Radio wave information output device, radio wave information output method, radio wave information output system, and radio wave information output program

Abstract

In order to output information for reducing the effort needed for examining radiowave interference or specifying an interference source, this radiowave information output device: receives, with respect to a reception radiowave that is received by a radiowave sensor, radiowave information and reception waveform data that indicates a signal waveform of the reception radiowave; collates whether reception metadata, which is identification information about a radiowave transmission source and is included in the received radiowave information, matches collation metadata that is identification information about a known radiowave transmission source; collates, with respect to the reception radiowave for which the reception metadata does not match any of the collation metadata, whether a reception signal waveform, which is indicated by the reception waveform data, matches collation signal waveforms that are known radiowave signal waveforms; and outputs unknown radiowave information pertaining to an unknown radiowave with respect to the unknown radiowave that is the reception radiowave of which the reception signal waveform has not matched any one of the collation signal waveforms.

Description

Technical Field

[0001] The present invention relates to a radio wave information output device and the like.

Background Art

[0002] In wireless communication, one of the factors causing throughput degradation is radio wave interference.

[0003] When radio wave interference occurs and the throughput decreases, the quality of the service provided by wireless communication may deteriorate. Deterioration of service quality includes, for example, disturbance of reproduced video or audio, and deterioration of control accuracy of remote control.

[0004] Therefore, when radio wave interference occurs, it is desirable to take measures against radio wave interference to eliminate the radio wave interference.

[0005] However, factors other than radio wave interference may also cause throughput degradation. Therefore, in order to take measures against radio wave interference, first, it is necessary to investigate whether radio wave interference is occurring.

[0006] Generally, a decrease in throughput is detected by a decrease in service quality. And generally, an investigator goes to the site where the service quality has deteriorated, and the investigator investigates the surrounding radio wave situation and so on to investigate whether radio wave interference is occurring. And when radio wave interference is occurring, the interference source is specified and measures against radio wave interference are taken.

[0007] Also, as related technologies, there are the technologies described in Patent Document 1 to Patent Document 2.

Prior Art Documents

Patent Documents

[0008]

Patent Document 1

[0009] However, the general method of radio wave interference investigation as described above is time-consuming because the investigator has to go to the site.

[0010] As a method of reducing this labor, a method can be considered in which many sensors installed in the field acquire radio wave information, the management device collects the radio wave information from the sensors, and the user conducts a radio wave interference investigation based on the collected information.

[0011] However, there are many radio wave transmission sources in the field. Therefore, if all the information collected from the sensors is provided to the user, a large amount of information will be provided to the user, resulting in an information overload for the user. As a result, it takes time to investigate radio wave interference and identify the interference source. As a result, a lot of labor is required for the investigation of radio wave interference and the identification of the interference source.

[0012] An object of the present invention is to provide a radio wave information output device or the like that can output information for reducing the labor of investigating radio wave interference and identifying the interference source in view of the above problems. [Means for Solving the Problems]

[0013] In one aspect of the present invention, a radio wave information output device includes: a receiving means for receiving received waveform data, which is data indicating a signal waveform of a received radio wave that is a radio wave received by a radio wave sensor, and radio wave information; a collating means for collating whether received metadata, which is information included in the received radio wave information and is identification information of a radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for a received radio wave for which the received metadata does not match any of the collation metadata, collating whether a received signal waveform, which is a signal waveform indicated by the received waveform data, matches a collation signal waveform, which is a signal waveform of a known radio wave; and an output means for outputting unknown radio wave information, which is information regarding the unknown radio wave, for the received radio wave for which the received signal waveform does not match any of the collation signal waveforms.

[0014] In another aspect of the present invention, a radio wave information output method includes: receiving received waveform data, which is data indicating a signal waveform of a received radio wave that is a radio wave received by a radio wave sensor, and radio wave information; collating whether received metadata, which is information included in the received radio wave information and is identification information of a radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source; for a received radio wave for which the received metadata does not match any of the collation metadata, collating whether a received signal waveform, which is a signal waveform indicated by the received waveform data, matches a collation signal waveform, which is a signal waveform of a known radio wave; and outputting unknown radio wave information, which is information regarding the unknown radio wave, for the received radio wave for which the received signal waveform does not match any of the collation signal waveforms.

[0015] In another aspect of the present invention, a radio wave information output program recorded on a computer-readable recording medium causes a computer to perform a receiving function of receiving, for a received radio wave which is a radio wave received by a radio wave sensor, received waveform data which is data indicating a signal waveform of the received radio wave and radio wave information, a collating function of collating whether or not received metadata which is information included in the received radio wave information and is identification information of a radio wave transmission source matches collation metadata which is identification information of a known radio wave transmission source, and for the received radio wave for which the received metadata does not match any of the collation metadata, collating whether or not a received signal waveform which is a signal waveform indicated by the received waveform data matches a collation signal waveform which is a signal waveform of a known radio wave, and an output function of outputting unknown radio wave information which is information regarding the unknown radio wave for the unknown radio wave for which the received signal waveform does not match any of the collation signal waveforms.

[0016] In another aspect of the present invention, a radio wave information output system includes a receiving means for receiving, for a received radio wave which is a radio wave received by a radio wave sensor, received waveform data which is data indicating a signal waveform of the received radio wave and radio wave information, a collating means for collating whether or not received metadata which is information included in the received radio wave information and is identification information of a radio wave transmission source matches collation metadata which is identification information of a known radio wave transmission source, and for the received radio wave for which the received metadata does not match any of the collation metadata, collating whether or not a received signal waveform which is a signal waveform indicated by the received waveform data matches a collation signal waveform which is a signal waveform of a known radio wave, and an output means for outputting unknown radio wave information which is information regarding the unknown radio wave for the unknown radio wave for which the received signal waveform does not match any of the collation signal waveforms.

Effects of the Invention

[0017] According to the present invention, it becomes possible to output information for reducing the labor of investigating radio wave interference and identifying an interference source.

Brief Description of the Drawings

[0018]

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Embodiments for Carrying Out the Invention

[0019] [First Embodiment] The first embodiment of the present invention will be described.

[0020] Note that a specific example of the radio wave information output device 10 in the first embodiment is the radio wave information output device 20 in the second embodiment described later.

[0021] First, a configuration example of the radio wave information output device 10 of the present embodiment will be described. FIG. 1 shows a configuration example of the radio wave information output device 10 of the present embodiment. The radio wave information output device 10 includes a receiving unit 11, a collating unit 12, and an output unit 13.

[0022] The receiving unit 11 receives received waveform data and radio wave information about the received radio wave. The received radio wave is a radio wave received by a radio wave sensor. The received waveform data is data indicating the signal waveform of the received radio wave. The radio wave information is information about the radio wave. The radio wave information includes identification information of the radio wave source.

[0023] The collating unit 12 collates whether the received metadata matches the collation metadata. The received metadata is information included in the received radio wave information and is the identification information of the radio wave source. The collation metadata is the identification information of a known radio wave source.

[0024] In addition, for a received radio wave for which the received metadata does not match any of the collation metadata, the collating unit 12 collates whether the received signal waveform matches the collation signal waveform. The received signal waveform is the signal waveform indicated by the received waveform data. The collation signal waveform is the signal waveform of a known radio wave.

[0025] The output unit 13 outputs unknown radio wave information. The unknown radio wave information is information about an unknown radio wave. The unknown radio wave is a received radio wave for which the received signal waveform does not match any of the collation signal waveforms.

[0026] Next, an example of the operation flow of the radio wave information output device 10 of the present embodiment will be described. FIG. 2 shows an example of the operation flow of the radio wave information output device 10 of the present embodiment.

[0027] The receiving unit 11 receives received waveform data and radio wave information about the received radio wave (step S101). The received radio wave is a radio wave received by a radio wave sensor. The received waveform data is data indicating the signal waveform of the received radio wave. The radio wave information includes identification information of the radio wave source.

[0028] The verification unit 12 verifies whether the received metadata matches the verification metadata (step S102). The received metadata is information included in the received radio wave information and is the identification information of the radio wave source. The verification metadata is the identification information of a known radio wave source.

[0029] Also, for received radio waves where the received metadata does not match any of the verification metadata, the verification unit 12 verifies whether the received signal waveform matches the verification signal waveform (step S103). The received signal waveform is the signal waveform indicated by the received waveform data. The verification signal waveform is the signal waveform of a known radio wave.

[0030] The output unit 13 outputs unknown radio wave information (step S104). The unknown radio wave information is information regarding unknown radio waves. Unknown radio waves are received radio waves whose received signal waveforms do not match any of the verification signal waveforms.

