CN106385669A - Method and device for identifying pseudo base station - Google Patents
Method and device for identifying pseudo base station Download PDFInfo
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- CN106385669A CN106385669A CN201610808784.XA CN201610808784A CN106385669A CN 106385669 A CN106385669 A CN 106385669A CN 201610808784 A CN201610808784 A CN 201610808784A CN 106385669 A CN106385669 A CN 106385669A
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- Prior art keywords
- base station
- pseudo
- status information
- information
- abnormal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
Abstract
The present invention provides a method and device for identifying a pseudo base station. The method comprises: obtaining the state information of a terminal, wherein the state information includes geographical location information and/or early warning state; and determining whether the state information is abnormal or not, if the state information is abnormal, closing the detection function of the pseudo base station, or else, opening the detection function of the pseudo base station, wherein the detection function of the pseudo base station includes: identifying LAI and/or system information from a communication device according to the position areas of the same frequency point adjacent areas at the current cell, and determining whether the communication device is the pseudo base station or not. The method and device for identifying pseudo base station determine whether the state information of the terminal is abnormal or not to prevent the available base stations at the open field and the available base stations in emergency circumstances from being mistaken for a pseudo base station so as to improve the accuracy of the identification of a pseudo base station and avoid influencing the normal communication.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of method and apparatus of identification pseudo-base station.
Background technology
Pseudo-base station, that is, false base station, is typically made up of main frame and notebook computer, by base station and the handss of the operator that disguises oneself as
The mobile device communications such as machine, simulate any rear subscriber number, send any amount to user mobile phone, the short of arbitrary content disappears
Breath, malice harassing and wrecking user, and gain user totem information by cheating, so using user totem information, user is eavesdropped and position with
Track, brings threat to privacy of user.
Additionally, when pseudo-base station is run, user cheating mobile phone is resident in pseudo-base station, user mobile phone is led to depart from normal GSM
(Global System for Mobile Communications, global system for mobile communications) service network, and continually more
New position and interactive instruction, so that the wireless network resource in this region is nervous and network congestion phenomenon, cause the user cannot
Carry out calling and called, have a strong impact on the normal use of user communication business.User mobile phone typically can recover after 8～12 seconds temporary transient off-grid
Normally, part mobile phone must could network again in switching on and shutting down.
In current techniques, leading scanning device scanning pseudo-base station is usually used, or is differentiated using short message centre number pseudo-
Base station.However, low using leading scanning device scan efficiency, effect is not high；And pseudo-base station can carry out puppet to short message centre number
Dress, leads to be difficult to accurately differentiate pseudo-base station using short message centre number.
Content of the invention
Present invention is primarily targeted at proposing a kind of method and apparatus of identification pseudo-base station it is intended to solve prior art no
Method effectively identifies the defect of pseudo-base station.
For achieving the above object, the method for a kind of identification pseudo-base station that the present invention provides, including：
Obtain the status information of terminal, described status information includes geographical location information and/or alert status；
Judge whether described status information is abnormal, if abnormal, close pseudo-base station detection function；Otherwise, open pseudo- base
Stand detection function, described pseudo-base station detection function includes：The Location Area Identification LAI of the same frequency adjacent area according to current area and/
Or the system message from communication equipment, judge whether communication equipment is pseudo-base station.
Additionally, for achieving the above object, the present invention also proposes a kind of device of identification pseudo-base station, including：
Acquisition module, for obtaining the status information of terminal, described status information includes geographical location information and/or early warning
State；
Judge module, whether abnormal for judging described status information；
Processing module, for when described status information is abnormal, closing pseudo-base station detection function；In described status information just
Chang Shi, opens pseudo-base station detection function, and described pseudo-base station detection function includes：The position of the same frequency adjacent area according to current area
Area identifies LAI and/or the system message from communication equipment, judges whether communication equipment is pseudo-base station.
The method and apparatus of identification pseudo-base station proposed by the present invention, by judging the status information whether exception of terminal, energy
Enough avoid for the available base stations of open field and available base stations being in emergency circumstances mistaken for pseudo-base station, thus improving the pseudo- base of identification
The precision stood, it is to avoid impact proper communication.
