CN112491486A - Interference detection system of wireless communication equipment - Google Patents
Interference detection system of wireless communication equipment Download PDFInfo
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Abstract
The invention discloses an interference detection system of wireless communication equipment, which comprises a central control module, wherein a preset sample database is arranged in the central control module, the output end of a signal sampling module is connected with the input end of a signal processing module, the output end of the signal processing module is connected with a signal comparison module, the signal sampling module, the signal processing module and the signal comparison module are connected with the central control module, an anti-interference processing module, an alarm module and a time period module are arranged in the central control module, and the time period module is connected with the signal sampling module. The detection effect is better, and the defect of inaccurate detection caused by the traditional single acquisition mode is overcome.
Description
Technical Field
The invention relates to the technical field of wireless communication equipment, in particular to an interference detection system of wireless communication equipment.
Background
Wireless communication equipment such as a base station and the like often receives external interference in the operation process, and the external interference can directly cause the equipment to have problems and can also directly influence the service quality of the equipment. For example, after the base station is subjected to external interference, the base station directly causes problems such as user rate reduction and access failure. Therefore, external interference of the wireless communication device needs to be detected in time, and adaptive adjustment of the wireless communication device is performed according to the interference.
The single signal data collected by the interference detection of the existing wireless communication equipment is placed in a database for comparison and analysis to determine the type of the interference signal, so that the phenomenon of determining and dislocation of the interference signal is easy to occur, and the accuracy is reduced due to the single signal data.
Disclosure of Invention
The invention aims to provide an interference detection system of wireless communication equipment, which aims to solve the problems that the type of an interference signal is easy to cause the phenomenon of the determination dislocation of the interference signal and the accuracy and the nature are reduced due to single signal data by acquiring single signal data and placing the single signal data into a database for comparison and analysis in the interference detection of the existing wireless communication equipment in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wireless communication equipment's interference detection system, includes well accuse module, be equipped with the preset sample database in the well accuse module, the output of signal sampling module is connected with signal processing module's input, signal processing module's output and signal contrast module are connected, signal sampling module, signal processing module, signal contrast module and well accuse module are connected, be equipped with anti-interference processing module, alarm module and time quantum module in the well accuse module, the time quantum module is connected with signal sampling module, alarm module and the processing module that gathers are connected, the processing module that gathers is connected with well accuse module.
Preferably, the signal sampling module is configured to collect uplink signals transmitted by the wireless communication device at each preset time point, measure received signal levels of the signals transmitted by the wireless communication device, and transmit collected sampling data to the signal processing module for processing.
Preferably, the signal processing module is configured to process the uplink signal and the received signal level acquired by the signal sampling module, a spectrum production unit and a received signal level unit are arranged in the signal processing module, the spectrum production unit is configured to generate a time spectrogram of a preset point for the uplink signal, and the received signal level unit processes the received signal level.
Preferably, the signal comparison module is configured to perform internal comparison between the spectrogram and the received signal level and feature data in a preset sample database, and obtain a result;
the signal comparison module comprises a spectrum comparison unit and a level comparison unit, wherein the spectrum comparison unit is used for generating a time spectrogram of a preset point from a received uplink signal, comparing the time spectrogram with the spectrogram of each preset point, and judging the occurrence of an interference signal according to whether sudden change occurs, and the level comparison unit is used for comparing and analyzing the detected level of the received signal with the preset value.
Preferably, the preset sample database is used for storing characteristic parameters of various interference signals, the summarizing processing module is used for comparing processing results obtained from the signal comparison module, the alarm module is started when the results are consistent, and the signal sampling module is started to perform signal acquisition processing again when the results are inconsistent.
Preferably, the time period module is configured to set a time point for acquiring an uplink signal transmitted by the wireless communication device and a time point for measuring a received signal level of a signal transmitted by the wireless communication device.
Preferably, the anti-interference processing module is configured to process an interference-generating signal, and the anti-interference processing module includes a multistage filter and an impedance configuration circuit, where the multistage filter and the impedance configuration circuit are installed on the wireless communication device.
Preferably, the operation method of the interference detection system includes the following steps:
s1, setting a preset time point for acquiring the levels of the uplink signal and the received signal when the user is in the time slot module;
s2, the signal sampling module collects the uplink signal transmitted by the wireless communication equipment, measures the received signal level of the signal transmitted by the wireless communication equipment and transmits the data to the signal processing module;
s3, converting the received uplink signal into a spectrogram in the signal processing module, amplifying and correcting the level of the received signal, and transmitting the processing structure to the signal processing module; the frequency spectrum production unit generates a frequency spectrum diagram of the uplink signal, and the received signal level unit processes the received signal level.