[0031] As described above, in the first embodiment of the present invention, the radio wave information output device 10 includes a reception unit 11, a verification unit 12, and an output unit 13. The reception unit 11 receives received waveform data and radio wave information for received radio waves. The received radio waves are radio waves received by a radio wave sensor. The received waveform data is data indicating the signal waveform of the received radio waves. The radio wave information includes identification information of the radio wave source. The verification unit 12 verifies whether the received metadata matches the verification metadata. The received metadata is information included in the received radio wave information and is the identification information of the radio wave source. The verification metadata is the identification information of a known radio wave source. Also, for received radio waves where the received metadata does not match any of the verification metadata, the verification unit 12 verifies whether the received signal waveform matches the verification signal waveform. The received signal waveform is the signal waveform indicated by the received waveform data. The verification signal waveform is the signal waveform of a known radio wave. The output unit 13 outputs unknown radio wave information. The unknown radio wave information is information regarding unknown radio waves. Unknown radio waves are received radio waves whose received signal waveforms do not match any of the verification signal waveforms.

[0032] In this way, the radio wave information output device 10 outputs information regarding unknown radio waves. Since information regarding unknown radio waves is output from the radio wave information output device 10, an investigator can more easily determine the possibility of the occurrence of radio wave interference by referring to the output information and take measures against radio wave interference. As a result, the labor for investigating radio wave interference and identifying the interference source is reduced. Therefore, it becomes possible to output information for reducing the labor for investigating radio wave interference and identifying the interference source.

[0033] [Second Embodiment] Next, the radio wave information output device 20 in the second embodiment of the present invention will be described. Note that a specific example of the radio wave information output device 10 in the first embodiment is the radio wave information output device 20 in the second embodiment.

[0034] First, FIG. 3 shows a configuration example of a system including the radio wave information output device 20 of the present embodiment. The radio wave information output device 20 is connected to radio wave sensors 50-i (i is an integer from 1 to N). Further, the radio wave information output device 20 is connected to a display means 60. The radio wave sensors 50-i and the radio wave information output device 20 are included in a monitoring system 40.

[0035] The radio wave sensor 50-i receives radio waves. Hereinafter, the radio waves received by the radio wave sensor 50-i are referred to as received radio waves. Further, the radio wave sensor 50-i outputs received waveform data and radio wave information regarding the received radio waves to the radio wave information output device 20. The received waveform data is data indicating the signal waveform of the received radio waves. The radio wave information is information regarding radio waves. The radio wave information includes identification information of the transmission source of the radio waves.

[0036] The radio wave sensor 50-i may be fixedly installed or may be movable. Further, the communication method for outputting the received waveform data and the radio wave information from the radio wave sensor 50-i to the radio wave information output device 20 may be wired or wireless.

[0037] The display means 60 is a man-machine interface such as a display as an output device. The display means 60 displays an image. In the present embodiment, it is assumed that the radio wave information output device 20 outputs unknown radio wave information, which is information regarding radio wave information, to the display means 60. However, the output destination of the unknown radio wave information is arbitrary. The radio wave information output device 20 may output the unknown radio wave information to an output destination other than the display means 60.

[0038] Next, FIG. 4 shows a configuration example of the radio wave information output device 20 of the present embodiment. The radio wave information output device 20 of the present embodiment includes a receiving unit 21, a collating unit 22, an output unit 23, and an estimating unit 24.

[0039] The receiving unit 21 receives received waveform data and radio wave information from the radio wave sensor 50-i. The received waveform data is data indicating the signal waveform of the received radio wave. The received radio wave is the radio wave received by the radio wave sensor 50-i. The radio wave information is information regarding the radio wave. The radio wave information includes identification information of the radio wave transmission source. Hereinafter, the identification information of the radio wave transmission source is referred to as radio wave identification information. Further, the radio wave identification information included in the radio wave information received by the receiving unit 21 is hereinafter referred to as received metadata.

[0040] The radio wave identification information is information capable of identifying the individual of the transmission source. The radio wave identification information may include, for example, IMEI (International Mobile Equipment Identity), IMSI (International Mobile Subscriber Identity), MAC (Media Access Control) address, etc. When the transmission source is a drone, the radio wave identification information may include a remote ID (identification), which is the identification information of the drone.

[0041] Also, when the source is a base station, the radio wave identification information may include a PCI (Physical Cell Identifier). Further, the radio wave identification information may include the number of the beamforming area included in an SSB (SS (Synchronization Signal) / PBCH (Physical Broadcast Channel) Block). Although the PCI and the number of the beamforming area cannot identify the individual of the source alone, they are information that can narrow down the corresponding individual when combined with other information. For example, when the radio wave identification information includes the PCI and the number of the beamforming area, the corresponding source is almost uniquely identified.

[0042] Also, the radio wave identification information may include information based on the location information of the source. For example, when the source is fixedly installed, the location information of the source may be used as the radio wave identification information. Also, when the source moves on the same route, the movement route of the source may be used as the radio wave identification information.

[0043] The radio wave sensor 50-i can obtain the location information of the source from the radio waves transmitted by the source. For example, the source acquires its own location using a GNSS (Global Navigation Satellite System). Then, the radio wave sensor 50-i can obtain the location information of the source from the signal including the location information by monitoring the signal transmitted by the source.

[0044] Also, the radio wave identification information may include information regarding the frequency of the radio wave. For example, the radio wave identification information may include information such as SS (Synchronization Signal) ref. Although there are many sources using the same frequency on the field, when the frequency information is combined with other information, such as location information, the candidates for the individual of the source may be narrowed down.

[0045] In addition to the radio wave identification information, the radio wave information may include information regarding the radio waves transmitted by the transmission source, such as frequency, modulation method, and received signal level in the radio wave sensor 50-i. For example, the radio wave information may include information such as SS-RSRQ (Reference Signal Received Quality).

[0046] Furthermore, the radio wave information may include location identification information, which is information that can be used to identify the location of the transmission source. The location identification information may include, for example, direction information indicating the direction of arrival of the radio wave. The radio wave sensor 50-i can estimate the direction of arrival of the signal, for example, by using an antenna whose directivity can be controlled by beamforming or rotation. In addition, the location identification information may include information used in radio wave emission position estimation methods such as the AOA (Angle of Arrival) method, the POA (Power of Arrival) method, and the TDOA (Time Difference of Arrival) method.

[0047] The verification unit 22 verifies whether the received metadata and the verification metadata match. The received metadata is the radio wave identification information included in the radio wave information received by the receiving unit 21. The verification metadata is the radio wave identification information of the radio waves output from a known transmission source. The known transmission source is a properly installed radio base station, a legitimate wireless terminal, or the like. The verification metadata is stored in a storage unit (not shown). Note that the storage unit may be inside or outside the radio wave information output device 20.

[0048] When the radio wave identification information includes two or more types of metadata, the verification unit 22 makes a determination as to whether the received metadata and the verification metadata match according to a predetermined verification condition. The verification condition is a condition that is satisfied when the verification unit 22 determines that the received metadata and the verification metadata match, with respect to the metadata used as the radio wave identification information. The verification condition is set to an arbitrary condition according to the metadata used as the radio wave identification information.

[0049] The matching condition may be that either the first condition or the second condition is satisfied. The first condition may be, for example, that any of the metadata that can uniquely identify an individual alone, such as IMEI, matches. The second condition may be, for example, that for metadata that cannot uniquely identify an individual alone, any of the metadata included in a predetermined combination of metadata matches. For example, the second condition may be that both the PCI and the number of the beamforming area match.

[0050] In addition, the matching unit 22 matches whether the received signal waveform matches the reference signal waveform for the received radio wave whose received metadata does not match any of the reference metadata. The received signal waveform is the signal waveform indicated by the received waveform data. The reference signal waveform is the signal waveform of a known radio wave. The specific method of matching the received signal waveform and the reference signal waveform will be described later.

[0051] The output unit 23 outputs unknown radio wave information. The unknown radio wave information is information about the received radio wave whose received signal waveform does not match any of the reference signal waveforms. The received radio wave whose received signal waveform does not match any of the reference signal waveforms is a received radio wave that has no match in the matching with the known radio wave identification information and the matching with the known signal waveform. That is, what is output as the unknown radio wave information is information about the unknown received radio wave. The received radio wave whose received signal waveform does not match any of the reference signal waveforms may hereinafter be referred to as an unknown radio wave. Note that the unknown radio waves include radio waves transmitted from an illegal transmitter such as an illegal base station or terminal, or radio waves that are abnormal due to some problem even if they are transmitted from a legitimate transmitter.