Brief description
Fig. 1 is the hardware architecture diagram of the mobile terminal realizing each embodiment of the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
A kind of method flow diagram of identification pseudo-base station that Fig. 3 proposes for first embodiment of the invention；
A kind of method flow diagram of identification pseudo-base station that Fig. 4 proposes for second embodiment of the invention；
A kind of method flow diagram of identification pseudo-base station that Fig. 5 proposes for third embodiment of the invention；
A kind of structure drawing of device of identification pseudo-base station that Fig. 6 proposes for fourth embodiment of the invention；
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Realize the terminal of each embodiment of the present invention referring now to Description of Drawings.In follow-up description, using being used for
, only for being conducive to the explanation of the present invention, itself is not for the suffix of such as " module ", " part " or " unit " representing element
There is specific meaning.Therefore, " module " and " part " can mixedly use.
Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone,
Smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP are (portable
Multimedia player), the fixed terminal of the mobile terminal of guider etc. and such as digital TV, desk computer etc..
Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for mobile purpose
Outside element, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal realizing each embodiment of the present invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups illustrating
Part.More or less of assembly can alternatively be implemented.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal generating before the server of broadcast singal and/or broadcast related information or reception and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singal, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combining with TV or radio signals.Broadcast phase
Pass information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can exist in a variety of manners, and for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can be broadcasted by using various types of broadcast system receipt signals.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and is adapted to provide for extensively
Broadcast the various broadcast systems of signal and above-mentioned digit broadcasting system.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other types of storage medium).
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/or receive from it radio signal.Such radio signal can include voice and lead to
Words signal, video calling signal or the various types of data sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include WLAN (WLAN) (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 junction service.Some examples of short-range communication technology include indigo plant
ToothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybeeTMEtc..
Location information module 115 be for check or obtain mobile terminal positional information module.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 calculates and is derived from three or more satellites
Range information and correct time information and for the Information application triangulation calculating, thus according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, the method for calculating position and temporal information is defended using three
Star and the error of the position that calculates by using other satellite correction and temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include camera 121 He
Mike 1220, camera 121 is to the static map being obtained by image capture apparatus in Video Capture pattern or image capture mode
The view data of piece or video is processed.Picture frame after process may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memorizer 160 (or other storage medium) or carry out via wireless communication unit 110
Send, two or more cameras 1210 can be provided according to the construction of mobile terminal.Mike 122 can be in telephone relation mould
Sound (voice data) is received via mike in formula, logging mode, speech recognition mode etc. operational mode, and can be by
Such acoustic processing is voice data.Audio frequency (voice) data after process can be changed in the case of telephone calling model
For can be sent to the form output of mobile communication base station via mobile communication module 112.Mike 122 can implement all kinds
Noise eliminate (or suppression) algorithm with eliminate (or suppression) receive and the noise that produces during sending audio signal or
Person disturbs.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to touched and lead to resistance, pressure, the change of electric capacity etc. sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Sensing unit 140 detect mobile terminal 1 00 current state, (for example, mobile terminal 1 00 open or close shape
State), the position of mobile terminal 1 00, user is for the presence or absence of the contact (that is, touch input) of mobile terminal 1 00, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can sense
This sliding-type phone opens or cuts out.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 is coupled with external device (ED).Sensing unit 140 can include proximity transducer 1410 and will combine below
Touch screen this is described.
Interface unit 170 is connected, with mobile terminal 1 00, the interface that can pass through as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port of device for connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be storage for verifying that user uses each of mobile terminal 1 00
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected with mobile terminal 1 00 via port or other attachment means.Interface unit 170 can be used for reception and is derived from
The input (for example, data message, electric power etc.) of the external device (ED) and input receiving is transferred in mobile terminal 1 00
One or more elements or can be used for transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides the path of mobile terminal 1 00 from base or can serve as allowing the various command signals from base input to pass through it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from the various command signals of base input or electric power
The no signal being accurately fitted within base.Output unit 150 is configured to defeated with the offer of vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).Output unit 150 can include showing
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processing in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show (for example, text messaging, the multimedia file that communicate with call or other
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and the touch pad touch screen with formation superposed on one another as a layer, display unit
151 can serve as input equipment and output device.Display unit 151 can 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
A kind of.Some in these display may be constructed such that transparence to allow user from outside viewing, and 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
The embodiment wanted, mobile terminal 1 00 can include two or more display units (or other display device), for example, moves
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
When under the isotypes such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide and move
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation of terminal 100 execution.
