CN204119526U - A kind of device of perception 3G mobile phone users identity information - Google Patents
A kind of device of perception 3G mobile phone users identity information Download PDFInfo
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Abstract
A device for perception 3G mobile phone users identity information, comprises induction of signal module, signal switching module, calling terminal module, terminal called module, protocol process module, terminal control module, database module.When 3G mobile terminal is positioned at the coverage of induction of signal module and signal switching module, signal switching module makes it start cell reselection process.Induction of signal module is asked and is obtained the identity information of user under the control of protocol process module, realizes perception 3G mobile terminal IMEI and user IMSI.Calling terminal module utilizes the IMSI of perception and terminal called to establish call connection, and terminal called module first receives 3G mobile phone users MSISDN, is then transferred to protocol process module, and last call release connects.The MSISDN received mates with the IMSI of perception by protocol process module, stored in database module, realizes the identity information of perception 3G mobile phone users.
Description
Technical field
The utility model is a kind of device of perception 3G mobile phone users identity information, is applicable to 3G (3
rdgeneration, 3-G (Generation Three mobile communication system)) network, backward compatible GSM (Global System of Mobile communication, global system for mobile communications) network, belongs to field of information security technology simultaneously.
Background technology
Popularizing of present mobile communication technology, especially 3G mobile communication technology, makes the information transmission between people more and more rely on and wireless mobile telecommunication technology.3 G mobile communication network, the i.e. develop rapidly of 3G mobile communications network, service perfect, and with the good compatibility of GSM network, make 3G mobile communications network have increasing user.In the mobile communication network, realize the communication between user, the subscriber identity information of both sides will be determined first exactly, and the identity information of user is the exclusive evidence of a mark 3G mobile phone users.The service of the overwhelming majority that 3G network provides is all the identity information based on 3G mobile phone users.Therefore, for the perception of the identity information of 3G mobile phone users, will be the basis of 3G mobile phone users being implemented to every security control.As can be seen here, it is very significant for realizing the perception of 3G mobile phone users identity information.
In order to realize the perception to mobile phone users identity information, domestic and international many research institutions are to this has been research.Node difference according to obtaining mobile phone users identity information can be divided into two kinds, a kind of by implanting specific code snippet in mobile terminal, obtains the identity information of mobile phone users.This method directly obtains the identity information of user from mobile terminal, do not need to carry out data interaction aloft, complete software simulating, with low cost.But because need operating mobile terminal, and depend on the system environments of mobile terminal, implement more difficult, the scope of application will be restricted.Another kind of implementation does not then contact mobile terminal, and carried out the identity information of perception mobile phone users by the radio communication between awareness apparatus and mobile terminal, this implementation can be further divided into active and passive type again.Active awareness apparatus on one's own initiative with communication of mobile terminal, request mobile terminal sends the identity information of mobile phone users, and Objective is strong, and perception velocities is fast, but can produce certain impact to the proper communication of mobile terminal, is easily discovered by experienced user.The normal radio communication of passive type awareness apparatus perception mobile terminal, and therefrom parse the identity information of mobile phone users, be not easy to be discovered, but it is helpless for the mobile terminal of idle condition, and owing to needing the wireless channel following the trail of communication of mobile terminal, usually can only simultaneously perception mobile terminal, and it is high to realize difficulty, cost intensive.
The identity information of mobile phone users mainly comprises IMSI (international mobile subscriber identity, international mobile subscriber identity) and MSISDN (Mobile Subscriber International ISDN/PSTN number, mobile subscriber number), relevant cognition technology, existing certain research.The utility model of number of patent application 200910055495.7 proposes a kind of method of mobile terminal automatic acquisition the machine MSISDN, the transmit direction of this method control antenna and transmitting power, to the mobile terminal broadcast in particular range, by mobile terminal reporting to server client interim identity or IMSI, then from mobile communication system, obtain MSISDN by server.But this utility model for GSM mobile termination, and can only need mobile terminal client terminal support.The people such as Song Yubo propose a kind of IMEI (International Mobile Equipment Identity, the international identification code of mobile device) of perception mobile terminal and the method for mobile phone users IMSI in " A GSM/UMTS Selective Jamming System " literary composition.This article proposes by building a security control base station to the mobile terminal broadcast system information in its coverage, it is made to perform cell re-selection procedure, reselect to security control base station, the IMEI of mobile terminal and the IMSI of mobile phone users will be asked in security control base station in gravity treatment implementation.But the method is just for the user of GSM mobile termination, and cannot obtain the MSISDN of GSM mobile termination user.Number of patent application be 201210039485.6 utility model expand on this basis, by the IMSI of the mobile phone users of perception, simulating mobile terminal user make a call, and obtains the MSISDN of mobile phone users.But this utility model can only realize the identity information perception to GSM mobile termination user.The people such as Yang Jing propose a kind of third party's detection system target identities acquisition algorithm in " third party's detection system target identities acquisition algorithm design and implimentation " literary composition, by resolving the system information of current base station, the paging channel of locking base station, mutely subsequently exhale destination mobile terminal, obtain the identity information with mobile phone users in beep-page message.But this method only can obtain the MSISDN of mobile phone users, and cannot obtain IMSI.201110049889.9 utility model describe a kind of method of mobile terminal automatic acquisition MSISDN, note is sent to a short message transceiver by mobile terminal, short message transceiver perceives the MSISDN of mobile terminal while receiving note, in server stores backup, and reply with the note of mobile phone users MSISDN to mobile terminal.But this method initiatively can only go perception by mobile terminal, and be only limited to the MSISDN obtaining mobile phone users.