[0052] In this way, in the present embodiment, the output unit 23 outputs information about the unknown radio wave as the unknown radio wave information. Therefore, the user who receives the information can easily grasp the existence of radio waves transmitted from an illegal transmitter or abnormal radio waves. As a result, it becomes easy to implement countermeasures against unknown radio waves.

[0053] The output unit 23 may suppress the output of information regarding known received radio waves. Suppressing the output of information regarding known received radio waves can reduce the amount of information from the radio wave information output device 20 to the output destination, and can also reduce the communication load. Also, for the user, it becomes easier to make choices about information.

[0054] Also, the output unit 23 may output known radio wave information, which is information regarding known received radio waves (also referred to as known radio waves), separately from the unknown radio wave information. Known received radio waves are received radio waves whose received metadata matches either the collation metadata, or received radio waves whose received signal waveform matches either the collation signal waveform.

[0055] In the present embodiment, the output unit 23 outputs unknown radio wave information to the display means 60. Also, in the present embodiment, the unknown radio wave information is image information for causing the display means 60 to display an image. That is, the output unit 23 causes the display means 60 to display an image by outputting the unknown radio wave information to the display means 60.

[0056] Also, the estimation unit 24 estimates the position of the source of the unknown radio wave. The method of estimating the position will be described later. The unknown radio wave information output by the output unit 23 may include information regarding the position of the source of the unknown radio wave estimated by the estimation unit 24.

[0057] Next, the collation between the received signal waveform and the collation signal waveform will be described more specifically. The collation unit 22 of the present embodiment performs collation based on the signal waveform in addition to collation based on the radio wave identification information. Thereby, collation can also be performed on radio waves that do not contain radio wave identification information in the radio wave, or radio waves for which radio wave identification information could not be obtained by the radio wave sensor 50-i. Then, the received radio waves included in the unknown radio wave information can be further narrowed down. Information For radio waves that do not contain radio wave identification information in the radio wave, or radio waves for which radio wave identification information could not be obtained by the radio wave sensor 50-i, collation can also be performed. Then, the received radio waves included in the unknown radio wave information can be further narrowed down.

[0058] The matching unit 22 matches, for example, whether the received signal waveform matches the reference signal waveform based on radio wave characteristic information. The radio wave characteristic information is information indicating the characteristics of the signal waveform of a radio wave, which varies for each signal source that transmits the radio wave.

[0059] Devices that transmit radio waves are manufactured to meet predetermined communication standards, but there are minute individual differences due to variations in analog circuits and the like. Therefore, radio waves have characteristic quantities that can be identified based on the individual differences of the devices that are the signal sources. The radio wave characteristic information is, for example, a characteristic quantity based on modulation error by modulation analysis, a characteristic quantity based on the time waveform of the radio wave, and the like. Also, for example, the radio wave characteristic information may be a characteristic quantity indicating one or more of the transient (rise and fall) of the received signal, the power spectral density of the preamble portion, the error vector magnitude (EVM), the IQ phase error, the IQ imbalance amount, the frequency offset, and the symbol clock error, but is not limited thereto.

[0060] Note that even if the above-described characteristic quantities are those of radio waves emitted from the same device, differences occur depending on the usage environment and the reception environment. Therefore, whether the received signal waveform and the reference signal waveform match does not necessarily have to be determined on the premise that they completely match. For example, if there is a similarity equal to or greater than a predetermined threshold value, it may be determined that they match.

[0061] Next, a method for matching the received signal waveform and the reference signal waveform will be described. The matching unit 22 matches, for example, whether the received signal waveform matches the reference signal waveform by matching the radio wave characteristic information extracted from the received waveform data and the reference information. The reference information is stored in the storage unit. In this case, the reference information is the radio wave characteristic information of the reference signal waveform.

[0062] First, the matching unit 22 extracts radio frequency characteristic information from the received waveform data received by the receiving unit 21. An extraction rule indicating what feature quantity is to be extracted as radio frequency characteristic information from the received waveform data is determined in advance. The matching unit 22 extracts radio frequency characteristic information from the received waveform data according to the extraction rule.

[0063] Then, the matching unit 22 matches the radio frequency characteristic information extracted from the received waveform data with the matching information. More specifically, the matching unit 22 checks whether the radio frequency characteristic information extracted from the received waveform data contains radio frequency characteristic information whose similarity with the matching information is equal to or greater than a predetermined value. Note that any method can be used as the method for calculating the similarity. In this case, the matching information is radio frequency characteristic information extracted from the signal waveform data of radio waves output from a known transmission source. Also, the matching information is stored in the storage unit.

[0064] The matching unit 22 can also use machine learning for the matching of whether the received signal waveform matches the matching signal waveform. Fig. 5 shows an example of the system configuration when using machine learning. In the example shown in Fig. 5, a learning device 70 is connected to the radio wave information output device 20 by wire or wirelessly. Note that in Fig. 5, the learning device 70 and the radio wave information output device 20 are shown as different devices, but the radio wave information output device 20 may have the function of the learning device 70. Also, the learning device 70 may be included in the monitoring system 40.

[0065] The learning device 70 generates a model based on the learning data. Then, the matching unit 22 of the radio wave information output device 20 uses the model generated by the learning device 70 to check whether the received signal waveform matches the matching signal waveform.

[0066] Fig. 6 shows a configuration example of the learning device 70 of the present embodiment. The learning device 70 is composed of a learning data input unit 71, a learning data storage unit 72, and a model generation unit 73.

[0067] The learning data input unit 71 receives the input of learning data and stores it in the learning data storage unit 72. The learning data storage unit 72 stores the learning data. Further, the model generation unit 73 generates a model by machine learning based on the learning data. Then, the model generation unit 73 transmits the generated model to the radio wave information output device 20. Note that the model generation unit 73 may newly perform machine learning to generate a new model each time new learning data is registered in the learning data storage unit 72, or may generate a new model at a predetermined timing such as at regular intervals.

[0068] The collation unit 22 of the radio wave information output device 20 can utilize machine learning for the extraction of radio wave feature information. In this case, the learning data includes, for example, signal waveform data of radio waves output from various transmission sources.

[0069] Also, in this case, the model generated by the model generation unit 73 of the learning device 70 is an extraction model for extracting radio wave feature information from the signal waveform data. The model generation unit 73 generates an extraction model for extracting the signal waveform of each individual transmission source or, at least, radio wave feature information that can distinguish between the collation signal waveform and other signal waveforms. Then, the collation unit 22 of the radio wave information output device 20 uses the extraction model generated by the learning device 70 to extract radio wave feature information from the received waveform data. The input to the extraction model is the received waveform data received by the receiving unit 21. Also, the output from the extraction model is the radio wave feature information extracted from the received waveform data.

[0070] Also, it is possible to utilize machine learning for the collation between the radio wave feature information extracted from the received waveform data and the collation information. In this case, the learning data includes, for example, radio wave feature information extracted from various transmission sources. Also, the learning data includes information indicating whether the radio wave feature information of each of the radio wave feature information is the radio wave feature information of the collation signal waveform.

[0071] Also, in this case, the model generated by the model generation unit 73 of the learning device 70 is a collation model that collates the input radio wave feature information and the collation information. More specifically, the collation model determines whether there is collation information with a similarity to the radio wave feature information included in the input radio wave feature information that is equal to or greater than a predetermined value from the input radio wave feature information. Then, the collation unit 22 of the radio wave information output device 20 uses the collation model to determine whether there is collation information with a similarity to the radio wave feature information included in the radio wave feature information extracted from the received waveform data that is equal to or greater than a predetermined value. The input to the collation model is the radio wave feature information of the received waveform data. Also, the output from the collation model is information indicating whether there is a collation signal waveform that matches the received signal waveform.

[0072] Note that in the method described above, the collation unit 22 collates the radio wave feature information extracted from the received waveform data and the collation information. In this case, the collation information is the radio wave feature information of the collation signal waveform. However, the collation unit 22 may collate whether the received signal waveform matches the collation signal waveform by collating the received waveform data and the collation information. In this case, the collation information is the signal waveform data of the collation signal waveform.

[0073] Also, in this case, the collation unit 22 can utilize machine learning. In this case, the training data includes, for example, signal waveform data output from various transmission sources. Also, the training data includes information indicating whether each of the signal waveform data is the signal waveform data of the collation signal waveform.

[0074] Also, in this case, the model generated by the model generation unit 73 of the learning device 70 is a specific model that determines whether there is a collation signal waveform that matches the signal waveform indicated by the input signal waveform data. Then, the collation unit 22 of the radio wave information output device 20 uses the specific model generated by the learning device 70 to determine whether there is a collation signal waveform that matches the received signal waveform from the received waveform data. The input to the specific model is the received waveform data. Also, the output from the specific model is information indicating whether there is a collation signal waveform that matches the received signal waveform.

