CN112994834A - Method for shielding mobile signal, 5G repeater, server and storage medium - Google Patents
Method for shielding mobile signal, 5G repeater, server and storage medium Download PDFInfo
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- CN112994834A CN112994834A CN202110170151.1A CN202110170151A CN112994834A CN 112994834 A CN112994834 A CN 112994834A CN 202110170151 A CN202110170151 A CN 202110170151A CN 112994834 A CN112994834 A CN 112994834A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/84—Jamming or countermeasure characterized by its function related to preventing electromagnetic interference in petrol station, hospital, plane or cinema
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/25—Countermeasures against jamming based on characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention discloses a method for shielding mobile signals, a 5G repeater, a server and a storage medium, wherein the method comprises an outdoor transceiver, an indoor transceiver and a baseband processing chip, the baseband processing chip can scan indoor 2G/3G/4G/5G downlink signals, extract indoor current 2G/3G/4G/5G cell information, record 2G/3G/4G/5G pilot frequency points and transmit interference signals at the 2G/3G/4G/5G pilot frequency points, and the method can realize the enhancement amplification of the mobile signals and the free switching of the shielding of the mobile signals according to the requirements of users.
Description
Technical Field
The invention belongs to the field of mobile communication, and particularly relates to a method for shielding a mobile signal, a 5G repeater, a server and a storage medium.
Background
With the advent of 5G business, operators are constantly optimizing mobile communication network quality and expanding mobile signal coverage to meet the increasing mobile communication demands. But in indoor relatively closed environment, the 4G/5G signal coverage is weaker, and a mobile signal coverage blind area is formed. An operator comprehensively considers factors such as cost performance and the like aiming at the mobile communication signal coverage scene, and generally adopts a scheme of directly amplifying a mobile signal by a repeater. However, in some places such as a school classroom or a conference room, etc., both a mobile signal amplification function and a compatible mobile signal shielding function are required. These sites only need a signal amplification function for most of the time, but at special moments such as examinations or commercial activities, these sites must shield mobile communication signals to prevent disclosure. However, the repeater only provides a mobile signal amplification function at present, and mobile signal shielding cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects and provides a method for shielding a mobile signal, a 5G repeater, a server and a storage medium.
In order to achieve the above object, a method of masking a moving signal includes the steps of:
s1, starting the mobile signal shielding;
s2, turning off the outdoor transceiver and restarting the indoor transceiver;
s3, scanning indoor 5G signals, extracting information of all current 5G cells, and recording all 5G pilot frequency points;
scanning indoor 4G signals, extracting information of all current 4G cells, and recording all 4G pilot frequency points;
scanning indoor 3G signals, extracting information of all current 3G cells, and recording all 3G pilot frequency points;
scanning indoor 2G signals, extracting information of all current 2G cells, and recording all 2G pilot frequency points;
s4, summarizing all 5G cell information, 4G cell information, 3G cell information, 2G cell information, 5G pilot frequency points, 4G pilot frequency points, 3G pilot frequency points and 2G pilot frequency points;
and S5, sending interference signals at the 5G pilot frequency point, the 4G pilot frequency point, the 3G pilot frequency point and the 2G pilot frequency point, and completing shielding opening.
In S5, the interference signal passes through a power amplifier to form a pilot interference signal with adjustable output power.
A5G repeater for shielding mobile signals comprises an indoor unit, an outdoor unit and a baseband processing chip;
the outdoor unit comprises an outdoor transceiver, the outdoor transceiver is connected with the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM, the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM are all connected with a combiner, and the combiner is connected with an outdoor antenna;
the indoor unit comprises an indoor transceiver, the indoor transceiver is connected with the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM, and the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM are connected with corresponding indoor antennas;
the baseband processing chip is connected with the outdoor transceiver and the indoor transceiver;
the baseband processing chip is used for scanning indoor 2G/3G/4G/5G downlink signals, extracting indoor current 2G/3G/4G/5G cell information, recording a 2G/3G/4G/5G pilot frequency point and transmitting interference signals at the 2G/3G/4G/5G pilot frequency point.
Filters for filtering other signals are arranged in the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM of the outdoor transceiver.
Power amplifiers are arranged in the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM of the indoor transceiver.
