CN104091374B - A kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies - Google Patents

A kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies Download PDF

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CN104091374B
CN104091374B CN201410269862.4A CN201410269862A CN104091374B CN 104091374 B CN104091374 B CN 104091374B CN 201410269862 A CN201410269862 A CN 201410269862A CN 104091374 B CN104091374 B CN 104091374B
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module
user
gsm
mobile phone
information
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CN104091374A (en
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蒋睿
刘梦雅
牟学恺
梁新龙
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CHANGZHOU RESEARCH INSTITUTE SOUTHEAST UNIVERSITY
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CHANGZHOU RESEARCH INSTITUTE SOUTHEAST UNIVERSITY
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Abstract

The present invention realizes a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies, including protocol resolution module, and user identity simulates control module, information exchange control module, real-time management module totally four modules；In conjunction with GSM aware base station modules, 3G aware base stations module and user identity analog hardware module, build 3G/GSM aware base station platforms, perceive mobile terminal (mobile phone) IMSI number of employee, subscriber phone number MSISDN is obtained by IMSI number, and the information is stored in company personnel's information database, pass through the state of real-time perception employee's mobile phone, obtain online/information of leaving the post of employee, and online/information of leaving the post of employee is shown in operation interface, the present invention may be implemented independently of operator, the existence information of real-time perception mobile terminal, to real-time perception employee it is online/information of leaving the post, and show the name of user and corresponding online/information of leaving the post.

Description

A kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies
Technical field
The present invention is a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies, belongs to radio communication information peace Full technical field.Using GSM (Global System of Mobile communication, global system for mobile communications) and 3G (3G (Third Generation) Moblie) network protocol stack, radio communication technology and have BTS (Base Transceiver Station, base transceiver station) aware base station of function builds development platform, extract mobile terminal (mobile phone) IMSI of employee (International Mobile Subscriber Identification Number, international mobile subscriber identity).It is logical It crosses IMSI number and obtains subscriber phone number MSISDN (Mobile Subscriber International ISDN/PSTN Number), which is stored in company personnel's information database, the IMSI number of the employee in database is supervised in real time Control.Whether with aware base station carry out real-time information interaction by the mobile phone IMSI number of real-time perception employee, obtain employee Line/information of leaving the post, and show in operation interface online/information of leaving the post of employee, so as to relevant staff acquisition person in time Work is turned out for work state.Meanwhile Personnel Who Left information can be deleted by changing company personnel's information database or increase new registration Employee information.
Background technology
With scientific and technical fast development, just in vigorous growth, user gradually increases mobile communications network.It is mobile simultaneously Network is towards the network architecture of lower generation in gradually evolution, and by introducing new technology, new business promotes network shieldization entirely.Mesh Before, Generation Mobile Telecommunication System still occupies leading position, and GSM is the movement for occupying China's Mobile Communications Market overwhelming majority share The communication technology accounts for about the 97% of China's mobile communication subscriber sum at present.As the increase of number of mobile users and people's substance are given birth to The flat raising of running water is gradually difficult to meet demand, 3G (Third Generation) Moblie to provide traditional GSM technology based on voice service The arena of history is climbed up, and ratio is continuously increased.Mobile communication technology has goed deep into people’s lives, sends out global economy and society Exhibition generates deep effect.Therefore it needs that mobile communications network constantly optimize, upgrade, better service is provided, Mobile phone user is grasped in real time access the situation of network be conducive to be arranged suitable base station parameter, reasonable distribution base station resource, simultaneously The behavior of user can be tracked, disabled user is shielded.3G network is also gradually promoted and is come simultaneously.Therefore GSM/3G networks are utilized, By the existence of employee's mobile terminal in real-time perception employee information database, the real-time attendance to employee may be implemented.
In order to realize employee it is online/the real-time attendance checking system of information of leaving the post, many scientific research personnel study this.When Preceding attendance technology is based primarily upon wireless aware technology, in conjunction with the technologies such as Image Acquisition realize to attendance data it is real-time acquisition with Record.
There are the implementation method that some researchers work out some attendance checking systems, number of patent application to be at present 201010147939 invention proposes a kind of face recognition student attendance device and method, belongs to image identification technical field, The device includes handheld terminal, front-end processor, database server and video camera, handheld terminal respectively with video camera and data Library server connection, video camera are connect with front-end processor, and front-end processor is connect with database server.The present invention is according to religion Room is of different sizes, moves control strategy using different video cameras, being truly realized need not be cooperated on one's own initiative by fieldworker, not shadow Order of normally going to school and leaving school is rung, and then improves efficiency, is avoided for the generation of phenomenon is answered.Number of patent application is 201110227960 Invention proposes a kind of attendance checking system, which includes clock unit for providing the time and for storing user's attendance information Storage unit, attendance checking system is arranged in a terminal, while image identification unit is provided with beside clock unit. User information viewing area is provided in storage unit, user viewing area can all correspond to attendance time and user.Effectively keep away The phenomenon that having exempted from cheating attendance.The information that employee can clearly be understood, moreover, attendance checking system also sets up statistical module.Facilitate enterprise The statistics at the industry the end of month is capable of the finding out the personnel to come to work late and leave early of accurate quick.Although both the above invention can be effectively The phenomenon that avoiding cheating attendance, but the first invention is higher to equipment requirement, realizes high cost；Second of invention is close in personnel The commuter time of collection, cannot it is rapid, timely treatment people attendance information causes the phenomenon that causing to wait in line attendance Waste to the working time.
The invention that number of patent application is 201010601827 proposes a kind of image attendance information acquisition system and based on should The Human Resources Management System of system.It solves the problems, such as the real-time and accuracy of existing information acquisition system.The invention is based on existing The hybrid network of some wired network systems, Radio Network System or two kinds of network systems realizes that attendance record terminal is used with figure As the realization of the computer of acquisition terminal, palm PC, mobile phone or attendance record terminal machine, image capture software mould is embedded in the terminal Block, attendance information acquisition system of the invention be based on internet realize can be with the system of remote data acquisition, it will be more A image information attendance record terminal realizes adopting in real time for image attendance data by network connection to attendance server (group's form) Collection and record.Although the invention can timely react attendance information, computer used, palm PC, mobile phone are required Or attendance record terminal machine must have function of surfing the Net, and it is connected to network, equipment requirement is increased.
The invention that number of patent application is 201410009538.9 proposes what a kind of mobile terminal off-line identity information perceived Method.The invention proposes a kind of method perceiving mobile terminal off-line identity information under GSM network, skill using the present invention Art can be attached to the mobile terminal information off-line of the aware base station with BTS functions with real-time perception.This process will not be by user Discover, need not also consume additional channel, does not influence the normal communication of user.In addition, the present invention, which realizes, is being detached from operation In the case of quotient, the existence of mobile terminal is obtained in real time.But the invention is only applicable to the mobile terminal in GSM network and exists The perception of line/information off-line, and the invention at least needs six minutes off-line identity informations that could update user, does not have very Good real-time.
It is proposed in paper " design based on human face identification work-attendance checking system and realization " text a set of for accurately extracting face The method flow in region.The face in video flowing is measured in real time by Adaboost algorithm, then to including face Video frame carries out image preprocessing and skin color modeling to be accurately positioned face, finally uses people of the Camshift algorithms to positioning Face is into line trace.Then, the illumination variation for the face picture that this system is obtained for positioning proposes a kind of new processing method. Finally, the prototype attendance checking system based on recognition of face is realized, it realizes the work(such as the automatic input of staff attendance information, management Energy.By meeting different application demands to the improvement of this prototype system." the staff attendance system based on fingerprint recognition is set The papers such as meter and realization ", " design of built-in type door control attendance checking system and realization " are proposed the design of similar attendance checking system Method, but these design methods are required for additional hardware device to be acquired information, do not have good economic benefit, Do not have good real-time yet.
Invention content
Technical problem：It is a primary object of the present invention to propose one kind being based on mobile phone cognition technology under GSM/3G networks Real-time Work attendance method, belong to secure wireless communication field.Technology using the present invention may be implemented to company personnel's Information Number According to employee in library it is online/real-time perception of information of leaving the post.This process only needs to check that perceived mobile terminal knows no and perception Signalling exchange occurs for base station, need not consume additional channel, will not influence the normal communication of user, realizes de- In the case of from operator, the existence information of mobile terminal is obtained in real time.In addition, method proposed by the invention need not carry The process of information collection is completed for additional hardware, it is only necessary to which perceived user carries the mobile phone with self-identity information binding Mobile terminal can be completed, and have very strong practicability.