[0075] Next, a specific example of the image to be displayed by the output unit 23 on the display means 60 will be described.

[0076] For example, the image may include a screen item indicating the transmission source at the position of the transmission source on the map. The radio wave in which the screen item indicating the transmission source is included in the image is a radio wave in which information regarding radio wave information is included in the unknown radio wave information. That is, the image includes a screen item indicating the transmission source for the received radio wave whose received signal waveform does not match any of the collation signal waveforms.

[0077] Also, in the case of this display method, the unknown radio wave information includes information regarding the estimation result of the position of the transmission source. The method for estimating the position of the transmission source will be described later. Also, the position of the transmission source is often estimated not pinpointedly but within a certain range. Therefore, the screen item indicating the transmission source may be displayed in a size indicating the range where the transmission source is estimated to exist.

[0078] Also, the image may further include at least a part of the radio wave information for each radio wave. For example, the image may include received metadata in association with the screen item indicating the transmission source. FIG. 7 is a diagram showing an example of the display image. In the case of the example of FIG. 7, the circle is a screen item indicating the transmission source. In this way, on the map at the position of the transmission source, a screen item indicating the transmission source is arranged in the image. Also, in the case of the example of FIG. 7, the size of the screen item indicates the range where the transmission source is estimated to exist. Also, the image includes the type of radio wave, the used frequency band, the PCI, etc. in association with the screen item indicating the transmission source.

[0079] Also, the output unit 23 may output the unknown radio wave information to an output destination other than the display means 60. For example, the unknown radio wave information may be data including information regarding the radio wave information of the unknown radio wave. Also, the unknown radio wave information may include information regarding the position of the transmission source of the unknown radio wave, etc.

[0080] For example, the output unit 23 may output the unknown radio wave information to an alarm management device that manages an alarm device that performs alarm broadcasts. The alarm device performs alarm broadcasts by, for example, specific radio or disaster prevention radio.

[0081] The storage unit stores, for each alarm device, identification information of the alarm device, information on the position of the alarm device, and information on the notification destination of the alarm management device that manages the alarm device. Note that the notification destination is the output destination of the unknown radio wave information output from the output unit 23 to the alarm management device. From the alarm management device, the output unit 23 refers to the information on the position of the alarm device and identifies the alarm devices existing within a predetermined distance from the transmission source of the unknown radio wave. Further, the output unit 23 identifies the alarm management device that manages the alarm devices existing within a predetermined distance from the transmission source of the unknown radio wave. Then, the output unit 23 outputs the unknown radio wave information to the notification destination of the identified alarm management device. The unknown radio wave information in this case includes the identification information of the alarm devices existing within a predetermined distance from the transmission source of the unknown radio wave.

[0082] In this way, the alarm management device that has received the unknown radio wave information can instruct the alarm devices existing near the transmission source of the unknown radio wave to perform alarm broadcasts. Thereby, a warning can be given to the transmission source of the unknown radio wave by using the alarm devices existing near the transmission source of the unknown radio wave.

[0083] Also, for example, the output unit 23 may notify the existence of the unknown radio wave to a predetermined notification destination such as a telecommunications carrier by outputting the unknown radio wave information to the predetermined notification destination.

[0084] For example, the memory unit stores in advance, for each communication carrier, information on the notification destination and information on the frequency band used in the service provided by the communication carrier. Note that the notification destination is the output destination of the unknown radio wave information output from the output unit 23 to the communication carrier. The output unit 23 refers to the information on the frequency band used in the service provided by the communication carrier, and identifies the communication carrier whose frequency used by the unknown radio wave is included in the frequency band used in the provided service. Then, the output unit 23 outputs the unknown radio wave information to the notification destination of the identified communication carrier. The unknown radio wave whose information is included in the unknown radio wave information in this case is an unknown radio wave using a frequency included in the frequency band used in the service provided by the communication carrier. Further, the unknown radio wave information includes at least a part of the radio wave information of the unknown radio wave. For example, the unknown radio wave information includes information on the frequency used by the unknown radio wave, information on the position of the transmission source of the unknown radio wave, and the like.

[0085] In this way, it becomes possible to provide the communication carrier with information on the unknown radio wave that may be an interfering wave to the service provided by the communication carrier. Then, the communication carrier can grasp the possibility that radio wave interference by the unknown radio wave has occurred and take countermeasures.

[0086] Further, for example, the output unit 23 may notify the notification destination of the existence of the unknown radio wave by outputting the unknown radio wave information to the notification destination according to the position of the transmission source of the unknown radio wave.

[0087] For example, the memory unit stores in advance the correspondence between the information of the notification destination and the information of the area. The output unit 23 refers to the correspondence between the information of the notification destination and the information of the area, and identifies the notification destinations whose positions of the sources of the unknown radio waves are included in the area. Then, the output unit 23 outputs the unknown radio wave information to the identified notification destinations. In this case, the unknown radio waves whose information is included in the unknown radio wave information are the unknown radio waves whose source positions are included in the area associated with the notification destination. Also, the unknown radio wave information includes at least a part of the radio wave information of the unknown radio waves. For example, the unknown radio wave information includes information on the frequency used by the unknown radio wave, information on the position of the source of the unknown radio wave, and the like.

[0088] In this way, it becomes possible to provide the information of the unknown radio waves existing within the area associated with the notification destination to the notification destination. Then, the notification destination can grasp the possibility that radio wave interference is occurring due to the unknown radio waves and take countermeasures. For example, it becomes possible to notify the airport administrator or the like that the unknown radio waves exist within the airport.

[0089] Next, a method for estimating the position of the source of the unknown radio waves will be described. Any method can be used for the method of estimating the position of the source. For the estimation of the position of the source, for example, radio wave emission position estimation methods such as the AOA method, the POA method, and the TDOA method can be used. Also, when the radio wave information received by the receiving unit 21 includes the position information of the source acquired by GNSS, that position information can be used.

[0090] An example of the method for estimating the position of the source will be described. In the case of this example, the radio wave information received by the receiving unit 21 includes the frequency of the received signal, the modulation method, and the position identification information. Also, the position identification information includes direction information indicating the direction of arrival of the radio wave.

[0091] First, the estimation unit 24 groups the radio wave sensors 50-1 to 50-N into sensors that receive radio waves from the same transmission source. The groups generated by the grouping are groups of radio wave sensors that are estimated to receive the same radio wave. Since one radio wave sensor can receive one or two or more radio waves, it may belong to a plurality of groups. For the estimation unit 24, for a certain radio wave sensor, other radio wave sensors that satisfy both of the following two conditions are considered to be sensors that receive radio waves from the same transmission source. The first condition is that the frequencies and modulation methods of the received radio waves are the same. The second condition is that the distance between the radio wave sensors is within a predetermined range. Note that the storage unit stores information on the positions of the respective radio wave sensors 50-i.

[0092] Next, for each group, the estimation unit 24 estimates the intersection of the straight lines extended from the radio wave sensors in the direction of arrival of the radio waves as the position of the transmission source. If the intersection is not determined at one location, the estimation unit 24 estimates, for example, a region including two or more intersections as the position of the transmission source. For example, the estimation unit 24 may estimate the minimum enclosing circle of two or more intersections as the region estimated as the position of the transmission source. When there is one radio wave sensor included in the group, the estimation unit 24 may not estimate the position of the transmission source, or may estimate the position of the transmission source by any method. For example, the estimation unit 24 may estimate a region including a straight line of a predetermined length extended from the position of the radio wave sensor in the direction of arrival of the radio waves as the region estimated as the position of the transmission source.

[0093] Further, the estimation unit 24 may use the information on the likelihood of the arrival direction of the radio wave for estimating the position of the transmission source. For example, when estimating the arrival direction of the radio wave, the radio wave sensor 50-i further calculates the likelihood of the estimated arrival direction. For example, the likelihood may be a value that increases as the received signal level increases. In this case, the radio wave information transmitted from the radio wave sensor 50-i to the radio wave information output device 20 includes position identification information including direction information and likelihood information. Then, when there are a plurality of radio wave sensors belonging to a group and a plurality of intersection points, the estimation unit 24 may estimate the position of the transmission source without using the direction information of the received radio wave whose likelihood is lower than a predetermined criterion.

[0094] Next, an example of the operation flow of the radio wave information output device 20 of the present embodiment will be described. FIG. 8 shows an example of the operation flow of the radio wave information output device 20 of the present embodiment.

