phone and SIM card, microcontroller of the present invention is on the existing capability of Waist watch type mobile phone without any impact, and its existing Waist watch type mobile phone function can normally use.Waist watch type mobile phone of the present invention also has wireless SIM transfer function, and make other mobile phone by wireless communication interface, can obtain the data of SIM card, access cellular mobile communication networks, for user provides Mobile Communication Service.
Fig. 3 is the wireless communication interface of other mobile phone of the present invention by the microcontroller of Waist watch type mobile phone of the present invention, and the functional flow diagram of the data access cellular mobile communication networks of application SIM card, includes following steps:
1. its wireless communication interface monitored by microcontroller, other mobile phone of wait-receiving mode by being inserted in the communication terminal interface equipment of SIM card slot, the SIM card control command launched.
2. after microcontroller receives SIM card control command from wireless communication interface, just by the clock CLK interface of SIM card, to SIM card clock signal, in the scope that the frequency of clock signal specifies in ISO-7816 standard.
3. microcontroller is by the data I/O interface of SIM card, forwards control command data to SIM card, and this control command data is that previously passed wireless communication interface receives.
4. microcontroller waits for that SIM card responds the reply of control command, and starts a stand-by period timer.
5. if wait timeout, microcontroller just stops to SIM card clock signal, the exchanges data of end and SIM card,
6. microcontroller is by wireless communication interface, launches reply mistake to other mobile phone.
7. microcontroller is replied after mistake in transmitting, from the 1st step, continues monitoring wireless communication interface, once SIM card control command under wait-receiving mode.
Do not have overtime SIM card just to have reply response data if 8. waited for, microcontroller passes through the data I/O interface of SIM card, the reply response data of reading SIM card.
9. microcontroller is by wireless communication interface, to the reply response data of other handset emissions forwarding SIM card.
10. microcontroller stops to SIM card clock signal, the exchanges data of end and SIM card.
11. microcontrollers, from the 1st step, continue monitoring wireless communication interface, once SIM card control command under wait-receiving mode.
At microcontroller, no matter be the SIM card control command that its data I/O interface from Waist watch type mobile phone reads, or its SIM card control command received from wireless communication interface, is all transmitted to SIM card, and the reply response data of SIM card is transmitted to its corresponding interface.So the function of the microcontroller that the present invention increases, the just transmission trunking of SIM card data, between Waist watch type mobile phone and other mobile phone, time-slotting section ground uses the interface of itself and SIM card.This time-multiplexed chronomere is the order session cycle of a SIM card, underway when an order session cycle of Waist watch type mobile phone, when its wireless communication interface receives the control command of other mobile phone of another one simultaneously, the control command of its wireless communication interface needs the order session end cycle waiting for Waist watch type mobile phone.That is, microcontroller establishes multiple logic channel to time division multiplexing between they and SIM card, and concrete implementer's case is open in detail in Chinese invention application 201510056027.7 " method and apparatus of multiple communication terminal wireless sharing SIM card ".
At Waist watch type mobile phone by data I/O interface or other mobile phone by the order conversation procedure of wireless communication interface and microcontroller and SIM card, the SIM card related to, to the reply response data of control command, can preserve a backup copy in the flash memories of microcontroller (flash).Like this, when microcontroller receives identical control command again, just directly from its memory, read it reply response data accordingly, need not read from SIM card again, not only save the time of replying response, also save the power consumption of microcontroller.In fact, microcontroller those all data that can be read by external equipment, can read out storage in its memory, reads when needs from memory again all once.Just those data that can not be read by external equipment, just need microcontroller control command to be transmitted to SIM card at every turn, and read its response reply data from SIM card.According to SIM card application protocol, only has network to the authentication authentication order (Authenticate of SIM card, 0x88), it must be each at SIM card internal operation authentication arithmetic that its SIM card replys response data, can obtain the reply response data to authentication order.So, when microcontroller receives authentication order (comprising the input data random number sequence running authentication arithmetic), need it to be transmitted to SIM card, and read reply response data from SIM card.The data of other all SIM card inside, can be read by external equipment.
Fig. 4 is that the microcontroller of Waist watch type mobile phone of the present invention is stored in SIM card data in its flash memory, just just reading the functional flow diagram of replying response from SIM card when receiving authentication order, including step:
1. microcontroller obtains power supply supply, all constituent instruments data in reading SIM card, stores in its memory.The SIM card control command of wait-receiving mode Waist watch type mobile phone or other mobile phone.
