CN106060830A - Pseudo base station identification method and device, and terminal - Google Patents
Pseudo base station identification method and device, and terminal Download PDFInfo
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- CN106060830A CN106060830A CN201610657069.0A CN201610657069A CN106060830A CN 106060830 A CN106060830 A CN 106060830A CN 201610657069 A CN201610657069 A CN 201610657069A CN 106060830 A CN106060830 A CN 106060830A
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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
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Abstract
The invention discloses a pseudo base station identification method and a pseudo base station identification device, and a terminal. The method comprises the steps of S1, acquiring a plurality of feature parameters of system information of a base station to be accessed, and feature values of the plurality of feature parameters; S2, comparing the feature values with a preset value, and determining decision values of the plurality of feature parameters; and S3, judging whether the sum of the decision values of the plurality of feature parameters is more than a preset decision threshold, and if yes, determining that the base station is a pseudo base station. According to the method, the security of a mobile terminal in use under the condition of accessing a GSM network for communication is improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of pseudo-base station recognition methods, device and terminal.
Background technology
" pseudo-base station " i.e. false base station, is a kind of high-tech instrument, and it is searched by relevant devices such as sending short messages in groups devices and takes with it
Centered by, Mobile phone card information in the range of certain radius, and force to be connected in pseudo-base station by the mobile phone signal of user, make user
Cannot connect to public telecommunication network.Pseudo-base station, by the base station of the operator that disguises oneself as, arbitrarily falsely uses other people phone number by force
Sending the short messages such as swindle, ad promotions to user mobile phone, harass user, the normal handset affecting cellphone subscriber makes
With.And pseudo-base station there is no the voice communication resource that normal Base Station is had, and is once linked into pseudo-base station, user will be unable to carry out
Voice communication, makes troubles to user.And counter-measure not good for pseudo-base station at present.Hereinafter enumerate some pseudo-base
The harm stood:
(1) user cheating terminal is resident in pseudo-base station, causes terminal to depart from normal GSM service network, causes the user cannot
Carry out calling and called, have a strong impact on the normal use of user communication business.(2) user terminal frequently mutual signaling is caused so that pseudo-
Base station coverage area Radio Resource is nervous, has a strong impact on the proper communication of user.(3) gain user totem information by cheating, and then utilize
User is eavesdropped by it, and position is followed the tracks of, and brings threat to privacy of user.(4) simulate any rear subscriber number, send arbitrarily
Quantity, arbitrary content note, malice harassing and wrecking user.The pseudo-base station having now been found that mainly sends commercial advertisement, but if pseudo-
Base station is utilized transmission reaction note by lawless person, then will result in even more serious social danger.
But, there is no the method preferably identifying pseudo-base station at present.
Summary of the invention
Present invention is primarily targeted at a kind of pseudo-base station recognition methods of proposition, device and terminal, it is intended to improve mobile whole
Hold the safety used when accessing GSM network and communicating..
For achieving the above object, first aspect present invention provides a kind of pseudo-base station recognition methods, and described method includes step:
S1: obtain multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter of base station system information to be accessed；
S2: compared with preset value by described eigenvalue, determines the decision value of the plurality of characteristic parameter；
S3: judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold, if more than; would determine
Base station to be accessed is pseudo-base station.
In conjunction with the first aspect of the embodiment of the present invention, in the first implementation of the first aspect of the embodiment of the present invention,
Described characteristic parameter includes minimum received signal level, cell reselection offset, periodical position renewing timer and the most wireless
Channel number.
In conjunction with the first aspect of the embodiment of the present invention, in the second implementation of the first aspect of the embodiment of the present invention,
Described method further comprises the steps of:
S4: show described pseudo-base station information.
In the third implementation of the first aspect of the embodiment of the present invention, in conjunction with the embodiment of the present invention first aspect or
The first implementation or the second implementation, described step S1 particularly as follows:
When terminal is registered, obtain multiple characteristic parameters and the plurality of feature ginseng of base station system information to be accessed
The eigenvalue of number.
In 4th kind of implementation of the first aspect of the embodiment of the present invention, in conjunction with the embodiment of the present invention first aspect or
The first implementation or the second implementation, described step S1 particularly as follows:
When terminal carries out cell reselection, obtain multiple characteristic parameters of base station system information to be accessed and the plurality of spy
Levy the eigenvalue of parameter.