[0095] The receiving unit 21 receives the received waveform data and the radio wave information from the radio wave sensor 50-i (step S201). In the present embodiment, the received waveform data and the radio wave information are transmitted from the radio wave sensor 50-i at predetermined intervals.

[0096] The collating unit 22 collates the received metadata and the collation metadata (step S202). Further, the collating unit 22 collates the received signal waveform and the collation signal waveform for the received radio wave for which the received metadata does not match any of the collation metadata (step S203). In the present embodiment, collation is performed at predetermined intervals.

[0097] The estimation unit 24 estimates the position of the transmission source of the received radio wave (unknown radio wave) for which the received signal waveform does not match any of the collation signal waveforms (step S204). Note that the estimation unit 24 may not estimate the position of the transmission source when the information regarding the position of the transmission source is not included in the unknown radio wave information.

[0098] Then, the output unit 23 outputs the unknown radio wave information (step S205). In the present embodiment, the output unit 23 outputs the unknown radio wave information at regular intervals. The output unit 23 may output the unknown radio wave information at arbitrary timings instead of at regular intervals. For example, the output unit 23 may output the unknown radio wave information only when the unknown radio wave exists. Also, for example, the output unit 23 may output the unknown radio wave information indicating that the unknown radio wave does not exist when the unknown radio wave does not exist. Further, the output unit 23 may output the unknown radio wave information when requested by the device that is the output destination of the unknown radio wave information.

[0099] Next, FIGS. 9 and 10 show an operation example of the learning device 70 when machine learning is used for the comparison between the received signal waveform and the comparison signal waveform.

[0100] The radio wave information output device 20 performs step S203 in FIG. 8 using the model received from the learning device 70. The model is at least any one of the above-described extraction model, comparison model, and identification model.

[0101] The learning data input unit 71 of the learning device 70 receives the learning data and stores it in the learning data storage unit 72 (step S301 in FIG. 9). Also, the model generation unit 73 generates a model based on the learning data stored in the learning data storage unit 72 at a predetermined timing. The predetermined timing is, for example, when new learning data is received or at regular intervals. Then, the model generation unit 73 transmits the generated model to the radio wave information output device 20 (step S302 in FIG. 10).

[0102] As described above, in the second embodiment of the present invention, the radio wave information output device 20 includes a receiving unit 21, a collating unit 22, and an output unit 23. The receiving unit 21 receives received radio wave waveform data and radio wave information about the received radio wave. The received radio wave is the radio wave received by the radio wave sensor. The received radio wave waveform data is data indicating the signal waveform of the received radio wave. The radio wave information includes identification information of the radio wave transmission source. The collating unit 22 collates whether the received metadata matches the collation metadata. The received metadata is information included in the received radio wave information and is the identification information of the radio wave transmission source. The collation metadata is the identification information of a known radio wave transmission source. Also, for a received radio wave for which the received metadata does not match any of the collation metadata, the collating unit 22 collates whether the received signal waveform matches the collation signal waveform. The received signal waveform is the signal waveform indicated by the received radio wave waveform data. The collation signal waveform is the signal waveform of a known radio wave. The output unit 23 outputs unknown radio wave information. The unknown radio wave information is information about an unknown radio wave. The unknown radio wave is a received radio wave for which the received signal waveform does not match any of the collation signal waveforms.

[0103] In this way, the radio wave information output device 20 outputs information about the unknown radio wave. Since information about the unknown radio wave is output from the radio wave information output device 20, an investigator can more easily determine the possibility of the occurrence of radio wave interference by referring to the output information, and can take measures against radio wave interference. As a result, the labor for investigating radio wave interference and identifying the interference source is reduced. Therefore, it becomes possible to output information for reducing the labor for investigating radio wave interference and identifying the interference source.

[0104] Also, in the present embodiment, the output unit 23 may suppress the output of known radio wave information, which is information about the radio wave information of known radio waves. A known radio wave is a received radio wave for which the received metadata matches any of the collation metadata, or a received radio wave for which the received signal waveform matches any of the collation signal waveforms. In this case, the amount of information from the radio wave information output device 20 to the output destination can be reduced, and the communication load can be reduced. Also, for the user, it becomes easier to make choices between information.

[0105] In addition, in the present embodiment, the output unit 23 may output known radio wave information, which is information regarding radio wave information about known radio waves, separately from the unknown radio wave information. The received radio wave is such that the received metadata matches any of the collation metadata, or the received signal waveform matches any of the collation signal waveforms. In this case, since the known radio wave information is distinguished from the unknown radio wave information, it becomes easier for the user to make a choice between information.

[0106] In addition, in the present embodiment, the output unit 23 identifies a communication carrier whose frequency band used in the service provided by the communication carrier includes the frequency used by the unknown radio wave, and outputs the unknown radio wave information to the notification destination of the identified communication carrier. The unknown radio wave information includes information on the unknown radio wave that uses the frequency included in the frequency band used in the service provided by the identified communication carrier. This makes it possible to provide the communication carrier with information on the source of the unknown radio wave that may be an interfering wave to the service provided by the communication carrier. Then, the communication carrier can grasp the possibility of radio wave interference caused by the unknown radio wave and take countermeasures.

[0107] In addition, in the present embodiment, the radio wave information output device 20 further includes an estimation unit 24 that estimates the position of the source of the unknown radio wave. The radio wave information includes position identification information that can be used to estimate the position of the source. The estimation unit 24 estimates the position of the source of the unknown radio wave based on the position identification information. This makes it possible for the radio wave information output device 20 to output information regarding the position of the source of the unknown radio wave. Then, the investigator can more easily determine the possibility of the occurrence of radio wave interference by referring to the output information and take countermeasures according to the position of the source.

[0108] In this embodiment, the output unit 23 outputs unknown radio wave information to display means for displaying an image. The unknown radio wave information is image information for causing the display means to display an image. The image includes a screen item indicating the transmission source at the position of the transmission source of the unknown radio wave on the map. Thereby, an investigator who has confirmed the display can easily grasp the position of the transmission source of the unknown radio wave, so that the labor of investigating radio wave interference and identifying the interference source can be reduced.

[0109] In this embodiment, the output unit 23 identifies an alarm device existing within a predetermined distance from the transmission source of the unknown radio wave, and outputs the unknown radio wave information to a notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes identification information of an alarm device existing within a predetermined distance from the transmission source of the unknown radio wave. The alarm device performs alarm broadcasting. Thereby, a warning can be given to the transmission source of the unknown radio wave by using an alarm device existing near the transmission source of the unknown radio wave.

[0110] In this embodiment, the collating unit 22 may collate whether or not the received signal waveform matches the collation signal waveform based on radio wave characteristic information indicating the characteristics of the signal waveform of the radio wave.

[0111] In this embodiment, the collating unit 22 extracts radio wave characteristic information from the received waveform data, and collates the extracted radio wave characteristic information with collation information that is the radio wave characteristic information of the collation signal waveform, thereby collating whether or not the received signal waveform matches the collation signal waveform.

[0112] In this embodiment, the collating unit 22 may extract the radio wave characteristic information from the received waveform data based on an extraction model that extracts the radio wave characteristic information from the signal waveform data of the radio wave.

[0113] In this embodiment, the collating unit 22 may collate the extracted radio wave characteristic information with the collation information based on a collation model that collates the radio wave characteristic information with the collation information.

[0114] In addition, in the present embodiment, the collation unit 22 may collate whether or not the received signal waveform matches the collation signal waveform based on a specific model that specifies whether or not the signal waveform indicated by the radio wave signal waveform data matches the collation signal waveform from the radio wave signal waveform data. By these methods, it is possible to realize the collation between the received signal waveform and the collation signal waveform.

[0115] [Hardware Configuration Example] A configuration example of hardware resources for realizing the radio wave information output devices (10, 20) in each of the above-described embodiments of the present invention using a single information processing device (computer) will be described. Note that the radio wave information output device may be realized using at least two information processing devices physically or functionally. Further, the radio wave information output device may be realized as a dedicated device. Also, only some functions of the radio wave information output device may be realized using an information processing device.

[0116] FIG. 11 is a diagram schematically showing a hardware configuration example of an information processing device capable of realizing the radio wave information output device according to each embodiment of the present invention. The information processing device 90 includes a communication interface 91, an input / output interface 92, an arithmetic unit 93, a storage device 94, a nonvolatile storage device 95, and a drive device 96.

[0117] For example, the receiving unit 11 and the output unit 13 in FIG. 1 can be realized by the communication interface 91 and the arithmetic unit, and the collation unit 12 can be realized by the arithmetic unit 93.