2., when microcontroller receives control command from the data I/O interface of Waist watch type mobile phone or wireless communication interface, first judge whether this order is authentication order (Authenticate, 0x88).
3. if not authentication order, from its memory, just read the reply response data of corresponding control command, directly reply to Waist watch type mobile phone or other mobile phone, or write more new data directly to its memory.
If the order 4. received is authentication order, just by the clock CLK interface of SIM card, to SIM card clock signal, in the scope that the frequency of clock signal specifies in ISO-7816 standard.
5. microcontroller is by the data I/O interface of SIM card, sends authentication action command and random number sequence to SIM card.
6. microcontroller waits for that SIM card runs the result of authentication order, and starts a stand-by period timer.
7. if wait timeout, microcontroller stops to SIM card clock signal, terminates the result data reading authentication order.
8. microcontroller replys an authentication mistake to Waist watch type mobile phone or other mobile phone.
Do not have overtime SIM card just to have the result data of replying authentication order if 9. waited for, microcontroller passes through the data I/O interface of SIM card, the operation result data of reading SIM card authentication order.
10. microcontroller replys the result data of authentication order to Waist watch type mobile phone or other mobile phone.
11. microcontrollers stop to SIM card clock signal, terminate the session cycle of authentication order.
Waist watch type mobile phone of the present invention, except saving except power consumption by preserving a SIM card data backup copy in the memory of its microcontroller, can also save power consumption by the wireless communication baseband module of closing Waist watch type mobile phone.Under normal circumstances, smart mobile phone due to large-screen has good User Interface and user's experience, and smart mobile phone can use the SIM card data of Waist watch type mobile phone by wireless communication interface and have the telephone number identical with Waist watch type mobile phone, so user will use the smart mobile phone of large-screen by prioritizing selection, only when being inconvenient to carry the smart mobile phone of large-screen, re-use Waist watch type mobile phone.So when Waist watch type mobile phone and smart mobile phone can use in in-plant scope, owing to using smart mobile phone, Waist watch type mobile phone just there is no need to access cellular mobile communication networks.At this moment, just can close the wireless communication baseband module of Waist watch type mobile phone to save power consumption, extend the battery life of Waist watch type mobile phone.The microcontroller of Waist watch type mobile phone of the present invention also has a functional module, may be used for detecting it and insert the wave point connection status of communication terminal interface equipment of smart mobile phone SIM card slot, judge Waist watch type mobile phone mobile phone and smart mobile phone whether in in-plant scope.
A program is run, for safeguarding the wireless communication link of itself and communication terminal interface equipment in the microcontroller of Waist watch type mobile phone of the present invention.Launch a wireless signal to microcontroller communication terminal interface equipment timed periodic, if microcontroller can regularly receive this wireless signal, just judge that Waist watch type mobile phone and smart mobile phone are in in-plant scope, user can use smart mobile phone to complete wireless communications application.Microcontroller is by serial communication interface, and the serial communication interface to the radio base band module of Waist watch type mobile phone sends an AT control command, makes the connection of Waist watch type mobile phone disconnection and cellular mobile communication networks, is in lower powered energy-saving run state.Such as, can send order " AT+CFUN=0 " makes Waist watch type mobile phone enter minimum functional mode.If microcontroller does not periodically receive the wireless signal of communication terminal interface equipment, just judge Waist watch type mobile phone and smart mobile phone not in in-plant scope, user can only use Waist watch type mobile phone.Equally, microcontroller is by serial communication interface, and the serial communication interface to the radio base band module of Waist watch type mobile phone sends an AT control command, makes Waist watch type mobile phone access cellular mobile communication networks, be in holding state, be prepared as user at any time and Mobile Communication Service is provided.Such as, order " AT+CFUN=1 " can be sent and make Waist watch type mobile phone enter global function pattern, access cellular mobile communication networks.The such handoff procedure of Waist watch type mobile phone is that the program by running in the microcontroller automatically completes, and does not need that user's manually arrange switching, improves the experience of user while saving power consumption.