A server, comprising: the processor, the memory and the communication interface complete mutual communication through the communication bus; the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the corresponding operation of the method for shielding the moving signal.
A computer storage medium stores at least one executable instruction, and the executable instruction enables a processor to execute corresponding operation of the method for shielding the movement signal.
Compared with the prior art, the method can close the outdoor transceiver when in use, collect all the 5G cell information, 4G cell information, 3G cell information and 2G cell information as well as the 5G pilot frequency point, the 4G pilot frequency point, the 3G pilot frequency point and the 2G pilot frequency point, send interference signals at the 5G pilot frequency point, the 4G pilot frequency point, the 3G pilot frequency point and the 2G pilot frequency point, and complete the shielding of the mobile signals.
The 5G repeater comprises an outdoor transceiver, an indoor transceiver and a baseband processing chip, wherein the baseband processing chip can scan indoor 2G/3G/4G/5G downlink signals, extract indoor current 2G/3G/4G/5G cell information, record 2G/3G/4G/5G pilot frequency points and transmit interference signals at the 2G/3G/4G/5G pilot frequency points.
Drawings
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a flow chart of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the present invention includes an outdoor hardware part, an indoor hardware part, and a Baseband processing chip (BB: Baseband). The outdoor hardware part mainly comprises a combiner, a 5G radio frequency FEM, a 4G radio frequency FEM, a 3G radio frequency FEM, a 2G radio frequency FEM and an outdoor transceiving unit. The indoor hardware part mainly comprises a 5G radio frequency FEM, a 4G radio frequency FEM, a 3G radio frequency FEM, a 2G radio frequency FEM and an indoor transceiving unit. The 5G radio frequency FEM comprises a 5G Power Amplifier (PA), a 5G receiving filter and the like. The 4G radio frequency FEM comprises a 4G Power Amplifier (PA), a 4G receiving filter and the like. The 3G radio frequency FEM comprises a 3G Power Amplifier (PA), a 3G receiving filter and the like. The 2G radio frequency FEM comprises a 2G Power Amplifier (PA), a 2G receiving filter and the like.
The outdoor antenna is placed in an outdoor open environment to receive signals of the outdoor base station, and the distance between the outdoor antenna and the indoor antenna is required to be increased to prevent the signals from self-excitation. Taking 5G signal amplification as an example, an outdoor 5G signal enters a 5G filter in a 5G FEM after passing through a combiner, and a non-5G signal is filtered; 5G signals enter an outdoor transceiver; the outdoor transceiver converts the 5G radio frequency signal into a digital signal and transmits the digital signal to the baseband chip; the baseband chip retransmits the outdoor digital signal to the indoor transceiver; the indoor transceiver converts the digital signals into 5G radio frequency signals, and the 5G radio frequency signals are transmitted to the indoor environment through the indoor 5G FEM power amplifier to complete indoor signal coverage. The 2G/3G/4G signal enhanced amplification mode is consistent with the 5G signal enhanced amplification mode.
Referring to fig. 2, the working method of the present invention comprises the following steps:
step 1: manually opening the mobile signal shielding function through the mobile phone APP, and displaying that the mobile signal shielding function is opened on the screen of the equipment;
step 2: the device automatically turns off the mobile signal amplification function, firstly turns off the outdoor transceiver, turns off all circuits of the outdoor hardware part, then restarts the indoor transceiver, and BB enters a mobile signal interference mode;
and step 3: BB controls an indoor transceiver to scan indoor 5G downlink signals, BB extracts indoor current all 5G cell information, and records all 5G pilot frequency points;
and 4, step 4: the BB controls an indoor transceiver to scan indoor 4G downlink signals, extracts indoor current all 4G cell information, and records all 4G pilot frequency points;
and 5: BB controls an indoor transceiver to scan indoor 3G downlink signals, BB extracts indoor current all 3G cell information, and records all 3G pilot frequency points;
step 6: BB controls an indoor transceiver to scan indoor 2G downlink signals, BB extracts indoor current all 2G cell information, and records all 2G pilot frequency points;
and 7: the BB collects all indoor 2G/3G/4G/5G cell information and pilot frequency points, and uploads the collected information to a mobile phone APP in a Bluetooth mode and other modes;
and 8: BB configures an indoor transceiver, transmits interference signals at a 2G/3G/4G/5G pilot frequency point, and amplifies the interference signals through PA to form pilot frequency interference signals with adjustable output power;
and step 9: the mobile phone APP closes the mobile signal shielding function, and the screen of the device displays that the mobile signal shielding function is closed;
step 10: the device resumes signal amplification functions.