[0118] The communication interface 91 is a communication means for the radio wave information output device of each embodiment to communicate with an external device by wire and / or wirelessly. Note that when the radio wave information output device is realized using at least two information processing devices, they may be connected so as to be able to communicate with each other via the communication interface 91.

[0119] The input / output interface 92 is a man-machine interface such as a keyboard as an example of an input device and a display as an output device.

[0120] The arithmetic unit 93 is realized by an arithmetic processing unit such as a general-purpose CPU (Central Processing Unit) or a microprocessor, or a plurality of electric circuits. The arithmetic unit 93 can, for example, read various programs stored in the non-volatile storage device 95 into the storage device 94 and execute processing according to the read programs.

[0121] The storage device 94 is a memory device such as a RAM (Random Access Memory) that can be referenced by the arithmetic unit 93, and stores programs, various data, and the like. The storage device 94 may be a volatile memory device.

[0122] The non-volatile storage device 95 is a non-volatile storage device such as a ROM (Read Only Memory) or a flash memory, and can store various programs, data, and the like.

[0123] The drive device 96 is a device that processes, for example, reading and writing of data to the recording medium 97 described later.

[0124] The recording medium 97 is an arbitrary recording medium capable of recording data, such as an optical disk, a magneto-optical disk, or a semiconductor flash memory.

[0125] Each embodiment of the present invention may be realized, for example, by configuring a radio wave information output device with the information processing device 90 illustrated in FIG. 11 and supplying a program capable of realizing the functions described in the above embodiments to this radio wave information output device.

[0126] In this case, the embodiments can be realized by the arithmetic unit 93 executing the program supplied to the radio wave information output device. Also, it is possible to configure not all but some of the functions of the radio wave information output device with the information processing device 90.

[0127] Furthermore, the above program may be recorded on a recording medium 97, and the radio wave information output device may be configured such that the above program is appropriately stored in the non-volatile memory device 95 at the shipping stage or the operation stage of the radio wave information output device. In this case, as the method for supplying the above program, a method of installing it in the radio wave information output device using an appropriate jig may be adopted at the manufacturing stage before shipping or at the operation stage. Also, as the method for supplying the above program, a general procedure such as a method of downloading from the outside via a communication line such as the Internet may be adopted.

[0128] Some or all of the above embodiments may be described as follows in the appended claims, but are not limited thereto.

[0129] (Appended Claim 1) Receiving means for receiving, with respect to a received radio wave that is a radio wave received by a radio wave sensor, received waveform data that is data indicating a signal waveform of the received radio wave and radio wave information; Collating means for collating whether received metadata, which is information included in the received radio wave information and is identification information of a radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for collating whether a received signal waveform, which is a signal waveform indicated by the received waveform data, matches a collation signal waveform, which is a signal waveform of a known radio wave, for the received radio wave for which the received metadata does not match any of the collation metadata; Output means for outputting unknown radio wave information, which is information regarding the unknown radio wave, for the unknown radio wave for which the received signal waveform does not match any of the collation signal waveforms; A radio wave information output device comprising the above.

[0130] (Appended Claim 2) The output means suppresses the output of known radio wave information, which is information regarding the radio wave information for known radio waves, wherein the known radio waves are the received radio waves for which the received metadata matches any of the collation metadata, or the received radio waves for which the received signal waveform matches any of the collation signal waveforms. The radio wave information output device according to Supplementary Note 1.

[0131] (Supplementary Note 3) The output means outputs known radio wave information, which is information regarding the radio wave information about known radio waves, separately from the unknown radio wave information. The known radio waves are the received radio waves whose received metadata matches any of the collation metadata, or the received radio waves whose received signal waveform matches any of the collation signal waveforms. The radio wave information output device according to Supplementary Note 1.

[0132] (Supplementary Note 4) The output means identifies a telecommunications carrier whose frequency band used in the service provided by the telecommunications carrier includes the frequency used by the unknown radio wave, and outputs the unknown radio wave information to the notification destination of the identified telecommunications carrier. The unknown radio wave information includes information about the unknown radio wave using a frequency included in the frequency band used in the service provided by the identified telecommunications carrier. The radio wave information output device according to any one of Supplementary Notes 1 to 3.

[0133] (Supplementary Note 5) The device further includes an estimation means for estimating the position of the source of the unknown radio wave. The radio wave information includes position identification information, which is information that can be used to estimate the position of the source. The estimation means estimates the position of the source of the unknown radio wave based on the position identification information. The radio wave information output device according to any one of Supplementary Notes 1 to 3.

[0134] (Supplementary Note 6) The output means outputs the unknown radio wave information to a display means for displaying an image. The unknown radio wave information is image information for causing the display means to display the image. The image includes a screen item indicating the source at the position of the source of the unknown radio wave on a map. The radio wave information output device according to Supplementary Note 5.

[0135] (Appendix 7) The output means identifies an alarm device existing within a predetermined distance from the source of the unknown radio wave, and outputs the unknown radio wave information to a notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes identification information of the alarm device existing within a predetermined distance from the source of the unknown radio wave. The alarm device performs an alarm broadcast. The radio wave information output device according to Appendix 5.

[0136] (Appendix 8) The collating means collates whether or not the received signal waveform matches the collating signal waveform based on radio wave characteristic information indicating characteristics of the signal waveform of the radio wave. The radio wave information output device according to any one of Appendices 1 to 7.

[0137] (Appendix 9) The collating means extracts the radio wave characteristic information from the received waveform data, and collates whether or not the received signal waveform matches the collating signal waveform by collating the extracted radio wave characteristic information with collating information that is the radio wave characteristic information of the collating signal waveform. The radio wave information output device according to Appendix 8.

[0138] (Appendix 10) The collating means extracts the radio wave characteristic information from the received waveform data based on an extraction model that extracts the radio wave characteristic information from the signal waveform data of the radio wave. The radio wave information output device according to Appendix 9.

[0139] (Appendix 11) The collating means collates the extracted radio wave characteristic information with the collating information based on a collating model that collates the radio wave characteristic information with the collating information. The radio wave information output device according to Appendix 9 or Appendix 10.

[0140] (Appendix 12) The matching means matches whether the received signal waveform matches the reference signal waveform based on a specific model that specifies whether the signal waveform indicated by the signal waveform data of the radio wave matches the reference signal waveform from the signal waveform data of the radio wave. The radio wave information output device according to any one of Appendices 1 to 11.

[0141] (Appendix 13) For the received radio wave that is the radio wave received by the radio wave sensor, it receives the received waveform data that is the data indicating the signal waveform of the received radio wave and the radio wave information. It collates whether the received metadata, which is the information included in the received radio wave information and is the identification information of the radio wave source, matches the collation metadata, which is the identification information of the known radio wave source. For the received radio wave in which the received metadata does not match any of the collation metadata, it collates whether the received signal waveform, which is the signal waveform indicated by the received waveform data, matches the reference signal waveform, which is the signal waveform of the known radio wave. For the unknown radio wave in which the received signal waveform does not match any of the reference signal waveforms, it outputs unknown radio wave information, which is information about the unknown radio wave. Radio wave information output method.

[0142] (Appendix 14) Suppress the output of the known radio wave information, which is information about the radio wave information of the known radio wave. The known radio wave is the received radio wave in which the received metadata matches any of the collation metadata, or the received radio wave in which the received signal waveform matches any of the reference signal waveforms. The radio wave information output method according to Appendix 13.

[0143] (Appendix 15) Output the known radio wave information, which is information about the radio wave information of the known radio wave, separately from the unknown radio wave information. The known radio wave is the received radio wave when the received metadata matches any of the collation metadata, or the received radio wave when the received signal waveform matches any of the collation signal waveforms. The radio wave information output method described in Supplementary Note 13.

[0144] (Supplementary Note 16) Identify a communications carrier whose frequency band used in the service provided by the communications carrier includes the frequency used by the unknown radio wave, and output the unknown radio wave information to the notification destination of the identified communications carrier. The unknown radio wave information includes information on the unknown radio wave using a frequency included in the frequency band used in the service provided by the identified communications carrier. The radio wave information output method according to any one of Supplementary Notes 13 to 15.

[0145] (Supplementary Note 17) Estimate the position of the source of the unknown radio wave Shi , The radio wave information includes position identification information that is information that can be used to estimate the position of the source, Estimate the position of the source of the unknown radio wave based on the position identification information. The radio wave information output method according to any one of Supplementary Notes 13 to 15.

[0146] (Supplementary Note 18) Output the unknown radio wave information to display means for displaying an image, The unknown radio wave information is image information for causing the display means to display the image, The image includes a screen item indicating the source at the position of the source of the unknown radio wave on a map. The radio wave information output method described in Supplementary Note 17.