Fig. 5 is the functional flow diagram of the program run in the microcontroller of Waist watch type mobile phone of the present invention, by detecting the connection status of the wireless communication link of itself and communication terminal interface equipment, controlling the connection of Waist watch type mobile phone access or disconnection and cellular mobile communication networks, is completed by following step:
1. the communication terminal interface equipment timed periodic ground inserting smart mobile phone SIM card slot sends wireless signal, in order to safeguard the wireless communication link of the microcontroller of itself and Waist watch type mobile phone.
2. microcontroller is at its wireless communication interface, and the wireless communication link that received communication terminal interface device is launched connects safeguards wireless signal.
If 3. microcontroller does not periodically receive link maintenance wireless signal, just judge Waist watch type mobile phone and smart mobile phone not in in-plant scope, user can only use Waist watch type mobile phone.
4. microcontroller passes through serial communication interface, wireless communication baseband module to Waist watch type mobile phone sends AT control command " AT+CFUN=1 ", controls Waist watch type mobile phone and enters global function pattern, access cellular mobile communication networks, be in holding state, be prepared as user at any time and Mobile solution service is provided.
5. microcontroller continues to monitor its wireless communication interface, and the wireless communication link that received communication terminal interface device is launched connects safeguards wireless signal.
If 6. microcontroller does not periodically receive link maintenance wireless signal, just maintain global function pattern, be in holding state.
If 7. microcontroller periodically receives link maintenance wireless signal, just judge that Waist watch type mobile phone and smart mobile phone are in in-plant scope, user does not need to use Waist watch type mobile phone.
8. microcontroller passes through serial communication interface, wireless communication baseband module to Waist watch type mobile phone sends AT control command " AT+CFUN=0 ", control Waist watch type mobile phone and enter minimum functional mode, the connection of disconnection and cellular mobile communication networks, is in the energy-saving run state of low-power consumption.
9. microcontroller continues to monitor its wireless communication interface, and the connection status of wireless communication link according to itself and communication terminal interface equipment, determine its further controlling behavior.
Like this, by running program in the microcontroller, Waist watch type mobile phone can automatically according to the use needs of user, adjust oneself network connection state and power consumption, under the service condition of mobile communication business not affecting user, decrease power consumption to greatest extent, extend the battery life of Waist watch type mobile phone.
Because microcontroller is relative to the SIM card interface of Waist watch type mobile phone, it is exactly a Full Featured SIM card, therefore a program can just be run in the microcontroller, utilize the SIM card application toolkit (SAT of standard, SIMApplicationToolkit) interface, sends control command to Waist watch type mobile phone.Such as, can control Waist watch type mobile phone and set up SAT tool box menu, user can the interactive function of application menu, and input password is arranged, for the authentication authentication that wireless SIM transmits.Waist watch type mobile phone and smart mobile phone only have by after mutual authentication authentication, are just allowed to exchange SIM card data between which, ensure the safety of user's SIM card data.
Fig. 6 is the flow chart of the control command of the microcontroller operation SIM card application toolkit of Waist watch type mobile phone of the present invention, and by standard SAT interface, microcontroller can send control command to Waist watch type mobile phone, includes following steps:
1. Waist watch type mobile phone start powers on, and its SIM card interface is by the transparent forwarding of microcontroller, and SIM card carries out the exchanges data of control command session, accessing mobile communication network.
2. microcontroller is according to application needs, and arranging SIM card application toolkit (SAT) indexed variable is 1 or 0, and whether carry out identification notification Waist watch type mobile phone has SAT data to be transferred to Waist watch type mobile phone.If indexed variable is 1, represent that microcontroller has SAT order to send to Waist watch type mobile phone; If indexed variable is 0, then represent that microcontroller does not have SAT order to send to Waist watch type mobile phone.
3. during each order session end cycle of successful operation between Waist watch type mobile phone and SIM card, microcontroller all will by and the data I/O interface of Waist watch type mobile phone, forward the condition responsive data " 0x900x0 " of the successful operation of a SIM card reply.In order to send SAT control command to Waist watch type mobile phone, microcontroller does not just directly forward the condition responsive data of successful operation, but checks the SAT order indexed variable that the 2nd step is arranged.
4. if SAT order indexed variable is 0, microcontroller just replys Waist watch type mobile phone, and the previous command session successful operation terminates, recoil state response data " 0x900x0 ".