Technical solution：Current existing invention is required for additional information collection hardware or information exchange network could be real Attendance checking system when real, the present invention propose a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies.The method is Under a linux operating system, in conjunction with GSM/3G protocol stack analysis programs, development environment is built, sense is successfully accessed in mobile terminal After knowing base station system, after obtaining subscriber phone number by the IMSI number of extraction, which is stored in company personnel's information data Library monitors the IMSI numbers of the employee in database in real time.By the mobile phone IMSI number of real-time perception employee whether Real-time information interaction is carried out with aware base station, obtains online/information of leaving the post of employee.
The present invention includes mainly seven parts：Protocol resolution module, user identity simulate control module, information exchange control Module, real-time management module, GSM aware base station modules, 3G aware base stations module and user identity analog hardware module, realize Real-time perception employee is online/information of leaving the post and the function of showing the information.The protocol resolution module is as 3G/GSM networks The software processing part of wireless interface base station functions, the 3G mobile user that control is attached to 3G aware base station modules switch to GSM Aware base station module, while every systematic parameter is provided for GSM aware base station modules, gsm protocol stack is parsed, is completed in user Employee's mobile phone IMSI number is obtained in position updating process, and IMSI is passed into user identity and simulates control module；The use Family identity simulation control module is mainly used for extracting the user mobile phone that 3G aware base stations module and GSM aware base station modules perceive IMSI number, and analog subscriber identity information complete network authentication operation, and Authentication Response value are transmitted to user identity simulation firmly Part module initiates calling procedure, and reads caller id information by USB interface, obtains subscriber phone number, and number is passed It send to real-time management module and stores；The information exchange control module is mainly used for building analog subscriber mobile phone SIM file system System realizes the simulation to user mobile phone SIM card by data interaction between user identity simulation control module；Described is real-time Management module user identity simulates the subscriber identity information of control module perception, and the mobile phone and aware base station of real-time perception employee The state of real-time information interaction obtains online/information of leaving the post of employee；Wherein GSM aware base stations module, 3G aware base station moulds Block and user identity analog hardware module use existing equipment.
The GSM/ of protocol resolution module, GSM aware base stations module and 3G aware base station module compositions with BTS functions The aware base station system of 3G network, can realize the wireless communication for the mobile phone user for being attached to the base station.The protocol analysis Module includes mainly open source software radio module, gsm protocol stack parsing module and 3G/GSM network switching control modules.It increases income Software radio modules define the transmitting of radio wave and receive mode, are erected jointly wirelessly with GSM RF transmit-receive circuits Electrical communication system, the waveform of software-defined radio transmission, the waveform that software demodulation receives.Gsm protocol stack parsing module is It is the access port of GSM network according to the protocol software that GSM standard is realized.Utilize the new system message of broadcast channel broadcasts, guiding User mobile phone triggering cell reuse adoption process parses user mobile phone position updating request signaling during user mobile phone accesses Information therefrom extracts the identity informations such as the IMSI number of user mobile phone, and passes to analog subscriber cell phone system and carry out user mobile phone Simulation.3G/GSM network switchings control module realizes that 3G mobile terminals switch to GSM nets according to GSM/3G network switching mechanism Network, and then signaling message is parsed via gsm protocol stack parsing module, it completes to obtain the identity information of 3G mobile terminals.
By USB, (Universal Serial Bus lead to the GSM aware base stations module and 3G aware base stations module With universal serial bus) interface connect with computer.3G aware base stations realize 3G RF transmit-receive circuits and 3G/GSM network switching electricity Road function.When 3G mobile terminals are moved in 3G aware base station coverage areas, which is attached in 3G aware base stations, by 3G/ GSM network switching control module controls 3G/GSM network switching circuits and completes switching of the 3G network to GSM network, and so far, 3G is moved Dynamic terminal is attached in GSM aware base stations.GSM aware base station modules realize GSM network wireless interface base station radio-frequency receiving-transmitting, A/D is converted and the function of modulation /demodulation.When receiving signal, radio-frequency front-end transmission circuit receives aerial GSM signals, and converts into Frequently, digital signal is converted to by D/A conversion circuit, passes through FPGA (Field-Programmable Gate Array, field programmable gate array) chip carries out demodulation process, and is transferred to PC systems by USB2.0 data transmission interfaces. When sending signal, base station control circuit receives the data that PC systems are sent by USB2.0 data transmission interfaces, is read from FPGA Modulated data carry out digital-to-analogue conversion, filtering, mixing, amplification, launch by antenna.
User identity analog hardware module forms user mobile phone simulation system with information exchange control module, is mainly used for reality Now to the simulation of subscriber identity information.The user mobile phone IMSI perceived by GSM aware base stations, is controlled using information exchange The real-time analog subscriber SIM cards of mobile phones information of module, user identity analog hardware module send APDU messages life to simulation SIM card It enables, reads the initial work for the fileinfo completion simulation SIM card for being modeled SIM card.Then user identity analog hardware mould Block is interacted with user identity and network, is attached on network after the operations such as completion network authentication and is waited for caller.User identity It simulates control module and AT instruction initiation callers is sent by USB interface, called terminal gsm module is used as called subscriber, perceives Phone number is simultaneously preserved.
The user identity analog hardware module includes mainly called terminal gsm module, power module, identity simulation Gsm module and interface modular converter.Using the real-time analog subscriber SIM cards of mobile phones of SIM card simulation program, mould is simulated through identity Block and internetwork communication, realize the simulation to user mobile phone.Caller is initiated with the user identity being modeled, pages called terminal Gsm module, perception are modeled subscriber phone number and are preserved.Identity simulation gsm module has been internally integrated radio frequency chip, base Tape handling chip, memory, power discharging device etc., are a kind of mobile terminal modules, are connect with computer by USB interface.Work as shifting Dynamic terminal is attached to aware base station by cell reselection, is communicated between base station and mobile phone, is perceived according to aware base station IMSI number simulates the real-time analog subscriber SIM cards of mobile phones of gsm module using identity, and the fileinfo of reading SIM card is completed initial Change.After completing SIM card initialization, using SIM card simulation program analog subscriber SIM cards of mobile phones, identity simulate gsm module with Family identity carries out inter-net communication, is attached on network after completion network authentication and waits for caller, realizes the simulation to user mobile phone. Called terminal gsm module is to be attached to wait for called equipment on network with SIM cards, which is connected to by USB interface On computer, receive user identity simulation control module send AT instruction, when the GSM is as called subscriber, using come Electric display function obtains the phone number for being modeled user.
The information exchange control module includes mainly serial communication controlling module and drive module.Utilize aware base station The user mobile phone IMSI number captured builds analog subscriber mobile phone SIM file system, by simulating control module with user identity Between data interaction, realize simulation to user mobile phone SIM card, the identity with user mobile phone is attached on network and waits for Communication.The serial communication controlling module responds the message commands for transmission SIM card after receiving APDU message commands Echo back data.Drive module is mainly used for parsing the message commands of APDU, and the processing responded according to different orders.Institute The drive module stated is mainly used for the parsing work of APDU message commands, according to the data that identity analog machine is sent, parses APDU message commands therein, then do corresponding processing according to different orders.
User identity simulate control module mainly by main control module, IMSI number sensing module, authentication control module and Four part of Mobile Subscriber International ISDN Number sensing module forms.It is mainly used for extracting the user that 3G aware base stations and GSM aware base stations perceive Mobile phone IMSI number, starts SIM card simulation thread and user identity analog hardware module, analog subscriber identity information, and by user The authentication random number RAND that identity analog hardware module sends over issues authentication control module and is handled to complete network mirror Power operation.When identity simulation gsm module is attached to the identity of user on network, main control module sends AT by USB port Instruction controls the equipment and carries out caller, and when called terminal is called, and extracts subscriber phone number using caller identification and adds To preserve.After monitoring subscriber phone number, by user mobile phone release module in time number of users mobile phone from aware base station Upper release, is allowed to return under normal Base Station and is communicated.The main control module is by USB port in identity analog module Gsm module in GSM analog modules and called terminal module sends AT instructions, controls it and carries out caller and setting caller identification work( Energy.The IMSI number sensing module is mainly used for extracting user mobile phone IMSI number, and is sent to SIM card analog module and is used Family SIM cards of mobile phones is simulated in real time.After the authentication control module receives network authentication random parameter RAND, start authentication line Journey, calling user mobile phone, user mobile phone response paging utilize the mirror between aware base station and user mobile phone after establishing RR layers of connection Power obtains authentication values SRES, and loopback.The Mobile Subscriber International ISDN Number sensing module is led for controlling identity simulation gsm module It cries, subscriber phone number is extracted from called terminal and is monitored, after monitoring subscriber phone number, start cable release Journey, notice aware base station page mobile phone, and the SDCCH channels applied when responding paging request using user mobile phone send TMSI and divide again With instruction, triggering user mobile phone carries out position updating process, then discharges user mobile phone in the process, it is made to return to normal base On standing.