Additionally, for achieving the above object, second aspect present invention provides a kind of pseudo-base station identification device, it is characterised in that
Described pseudo-base station identification device includes acquisition module, determines module and judge module；
Described acquisition module, for when terminal is registered or when terminal carries out cell reselection, obtains base to be accessed
Multiple characteristic parameters of system information of standing and the eigenvalue of the plurality of characteristic parameter；
Described determine module, for being compared with preset value by described eigenvalue, determine sentencing of the plurality of characteristic parameter
Certainly value；
Described judge module, for judge the decision value of the plurality of characteristic parameter and whether more than presetting judgement threshold
Value, if more than, determine that base station to be accessed is pseudo-base station.
In conjunction with the second aspect of the embodiment of the present invention, in the first implementation of the second aspect of the embodiment of the present invention,
Described characteristic parameter includes minimum received signal level, cell reselection offset, periodical position renewing timer and the most wireless
Channel number.
In conjunction with the second aspect of the embodiment of the present invention, in the second implementation of the second aspect of the embodiment of the present invention,
Described pseudo-base station identification device also includes display module；
Described display module, is used for showing described pseudo-base station information.
Furthermore, for achieving the above object, third aspect present invention provides a kind of terminal, it is characterised in that described terminal bag
Include:
Controller, for when terminal is registered or when terminal carries out cell reselection, obtains base station system to be accessed
Multiple characteristic parameters of information and the eigenvalue of the plurality of characteristic parameter；Described eigenvalue is compared with preset value, determines
The decision value of the plurality of characteristic parameter；Judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold,
If more than, determine that base station to be accessed is pseudo-base station.
In conjunction with the third aspect of the embodiment of the present invention, in the first implementation of the third aspect of the embodiment of the present invention,
Described terminal also includes display unit, is used for showing described pseudo-base station information.
Pseudo-base station recognition methods, device and the terminal that the embodiment of the present invention provides, when registering by terminal or when eventually
When end carries out cell reselection, obtain multiple characteristic parameters and the feature of the plurality of characteristic parameter of base station system information to be accessed
Value；Eigenvalue is compared with preset value, determines the decision value of the plurality of characteristic parameter；Judge the judgement of multiple characteristic parameter
Value and whether more than presetting decision threshold.Thus differentiate according to the characteristic of true base station and pseudo-base station, to identify user
Whether the base station that mobile phone is currently accessed is pseudo-base station, therefore improves mobile terminal and is accessing the state that GSM network communicates
The safety of lower use.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram of the optional 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；
Fig. 3 is the pseudo-base station recognition methods schematic flow sheet of first embodiment of the invention；
Fig. 4 is the pseudo-base station recognition methods schematic flow sheet of second embodiment of the invention；
Fig. 5 is the pseudo-base station identification apparatus structure schematic diagram of third embodiment of the invention；
Fig. 6 is the pseudo-base station identification apparatus structure schematic diagram of fourth embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use
For representing the suffix explanation only for the beneficially present invention of such as " module ", " parts " or " unit " of element, itself
Not specific meaning.Therefore, " module " can mixedly use with " parts ".
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and consolidating of such as numeral TV, desk computer etc.
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, mobile except being used in particular for
Outside the element of purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the optional mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can include wireless communication unit 110, output unit 150, memorizer 160, interface unit 170,
Controller 180 and power subsystem 190 etc..Fig. 1 shows the mobile terminal with various assembly, it should be understood that also
The most not realistic execute all assemblies illustrated.Can alternatively implement more or less of assembly.Will be discussed in more detail below movement
The element of terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 and wireless communication system
Or the radio communication between network.Such as, wireless communication unit can include broadcast reception module 111, mobile communication module
112。
Broadcast reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcasting management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be to generate and send
Broadcast singal and/or the server of broadcast related information or the broadcast singal generated before receiving and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include that TV broadcast singal, radio signals, data are broadcasted
Signal etc..And, broadcast singal may further include the broadcast singal combined 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 receives.Broadcast singal can exist in a variety of manners, and such as, it can be with the electronics of DMB (DMB)
Program guide (EPG), the form of electronic service guidebooks (ESG) etc. of digital video broadcast-handheld (DVB-H) and exist.Broadcast
Receiver module 111 can be broadcasted by using various types of broadcast systems to receive signal.Especially, broadcast reception module 111
Can be by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video wide
Broadcast-hand-held (DVB-H), the Radio Data System of forward link media (MediaFLO@), received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcast 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 broadcast reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other type of storage medium).
