JP7597119B2 - Radio wave information processing device, radio wave information processing method, and radio wave information processing program - Google Patents

Description

The present invention relates to a radio wave information processing device, a radio wave information processing system, a radio wave information processing method, and a recording medium.

Devices with wireless communication capabilities, such as smartphones and mobile phones, transmit radio waves when performing wireless communication. Patent Document 1 describes the following. That is, Patent Document 1 describes that when a radio wave monitor node detects radio waves transmitted from a device, it observes various features that characterize the radio waves and inputs information indicating the observation results to an information processing device. Here, the various features that characterize the radio waves included in the information indicating the observation results are, for example, information indicating identification information such as electric field strength and a MAC (Media Access Control) address.

Patent Document 2 also describes that a receiving device acquires a MAC header from a received signal based on the received radio waves, and determines whether the received radio waves are radio waves transmitted from a transmitter based on the information in the MAC header. In this method, a monitoring device that receives radio waves selectively uses, based on the determination result by the receiving device, received signals generated from the received radio waves, which are generated from the radio waves transmitted from the transmitter, to monitor human movements in a specified area.

International Publication No. 2017/026155 JP 2015-203998 A

However, in the method described in Patent Document 1, even if a radio wave is received for which information indicating the observation results has already been stored, the radio wave monitor node inputs the information indicating the observation results to an information processing device when it detects the radio wave, and the information indicating the observation results ends up being stored. In this way, if the radio wave monitor node is configured to store information indicating the observation results every time it detects a radio wave, this puts a strain on the capacity of the storage device in which the information indicating the observation results is stored.

In addition, in the method described in Patent Document 2, the received signal is stored each time the monitoring device receives radio waves, which puts a strain on the capacity of the storage device in which the received signals are stored.

The object of the present invention is to provide a radio wave information processing device, system, method and recording medium that makes it possible to reduce the strain on the capacity of a storage device in which information obtained from a radio wave sensor is stored.

In one aspect of the present invention, a radio wave information processing device includes a receiving means for receiving radio wave information indicating radio waves received by a radio wave sensor, a processing means for performing an extraction process for extracting radio wave characteristic information including information on the characteristic quantities of the radio waves from the radio wave information and a storage process for storing the radio wave characteristic information extracted by the extraction process in a database, and a control means for causing the processing means to execute the storage process when notified of the occurrence of an event by a detection device that detects the event.

In another aspect of the present invention, the radio wave information processing method includes receiving radio wave information indicating radio waves received by a radio wave sensor, performing an extraction process to extract radio wave characteristic information including information on the characteristics of the radio waves from the radio wave information, and performing a storage process to store the radio wave characteristic information extracted by the extraction process in a database, the storage process being executed when a detection device that detects the event notifies the occurrence of an event.

In another aspect of the present invention, a radio wave information processing program recorded on a computer-readable recording medium provides a computer with a receiving function for receiving radio wave information indicating radio waves received by a radio wave sensor, an extraction process for extracting radio wave characteristic information including information on the characteristics of the radio waves from the radio wave information, and a processing function for performing a storage process for storing the radio wave characteristic information extracted by the extraction process in a database, and a control function for causing the processing function to execute the storage process when notified of the occurrence of an event by a detection device that detects the event.

The radio wave information processing device, system, method, and recording medium of the present invention make it possible to reduce the strain on the capacity of the storage device in which information obtained from the radio wave sensor is stored.

1 is a block diagram showing an example of the configuration of a radio wave information processing device according to a first embodiment of the present invention; 5 is a flowchart showing an example of the operation of the radio wave information processing device according to the first embodiment of the present invention. FIG. 11 is a block diagram showing an example of the configuration of a radio wave information processing system according to a second embodiment of the present invention. FIG. 11 is a sequence diagram showing an example of the operation of the radio wave information processing system according to the second embodiment of the present invention. 10 is a flowchart showing an example of the operation of the radio wave information processing device according to the second embodiment of the present invention. 10 is a flowchart showing an example of the operation of the radio wave information processing device according to the second embodiment of the present invention. 10 is a flowchart showing an example of the operation of the radio wave information processing device according to the second embodiment of the present invention. FIG. 13 is a block diagram showing an example of the configuration of a radio wave information processing system according to a third embodiment of the present invention. FIG. 11 is a sequence diagram showing an example of the operation of the radio wave information processing system according to the third embodiment of the present invention. 13 is a flowchart showing an example of the operation of the radio wave information processing device according to the third embodiment of the present invention. FIG. 2 is a block diagram showing an example of a hardware configuration according to each embodiment of the present invention.