S4, the signal data processed by the signal processing module is transmitted to the signal comparison module, the frequency spectrum comparison unit in the signal comparison module internally compares the acquired frequency spectrum graph with the characteristic parameters in the preset sample database, when fluctuation occurs, the signal is transmitted to the alarm module, the type of the interference signal is determined according to the comparison result, and the result is transmitted to the summarizing processing module,
when the level comparison unit detects that the level of the received signal exceeds a preset value, the level comparison unit sends a signal to an alarm module, determines the type of an interference signal according to characteristic parameters in a preset sample database, and transmits the result to a gathering processing module;
s5, the summarizing processing module compares the types of the interference signals obtained by the level comparison unit and the spectrum comparison unit according to the data transmitted by the signal comparison module, starts the anti-interference processing module when the conclusion is uniform, sends the signals to the alarm module, and carries out internal signal interference processing by using the anti-interference processing module; when the results do not coincide, the flow returns to step S2.
The invention provides an interference detection system of wireless communication equipment, which has the following beneficial effects:
(1) according to the invention, the signal sampling module is used for collecting the uplink signal of the signal transmitted by the wireless communication equipment and making the uplink signal into the spectrogram, and the level of the received signal of the signal transmitted by the wireless communication equipment is collected, so that the same group of signals has two kinds of sampling data, and the two kinds of sampling data are used for monitoring simultaneously, so that the detection effect is better, and the defect of inaccurate detection caused by a traditional single collection mode is overcome.
(2) According to the method and the device, the sampled signal related data are compared with the characteristic parameters in the preset sample database, the result is obtained according to the comparison, the two kinds of sampled data are adopted, the corresponding result can be obtained after the analysis and the comparison according to the corresponding sampled data, the two groups of results are compared, the type of the interference signal can be more accurately determined, and measures can be more conveniently taken according to the type of the interference signal.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention;
FIG. 2 is a block diagram of a signal processing module according to the present invention;
fig. 3 is a block diagram of a signal comparison module according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a wireless communication equipment's interference detection system, includes well accuse module, be equipped with the preset sample database in the well accuse module, the output of signal sampling module is connected with signal processing module's input, signal processing module's output and signal contrast module are connected, signal sampling module, signal processing module, signal contrast module and well accuse module are connected, be equipped with anti-interference processing module, alarm module and time quantum module in the well accuse module, the time quantum module is connected with signal sampling module, alarm module and the processing module that gathers are connected, the processing module that gathers is connected with well accuse module.
Preferably, the signal sampling module is configured to collect uplink signals transmitted by the wireless communication device at each preset time point, measure received signal levels of the signals transmitted by the wireless communication device, and transmit collected sampling data to the signal processing module for processing.
Preferably, the signal processing module is configured to process the uplink signal and the received signal level acquired by the signal sampling module, a spectrum production unit and a received signal level unit are arranged in the signal processing module, the spectrum production unit is configured to generate a time spectrogram of a preset point for the uplink signal, and the received signal level unit processes the received signal level.
Preferably, the signal comparison module is configured to perform internal comparison between the spectrogram and the received signal level and feature data in a preset sample database, and obtain a result;
the signal comparison module comprises a spectrum comparison unit and a level comparison unit, wherein the spectrum comparison unit is used for generating a time spectrogram of a preset point from a received uplink signal, comparing the time spectrogram with the spectrogram of each preset point, and judging the occurrence of an interference signal according to whether sudden change occurs, and the level comparison unit is used for comparing and analyzing the detected level of the received signal with the preset value.
Preferably, the preset sample database is used for storing characteristic parameters of various interference signals, the summarizing processing module is used for comparing processing results obtained from the signal comparison module, the alarm module is started when the results are consistent, and the signal sampling module is started to perform signal acquisition processing again when the results are inconsistent.
Preferably, the time period module is configured to set a time point for acquiring an uplink signal transmitted by the wireless communication device and a time point for measuring a received signal level of a signal transmitted by the wireless communication device.
Preferably, the anti-interference processing module is configured to process an interference-generating signal, and the anti-interference processing module includes a multistage filter and an impedance configuration circuit, where the multistage filter and the impedance configuration circuit are installed on the wireless communication device.
It should be noted that, when the interference detection system of the wireless communication equipment works, the uplink signal of the signal transmitted by the wireless communication equipment is collected by using the signal sampling module and is made into a spectrogram, and the received signal level of the signal transmitted by the wireless communication equipment is collected, so that the same group of signals has two kinds of sampling data, the two kinds of sampling data are used for monitoring simultaneously, the sampled signal related data are compared with characteristic parameters in a preset sample database, and because of the two kinds of sampling data, two groups of results are obtained, the type of the interference signal can be determined as the same result, and the type of the interference signal can be determined more accurately.
