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WO2017161655A1 - Procédé de filtrage de fausses stations de base, dispositif, et support de stockage accessible par ordinateur - Google Patents

Procédé de filtrage de fausses stations de base, dispositif, et support de stockage accessible par ordinateur Download PDF

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Publication number
WO2017161655A1
WO2017161655A1 PCT/CN2016/082407 CN2016082407W WO2017161655A1 WO 2017161655 A1 WO2017161655 A1 WO 2017161655A1 CN 2016082407 W CN2016082407 W CN 2016082407W WO 2017161655 A1 WO2017161655 A1 WO 2017161655A1
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WIPO (PCT)
Prior art keywords
cell
information
base station
neighbor
pseudo base
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Ceased
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PCT/CN2016/082407
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English (en)
Chinese (zh)
Inventor
程刚
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ZTE Corp
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ZTE Corp
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Publication of WO2017161655A1 publication Critical patent/WO2017161655A1/fr
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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
    • H04W12/121—Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
    • H04W12/122—Counter-measures against attacks; Protection against rogue devices
    • 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

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method, an apparatus, and a computer readable storage medium for filtering a pseudo base station.
  • the pseudo base station is based on the search for the Subscriber Identity Module (SIM) card information of the mobile terminal within a certain radius, and disguised as the carrier base station.
  • SIM Subscriber Identity Module
  • the obtained mobile terminal forcibly sends a message such as fraud, advertisement promotion, etc.; for example, in a region with a large number of people such as shopping malls, railway stations, etc., sends fraud messages or advertisements to mobile terminals within a certain range in various names;
  • the user's mobile terminal is forcibly connected to the device and cannot connect to the carrier network normally. Generally, it is temporarily disconnected for 8 to 12 seconds, so that the user cannot obtain the service normally. Even some mobile terminals need to be powered on and off again to re-access.
  • the pseudo base station may also cause the user's mobile terminal to frequently update the location, so that the wireless network resources in the area are tight and the network congestion occurs, which seriously affects the normal communication of the user.
  • the method for identifying a pseudo base station includes: monitoring a handover event of a base station that communicates with the mobile terminal; and detecting, after detecting that the base station is handed over from the first base station to the second base station, detecting whether the mobile terminal receives the short message from the second base station; If it is detected that the mobile terminal receives the short message, it is determined whether the related information of the short message meets the preset rule; for the short message that meets the preset rule, the call forwarding of the short message center number corresponding to the short message is queried on the operating system of the mobile terminal.
  • the existing intelligent short message interception rule and the call transfer status are premised on the handover event of the base station and the short message reception within the preset time
  • the query is combined, but the implementation of this method is more complicated, and multiple processes need to be compared to confirm the pseudo base station, which reduces the work efficiency.
  • embodiments of the present invention are directed to a method, an apparatus, and a computer readable storage medium for filtering a pseudo base station, to efficiently and quickly identify a pseudo base station, and improve work efficiency.
  • the present invention provides a method for filtering a pseudo base station, the method comprising:
  • the access to the second cell is blocked, and when the second cell is a cell covered by the non-pseudo base station, access to the second cell is allowed.
  • the second cell is determined according to the second cell information and the neighbor cell information.
  • the method further includes:
  • the neighbor cell information includes the cell identity code Cell of the neighbor cell At least one of ID information, absolute radio channel number ARFCN information.
  • the determining, by the second cell information and the neighboring cell information, whether the second cell is a cell covered by a pseudo base station includes:
  • the second cell information does not match the cell information that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the pseudo base station;
  • the second cell information matches the information of the cell that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the non-pseudo base station.
  • the obtaining, by the first cell, the neighbor cell information that is sent by the first cell includes:
  • the system broadcast message is a system information block 2SIB2 message, a system information block 5SIB5 message, when the first cell is a global mobile communication system GSM strong data rate GSM evolution technology EDGE radio access network GERAN cell;
  • the system broadcast message is a system information block 19SIB19 message
  • the system broadcast message is a system information block 7SIB7 message
  • the system broadcast message is a system message block 3SIB3 message
  • the SIB3 message includes cell indication and downlink frequency point information of the GSM cell.