Real-time management module realizes/leave the post information real time processing online to employee and display.Mainly believed by user identity Database module is ceased, timercontrol module, display module of leaving the post forms user online/processing module of leaving the post and user are online/. The subscriber identity information database module stores the identity information of company personnel, including name, department, phone number, The contents such as IMSI number and online/information of leaving the post.The timercontrol module be mainly used for setting perception employee it is online/ The period for information of leaving the post avoids showing redundancy in employee's quitting time section.The user is online/processing module of leaving the post It is mainly used for checking whether the user being perceived in set detecting period section generates information exchange between aware base station, Judge user it is online/information of leaving the post.If carrying out information exchange between user and base station, illustrate that the user is online, otherwise, explanation The user should be through being detached from aware base station coverage area, and user is online/processing module of leaving the post carries the information to subscriber identity information number According to library module and by user it is online/information of leaving the post is set as leaving the post；Meanwhile online/information of leaving the post of user is transferred to user and is existed Line/display module of leaving the post shows the name of user and corresponding online/information of leaving the post.
Advantageous effect：The present invention is a kind of real-time Work attendance method based on mobile phone cognition technology under GSM/3G networks.It adopts With the technology of the present invention, the real-time perception of/leave the post information online to employee in company personnel's information database may be implemented.This mistake Journey need not consume additional channel, will not influence the normal communication of user, it is only necessary to check that perceived mobile terminal is known It is no that Signalling exchange occurs with aware base station, it realizes in the case where being detached from operator, obtains the existence of mobile terminal in real time Information, to obtain in real time employee it is online/information of leaving the post.
In the case that the present invention is accomplished that a kind of disengaging operator, wireless communication technique, real-time perception network is utilized to move Whether dynamic terminal is detached from aware base station, to obtain employee it is online/method of information of leaving the post.The method is to operate to be in Linux The lower aware base station in conjunction with 3G/GSM protocol stacks analysis program without and with BTS functions of system sets up system, which can be to sense Know that the mobile terminal in base station range sends broadcast message.This aware base station is accessed by cell reselection in mobile terminal User mobile phone IMSI number is obtained in the process, subscriber phone number is perceived by SIM card simulation program, by the user IMSI of perception Number and corresponding phone number be stored in subscriber identity information database module, and to the institute in subscriber identity information database module There is employee's mobile phone to carry out real-time perception, by checking whether perceived user mobile phone carries out real time information between aware base station Interaction, obtain employee it is online/information of leaving the post, and the information is transferred to display module.Whole process need not increase additional Channel does not influence normally to interact between aware base station and mobile phone user, moreover, whole process will not be easily noticed by the users, more will not Generate extra-pay.In addition to this, using the method real-time perception employee it is online/that information of leaving the post can be detached from operator is only It is vertical to complete, there is very strong practicability.
Description of the drawings
Fig. 1 is the entire block diagram of the present invention；
Fig. 2 is the whole principle assumption diagram of the present invention；
Fig. 3 is the 3G/GSM aware base station system entire block diagrams of the present invention；
Fig. 4 is the protocol resolution module structure chart of the present invention；
Fig. 5 is the 3G/GSM aware base station structure charts of the present invention；
Fig. 6 is the extraction user mobile phone IMSI number flow chart of the present invention；
Fig. 7 is subscriber phone number block diagram in the perception 3G/GSM aware base station coverage areas of the present invention；
Fig. 8 is authentication process module flow diagram of the present invention；
Fig. 9 is the flow chart of the perception subscriber phone number of the present invention；
Figure 10 be the user of the present invention it is online/information of leaving the post implements management program flow chart；
Specific implementation mode
Below in conjunction with attached drawing in the present invention key technology and concrete methods of realizing be described in detail.
As shown in Figure 1, the structure chart of the present invention, a kind of to perceive the user being attached under aware base station in GSM/3G networks Phone number, and real-time perception is carried out to specific user, to obtain whether the user checked is detached from aware base station covering model Enclose so obtain user it is online/method of information of leaving the post, mainly by protocol resolution module 1, user identity simulates control module 2, information exchange control module 3, real-time management module 4, GSM aware base stations module 5,3G aware base stations module 6 and user identity 7 seven part of analog hardware module forms.The protocol resolution module 1, GSM aware base stations module 5 and 3G aware base stations module 6 3G/GSM network aware base station systems are constituted, the 3G/GSM wireless communications for the mobile phone user for being attached to the base station is realized, obtains hand The IMSI number of machine user；Then IMSI is passed into user identity and simulates control module 2, information exchange control module 3 and use Family identity analog hardware module 7 carries out user identity simulation, completes network authentication, extracts subscriber phone number；Finally by IMSI Number and corresponding subscriber phone number be sent to real-time management module 4, realize to perceive user online/reality of information of leaving the post When perceive.The present invention application scenarios include：Target user handset, GSM aware base stations module 5,3G aware base stations module 6 are (logical USB2.0 interfaces are crossed to connect with computer), computer and the identity simulation gsm module 7-3 being attached under normal GSM network (being connect with computer by serial ports after level conversion) and called terminal gsm module 7-1 (are connected by USB2.0 and computer It connects).
System principle structure chart as shown in Figure 2 is it is found that most of the invention mainly comprises seven：Protocol resolution module 1 is used Family identity simulates control module 2, information exchange control module 3, real-time management module 4, GSM aware base stations module 5,3G perception Base station module 6 and user identity analog hardware module 7.The protocol resolution module 1 includes open source software radio module 1- 1, gsm protocol stack parsing module 1-2 and 3G/GSM network switching control module 1-3.The user identity simulates control module 2 include main control module 2-1, IMSI number sensing module 2-2, authenticates control module 2-3 and Mobile Subscriber International ISDN Number sensing module 2-4. The information exchange control module 3 includes serial communication controlling module 3-1 and drive module 3-2.The real-time management mould Block 4 includes subscriber identity information database module 4-1, timercontrol module 4-2, user is online/processing module of leaving the post 4-3 and User is online/and leave the post display module 4-4.The GSM aware base stations module 5 includes modem 5-1, A/D conversion circuit 5-2, GSM RF transmit-receive circuit 5-3 and fpga chip 5-4.The 3G aware base stations module 6 includes 3G RF transmit-receive circuits 6- 1 and 3G/GSM network switching circuits 6-2.User identity analog hardware module 7 includes called terminal gsm module 7-1, power supply mould Block 7-2, identity simulate gsm module 7-3 and interface modular converter 7-4.
The workflow of system is as follows：Start computer, into (SuSE) Linux OS, each system module powers on, and feels at this time Know that base station enters operating status.Whole system workflow includes mainly that IMSI number perceives, user identity simulation, at authentication Reason, Mobile Subscriber International ISDN Number perception and user it is online/the several flows of information Perception of leaving the post.
First, user's IMSI number is perceived.Aware base station broadcasts the system message of oneself on BCCH broadcast channels.3G feels Know that base station module 6 and GSM aware base stations module 5 receive mobile phone signal, 3G mobile user is in 3G/GSM network switching control modules GSM aware base stations module 5 is switched to via 3G/GSM network switching circuits 6-2 under 1-3 controls, GSM mobile handset user is attached to In GSM aware base stations module 5, analog signal is converted by number by modem 5-1 and high A/D conversion circuits 5-2 Signal after giving fpga chip 5-4 processing, and is connected to computer by USB2.0, signal is passed to protocol analysis mould Block 1, every systematic parameter of operation open source software radio module 1-1 configuration GSM aware base stations, makes it be operated in 900M frequencies Section.Then gsm protocol stack parsing module 1-2 is run, at this point, GSM aware base stations enter normal operating condition, broadcasts and believes in BCCH Broadcast system message on road.Mobile phone user in GSM aware base station coverage areas receive the aware base station broadcast be After message of uniting, value LAI in current area in the broadcast message is parsed, by current area value LAI compared with the LAI that SIM card stores, It was found that it is inconsistent, initiate cell reselection.Access request is sent in RACH channels, and applies for that SDCCH channel launch positions update. GSM aware base stations receive and respond access request, and channel is distributed for the user.User mobile phone responsive channels assignment signalling, concurrently Position updating request is played, the identity information of user mobile phone, including IMSI number, the extraction of GSM aware base stations are included in the solicited message User mobile phone IMSI number is simultaneously sent to user mobile phone location updating response signaling, and user mobile phone is allowed to access the aware base station.Extremely This, has obtained the IMSI number of the mobile phone user for accessing the aware base station in GSM aware base station coverage areas.