[First embodiment]
A first embodiment of the present invention will be described.

Figure 1 is a block diagram showing an example of the configuration of a radio wave information processing device 1 of this embodiment. The radio wave information processing device 1 of this embodiment includes a receiving unit 11, a processing unit 12, and a control unit 13.

The receiving unit 11 receives radio wave information indicating radio waves received by a radio wave sensor (not shown). For example, the radio wave information is information indicating a signal waveform of the radio waves. The radio wave sensor may be built into the radio wave information processing device 1.

The processing unit 12 performs an extraction process to extract radio wave characteristic information including information on the characteristic quantities of radio waves from the radio wave information. The processing unit 12 also performs a storage process to store the radio wave characteristic information extracted in the extraction process in a database.

Examples of radio wave features include features based on modulation errors obtained by modulation analysis, features based on the time waveform of radio waves, etc. In addition, examples of radio wave features include the transients (rise and fall) of the received signal, the power spectrum density of the preamble portion, the error vector magnitude (EVM), the IQ (in-phase and quadrature) phase error, the IQ imbalance amount, the frequency offset, or the symbol clock error.

When the control unit 13 is notified of the occurrence of an event by a detection device (not shown) that detects the event, it causes the processing unit 12 to execute a storage process.

In this way, the radio wave information processing device 1 receives radio wave information indicating the radio waves received by the radio wave sensor. The radio wave information processing device 1 also performs an extraction process to extract radio wave characteristic information from the radio wave information, and a storage process to store the radio wave characteristic information extracted in the extraction process in a database. The radio wave information processing device 1 also performs the above-mentioned storage process when notified of the occurrence of an event from the detection device. As a result, when an event occurs, the radio wave information processing device 1 performs a storage process to store the radio wave characteristic information in the database, so that when an event does not occur, the radio wave information processing device 1 can prevent the radio wave characteristic information from being stored in the database. This makes it possible to reduce pressure on the capacity of the storage device in which the information obtained from the radio wave sensor is stored.

Next, an example of the operation of the radio wave information processing device 1 of this embodiment will be described with reference to Figure 2. Figure 2 is a flowchart showing an example of the operation of the radio wave information processing device 1.

The receiving unit 11 receives radio wave information indicating the radio waves received by the radio wave sensor (step S101).

The control unit 13 causes the processing unit 12, which performs an extraction process to extract radio wave characteristic information from radio wave information and a storage process to store the radio wave characteristic information extracted by the extraction process in a database, to execute a storage process when notified of the occurrence of an event by the detection device (step S102).

In this way, when an event occurs, the radio wave information processing device 1 executes a storage process to store the radio wave characteristic information in the database, so that when no event occurs, the radio wave information processing device 1 can avoid storing the radio wave characteristic information in the database. This makes it possible to reduce pressure on the capacity of the storage device in which information obtained from the radio wave sensor is stored.

[Second embodiment]
Next, a radio wave information processing device 4 according to a second embodiment of the present invention will be specifically described. The second embodiment differs from the radio wave information processing device 1 according to the first embodiment in that the radio wave information processing device 4 is connected to a matching device 6 and includes a matching unit 44 connected to a processing unit 42.

With reference to Figure 3, an example of the configuration of the radio wave information processing system of this embodiment will be described. Figure 3 is a block diagram showing an example of the configuration of the radio wave information processing system of this embodiment. The radio wave information processing system of this embodiment includes a radio wave information processing device 4 and a radio wave sensor 3. In addition, a detection device 2, a storage device 5, and a matching device 6 are connected to the radio wave information processing device 4 by wired communication or wireless communication.

The detection device 2 detects an event. When the detection device 2 detects an event, it notifies the radio wave information processing device 4 of the occurrence of the event. The detection device 2 is, for example, a sensor installed in a store or a monitoring device that monitors people's behavior. Examples of sensors installed in a store include, but are not limited to, a human presence sensor and a load sensor. The number of detection devices is one or any number of more than two. When multiple detection devices 2 are connected to the radio wave information processing device 4, the multiple detection devices 2 included in the radio wave information processing system may be composed of detection devices 2 that detect the same event, or may be composed of detection devices 2 that detect different events. The detection device 2 may be built into the radio wave information processing device 4.