  • the second cell is determined according to the second cell information and the neighbor cell information.
  • the method further includes:
  • the present invention also provides an apparatus for filtering a pseudo base station, the apparatus comprising:
  • An acquiring module configured to acquire neighbor cell information sent by the first cell when performing the first cell registration
  • a determining module configured to determine, according to the second cell information and the neighbor cell information, whether the second cell is a cell covered by a pseudo base station;
  • a processing module configured to determine the second according to the second cell information and the neighbor cell information Whether the cell is a cell covered by a pseudo base station.
  • the device further includes:
  • a conversion module configured to convert the neighbor cell information into an index list of neighbor cell information, and store the index list of the neighbor cell information in a storage unit, where the neighbor cell information includes the neighbor cell At least one of a cell identification code Cell-ID information and an absolute radio channel number ARFCN information.
  • the determining module is specifically configured to determine whether the second cell information matches the cell information existing in the index list of the neighbor cell information
  • the second cell information does not match the cell information that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the pseudo base station;
  • the second cell information matches the information of the cell that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the non-pseudo base station.
  • the acquiring module is specifically configured to: acquire, when the first cell is registered, the neighbor cell information that is sent by the first cell by using a system broadcast message;
  • the system broadcast message is a system information block 2SIB2 message, a system information block 5SIB5 message, when the first cell is a global mobile communication system GSM strong data rate GSM evolution technology EDGE radio access network GERAN cell;
  • the system broadcast message is a system information block 19SIB19 message
  • the system broadcast message is a system information block 7SIB7 message
  • the system broadcast message is a system message block 3SIB3 message
  • the SIB3 message includes cell indication and downlink frequency point information of the GSM cell.
  • the acquiring module is further configured to detect that the condition of the access cell is met
  • the second cell information is obtained when the second cell signal is used.
  • the embodiment of the present invention may further provide a computer readable storage medium, the storage medium comprising a set of instructions, when executed, causing at least one processor to perform operations including:
  • the access to the second cell is blocked, and when the second cell is a cell covered by the non-pseudo base station, access to the second cell is allowed.
  • the device for filtering the pseudo base station obtains the neighbor cell information delivered by the first cell when performing the first cell registration;
  • the cell information and the neighboring cell information determine whether the second cell is a cell covered by the pseudo base station; when the second cell is a cell covered by the pseudo base station, blocking access to the second cell, where When the second cell is a cell covered by the non-pseudo base station, the cell is allowed to access the second cell.
  • the method provided by the embodiment of the present invention filters the information of the serving cell that is not provided by the telecommunication operator, and prevents the user device from accessing the pseudo base station.
  • the multi-process comparison is not required to confirm the pseudo base station, the pseudo base station can be identified quickly and efficiently, and the working efficiency is improved; in addition, the location update frequency of the user device can be saved, and network resources are saved.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for filtering a pseudo base station according to the present invention
  • Embodiment 2 is a flowchart of Embodiment 2 of a method for filtering a pseudo base station according to the present invention
  • FIG. 3 is a specific scenario diagram of Embodiment 2 of a method for filtering a pseudo base station according to the present invention
  • FIG. 4 is a schematic structural diagram of an apparatus for filtering a pseudo base station according to the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal embodiment of filtering a pseudo base station according to the present invention.
  • the method and apparatus for filtering a pseudo base station may be applied to, but not limited to, current current second generation mobile communication technology (2G), and/or third generation mobile communication technology (3G), and/or fourth generation mobile communication.
  • the device for filtering the pseudo base station may be a terminal or mobile terminal supporting 2G, and/or 3G, and/or 4G, wherein the device for filtering the pseudo base station may include, for example, a mobile phone, a smart phone, Mobile terminal for notebook computer, digital broadcast receiver, personal digital assistant (PDA), tablet computer (PAD), portable multimedia player (PMP), navigation device, etc., and fixed terminal such as digital TV, desktop computer, etc.; terminal If you have an operating system, the operating system can be UNIX, Linux, Windows, Mac OS X, Android, Windows Phone, and so on.