Dio Output Modules 152 can include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 1 00.Typical event is permissible
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video output, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, enters when communicating (incomingcommunication) when receiving calling, message or some other, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memorizer 160 can store software program of the process being executed by controller 180 and control operation etc., or can
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memorizer 160 can be to store the vibration of various modes with regard to exporting and audio signal when touching and being applied to touch screen
Data.
Memorizer 160 can include the storage medium of at least one type, and described storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizer etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can execute memorizer with by network connection
The network storage device cooperation of 160 store function.
Controller 180 generally controls the overall operation of mobile terminal.For example, controller 180 execution and voice call, data
The related control of communication, video calling etc. and process.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can construct in controller 180, or it is so structured that and control
Device 180 processed separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executing on the touchscreen or figure
Piece is drawn input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Suitable electric power needed for part and assembly.
Various embodiment described herein can be with using such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.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
Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to execute function described herein
At least one in electronic unit implementing, in some cases, can be implemented in controller 180 by such embodiment.
Software is implemented, the embodiment of such as process or function can with allow to execute the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any suitable programming language
Implement, software code can be stored in memorizer 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system being wherein operable to according to the mobile terminal of the present invention referring now to Fig. 2 description.
Such communication system can use different air interfaces and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 formation interfaces.MSC280 is also structured to and can form interface via the BSC275 that back haul link is couple to base station 270.
If back haul link can construct according to any one in the interface that Ganji knows, described interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system as shown in Figure 2 can include multiple BSC2750.
Each BS270 can service one or more subregions (or region), by the sky of multidirectional antenna or sensing specific direction
Each subregion that line covers is radially away from BS270.Or, each subregion can by for diversity reception two or more
Antenna covers.Each BS270 may be constructed such that support multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed 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 representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, 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 of operation in system by broadcsting transmitter (BT) 295
100.Broadcasting reception module 111 is arranged at mobile terminal 1 00 to receive the broadcast being sent by BT295 as shown in Figure 1
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, depict multiple satellites 300, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 is generally configured to coordinate with satellite 300 to obtain the positioning letter wanted as shown in Figure 1
Breath.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use other of the position of mobile terminal can be followed the tracks of
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of certain base station 270 reception is anti-
Processed in specific BS270 to link signal.The data obtaining is forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of including the coordination of soft switching process between BS270.BSC275 is also by the number receiving
According to being routed to MSC280, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.
As shown in figure 3, first embodiment of the invention proposes a kind of method of identification pseudo-base station, including：
Step 301, obtains the status information of terminal.
Wherein, status information includes geographical location information and/or alert status.
In the present embodiment, the alert status of terminal can be the early warning information that terminal receives.
Step 302, judges whether status information is abnormal, if it is, execution step 303；Otherwise, execution step 304.
Specifically, when status information includes geographical location information, can judge whether terminal is located according to geographical location information
In open field, if it is, determining that status information is abnormal；Otherwise, it determines status information is normal.
It can be determined that whether the geographical location information of terminal is in preset range in the present embodiment, if it is, determining eventually
End is in open field；Otherwise, it determines terminal is not in open field.Wherein, preset range is correspondingly with open field
Reason position range.For example, obtain the geographical location information of terminal by the GPS module of terminal, by geographical location information with default
Data base be compared, judge whether terminal is in the open fields such as field.
Additionally, status information is included during alert status it can be determined that whether terminal received early warning letter in Preset Time
Breath, if it is, determine that status information is abnormal；Otherwise, it determines status information is normal.
Wherein, early warning information can be sent by operator or government, the disaster information such as earthquake or typhoon or
The information such as emergency evacuation or hedging.
Step 303, closes pseudo-base station detection function.
Step 304, opens pseudo-base station detection function.
Wherein, pseudo-base station detection function includes：The Location Area Identification LAI of the same frequency adjacent area according to current area
(Location Area Code, Location Area Identification) and/or the system message from communication equipment, judges that whether communication equipment is
Pseudo-base station.