5. if SAT order indexed variable is 1, microcontroller just replys Waist watch type mobile phone, and SIM card has further data to need to be transferred to Waist watch type mobile phone, recoil state response data " 0x91XX ", and wherein XX is the byte length (bytes) of data.
6. Waist watch type mobile phone is by the data I/O interface with microcontroller, sends SIM data retrieval commands (fetch, 0x12), to obtain the SIM card data of the condition responsive data " 0x91XX " of the 5th step.
7. the data retrieval commands (fetch, 0x12) of Waist watch type mobile phone replied by microcontroller, and send SAT control command to Waist watch type mobile phone, the SAT application function of completing user, such as, set up function menu, obtains user's input etc.
8. microcontroller is according to further SAT application function needs, resets or remove the SAT order indexed variable of the 2nd step.
The effect of invention
The present invention passes through to increase the micro controller module that has radio communication function between the SIM card interface of the radio base band module of the Waist watch type mobile phone in existing market and SIM card deck, when not affecting the using function of Waist watch type mobile phone, it is made also to have wireless SIM transfer function, other mobile phone can use the data access cellular mobile communication networks in SIM card by wireless communication interface, facilitate user and select the use of different communication terminal equipment under different use scenes.The present invention also by running software function program module in the microcontroller, saving the power consumption of Waist watch type mobile phone, also providing more convenient human-computer interaction interface, improve the experience that user uses Waist watch type mobile phone.
Accompanying drawing explanation
Fig. 1 is functional module and the connection layout thereof with the Waist watch type mobile phone of wireless SIM data-transformation facility of the present invention.
Fig. 2 is the flow chart of the microcontroller with radio communication function of the present invention forwarding data pellucidly between Waist watch type mobile phone SIM card interface and SIM card.
Fig. 3 is the wireless communication interface of other mobile phone of the present invention by Waist watch type mobile phone microcontroller, the flow chart of the data access cellular mobile communication networks of application SIM card.
Fig. 4 is that the microcontroller of Waist watch type mobile phone of the present invention is stored in SIM card data in its flash memory, just just reads the flow chart of replying response from SIM card when receiving authentication order.
Fig. 5 is function and the flow chart of runs software program in the microcontroller of Waist watch type mobile phone of the present invention, by detecting the connection status of the wireless communication link of itself and communication terminal interface equipment, control the connection of Waist watch type mobile phone access or disconnection and cellular mobile communication networks.
Fig. 6 is the microcontroller runs software program of Waist watch type mobile phone of the present invention, and send the flow chart of the control command of SIM card application toolkit to Waist watch type mobile phone, by standard SAT interface, microcontroller can control Waist watch type mobile phone, the SAT application function of completing user.
Embodiment
Waist watch type mobile phone of the present invention only needs the basis in existing hardware and software, increases a microcontroller with radio communication function and the software program module run thereon.Can use different implementer's cases, such as, radio communication function can be bluetooth, WLAN (wireless local area network) etc., and microcontroller can be any microcontroller with input/output interface, runs software program thereon, just can realize function of the present invention.Below for bluetooth SOC (system on a chip) (SoC, Systemonchip) the chip nRF51822 of Nordic company of Norway, illustrate concrete implementer's formula of the present invention.
Chip nRF51822 supports the 2.4G radio communication of multi-protocols, and comprise bluetooth 4.0 agreement of proprietary host-host protocol and standard, user also can utilize its API to realize the application communication agreement of oneself.NRF51822 has an ARMCortexM0 and controls kernel as it, can control the C programmer of kernel operation standard at it.NRF51822 also has 31 can GPIO (GeneralPurposeInput/Output, the universal input export) interface of flexible configuration, according to different needs, is configured to different using function.Its serial communication interface also flexible configuration can become arbitrary GPIO mouth, and the realization for hardware provides conveniently.In addition, the supply power voltage of chip nRF51822 can be 1.8V-3.6V, and so flexible supply power mode makes it can obtain power supply supply very easily from the power-supply management system of existing table mobile phone mobile phone.