We will now explain the detection device 2 in detail. Here, we will explain the cases where the detection device 2 detects the following events as examples: "presence of a person," "opening and closing of a door," "reduction in load," and "suspicious person."

First, let us assume that the detection device 2 is, for example, a human presence sensor. When the detection device 2 detects the presence of a person, it notifies the radio wave information processing device 4 of the occurrence of an event. Furthermore, let us assume that the detection device 2 is, for example, a sensor that detects the opening and closing of a door. When the detection device 2 detects the opening and closing of a door, it notifies the radio wave information processing device 4 of the occurrence of an event. Furthermore, let us assume that the detection device 2 is, for example, a load sensor installed on a product shelf. When the detection device 2 detects a decrease in the load on the product shelf, it notifies the radio wave information processing device 4 of the occurrence of an event. For example, when a customer lifts a product off the product shelf, the load on the product shelf decreases.

For example, the detection device 2 is a surveillance device that monitors the behavior of a person. The surveillance device is connected to the imaging device by wired or wireless communication. The imaging device is, for example, a surveillance camera installed inside or outside a store. The detection device 2 detects a person behaving suspiciously based on an image input from the imaging device. For example, the detection device 2 detects a person behaving suspiciously as follows. First, the detection device 2 detects information indicating the behavior of the person shown in the image from the image. Furthermore, the detection device 2 determines whether the information indicating the detected person's behavior is similar to information indicating suspicious behavior that is pre-stored in the detection device 2. If the information indicating the detected person's behavior is similar to information indicating suspicious behavior, the detection device 2 notifies the radio wave information processing device 4 of the occurrence of an event.

The radio wave sensor 3 inputs radio wave information indicating the radio waves received by the radio wave sensor 3 to the radio wave information processing device 4. The radio wave information is information indicating the signal waveform of the radio waves. The radio wave information includes at least information indicating the intensity of the radio waves, among information indicating the phase, intensity, and frequency of the radio waves. The radio wave sensor 3 is, for example, a spectrum analyzer. The number of radio wave sensors is arbitrary, being one or more than two. The radio wave sensor 3 may be built into the radio wave information processing device 4. The radio wave sensor 3 may also have the function of the processing unit 42 of the radio wave information processing device 4 described later. When the radio wave sensor 3 has the function of the processing unit 42 of the radio wave information processing device 4, the radio wave sensor 3 may input radio wave characteristic information including information on the characteristic amount of the radio waves extracted from the radio wave information to the radio wave information processing device 4.

The radio wave information processing device 4 receives radio wave information from the radio wave sensor 3. When the radio wave information processing device 4 is notified of the occurrence of an event from the detection device 2, it executes a storage process described below. The radio wave information processing device 4 performs an extraction process to extract radio wave characteristic information including information on the characteristic amount of radio waves from the radio wave information. The radio wave information processing device 4 also performs a storage process to store the radio wave characteristic information extracted in the extraction process in the radio wave characteristic information database of the storage device 5. The radio wave information processing device 4 of this embodiment performs an extraction process when notified of the occurrence of an event from the detection device 2, and then performs a storage process. Note that the radio wave information processing device 4 may perform the extraction process at the timing when radio wave information is input from the radio wave sensor 3, and perform the storage process when notified of the occurrence of an event from the detection device 2. The case where the extraction process is performed at the timing when radio wave information is input from the radio wave sensor 3 will be described in a modified example of this embodiment.

Although devices that transmit radio waves are manufactured to meet predetermined communication standards, there are minute individual differences due to variations in analog circuits, etc. Therefore, radio waves have features that allow each device to be identified based on the individual differences of the transmitting device. Examples of radio wave features include features based on modulation errors obtained by modulation analysis and features based on the time waveform of radio waves. Other examples of radio wave features include the transients (rise and fall) of the received signal, the power spectral density of the preamble portion, the error vector amplitude, the IQ phase error, the IQ imbalance amount, the frequency offset, or the symbol clock error.

The radio wave information processing device 4 of this embodiment extracts at least one or more types of single or multiple radio wave features from the radio wave information. Furthermore, the radio wave feature information includes at least one or more types of single or multiple radio wave features.