In the present embodiment, system message is GSM (Global System for Mobile Communication, the whole world
Mobile communication system) SI3 (System Information Type 3, system message type 3) in agreement.
Further, when search is less than available cell, close pseudo-base station detection function, again receive and set from communication
Standby system information, and according to the system information again receiving, select available cell.
First embodiment of the invention passes through to judge the status information whether exception of terminal, it can be avoided that by open field can
It is mistaken for pseudo-base station with base station and available base stations in emergency circumstances, thus improving the precision of identification pseudo-base station, it is to avoid impact
Proper communication.
As shown in figure 4, second embodiment of the invention proposes a kind of method of identification pseudo-base station, including：
Step 501, after starting up of terminal, the frequency range that end of scan is supported, and the frequency range scanning is ranked up.
Specifically, can according to signal intensity from strong to weak order, the frequency range scanning is ranked up.
Step 502, selects frequency as current frequency from the frequency range scanning, according to current frequency, receives from logical
The system message of letter equipment.
Specifically, can according to signal intensity from strong to weak order, select frequency from the frequency range scanning.
In the present embodiment, system message can be the SI3 in gsm protocol.
According to system message, step 503, judges whether current area meets pre-conditioned, if it is, execution step
506；Otherwise, execution step 504.
Step 504, judges the frequency whether having not selected mistake in the frequency range scanning, if it is, execution step
505；Otherwise, terminate flow process.
Step 505, selects the frequency of a not selected mistake as current frequency, according to current from the frequency range scanning
Frequency, receives the system message from communication equipment, and execution step 503.
Step 506, obtains the geographical location information of terminal, judges whether terminal is in field according to geographical location information
Band, if it is, execution step 516；Otherwise, execution step 507.
Step 507, obtains minimum received signal level, period position updates intervalometer and cell reselection from system message
Skew.
Step 508, judges whether the value of minimum received signal level is the first preset value, if it is, execution step
509；Otherwise, execution step 515.
Specifically, the value of the minimum received signal level in the system message of base station broadcast is usually closer to connecing of terminal
Receive sensitivity, value is less, the access threshold of cell is lower to be accessed it is meant that having more users.In order to avoid cell
Traffic overload, the value of minimum received signal level generally will not be arranged too small by base station.For pseudo-base station, in order to
More users are made to access it will usually the value of minimum received signal level is set to less numerical value.Therefore, receiving
After the system message of communication device broadcasts, can pass through to judge whether the value of minimum received signal level is the first preset value,
Determine whether this communication equipment is pseudo-base station, the first preset value is less than the normal value of minimum received signal level.
In the present embodiment, the first preset value may range from 0～5.Preferably, the first preset value is 0.
Step 509, judges whether the value that period position updates intervalometer is the second preset value, if it is, executing step
Rapid 510；Otherwise, execution step 515.
Specifically, period position updates intervalometer and is used for representing that the mobile device in current area initiates position from trend network
Put the cycle updating request, value is less, more continually launch position updates request to the mobile device in current area.In order to keep away
The signalling loads exempting from cell are excessive, and reduce the power consumption of terminal, and period position generally will not be updated taking of intervalometer by base station
Value arranges too small.And for pseudo-base station, in order that more user accesses, can be by period position be updated intervalometer
Value be set to less numerical value continually launch position update request, Jin Erjie so that having received the user of short message
Enter new user.Therefore, after receiving the system message of communication device broadcasts, timing can be updated by judging period position
Whether the value of device is the second preset value, determines whether this communication equipment is pseudo-base station, and the second preset value is less than period position more
The normal value of new intervalometer.The normal value that period position updates intervalometer is usually 10, represents the movement in current area
The cycle that equipment updates request from trend network launch position is 1 hour.
In the present embodiment, the second preset value may range from 1～3.Preferably, the second preset value is 1.
Step 510, judges whether the value of cell reselection offset is the 3rd preset value, if it is, execution step 511；
Otherwise, execution step 515.
Specifically, the value of cell reselection offset is bigger, and the access priority of current area is higher, terminal easier from it
His cell reselection is to current area, and is difficult to switch back into other cells.In order to avoid leading to business because traffic load is excessive
Deterioration, base station generally will not will cell reselection offset value setting too much, the business in order to multiple cells is shared.