Example 2
The operation method of the interference detection system comprises the following steps:
s1, setting a preset time point for acquiring the levels of the uplink signal and the received signal when the user is in the time slot module;
s2, the signal sampling module collects the uplink signal transmitted by the wireless communication equipment, measures the received signal level of the signal transmitted by the wireless communication equipment and transmits the data to the signal processing module;
s3, converting the received uplink signal into a spectrogram in the signal processing module, amplifying and correcting the level of the received signal, and transmitting the processing structure to the signal processing module; the frequency spectrum production unit generates a frequency spectrum diagram of the uplink signal, and the received signal level unit processes the received signal level.
S4, the signal data processed by the signal processing module is transmitted to the signal comparison module, the frequency spectrum comparison unit in the signal comparison module internally compares the acquired frequency spectrum graph with the characteristic parameters in the preset sample database, when fluctuation occurs, the signal is transmitted to the alarm module, the type of the interference signal is determined according to the comparison result, and the result is transmitted to the summarizing processing module,
when the level comparison unit detects that the level of the received signal exceeds a preset value, the level comparison unit sends a signal to an alarm module, determines the type of an interference signal according to characteristic parameters in a preset sample database, and transmits the result to a gathering processing module;
s5, the summarizing processing module compares the types of the interference signals obtained by the level comparison unit and the spectrum comparison unit according to the data transmitted by the signal comparison module, starts the anti-interference processing module when the conclusion is uniform, sends the signals to the alarm module, and carries out internal signal interference processing by using the anti-interference processing module; when the results do not coincide, the flow returns to step S2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The interference detection system of the wireless communication equipment is characterized by comprising a central control module, wherein a preset sample database is arranged in the central control module, the output end of a signal sampling module is connected with the input end of a signal processing module, the output end of the signal processing module is connected with a signal comparison module, the signal sampling module, the signal processing module and the signal comparison module are connected with the central control module, an anti-interference processing module, an alarm module and a time period module are arranged in the central control module, the time period module is connected with the signal sampling module, the alarm module is connected with a gathering processing module, and the gathering processing module is connected with the central control module.
2. The system of claim 1, wherein the interference detection system comprises: the signal sampling module is used for collecting uplink signals transmitted by the wireless communication equipment at each preset time point, measuring received signal levels of the signals transmitted by the wireless communication equipment, and transmitting collected sampling data to the signal processing module for processing.
3. The system of claim 1, wherein the interference detection system comprises: the signal processing module is used for processing the uplink signal and the received signal level acquired by the signal sampling module, a frequency spectrum production unit and a received signal level unit are arranged in the signal processing module, the frequency spectrum production unit is used for generating a time frequency spectrogram of a preset point for the uplink signal, and the received signal level unit is used for processing the received signal level.
4. The system of claim 1, wherein the interference detection system comprises: the signal comparison module is used for internally comparing the spectrogram and the received signal level with characteristic data in a preset sample database and obtaining a result;
the signal comparison module comprises a spectrum comparison unit and a level comparison unit, wherein the spectrum comparison unit is used for generating a time spectrogram of a preset point from a received uplink signal, comparing the time spectrogram with the spectrogram of each preset point, and judging the occurrence of an interference signal according to whether sudden change occurs, and the level comparison unit is used for comparing and analyzing the detected level of the received signal with the preset value.
5. The system of claim 1, wherein the interference detection system comprises: the preset sample database is used for storing characteristic parameters of various interference signals, the summarizing processing module is used for comparing processing results obtained from the signal comparison module, the alarm module is started when the results are consistent, and the signal sampling module is started to perform signal acquisition processing again when the results are inconsistent.
6. The system of claim 1, wherein the interference detection system comprises: the time period module is used for setting a time point for collecting an uplink signal transmitted by the wireless communication equipment and a time point for measuring a received signal level of the signal transmitted by the wireless communication equipment.
7. The system of claim 1, wherein the interference detection system comprises: the anti-interference processing module is used for processing signals generating interference, and comprises a multistage filter and an impedance configuration circuit, wherein the multistage filter and the impedance configuration circuit are installed on the wireless communication equipment.
8. The system of claim 1, wherein the interference detection system comprises: the operation method of the interference detection system comprises the following steps:
s1, setting a preset time point for acquiring the levels of the uplink signal and the received signal when the user is in the time slot module;
s2, the signal sampling module collects the uplink signal transmitted by the wireless communication equipment, measures the received signal level of the signal transmitted by the wireless communication equipment and transmits the data to the signal processing module;
s3, converting the received uplink signal into a spectrogram in the signal processing module, amplifying and correcting the level of the received signal, and transmitting the processing structure to the signal processing module; the frequency spectrum production unit generates a frequency spectrum diagram of the uplink signal, and the received signal level unit processes the received signal level.
