CN105933907B - A kind of pseudo-base station identification device, method and mobile terminal - Google Patents

A kind of pseudo-base station identification device, method and mobile terminal Download PDF

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CN105933907B
CN105933907B CN201610489726.5A CN201610489726A CN105933907B CN 105933907 B CN105933907 B CN 105933907B CN 201610489726 A CN201610489726 A CN 201610489726A CN 105933907 B CN105933907 B CN 105933907B
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base station
pseudo
mobile terminal
signal strength
network
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CN105933907A (en
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杨显钧
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12—Detection or prevention of fraud
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a kind of pseudo-base station identification device, method and mobile terminals, are related to electronic information technical field, it is intended to solve the problems, such as that existing mobile terminal cannot identify pseudo-base station.Device of the present invention, change in signal strength rate and current network state mode are detected by detection unit, it whether is more than again preset signal strength change rate range according to the change in signal strength rate by judging unit, and according to current network state mode be 2G network state mode when whether receive short message, to judge whether the base station of current mobile terminal connection is pseudo-base station, the device of the invention implements fairly simple, and power consumption is lower, potential security risk can be largely reduced, to greatly improve user experience.

Description

A kind of pseudo-base station identification device, method and mobile terminal
Technical field
The present invention relates to electronic information technical field more particularly to a kind of pseudo-base station identification devices, method and mobile terminal.
Background technique
More more and more universal with mobile terminal, associated swindle case is also more and more.In these swindles, have It is all much relevant to pseudo-base station.How to identify these pseudo-base stations, just becomes more and more important.But traditional identifying schemes It is often complex, and mobile terminal resource itself is limited, so existing mobile terminal itself not can be carried out pseudo-base station substantially Identification.
Summary of the invention
It is a primary object of the present invention to propose a kind of pseudo-base station identification device, method and mobile terminal, it is intended to solve existing There is the problem of cannot identifying to pseudo-base station in technology.
To achieve the above object, a kind of pseudo-base station identification device provided by the invention, comprising:
Detection unit, for detecting change in signal strength rate and current network state mode；
Judging unit, for whether being more than preset signal strength change rate range according to the change in signal strength rate, and, According to current network state mode whether to receive short message when 2G network state mode, the base of current mobile terminal connection is judged Whether stand is pseudo-base station.
Optionally, the judging unit, comprising:
Receiving module, for receiving short message；
Off-network orients lock network module, and after triggering mobile terminal off-network, the base station Xiang Suoshu orients lock network；
First judgment module is used to according to the mobile terminal be 2G network state mode in current network state mode When, receiving module receives short message, and the off-network orients lock network module to base station orientation lock network failure, determines the base Station is pseudo-base station.
Optionally, the judging unit, comprising:
Off-network orients lock network module, and after triggering mobile terminal off-network, the base station Xiang Suoshu orients lock network；
Second judgment module, for being more than preset signal strength change rate range, and institute when the change in signal strength rate It states off-network and orients lock network module to base station orientation lock network failure, determine that the base station is pseudo-base station.
Optionally, the judging unit further include:
Module is established, the station list for establishing in the mobile terminal preset range；
Second judgment module is also used to be compared according to the station list, when there is new base station, and the letter Number change rate of strength is more than preset signal strength change rate range, and the off-network orients lock network module and orients to the new base station Lock network failure, then determine that the new base station is pseudo-base station.
Optionally, further includes: prompt unit；The prompt unit, it is described when Forward for being determined in the judging unit After the base station of dynamic terminal connection is pseudo-base station, pseudo-base station prompt is issued the user with.
On the other hand, the present invention also provides a kind of pseudo-base station recognition methods, comprising:
Detect change in signal strength rate and current network state mode；
It whether is more than preset signal strength change rate range according to the change in signal strength rate, and, according to current network Whether state model receives short message when being 2G network state mode, judges whether the base station of current mobile terminal connection is pseudo- base It stands.