Mobile communication module 112 sends radio signals to base station (such as, access point, node B etc.), exterior terminal
And in server at least one and/or receive from it radio signal.Such radio signal can include that voice leads to
Words signal, video calling signal or the various types of data sending according to text and/or Multimedia Message and/or receiving.
Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.Such as,
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, for connect have the port of device of identification module, audio frequency input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage is for verifying that user uses each of mobile terminal 100
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..It addition, the device (hereinafter referred to as " identifying device ") with identification module can be to take the form of smart card, therefore, know
Other device can be connected with mobile terminal 100 via port or other attachment means.Interface unit 170 may be used for receive from
The input (such as, data message, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements or may be used between mobile terminal and external device (ED) transmit data.
It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing electricity by it
Power provides the path of mobile terminal 100 from base or can serve as allowing from the various command signals of base input by it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from various command signals or the electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio frequency and/or tactile manner
Go out signal (such as, audio signal, video signal, alarm signal, vibration signal etc.).
Output unit 150 can include display unit 151.
Display unit 151 may be displayed on the information processed in mobile terminal 100.Such as, it is in electricity when mobile terminal 100
During words call mode, display unit 151 can show and call or other (such as, text messaging, multimedia file that communicate
Download etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern
Or during image capture mode, display unit 151 can show image and/or the image of reception of capture, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another with formed touch screen time, 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 is watched from outside with permission user, and this is properly termed as transparent
Display, typical transparent display can for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 100 can include two or more display units (or other display device), such as, move
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.
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc., or can
Temporarily to store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And
And, memorizer 160 can with storage about when touch be applied to touch screen time the vibration of various modes of output and audio signal
Data.
Memorizer 160 can include that the storage medium of at least one type, described storage medium include flash memory, hard disk, many
Media card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access store
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 100 can be connected execution memorizer with by network
The network storage device cooperation of the storage function of 160.
Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs and voice call, data
Control that communication, video calling etc. are relevant and process.Controller 180 can perform pattern recognition process, with will be at touch screen
The handwriting input of upper execution or picture are drawn input and are 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 to use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implementing for hardware, 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 perform function described herein
At least one in electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
Software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any suitable programming language
Implementing, software code can be stored in memorizer 160 and be performed 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 100 may be constructed such that utilize via frame or packet transmission data all if any
Line and wireless communication system and satellite-based communication system operate.
The communication system being wherein operable to according to the mobile terminal of the present invention is described referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, communication system use
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 relates to cdma communication system, but such teaching is equally applicable to other type of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 100, 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 form interface.MSC280 is also structured to and the BSC275 formation interface that can be couple to base station 270 via back haul link.
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 subregion (or region), by multidirectional antenna or the sky of sensing specific direction
Each subregion that line covers is radially away from BS270.Or, each subregion can be by for two or more of diversity reception
Antenna covers.Each BS270 may be constructed such that support multiple frequencies distribution, and the distribution of each frequency has specific frequency spectrum
(such as, 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 " may 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 in system the mobile terminal operated by broadcsting transmitter (BT) 295
100.Broadcast reception module 111 is arranged on mobile terminal 100 and sentences the broadcast that reception is sent by BT295 as shown in Figure 1
Signal.In fig. 2 it is shown that several global positioning systems (GPS) satellite 300.Satellite 300 helps to position multiple mobile terminals
At least one in 100.
In fig. 2, depict multiple satellite 300, it is understood that be, it is possible to use any number of satellite obtain useful
Location information.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use the position of mobile terminal can be followed the tracks of
Other technology put.It 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 terminals 100
Signal.Mobile terminal 100 generally participates in call, information receiving and transmitting communicates with other type of.Certain base station 270 receive each instead
Processed in specific BS270 to link signal.The data obtained are forwarded to the BSC275 being correlated with.BSC provides call
Resource distribution and the mobile management function of the coordination of soft switching process included between BS270.The number that BSC275 also will receive
According to being routed to MSC280, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, MSC Yu BSC275 forms interface, and BSC275 correspondingly controls BS270 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 it is shown on figure 3, first embodiment of the invention proposes a kind of pseudo-base station recognition methods, the method comprising the steps of:
S1: obtain multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter of base station system information to be accessed；
Usually, terminal disappears to obtain many from network to be able to obtain or provide various service to typically require
Breath.These wave point broadcast message be referred to as system message, can be divided into 12 types: TYPE1,2,2bis, 2ter, 3,
4、5、5bis、5ter、6、7、8.Each system message is done by following different element and is formed: 1, current network, lane place and
The identification message of community；2, community provides measurement report message and the process message of community selection of switching；3, letter is currently controlled
The description message of road structure；4, the message of the option that this community is different；5, about the distribution facing community BCCH frequency.