  • FIG. 1 is a flowchart of Embodiment 1 of a method for filtering a pseudo base station according to the present invention. As shown in FIG. 1 , a method for filtering a pseudo base station according to an embodiment of the present invention may include the following steps:
  • Step 101 Acquire neighbor cell information sent by the first cell when performing the first cell registration.
  • the device that filters the pseudo base station acquires at least one neighbor cell information that is sent by the first cell, and saves the at least one neighbor cell information to the storage unit, where the first cell is a filtering pseudo
  • the service cell provided by the telecommunication operator that the device of the base station accesses for the first time after the switch is turned on; when the telecommunication operator deploys the network, the telecom operator performs the comprehensive evaluation according to the traffic volume, the cell coverage and the bearer capability of the current region, that is, for a certain one
  • the neighboring cell information of the neighboring cell is identifiable. Therefore, in the cell covered by each base station, the base station can send neighboring cell information of its neighbor.
  • Step 102 Determine, according to the second cell information and the neighbor cell information, whether the second cell is a cell covered by a pseudo base station.
  • the second cell information is obtained, and then the second cell is determined according to the second cell information and the acquired neighbor cell information. Whether it is a cell covered by the pseudo base station; wherein the second cell is a cell that filters the pseudo base station and detects other cells that meet the access condition; the access condition is a condition that the mobile terminal normally accesses the cell, and belongs to the prior art. I will not repeat them here.
  • Step 103 When the second cell is a cell covered by the pseudo base station, block access to the second cell, and when the second cell is a cell covered by the non-pseudo base station, allow access to the second cell. .
  • the apparatus for filtering the pseudo base station determines whether the second cell is a cell covered by the pseudo base station, and determines whether the second cell needs to be accessed. Specifically, when the second cell is a cell covered by the pseudo base station, The device filtering the pseudo base station blocks access to the second cell, and when the second cell is a cell covered by the non-pseudo base station, the device filtering the pseudo base station allows access to the second cell.
  • the device for filtering the pseudo base station obtains the neighbor cell information that is sent by the first cell when the first cell is registered, and the neighbor cell information according to the second cell information. Determining whether the second cell is a cell covered by the pseudo base station; when the second cell is a cell covered by the pseudo base station, blocking access to the second cell, and the second cell is a non-pseudo base station covering The cell is allowed to access the second cell.
  • the method provided by the embodiment of the present invention filters out the service cell information that is not provided by the telecommunication operator, and prevents the user device from accessing the pseudo base station, and does not need multiple processes to perform comparison. In order to confirm the pseudo base station, the pseudo base station can be identified quickly and efficiently, and the work efficiency is improved. In addition, the location update frequency of the user device can be saved, and network resources are saved.
  • FIG. 2 is a flowchart of Embodiment 2 of a method for filtering a pseudo base station according to the present invention. As shown in FIG. 2, the method for filtering a pseudo base station according to an embodiment of the present invention may include the following steps:
  • Step 201 Obtain the first cell through the system broadcast cancellation when performing the first cell registration Information about neighboring cells sent by interest.
  • the device for filtering the pseudo base station is used as the mobile terminal for example; the mobile terminal acquires the neighbor cell information that is sent by the first cell through the system broadcast message when the first cell is registered;
  • a cell is a serving cell provided by a telecommunication operator that the mobile terminal accesses for the first time after the switch is turned on; when the telecommunication operator deploys the network, the telecom operator performs a comprehensive evaluation according to the current traffic volume, cell coverage, and carrying capacity, that is, In a certain cell, the neighboring cell information of the neighboring cell is identifiable. Therefore, in the cell covered by each base station, the base station can send neighboring cell information of the neighboring cell through the system broadcast message.