A database is stored in the storage device 5. The storage device 5 of this embodiment stores a radio wave characteristic information database. Radio wave characteristic information is stored in the radio wave characteristic information database by the radio wave information processing device 4. The radio wave characteristic information database of this embodiment associates event information indicating an event, reception time information of radio wave information related to the event, and radio wave characteristic information extracted from the radio wave information related to the event. The reception time information is information indicating the time when the radio wave information processing device 4 received the radio wave information from the radio wave sensor 3. Note that the radio wave characteristic information may be associated with either the reception time information or the event information.

The storage device 5 may further store a personal information database. In the personal information database, personal information, which is information indicating a person, and radio wave characteristic information related to the person are stored in advance in association with each other. Specifically, the radio wave characteristic information related to a person is radio wave characteristic information extracted from radio wave information of radio waves output by a terminal carried by the person. The personal information is, for example, information that can identify the person, such as the person's name.

The matching device 6 has the function of the radio wave sensor 3, which is to generate radio wave information indicating the received radio waves. The matching device 6 receives radio waves. Furthermore, the matching device 6 inputs radio wave information indicating the received radio waves to the radio wave information processing device 4. The radio wave information generated by the matching device 6 is hereinafter referred to as matching radio wave information. Radio wave characteristic information extracted from the matching radio wave information is the subject of matching by the radio wave information processing device 4, which will be described later. For example, the matching radio wave information is radio wave information generated from radio waves output by a specified terminal. The matching device 6 may be equipped with a directional antenna that has high radio wave reception sensitivity in a specific direction. When the matching device 6 is equipped with a directional antenna, the matching device 6 can receive radio waves from a terminal in a specified direction with greater sensitivity. In addition, the matching device 6 may be a device different from the radio wave sensor 3, or may be the radio wave sensor 3.

The matching device 6 may have the functions of the receiving unit 41, processing unit 42, and matching unit 44 of the radio wave information processing device 4 described later, and may be connected to the storage device 5. The matching device 6 may not be connected to the radio wave information processing device 4. A case will be described in which the matching device 6 has the functions of the receiving unit 41, processing unit 42, and matching unit 44 of the radio wave information processing device 4 described later, and is connected to the storage device 5. The matching device 6 receives radio waves and generates radio wave information. Furthermore, the matching device 6 performs a process of extracting radio wave characteristic information from the radio wave information, and further performs a matching process of the matching unit 44 of the radio wave information processing device 4 described later.

Next, the configuration of the radio wave information processing device 4 of this embodiment will be described in detail with reference to Figure 3. The radio wave information processing device 4 includes a receiving unit 41, a processing unit 42, and a control unit 43.

The receiving unit 41 receives radio wave information from the radio wave sensor 3. When the receiving unit 41 is notified of the occurrence of an event by the detection device 2, it requests the control unit 43 to input control information instructing the processing unit 42 to execute an extraction process. The receiving unit 41 also inputs to the processing unit 42 the radio wave information received after being notified of the occurrence of an event by the detection device 2, reception time information indicating the time when the receiving unit 41 received the radio wave information, and event information indicating an event that occurred before the radio wave information was received, in association with each other.

In addition, the receiving unit 41 receives matching radio information, which is radio information generated by the matching device 6, from the matching device 6. When the receiving unit 41 receives the matching radio information from the matching device 6, the receiving unit 41 inputs the matching radio information to the processing unit 42.

The radio wave information processing device 4 may identify the event information using an event correspondence table in which the identification information of the detection device 2 is associated with the event information of the event detected by the detection device 2. The identification information is information capable of identifying each of the detection devices 2. For example, the identification information is an identifier or a MAC address that is preset for each of the detection devices 2. The event correspondence table is stored in a predetermined storage unit of the radio wave information processing device 4. When the radio wave information processing device 4 uses the event correspondence table, the receiving unit 41 may identify the event information of the event detected by the detection device 2 that notified the occurrence of the event based on the identification information of the detection device 2 that notified the occurrence of the event and the event correspondence table.