[0147] (Supplementary Note 19) Identify an alarm device existing within a predetermined distance from the source of the unknown radio wave, and output the unknown radio wave information to the notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes the identification information of the warning device existing within a predetermined distance from the source of the unknown radio wave. The warning device performs warning broadcasts. The radio wave information output method according to Supplementary Note 17.

[0148] (Supplementary Note 20) Based on the radio wave characteristic information indicating the characteristics of the signal waveform of the radio wave, it is verified whether the received signal waveform matches the collated signal waveform. The radio wave information output method according to any one of Supplementary Notes 13 to 19.

[0149] (Supplementary Note 21) The radio wave characteristic information is extracted from the received waveform data, and by collating the extracted radio wave characteristic information with the collation information that is the radio wave characteristic information of the collated signal waveform, it is verified whether the received signal waveform matches the collated signal waveform. The radio wave information output method according to Supplementary Note 20.

[0150] (Supplementary Note 22) The extraction of the radio wave characteristic information from the received waveform data is performed based on an extraction model that extracts the radio wave characteristic information from the signal waveform data of the radio wave. The radio wave information output method according to Supplementary Note 21.

[0151] (Supplementary Note 23) The collation of the extracted radio wave characteristic information and the collation information is performed based on a collation model that collates the radio wave characteristic information and the collation information. The radio wave information output method according to Supplementary Note 21 or Supplementary Note 22.

[0152] (Supplementary Note 24) Based on a specific model that specifies whether the signal waveform indicated by the signal waveform data of the radio wave matches the collated signal waveform from the signal waveform data of the radio wave, it is verified whether the received signal waveform matches the collated signal waveform. The radio wave information output method according to any one of Supplementary Notes 13 to 23.

[0153] (Supplementary Note 25) A computer, for a received radio wave which is a radio wave received by a radio wave sensor, a receiving function for receiving received waveform data which is data indicating a signal waveform of the received radio wave and radio wave information, a collating function for collating whether or not received metadata which is information included in the received radio wave information and is identification information of a radio wave transmission source matches collation metadata which is identification information of a known radio wave transmission source, and for a received radio wave for which the received metadata does not match any of the collation metadata, collating whether or not a received signal waveform which is a signal waveform indicated by the received waveform data matches a collation signal waveform which is a signal waveform of a known radio wave, an output function for outputting unknown radio wave information which is information regarding an unknown radio wave which is a received radio wave for which the received signal waveform does not match any of the collation signal waveforms A computer-readable recording medium recording a radio wave information output program for realizing the above.

[0154] (Supplementary Note 26) The output function suppresses output of known radio wave information which is information regarding the radio wave information for known radio waves, wherein the known radio waves are received radio waves for which the received metadata matches any of the collation metadata, or received radio waves for which the received signal waveform matches any of the collation signal waveforms. A computer-readable recording medium recording the radio wave information output program described in Supplementary Note 25.

[0155] (Supplementary Note 27) The output function outputs known radio wave information which is information regarding the radio wave information for known radio waves, distinguishing it from the unknown radio wave information, wherein the known radio waves are received radio waves for which the received metadata matches any of the collation metadata, or received radio waves for which the received signal waveform matches any of the collation signal waveforms. A computer-readable recording medium recording the radio wave information output program described in Supplementary Note 25.

[0156] (Appendix 28) The output function identifies a telecommunications carrier whose frequency band used in the service provided by the telecommunications carrier includes the frequency used by the unknown radio wave, and outputs the unknown radio wave information to the notification destination of the identified telecommunications carrier. The unknown radio wave information includes information on the unknown radio wave using a frequency included in the frequency band used in the service provided by the identified telecommunications carrier. A computer-readable recording medium recording the radio wave information output program according to any one of Appendices 25 to 27.

[0157] (Appendix 29) The computer further realizes an estimation function for estimating the position of the source of the unknown radio wave. The radio wave information includes position identification information that is information that can be used to estimate the position of the source. The estimation function estimates the position of the source of the unknown radio wave based on the position identification information. A computer-readable recording medium recording the radio wave information output program according to any one of Appendices 25 to 27.

[0158] (Appendix 30) The output function outputs the unknown radio wave information to display means for displaying an image. The unknown radio wave information is image information for causing the display means to display the image. The image includes a screen item indicating the source at the position of the source of the unknown radio wave on a map. A computer-readable recording medium recording the radio wave information output program according to Appendix 29.

[0159] (Appendix 31) The output function identifies an alarm device existing within a predetermined distance from the source of the unknown radio wave, and outputs the unknown radio wave information to the notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes the identification information of the warning device existing within a predetermined distance from the source of the unknown radio wave. The warning device performs warning broadcasts. A computer-readable recording medium recording the radio wave information output program described in Supplementary Note 29.

[0160] (Supplementary Note 32) The collating function collates whether or not the received signal waveform matches the collating signal waveform based on radio wave characteristic information indicating the characteristics of the signal waveform of the radio wave. A computer-readable recording medium recording the radio wave information output program described in any one of Supplementary Notes 25 to 31.

[0161] (Supplementary Note 33) The collating function extracts the radio wave characteristic information from the received waveform data, and collates whether or not the received signal waveform matches the collating signal waveform by collating the extracted radio wave characteristic information with the collating information, which is the radio wave characteristic information of the collating signal waveform. A computer-readable recording medium recording the radio wave information output program described in Supplementary Note 32.

[0162] (Supplementary Note 34) The collating function extracts the radio wave characteristic information from the received waveform data based on an extraction model that extracts the radio wave characteristic information from the signal waveform data of the radio wave. A computer-readable recording medium recording the radio wave information output program described in Supplementary Note 33.

[0163] (Supplementary Note 35) The collating function collates the extracted radio wave characteristic information with the collating information based on a collating model that collates the radio wave characteristic information with the collating information. A computer-readable recording medium recording the radio wave information output program described in Supplementary Note 33 or Supplementary Note 34.

[0164] (Supplementary Note 36) The matching function matches whether the received signal waveform matches the reference signal waveform based on a specific model that determines whether the signal waveform indicated by the radio wave signal waveform data matches the reference signal waveform. A computer-readable recording medium recording a radio wave information output program according to any one of Appendices 25 to 35.

[0165] (Appendix 37) Receiving means for receiving, for a received radio wave that is a radio wave received by a radio wave sensor, received waveform data that is data indicating a signal waveform of the received radio wave and radio wave information; Collating means for collating whether received metadata, which is information included in the received radio wave information and is identification information of a radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for collating whether a received signal waveform, which is a signal waveform indicated by the received waveform data, matches a reference signal waveform, which is a signal waveform of a known radio wave, for the received radio wave for which the received metadata does not match any of the collation metadata; Output means for outputting unknown radio wave information, which is information about the unknown radio wave, for the unknown radio wave for which the received signal waveform does not match any of the reference signal waveforms; A radio wave information output system comprising:

[0166] The present invention has been described with reference to the embodiments above, but the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.

Explanation of Reference Numerals

[0167] 10, 20 Radio wave information output device 11, 21 Receiving unit 12, 22 Collating unit 13, 23 Output unit 24 Estimation unit 40 Monitoring system 50-i Radio wave sensor 60 Display means 70 Learning device 71 Learning data input section 72 Learning data storage section 73 Model generation section 90 Information processing device 91 Communication interface 92 Input / output interface 93 Arithmetic unit 94 Storage device 95 Non-volatile storage device 96 Drive device 97 Recording medium

Claims

1. Receiving means for receiving received waveform data, which is data indicating the signal waveform of the received radio wave, and radio wave information, for the received radio wave that is the radio wave received by the radio wave sensor; Collating means for collating whether received metadata, which is information included in the received radio wave information and is identification information of the radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for collating whether a received signal waveform, which is the signal waveform indicated by the received waveform data for the received radio wave for which the received metadata does not match any of the collation metadata, matches a collation signal waveform, which is the signal waveform of a known radio wave; Output means for outputting unknown radio wave information, which is information regarding the unknown radio wave, for the unknown radio wave for which the received signal waveform does not match any of the collation signal waveforms; Comprising: The output means identifies a telecommunications carrier whose frequency band used by the telecommunications carrier for providing services includes the frequency used by the unknown radio wave, and outputs the unknown radio wave information to the notification destination of the identified telecommunications carrier. The unknown radio wave information includes information on the unknown radio wave using a frequency included in the frequency band used by the service provided by the identified telecommunications carrier. Radio wave information output device.