Secondly, analog subscriber identity information.GSM aware base stations parse No. IMSI of wherein user mobile phone, and to user Mobile phone sends location updating and receives message, and user mobile phone is allowed to access.User identity simulation control module 2 is perceived by IMSI number The IMSI number of module 2-2 extraction user mobile phones.Start information exchange control module 3, and by the way that USB port is arranged, activates power supply mould Block 7-2 driving identity simulation gsm module 7-3 work.Identity, which is simulated gsm module 7-3 and sent to information exchange control module 3, to be resetted Signal resets simulation SIM cards, sends APDU message commands therewith and reads simulation SIM card file information to carry out subsequent net Network access operation.After the completion of simulating SIM card initialization, identity simulates gsm module 7-3 simulations identity and GSM network interactions, Access current aware base station.It is successfully accessed after aware base station, identity simulates the file that gsm module 7-3 reads simulation SIM card Information attempts access network.
Later, authentication process is completed.It authenticates control module (2-3) and receives the user that IMSI number sensing module (2-2) extracts Mobile phone IMSI number, and it is transmitted to main control module (2-1)；Random parameter RAND is recycled to network mirror by main control module (2-1) Processing module (2-3) is weighed, authentication thread is started；Main control module (2-1) is put into live network in authentication request signaling message RAND, random parameter RAND is issued into GSM aware base stations module (5)；GSM aware base stations module (5) receives authentication random number After RAND, paging request information is sent to user mobile phone；User mobile phone responds paging request, applies for access on RACH channels, Apply for SDCCH channels；GSM aware base stations module (5) distributes SDCCH channels, and user mobile phone is allowed to access；User mobile phone enters SDCCH channels, GSM aware base stations module (5) send authentication request Authentication Request to user mobile phone；With Family mobile phone response authentication, loopback authentication values SRES；Authentication values are sent to user identity simulation firmly by GSM aware base stations module (5) Part module (7), user identity analog hardware module (7) are recycled to network again；So far, authentication is completed；Network authentication is finished, Identity analog machine has successfully adhered in a network, waits for and enters subsequent child flow.
Then, Mobile Subscriber International ISDN Number perception is completed.Main control module 2-1 sends AT to user identity simulation GSM modules 7-3 Instruction so that identity simulates gsm module 7-3 and initiates calling procedure.Identity simulates gsm module 7-3, and interface accesses channel in the air On to BTS send Channel Required, ask channel distribution, network-side assignment signalling channel simultaneously postbacks Immediate Assignment Command.After channel distribution success, network-side sends authentication request to identity simulation gsm module 7-3 again Random number is sent to authentication control module 2-3 and completes authentication by message initiated authentication.After authenticating successfully, sent to network-side Assignment Complete message, network-side send Alerting to identity simulation gsm module 7-3, and caller process is established. Network-side obtains the IMSI of called subscriber, and initiates paging to called terminal gsm module 7-1, and the 7-1 displays of terminal gsm module are used Family phone number, and number is sent to main control module 2-1, later, user is discharged from aware base station.Since then, system into Enter cycle, read next user mobile phone No. IMSI carries out the simulation of user mobile phone, then carried by dialing called terminal Get phone number.After success perceives subscriber phone number, the phone number of perception and corresponding IMSI number are stored in Subscriber identity information database module 4-1 in real-time management module 4.So far, it closes Mobile Subscriber International ISDN Number and obtains thread, start Employee is online/information of leaving the post real-time query thread, check the user that is perceived in subscriber identity information database module 4-1 is whether Real-time information interaction is generated with GSM aware base stations.
Finally, complete real-time perception user it is online/information of leaving the post.Whether subscriber identity information database module 4-1 inquiries The information that Adds User is added subscriber identity information database module 4-1 and continues to perceive the user mobile phone if Adding User IMSI number and corresponding Mobile Subscriber International ISDN Number are simultaneously stored in subscriber identity information database module 4-1, if the user's letter not increased newly Breath then closes subscriber identity information perception thread.Start employee it is online/information of leaving the post real-time query thread, check user identity In information data library module 4-1 be perceived user whether with GSM aware base stations generate real-time information interaction.
Start employee it is online/information of leaving the post real-time query thread, GSM aware base stations send broadcast message, and user's parsing should It broadcasts the message and initiates position updating request, and start location updating waiting timer T3210.GSM aware base stations extract user Mobile phone IMSI number, but not loopback user mobile phone location updating response signaling, when location updating waiting timer T3210 time-out Afterwards, restart location updating waiting timer, user back switches to normal Base Station at this time, and can carry out normal talking；When fixed When device T3211 time-out after, the user again to GSM aware base station launch positions update ask, counter Attempt The value of counter adds 1, repeats the above process, until the value of counter Attempt counter reaches upper limit value N (N=4), gives up The only position updating request, the user access normal base station again, and access GSM senses are attempted again by cell reselection process Know base station.Timercontrol module 4-2 setting perception employee is online/period of information of leaving the post, it avoids in employee's quitting time Section shows redundancy.User is online/and processing module of leaving the post 4-3 judges whether perceived user generates with GSM aware base stations Real-time information exchange, and be converted into employee it is online/information of leaving the post, be sent to subscriber identity information database module 4-1 and use Family is online/and leave the post display module 4-4, and it changes identity information database module 4-1 information and shows the name of user and corresponding Online/information of leaving the post.
As shown in figure 3, by protocol resolution module 1, GSM aware base stations module 5 and 3G aware base stations module 6 have set up this hair 3G/GSM aware base station systems in bright.GSM aware base stations module 5 and 3G aware base stations module 6 are accessed by USB2.0 to be calculated It realizes and communicates between machine and protocol resolution module 1.Include mainly open source software radio module 1-1, gsm protocol stack parsing module 1- 2,3G/GSM network switching control module 1-3, modem 5-1, A/D conversion circuit 5-2, GSM RF transmit-receive circuit 5-3, FPGA chip 5-4,3G RF transmit-receive circuit 6-1 and 3G/GSM network switching circuits 6-2.For building 3G/GSM aware base stations Development platform, and from the mobile phone user's identity information obtained in interactive signaling in perception base station range, in order to extract The IMSI number of user mobile phone completes further exploitation.Concrete function is as follows：
(1) protocol resolution module 1：As shown in figure 4, including mainly open source software radio module 1-1, gsm protocol stack solution Module 1-2 and 3G/GSM network switching control module 1-3 is analysed, at the software for constituting 3G/GSM network radio interface base station functions Manage part.Wherein open source software radio module 1-1 configures every systematic parameter of GSM aware base stations, when GSM aware base stations After module 5 is connected to computer by USB2.0, open source software radio module 1-1 setting modulation demodulation systems and volume solution The error correction of code is built in the way of the transmitting-receiving of software definition aware base station wireless communication with GSM RF transmit-receive circuits 5-3 jointly Play radio communications system.The gsm protocol stack parsing module 1-2 is the protocol stack according to GSM standard construction, gsm protocol Stack can be divided into three layers, first layer physical layer, for being time-multiplexed, channel distribution and channel coding；Second layer data link layer (LAPDm), it is mainly used for link addressing, data are split and forwarding；Third layer wireless interface, to be top, including radio resource RR layers of management, MM layers of mobile management, CM layers of connection management is main to realize signal management and link management, is controlled to business System, and has special unlimited channel establishment of connection, operation and release (RR layers of wireless resource management), location updating, authentication and The reallocation (MM layers of mobile management) of TMSI；Foundation, maintenance and the end (calling controling CC layer) of circuit-switched call. GSM Protocol stack receives signal, is handled through three layer protocols, parses wireless signaling information therein, and the present invention mainly utilizes wireless interface The location updating message of layer, handles signaling information, is sent to open source software radio module 1-1 accordingly, for real Existing wireless telecommunications.The 3G/GSM network switching control modules 1-3 is used to control the 3G/GSM in 3G aware base stations module 6 Network switching circuit 6-2, is accomplished by 3G RF transmit-receive circuits 6-1 and is attached to the 3G subscriptions of 3G aware base stations and switch to GSM Aware base station.