Optionally, whether the base station for judging current mobile terminal connection is pseudo-base station, is specifically included:
When current network state mode is 2G, short message is received, and after the mobile terminal off-network, the base station Xiang Suoshu is fixed Fail to lock network, then determines that the base station is pseudo-base station.
Optionally, whether the base station for judging current mobile terminal connection is pseudo-base station, is specifically included:
When the change in signal strength rate is more than preset signal strength change rate range, and after the mobile terminal off-network, To base station orientation lock network failure, then determine that the base station is pseudo-base station.
Optionally, this method further include:
Establish the station list in the mobile terminal preset range；
It is involved when the change in signal strength rate be more than preset signal strength change rate range, and the mobile terminal from After net, the base station Xiang Suoshu orients lock network failure, then determines that the base station is pseudo-base station, specifically include:
It is compared according to the station list, when the new base station of appearance, and the change in signal strength rate is more than default letter Number change rate of strength range, and after the mobile terminal off-network, to new base station orientation lock network failure, then determine that the new base station is Pseudo-base station.
On the other hand, the present invention also provides a kind of mobile terminal, which includes any puppet provided by the invention Identification of base stations device.
Pseudo-base station identification device provided by the invention detects change in signal strength rate and current network by detection unit State model, then whether pass through judging unit according to the change in signal strength rate is more than preset signal strength change rate range, And according to current network state mode whether to receive short message when 2G network state mode, to judge that current mobile terminal connects Whether the base station connect is pseudo-base station, and the present invention solves the problems, such as in the prior art to identify pseudo-base station, and And the present invention implements fairly simple, and power consumption is lower, potential security risk can be largely reduced, thus significantly The user experience is improved.
Detailed description of the invention
The hardware structural diagram of Fig. 1 optional mobile terminal of each embodiment one to realize the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is a kind of structural schematic diagram of pseudo-base station identification device provided in an embodiment of the present invention；
Fig. 4 is using signal intensity schematic diagram in mobile terminal moving process provided in an embodiment of the present invention；
Fig. 5 is the judgement schematic diagram of change in signal strength rate critical point provided in an embodiment of the present invention；
Fig. 6 is the signal cover schematic diagram of pseudo-base station provided in an embodiment of the present invention and true base station；
Fig. 7 is the structural schematic diagram of another pseudo-base station identification device provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another pseudo-base station identification device provided in an embodiment of the present invention；
Fig. 9 is structural schematic diagram provided in an embodiment of the present invention and another pseudo-base station identification device；
Figure 10 is a kind of flow chart of pseudo-base station recognition methods provided in an embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use For indicate element such as " module ", " component " or " unit " suffix only for being conducive to explanation of the invention, itself There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP The mobile terminal of (portable media player), navigation device etc. and such as number TV, desktop computer etc. are consolidated Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving Except the element of purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
Fig. 1 to realize the present invention the optional mobile terminal of each embodiment one hardware configuration signal.
Mobile terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user's input Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190 Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown Part.More or fewer components can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows mobile terminal 100 and wireless communication system Or the radio communication between network.For example, wireless communication unit may include mobile communication module 112, wireless Internet mould At least one of block 113, short range communication module 114 and location information module 115.
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal And at least one of server and receive from it radio signal.Such radio signal may include voice communication letter Number, video calling signal or sent according to text and Multimedia Message and received various types of data.
The Wi-Fi (Wireless Internet Access) of the support mobile terminal of wireless Internet module 113.The module can be internally or externally It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved in the module may include WLAN (Wireless LAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting short range communication.Some examples of short-range communication technology include indigo plant ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the location information of mobile terminal.Location information module Typical case be GPS (global positioning system).According to current technology, GPS module 115, which calculates, comes from three or more satellites Range information and correct time information and the Information application triangulation for calculating, thus according to longitude, latitude Highly accurately calculate three-dimensional current location information.Currently, it is defended for the method for calculating position and temporal information using three Star and the error that calculated position and temporal information are corrected by using an other satellite.In addition, GPS module 115 It can be by Continuous plus current location information in real time come calculating speed information.