S4, the signal data processed by the signal processing module is transmitted to the signal comparison module, the frequency spectrum comparison unit in the signal comparison module internally compares the acquired frequency spectrum graph with the characteristic parameters in the preset sample database, when fluctuation occurs, the signal is transmitted to the alarm module, the type of the interference signal is determined according to the comparison result, and the result is transmitted to the summarizing processing module,
when the level comparison unit detects that the level of the received signal exceeds a preset value, the level comparison unit sends a signal to an alarm module, determines the type of an interference signal according to characteristic parameters in a preset sample database, and transmits the result to a gathering processing module;
s5, the summarizing processing module compares the types of the interference signals obtained by the level comparison unit and the spectrum comparison unit according to the data transmitted by the signal comparison module, starts the anti-interference processing module when the conclusion is uniform, sends the signals to the alarm module, and carries out internal signal interference processing by using the anti-interference processing module; when the results do not coincide, the flow returns to step S2.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155667A (en) * | 2023-04-19 | 2023-05-23 | 深圳华龙讯达信息技术股份有限公司 | Anti-interference signal transmission processing system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006140809A (en) * | 2004-11-12 | 2006-06-01 | Matsushita Electric Ind Co Ltd | Digital receiver and multimode receiver |
| US20070202829A1 (en) * | 2004-04-29 | 2007-08-30 | Koninklijke Philips Electronics, N.V. | Receiver for Narrowband Interference Cancellation |
| CN101080061A (en) * | 2006-05-24 | 2007-11-28 | 株式会社日立制作所 | Wireless communication apparatus and wireless communication system |
| CN101566645A (en) * | 2008-04-21 | 2009-10-28 | 北京同方微电子有限公司 | Detection circuit for power supply voltage pulse interference |
| US20110128178A1 (en) * | 2009-11-30 | 2011-06-02 | The Aerospace Corporation | Cognitive anti-jam receiver systems and associated methods |
| CN102868458A (en) * | 2011-07-06 | 2013-01-09 | 上海华为技术有限公司 | Interference detection method of wireless communication equipment and wireless communication equipment |
| CN108075849A (en) * | 2017-12-28 | 2018-05-25 | 成都市智讯联创科技有限责任公司 | GPS and GSM interference signal direction detecting positioning systems based on detection |
| CN109068352A (en) * | 2018-09-28 | 2018-12-21 | 京信通信系统（中国）有限公司 | It eats dishes without rice or wine interference detection method, device and base station |
| CN209882109U (en) * | 2019-08-07 | 2019-12-31 | 孟超龙 | Wireless communication signal detector |
| CN111148124A (en) * | 2018-11-02 | 2020-05-12 | 华为技术有限公司 | Transmission method of reference signal and communication device |
-
2020
- 2020-10-21 CN CN202011134174.9A patent/CN112491486B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070202829A1 (en) * | 2004-04-29 | 2007-08-30 | Koninklijke Philips Electronics, N.V. | Receiver for Narrowband Interference Cancellation |
| JP2006140809A (en) * | 2004-11-12 | 2006-06-01 | Matsushita Electric Ind Co Ltd | Digital receiver and multimode receiver |
| CN101080061A (en) * | 2006-05-24 | 2007-11-28 | 株式会社日立制作所 | Wireless communication apparatus and wireless communication system |
| CN101566645A (en) * | 2008-04-21 | 2009-10-28 | 北京同方微电子有限公司 | Detection circuit for power supply voltage pulse interference |
| US20110128178A1 (en) * | 2009-11-30 | 2011-06-02 | The Aerospace Corporation | Cognitive anti-jam receiver systems and associated methods |
| CN102868458A (en) * | 2011-07-06 | 2013-01-09 | 上海华为技术有限公司 | Interference detection method of wireless communication equipment and wireless communication equipment |
| CN108075849A (en) * | 2017-12-28 | 2018-05-25 | 成都市智讯联创科技有限责任公司 | GPS and GSM interference signal direction detecting positioning systems based on detection |
| CN109068352A (en) * | 2018-09-28 | 2018-12-21 | 京信通信系统（中国）有限公司 | It eats dishes without rice or wine interference detection method, device and base station |
| CN111148124A (en) * | 2018-11-02 | 2020-05-12 | 华为技术有限公司 | Transmission method of reference signal and communication device |
| CN209882109U (en) * | 2019-08-07 | 2019-12-31 | 孟超龙 | Wireless communication signal detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155667A (en) * | 2023-04-19 | 2023-05-23 | 深圳华龙讯达信息技术股份有限公司 | Anti-interference signal transmission processing system |
| CN116155667B (en) * | 2023-04-19 | 2023-06-27 | 深圳华龙讯达信息技术股份有限公司 | Anti-interference signal transmission processing system |
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