System message transmits in two kinds of logic channels, BCCH (Broadcast Control Channel, Broadcasting Control
Channel) or SACCH (Slow Associated Control Channel, slow associated control channel) channel: 1, in the free time
MODE, network passes through BCCH channel transmission system message 1～4,7,8；2, at communication MODE, by SACCH channel transmission system
Message 5 and 6 (including 5bis and 5ter message).
Wherein, system message 3 (System Information Type 3) mainly contains Location Area Identification (LAI), little
District identifies, and Stochastic accessing controls information (RACH), and community selects the content such as relevant parameter and SI3Rest Octets.Its
In, SI3Rest Octets includes the information such as cell reselection offset (CELL_RESELECT_OFFSET)；Control channel to describe
Periodical position renewing timer (TS3212), common control channel is described inside Control Channel Description
The information such as reserved block number (BS_AG_BLKS_RES) are permitted in road configuration (CCCH_CONF) and access.Community is additionally also had to select ginseng
Number describes the information such as minimum received signal level (RXLEV_ACCESS_MIN).
It addition, the adjacent cell in system message 2 describes the absolute of the community BCCH carrier frequency adjacent with current area
Wireless channel numbering (Absolute Radio Frequency Channel Number, ARFCN), usually, adjacent community
The Location Area Identification LAI of absolute wireless channel numbering ARFCN of BCCH carrier frequency is identical, the most not with this subdistrict position district mark LAI
Can change, pseudo-base station is the most different, and location area LAI corresponding to absolute frequency point number can periodically update.
In the present embodiment, characteristic parameter includes minimum received signal level, cell reselection offset, periodic location update
Intervalometer and absolute wireless channel numbering.
Wherein, it is allowed to the minimum incoming level (RXLEV_ACCESS_MIN) of access: be related to cell selection parameters C1's
Calculating, this value of general recommendations is preferably close to the receiving sensitivity of terminal.This value is the least, and the access threshold of community is the lowest,
Also implying that having more user accesses, this also will cause cell business volume to transship, and certainly, normal Zone has
Voice, note, data, signaling etc..But for pseudo-base station, in order to make more user access, the most just try every possible means
Reduce and access threshold, thus it is the lowest that this value can be made to arrange.Pseudo-base station is traditionally arranged to be 0, and 0 RSSI representing GSM can for-110db
To access.
Cell reselection offset (CELL_RESELECT_OFFSET, CRO): this parameter is that terminal is when carry out cell reselection
Can consider emphatically.Wherein, when the value of Penalty time parameter (Penalty_Time, PT) is not equal to 31, C2=C1+CELL_
RESELECT_OFFSET-TEMPORARY_OFFSET*H (PT-T), wherein, C1 is cell selection parameters, and C2 is cell reselection ginseng
Number, TEMPORARY_OFFSET is cell reselection temporary offset parameter, and T is the timing time of enumerator.If it will be seen that
The value of CRO is too high, then the access priority of this community just promotes, and terminal is easy to from other Serving cell gravity treatment little to this
District, and the most easily do not switch back into other community.So, this parameter of normal cell configuration is too high all without configuration, because mistake
Height can cause this cell traffic load excessive, causes quality of service to deteriorate.Also it is unfavorable for the business of several community, this area simultaneously
Share.The span of this value is 0-63.The pseudo-base station touched at present is the most directly set to 63 this value.
Periodical position renewing timer (TS3212): the configuration of this intervalometer is the shortest, certain at this subzone network capacity
In the case of, be more conducive to pseudo-base station timely the user having received note is kicked out of then suck more the most do not receive short
The user of letter reaches the commercial object of pseudo-base station, thus general pseudo-base station this value can be arranged the least, such as 1, corresponding is
6min.If the signalling loads that the too small meeting of this value causes community is excessive, the power consumption of the terminal being significantly increased simultaneously.So just
Normal base station cell will not carry out such configuration.