Chip nRF51822 specifically can implement the present invention according to following mode:
1. power supply supply.In the power-supply management system of existing Waist watch type mobile phone, usually all provide the power supply supply of 2.8V, chip nRF51822 directly can use such power supply supply.On the other hand, nRF51822 directly can also obtain power supply supply from the lithium battery of Waist watch type mobile phone.Due to the voltage normally 3.6V-4.2V of lithium battery, beyond the supply power voltage claimed range of nRF51822, in concrete technology of the present invention is implemented, increase a stabilized voltage power supply functional module in addition, make nRF51822 can obtain required supply voltage.Although such execution mode adds a power regulator, the power supply of nRF51822 does not just rely on the operating state of Waist watch type mobile phone, can close Waist watch type mobile phone, and it is in running order only to retain nRF51822 module when needs.Such as, when Waist watch type mobile phone user together with smart mobile phone does not need to use Waist watch type mobile phone time, just smart mobile phone can be used, the power supply of closedown Waist watch type mobile phone and only to retain nRF51822 in running order.Such working method saves power consumption more than making Waist watch type mobile phone enter minimum functional mode by serial communication interface to Waist watch type mobile phone transmission AT control command.
2. input/output interface.Can use any GPIO mouth in 31 of nRF51822 GPIO mouths, and the SIM card interface of Waist watch type mobile phone and the card slot contact of SIM card holder carry out circuit connection.The SIM card interface of Waist watch type mobile phone needs 3 GPIO mouths to connect, namely data I/O interface (is configured to out leakage input pattern, Open-Drain), clock signal clk interface (being configured to input pattern), reset signal RST interface (being configured to input pattern).The card slot contact of SIM card holder also needs 3 GPIO mouths to connect, namely data I/O interface (is configured to out leakage input pattern, Open-Drain), clock signal clk interface (being configured to output mode), reset signal RST interface (being configured to output mode).Wherein data I/O interface is configured to out leakage input pattern, makes this interface namely can be used as the input interface of SIM data retransmission, also can be used as the output interface of SIM data retransmission.For the power contact (VCC) of SIM card holder, also directly can use the GPIO of nRF51822, be configured to strong drive pattern (HighDrive), more electric current deliverability can be provided, improve the stability of system cloud gray model.Or control other power interface with a GPIO mouth to power, like this, just can control the power supply supply of SIM card easily, make its activation and deactivation process can meet the electric timing requirements of interface.Finally, the serial that arbitrary 2 GPIO mouths can be used to be connected to Waist watch type mobile phone radio base band module is passed through interface, for sending AT control command, controls the operating state of Waist watch type mobile phone.Like this, altogether need 9 GPIO mouths just can realize all input/output functions of microcontroller of the present invention, and can according to hard-wired convenience any choice for use from 31 GPIO mouths.
3. data store.NRF51822 has the flash memories up to 256K, except depositing its program run, those all digital independent that can be read by external equipment in the basic file system of SIM card out, can be preserved a backup copy at flash memories completely.NRF51822 can also such as, some user data, telephone number and short message etc., use the memory of SIM card to be directly stored in SIM card in addition.
4. software function.The ARMCortexM0 of nRF51822 controls kernel can the C programmer of operation standard, and all functions of microcontroller of the present invention, all realize by the software function module run thereon.The SIM data transparency comprising Waist watch type mobile phone SIM card interface forwards, other mobile phone is by the wireless SIM transfer function of wireless communication interface, from SIM card, read all data of basic file system and store in a flash memory, authentication arithmetic action command is sent to SIM card, pass through interface to functions such as Waist watch type mobile phone radio base band module transmission AT control commands by the SIM application toolkit interface of standard to Waist watch type mobile phone transmission control command and by serial, can be realized by the software function module of the control kernel operating in nRF51822.
5. wireless communication interface.The wireless communication interface of nRF51822 may be used for wireless SIM transfer of data of the present invention, is no matter the proprietary wireless transmission protocol that provides of Nordic company or the bluetooth of standard 4.0 agreement can use.Its API (SDK, SoftwearDevelopmentKit) can also be used to realize special application communication agreement, provide convenient concrete technology flexibly to realize to the transparent forwarding of wireless SIM data.
By increasing a bluetooth on-chip system chip nRF51822 at the SIM card interface of Waist watch type mobile phone, and operating in the software program that it controls kernel, just can realize all functions of the present invention.Such embodiment is the technical scheme that the invention provides a simple possible, certainly, some other hardware and combination of software can also be applied, under technological guidance's thought of the present invention, realize function of the present invention, the use for user provides convenient selection.