A/V input unit 120 is for receiving audio or video signal.A/V input unit 120 may include 121 He of camera Microphone 1220, camera 121 is to the static map obtained in video acquisition mode or image capture mode by image capture apparatus The image data of piece or video is handled.Treated, and picture frame may be displayed on display unit 151.At camera 121 Picture frame after reason can store in memory 160 (or other storage mediums) or carry out via wireless communication unit 110 It sends, two or more cameras 1210 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone relation mould Sound (audio data) is received via microphone in formula, logging mode, speech recognition mode etc. operational mode, and can be incited somebody to action Such acoustic processing is audio data.Audio that treated (voice) data can be converted in the case where telephone calling model For the format output that can be sent to mobile communication base station via mobile communication module 112.Various types can be implemented in microphone 122 Noise eliminate (or inhibit) algorithm with eliminate noise that (or inhibition) generates during sending and receiving audio signal or Person's interference.
The order that user input unit 130 can be inputted according to user generates key input data to control each of mobile terminal Kind operation.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome, touch Plate (for example, the sensitive component of detection due to the variation of resistance, pressure, capacitor etc. caused by being contacted), idler wheel, rocking bar etc. Deng.Particularly, when touch tablet is superimposed upon in the form of layer on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes shape State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal 100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate for controlling mobile terminal 100 The order of operation or signal.For example, sensing unit 140 can sense when mobile terminal 100 is embodied as sliding-type mobile phone The sliding-type phone is to open or close.In addition, sensing unit 140 be able to detect power supply unit 190 whether provide electric power or Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 may include proximity sensor 141.
Interface unit 170 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example, External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end Mouth, video i/o port, ear port etc..Identification module can be storage and use each of mobile terminal 100 for verifying user It plants information and may include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) Etc..In addition, the device (hereinafter referred to as " identification device ") with identification module can take the form of smart card, therefore, know Other device can be connect via port or other attachment devices with mobile terminal 100.Interface unit 170, which can be used for receiving, to be come from The input (for example, data information, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100 One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connect with external base, interface unit 170 may be used as allowing will be electric by it Power, which is provided from pedestal to the path or may be used as of mobile terminal 100, allows the various command signals inputted from pedestal to pass through it It is transferred to the path of mobile terminal.The various command signals or electric power inputted from pedestal, which may be used as mobile terminal for identification, is The no signal being accurately fitted on pedestal.Output unit 150 is configured to provide output letter with vision, audio and tactile manner Number (for example, audio signal, vision signal, alarm signal, vibration signal etc.).
Output unit 150 may include display unit 151, audio output module 152 etc..
Display unit 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity When talking about call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file Downloading etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling mode Or when image capture mode, display unit 151 can show captured image and received image, show video or image with And UI or GUI of correlation function etc..
Meanwhile when display unit 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display unit 151 may be used as input unit and output device.Display unit 151 may include liquid crystal display (LCD), thin film transistor (TFT) In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least It is a kind of.Some in these displays may be constructed such that transparence to allow user to watch from outside, this is properly termed as transparent Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific Desired embodiment, mobile terminal 100 may include two or more display units (or other display devices), for example, moving Dynamic terminal may include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detecting touch Input pressure and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode, It is when under the isotypes such as speech recognition mode, broadcast reception mode, wireless communication unit 110 is received or in memory 160 The audio data transducing audio signal of middle storage and to export be sound.Moreover, audio output module 152 can provide and movement The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 executes. Audio output module 152 may include loudspeaker, buzzer etc..
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And And memory 160 can store about the vibrations of various modes and audio signal exported when touching and being applied to touch screen Data.
Memory 160 may include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more Media card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access storage Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can execute memory with by network connection The network storage device of 160 store function cooperates.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 executes and voice communication, data Communication, video calling etc. relevant control and processing.In addition, controller 180 may include for reproducing (or playback) more matchmakers The multi-media module 1810 of volume data, multi-media module 1810 can construct in controller 180, or can be structured as and control Device 180 processed separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or figure Piece draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member Electric power appropriate needed for part and component.