The processing unit 42 receives radio wave information, reception time information, and event information from the receiving unit 41. Furthermore, the processing unit 42 receives control information from the control unit 43, which instructs the processing unit 42 to execute an extraction process. When the control information instructs the processing unit 42 to execute an extraction process is input, and when the processing unit 42 receives radio wave information, reception time information, and event information, the processing unit 42 performs an extraction process to extract radio wave characteristic information from the radio wave information. There are, for example, the following two methods for extracting radio wave characteristic information from radio wave information. In addition to these methods, any method can be used to extract radio wave characteristic information from radio wave information.
(1) Extraction rules are defined in advance to indicate which features are to be extracted from the radio wave information as the radio wave characteristic information. The processing unit 42 extracts the radio wave characteristic information from the radio wave information in accordance with the extraction rules.
(2) Machine learning is used to extract radio wave characteristic information. When machine learning is used to extract radio wave characteristic information, the radio wave information processing device 4 has a model generation function. The learning data includes, for example, radio wave information of radio waves output from various terminals. The learning data also includes information indicating, for each piece of radio wave information, from which terminal the radio wave information was generated. The radio wave information processing device 4 generates an extraction model that extracts radio wave characteristic information that makes it possible to distinguish individual terminals based on the learning data. Then, the processing unit 42 uses the generated extraction model to extract radio wave characteristic information from the radio wave information. The input to the extraction model is the radio wave information received by the receiving unit 41. The output from the extraction model is the radio wave characteristic information extracted from the radio wave information.

Furthermore, the processing unit 42 performs a storage process for associating the extracted radio wave characteristic information, reception time information of the radio wave information from which the radio wave characteristic information was extracted, and event information of an event that occurred before the reception of the radio wave information, and storing them in the radio wave characteristic information database of the storage device 5. The processing unit 42 may associate the radio wave characteristic information with either the reception time information or the event information.

The processing unit 42 regards radio wave characteristic information that has been stored in the radio wave characteristic information database for a predetermined period of time and an area in which information associated with the radio wave characteristic information is stored as free space. The processing unit 42 overwrites and stores the extracted radio wave characteristic information, reception time information of the radio wave information from which the radio wave characteristic information was extracted, and event information of an event that occurred before the radio wave information was received in the free space of the radio wave characteristic information database or the area regarded as free space. The processing unit 42 may regard radio wave characteristic information that has been stored in the radio wave characteristic information database for a predetermined period of time and information associated with the radio wave characteristic information as deletable from the radio wave characteristic information database.

Furthermore, matching radio wave information is input to the processing unit 42 from the receiving unit 41. When matching radio wave information is input, the processing unit 42 performs a process of extracting radio wave characteristic information from the matching radio wave information. Furthermore, the processing unit 42 inputs the radio wave characteristic information extracted from the matching radio wave information to the matching unit 44. The radio wave characteristic information extracted from the matching radio wave information is hereinafter referred to as matching radio wave characteristic information.

When the control unit 43 is notified of the occurrence of an event by the detection device 2, it causes the processing unit 42 to execute a storage process that stores the radio wave characteristic information extracted by the extraction process by the processing unit 42 in a database. Specifically, when a request is made to input control information instructing the execution of the extraction process to the processing unit 42, the control unit 43 inputs control information instructing the execution of the extraction process to the processing unit 42. When the control unit 43 is notified of the occurrence of an event by the detection device 2, the control unit 43 of this embodiment causes the processing unit 42 to execute an extraction process that extracts the radio wave characteristic information from the radio wave information. The control unit 43 causes the processing unit 42 to execute the extraction process, thereby causing the processing unit 42 to execute a storage process that stores the radio wave characteristic information extracted by the extraction process in the radio wave characteristic information database of the storage device 5.

The matching unit 44 is connected to the processing unit 42. The matching unit 44 matches the radio wave characteristic information stored in the radio wave characteristic information database of the storage device 5 with the matched radio wave characteristic information.

Specifically, the matching unit 44 receives matching radio wave characteristic information from the processing unit 42. The matching unit 44 matches the matching radio wave characteristic information with the radio wave characteristic information stored in the radio wave characteristic information database of the storage device 5. There are, for example, the following two methods for matching the matching radio wave characteristic information with the radio wave characteristic information stored in the radio wave characteristic information database. Note that in addition to these methods, any method can be used for matching the radio wave characteristic information.
(A) Check whether the radio wave characteristic information stored in the radio wave characteristic information database contains radio wave characteristic information whose similarity to the matching radio wave characteristic information is equal to or greater than a predetermined value. As a result of the check, the check unit 44 identifies event information and reception time information associated with the radio wave characteristic information stored in the radio wave characteristic information database whose similarity to the matching radio wave characteristic information is equal to or greater than a predetermined value. If there is no radio wave characteristic information stored in the radio wave characteristic information database whose similarity to the matching radio wave characteristic information is equal to or greater than a predetermined value, the check unit 44 outputs a message to that effect. Any method may be used to calculate the similarity.
(B) Machine learning is used to match radio wave characteristic information.