Claims (10)

1. a watch type mobile telephone, it is characterized in that, described watch type mobile telephone is between the SIM card interface of its radio base band module and the contact of SIM card deck connect, and increases the microcontroller that has radio communication function, there is between them functional module as described below connect
1) the power supply supply VCC of microcontroller is directly connected in Waist watch type mobile phone power interface, the such as direct powered battery by Waist watch type mobile phone, or other independent current source interface,
2) input/output interface of microcontroller is connected to the corresponding interface of Waist watch type mobile phone radio base band Module SIM card interface, comprises data input and output I/O interface, clock signal clk interface, and reset signal RST interface is totally three interfaces,
A) data I/O interface both can as the input port of microcontroller, make microcontroller can read the data of Waist watch type mobile phone SIM card interface, receive order or data that Waist watch type mobile phone issues SIM card, also can as the delivery outlet of microcontroller, make microcontroller can reply data to Waist watch type mobile phone
B) clock signal clk interface is the input port as microcontroller, for receiving the clock signal of Waist watch type mobile phone SIM card interface,
C) reset signal RST interface is the input port as microcontroller, for receiving the reset signal of Waist watch type mobile phone SIM card interface,
3) input/output interface of microcontroller is connected to the corresponding interface of Waist watch type mobile phone SIM card holder, and comprise power supply supply VCC interface, data input and output I/O interface, clock signal clk interface, reset signal RST interface is totally four interfaces,
A) power supply supply VCC interface is the delivery outlet as microcontroller, powers for the SIM card controlled to inserting SIM card slot,
B) data I/O interface both can as the delivery outlet of microcontroller, microcontroller is made can directly to send control command or data to SIM card, or forward the control command or data that Waist watch type mobile phone sends to SIM card, also can as the input port of microcontroller, make microcontroller can reading SIM card to the reply response data of control command
C) clock signal clk interface is the delivery outlet as microcontroller, clock signal during for providing it to run to SIM card,
D) reset signal RST interface is the delivery outlet as microcontroller, for sending reset signal when needs to SIM card.
2. according to the microcontroller of watch type mobile telephone as claimed in claim 1, it is characterized in that, the serial communication interface UART (UniversalAsynchronousReceiver/Transmitter) of described microcontroller is connected to the serial communication interface of the radio base band module of Waist watch type mobile phone.
3. according to the microcontroller of watch type mobile telephone as claimed in claim 1, it is characterized in that, described microcontroller forwards the exchanges data between them pellucidly between the SIM card interface and SIM card of watch type mobile telephone radio base band module, makes the time delay of data retransmission and transmission error all in the critical field of SIM application protocol.
4. according to transparent data forwarding capability as claimed in claim 3, it is characterized in that, described transparent data forwarding capability is the software program functional module by operating in described microcontroller, and realized by following flow process,
1) Waist watch type mobile phone start powers on, and microcontroller obtains power supply supply, the program brought into operation wherein,
2) microcontroller provides power supply supply, clock signal, reset signal for SIM card, upper electro activation SIM card and by and the data I/O interface of SIM card, the reply of reading SIM card resets data,
3) the clock signal clk interface of microcontroller Monitor detection and Waist watch type mobile phone, if receive the clock signal of Waist watch type mobile phone, the just data I/O interface of startup and Waist watch type mobile phone, resets RST interface, reads the output signal of Waist watch type mobile phone SIM card interface,
4) if microcontroller detects that Waist watch type mobile phone resets the reset signal of RST interface, just by the data I/O interface with Waist watch type mobile phone, reply to Waist watch type mobile phone one reply and reset data,
5) microcontroller resets after data from the 3rd in reply) step, the clock signal clk interface of Monitor detection and Waist watch type mobile phone again, waits for Waist watch type mobile phone clock signal next time,
6) if microcontroller does not detect the reset signal with the replacement RST interface of Waist watch type mobile phone, just by the data I/O interface with Waist watch type mobile phone, the control command data that Waist watch type mobile phone issues SIM card is read,
7) microcontroller is by the clock CLK interface of SIM card, to SIM card clock signal,
8) microcontroller is by the data I/O interface of SIM card, forwards the control command data of Waist watch type mobile phone to SIM card,
9) microcontroller waits for that SIM card responds the reply of control command, and starts a stand-by period timer,
10) if wait timeout, microcontroller just stops to SIM card clock signal, the exchanges data of end and SIM card,
11) microcontroller is by the data I/O interface with Waist watch type mobile phone, replys a mistake to Waist watch type mobile phone,
12) microcontroller is given after Waist watch type mobile phone, from the 3rd in reply mistake) step, the clock signal clk interface of Monitor detection and Waist watch type mobile phone again, waits for Waist watch type mobile phone clock signal next time,
13) do not have overtime SIM card just to have reply response data if waited for, microcontroller passes through the data I/O interface of SIM card, the reply response data of reading SIM card,
14) microcontroller is by the data I/O interface with Waist watch type mobile phone, to the reply response data of Waist watch type mobile phone forwarding SIM card,
15) microcontroller stops to SIM card clock signal, the exchanges data of end and SIM card,
16) microcontroller is from the 3rd) step, the clock signal clk interface of Monitor detection and Waist watch type mobile phone again, waits for Waist watch type mobile phone clock signal next time.