Definitely wireless channel numbering (Absolute Radio Frequency Channel Number, ARFCN): general
Ground, the Location Area Identification LAI of absolute wireless channel numbering ARFCN of adjacent community BCCH carrier frequency identifies with this subdistrict position district
LAI is identical, also will not change, and pseudo-base station is the most different, the location area LAI meeting cycle that an absolute frequency point number is corresponding
The renewal of property.
Optionally, when terminal is registered, obtain multiple characteristic parameters of base station system information to be accessed and the plurality of
The eigenvalue of characteristic parameter；Or, when terminal carries out cell reselection, obtain multiple features ginseng of base station system information to be accessed
Number and the eigenvalue of the plurality of characteristic parameter.
S2: compared with preset value by described eigenvalue, determines the decision value of the plurality of characteristic parameter；
According to above-mentioned minimum received signal level, cell reselection offset, periodical position renewing timer and the most wireless
Some characteristics of channel number characteristic parameter, can compare the eigenvalue of acquisition with preset value, and determine corresponding judgement
Value.As example, during minimum received signal level RXLEV_ACCESS_MIN=0, its decision value score1 can be 5, minimum
When received signal level RXLEV_ACCESS_MIN is more than 0 and less than 5, its decision value score1 can be 2；Cell reselection offset
During CELL_RESELECT_OFFSET=63, its decision value score2 can be 5, cell reselection offset CELL_RESELECT_
When OFFSET is more than 55 and less than 63, its decision value score2 can be 2；During periodical position renewing timer T3212=1, its
Decision value score3 can be 5, and when periodical position renewing timer T3212 is more than 1 and less than 55, its decision value score3 can be
3；Location Area Identification LAI and this subdistrict position when absolute wireless channel numbering ARFCN that there is adjacent community BCCH carrier frequency
During district's mark LAI difference, its decision value score4 can be 5.
S3: judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold, if more than; would determine
Base station to be accessed is pseudo-base station.
When after the decision value determining characteristic parameter, can determine whether multiple characteristic parameter decision value and whether sentence more than presetting
Certainly threshold value, if more than, determine that base station to be accessed is pseudo-base station.As example, score=score1+score2+score3+
Score4 > 10, it is determined that base station to be accessed is pseudo-base station.
It should be noted that above-mentioned decision value, preset value and default decision threshold, can be configured, in this no limit.
The pseudo-base station recognition methods that the embodiment of the present invention provides, when registering by terminal or when terminal carries out community weight
When selecting, obtain multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter of base station system information to be accessed；By eigenvalue with
Preset value compares, and determines the decision value of the plurality of characteristic parameter；Judge multiple characteristic parameter decision value and the biggest
In default decision threshold.Thus differentiate according to the characteristic of true base station and pseudo-base station, it is currently accessed identifying user mobile phone
Base station whether be pseudo-base station, therefore improve mobile terminal when access GSM network communicate use safety
Property.
As shown in Figure 4, a kind of pseudo-base station recognition methods that second embodiment of the invention proposes, the method comprising the steps of:
S1: obtain multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter of base station system information to be accessed；
S2: compared with preset value by described eigenvalue, determines the decision value of the plurality of characteristic parameter；
S3: judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold, if more than; would determine
Base station to be accessed is pseudo-base station；
S4: show described pseudo-base station information.
After determining that base station to be accessed is pseudo-base station, show this pseudo-base station information, in order to user takes appropriate measures and carries out
Process.
How to determine that base station to be accessed is pseudo-base station, have been described above being described in detail, therefore not to repeat here.
The pseudo-base station recognition methods that the embodiment of the present invention provides, by obtaining multiple features of base station system information to be accessed
Parameter and the eigenvalue of the plurality of characteristic parameter；Eigenvalue is compared with preset value, determines sentencing of the plurality of characteristic parameter
Certainly value；Judge multiple characteristic parameter decision value and whether more than presetting decision threshold, if more than; would determine base station to be accessed
For pseudo-base station, and show described pseudo-base station information when described base station to be accessed is pseudo-base station.Thus according to true base station and pseudo-base
The characteristic stood differentiates, whether to identify base station that user mobile phone is currently accessed as pseudo-base station, therefore improve mobile eventually
Hold the safety used when accessing GSM network and communicating.