Various embodiments described herein can be to use the calculating of such as computer software, hardware or any combination thereof Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180. For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai Implement, software code can store in memory 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.In the following, for the sake of brevity, will description such as folded form, Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc., which is used as, to be shown Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 may be constructed such that using via frame or grouping send data it is all if any Line and wireless communication system and satellite-based communication system operate.
Referring now to Fig. 2 description communication system that wherein mobile terminal according to the present invention can operate.
Different air interface and physical layer can be used in such communication system.For example, the sky used by communication system Middle interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and Universal Mobile Communication System (UMTS) (particularly, long term evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, below Description be related to cdma communication system, but such introduction is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system may include multiple mobile terminals 100, multiple base stations (BS) 270, base station Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN) 290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link. Back haul link can be constructed according to any in several known interfaces, and the interface includes such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system may include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction Each subregion of line covering is radially far from BS270.Alternatively, each subregion can be by two or more for diversity reception Antenna covering.Each BS270, which may be constructed such that, supports multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum (for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which intersects, can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly indicating single BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Alternatively, each subregion of specific BS270 can be claimed For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in system by broadcsting transmitter (BT) 295 100.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals 100 At least one of.
In Fig. 2, multiple satellites 300 are depicted, it is understood that, it is useful to can use any number of satellite acquisition Location information.GPS module 115 as shown in Figure 1 is generally configured to cooperate with satellite 300 to obtain desired positioning and believe Breath.It substitutes GPS tracking technique or except GPS tracking technique, the other of the position that can track mobile terminal can be used Technology.In addition, at least one 300 property of can choose of GPS satellite or extraly processing satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100 Signal.Mobile terminal 100 usually participates in call, information receiving and transmitting and other types of communication.Certain base station 270 is received each anti- It is handled in specific BS270 to link signal.The data of acquisition are forwarded to relevant BSC275.BSC provides call The mobile management function of resource allocation and the coordination including the soft switching process between BS270.The number that BSC275 will also be received According to MSC280 is routed to, the additional route service for forming interface with PSTN290 is provided.Similarly, PSTN290 with MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 controls BS270 correspondingly with by forward link signals It is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the present invention is proposed.
As shown in figure 3, first embodiment of the invention proposes a kind of pseudo-base station identification device, the device and above-mentioned mobile terminal Mobile communication module it is corresponding, it may include:
Detection unit 31, for detecting change in signal strength rate and current network state mode；
Judging unit 32, change in signal strength rate and current network state mould for being detected according to detection unit 31 Formula judges whether the change in signal strength rate is more than preset signal strength change rate range, and, judge current network state mould Whether formula receives short message when being 2G network state mode, judges whether the base station of current mobile terminal connection is pseudo-base station.
Pseudo-base station identification device provided by the invention detects change in signal strength rate and current net by detection unit 31 Network state model, then whether pass through judging unit 32 according to the change in signal strength rate is more than preset signal strength change rate model It encloses, and according to current network state mode whether to receive short message when 2G network state mode, it is currently mobile whole to judge Whether the base station of end connection is pseudo-base station, and the present invention efficiently solves what existing mobile terminal cannot identify pseudo-base station Problem, and the present invention implements fairly simple, and and power consumption is lower, can largely reduce potential security risk, To greatly improve user experience.
It should be noted that change in signal strength rate range described in the embodiment of the present invention can be according to the shifting of mobile terminal user The dynamic distance of speed and mobile terminal away from base station, is calculated, when it is implemented, those skilled in the art can root Movement speed according to a large amount of mobile terminal user and the range data away from base station carry out that above-mentioned signal strength change is calculated Rate range, and in the terminal by change in signal strength rate range storage, so that judging unit 32 is judged.