  • the first cell may be a Global System for Mobile Communication (GSM) Enhanced Data Rate for GSM Evolution (EDGE) GSM Radio Access Network (GERAN) cell , Universal Terrestrial Radio Access Network (UTRAN) cell, Evolved Universal Terrestrial Radio Access Network (EUTRAN) cell, Global System for Mobile Communication (GSM)
  • the cell broadcast message may be a System Information Block 2 (SIB2) message, a System Information Block 5 (SIB5) message, and a System Information Block 19 (SIB19) message.
  • SIB7 System Information block 7
  • SIB3 System Information Block 3
  • the system broadcast message is an SIB2 message, an SIB5 message; when the first cell is a UTRAN cell, the system broadcast message is an SIB19 message; when the first cell is an EUTRAN cell
  • the system broadcast message is an SIB7 message; when the first cell is a GSM cell, the system broadcast message is an SIB3 message, and the SIB3 message includes a cell identifier, downlink frequency point information, and the like of the GSM cell.
  • the neighbor cell information includes at least one of a cell identity code Cell-ID information and an Absolute Radio Frequency Channel Number (ARFCN) information of the cell.
  • a cell identity code Cell-ID information includes at least one of a cell identity code Cell-ID information and an Absolute Radio Frequency Channel Number (ARFCN) information of the cell.
  • ARFCN Absolute Radio Frequency Channel Number
  • Step 202 Convert the neighbor cell information into an index list of neighbor cell information, and store the index list of the neighbor cell information in a storage unit.
  • the mobile terminal converts the neighbor cell information acquired in step 201 into an index list of the neighbor cell information, and stores the index list of the neighbor cell information in the storage unit; wherein the index list of the neighbor cell information may be in a table, a list, or the like. Other formats are saved and are not limited here.
  • Step 203 Acquire the second cell information when detecting a second cell signal that meets the condition of the access cell.
  • the mobile terminal After detecting the second cell signal that meets the access condition, the mobile terminal acquires the second cell information, where the second cell is that the mobile terminal detects another cell that meets the access condition, and the second small may be The at least one of the GERAN cell, the UTRAN cell, the EUTRAN cell, the GSM cell, and the like; the access condition is a condition that the mobile terminal normally accesses the cell, and belongs to the prior art, and details are not described herein.
  • Step 204 Determine whether the second cell information matches cell information existing in an index list of the neighbor cell information.
  • the mobile terminal determines whether the acquired second cell information matches the cell information existing in the index list of the stored neighbor cell information, and if the second cell information does not match the cell information existing in the index list of the neighbor cell information, If the second cell information is not included in the index list of the neighbor cell information, step 205 is performed; if the second cell information matches the information of the cell existing in the index list of the neighbor cell information, that is, the index list of the neighbor cell information is stored. If the second cell information is available, step 206 is performed.
  • Step 205 Determine that the second cell is a cell covered by a pseudo base station.
  • the mobile terminal determines that the second cell is a cell covered by the pseudo base station.
  • Step 206 Determine that the second cell is a cell covered by a non-pseudo base station.
  • the mobile terminal determines that the second cell is a cell covered by the non-pseudo base station, that is, a normal cell.
  • Step 207 When the second cell is a cell covered by the pseudo base station, block access to the second cell, and when the second cell is a cell covered by the non-pseudo base station, allow access to the second cell. .
  • the mobile terminal After the mobile terminal determines whether the second cell is a cell covered by the pseudo base station, it can determine whether the second cell needs to be accessed. Specifically, when the second cell is a cell covered by the pseudo base station, the mobile terminal is blocked. The second cell is disconnected, and when the second cell is a cell covered by the non-pseudo base station, the mobile terminal allows access to the second cell.
  • FIG. 3 is a specific scenario diagram of Embodiment 2 of a method for filtering a pseudo base station according to the present invention.
  • a cell B is a first cell
  • a mobile terminal obtains a cell B to a mobile terminal when performing cell B registration.