For pseudo-base station, in order that more user accesses it will usually the value of cell reselection offset is set to larger number
Value.Therefore, after receiving the system message of communication device broadcasts, by judging the value of cell reselection offset can be whether
3rd preset value, determines whether this communication equipment is pseudo-base station, and the 3rd preset value is more than the normal value of cell reselection offset.
In the present embodiment, the scope of the 3rd preset value is 60～63.Preferably, the 3rd preset value is 63.
Step 511, judges whether the LAI with frequency adjacent area of current area is identical with the LAI of current area, if it is,
Then execution step 515；Otherwise, execution step 512.
Step 512, judge in system message whether there is GPRS (General Packet Radio Service, general
Packet wireless service) sign, if it is, execution step 515；Otherwise, execution step 513.
In the present embodiment, GPRS sign represents support GPRS, because pseudo-base station does not support GPRS, so, pseudo-base station
GPRS sign is not comprised in the system message of broadcast.
Step 513, judges to whether there is system message sign in system message, if it is, execution step 515；
Otherwise, execution step 514.
In the present embodiment, system message sign can be the SI2quater (System in gsm protocol
Information Type 2quater, the four of system message type 2) sign, represent that communication equipment will be broadcasted
SI2quater.Because pseudo-base station does not broadcast SI2quater, so, typically do not comprise in the system message of pseudo-base station broadcast
SI2quater sign.
Step 514, communication equipment is identified as pseudo-base station, the information of this pseudo-base station is added to banned list, and returns
Step 504.
Step 515, determines that communication equipment is not pseudo-base station, accesses current area, and execution position more new registration.
In the present embodiment, the area coverage being in the base station of open field is larger, and arrange parameter can with normal base station not yet
Unanimously.When judging that terminal is in open field according to geographical location information, not further according to the same frequency adjacent area of current area
LAI and/or from communication equipment system message, judge whether communication equipment is pseudo-base station.
According to geographical location information, second embodiment of the invention, when cell of starting shooting selects, judges whether terminal is in spaciousness
Area, and when judging that terminal is in open field, close pseudo-base station identification function, it can be avoided that open field is available
Base station is mistaken for pseudo-base station, thus improving the precision of identification pseudo-base station, it is to avoid impact proper communication.
As shown in figure 5, third embodiment of the invention proposes a kind of method of identification pseudo-base station, including：
Step 601, when cell reselection, obtains all of neighboring BS information, and adjacent area is ranked up.
Specifically, can according to signal intensity from strong to weak order, adjacent area is ranked up.
Step 602, selects an adjacent area as current area from the neighboring BS information getting, receives and be derived from communication equipment
System message.
In the present embodiment, system message can be the SI3 in gsm protocol.
According to system message, step 603, judges whether current area meets pre-conditioned, if it is, execution step
607；Otherwise, execution step 604.
Step 604, judges the adjacent area whether having not selected mistake in the neighboring BS information getting, if it is, executing step
Rapid 605；Otherwise, execution step 606.
Step 605, the adjacent area selecting a not selected mistake from the neighboring BS information getting, as current area, receives
From the system message of communication equipment, and execution step 603.
Step 606, closes pseudo-base station identification function, again receives the system information from communication equipment, and according to again
The system information receiving, selects available cell.
Step 607, judges whether terminal received early warning information in Preset Time, if it is, execution step 616；
Otherwise, execution step 608.
Step 608, obtains minimum received signal level, period position updates intervalometer and cell reselection from system message
Skew.
Step 609, judges whether the value of minimum received signal level is the first preset value, if it is, execution step
610；Otherwise, execution step 616.
Specifically, the value of the minimum received signal level in the system message of base station broadcast is usually closer to connecing of terminal
Receive sensitivity, value is less, the access threshold of cell is lower to be accessed it is meant that having more users.In order to avoid cell
Traffic overload, the value of minimum received signal level generally will not be arranged too small by base station.For pseudo-base station, in order to
More users are made to access it will usually the value of minimum received signal level is set to less numerical value.Therefore, receiving
After the system message of communication device broadcasts, can pass through to judge whether the value of minimum received signal level is the first preset value,
Determine whether this communication equipment is pseudo-base station, the first preset value is less than the normal value of minimum received signal level.