A server, comprising: the processor, the memory and the communication interface complete mutual communication through the communication bus; the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the corresponding operation of the method for shielding the moving signal.
A computer storage medium stores at least one executable instruction, and the executable instruction enables a processor to execute corresponding operation of the method for shielding the movement signal.
Claims (7)
1. A method of masking a moving signal, comprising the steps of:
s1, starting the mobile signal shielding;
s2, turning off the outdoor transceiver and restarting the indoor transceiver;
s3, scanning indoor 5G signals, extracting information of all current 5G cells, and recording all 5G pilot frequency points;
scanning indoor 4G signals, extracting information of all current 4G cells, and recording all 4G pilot frequency points;
scanning indoor 3G signals, extracting information of all current 3G cells, and recording all 3G pilot frequency points;
scanning indoor 2G signals, extracting information of all current 2G cells, and recording all 2G pilot frequency points;
s4, summarizing all 5G cell information, 4G cell information, 3G cell information, 2G cell information, 5G pilot frequency points, 4G pilot frequency points, 3G pilot frequency points and 2G pilot frequency points;
and S5, sending interference signals at the 5G pilot frequency point, the 4G pilot frequency point, the 3G pilot frequency point and the 2G pilot frequency point, and completing shielding opening.
2. The method of claim 1, wherein the pilot interference signal with adjustable output power is formed after the interference signal passes through a power amplifier in S5.
3. A5G repeater for shielding mobile signals is characterized by comprising an indoor unit, an outdoor unit and a baseband processing chip;
the outdoor unit comprises an outdoor transceiver, the outdoor transceiver is connected with the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM, the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM are all connected with a combiner, and the combiner is connected with an outdoor antenna;
the indoor unit comprises an indoor transceiver, the indoor transceiver is connected with the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM, and the 5G radio frequency FEM, the 4G radio frequency FEM, the 3G radio frequency FEM and the 2G radio frequency FEM are connected with corresponding indoor antennas;
the baseband processing chip is connected with the outdoor transceiver and the indoor transceiver;
the baseband processing chip is used for scanning indoor 2G/3G/4G/5G downlink signals, extracting indoor current 2G/3G/4G/5G cell information, recording a 2G/3G/4G/5G pilot frequency point and transmitting interference signals at the 2G/3G/4G/5G pilot frequency point.
4. The 5G repeater according to claim 3, wherein the outdoor transceiver has filters for filtering other signals disposed in the 5G RF FEM, the 4G RF FEM, the 3G RF FEM and the 2G RF FEM.
5. The 5G repeater according to claim 3, wherein the indoor transceiver has power amplifiers in the 5G RF FEM, the 4G RF FEM, the 3G RF FEM and the 2G RF FEM.
6. A server, comprising: the processor, the memory and the communication interface complete mutual communication through the communication bus; the memory is used for storing at least one executable instruction, and the executable instruction causes the processor to execute the corresponding operation of the method for shielding the mobile signal according to any one of claims 1-2.