(2) GSM aware base stations module 5 and 3G aware base stations module 6：As shown in figure 5, include mainly modem 5-1, A/D conversion circuits 5-2, GSM RF transmit-receive circuit 5-3, fpga chip 5-4,3G RF transmit-receive circuit 6-1 and 3G/GSM network Switching circuit 6-2.GSM aware base stations module 5 and 3G aware base stations module 6 are connect by USB interface with computer, and 3G perceives base Station realizes 3G RF transmit-receive circuits and 3G/GSM network switching circuit functions.GSM aware base station modules realize GSM network without The radio-frequency receiving-transmitting of line interface base station, the function of A/D conversion and modulation /demodulation.When 3G mobile terminals are moved to the covering of 3G aware base stations In range, which is attached in 3G aware base stations, and 3G/GSM network switchings are controlled by 3G/GSM network switching control modules 1-3 Circuit 6-2 completes 3G network to the switching of GSM network, and so far, 3G mobile terminals are attached in GSM aware base stations.GSM is perceived GSM RF transmit-receive circuits 5-3 receives aerial GSM signals in base station module 5, and the signal received is amplified, is mixed, filters Wave processing, and the analog signal received is converted to digital signal by signal through A/D conversion circuits 5-2 by treated, via Modem 5-1 and fpga chip 5-4 carry out GMSK demodulation, and the signal after demodulation is sent to computer by USB controllers. FPGA reads modulated data and carries out digital-to-analogue conversion, filtering, mixing, amplification simultaneously, goes out by antenna rf front end emission It goes.The GSM RF transmit-receive circuit 5-3 main functions be will emit on modulates baseband signals to a higher carrier frequency it is defeated Go out, or the input signal received is down-converted to base band, mobile phone signal sends and receives in realization GSM network communication.It adopts With RFX900, frequency range 750-1050Mhz, transmission power 200mW, the daughter board is equipped with an ISM band filter in the present invention Wave device is used to inhibit radio frequency (RF) signal except 902-928MHz frequency ranges, the front ends RF is served as using the daughter board, to receive work Working frequency is the mobile phone signal of GSM900MHz.The A/D conversion circuits 5-2 includes 4 high-speed a/d converters, each A/D Sample rate is 64MS/s, 12bit, 85dB SFDR (spurious-free dynamic range) (A/D9862)；4 high-speed d/a converters, each D/A sample rates are 128MS/s, 14bit, 83dB SFDR (A/D9862).The modem 5-1 and fpga chip 5-4 Main to complete Digital up and down convert, interpolation/filtering extraction coordinates the data exchange being adapted between each ADC, DAC and USB2.0 interface, And the modulation /demodulation of signal.Using the FPGAC processing chips of model Altera Cyclone EP1C12Q240C8, and Peripheral circuit ensures to continue high performance transmission rate.The 3G RF transmit-receive circuits 6-1 is mainly used for perceiving aerial 3G Signal.The 3G/GSM network switching circuits 6-2 is mainly used for the 3G subscription for being attached to 3G aware base stations switching to GSM senses Know base station.
As shown in fig. 6, extraction user mobile phone IMSI number flow chart.
(1) GSM aware base stations build system message, and are sent and broadcast the message by BCCH channels；
(2) after the user mobile phone in aware base station coverage area receives broadcast message, compare the small zones values received With the small zones values stored in SIM card cell is initiated if the small zones values received and the small zones values stored in SIM card are inconsistent Reuse adoption process sends access request, application distribution SDCCH channels in RACH channels；
(3) aware base station is after receiving channel assignment request, responds access request, AGCH allow to access on channel to User mobile phone sends SDCCH channel allocation informations；
(4) it after mobile phone user receives channel allocation information, into the SDCCH channels of distribution, then sends LOCATION UPDATING REQUEST message asks location updating；
(5) aware base station responds location updating message, loopback IDENTITY after receiving position updating request REQUEST message asks for user mobile phone identity information；
(6) after user mobile phone receives IDENTITY REQUEST message, response identity information request message, and loopback body Part information；
(7) after aware base station receives the identity information of user mobile phone, loopback LOCATION UPDATING ACCEPT Message；
(8) user mobile phone is successfully accessed network, into standby mode, waits for network side response.
As shown in fig. 7, simulating control module 2, information exchange control module 3 and user identity analog hardware by user identity Module 7 realizes the function of the subscriber phone number of perception access 3G/GSM aware base stations.Include mainly main control module 2-1, IMSI number sensing module 2-2 authenticates control module 2-3, MSISDN number sensing module 2-4, serial communication controlling module 3-1, Drive module 3-2, called terminal gsm module 7-1, power module 7-2, identity simulation gsm module 7-3 and interface modular converter 7-4.By SIM card simulation program analog subscriber mobile phone, after successful analog subscriber identity, identity simulation gsm module 7-3 is utilized It is communicated between true base station, realizes network authentication.According to the signaling message in the communication process, user mobile phone is perceived Number, and it is stored in database, wait for further research and development.Concrete implementation process is as follows：
(1) user identity simulation control module 2 and information exchange control module 3：Include mainly main control module 2-1, IMSI number sensing module 2-2, authenticate control module 2-3, Mobile Subscriber International ISDN Number sensing module 2-4, serial communication controlling module 3-1 and Drive module 3-2.The user mobile phone IMSI that IMSI number sensing module 2-2 extraction 3G aware base stations and GSM aware base stations perceive Number, and SIM card file system is built, and the data interaction between user identity analog hardware module 7, simulate GSM to identity Module 7-3 provides mobile phone user's relevant information, is communicated via being realized between user identity analog hardware module 7 and GSM network, complete Pairs of mobile phone user's identity simulation.IMSI number sensing module 2-2 extracts user hand during user mobile phone accesses aware base station The IMSI number of extraction is transmitted to main control module 2-1 by machine IMSI number, is realized at authentication for authenticating control module 2-3 Reason, while carrying out data between main control module 2-1 control user identity analog hardwares module 7 and information exchange control module 3 Interaction.Drive module 3-2 parses APDU messages life therein after receiving the data that user identity analog hardware module 7 transmits It enables, and corresponding processing is made according to different orders, serial communication controlling module 3-1 is after receiving APDU message commands, hair Send the echo back data for responding the message commands.The phone number of Mobile Subscriber International ISDN Number sensing module 2-4 perception mobile phone users, and will sense The phone number known passes to the subscriber identity information database module 4-1 in real-time management module 4, continues to complete further Research and development.
The main control module 2-1 is mainly responsible for user identity simulation control module 2,3 He of information exchange control module Data interaction between user identity analog hardware module 7 and process between each module of user identity simulation control module 2 Management.Main control module 2-1 controls start authentication control module 2-3 and store random parameter RAND, and start authentication process.
As shown in figure 8, the present invention authenticates control module 2-3 algorithm flows.The following identity of concrete processing procedure simulates GSM moulds Block 7-3 receives the authentication request of network side, and authentication random number RAND is sent to authentication control via information exchange control module 3 Module 2-3, authentication control module 2-3 start authentication thread, and this RAND is sent GSM aware base stations；GSM aware base stations receive It to after authentication random number RAND, initiates the paging celebrating autumn, request user mobile phone establishes RR layers of connection；User mobile phone receives paging request And paging request is responded, while access request is sent on RACH channels, apply for SDCCH channels；GSM aware base stations are user hand Machine distributes SDCCH channels, and user mobile phone is allowed to access；User mobile phone enters SDCCH channels, and makees page response；GSM perceives base Base station stand to user mobile phone transmission authentication request AuthenticationRequest (RAND)；User mobile phone response authentication is asked It asks, loopback authentication values SRES；Authentication values are sent to authentication control module 2-3 by GSM aware base stations.Authenticate control module 2-3 again It is sent to information exchange control module 3.Identity simulation gsm module 7-3 sends APDU orders and reads authentication values SRES and be passed back to Network.So far network authentication terminates.
The main function of the IMSI number sensing module 2-2 is mobile phone user's access in aware base station coverage area The IMSI number of user mobile phone is obtained during base station, storage IMSI number waits for further exploitation.The authentication controls mould Block 2-3 main functions are storage web random number RAND, and start authentication process under the control of main control module 2-1, are completed Network authentication.At this point, identity analog machine has successfully adhered in a network, waits for and enter subsequent child flow.Described The main function of Mobile Subscriber International ISDN Number sensing module 2-4 is after completing subscriber identity authentication, under main control module 2-1 controls It controls identity simulation GSM modules 7-3 and initiates caller signaling, called terminal gsm module 7-1 passes through caller identification as called end Function obtains the phone number of mobile phone user, and the phone number of acquisition is stored in subscriber identity information database module 4-1, Mobile phone user is discharged simultaneously, so that it is revert to normal network base station, completes the perception of subscriber phone number.Described is serial logical Letter control module 3-1 and drive module 3-2 is for activating identity to simulate gsm module 7-3, to user identity simulation gsm module 7- 3 send AT instructions so that identity simulates gsm module 7-3 and initiates calling procedure.