  • the system message broadcasts the synchronized neighbor cell information, where the neighbor cell information includes the cell A, the cell C, and the cell D message; the mobile terminal converts the cell A, the cell C, and the cell D message into an index list of the neighbor cell information and saves the information in the storage unit.
  • the mobile terminal detects that there is a cell E that meets the access condition (the second cell is a GSM cell), the GSM cell information that is sent by the GSM cell through the SIB3 message is obtained.
  • the mobile terminal according to the GSM Whether the cell information and the cell A, cell C, and cell D information existing in the index list of the acquired neighbor cell information are matched, because the GSM cell information cannot match the upper cell A, the cell C, and the cell D information, so the mobile terminal It is determined that the cell E is a pseudo base station cell, and access to the cell E is blocked.
  • the mobile terminal acquires neighbor cell information that is sent by the first cell by using a system broadcast message when performing the first cell registration, and converts the neighbor cell information into a neighboring cell.
  • An index list of the information, and storing the index list of the neighbor cell information in the storage unit acquiring the second cell information when detecting the second cell signal that meets the access cell condition; and determining the second cell information Whether it is matched with the cell information existing in the index list of the neighbor cell information; if the second cell information does not match the cell information existing in the index list of the neighbor cell information, determining that the second cell is a pseudo base station coverage Community, If the second cell information matches the information of the cell existing in the index list of the neighbor cell information, determining that the second cell is a cell covered by the non-pseudo base station; and when the second cell is a cell covered by the pseudo base station The access to the second cell is blocked, and the second cell is allowed to access the second cell when the second cell
  • the information of the serving cell is filtered out, the mobile terminal is prevented from accessing the pseudo base station, and multiple processes are not required for comparison to confirm the pseudo base station, and the pseudo base station can be quickly and efficiently identified, the security is enhanced, and the working efficiency is improved; It can also save the location update frequency of the mobile terminal and save network resources.
  • the apparatus 04 for filtering a pseudo base station according to an embodiment of the present invention includes: an obtaining module 41, a determining module 42, and a processing module 43;
  • the obtaining module 41 is configured to acquire neighbor cell information sent by the first cell when performing the first cell registration;
  • the determining module 42 is configured to determine, according to the second cell information and the neighbor cell information, whether the second cell is a cell covered by a pseudo base station;
  • the processing module 43 is configured to determine, according to the second cell information and the neighbor cell information, whether the second cell is a cell covered by a pseudo base station.
  • the device further includes: a conversion module 44; wherein
  • the conversion module 44 is configured to convert the neighbor cell information into an index list of neighbor cell information, and store the index list of the neighbor cell information in a storage unit, where the neighbor cell information includes the At least one of a cell identification code Cell-ID information and an absolute radio channel number ARFCN information of the neighboring cell.
  • the determining module 42 is specifically configured to determine whether the second cell information matches the cell information existing in the index list of the neighbor cell information,
  • the second cell information matches the information of the cell that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the non-pseudo base station.
  • the obtaining module 41 is specifically configured to: acquire, when the first cell is registered, the neighbor cell information that is sent by the first cell by using a system broadcast message;
  • the system broadcast message is a system information block 2SIB2 message, a system information block 5SIB5 message, when the first cell is a global mobile communication system GSM strong data rate GSM evolution technology EDGE radio access network GERAN cell;
  • the system broadcast message is a system information block 19SIB19 message
  • the system broadcast message is a system information block 7SIB7 message
  • the system broadcast message is a system message block 3SIB3 message
  • the SIB3 message includes cell indication and downlink frequency point information of the GSM cell.
  • the acquiring module 41 is further configured to acquire the second cell information when detecting a second cell signal that meets an access cell condition.
  • the device in this embodiment may be used to implement the technical solution of the foregoing method embodiment, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • the obtaining module 41, the determining module 42, the processing module 43, and the converting module 44 may each be a central processing unit (CPU) or a microprocessor (Micro Processor Unit) located in a device that filters the pseudo base station. , MPU), digital signal processor (DSP) or Field Programmable Gate Array (FPGA) implementation.