5. according to the microcontroller of watch type mobile telephone as claimed in claim 1, it is characterized in that, described microcontroller can also pass through its wireless communication interface, other mobile phone is made to can be wireless in microcontroller, SIM card to watch type mobile telephone sends the reply response data of data or reading SIM card, forwards the exchanges data between them between other mobile phone and SIM card pellucidly.
6., according to the transparent data forwarding capability by wireless communication interface as claimed in claim 5, it is characterized in that, described transparent data forwarding capability is the software program functional module by operating in described microcontroller, and realized by following flow process,
1) its wireless communication interface monitored by microcontroller, other mobile phone of wait-receiving mode by being inserted in the communication terminal interface equipment of SIM card slot, the SIM card control command launched,
2) after microcontroller receives SIM card control command from wireless communication interface, just by the clock CLK interface of SIM card, to SIM card clock signal,
3) microcontroller is by the data I/O interface of SIM card, forwards control command data to SIM card,
4) microcontroller waits for that SIM card responds the reply of control command, and starts a stand-by period timer,
5) if wait timeout, microcontroller just stops to SIM card clock signal, the exchanges data of end and SIM card,
6) microcontroller is by wireless communication interface, launches reply mistake to other mobile phone,
7) microcontroller is replied after mistake, from the 1st in transmitting) step, continue monitoring wireless communication interface, once SIM card control command under wait-receiving mode,
8) do not have overtime SIM card just to have reply response data if waited for, microcontroller passes through the data I/O interface of SIM card, the reply response data of reading SIM card,
9) microcontroller is by wireless communication interface, to the reply response data of other handset emissions forwarding SIM card,
10) microcontroller stops to SIM card clock signal, the exchanges data of end and SIM card,
11) microcontroller is from the 1st) step, continue monitoring wireless communication interface, once SIM card control command under wait-receiving mode.
7. according to the microcontroller of watch type mobile telephone as claimed in claim 1, it is characterized in that, those all data that can be read by external equipment in described microcontroller reading SIM card also store in its memory, in order to reply its corresponding control command, only have when receiving authentication authentication order (Authenticate, time 0x88), just forward authentication order to SIM card, and the operation result reading authentication order from SIM card is as reply response data.
8., according to the reading of microcontroller as claimed in claim 7, store, forwarding capability module, is characterized in that, described functional module is the software program functional module by operating in described microcontroller, and realized by following flow process,
1) microcontroller obtains power supply supply, all data that can be read by external equipment in reading SIM card, stores in its memory,
2), when microcontroller receives control command from the data I/O interface of Waist watch type mobile phone or wireless communication interface, first judge whether this order is authentication order (Authenticate, 0x88),
3) if not authentication order, from its memory, just read the reply response data of corresponding control command, directly reply to Waist watch type mobile phone or other mobile phone, or write more new data directly to its memory,
4) if the order received is authentication order, just by the clock CLK interface of SIM card, to SIM card clock signal,
5) microcontroller is by the data I/O interface of SIM card, sends authentication action command and random number sequence to SIM card,
6) microcontroller waits for that SIM card runs the result of authentication order, and starts a stand-by period timer,
7) if wait timeout, microcontroller stops to SIM card clock signal, terminates the result data reading authentication order,
8) microcontroller replys an authentication mistake to Waist watch type mobile phone or other mobile phone,
9) do not have overtime SIM card just to have the result data of replying authentication order if waited for, microcontroller passes through the data I/O interface of SIM card, the operation result data of reading SIM card authentication order,
10) microcontroller replys the result data of authentication order to Waist watch type mobile phone or other mobile phone.