The present invention further provides a kind of pseudo-base station identification device.
A kind of pseudo-base station identification device provided for third embodiment of the invention with reference to Fig. 5, Fig. 5, this pseudo-base station identification fills
Put and include: acquisition module 10, determine module 11 and judge module 12；
Acquisition module 10, for when terminal is registered or when terminal carries out cell reselection, obtains base station to be accessed
Multiple characteristic parameters of system information and the eigenvalue of the plurality of characteristic parameter；
Usually, terminal disappears to obtain many from network to be able to obtain or provide various service to typically require
Breath.These wave point broadcast message be referred to as system message, can be divided into 12 types: TYPE1,2,2bis, 2ter, 3,
4、5、5bis、5ter、6、7、8.Each system message is done by following different element and is formed: 1, current network, lane place and
The identification message of community；2, community provides measurement report message and the process message of community selection of switching；3, letter is currently controlled
The description message of road structure；4, the message of the option that this community is different；5, about the distribution facing community BCCH frequency.
System message transmits in two kinds of logic channels, BCCH (Broadcast Control Channel, Broadcasting Control
Channel) or SACCH (Slow Associated Control Channel, slow associated control channel) channel: 1, in the free time
MODE, network passes through BCCH channel transmission system message 1～4,7,8；2, at communication MODE, by SACCH channel transmission system
Message 5 and 6 (including 5bis and 5ter message).
Wherein, system message 3 (System Information Type 3) mainly contains Location Area Identification (LAI), little
District identifies, and Stochastic accessing controls information (RACH), and community selects the content such as relevant parameter and SI3Rest Octets.Its
In, SI3Rest Octets includes the information such as cell reselection offset (CELL_RESELECT_OFFSET)；Control channel to describe
Periodical position renewing timer (TS3212), common control channel is described inside Control Channel Description
The information such as reserved block number (BS_AG_BLKS_RES) are permitted in road configuration (CCCH_CONF) and access.Community is additionally also had to select ginseng
Number describes the information such as minimum received signal level (RXLEV_ACCESS_MIN).
It addition, the adjacent cell in system message 2 describes the absolute of the community BCCH carrier frequency adjacent with current area
Wireless channel numbering (Absolute Radio Frequency Channel Number, ARFCN), usually, adjacent community
The Location Area Identification LAI of absolute wireless channel numbering ARFCN of BCCH carrier frequency is identical, the most not with this subdistrict position district mark LAI
Can change, pseudo-base station is the most different, and location area LAI corresponding to absolute frequency point number can periodically update.?
In the present embodiment, characteristic parameter includes minimum received signal level, cell reselection offset, periodical position renewing timer and absolutely
Wireless channel is numbered.
Wherein, it is allowed to the minimum incoming level (RXLEV_ACCESS_MIN) of access: be related to cell selection parameters C1's
Calculating, this value of general recommendations is preferably close to the receiving sensitivity of terminal.This value is the least, and the access threshold of community is the lowest,
Also implying that having more user accesses, this also will cause cell business volume to transship, and certainly, normal Zone has
Voice, note, data, signaling etc..But for pseudo-base station, in order to make more user access, the most just try every possible means
Reduce and access threshold, thus it is the lowest that this value can be made to arrange.Pseudo-base station is traditionally arranged to be 0, and 0 RSSI representing GSM can for-110db
To access.
Cell reselection offset (CELL_RESELECT_OFFSET, CRO): this parameter is that terminal is when carry out cell reselection
Can consider emphatically.Wherein, when the value of Penalty time parameter (Penalty_Time, PT) is not equal to 31, C2=C1+CELL_
RESELECT_OFFSET-TEMPORARY_OFFSET*H (PT-T), wherein, C1 is cell selection parameters, and C2 is cell reselection ginseng
Number, TEMPORARY_OFFSET is cell reselection temporary offset parameter, and T is the timing time of enumerator.If it will be seen that
The value of CRO is too high, then the access priority of this community just promotes, and terminal is easy to from other Serving cell gravity treatment little to this
District, and the most easily do not switch back into other community.So, this parameter of normal cell configuration is too high all without configuration, because mistake
Height can cause this cell traffic load excessive, causes quality of service to deteriorate.Also it is unfavorable for the business of several community, this area simultaneously
Share.The span of this value is 0-63.The pseudo-base station touched at present is the most directly set to 63 this value.