Utility model content
The purpose of this utility model is the defect overcoming prior art existence, and under providing one to operate in Unix/Linux serial system, the apparatus and method of the identity information of perception 3G mobile phone users, belong to information security field.Adopt technology of the present utility model, can the IMEI of IMSI and 3G mobile terminal of perception 3G mobile phone users, then further according to IMSI, the MSISDN of perception 3G mobile phone users, and store and retain.Thus the perception achieved 3G mobile phone users identity information (comprising IMSI and MSISDN).
The technical scheme realizing the utility model object is: the utility model proposes the apparatus and method that a kind of perception is positioned at the 3G mobile phone users identity information of induction of signal module coverage.Mainly comprise seven parts: induction of signal module, signal switching module, calling terminal module, terminal called module, protocol process module, terminal control module, database module.
Induction of signal module, achieves the function of base station radio-frequency receiving-transmitting on a wireless interface, digital baseband and frequency conversion in mobile communications network, comprises induction of signal antenna, A/D change-over circuit module, induction of signal control module and data transmission interface module.During received RF signal, first aerial signal is received by induction of signal antenna, then the conversion of signal from analog to numeral is realized by A/D change-over circuit module, last under the control of induction of signal control module by digital signal by data transmission interface module transfer to protocol process module process, the host-host protocol wherein used is USB2.0.When sending radiofrequency signal, first the digital signal needing to send is received by data transmission interface module, then under the management of induction of signal control module, completed the conversion of digital to analogy by A/D change-over circuit module, finally completed the transmission of radiofrequency signal by induction of signal antenna.
Signal switching module, by producing 3G mobile terminal switching signal, realize the function that 3G mobile terminal is initiatively connected with induction of signal module communication, comprise clock generation circuit module, switching signal generation module, radio frequency power amplification module and signal switching antenna.First by clock generation circuit module for switching signal generation module provides switching signal to produce necessary clock signal, then controllably produce switching signal by switching signal generation module and be transferred to radio frequency power amplification module, then by radio frequency power amplification module, radio-frequency power is risen to suitable scope, be finally sent to 3G mobile terminal by signal switching antenna.
Calling terminal module, achieves the function that simulation 3G mobile phone users identity makes a call to terminal called module, comprises order receiving circuit module, hello protocol realizes module and calling Executive Module.First communicated with terminal control module by order receiving circuit module, obtain calling and necessaryly realize details, comprise the IMSI of 3G mobile phone users, then realize by hello protocol the calling that module receives according to order receiving circuit module and realize details, perform corresponding hello protocol, finally complete the calling to terminal called module by calling Executive Module.
Terminal called module, achieves response and the function of the content of resolving called terminal module call request, comprises calling and answer module, answer protocol realization module and data transmission module.Module is answered in calling at running background, can monitor whether have call request.When there being call request to arrive, first module responds call signaling is answered by calling, then answer protocol realization module and perform corresponding response protocol, and perception is with the data of calling party's identity information (i.e. the MSISDN of 3G mobile phone users), is finally transmitted by data transmission module.
Protocol process module, according to 3GPP (3rd Generation Partnership Project, third generation partner program) standard, realize controlling and the data communication of 3G mobile terminal and the function obtaining 3G mobile phone users identity information, service data transmission process process, protocol data treatment progress, switching signal configuration process and user profile extract process.Switching signal configuration process is according to the 3G mobile terminal cell reselection protocol in 3GPP standard, and control signal handover module produces switching signal.When in the coverage that 3G mobile terminal is in induction of signal module and signal switching module, active and induction of signal module communication under the switching signal effect that signal switching module produces, now first set up the connection with 3G mobile terminal by protocol data treatment progress by data transmission and processing Process flowchart communication process, and ask the IMEI of IMSI and the 3G mobile terminal of 3G mobile phone users, then the MSISDN of process notification terminal control module perception 3G mobile phone users is extracted by user profile, then extract process by user profile and the identity information of 3G mobile phone users is stored in database module, finally by the connection of protocol data treatment progress Co ntrolled release and 3G mobile terminal.If subscriber identity information obtains unsuccessfully, then can again attempt connecting with 3G mobile terminal.
Terminal control module, control calling terminal module and terminal called module, realize the function according to the IMSI perception MSISDN of 3G mobile phone users, run terminal master control process, user identity receiving process, user identity simulation process and call signaling and control process.When user identity receiving process receives the order of perception MSISDN and receives IMSI, first simulate by terminal master control process initiation user identity the authentication that process completes 3G mobile phone users, then control process by terminal master control process initiation call signaling to make a call, then the MSISDN perceived by terminal master control process reception terminal called module, finally returns to protocol process module by user identity receiving process by the MSISDN of 3G mobile phone users.
Database module, realizes the function of the identity information storing 3G mobile phone users, comprises data access process and data space.Realized adding, revise and delete the identity information that data space stores 3G mobile phone users by data access process.
When 3G mobile terminal is positioned at the coverage of induction of signal module and signal switching module simultaneously, signal switching module acts on 3G mobile terminal, make it start cell reselection process, and induction of signal module realize the radio communication between 3G mobile terminal under the control of protocol process module.Perform in the process of cell reselection at 3G mobile terminal, induction of signal module request under protocol process module controls also gets the identity information of 3G mobile terminal and user, comprise IMSI and IMEI, thus realize the IMEI of perception 3G mobile terminal and the IMSI of user.Then, the calling terminal module under terminal control module control utilizes the 3G mobile phone users IMSI of perception and terminal called to establish call connection.In call connection process of establishing, first terminal called module receives the MSISDN of 3G mobile phone users, is then transferred to protocol process module, and last call release connects.The MSISDN received mates with the IMSI of perception by protocol process module, stored in database module, thus realizes the identity information of perception 3G mobile phone users, comprises IMSI and MSISDN.