11) microcontroller stops to SIM card clock signal, terminates the session cycle of authentication order.
9. according to the microcontroller of watch type mobile telephone as claimed in claim 1, it is characterized in that, described microcontroller runs a software function module, described software function module automatically detects the wireless communication interface of microcontroller and the connection status of other mobile phone, and automatically control watch type mobile telephone access according to connection status or disconnect the connection of cellular mobile communication networks, user's experience is improved while optimizing the power consumption of mobile phone, described software function module is realized by following flow process
1) wireless signal is sent with inserting the communication terminal interface equipment timed periodic of other SIM cards of mobile phones slot, in order to safeguard the wireless communication link of the microcontroller of itself and Waist watch type mobile phone,
2) microcontroller is at its wireless communication interface, and the wireless communication link that received communication terminal interface device is launched connects safeguards wireless signal,
3) if microcontroller does not periodically receive link maintenance wireless signal, just judge Waist watch type mobile phone and smart mobile phone not in in-plant scope, user can only use Waist watch type mobile phone,
4) microcontroller is by serial communication interface, and the wireless communication baseband module to Waist watch type mobile phone sends control command, and access cellular mobile communication networks, is in holding state, is prepared as user at any time and provides Mobile solution service,
5) microcontroller continues to monitor its wireless communication interface, and the wireless communication link that received communication terminal interface device is launched connects safeguards wireless signal,
6) if microcontroller does not periodically receive link maintenance wireless signal, just maintain global function pattern, be in holding state,
7) if microcontroller periodically receives link maintenance wireless signal, just judge that Waist watch type mobile phone and smart mobile phone are in in-plant scope, user does not need to use Waist watch type mobile phone,
8) microcontroller is by serial communication interface, and the wireless communication baseband module to Waist watch type mobile phone sends control command, controls Waist watch type mobile phone and enters the energy-saving run state of low-power consumption or close Waist watch type mobile phone,
9) microcontroller continues to monitor its wireless communication interface, and the connection status of wireless communication link according to itself and communication terminal interface equipment, determine its further controlling behavior.
10. according to the microcontroller of watch type mobile telephone as claimed in claim 1, it is characterized in that, described microcontroller runs a software function module, SIM card application toolkit (the SAT of described software function module application standard, SIMApplicationToolkit) interface, sends SAT order, for user provides the application function of SAT to Waist watch type mobile phone, described software function module is realized by following flow process
1) Waist watch type mobile phone start powers on, and its SIM card interface is by the transparent forwarding of microcontroller, and SIM card carries out the exchanges data of control command session, accessing mobile communication network,
2) microcontroller is according to the needs of application function, arranges SIM card application toolkit (SAT) indexed variable, and whether carry out identification notification Waist watch type mobile phone has SAT data to need to be transferred to Waist watch type mobile phone,
3), during each order session end cycle of successful operation between Waist watch type mobile phone and SIM card, microcontroller does not directly forward the condition responsive data of successful operation, but checks the 2nd) the SAT order indexed variable that arranges of step,
4) if the instruction of SAT order mark does not have SAT order data, microcontroller just replys Waist watch type mobile phone, and the previous command session successful operation terminates,
5) if SAT order mark instruction microcontroller has SAT order data to need to be transferred to Waist watch type mobile phone, microcontroller just replys Waist watch type mobile phone, and SIM card has further data to need to be transferred to Waist watch type mobile phone,
6) Waist watch type mobile phone is by the data I/O interface with microcontroller, sends SIM data retrieval commands, obtains SIM card data from microcontroller.
7) data retrieval commands of Waist watch type mobile phone replied by microcontroller, sends SAT control command to Waist watch type mobile phone, the SAT application function of completing user,
8) microcontroller is according to further SAT application function needs, resets or remove the 2nd) the SAT order indexed variable of step.
CN201510830053.0A 2015-11-26 2015-11-26 Watch phone with wireless SIM (Subscriber Identity Module) transmission function Pending CN105375942A (en)

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Application publication date: 20160302