(2) user identity analog hardware module 7：Include mainly called terminal gsm module 7-1, power module 7-2, identity Simulate gsm module 7-3 and interface modular converter 7-4.
Identity simulates gsm module 7-3 and sends APDU message commands, obtains user mobile phone IMSI number, and simulation SIM card provides User identity is communicated with network.After main control module 2-1 control network authentication processing modules 2-3 executes authentication, position is completed Update is set, identity simulates gsm module 7-3 and is attached to waiting AT orders on network with the identity of user, initiates caller.Initiate caller Afterwards, network-side obtains the IMSI of called subscriber, and is paged to the Mobile Origination.Called terminal gsm module 7-1 is in the present invention For called subscriber.Main control module 2-1 reads caller id information by USB interface, therefrom obtains subscriber phone number, will feel The phone number known is stored in the subscriber identity information database module 4-1 in real-time management module 4 and user is perceived base from GSM It stands release, system then handles the IMSI number of next acquisition, continues to perceive subscriber phone number.
The identity simulation gsm module 7-3 supports two frequency ranges of 900M and 1800M, it can realize gsm protocol specification The enhancing AT instructions that defined standard AT instructions and Huawei have by oneself.The module includes GSM radio frequency processing chips, Base-Band Processing core Piece, memory, power discharging device can complete GSM network communication, computer accessed by USB2.0, and AT is sent via computer Its communication of instruction control.The interface modular converter 7-4 uses 74LS04 and MAX232 chips, main to realize that serial port power is risen on one's feet It is converted between SIM card interface level on part simulation gsm module 7-3, completes the information exchange of the two.The power module 7-2 Including power supply control and transformation chip two parts, realize level conversion, the voltage of 5V is obtained for driving identity to simulate gsm module 7-3 and the 7-1 work of called terminal gsm module.The called terminal gsm module 7-1 is as identity simulation gsm module 7-3 hairs The called end of caller paging is played, after called terminal gsm module 7-1 receives calling, calling approval information is returned, passes through incoming call Display function, main control module 2-1 can obtain the phone number of user.
As shown in figure 9, perceiving the flow chart of subscriber phone number in the present invention.Identity simulation gsm module 7-3 is attached to net After network, Mobile Subscriber International ISDN Number sensing module 2-4 simulates gsm module 7-3 to identity by main control module 2-1 and sends AT instruction controls It makes the module and initiates caller paging called terminal gsm module 7-1.In calling procedure, network simulates gsm module 7-3 to identity Network authentication messages are sent, user identity is verified, identity simulation gsm module 7-3 receives network side authentication request, extraction network mirror The value is simultaneously sent to main control module 2-1 by weights.Authentication random number RAND is sent to the control of 7 authentications by main control module 2-1 Module 2-3 starts authentication process, and the RAND is sent to GSM aware base stations.GSM aware base stations are receiving authentication random number After RAND, paging request information is sent to user mobile phone in paging channel, request user mobile phone establishes RR layers of connection.User hand Machine responds paging request, and access request is sent in RACH channels, applies for that SDCCH channels, GSM aware base stations are receiving channel request After message, SDCCH channels are distributed for user mobile phone, user mobile phone is allowed to access.User mobile phone accesses SDCCH channels, GSM Aware base station sends authentication request, user mobile phone response authentication, and loopback authentication values SRES to user mobile phone, and identity simulates GSM Authentication values are recycled to network by module 7-3, complete authentication.After network authentication success, identity simulation gsm module 7-3 is successfully sent out Play calling, paging called terminal gsm module 7-1.Called terminal gsm module 7-1 rings, and show and come electric phone number, master control Molding block 2-1 reads incoming information by USB interface, extracts subscriber phone number.After perceiving subscriber phone number, perception Refuse mobile phone user's access in base station so that user mobile phone initiates to access normal GSM network in cell reselection process.
As shown in Figure 10, user it is online/information of leaving the post implements management program flow chart.For user it is online/information of leaving the post The real-time management module 4 for implementing management program flow includes mainly subscriber identity information database module 4-1, and timer controls mould Block 4-2, user are online/processing module of leaving the post 4-3 and user are online/, and leave the post display module 4-4.
User mobile phone is after doing cell selection or gravity treatment, access base station, is extracted IMSI number and intends journey via SIM snap gauges Sequence analog subscriber identity information perceives user's Mobile Subscriber International ISDN Number, and by the IMSI number of the user and corresponding Mobile Subscriber International ISDN Number etc. Relevant information is stored in subscriber identity information database module 4-1.The information that asked whether to Add User needs that user identity is added Information data library module 4-1 continues to perceive the user mobile phone IMSI number and corresponding Mobile Subscriber International ISDN Number if Adding User And it is stored in subscriber identity information database module 4-1, if the user information not increased newly, the thread is closed, starts employee and exists Line/information of leaving the post real-time query thread, check in subscriber identity information database module 4-1 be perceived user whether with GSM Aware base station generates real-time information interaction.First by timercontrol module 4-2 setting check user it is online/information time of leaving the post Section, later user it is online/processing module of leaving the post 4-3 checks whether user with GSM aware base stations generates information exchange.GSM is perceived Base station sends broadcast message, and user parses the broadcast message and initiates position updating request, and starts location updating and wait for timing Device T3210.GSM aware base stations extraction user mobile phone IMSI number, but not loopback user mobile phone location updating response signaling, work as position After setting update waiting timer T3210 time-out, location updating waiting timer T3211 is restarted, user back switches at this time Normal Base Station, and normal talking can be carried out；After timer T3211 time-out, which initiates to GSM aware base stations again The value of position updating request, counter Attempt counter adds 1, repeats the above process, until counter Attempt The value of counter reaches upper limit value N (N=4), abrogates the position updating request, which accesses normal base station again, again Access GSM aware base stations are attempted by cell reselection process.If carrying out above-mentioned letter between the user perceived and GSM aware base stations Enable interactive process, then by user in subscriber identity information database module 4-1 it is online/attribute of leaving the post is set as online；Otherwise, will User is online in subscriber identity information database module 4-1/and attribute of leaving the post is set as leaving the post.The information user is sent to simultaneously to exist Line/leave the post display module 4-4, show the name of user and corresponding online/information of leaving the post.