After adopting technique scheme, the utility model has following positive effect:
What the utility model realized is a kind of apparatus and method of 3G mobile phone users identity information being carried out to quick sensing.Be applicable to current main-stream 3G mobile terminal, the perception of IMSI and MSISDN to 3G mobile terminal IMEI and 3G mobile phone users can be realized.Utilize the method for perception 3G mobile terminal aerial signal, do not rely on the characteristic with 3G mobile terminal, do not need contact 3G mobile terminal or 3G mobile phone users, the normal use of 3G mobile phone users can not be affected.When 3G mobile phone users is positioned at the coverage of induction of signal module, the IMEI of perception 3G mobile terminal and the IMSI of user, and thus by the calling of analog subscriber, obtain the MSISDN of user.The identity information that wherein 3G mobile phone users is corresponding is all stored in database, can call at any time and check.
The utility model is a kind of initiatively to 3G mobile terminal inquiry subscriber identity information, the apparatus and method of one step simulation user awareness more users identity information of going forward side by side.Do not need to carry out any operation to mobile terminal, only need normal operator to provide normal call service.Within the coverage that 3G mobile terminal is positioned at induction of signal module, just can obtain the identity information of user at short notice, speed is fast, has higher versatility.Meanwhile, it is little that equipment of the present utility model has volume, with low cost, the feature of easily movement, easy to use.
The utility model overcomes 3G mobile terminal and verifies base station, is difficult to the difficulty connected with it.By resolving the agreement of 3GPP standard small area gravity treatment part, realize 3G mobile terminal initiatively to connect with induction of signal module, thus the IMSI of 3G mobile terminal aloft plaintext transmission user can be made, and further while not contacting user, indirect realization copying (user identity simulation) user's usim card, thus the MSISDN of perception user.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is entire block diagram of the present utility model;
Fig. 2 is overall principle assumption diagram of the present utility model;
Fig. 3 is overall operation flow chart of the present utility model;
Fig. 4 is induction of signal function structure chart of the present utility model;
Fig. 5 is signal switching function structure chart of the present utility model;
Fig. 6 is calling terminal function structure chart of the present utility model;
Fig. 7 is calling terminal calls request flow chart of the present utility model;
Fig. 8 is terminal called function structure chart of the present utility model;
Fig. 9 is terminal called calls responding process figure of the present utility model;
Figure 10 is protocol process module operational flow diagram of the present utility model;
Figure 11 is 3G mobile terminal identity perception flow chart of the present utility model;
Figure 12 is 3G mobile terminal cell re-selection procedure figure of the present utility model;
Figure 13 is terminal control module operational flow diagram of the present utility model;
Figure 14 is database module operational flow diagram of the present utility model.
Embodiment
(embodiment 1)
Be illustrated in figure 1 entire block diagram of the present utility model, device and the main method of perception 3G mobile phone users identity information have: induction of signal module 1, signal switching module 2, calling terminal module 3, terminal called module 4, protocol process module 5, terminal control module 6, database module 7.One of the present utility model comprises by scene: target 3G mobile terminal, induction of signal module 1, signal switching module 2, the PC system of protocol process module 5, terminal control module 6 and database module 7 of operation, and the calling terminal module 3 be positioned among mobile communications network and terminal called module 4.Induction of signal module 1 is connected with protocol process module 3 by data transmission interface module, and use USB2.0 is communication protocol.Ensemble handover module 2 and PC system use USB2.0 communication protocol to realize transfer of data.Calling terminal module 3 and terminal called module 4 complete the data interaction with terminal control module 5 by RS232 communication protocol, are managed respectively by order receiving process and data-transfer process.Start PC, enter Unix/Linux operating system, run 3G mobile phone users identity information awareness program.
Be illustrated in figure 2 overall principle assumption diagram, the utility model mainly comprises seven major parts: induction of signal module 1, signal switching module 2, calling terminal module 3, terminal called module 4, protocol process module 5, terminal control module 6, database module 7.Described induction of signal module 1 comprises induction of signal antenna 1-1, A/D change-over circuit module 1-2, induction of signal control module 1-3, data transmission interface module 1-4.Described signal switching module 2 comprises clock generation circuit module 2-1, switching signal generation module 2-2, radio frequency power amplification module 2-3, signal switching antenna 2-4.Described calling terminal module 3 comprises order receiving circuit module 3-1, and hello protocol realizes module 3-2, calling Executive Module 3-3.Described terminal called module 4 comprises calling and answers module 4-1, answers protocol realization module 4-2, data transmission module 4-3.Described protocol process module 5 comprises data transmission and processing process 5-1, protocol data treatment progress 5-2, switching signal configuration process 5-3, and user profile extracts process 5-4.Described terminal control module 6 comprises user identity receiving process 6-1, and user identity simulation process 6-2, call signaling controls process 6-3, terminal master control process 6-4.Described database module 7 comprises data access process 7-1, data space 7-2.