It, can not be under 3G or 4G network since pseudo-base station is merely able to send refuse messages or fraud text message by 2G network Short message is sent, and pseudo-base station can not be made a phone call, so, present invention setting judges that the signal strength becomes when judging unit 32 Rate is more than preset signal strength change rate range, and mobile terminal receives short message in 2G network state mode, then determines The base station that mobile terminal is connected is pseudo-base station.
As shown in figure 4, certain direction of motion, speed, acceleration are had when user is when base station coverage area is mobile, If AB is the motion track of user, O is base station source.During user moves to B from A, signal strength (Received Signal Strength Indication, RSSI) it changes from weak to strong, then weaken again.That is, user is in moving process In, since the distance apart from base station is different, cause the change rate of the value of RSSI also different.
As shown in figure 5, making circus movement centered on O, then from D to C, the value of signal strength RSSI integrally increases, But the speed that RSSI increases is to experienced to increase to maximum by 0, then gradually becomes smaller, is finally classified as 0 again, and by the movement of C to D Situation is similar therewith.In conjunction with the two by C to D, then have D to C, in total can there are two RSSI change rate be 0 point.It is with C point Example, C point are in the critical point of RSSI value change rate, and the left side is positive, and the right is negative, and is gradually increased by D to C.
Since C point is the critical point on circular arc, make tangent line in C point, vertical direction must be directed toward base station source O's The center of circle, in addition, the line of connection C, D two o'clock, can also be directed toward the center of circle direction of base station, this is also a kind of side in determining base station source Method.
The comparison of true base station and pseudo-base station:
1. traditional regular base station transmitting power is big, coverage area is wider, and according to the difference of distance, signal intensity Rate is not in the case where signal is greatly enhanced suddenly in a certain range；
2. pseudo-base station transmission power is smaller, coverage area is smaller, and in the identical situation of movement velocity, change rate signal is remote Super normal value forces terminal user's mobile terminal to be forced to be connected in pseudo-base station, causes mobile terminal can not normal use fortune Seek quotient provide service, partial movement terminal then must switching on and shutting down could network again.In addition, it also results in mobile terminal use Family continually updates position, so that the wireless network resource in the region is nervous and network congestion phenomenon, mobile terminal signal occurs 2G is fallen back to by 3G/4G, influences the normal communication of user.
The principle of pseudo-base station: pseudo-base station forces customer mobile terminal to be connected in pseudo-base station, and 3G/4G falls back to 2G, pseudo-base station Short breath is sent, user receives short breath, and pseudo-base station disconnects, and customer mobile terminal searches net lock network again, and mobile terminal signal is extensive 3G/4G is arrived again.As shown in Figure 6: O1, O2 and O3 are normal base station range, and O4 is pseudo-base station coverage area.
For synthesis, the present invention is mainly to consider from following dimension:
1. signal strength RSSI value change rate: whether being more than normal value in the change rate of certain time.Such as: 3G/4G is fallen after rise To the attenuation rate of 2G；
Network state when 2. short message receives: pseudo-base station is entirely to receive in 2G to the fraud text message that user sends 's；
3. mode is that the communication of 2G authenticates again: after receiving short message from base station in 2G, terminal active off-network, reorientation Lock network (registration) shows to may be true base station, if registration failure is directly labeled as pseudo-base station if being registrated successfully to the base station.
Above three condition meets simultaneously then shows that current connected base station is pseudo-base station, if meeting wherein 2, especially It is 13,23 combination, a possibility which is pseudo-base station is larger, and certainly, those skilled in the art can be according to actual needs It is arbitrarily combined the Rule of judgment of above-mentioned pseudo-base station.
Detailed explanation will be carried out to identification of base stations device of the present invention by several specific examples below:
As shown in fig. 7, the embodiment of the present invention provides a kind of pseudo-base station identification device, comprising:
Detection unit 31, for detecting change in signal strength rate and current network state mode；
Judging unit 32, change in signal strength rate and current network state mould for being detected according to detection unit 31 Formula judges whether the change in signal strength rate is more than preset signal strength change rate range, and, judge current network state mould Whether formula receives short message when being 2G network state mode, judges whether the base station of current mobile terminal connection is pseudo-base station.
