CN105050092A - Method for locating false base station - Google Patents
Method for locating false base station Download PDFInfo
- Publication number
- CN105050092A CN105050092A CN201510518194.9A CN201510518194A CN105050092A CN 105050092 A CN105050092 A CN 105050092A CN 201510518194 A CN201510518194 A CN 201510518194A CN 105050092 A CN105050092 A CN 105050092A
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- Prior art keywords
- base station
- pseudo
- location
- location updating
- cell
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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
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
Abstract
The invention presents a method for locating a false base station. The method comprises the steps as follows: obtaining resident cell information which is updated frequently in cell location in mass location updating signals, and finding a signal with location update rejection in a location updating process via screening and analyzing the signals; and determining that a false base station exists in the area of the cell when the location update rejection singals appears at the same terminal in the same cell in the same time period for many times; and locating the false base station by combining a testing position and the signal strength received by a testing terminal. The method for locating the false base-station provided by the invention is based on an actual location updating type and a switching measurement of the cell, performs mass data selection and analysis, and finally locates the cell which is influenced by the false base station, and the positions that the false base station may exist or appear are also located.
Description
Technical field
The present invention relates to the technology that pseudo-base station, a kind of accurate location affects community, being specifically related to one utilizes location updating type and handover measurement synthetic determination to affect community by pseudo-base station, finally instead measures the method that this cell range exists the pseudo-base station of positive location of pseudo-base station.
Background technology
Pseudo-base station is mainly by simulation communication wireless base system and background analysis system, high-power wireless signal is adopted to launch, force mobile phone to be registered in pseudo-base station, the operator of pseudo-base station can send message with any number group by said system in its coverage.
The pseudo-base station of mobility has following characteristics:
(1) normal handset user affects the feature presented by pseudo-base station:
Obvious characteristic user can receive the harassing and wrecking information of strangeness numbers.
During user's caller, there will be the unexpected no signal of mobile phone, excessively within several seconds, recover normal its afterwards and exhale.
When user is called, can be alerted and temporarily cannot connects, or subscriber absent.
(2) feature of pseudo-base station itself existence:
Position tool mobility.Generally, place, after the region that the stream of people is larger stops 10 ~ 30 minutes, is changed in the pseudo-base station of mobility.
LAC and/or main BCCH frequently changes.Ordinary circumstance converts once in about 2 minutes; Its main purpose kicks out of the cell-phone number residing in and be sent out note in pseudo-base station; Obtain new cell-phone number resident, and obtain cell-phone number.
General is carrier with car.Obvious antenna can be there is in roof or car rear cabinet; Car generally can leave standstill or slowly travel.
Pseudo-base station has number screening function.A phone number generally maximum transmission twice note, just no longer sends note afterwards.
Because pseudo-base station can force mobile phone to carry out gravity treatment, normal users can be caused when caller, occur off-grid; Time called, there is the situation that temporarily cannot pagedly arrive.Meanwhile, some falsenesses, swindle note are provided in pseudo-base station, have invaded the rights and interests of common carrier and client, have had a strong impact on proper communication.
Summary of the invention
The present invention proposes a kind of method of locating pseudo-base station, based on the location updating type of reality, the handover measurement of community, and carry out mass data screening, analysis, finally orient the community affected by pseudo-base station, orient the position that pseudo-base station may exist or occur.
To achieve these goals, the invention provides a kind of method of locating pseudo-base station, it is characterized in that,
1) acquisition magnanimity location updating signaling small area location updating is resident frequently stays cell information, is screened, find out location in position update flow and upgrade the signaling of refusal by signalling analysis;
2) occur repeatedly with the same terminal in community when the location updating rejection signaling same time period, judge to there is pseudo-base station in this cell area;
3) signal strength signal intensity received in conjunction with test position and test terminal locates pseudo-base station location.
NCS full name: NeighborCellSupport, compiles the data after cell localization computing, and is recorded in some data in positions calculations process, and these data take BCCH/BSIC as base unit.The signal strength signal intensity of the measurement frequency that NCS utilizes mobile phone for measuring to define, when normally switching between normal cell, need not carry out ID authentication request.In communication process, determine that the operation method switched is location (LOCATING) algorithm, by by the computing of MS and BTS Measurement and analysis, queued up by signal strength signal intensity descending, preferentially switch in community by location algorithm.The signal strength signal intensity of MS to the signal strength signal intensity of the down link that SACCH sends and the error rate, adjacent Qiang community identifies.Signal strength signal intensity, BER, TA value of the up link that BTS identifies.LAI lane place identification code, for the location updating of travelling carriage, it is mobile national number by MCC(), MNC (for mobile network No.) and LAC(lane place number, its maximum length is 16, can define at most 65536 diverse location districts in a GSM PLMN) three part compositions.