The workflow of system is as shown in Figure 3: start PC, enter Unix/Linux operating system, induction of signal module 1, signal switching module 2, calling terminal module 3, being connected with PC respectively by corresponding interface of terminal called module 4, runs 3G mobile terminal subscriber information awareness program.First the IMSI of perception 3G mobile phone users.The first step produces and sends switching signal, first by switching signal generation module 2-2 under the control of switching signal configuration process 5-3, according to the configuration of user and the parameter of surrounding environment, the clock signal that clock generation circuit module 2-1 produces is converted into suitable switching signal, then promoted the transmitting power of switching signal by radio frequency power amplification module 2-3, finally sent by signal switching antenna 2-4.Second step and 3G mobile terminal connect, and when 3G mobile terminal is positioned at the coverage of induction of signal module 1, and when have received the switching signal of signal switching module 2 transmission, 3G mobile terminal then can initiatively communicate with induction of signal module 1, connects.Induction of signal antenna 1-1 receives and dispatches aerial radiofrequency signal, A/D commutation circuit module 1-2 is responsible for Content of Communication to change between analog signal and digital signal, induction of signal control module 1-3 demodulation and the signal received of decoding, be converted into discernible protocol data, or modulate the protocol data that will send, be converted into the signal of applicable air transmission, data transmission interface module 1-4 and the protocol data transmission between data transmission and processing process 5-1 cooperation settling signal induction module 1 and protocol process module 3.The identity information of the 3rd step request 3G mobile phone users, by protocol data treatment progress 5-2 according to the protocol data received, select suitable response protocol data, and build the protocol data of request 3G mobile phone users identity information, send via induction of signal module 1.4th step perception 3G mobile phone users IMSI, according to the response of 3G mobile terminal to subscriber identity information request, extracts process 5-4 perception 3G mobile phone users identity information by protocol data transmission to user profile.The IMSI mainly comprising IMEI and the 3G mobile phone users of 3G mobile terminal now perceived.If successfully perceive the IMSI of 3G mobile phone users, then start MSISDN perception, otherwise return second step and 3G mobile terminal connects.
After the IMSI of perception 3G mobile phone users, just start the perception of MSISDN.The first step, according to the IMSI analog subscriber identity of 3G mobile phone users, is first obtained the IMSI of 3G mobile phone users from protocol process module 5 by subscriber identity information receiving process 6-2, and is transferred to terminal master control process 6-1; Then by terminal master control process 6-1 according to the IMSI of perception, start user identity simulation process 6-3 in caller party terminal, simulate the identity of mobile phone users.Second step is with 3G mobile phone users identity calling terminal called module, and terminal master control process 6-1 starts call signaling and controls process 6-4, controls calling terminal module 3 with the 3G mobile phone users identity of simulation calling terminal called module 4.In calling procedure, first receive 3G mobile phone users identity information and control command by order receiving circuit module 3-1, then completed the protocol contents in hello protocol by startup hello protocol implementation process 3-2; Finally complete call operation by calling executive process 3-3.4th step terminal called module perception user MSISDN, terminal called module 4 is in Waiting for Call state always, when there being call request, first answering process 6-1 by calling and receiving call request, then startup is answered protocol realization process 6-2 and is completed called protocol contents of answering; The MSISDN of last therefrom perception 3G mobile phone users.5th step stores 3G mobile phone users identity information, if terminal called perception user MSISDN success, first through data-transfer process 6-3, terminal main control module 4-4, MSISDN is passed back to user profile and extract process 5-4, then user profile is extracted process 5-4 and can be gathered one group of corresponding IMEI, IMSI and MSISDN, the data access process 7-1 of log-on data library module 7, is stored in data space 7-2 by the identity information of 3G mobile phone users.6th step release and the connection of 3G mobile terminal, no matter perception user MSISDN success or not, protocol processes process 5-2 control signal induction antenna and 3G mobile terminal can disconnect and continue to perform the second step of IMSI perception and 3G mobile terminal connects.
Be illustrated in figure 4 induction of signal module 1 structure, comprise induction of signal antenna 1-1, A/D change-over circuit module 1-2, induction of signal control module 1-3 and data transmission interface module 1-4.Under being operated in GSM network, the reception of primary responsibility GSM signal and transmission are a programmable USB device.Primarily of USRP (Universal Software Radio Peripheral, general software radio peripheral hardware) and a power amplifier composition.USRP, as a computer peripheral equipment, extends the function of computer, common computer also the software radio of image height bandwidth equally can be worked, thus assume responsibility for digital baseband and the intermediate-frequency section of a radio communications system.Power amplifier achieves the power amplification function to the GSM signal sent.
1) induction of signal antenna 2-1: launch and simple process GSM signal for receiving, major function comprises reception and the transmitting of signal, the Up/Down Conversion of transmit amplification and analog domain.The transmitting-receiving employing operating frequency of signal is the GSM bar antenna of 900MHz; Transmitting to amplify adopts standard output power to be the power amplifier of 2W.The Up/Down Conversion of analog domain adopts the high performance transmitting-receiving daughter board of RFX900, and this daughter board is 900MHz frequency range and designing specially.The power output of standard is 200mW, and noise factor is 8dB.RFX900 is equipped with ISM band filter, for suppressing the radiofrequency signal outside 902 ~ 928MHz frequency range.
2) A/D change-over circuit module 2-2: for realizing the conversion between digital signal and analog signal, comprises 4 high-speed AD converters (ADC), and the sample frequency of each ADC is 64MS/s, and quantified precision is 12.4 high-speed A/D converters (DAC), the sample frequency of each DAC is 128MS/s, and quantified precision is 14.
3) induction of signal control module 2-3: for the simple process of signal transmitting and receiving, completes the high speed general operation such as Digital up and down convert, sampling and interpolation.Employing model is the FPGA process chip of Altera Cyclone EP1C12Q240C8.
4) data transmission interface module 2-4: for the transmission of data with synchronous.Adopt Cypress EZ-USB FX2, comprise 8051 processors, a serial interface engine (SIE), a USB transceiver, RAM on sheet, FIFO memory and a general programmable interface (GPIF).Transmission speed reaches 480Mb/s.Can engage with any ASIC or DSP, and it also supports all versabus standards, comprises ATA, UTOPIA, EPP and PCMCIA.EZ-USBFX2 is applicable to USB2.0 completely, and backward compatible USB1.1.