7. A computer storage medium having at least one executable instruction stored therein, the executable instruction causing a processor to perform operations corresponding to the method of implementing a masking shift signal as claimed in any one of claims 1-2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110170151.1A CN112994834B (en) | 2021-02-05 | 2021-02-05 | Method for shielding mobile signal, 5G repeater, server and storage medium |
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| CN202110170151.1A CN112994834B (en) | 2021-02-05 | 2021-02-05 | Method for shielding mobile signal, 5G repeater, server and storage medium |
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| CN112994834A true CN112994834A (en) | 2021-06-18 |
| CN112994834B CN112994834B (en) | 2023-03-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115549748A (en) * | 2022-09-22 | 2022-12-30 | 陕西天基通信科技有限责任公司 | 5G repeater device with function of automatically adjusting communication bandwidth and use method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238306Y (en) * | 2008-05-30 | 2009-05-13 | 北京创毅视讯科技有限公司 | Mobile multimedia broadcasting system overlapping deep indoor area in buildings |
| CN101516130A (en) * | 2009-03-09 | 2009-08-26 | 深圳市虹远通信有限责任公司 | WLAN trunk amplifier uplink and downlink signals switching method |
| CN103906079A (en) * | 2012-12-28 | 2014-07-02 | ***通信集团江苏有限公司 | Indoor distribution system with CATV and a variety of wireless communication modes fused and implementation method thereof |
| CN104158619A (en) * | 2014-08-07 | 2014-11-19 | 中国科学院信息工程研究所 | LTE (Long Term Evolution) signal shielding method and system based on CRS (Central Reservation System) |
| US20140364053A1 (en) * | 2011-11-29 | 2014-12-11 | Airbus Operations Gmbh | Service signal used as part of terrestrial communications masking signal on board aircraft |
| CN105049148A (en) * | 2015-05-28 | 2015-11-11 | 中国科学院信息工程研究所 | LTE (Long Term Evolution) interference method and LTE interference system based on synchronization signals |
| CN205681429U (en) * | 2016-06-12 | 2016-11-09 | 广州杰赛科技股份有限公司 | A kind of test device of repeater downgoing reflection inter-modulated signal |
| CN107171766A (en) * | 2017-07-21 | 2017-09-15 | 中国电子科技集团公司第二十九研究所 | A kind of LTE signal shielding methods and system based on system information |
| CN107835061A (en) * | 2017-09-25 | 2018-03-23 | 深圳市唐诚兴业科技有限公司 | One kind is based on pseudo-base station technology mobile phone signal interference system |
| CN108322701A (en) * | 2018-01-25 | 2018-07-24 | 上海理工大学 | Examination hall video monitoring and mobile phone signal shielding system |
-
2021
- 2021-02-05 CN CN202110170151.1A patent/CN112994834B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238306Y (en) * | 2008-05-30 | 2009-05-13 | 北京创毅视讯科技有限公司 | Mobile multimedia broadcasting system overlapping deep indoor area in buildings |
| CN101516130A (en) * | 2009-03-09 | 2009-08-26 | 深圳市虹远通信有限责任公司 | WLAN trunk amplifier uplink and downlink signals switching method |
| US20140364053A1 (en) * | 2011-11-29 | 2014-12-11 | Airbus Operations Gmbh | Service signal used as part of terrestrial communications masking signal on board aircraft |
| CN103906079A (en) * | 2012-12-28 | 2014-07-02 | ***通信集团江苏有限公司 | Indoor distribution system with CATV and a variety of wireless communication modes fused and implementation method thereof |
| CN104158619A (en) * | 2014-08-07 | 2014-11-19 | 中国科学院信息工程研究所 | LTE (Long Term Evolution) signal shielding method and system based on CRS (Central Reservation System) |
| CN105049148A (en) * | 2015-05-28 | 2015-11-11 | 中国科学院信息工程研究所 | LTE (Long Term Evolution) interference method and LTE interference system based on synchronization signals |
| CN205681429U (en) * | 2016-06-12 | 2016-11-09 | 广州杰赛科技股份有限公司 | A kind of test device of repeater downgoing reflection inter-modulated signal |
| CN107171766A (en) * | 2017-07-21 | 2017-09-15 | 中国电子科技集团公司第二十九研究所 | A kind of LTE signal shielding methods and system based on system information |
| CN107835061A (en) * | 2017-09-25 | 2018-03-23 | 深圳市唐诚兴业科技有限公司 | One kind is based on pseudo-base station technology mobile phone signal interference system |
| CN108322701A (en) * | 2018-01-25 | 2018-07-24 | 上海理工大学 | Examination hall video monitoring and mobile phone signal shielding system |
Non-Patent Citations (1)
| Title |
|---|
| 王玉芳;: "无线网络室内覆盖***的应用" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115549748A (en) * | 2022-09-22 | 2022-12-30 | 陕西天基通信科技有限责任公司 | 5G repeater device with function of automatically adjusting communication bandwidth and use method |
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| CN112994834B (en) | 2023-03-14 |
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