Periodical position renewing timer (TS3212): the configuration of this intervalometer is the shortest, certain at this subzone network capacity
In the case of, be more conducive to pseudo-base station timely the user having received note is kicked out of then suck more the most do not receive short
The user of letter reaches the commercial object of pseudo-base station, thus general pseudo-base station this value can be arranged the least, such as 1, corresponding is
6min.If the signalling loads that the too small meeting of this value causes community is excessive, the power consumption of the terminal being significantly increased simultaneously.So just
Normal base station cell will not carry out such configuration.
Definitely wireless channel numbering (Absolute Radio Frequency Channel Number, ARFCN): general
Ground, the Location Area Identification LAI of absolute wireless channel numbering ARFCN of adjacent community BCCH carrier frequency identifies with this subdistrict position district
LAI is identical, also will not change, and pseudo-base station is the most different, the location area LAI meeting cycle that an absolute frequency point number is corresponding
The renewal of property.
Determine module 11, for being compared with preset value by described eigenvalue, determine the judgement of the plurality of characteristic parameter
Value；
According to above-mentioned minimum received signal level, cell reselection offset, periodical position renewing timer and the most wireless
Some characteristics of channel number characteristic parameter, can compare the eigenvalue of acquisition with preset value, and determine corresponding judgement
Value.As example, during minimum received signal level RXLEV_ACCESS_MIN=0, its decision value score1 can be 5, minimum
When received signal level RXLEV_ACCESS_MIN is more than 0 and less than 5, its decision value score1 can be 2；Cell reselection offset
During CELL_RESELECT_OFFSET=63, its decision value score2 can be 5, cell reselection offset CELL_RESELECT_
When OFFSET is more than 55 and less than 63, its decision value score2 can be 2；During periodical position renewing timer T3212=1, its
Decision value score3 can be 5, and when periodical position renewing timer T3212 is more than 1 and less than 55, its decision value score3 can be
3；Location Area Identification LAI and this subdistrict position when absolute wireless channel numbering ARFCN that there is adjacent community BCCH carrier frequency
During district's mark LAI difference, its decision value score4 can be 5.
Judge module 12, for judge the decision value of the plurality of characteristic parameter and whether more than presetting decision threshold,
If more than, determine that base station to be accessed is pseudo-base station.
When after the decision value determining characteristic parameter, can determine whether multiple characteristic parameter decision value and whether sentence more than presetting
Certainly threshold value, if more than, determine that base station to be accessed is pseudo-base station.As example, score=score1+score2+score3+
Score4 > 10, it is determined that base station to be accessed is pseudo-base station.
It should be noted that above-mentioned decision value, preset value and default decision threshold, can be configured, in this no limit.
As shown in Figure 6, a kind of pseudo-base station identification device that Fig. 6 provides for fourth embodiment of the invention, this pseudo-base station identification
Device includes: acquisition module 10, determine module 11, judge module 12 and display module 13；
Acquisition module 10, for when terminal is registered or when terminal carries out cell reselection, obtains base station to be accessed
Multiple characteristic parameters of system information and the eigenvalue of the plurality of characteristic parameter；
Determine module 11, for being compared with preset value by described eigenvalue, determine the judgement of the plurality of characteristic parameter
Value；
Judge module 12, for judge the decision value of the plurality of characteristic parameter and whether more than presetting decision threshold,
If more than, determine that base station to be accessed is pseudo-base station；
Display module 13, is used for showing described pseudo-base station information.
After determining that base station to be accessed is pseudo-base station, show this pseudo-base station information, in order to user takes appropriate measures and carries out
Process.
The pseudo-base station identification device that the embodiment of the present invention provides, when registering by terminal or when terminal carries out community weight
When selecting, obtain multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter of base station system information to be accessed；By eigenvalue with
Preset value compares, and determines the decision value of the plurality of characteristic parameter；Judge multiple characteristic parameter decision value and the biggest
In default decision threshold.Thus differentiate according to the characteristic of true base station and pseudo-base station, it is currently accessed identifying user mobile phone
Base station whether be pseudo-base station, therefore improve mobile terminal when access GSM network communicate use safety
Property.
The present invention also provides for a kind of terminal, and described terminal includes:
Controller, for when terminal is registered or when terminal carries out cell reselection, obtains base station system to be accessed
Multiple characteristic parameters of information and the eigenvalue of the plurality of characteristic parameter；Described eigenvalue is compared with preset value, determines
The decision value of the plurality of characteristic parameter；Judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold,
If more than, determine that base station to be accessed is pseudo-base station.