When mobile phone reselects to pseudo-base station, just will inevitably upgrade by trigger position, and occur location updating failure phenomenon.And in such location updating and network, location updating is different normally, main reflection in the signaling, there will be system and issue IdentityRequest(ID authentication request) then upload IdentityResponse signaling, this type of signaling be meant to authentication.This situation generally just there will be when MS registration or different intersystem reselection, and exchange side arranges whether require identity verification, just there will be this message, or can carry out this process during mobile phone power-on after MS is across LAC.When taking pseudo-base station, this type of location updating is all generally can be unaccepted.So system issue due to LocationUpdatereject(location updating refusal) cause ChannelRelease(channel release), location updating refusal for the first time, Reason For Denial is RemotenotAllowedinthisLocationArea(out of reach), after location updating refusal, pseudo-base station LAC does not register in system.The LAI that the LAI of the pseudo-base station taken due to MS and system are registered is inconsistent, and MS still upgrades to network launch position with the LAC of pseudo-base station.The number of times upgraded by existing network community launch position MS according to space interface signaling and flow process are analyzed, when location updating rejection signaling at one time the same terminal in Duan Tong community occur repeatedly, judge to there is pseudo-base station in this cell area, the signal strength signal intensity received in conjunction with test position and test terminal locates pseudo-base station location.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the method for pseudo-base station, location provided by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of method of locating pseudo-base station provided by the invention, is characterized in that,
1) acquisition magnanimity location updating signaling small area location updating is resident frequently stays cell information, is screened, find out location in position update flow and upgrade the signaling of refusal by signalling analysis;
2) occur repeatedly with the same terminal in community when the location updating rejection signaling same time period, judge to there is pseudo-base station in this cell area;
3) signal strength signal intensity received in conjunction with test position and test terminal locates pseudo-base station location.
Signalling analysis screening comprises the screening of location updating type sampled point, NCS measures handover information collection and data type screening.
Location updating categorical data, according to the screening of available data type, obtains out-of-the way position and upgrades community, combines to switch abnormal neighboring BS information and draw and affect community by pseudo-base station, and the signal strength signal intensity received in conjunction with test position and test terminal locates pseudo-base station location.Test position is judged by signalling analysis when being test, obtains the Position Approximate of pseudo-base station.Test terminal can be testing mobile phone terminal particularly.
The step of the method mainly contains: measure situation by definition NCS, finds out to exist to switch abnormal cell situation.In conjunction with on-the-spot magnanimity location updating signalling analysis, find out the concrete cell-of-origin of doing location updating to certain pseudo-base station.Main process has: measure relation by defined NCS, has found out and has occurred more measurement relation suddenly, but the cell conditions of undefined adjacent area.Doing location updating according to both existing to pseudo-base station, there is again paroxysmal handover measurement abnormal cell simultaneously, if the time period is also consistent, finally can judge that this community receives the impact of pseudo-base station.
Particularly, realize by following steps: find out handover measurement definition abnormal cell according to NCS measurement, if there is handover measurement abnormal cell, be decided to be and may affect by pseudo-base station.Combine on-the-spot collection signaling data again, from signaling, filter out that to exist with LAC be the community of the legal verification value of existing network, as: 65534 cell-of-origins of doing location updating, non-existent for not affect community by pseudo-base station.Whether be same period equal location update abnormal and handover measurement abnormal cell, be if so, then judged to affect community by pseudo-base station, otherwise be judged to not affect community by pseudo-base station if finding out.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. locate a method for pseudo-base station, it is characterized in that,
1) acquisition magnanimity location updating signaling small area location updating is resident frequently stays cell information, is screened, find out location in position update flow and upgrade the signaling of refusal by signalling analysis;
2) occur repeatedly with the same terminal in community when the location updating rejection signaling same time period, judge to there is pseudo-base station in this cell area;
3) signal strength signal intensity received in conjunction with test position and test terminal locates pseudo-base station location.
2. a kind of method of locating pseudo-base station according to claim 1, is characterized in that, signalling analysis screening comprises the screening of location updating type sampled point, NCS measures handover information collection and data type screening.
3. a kind of method of locating pseudo-base station according to claim 2, it is characterized in that, location updating categorical data screens according to available data type, obtain out-of-the way position and upgrade community, draw in conjunction with the abnormal neighboring BS information of switching and affect community by pseudo-base station, and comprehensively analyzed by location updating (LAU) signaling and determine pseudo-base station location.