Claims (4)

1. a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies, it is characterised in that：Including protocol resolution module (1), user identity simulation control module (2), information exchange control module (3), real-time management module (4), GSM aware base station moulds Block (5), (7) seven modules of 3G aware base stations module (6) and user identity analog hardware module, realizes real-time perception employee and exists Line/information of leaving the post and the function of showing the information；The protocol resolution module (1) is used as 3G/GSM network radio interfaces base station The software processing part of function, the 3G mobile user that control is attached to 3G aware base stations module (6) switch to GSM aware base station moulds Block (5), while every systematic parameter is provided for GSM aware base stations module (5), gsm protocol stack is parsed, position is completed more in user Employee's mobile phone IMSI number is obtained during new, and IMSI is passed into user identity simulation control module (2)；User's body Part simulation control module (2) passes through for perceiving subscriber identity information and extracts 3G aware base stations module (6) and GSM aware base stations The user mobile phone IMSI number that module (5) perceives generates effective user SIM under the control of information exchange control module (3) Clamp part analog information completes network authentication operation, and Authentication Response value is transmitted to user identity analog hardware module (7), Calling procedure is initiated, while caller id information is read by USB interface, obtains subscriber phone number, and number is sent to Real-time management module (4) stores；The user identity simulation control module (2) includes mainly main control module (2-1), IMSI Number sensing module (2-2), authentication control module (2-3) and Mobile Subscriber International ISDN Number sensing module (2-4) are mainly used for extraction GSM nets Network perceives the IMSI number of user mobile phone, and thus obtains subscriber phone number and preserved；Wherein, the main control module described in 1) (2-1) realizes the function of setting caller and caller identification；Pass through quilt of the USB port into user identity analog hardware module (7) It makes terminal gsm module (7-1) and identity simulate gsm module (7-3) and sends AT instructions, control it and carry out caller and setting incoming call display Show function；2) the IMSI number sensing module (2-2) described in realizes the function of extraction user mobile phone IMSI number；The IMSI number Sensing module (2-2) extracts the user mobile phone IMSI number that GSM aware base stations module (5) perceives, in information exchange control module (3) Control under, generate effective SIM card analog information, and be sent to user identity analog hardware module (7) carry out user mobile phone The real-time simulation of SIM card；3) the authentication control module (2-3) described in realizes the function of authentication process；The authentication control Module (2-3) receives network authentication random parameter RAND, starts authentication thread, calling user mobile phone, and user mobile phone response paging is built Vertical RR layers of connection, obtains authentication values SRES and loopback, completes authentication process process；4) the Mobile Subscriber International ISDN Number sensing module described in The function that (2-4) realizes extraction subscriber phone number and be pocessed；The Mobile Subscriber International ISDN Number sensing module (2-4) is used for It controls user identity analog hardware module (7) and carries out caller, subscriber phone number is extracted from called terminal and monitored；Its In, perception subscriber identity information includes mainly that IMSI number perceives, user identity simulation, authentication process and Mobile Subscriber International ISDN Number perception Four flows, detailed process are as follows：
First, IMSI number perception the specific implementation process is as follows：
1. GSM aware base stations module (5) and 3G aware base stations module (6) build new system message, and carry out broadcast transmission；
2. after user mobile phone receives broadcast message, carrying out cell reselection, access request is sent；
3. GSM aware base stations module (5) and 3G aware base stations module (6) respond request allow mobile phone user to access；3G/GSM nets Network switching control module (1-3) control 3G subscription switches to GSM aware base stations module (5), and user mobile phone is to GSM aware base station moulds Block (5) applies for SDCCH channels；
GSM aware base stations module 4. (5) respond request, and distribute SDCCH channels；
5. user mobile phone enters on SDCCH channels, LOCATION UPDATA REQUEST message is then sent, request position is more Newly；
6. GSM aware base stations module (5) sends IDENTITY REQUEST message to user mobile phone, user mobile phone identity letter is asked for Breath, including IMSI, IMEI；
7. user mobile phone response identity solicited message, loop back identity information；
8. GSM aware base stations module (5) stores the IMSI number of user mobile phone, and receives position updating request, LOCATION is sent UPDATA ACCEPT message；
9. user mobile phone is successfully accessed network, into standby mode, network side response is waited for；
So far, the IMSI number of user mobile phone is successfully perceived；
Second, user identity simulation the specific implementation process is as follows：
1. GSM aware base stations parse the IMSI number of user mobile phone, and send location updating to user mobile phone and receive message, allow User mobile phone accesses；
After 2. main control module (2-1) receives the transmission location updating reception message of aware base station transmission, starts information and hand over Mutual control module (3), and the power module (7-2) in user identity analog hardware module (7) is activated to drive identity simulation GSM moulds Block (7-3)；Wherein, user identity analog hardware module (7) includes called terminal gsm module (7-1), power module (7-2), body Part simulation gsm module (7-3) and interface modular converter (7-4)；
3. identity simulates gsm module (7-3) to information exchange control module (3) echo reset signal, simulation SIM card is resetted, and It sends APDU message commands to information exchange control module (3) and reads simulation SIM card file information, it is initial to complete simulation SIM card Change；
4. after the completion of simulating SIM card initialization, identity simulates gsm module (7-3) simulation identity, accesses current aware base station；
5. identity simulation gsm module (7-3) is successfully accessed after aware base station, the fileinfo of simulation SIM card is read, attempts to connect Enter network；
So far, user identity simulation process is completed；
Third, authentication process the specific implementation process is as follows：
1. authenticating control module (2-3) receives the user mobile phone IMSI number that IMSI number sensing module (2-2) extracts, and is transmitted to Main control module (2-1)；
2. random parameter RAND is recycled to network authentication processing module (2-3) by main control module (2-1), start authentication thread；
3. main control module (2-1) is put into the RAND of live network in authentication request signaling message, random parameter RAND is issued GSM aware base stations module (5)；
4. after GSM aware base stations module (5) receives authentication random number RAND, paging request information is sent to user mobile phone；
5. user mobile phone responds paging request, apply for access on RACH channels, applies for SDCCH channels；
6. GSM aware base stations module (5) distributes SDCCH channels, user mobile phone is allowed to access；
7. user mobile phone enters SDCCH channels, GSM aware base stations module (5) sends authentication request to user mobile phone Authentication Request；
8. user mobile phone response authentication, loopback authentication values SRES；
9. authentication values are sent to user identity analog hardware module (7) by GSM aware base stations module (5), user identity simulation is hard Part module (7) is recycled to network again；
So far, authentication is completed；
4th, Mobile Subscriber International ISDN Number perception the specific implementation process is as follows：
1. Mobile Subscriber International ISDN Number sensing module (2-4) is sent by main control module (2-1) to user identity analog hardware module (7) AT is instructed, and is controlled its identity simulation gsm module (7-3) and is initiated CM service requests to live network；
2. live network initiates network authentication request, identity simulation gsm module (7-3) receives random parameter RAND, and is sent to Protocol resolution module (1)；
3. GSM aware base stations module (5) sends authentication request to user, and this RAND is sent to user, user's loopback authentication Response SRES is to protocol resolution module (1)；
4. this SRES is sent to identity simulation gsm module (7-3) by protocol resolution module (1), gsm module is simulated via identity (7-3) returns Authentication Response value SRES to live network；
5. the authentication is passed, live network receives the CM service requests of identity simulation gsm module (7-3), distributes channel for it；
6. called terminal gsm module (7-1) is used as called end, when live network successful page is to called terminal, called terminal Ring simultaneously shows incoming information, called terminal extracts the phone number of this caller from caller identification, i.e. user mobile phone No. MSISDN；
7. the phone number information of acquisition is stored in subscriber identity information database module by Mobile Subscriber International ISDN Number sensing module (2-4) (4-1), while mobile phone user is discharged, so that it is revert to normal network base station；So far, the perception of subscriber phone number is completed； The information exchange control module (3) be mainly used for build analog subscriber mobile phone SIM file system, by with user identity mould Data interaction between quasi- control module (2), realizes the simulation to user mobile phone SIM card；The real-time management module (4), which receives, to be used The subscriber identity information that family identity simulation control module (2) perceives, and the mobile phone of real-time perception employee is believed in real time with aware base station The state for ceasing interaction, obtains online/information of leaving the post of employee；Wherein GSM aware base stations module (5), 3G aware base stations module (6) Existing equipment is used with user identity analog hardware module (7)；Wherein GSM aware base stations module (5) includes modem (5-1), A/D conversion circuits (5-2), GSM RF transmit-receive circuits (5-3) and fpga chip (5-4)；User identity analog hardware mould After block (7) receives effective user identity analog information, the real-time simulation to user mobile phone SIM card is completed, initiates calling procedure.
2. a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies according to claim 1, it is characterised in that： The protocol resolution module (1) includes mainly open source software radio module (1-1), gsm protocol stack parsing module (1-2) and 3G/GSM network switchings control module (1-3), realizes the wireless communication for the mobile phone user for being attached to the base station；
1) the open source software radio module (1-1) described in realizes transmitting reception and the modulation /demodulation function of GSM signals；Receive/ The data for sending GSM aware base stations module (5) are transmitted with gsm protocol stack parsing module (1-2) in the form of UDP message packet and are led to Letter information, through gsm protocol stack physical layer, data link layer and wireless signaling layer, to data, parsing/packaging, realization information are handed over layer by layer Mutually；
2) the gsm protocol stack parsing module (1-2) described in realizes the radio resource allocation management to user and mobility pipe Reason, provides calling and message function to the user；Gsm protocol stack parsing module (1-2) receives open source software radio module (1- 1) the UDP messages sent after parsing the message, then transfer to Interface interfaces to carry out subsequent processing；On the contrary, working as base When station has downlink data to need to send, after the processing for also needing to first pass through three layer signaling protocol of gsm protocol stack, according to different channels Coding handles data the time slot, it is specified that residing for data, is then packaged as UDP messages and transfers to GSM RF transmit-receive circuits (5- 3) it is sent；
3) the 3G/GSM network switchings control module (1-3) described in realizes control 3G subscription and switches to GSM aware base station modules (5) function；It is responsible for sending a signal to 3G aware base stations module (6) so that the 3G mobile user in the base station range cuts Shift to GSM aware base stations.
3. a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies according to claim 1, it is characterised in that： The information exchange control module (3) includes mainly serial communication controlling module (3-1) and drive module (3-2), is realized APDU message commands are sent to simulation SIM card, read the fileinfo of simulation SIM card to complete the initialization of simulation SIM card Function；Wherein：
1) the serial communication controlling module (3-1) described in is mainly used for transmission SIM after receiving APDU message commands and responds APDU Echo back data when message commands, serial communication controlling module (3-1) receive the number that user identity analog hardware module (7) transmits According to, and drive module (3-2) is transferred data to, realize the data interaction of two intermodules；
2) drive module (3-2) described in is mainly used for the parsing work of APDU message commands, and drive module (3-2) receives serial The data of communication control module (3-1) transmission, parse APDU message commands therein, are then done accordingly according to different orders Processing.