2. For a received radio wave that is the radio wave received by the radio wave sensor, receiving means for receiving received waveform data, which is data indicating the signal waveform of the received radio wave, and radio wave information; Collating means for collating whether received metadata, which is information included in the received radio wave information and is identification information of the radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for collating whether a received signal waveform, which is the signal waveform indicated by the received waveform data for the received radio wave for which the received metadata does not match any of the collation metadata, matches a collation signal waveform, which is the signal waveform of a known radio wave; Estimating means for estimating the position of the transmission source of the unknown radio wave for the unknown radio wave for which the received signal waveform does not match any of the collation signal waveforms; Output means for outputting unknown radio wave information, which is information regarding the unknown radio wave; Comprising: The radio wave information includes position identification information, which is information that can be used to estimate the position of the transmission source. The estimating means estimates the position of the transmission source of the unknown radio wave based on the position identification information. The output means identifies an alarm device existing within a predetermined distance from the source of the unknown radio wave, and outputs the unknown radio wave information to a notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes identification information of the alarm device existing within a predetermined distance from the source of the unknown radio wave. The alarm device performs alarm broadcasting. Radio wave information output device.

3. The output means suppresses the output of known radio wave information, which is information regarding the radio wave information about known radio waves. The known radio waves are the received radio waves whose received metadata matches any of the collation metadata, or the received radio waves whose received signal waveform matches any of the collation signal waveforms. The radio wave information output device according to claim 1 or claim 2.

4. The output means outputs the known radio wave information, which is information regarding the radio wave information about known radio waves, separately from the unknown radio wave information. The known radio waves are the received radio waves whose received metadata matches any of the collation metadata, or the received radio waves whose received signal waveform matches any of the collation signal waveforms. The radio wave information output device according to claim 1 or claim 2.

5. For the received radio waves that are the radio waves received by the radio wave sensor, it receives the received waveform data, which is data indicating the signal waveform of the received radio waves, and the radio wave information. It collates whether the received metadata, which is the identification information of the radio wave source and is the information included in the received radio wave information, matches the collation metadata, which is the identification information of the known radio wave source. For the received radio waves for which the received metadata does not match any of the collation metadata, it collates whether the received signal waveform, which is the signal waveform indicated by the received waveform data, matches the collation signal waveform, which is the signal waveform of the known radio wave. For the unknown radio waves, which are the received radio waves for which the received signal waveform does not match any of the collation signal waveforms, it outputs the unknown radio wave information, which is information regarding the unknown radio waves. In the output of the unknown radio wave information, it identifies a communication carrier whose frequency band used by the unknown radio wave includes the frequency used by the unknown radio wave in the frequency band used by the service provided by the communication carrier, and outputs the unknown radio wave information to the notification destination of the identified communication carrier. The unknown radio wave information includes information about the unknown radio wave that uses a frequency included in the frequency band used by the service provided by the identified communication carrier. Radio wave information output method.

6. For the received radio wave which is the radio wave received by the radio wave sensor, receive the received waveform data which is the data indicating the signal waveform of the received radio wave and the radio wave information, Check whether the received metadata which is the information included in the received radio wave information and is the identification information of the radio wave source matches the collation metadata which is the identification information of the known radio wave source, For the received radio wave where the received metadata does not match any of the collation metadata, check whether the received signal waveform which is the signal waveform indicated by the received waveform data matches the collation signal waveform which is the signal waveform of the known radio wave, For the unknown radio wave which is the received radio wave where the received signal waveform does not match any of the collation signal waveforms, estimate the position of the source of the unknown radio wave, Output the unknown radio wave information which is the information about the unknown radio wave, The radio wave information includes position identification information which is information that can be used for estimating the position of the source, In the estimation of the position of the source of the unknown radio wave, estimate the position of the source of the unknown radio wave based on the position identification information, In the output of the unknown radio wave information, identify the warning device existing within a predetermined distance from the source of the unknown radio wave, and output the unknown radio wave information to the notification destination of the warning management device that manages the identified warning device, The unknown radio wave information includes the identification information of the warning device existing within a predetermined distance from the source of the unknown radio wave, The warning device performs warning broadcasts. Radio wave information output method.

7. On a computer, For the received radio wave which is the radio wave received by the radio wave sensor, a receiving function for receiving the received waveform data which is the data indicating the signal waveform of the received radio wave and the radio wave information, A collation function for checking whether the received metadata which is the information included in the received radio wave information and is the identification information of the radio wave source matches the collation metadata which is the identification information of the known radio wave source, and for the received radio wave where the received metadata does not match any of the collation metadata, checking whether the received signal waveform which is the signal waveform indicated by the received waveform data matches the collation signal waveform which is the signal waveform of the known radio wave, An output function for outputting the unknown radio wave information which is the information about the unknown radio wave for the received radio wave where the received signal waveform does not match any of the collation signal waveforms To be realized, The output function identifies a telecommunications carrier whose frequency band used in the service provided by the telecommunications carrier includes the frequency used by the unknown radio wave, and outputs the unknown radio wave information to the notification destination of the identified telecommunications carrier. The unknown radio wave information includes information on the unknown radio wave using a frequency included in the frequency band used in the service provided by the identified telecommunications carrier. Radio wave information output program.

8. On a computer, a receiving function that receives received waveform data, which is data indicating the signal waveform of the received radio wave, and radio wave information for the received radio wave that is the radio wave received by the radio wave sensor; a collating function that collates whether received metadata, which is information included in the received radio wave information and is identification information of the radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for the received radio wave for which the received metadata does not match any of the collation metadata, collates whether the received signal waveform, which is the signal waveform indicated by the received waveform data, matches a collation signal waveform, which is the signal waveform of a known radio wave; an estimation function that estimates the position of the transmission source of the unknown radio wave, which is the received radio wave for which the received signal waveform does not match any of the collation signal waveforms; and an output function that outputs unknown radio wave information, which is information about the unknown radio wave. to be realized, The radio wave information includes position identification information, which is information that can be used to estimate the position of the transmission source. The estimation function estimates the position of the transmission source of the unknown radio wave based on the position identification information. The output function identifies an alarm device existing within a predetermined distance from the transmission source of the unknown radio wave, and outputs the unknown radio wave information to the notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes identification information of the alarm device existing within a predetermined distance from the transmission source of the unknown radio wave. The alarm device performs an alarm broadcast. Radio wave information output program.

9. Receiving means for receiving received waveform data, which is data indicating the signal waveform of the received radio wave, and radio wave information for the received radio wave that is the radio wave received by the radio wave sensor. Collation means for collating whether reception metadata, which is information included in the received radio wave information and is identification information of the radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for collating whether a received signal waveform, which is a signal waveform indicated by the received waveform data, matches a collation signal waveform, which is a signal waveform of a known radio wave, for the received radio wave for which the reception metadata does not match any of the collation metadata. Output means for outputting unknown radio wave information, which is information regarding the unknown radio wave that is the received radio wave for which the received signal waveform does not match any of the collation signal waveforms. Comprising: The output means identifies a telecommunications carrier in whose frequency band used in services provided by the telecommunications carrier the frequency used by the unknown radio wave is included, and outputs the unknown radio wave information to the notification destination of the identified telecommunications carrier. The unknown radio wave information includes information on the unknown radio wave that uses a frequency included in a frequency band used in services provided by the identified telecommunications carrier. Radio wave information output system.

10. A receiving means for receiving received waveform data, which is data indicating the signal waveform of a received radio wave that is a radio wave received by a radio wave sensor, and radio wave information; Collation means for collating whether reception metadata, which is information included in the received radio wave information and is identification information of the radio wave transmission source, matches collation metadata, which is identification information of a known radio wave transmission source, and for collating whether a received signal waveform, which is a signal waveform indicated by the received waveform data, matches a collation signal waveform, which is a signal waveform of a known radio wave, for the received radio wave for which the reception metadata does not match any of the collation metadata. Estimation means for estimating the position of the transmission source of the unknown radio wave, which is the received radio wave for which the received signal waveform does not match any of the collation signal waveforms. Output means for outputting unknown radio wave information, which is information regarding the unknown radio wave. Comprising: The radio wave information includes position specifying information, which is information that can be used for estimating the position of the transmission source. The estimation means estimates the position of the transmission source of the unknown radio wave based on the position specifying information. The output means identifies an alarm device existing within a predetermined distance from the transmission source of the unknown radio wave, and outputs the unknown radio wave information to the notification destination of an alarm management device that manages the identified alarm device. The unknown radio wave information includes the identification information of the warning device existing within a predetermined distance from the source of the unknown radio wave. The warning device performs warning broadcasts. A radio wave information output system.

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