Be illustrated in figure 5 signal switching module 2 structure, comprise clock generation circuit module 2-1 switching signal generation module 2-2, radio-frequency power amplifier 2-3 and signal switching antenna 2-4.Primary responsibility produces and launches and makes 3G mobile terminal and induction of signal module 1 set up the switching signal contacted.Realize signal and produce the function of launching with signal.Produce the switching signal of specific waveforms as required, and suitably process, by antenna transmission to aerial, after mobile terminal receives switching signal, initiatively will set up with induction of signal module 1 and contact.According to the related content of 3GPP agreement, the specific implementation function of signal shielding, by affecting the communication between 3G mobile terminal and NodeB, realizes the function of 3G mobile terminal to GSM cell reselection.
1) clock generation circuit module 2-1: for providing clock accurately for digital circuit produces switching signal.Use timer as high stability controller, produce accurate commutator pulse.
2) switching signal generation module 2-2: for controllably producing switching signal, comprises a sawtooth wave generating circuit and a voltage controlled oscillator (VCO).Sawtooth wave generating circuit, according to commutator pulse, controllably produces the sawtooth waveforms of characteristic frequency, and voltage controlled oscillator controllably produces the swept-frequency signal of special frequency channel again with this, realize the shielding to special frequency channel.
3) radio frequency power amplification module 2-3: for amplifying the transmitting power of switching signal, is made up of a high frequency power amplifier and peripheral components, and the high-frequency signal amplifier selected is PF04110B.
4) signal switching antenna 2-4: for adapting to the different frequency range of 3G different system, use the bar antenna of different frequency.For TD-SCDMA, operating frequency is 1880MHz to 1900MHz and 2010MHz to 2025MHz; For WCDMA, operating frequency is 2130MHz to 2145MHz; For CDMA200, operating frequency is 2110MHz to 2125MHz.The gain of antenna is 3dBi, perpendicular polarization, and 50 Ω nominal impedances, maximum power reaches 50W.
Be illustrated in figure 6 calling terminal module 6 structure, comprise order receiving circuit module 3-1, hello protocol realizes module 3-2 and calling Executive Module 3-3.For realizing calling.Under the control of terminal control module 5, make a call to terminal called module 4 with the identity of 3G mobile phone users.Calling terminal module 3 needs the network accessing Information Mobile Service operator, under being attached to the base station of Information Mobile Service operator as a user, to make a call at any time.Main body is a C118 mobile phone.
1) order receiving circuit module 3-1: because C118 mobile phone realizes controlling and programming by 3.5mm earphone interface, therefore order receiving circuit module 3-1 is made up of FT232RL and peripheral circuit and 3.5mm earphone interface circuit.FT232RL is interface conversion chip, can realize the conversion of USB to serial UART interface, complete the data interaction between C118 mobile phone and computer.
2) hello protocol realizes module 3-2: for realizing the hello protocol in gsm protocol, realizes according to OsmocomBB open source projects optimized code based on terminal control module 6.As shown in Figure 7, when a call is initiated, comprise caller access phase, authorization phase, TCH assignment stage and get the called roaming number stage.Access phase application SDCCH channel, make a call service request; Authorization phase confirms the identity of user, simulates process 4-2 realize by user identity; It is that calling terminal module 5 assigns TCH channel by base station that TCH assigns the stage, owing to not needing really to realize voice communication, replys appointment and completes message so calling terminal module will not do any operation and enter next stage; Getting the called roaming number stage completes in Information Mobile Service carrier server inside, and starts to call out terminal called module 6.When call release, calling terminal module sends release message, and base station returns release success message, completes the release of calling.
3) call out Executive Module 3-3: based on C118 mobile phone, optimize hardware according to OsmocomBB open source projects, transmitting-receiving GSM aerial signal, completes the communication between Information Mobile Service carrier network.Support 900M and 1800M two frequency ranges, hardware foundation is Calypso.
Be illustrated in figure 8 terminal called module 4 structure, comprise calling and answer module 4-1, answer protocol realization module 4-2 and data transmission module 4-3.For the calling of receipt of call terminal module 3, and extract the MSISDN of 3G mobile phone users.In the call request that terminal called module receives, with the MSISDN of 3G mobile phone users, terminal called module therefrom extracts MSISDN and is transferred to terminal control module 6.Main body is the wireless module based on EM310.
1) module 4-1 is answered in calling: two frequency band GSMs based on EM310/GPRS wireless module, support 900M and 1800M two frequency ranges, support that the standard A T instruction of gsm protocol regulation and stipulation and Huawei strengthen AT instruction freely, comprise GSM video frequency processing chip, baseband processing chip, memory, power discharging device, has and carries out based on GSM network all functions that communicate.
2) protocol realization module 4-2 is answered: for realizing the speech called agreement in gsm protocol.When there being call request, as shown in Figure 9, comprise called access phase, authorization phase and called TCH and assign the stage.The beep-page message of access phase response base station; Authorization phase confirms the identity of user; Called TCH assigns stage distribution T CH channel and the MSISDN of perception 3G mobile phone users.
3) data transmission module 4-3: by USB RS 232 serial port circuit, connects EM310 wireless module and computer, coordination data transmission speed, realizes transfer of data between the two.When after the MSISDN perceiving 3G mobile phone users, be transferred to mobile terminal control module.
Be protocol process module 5 workflow as shown in Figure 10, achieve the IMSI perception part of the 3G mobile phone users of flow process shown in Fig. 3, the storage compartment of 3G mobile phone users identity and disconnect part with 3G mobile terminal.Protocol process module 5 comprises data transmission and processing process 5-1, protocol data treatment progress 5-2, switching signal configuration process 5-3 and user identity and extracts process 5-4, complete the protocol contents of 3GPP base station in the mode of software, make computer can complete all functions of a base station realization.And on this basis, according to 3GPP agreement, amendment base station broadcast parameter and the interaction content communicated with 3G terminal, complete and the connection of 3G mobile terminal and disconnection, and the identity information of perception 3G mobile phone users.Meanwhile, control signal handover module 2 produces switching signal, and auxiliary signal induction module 1 responds to 3G mobile terminal substantially.