4. a kind of real-time Work attendance method using GSM/3G mobile phone cognition technologies according to claim 1, it is characterised in that： The real-time management module (4) includes mainly subscriber identity information database module (4-1), timercontrol module (4-2), User is online/processing module of leaving the post (4-3) and user are online/, and display module of leaving the post (4-4) realizes and stores employee's correlation letter Breath, and to employee it is online/information of leaving the post makes respective treated function；
1) the subscriber identity information database module (4-1) described in realize storage worker's information and employee it is online/leave the post The function of information；Subscriber identity information database module (4-1) receives the user hand that Mobile Subscriber International ISDN Number sensing module (2-4) transmits Machine number information simultaneously stores, when information of leaving the post becomes user's online/processing module of leaving the post (4-3) perceives the online of user/ When change, in subscriber identity information database module (4-1) time update database user it is online/attribute information of leaving the post, simultaneously will The information be sent to user it is online/display module of leaving the post (4-4), show the name of user and corresponding online/information of leaving the post；
2) timercontrol module (4-2) described in realize setting check user it is online/information time section of leaving the post, and will setting Time segment information be sent to user it is online/function of processing module of leaving the post (4-3)；The user is online/processing mould of leaving the post Block (4-3) checked within the period of setting in subscriber identity information database module (4-1) user whether with GSM aware base stations Generate information exchange；
3) user described in is online/and processing module of leaving the post (4-3) realizes in perception subscriber identity information database module (4-1) User it is online/function of information of leaving the post；The user is online/processing module of leaving the post (4-3) by perceive user whether with GSM aware base stations module (5) generates real-time information interaction, to judge whether the user is detached from the base station range, in turn Obtain user it is online/information of leaving the post, if carrying out real-time Signalling exchange between the user perceived and GSM aware base stations module (5), Then by user in subscriber identity information database module (4-1) it is online/attribute of leaving the post is set as online；Otherwise, user identity is believed User is online in breath database module (4-1)/and attribute of leaving the post is set as leaving the post；
4) user described in is online/display module of leaving the post (4-4) realize the name of display user and corresponding online/letter of leaving the post The function of breath；The user is online/and display module of leaving the post (4-4) reads in subscriber identity information database module (4-1) and uses Family is online/information of leaving the post, and the information is shown on terminal interface；
The workflow of whole system is as follows：Whole system workflow includes mainly that IMSI number perceives, user identity simulation, Authentication process, Mobile Subscriber International ISDN Number perception and user it is online/the several flows of information Perception of leaving the post：
First, user's IMSI number is perceived：GSM aware base stations module (5) and 3G aware base stations module (6) build new system and disappear Breath, and carry out broadcast transmission；User mobile phone receives broadcast message, carries out cell reselection, sends access request；GSM aware base stations Module (5) and 3G aware base stations module (6) respond request allow mobile phone user to access；3G/GSM network switching control modules (1- 3) control 3G subscription switches to GSM aware base stations module (5), and user mobile phone is believed to GSM aware base stations module (5) application SDCCH Road；GSM aware base stations module (5) respond request, and distribute SDCCH channels；User mobile phone enters on SDCCH channels, then sends out LOCATION UPDATA REQUEST message is sent, location updating is asked；GSM aware base stations module (5) sends IDENTITY REQUEST message asks for user mobile phone identity information, including IMSI, IMEI to user mobile phone；User mobile phone response identity is asked Information, loop back identity information；GSM aware base stations module (5) stores the IMSI number of user mobile phone, and receives position updating request, Send LOCATION UPDATA ACCEPT message；User mobile phone is successfully accessed network, into standby mode, network side is waited for ring It answers；
Secondly, analog subscriber identity information：GSM aware base stations parse the IMSI number of wherein user mobile phone, and to user mobile phone It sends location updating and receives message, user mobile phone is allowed to access；User identity simulation control module (2) perceives mould by IMSI number Block (2-2) extracts the IMSI number of user mobile phone；The transmission location updating that main control module (2-1) receives aware base station transmission connects After receiving message, start information exchange control module (3), and activates power module (7-2) driving identity simulation gsm module (7- 3)；Identity simulates gsm module (7-3) and sends reseting signal reset simulation SIM card to information exchange control module (3), and sends The mutual control module of APDU message commands best friends (3) reads simulation SIM card file information；After the completion of simulating SIM card initialization, identity Gsm module (7-3) simulation identity is simulated, current aware base station is accessed；It is successfully accessed after aware base station, identity simulates GSM Module (7-3) reads the fileinfo of simulation SIM card, accesses GSM network；
Later, authentication process is completed：It authenticates control module (2-3) and receives the user mobile phone that IMSI number sensing module (2-2) extracts IMSI number, and it is transmitted to main control module (2-1)；Random parameter RAND is recycled at network authentication by main control module (2-1) Module (2-3) is managed, authentication thread is started；Main control module (2-1) is put into live network in authentication request signaling message Random parameter RAND is issued GSM aware base stations module (5) by RAND；GSM aware base stations module (5) receives authentication random number After RAND, paging request information is sent to user mobile phone；User mobile phone responds paging request, applies for access on RACH channels, Apply for SDCCH channels；GSM aware base stations module (5) distributes SDCCH channels, and user mobile phone is allowed to access；User mobile phone enters SDCCH channels, GSM aware base stations module (5) send authentication request Authentication Request to user mobile phone；User Mobile phone response authentication, loopback authentication values SRES；Authentication values are sent to user identity analog hardware by GSM aware base stations module (5) Module (7), user identity analog hardware module (7) are recycled to network again；So far, authentication is completed；Network authentication is finished, body Part analog machine has successfully adhered in a network；
Then, Mobile Subscriber International ISDN Number perception is completed：Main control module (2-1) sends AT to user identity simulation gsm module (7-3) and refers to It enables so that identity simulates gsm module (7-3) and initiates calling procedure；Identity simulates gsm module (7-3) letter of interface access in the air Channel Required are sent to BTS on road, channel distribution, network-side assignment signalling channel is asked simultaneously to postback Immediate Assignment Command；After channel distribution success, network-side sends authentication to identity simulation gsm module (7-3) again and asks Message initiated authentication is sought, random number, which is sent to authentication control module (2-3), completes authentication；After authenticating successfully, sent out to network-side Assignment Complete message, network-side is sent to send Alerting to identity simulation gsm module (7-3), caller process is built It is vertical；Network-side obtains the IMSI of called subscriber, and initiates to page to called terminal gsm module (7-1), terminal gsm module (7-1) It shows subscriber phone number, and number is sent to main control module (2-1), later, user is discharged from aware base station；From This, system enters cycle, reads the IMSI number of next user mobile phone, carries out the simulation of user mobile phone, then by dial by Terminal is made to extract phone number；After success perceives subscriber phone number, by the phone number of perception and corresponding IMSI Number is stored in the subscriber identity information database module (4-1) in real-time management module (4)；
Finally, complete real-time perception user it is online/information of leaving the post：Whether subscriber identity information database module (4-1) inquiry has The information that Adds User is added subscriber identity information database module (4-1) and continues to perceive the user mobile phone if Adding User IMSI number and corresponding Mobile Subscriber International ISDN Number are simultaneously stored in subscriber identity information database module (4-1), if the user not increased newly Information then closes subscriber identity information perception thread；Start employee it is online/information of leaving the post real-time query thread, check user's body Whether the user being perceived in part information data library module (4-1) with GSM aware base stations generates real-time information interaction；
Start employee it is online/information of leaving the post real-time query thread, GSM aware base stations send broadcast message, and user parses the broadcast Message simultaneously initiates position updating request, and starts location updating waiting timer T3210；GSM aware base stations extract user mobile phone IMSI number, but not loopback user mobile phone location updating response signaling, after location updating waiting timer T3210 time-out, Restart location updating waiting timer, user back switches to normal Base Station at this time, and can carry out normal talking；Work as timer After T3211 time-out, which updates to GSM aware base station launch positions again asks, counter Attempt counter's Value plus 1, repeats the above process, until the value of counter Attempt counter reaches upper limit value N (N=4), abrogates the position Update request, the user access normal base station again, and access GSM aware base stations are attempted again by cell reselection process；Meter When device control module (4-2) be arranged perception employee it is online/period of information of leaving the post, avoid showing in employee's quitting time section superfluous Remaining information；User is online/and that processing module of leaving the post (4-3) judges whether perceived user generates with GSM aware base stations is real-time Information exchange, and be converted into employee it is online/information of leaving the post, be sent to subscriber identity information database module (4-1) and user exist Line/display module of leaving the post (4-4) changes identity information database module (4-1) information and shows the name of user and corresponding Online/information of leaving the post.
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