Wherein, judging unit 32 described in the embodiment of the present invention, comprising:
Receiving module 321, for receiving short message；
Off-network orients lock network module 322, and after triggering mobile terminal off-network, the base station Xiang Suoshu orients lock network；
First judgment module 323 is used for according to the mobile terminal when current network state mode is 2G, receiving module 321 receive short message, and the off-network orients lock network module 322 to base station orientation lock network failure, determines that the base station is Pseudo-base station.
Specifically, the first judgment module 323 of the embodiment of the present invention is according to the mobile terminal in current network shape When morphotype formula is 2G network state mode, receiving module 321 receives short message, and the off-network orients lock network module 322 to institute Base station orientation lock network failure is stated, then determines that the base station is pseudo-base station.
That is, the embodiment of the present invention is short by judging to receive when mobile terminal is in 2G network state mode Letter, and orient lock network failure, then determine that the base station is pseudo-base station, it is subsequent to issue the user with pseudo-base station prompt, and according to user Instruction carry out the operation such as off-network, thus greatly reduce the potential security risk of mobile terminal user, then improve user Experience.
As shown in figure 8, the embodiment of the present invention provides a kind of pseudo-base station identification device, comprising:
Detection unit 31, for detecting change in signal strength rate and current network state mode；
Judging unit 32, change in signal strength rate and current network state mould for being detected according to detection unit 31 Formula judges whether the change in signal strength rate is more than preset signal strength change rate range, and, judge current network state mould Whether formula receives short message when being 2G network state mode, judges whether the base station of current mobile terminal connection is pseudo-base station.
Wherein, judging unit 32 described in the embodiment of the present invention, comprising:
Off-network orients lock network module 322, and after triggering mobile terminal off-network, the base station Xiang Suoshu orients lock network；
Second judgment module 324, for being more than preset signal strength change rate range when the change in signal strength rate, and The off-network orients lock network module to base station orientation lock network failure, determines that the base station is pseudo-base station.
Second judgment module 324 of the embodiment of the present invention is according to the mobile terminal when the change in signal strength rate More than preset signal strength change rate range, and the off-network orients lock network module 322 to base station orientation lock network failure, sentences The fixed base station is pseudo-base station.
That is, the embodiment of the present invention is when mobile terminal by judgement when the change in signal strength rate is more than default Change in signal strength rate range, and orient lock network failure, then determine that the base station is pseudo-base station, it is subsequent to issue the user with pseudo-base station Prompt, and the operation such as off-network is carried out according to the instruction of user, the potential security risk of mobile terminal user is thus greatly reduced, Then user experience is improved.
Optionally, as shown in figure 9, judging unit described in the embodiment of the present invention further include:
Module 325 is established, the station list for establishing in the mobile terminal preset range；
Second judgment module 324 is also used to be compared according to the station list, when there is new base station, and institute Change in signal strength rate is stated more than preset signal strength change rate range, and the off-network orients lock network module to the new base station Lock network failure is oriented, then determines that the new base station is pseudo-base station.
That is, the second judgment module 324 when the embodiment of the present invention judges that the base station that mobile terminal is connected is new Base station, and the change in signal strength rate detected is more than preset signal strength change rate range, and orientation lock network failure then determines The new base station is pseudo-base station.
It should be noted that specific judgement pseudo-base station can be arranged in those skilled in the art according to actual needs Condition, and do not need to be limited in the condition of each judgement pseudo-base station described in the embodiment of the present invention.Certainly, it is being embodied When, above-mentioned Rule of judgment can be all shown to user, be such as arranged on the screen: the new base station A.；B. change in signal strength rate is more than Preset signal strength change rate range；C.2G short message is received when network state mode；D. orientation lock network failure.Voluntarily for user Any selection is carried out to determine specific pseudo-base station Rule of judgment, and after reaching selected condition, prompts the user base station For pseudo-base station, and the operation such as off-network is carried out according to the triggering of user.