Further, described terminal also includes display unit, is used for showing described pseudo-base station information.
The terminal that the embodiment of the present invention provides, when being registered by terminal or when terminal carries out cell reselection, is obtained
Multiple characteristic parameters of base station system information to be accessed and the eigenvalue of the plurality of characteristic parameter；Eigenvalue is entered with preset value
Row compares, and determines the decision value of the plurality of characteristic parameter；Judge multiple characteristic parameter decision value and whether sentence more than presetting
Certainly threshold value.Thus differentiate according to the characteristic of true base station and pseudo-base station, the base station being currently accessed to identify user mobile phone is
No for pseudo-base station, therefore improve the safety that mobile terminal uses when accessing GSM network and communicating.
It should be noted that in this article, term " includes ", " comprising " or its any other variant are intended to non-row
Comprising of his property, so that include that the process of a series of key element, method, article or device not only include those key elements, and
And also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or device
Key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including this
The process of key element, method, article or device there is also other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive above-described embodiment side
Method can add the mode of required general hardware platform by software and realize, naturally it is also possible to by hardware, but a lot of in the case of
The former is more preferably embodiment.Based on such understanding, prior art is done by technical scheme the most in other words
The part going out contribution can embody with the form of software product, and this computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, take
Business device, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a pseudo-base station recognition methods, it is characterised in that described method includes step:
S1: obtain multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter of base station system information to be accessed；
S2: compared with preset value by described eigenvalue, determines the decision value of the plurality of characteristic parameter；
S3: judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold, if more than; would determine waiting
Entering base station is pseudo-base station.
A kind of pseudo-base station recognition methods the most according to claim 1, it is characterised in that described characteristic parameter includes that minimum connects
Receive signal level, cell reselection offset, periodical position renewing timer and definitely wireless channel to number.
A kind of pseudo-base station recognition methods the most according to claim 1, it is characterised in that described method further comprises the steps of:
S4: show described pseudo-base station information.
4. according to the method described in any one of claim 1-3, it is characterised in that described step S1 particularly as follows:
When terminal is registered, obtain multiple characteristic parameters of base station system information to be accessed and the plurality of characteristic parameter
Eigenvalue.
5. according to the method described in any one of claim 1-3, it is characterised in that described step S1 particularly as follows:
When terminal carries out cell reselection, obtain multiple characteristic parameters and the plurality of feature ginseng of base station system information to be accessed
The eigenvalue of number.
6. a pseudo-base station identification device, it is characterised in that described pseudo-base station identification device include acquisition module, determine module and
Judge module；
Described acquisition module, for when terminal is registered or when terminal carries out cell reselection, obtains base station to be accessed system
Multiple characteristic parameters of system information and the eigenvalue of the plurality of characteristic parameter；
Described determine module, for being compared with preset value by described eigenvalue, determine the decision value of the plurality of characteristic parameter；
Described judge module, for judge the decision value of the plurality of characteristic parameter and whether more than presetting decision threshold, if
More than then determining that base station to be accessed is pseudo-base station.
A kind of pseudo-base station identification device the most according to claim 6, it is characterised in that described characteristic parameter includes that minimum connects
Receive signal level, cell reselection offset, periodical position renewing timer and definitely wireless channel to number.
A kind of pseudo-base station identification device the most according to claim 6, it is characterised in that described pseudo-base station identification device also wraps
Include display module；
Described display module, is used for showing described pseudo-base station information.
9. a terminal, it is characterised in that described terminal includes:
Controller, for when terminal is registered or when terminal carries out cell reselection, obtains base station system information to be accessed
Multiple characteristic parameters and the eigenvalue of the plurality of characteristic parameter；Described eigenvalue is compared with preset value, determines that these are many
The decision value of individual characteristic parameter；Judge the plurality of characteristic parameter decision value and whether more than presetting decision threshold, if greatly
In then determining that base station to be accessed is pseudo-base station.
10. a kind of terminal as claimed in claim 9, it is characterised in that described terminal also includes display unit, is used for showing institute
State pseudo-base station information.
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| CN110178395A (en) * | 2017-09-08 | 2019-08-27 | 华为技术有限公司 | Pseudo-base station recognition methods and terminal |
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