1) data transmission and processing process 5-1: realize USB2.0 communication protocol, completes the transmitting-receiving of digital signal with induction of signal module 1.And the computational resource utilizing computer to enrich further completes modulation /demodulation and the error correction coding/decoding of digital signal.When sending data, complete modulation by needing the 3GPP protocol data sent and become digital signal with code conversion, sent by USB2.0; When receiving data, the digital signal received is carried out demodulation, error correction and decoding, recover 3GPP protocol data by USB2.0.
2) protocol data treatment progress 5-2: based on the GSM standard agreement of open source software, can be divided into physical transport layer, data link layer and network layer three layers.Wherein physical layer is for providing the physical link of transmission bit stream.Data link layer sets up the reliable exclusive data link carried out between each system of GSM needed for message communicating.Network layer is the entity of transmitting-receiving and processing signaling message, and function is the most important.Network layer is divided into again radio resource, mobility management layer and connection management layer.Radio resource is that mobile terminal sets up data transfer path and signaling paths.The positional information of mobility management layer handle mobile terminal.Connection management layer process routing function.Except completing basic gsm protocol content, by the amendment to radio resource parameter, make the signal strength signal intensity of induction of signal module 1 for the strongest in its coverage, thus more easily there is cell reselection in 3G mobile terminal.And with 3G mobile terminal generation cell reselection while, the identity information of perception 3G mobile phone users, comprises IMSI and IMEI.As shown in figure 11, be the flow process of protocol data treatment progress 3-2 perception 3G mobile phone users identity information in 3G mobile terminal cell reselection process.Protocol data treatment progress 5-2 builds new system information, by induction of signal module 1 broadcast transmission; After 3G mobile terminal receives the system information of broadcast, initiate cell reselection process according to cell reselection strategies, send access request at RACH channel, application SDCCH channel; Protocol data treatment progress 3-2 responds access request, and AGCH channel sends SDCCH channel allocation information to 3G mobile terminal; The SDCCH channel that the access of 3G mobile terminal distributes, sends LOCATION UPDATE REQUEST message requests location and upgrades; Protocol data treatment progress 5-2 builds IDENTITY REQUEST message, and request 3G mobile phone users identity information, comprises IMSI and IMEI; The request of 3G mobile terminal response identity, loopback 3G mobile phone users identity information; Protocol data treatment progress 5-2 builds LOCATION UPDATE ACCEPT message, allows the access of 3G mobile terminal.
3) switching signal configuration process 5-3: produce suitable switching signal for controlling.3G agreement is revised gsm protocol at base station identity authenticated connection, and gsm protocol does not carry out the authentication to base station when mobile terminal access base station, and 3G agreement achieves the authentication to base station when 3G mobile terminal access base station.Do not set up with Mobile Communication Service operator due to induction of signal module 2 and communicate, cannot by the base station identity certification of 3G mobile terminal, therefore the function of switching signal is exactly make 3G mobile terminal according to the mode gravity treatment described in gsm protocol to induction of signal module 1.Be the cell re-selection procedure of 3G mobile terminal as shown in figure 12,3G mobile terminal is measuring the signal quality of community, place and peripheral cell always, and is its sequence, selects to provide the community of optimum service quality.Switching signal configuration process 3-3 is exactly the signal quality according to community near induction of signal module 1 position, dynamically affects the signal quality of NodeB, makes NodeB deficiency think the Mobile Communication Service that 3G mobile terminal provides stable.Therefore 3G mobile terminal is transferred gravity treatment and is sought more stable communication service to GSM base station.Because induction of signal module 1 realizes the basic function of a GSM base station under the control of protocol data treatment progress 5-2, and better signal quality is provided, thus realize the gravity treatment of 3G mobile terminal to induction of signal module 1, and 3G mobile terminal ignores the authentication to base station in reuse adoption process.
4) user identity extracts process 5-4: the subscriber identity information gathering 3G mobile terminal for perception, mainly comprises IMSI and MSISDN of 3G mobile phone users.Wherein IMSI when the gravity treatment of 3G mobile terminal is to induction of signal module 1, to the IMSI of 3G mobile terminal request user, then can extract by user identity the IMSI that process 5-4 extracts user from the protocol contents of protocol data treatment progress 5-2 process.According to whether storing corresponding MSISDN in this IMSI data query library module 7, if there is no then notification terminal control module 6 utilizes the MSISDN of this IMSI perception user.After perceiving IMSI and MSISDN corresponding to 3G mobile phone users, extract process 5-4 by user identity and be stored into database module 7.
Be terminal control module 6 workflow as shown in figure 13, achieve the MSISDN perception part of the 3G mobile phone users of flow process shown in Fig. 3.Terminal control module 6 comprises terminal master control process 6-1, user identity receiving process 6-2, user identity simulation process 6-3 and call signaling and controls process 6-4.Due in the communication process of base station and 3G mobile phone users, be not according to identifying identity with MSISDN, be therefore the MSISDN that cannot perceive 3G mobile phone users concerning base station.The calling terminal module 3 of terminal control module 6 and control thereof and terminal called module 4 are exactly for the IMSI according to the 3G mobile phone users obtained, the MSISDN of perception user.Realize principle for when making a call, callee can receive the MSISDN of calling party.Make a call to terminal called module 4, by the MSISDN of terminal called module 4 perception 3G mobile phone users according to the IMSI simulation 3G mobile phone users of 3G mobile phone users so terminal control module 4 controls calling terminal module 3.