The embodiment of the present invention provides a kind of pseudo-base station identification device, comprising:
Detection unit 31, for detecting change in signal strength rate and current network state mode；
Judging unit 32, change in signal strength rate and current network state mould for being detected according to detection unit 31 Formula judges whether the change in signal strength rate is more than preset signal strength change rate range, and, judge current network state mould Whether formula receives short message when being 2G network state mode, judges whether the base station of current mobile terminal connection is pseudo-base station.
Wherein, pseudo-base station identification device described in the embodiment of the present invention further includes prompt unit；
The prompt unit is used for after judging unit determination is pseudo-base station, issues the user with pseudo-base station prompt.
That is, the present invention is after the judgement of judging unit 32 is pseudo-base station, prompt user base station is pseudo-base station, and root The operations such as off-network (such as offline mode of starting mobile terminal) are carried out, according to the triggering of user with maximum reduction movement The security risk of terminal user, then improves user experience.
Correspondingly, as shown in Figure 10, the embodiment of the present invention also provides a kind of pseudo-base station recognition methods, comprising:
S101 detects change in signal strength rate and current network state mode；
Whether S102 is more than preset signal strength change rate range according to the change in signal strength rate, and, according to current Network state mode be 2G network state mode when whether receive short message, judge current mobile terminal connection base station whether be Pseudo-base station.
Pseudo-base station recognition methods provided by the invention passes through detection change in signal strength rate and current network state mould Whether formula is more than preset signal strength change rate range further according to the change in signal strength rate, and according to current network shape Whether morphotype formula receives short message when being 2G network state mode, to judge whether the base station of current mobile terminal connection is pseudo- base It stands, the present invention solves the problems, such as that existing mobile terminal cannot identify pseudo-base station, and the present invention realizes It is next fairly simple, and power consumption is lower, potential security risk can be largely reduced, to greatly improve user's body It tests.
It should be noted that change in signal strength rate range described in the embodiment of the present invention can be according to the shifting of mobile terminal user The dynamic distance of speed and mobile terminal away from base station, is calculated, when it is implemented, those skilled in the art can root Movement speed according to a large amount of mobile terminal user and the range data away from base station carry out that above-mentioned signal strength change is calculated Rate range, and in the terminal by change in signal strength rate range storage, so that mobile terminal is judged.
It, can not be under 3G or 4G network since pseudo-base station is merely able to send refuse messages or fraud text message by 2G network Short message is sent, and pseudo-base station can not be made a phone call, so, present invention setting judges that the signal strength becomes when judging unit 32 Rate is more than preset signal strength change rate range, and mobile terminal receives short message in 2G network state mode, then determines The base station that mobile terminal is connected is pseudo-base station.
Optionally, the embodiment of the present invention, whether the base station for judging current mobile terminal connection is pseudo-base station, specific to wrap It includes:
When current network state mode is 2G, short message is received, and after the mobile terminal off-network, the base station Xiang Suoshu is fixed Fail to lock network, then determines that the base station is pseudo-base station.
Specifically, the mobile terminal of the embodiment of the present invention is to be in current network state mode according to the mobile terminal When 2G network state mode, short message is received, and to base station orientation lock network failure, then determines that the base station is pseudo-base station.
That is, the embodiment of the present invention is short by judging to receive when mobile terminal is in 2G network state mode Letter, and orient lock network failure, then determine that the base station is pseudo-base station, it is subsequent to issue the user with pseudo-base station prompt, and according to user Instruction carry out the operation such as off-network, thus greatly reduce the potential security risk of mobile terminal user, then improve user Experience.
Optionally, in the embodiment of the present invention, whether the base station for judging current mobile terminal connection is pseudo-base station, specifically Include:
When the change in signal strength rate is more than preset signal strength change rate range, and after the mobile terminal off-network, To base station orientation lock network failure, then determine that the base station is pseudo-base station.