In the present embodiment, the first preset value may range from 0～5.Preferably, the first preset value is 0.
Step 610, judges whether the value that period position updates intervalometer is the second preset value, if it is, executing step
Rapid 611；Otherwise, execution step 616.
Specifically, period position updates intervalometer and is used for representing that the mobile device in current area initiates position from trend network
Put the cycle updating request, value is less, more continually launch position updates request to the mobile device in current area.In order to keep away
The signalling loads exempting from cell are excessive, and reduce the power consumption of terminal, and period position generally will not be updated taking of intervalometer by base station
Value arranges too small.And for pseudo-base station, in order that more user accesses, can be by period position be updated intervalometer
Value be set to less numerical value continually launch position update request, Jin Erjie so that having received the user of short message
Enter new user.Therefore, after receiving the system message of communication device broadcasts, timing can be updated by judging period position
Whether the value of device is the second preset value, determines whether this communication equipment is pseudo-base station, and the second preset value is less than period position more
The normal value of new intervalometer.The normal value that period position updates intervalometer is usually 10, represents the movement in current area
The cycle that equipment updates request from trend network launch position is 1 hour.
In the present embodiment, the second preset value may range from 1～3.Preferably, the second preset value is 1.
Step 611, judges whether the value of cell reselection offset is the 3rd preset value, if it is, execution step 612；
Otherwise, execution step 616.
Specifically, the value of cell reselection offset is bigger, and the access priority of current area is higher, terminal easier from it
His cell reselection is to current area, and is difficult to switch back into other cells.In order to avoid leading to business because traffic load is excessive
Deterioration, base station generally will not will cell reselection offset value setting too much, the business in order to multiple cells is shared.
For pseudo-base station, in order that more user accesses it will usually the value of cell reselection offset is set to larger number
Value.Therefore, after receiving the system message of communication device broadcasts, by judging the value of cell reselection offset can be whether
3rd preset value, determines whether this communication equipment is pseudo-base station, and the 3rd preset value is more than the normal value of cell reselection offset.
In the present embodiment, the scope of the 3rd preset value is 60～63.Preferably, the 3rd preset value is 63.
Step 612, judges whether the LAI with frequency adjacent area of current area is identical with the LAI of current area, if it is,
Then execution step 616；Otherwise, execution step 613.
Step 613, judges to whether there is GPRS sign in system message, if it is, execution step 616；Otherwise,
Execution step 614.
In the present embodiment, GPRS sign represents support GPRS, because pseudo-base station does not support GPRS, so, pseudo-base station
GPRS sign is not comprised in the system message of broadcast.
Step 614, judges to whether there is system message sign in system message, if it is, execution step 616；
Otherwise, execution step 615.
In the present embodiment, system message sign can be the SI2quater sign in gsm protocol, represents logical
Letter equipment will broadcast SI2quater.Because pseudo-base station does not broadcast SI2quater, so, in the system message of pseudo-base station broadcast
Typically do not comprise SI2quater sign.
Step 615, communication equipment is identified as pseudo-base station, the information of this pseudo-base station is added to banned list, and returns
Step 604.
Step 616, determines that communication equipment is not pseudo-base station, accesses current area, and execution position more new registration.
In the present embodiment, when being in an emergency, for example, during the disaster such as earthquake, normal base station will be unable to use, and meets an urgent need
The arrange parameter of base station is inconsistent with normal base station.When judging that terminal received early warning information in Preset Time, no longer
The LAI of the same frequency adjacent area according to current area and/or the system message from communication equipment, judge whether communication equipment is pseudo-
Base station.
Third embodiment of the invention, in cell reselection, is believed by judging whether terminal received early warning in Preset Time
Breath, it is determined whether be in an emergency, and when being in an emergency, closes pseudo-base station identification function, it can be avoided that by spaciousness
The available base stations in area are mistaken for pseudo-base station, thus improving the precision of identification pseudo-base station, it is to avoid impact proper communication.Additionally,
When search is less than available cell, closes pseudo-base station detection function, reselect cell, it is to avoid lead due to identification pseudo-base station
Cause cannot communicate.
The present invention further provides a kind of device of identification pseudo-base station.
Reference Fig. 6, a kind of device of identification pseudo-base station that Fig. 6 proposes for fourth embodiment of the invention, including：
Acquisition module 710, for obtaining the status information of terminal.