1) terminal master control process 6-1: be responsible for and communication between calling terminal module 3 and terminal called module 4.After the IMSI number of user identity receiving process 6-2 perception 3G mobile phone users, terminal master control process 6-1 starts user identity simulation process 6-3, according to the IMSI number simulation 3G mobile phone users identity obtained.After user identity simulation process 6-3 completes, terminal master control process 6-1 starts call signaling control process 6-4 and starts calling; After terminal master control process 6-1 to obtain the MSISDN of 3G mobile phone users from terminal called module 4, notification call signaling controls process 6-4 call release, and transmits the MSISDN of 3G mobile phone users to user identity receiving process 6-2.
2) user identity receiving process 6-2: for transmitting the identity information of 3G mobile phone users.As the corresponding MSISDN of the IMSI perception that protocol process module 5 needs to utilize 3G mobile phone users, user identity receiving process 6-2 extracts the IMSI of perception 3G mobile phone users process 5-4 from user profile, for the identity simulation of 3G mobile phone users and the perception of MSISDN thereof; After terminal called module 4 obtains the MSISDN of 3G mobile phone users, the MSISDN of user identity receiving process 6-2 perception 3G mobile phone users from terminal master control process 6-1, gives user profile and extracts process 5-4 storage backup.
3) user identity simulation process 6-3: when calling terminal module 3 calls out terminal called module 4 according to the IMSI number of the 3G mobile phone users of perception, need to 3G/GSM network verification identity.After user identity simulation process 6-3 receives by calling terminal module 3 authentication request that 3G/GSM network sends, authentication request is sent to 3G mobile terminal by induction of signal module 1 by notification protocol processing module 5, and obtain the response of 3G mobile terminal, respond to 3G/GSM network via calling terminal module 3, complete the identity simulation of 3G mobile phone users.
4) call signaling controls process 6-4: based on open source projects OsmocomBB.OsmocomBB is a GSM base-band software project of freely increasing income, and target replaces the demand to proprietary GSM base-band software completely.Call signaling control flow 6-4 is for realize call request fast, simplify the operation that calling terminal module 3 performs when initiation and call release, use the 3G mobile phone users identity simulated in user identity simulation process 6-3 to control calling terminal module 3 and initiate or call release request to terminal called module.
Being as shown in figure 14. database module 7 workflow, realizes write and the identity information reading 3G mobile phone users.Database module 7 comprises data storage process 7-1 and data space, for store easily and with the identity information reading 3G mobile phone users, mainly comprise IMSI and MSISDN of 3G mobile phone users and the IMEI of 3G mobile terminal.
1) data access process 7-1: communicate with protocol process module 5, obtains and will store the 3G mobile phone users identity information entering data space 7-2, or read by the identity information of 3G mobile phone users from data space.
2) data space 7-2: so that { IMSI, MSISDN, IMEI} pattern deposits 3G mobile phone users identity information.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a device for perception 3G mobile phone users identity information, is connected with computer by hardware interface, and with 3G mobile terminal and GSM/3G network service; It is characterized in that: comprise induction of signal module (1), signal switching module (2), calling terminal module (3), terminal called module (4), protocol process module (5), terminal control module (6) and database module (7);
Described induction of signal module (1) by USB2.0 interface protocol and compunication, for transmission and the reception of GSM frequency range radiofrequency signal, and the modulation /demodulation of waveform correlation signal, A/D conversion;
Described signal switching module (2), by USB2.0 interface protocol and compunication, receives control command, produces the radio frequency switching signal being positioned at 3G frequency range;
Described calling terminal module (3), by USB2.0 interface protocol and compunication, is initiated and call release request for simulating 3G mobile phone users;
Described terminal called module (4) by USB2.0 interface protocol and compunication, for receiving and response call request, and the MSISDN of perception 3G mobile phone users;
The input of output termination signal switching module (2) of described protocol process module (5), switching signal is produced for control signal handover module (2), with the wireless connections of 3G mobile terminal after protocol process module (5) and induction of signal module (1) two-way communication, for in connection establishment process, the IMSI identity information of perception 3G mobile phone users, protocol process module (5) is connected with terminal control module (6) two-way communication, for the IMSI perception MSISDN of notification terminal control module (6) according to 3G mobile phone users, after completing the perception to 3G mobile phone users identity, be stored into database module (7),
Described terminal control module (6) is both-way communication with calling terminal module (3) and terminal called module (4) and is connected, terminal control module (6) is according to the IMSI of the 3G mobile phone users perceived, make a call to terminal called module (4) at calling terminal module (3) upper simulation 3G mobile phone users, the MSISDN of perception 3G mobile phone users;
Described database module (7) is connected with protocol process module (5) two-way communication, for storing the identity information of 3G mobile phone users, comprises the IMEI of 3G mobile phone users IMSI and MSISDN and 3G mobile terminal.
2. the device of perception 3G mobile phone users identity information according to claim 1, is characterized in that: described induction of signal module (1) comprises induction of signal antenna (1-1), A/D change-over circuit module (1-2), induction of signal control module (1-3) and the data transmission interface module (1-4) that both-way communication successively connects;
Described induction of signal antenna (1-1) sends to carrier frequency for sending GSM signal for up-conversion, and accepts GSM signal and be down-converted to base band frequency, and adopt the high performance transmitting-receiving daughter board of RFX900, working frequency range is GSM900MHz;
Described A/D change-over circuit module (1-2), for realizing the conversion between digital signal and analog signal, comprises four high-speed AD converters and four high-speed A/D converters;
Described induction of signal control module (1-3) is for the simple process of signal transmitting and receiving;
Described data transmission interface module (1-4) for the transmission of data with synchronous.