The embodiment of the present invention is according to the mobile terminal when the change in signal strength rate is more than preset signal strength Change rate range, and to base station orientation lock network failure, determine that the base station is pseudo-base station.
That is, the embodiment of the present invention is by judgement when mobile terminal is more than measuring the change in signal strength rate Preset signal strength change rate range, and orient lock network failure, then determine that the base station is pseudo-base station, it is subsequent to issue the user with puppet Base station prompt, and the operation such as off-network is carried out according to the instruction of user, thus greatly reduce the potential safety of mobile terminal user Risk then improves user experience.
Optionally, method described in the embodiment of the present invention further include: establish the base station in the mobile terminal preset range List is compared according to the station list；When the new base station of appearance, and the change in signal strength rate is more than that preset signals are strong Change rate range is spent, and after the mobile terminal off-network, to the new base station orientation lock network failure, then determines that the new base station is pseudo- base It stands.
That is, when the embodiment of the present invention is by judging that the base station that mobile terminal is connected is new base station, and detect The change in signal strength rate arrived is more than preset signal strength change rate range, and orientation lock network failure then determines that the base station is pseudo- Base station.
It should be noted that specific judgement pseudo-base station can be arranged in those skilled in the art according to actual needs Condition, and do not need to be limited in the condition of each judgement pseudo-base station described in the embodiment of the present invention.Certainly, it is being embodied When, above-mentioned Rule of judgment can be all shown to user, be such as arranged on the screen: the new base station A.；B. change in signal strength rate is more than Preset signal strength change rate range；C.2G short message is received when network state mode；D. orientation lock network failure.Voluntarily for user Any selection is carried out to determine specific pseudo-base station Rule of judgment, and after reaching selected condition, prompts the user base station For pseudo-base station, and the operation such as off-network is carried out according to the triggering of user.
Correspondingly, the embodiment of the present invention also provides a kind of mobile terminal, previous embodiment is provided on the mobile terminal Any pseudo-base station identification device provided, therefore it is also able to achieve corresponding technical effect, detailed description has been carried out above, Details are not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (6)

1. a kind of pseudo-base station identification device characterized by comprising
Detection unit, for detecting change in signal strength rate and current network state mode；
Judging unit, for being more than preset signal strength change rate range according to the change in signal strength rate, and in current net Network state model receives short message when being 2G network state mode, and to base station orientation lock network failure after off-network, then judgement is current The base station of mobile terminal connection is pseudo-base station.
2. pseudo-base station identification device according to claim 1, which is characterized in that the judging unit further include:
Module is established, the station list for establishing in the mobile terminal preset range；
Second judgment module is also used to be compared according to the station list, and when the new base station of appearance, and the signal strength becomes Rate is more than preset signal strength change rate range, and the off-network orients lock network module and loses to the new base station orientation lock network It loses, then determines that the new base station is pseudo-base station.
3. pseudo-base station identification device according to any one of claim 1 to 2, which is characterized in that further include: prompt is single Member；The prompt unit, after determining that the base station of current mobile terminal connection is pseudo-base station in the judging unit, Issue the user with pseudo-base station prompt.
4. a kind of pseudo-base station recognition methods characterized by comprising
Detect change in signal strength rate and current network state mode；
It is more than preset signal strength change rate range according to the change in signal strength rate, and is 2G in current network state mode Short message is received when network state mode, and to base station orientation lock network failure after mobile terminal off-network, then judgement is currently mobile eventually The base station of end connection is pseudo-base station.
5. pseudo-base station recognition methods according to claim 4, which is characterized in that further include:
Establish the station list in the mobile terminal preset range；
It is compared according to the station list, when the new base station of appearance, and the change in signal strength rate is more than that preset signals are strong Change rate range is spent, and after the mobile terminal off-network, to the new base station orientation lock network failure, then determines that the new base station is pseudo- base It stands.
6. a kind of mobile terminal, which is characterized in that including pseudo-base station identification device described in any one of claims 1 to 3.
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