Wherein, status information includes geographical location information and/or alert status.
Judge module 720, whether abnormal for judging status information.
Specifically, above-mentioned judge module 720, specifically for when status information includes geographical location information, according to geography
Positional information judges whether terminal is in open field, if it is, determining that described status information is abnormal；Otherwise, it determines it is described
Status information is normal；
When status information includes alert status, judge whether terminal received early warning information in Preset Time, if
It is it is determined that status information is abnormal；Otherwise, it determines status information is normal.
Processing module 730, for when status information is abnormal, closing pseudo-base station detection function；When status information is normal,
Open pseudo-base station detection function.
Wherein, pseudo-base station detection function includes：The LAI of the same frequency adjacent area according to current area and/or set from communication
Standby system message, judges whether communication equipment is pseudo-base station.
Wherein, system message is the system message type 3 in gsm protocol.
Further, above-mentioned device, also includes：
Gravity treatment module, for when search is less than available cell, closing pseudo-base station detection function, receives again from logical
The system information of letter equipment, and according to the system information again receiving, select available cell.
Judge module 720 in fourth embodiment of the invention judges that status information is whether abnormal, it can be avoided that by field
The available base stations of band and available base stations in emergency circumstances are mistaken for pseudo-base station, thus improving the precision of identification pseudo-base station, keep away
Exempt to affect proper communication.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or device not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or device institute
Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
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 the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Go out partly can embodying in the form of software product of contribution, this computer software product is stored in a storage medium
In (as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) method described in execution each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of method of identification pseudo-base station is it is characterised in that include：
Obtain the status information of terminal, described status information includes geographical location information and/or alert status；
Judge whether described status information is abnormal, if abnormal, close pseudo-base station detection function；Otherwise, open pseudo-base station inspection
Brake, described pseudo-base station detection function includes：The Location Area Identification LAI of the same frequency adjacent area according to current area and/or come
From the system message of communication equipment, judge whether communication equipment is pseudo-base station.
2. the method for claim 1 is it is characterised in that described status information includes geographical location information；
Described judge that described status information is whether abnormal, including：
Judge whether terminal is in open field according to geographical location information, if it is, determining that described status information is abnormal；No
Then, determine that described status information is normal.
3. the method for claim 1 is it is characterised in that described status information includes alert status；
Described judge that described status information is whether abnormal, including：
Judge whether described terminal received early warning information in Preset Time, if it is, determining that described status information is abnormal；
Otherwise, it determines described status information is normal.
4. the method for claim 1 is it is characterised in that after described unlatching pseudo-base station detection function, also include：
When search is less than available cell, closes pseudo-base station detection function, again receive the system information from communication equipment,
And according to the system information again receiving, select available cell.
5. the method for claim 1 is it is characterised in that described system message is global system for mobile communications gsm protocol
In system message type 3.
6. a kind of device of identification pseudo-base station is it is characterised in that include：
Acquisition module, for obtaining the status information of terminal, described status information includes geographical location information and/or early warning shape
State；
Judge module, whether abnormal for judging described status information；
Processing module, for when described status information is abnormal, closing pseudo-base station detection function；Normal in described status information
When, open pseudo-base station detection function, described pseudo-base station detection function includes：The position area of the same frequency adjacent area according to current area
Mark LAI and/or the system message from communication equipment, judge whether communication equipment is pseudo-base station.
7. device as claimed in claim 6 is it is characterised in that described status information includes geographical location information；
Described judge module, specifically for judging whether terminal is in open field according to geographical location information, if it is, really
Fixed described status information is abnormal；Otherwise, it determines described status information is normal.
8. device as claimed in claim 6 is it is characterised in that described status information includes alert status；
Described judge module, specifically for judging whether described terminal received early warning information in Preset Time, if it is,
Determine that described status information is abnormal；Otherwise, it determines described status information is normal.
9. device as claimed in claim 6 is it is characterised in that also include：
Gravity treatment module, for when search is less than available cell, closing pseudo-base station detection function, again receives and sets from communication
Standby system information, and according to the system information again receiving, select available cell.
10. device as claimed in claim 6 is it is characterised in that described system message is the system message type in gsm protocol
3.
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