  • CPU central processing unit
  • MPU microprocessor
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • FIG. 5 is a schematic structural diagram of a terminal embodiment of filtering a pseudo base station according to the present invention, as shown in FIG.
  • the terminal 05 for filtering the pseudo base station provided by the embodiment of the present invention includes an interface 51, a bus 52, a memory 53, and a processor 54, the interface 51, the memory 53 and the processor 54 are connected by a bus 52, and the memory 53 is used for storing instructions.
  • the processor 54 reads the instruction for:
  • the access to the second cell is blocked, and when the second cell is a cell covered by the non-pseudo base station, access to the second cell is allowed.
  • processor reads the instruction and is further used to:
  • the neighbor cell information includes the cell identity code Cell of the neighbor cell At least one of ID information, absolute radio channel number ARFCN information.
  • processor reads the instruction specifically for:
  • the second cell information does not match the cell information that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the pseudo base station;
  • the second cell information matches the information of the cell that exists in the index list of the neighbor cell information, determining that the second cell is a cell covered by the non-pseudo base station.
  • processor reads the instruction specifically for:
  • the system broadcast message is a system letter Block 2SIB2 message, system information block 5SIB5 message;
  • the system broadcast message is a system information block 19SIB19 message
  • the system broadcast message is a system information block 7SIB7 message
  • the system broadcast message is a system message block 3SIB3 message
  • the SIB3 message includes cell indication and downlink frequency point information of the GSM cell.
  • processor reads the instruction and is further used to:
  • the terminal in this embodiment may be used to implement the technical solution of the foregoing method embodiment, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the embodiment of the present invention may further provide a computer readable storage medium, where the storage medium includes a set of instructions that, when executed, cause at least one processor to perform operations including:
  • the access to the second cell is blocked, and when the second cell is a cell covered by the non-pseudo base station, access to the second cell is allowed.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • the embodiment of the invention discloses a method and a device for filtering a pseudo base station, and a computer readable storage medium.
  • the method includes: the device for filtering the pseudo base station obtains the delivery of the first cell by performing the first cell registration. Neighboring cell information; determining, according to the second cell information and the neighboring cell information, whether the second cell is a cell covered by a pseudo base station; performing subsequent steps based on the judgment result Reason.
  • the method provided by the embodiment of the present invention filters out the service cell information that is not provided by the telecommunication operator, and prevents the user equipment from accessing the pseudo base station, and does not need to perform multiple comparisons to confirm the pseudo base station, and can identify the pseudo base station efficiently and quickly.
  • the pseudo base station improves work efficiency; in addition, the location update frequency of the user device can be saved, and network resources are saved.

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

Abstract

La présente invention concerne, dans u de ses modes de réalisation, un procédé de filtrage de fausses stations de base, comportant les étapes consistant à: acquérir, lors de l'enregistrement d'une première cellule, des informations de cellules voisines émanant de la première cellule; déterminer, d'après des informations de deuxième cellule et les informations de cellules voisines, si la deuxième cellule est couverte par une fausse station de base; si la deuxième cellule est couverte par la fausse station de base, bloquer l'accès à la deuxième cellule; et si la deuxième cellule n'est pas couverte par la fausse station de base, autoriser l'accès à la deuxième cellule. Un mode de réalisation de la présente invention concerne en outre un dispositif et un support de stockage accessible par ordinateur pour filtrer une fausse station de base.
PCT/CN2016/082407 2016-03-21 2016-05-17 Procédé de filtrage de fausses stations de base, dispositif, et support de stockage accessible par ordinateur Ceased WO2017161655A1 (fr)

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CN107864491A (zh) * 2017-10-25 2018-03-30 广东欧珀移动通信有限公司 Gsm模式下的锁频方法、终端和计算机可读存储介质
CN119676708A (zh) * 2024-12-06 2025-03-21 福建新大陆支付技术有限公司 一种基于pos终端的ai识别伪基站方法

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