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| CN201510518194.9A CN105050092A (en) | 2015-08-21 | 2015-08-21 | Method for locating false base station |
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| CN201510518194.9A CN105050092A (en) | 2015-08-21 | 2015-08-21 | Method for locating false base station |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611535A (en) * | 2015-12-25 | 2016-05-25 | 上海创远仪器技术股份有限公司 | Positioning device and positioning method for pseudo base-station |
| CN105873068A (en) * | 2016-06-17 | 2016-08-17 | 珠海市魅族科技有限公司 | Pseudo base station identification method and device |
| CN106454846A (en) * | 2016-10-31 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for positioning pseudo base station |
| CN106912052A (en) * | 2015-12-23 | 2017-06-30 | 大唐半导体设计有限公司 | A kind of method and device, terminal for positioning pseudo-base station |
| CN108012271A (en) * | 2016-10-28 | 2018-05-08 | 中国移动通信有限公司研究院 | A kind of pseudo-base station finds method and device |
| CN108293259A (en) * | 2015-12-28 | 2018-07-17 | 华为技术有限公司 | A kind of processing of NAS message, cell list update method and equipment |
| WO2019134589A1 (en) * | 2018-01-04 | 2019-07-11 | 中兴通讯股份有限公司 | Pseudo base station positioning method, terminal, and computer-readable storage medium |
| CN112514435A (en) * | 2018-07-27 | 2021-03-16 | 华为技术有限公司 | Pseudo base station identification method and device |
| CN113038476A (en) * | 2016-05-23 | 2021-06-25 | 联发科技（新加坡）私人有限公司 | Pseudo base station cell identification method and device |
| CN114205820A (en) * | 2020-08-31 | 2022-03-18 | 中国移动通信集团浙江有限公司 | Method, device and computer equipment for detecting suspicious user carrying pseudo base station |
| CN114759993A (en) * | 2022-03-07 | 2022-07-15 | 广西英伦信息技术股份有限公司 | Detection positioning device for quickly searching 5G signal interference source and positioning method thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106912052A (en) * | 2015-12-23 | 2017-06-30 | 大唐半导体设计有限公司 | A kind of method and device, terminal for positioning pseudo-base station |
| CN105611535B (en) * | 2015-12-25 | 2019-05-07 | 上海创远仪器技术股份有限公司 | Pseudo-base station positioning device and localization method |
| CN105611535A (en) * | 2015-12-25 | 2016-05-25 | 上海创远仪器技术股份有限公司 | Positioning device and positioning method for pseudo base-station |
| CN108293259B (en) * | 2015-12-28 | 2021-02-12 | 华为技术有限公司 | NAS message processing and cell list updating method and equipment |
| CN108293259A (en) * | 2015-12-28 | 2018-07-17 | 华为技术有限公司 | A kind of processing of NAS message, cell list update method and equipment |
| CN113038476A (en) * | 2016-05-23 | 2021-06-25 | 联发科技（新加坡）私人有限公司 | Pseudo base station cell identification method and device |
| CN105873068A (en) * | 2016-06-17 | 2016-08-17 | 珠海市魅族科技有限公司 | Pseudo base station identification method and device |
| CN105873068B (en) * | 2016-06-17 | 2020-02-11 | 珠海市魅族科技有限公司 | Method and device for identifying pseudo base station |
| CN108012271A (en) * | 2016-10-28 | 2018-05-08 | 中国移动通信有限公司研究院 | A kind of pseudo-base station finds method and device |
| CN108012271B (en) * | 2016-10-28 | 2020-09-25 | 中国移动通信有限公司研究院 | Pseudo base station discovery method and device |
| CN106454846A (en) * | 2016-10-31 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for positioning pseudo base station |
| CN110012435A (en) * | 2018-01-04 | 2019-07-12 | 中兴通讯股份有限公司 | Pseudo-base station localization method, terminal and computer readable storage medium |
| CN110012435B (en) * | 2018-01-04 | 2021-06-25 | 中兴通讯股份有限公司 | Pseudo base station positioning method, terminal and computer readable storage medium |
| WO2019134589A1 (en) * | 2018-01-04 | 2019-07-11 | 中兴通讯股份有限公司 | Pseudo base station positioning method, terminal, and computer-readable storage medium |
| CN112514435A (en) * | 2018-07-27 | 2021-03-16 | 华为技术有限公司 | Pseudo base station identification method and device |
| CN112514435B (en) * | 2018-07-27 | 2022-04-22 | 华为技术有限公司 | Pseudo base station identification method and device |
| CN114205820A (en) * | 2020-08-31 | 2022-03-18 | 中国移动通信集团浙江有限公司 | Method, device and computer equipment for detecting suspicious user carrying pseudo base station |
| CN114205820B (en) * | 2020-08-31 | 2023-08-15 | 中国移动通信集团浙江有限公司 | Suspicious user detection method, suspicious user detection device and suspicious user detection computer equipment carrying pseudo base station |
| CN114759993A (en) * | 2022-03-07 | 2022-07-15 | 广西英伦信息技术股份有限公司 | Detection positioning device for quickly searching 5G signal interference source and positioning method thereof |
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