3. the device of perception 3G mobile phone users identity information according to claim 1, is characterized in that: described signal switching module (2) comprises the clock generation circuit module (2-1), switching signal generation module (2-2), radio frequency power amplification module (2-3) and the signal switching antenna (2-4) that are connected in series successively;
Described clock generation circuit module (2-1), for generation of accurate commutator pulse, adopts timer as high stability controller;
Described switching signal generation module (2-2) controllably produces characteristic frequency sawtooth waveforms, promotes the swept-frequency signal that voltage controlled oscillator produces special frequency channel, i.e. switching signal;
Described radio frequency power amplification module (2-3), for amplifying the transmitting power of switching signal, uses high-frequency signal amplifier;
Described signal switching antenna (2-4) covers the bar antenna of three kinds of different 3G system frequency ranges, 3dBi gain, perpendicular polarization, 50 Ω nominal impedances, 50W maximum power for operating frequency.
4. the device of perception 3G mobile phone users identity information according to claim 1, is characterized in that: described calling terminal module (3) comprises order receiving circuit module (3-1) that both-way communication successively connects, hello protocol realizes module (3-2) and calls out Executive Module (3-3);
Described order receiving circuit module (3-1), for completing the data interaction with computer, adopts USB to turn interface conversion circuit and the 3.5mm earphone interface circuit of serial UART;
Described hello protocol realizes module (3-2) for optimizing the protocol realization of calling, based on OsmocomBB open source projects;
Described calling Executive Module (3-3) produces call request for simulating 3G mobile phone users identity, based on supporting that the hardware foundation of GSM900MHz is the C118 mobile phone of Calypso;
Described terminal called module (4) comprises the calling that both-way communication connects successively and answers module (4-1), answers protocol realization module (4-2) and data transmission module (4-3);
Described calling answers module (4-1) for wait-receiving mode and response call request, based on two frequency band GSMs based on EM310/GPRS wireless module;
Described answers protocol realization module (4-2), for the treatment of call request, and the MSISDN of perception 3G mobile phone users;
Described data transmission module (4-3), for realizing transfer of data between the two, adopts USB RS 232 serial port circuit, connects EM310 wireless module and computer.
5. the device of perception 3G mobile phone users identity information according to claim 1, it is characterized in that: described protocol process module (5) comprises protocol data treatment progress (5-2), and be with protocol data treatment progress (5-2) data transmission and processing process (5-1), switching signal configuration process (5-3) and the user profile that both-way communication is connected and extract process (5-4);
Described data transmission and processing process (5-1) and induction of signal module (1) complete the transmitting-receiving of digital signal, and the computational resource utilizing computer to enrich further completes modulation /demodulation and the error correction coding/decoding of digital signal;
Described protocol data treatment progress (5-2) based on GSM standard agreement, the communication between processing signals induction module (1) and 3G mobile terminal, and the IMEI of IMSI and the 3G mobile terminal of perception 3G mobile phone users;
Described switching signal configuration process (5-3) control signal handover module (2) produces switching signal, and 3G mobile terminal is initiatively connected with induction of signal module (1);
Described user profile extracts process (5-4) obtains IMSI and the 3G mobile terminal of 3G mobile phone users IMEI from protocol data treatment progress (5-2), store and notification terminal control module (6) perception MSISDN, after corresponding IMSI and MSISDN of 3G mobile phone users perceives, be stored into database module (7).
6. the device of perception 3G mobile phone users identity information according to claim 1, it is characterized in that: described terminal control module (6) comprises terminal master control process (6-1), and be with terminal master control process (6-1) user identity receiving process (6-2) that both-way communication is connected, user identity simulates process (6-3) and call signaling controls process (6-4);
Described terminal master control process (6-1) according to the execution of other parts in system running state control terminal control module (6) and termination, and provides necessary parameter;
The IMSI that described user identity receiving process (6-2) obtains 3G mobile phone users from protocol process module (5) is used for perception MSISDN, and the MSISDN perceived is returned to protocol process module (5);
Described user identity simulation process (6-3) simulates the identity of 3G mobile phone users when calling terminal module (3) bid request;
Described call signaling control process (6-4) controls signaling process when calling terminal module (3) initiation and call release request, shortens the time of implementation.
7. the device of perception 3G mobile phone users identity information according to claim 1, is characterized in that: described database module (7) comprises data access process (7-1) and the data space (7-2) of both-way communication connection;
Described data access process (7-1) communicates with protocol process module (5), acquisition will store the 3G mobile phone users identity information entering data space (7-2), or is read by the identity information of 3G mobile phone users from data space;
Described data space (7-2) is so that { IMSI, MSISDN, IMEI} pattern deposits 3G mobile phone users identity information.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106682891A (en) * | 2016-12-31 | 2017-05-17 | 深圳前海清创电子技术有限公司 | Mobile sensing intelligent payment system |
| CN106878942A (en) * | 2016-12-31 | 2017-06-20 | 深圳前海清创电子技术有限公司 | A kind of mobile awareness positions rescue system |
| CN110074778A (en) * | 2019-05-29 | 2019-08-02 | 北京脑陆科技有限公司 | A kind of extensive brain electrosleep monitoring system based on EEG equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106682891A (en) * | 2016-12-31 | 2017-05-17 | 深圳前海清创电子技术有限公司 | Mobile sensing intelligent payment system |
| CN106878942A (en) * | 2016-12-31 | 2017-06-20 | 深圳前海清创电子技术有限公司 | A kind of mobile awareness positions rescue system |
| CN106878942B (en) * | 2016-12-31 | 2021-06-15 | 深圳前海清创电子技术有限公司 | Mobile perception positioning rescue system |
| CN110074778A (en) * | 2019-05-29 | 2019-08-02 | 北京脑陆科技有限公司 | A kind of extensive brain electrosleep monitoring system based on EEG equipment |
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