Method (B) will now be described in detail. When method (B) is used, the radio wave information processing device 4 is equipped with a model generation function.

The learning data includes, for example, radio wave characteristic information extracted from radio wave information of radio waves output from various terminals. The radio wave characteristic information included in the learning data is associated with event information and reception time information. The radio wave characteristic information used as the learning data includes radio wave characteristic information for comparison. The learning data also includes information indicating whether the event information and reception time information are associated with the radio wave characteristic information for comparison.

The radio wave information processing device 4 generates a matching model based on the learning data, which outputs event information and reception time information associated with the radio wave characteristic information for matching when the radio wave characteristic information for matching is input.

The matching model matches the input radio wave characteristic information with the radio wave characteristic information stored in the radio wave characteristic information database. Specifically, the matching model identifies event information and reception time information associated with radio wave characteristic information stored in the radio wave characteristic information database whose similarity to the input radio wave characteristic information is equal to or greater than a predetermined value. The input to the matching model is the matching radio wave characteristic information. The output from the matching model is event information and reception time information associated with radio wave characteristic information stored in the radio wave characteristic information database whose similarity to the matching radio wave characteristic information is equal to or greater than a predetermined value. If there is no radio wave characteristic information stored in the radio wave characteristic information database whose similarity to the input matching radio wave characteristic information is equal to or greater than a predetermined value, the matching model outputs a message to that effect.

In the method (A), when the matching radio wave characteristic information and the radio wave characteristic information stored in the radio wave characteristic information database contain multiple types of features, the matching unit 44 may perform the following operation. That is, the matching unit 44 identifies features for which data exists in both the matching radio wave characteristic information and the radio wave characteristic information stored in the radio wave characteristic information database. The matching unit 44 performs the above-mentioned matching using the identified features.

Furthermore, if a personal information database is stored in the storage device 5, the radio wave characteristic information stored in the personal information database is further compared with the matching radio wave characteristic information. In this case, similar to the process of comparing the radio wave characteristic information stored in the radio wave characteristic information database with the matching radio wave characteristic information, the matching unit 44 compares the radio wave characteristic information stored in the personal information database with the matching radio wave characteristic information. Furthermore, as a result of the comparison, the matching unit 44 identifies personal information associated with the radio wave characteristic information stored in the personal information database whose similarity with the matching radio wave characteristic information is equal to or greater than a predetermined value.

The matching unit 44 outputs the result of the above-mentioned matching to a specified output device. For example, the matching unit 44 outputs an image including the identified event information and reception time information to the output device. If the matching device 6 has a display unit, the matching unit 44 may display an image including the identified event information and reception time information on the display unit of the matching device 6.

In this way, the radio wave information processing device 4 receives radio wave information indicating the radio waves received by the radio wave sensor 3. The radio wave information processing device 4 also performs an extraction process to extract radio wave characteristic information from the radio wave information, and a storage process to store the radio wave characteristic information extracted in the extraction process in a database. The radio wave information processing device 4 also performs the above-mentioned storage process when notified of the occurrence of an event by the detection device 2. As a result, when an event occurs, the radio wave information processing device 4 performs a storage process to store the radio wave characteristic information in the database, so that the radio wave information processing device 4 can prevent the radio wave characteristic information from being stored in the database when an event does not occur. This makes it possible to reduce pressure on the capacity of the storage device 5 in which the information obtained from the radio wave sensor 3 is stored.

Next, an example of the operation of the radio wave information processing system of this embodiment will be described with reference to Figures 4 to 7. Figure 4 is a sequence diagram showing an example of the operation of the radio wave information processing system. Figures 5 to 7 are flowcharts showing an example of the operation of the radio wave information processing device 4.

First, referring to Figure 4, we will explain the operation in which the detection device 2 detects an event and the radio wave information processing device 4 stores the radio wave characteristic information in the radio wave characteristic information database of the storage device 5.

The radio wave sensor 3 periodically inputs radio wave information indicating the radio waves received by the radio wave sensor 3 to the radio wave information processing device 4.

When the detection device 2 detects an event, it notifies the radio information processing device 4 of the occurrence of the event (step S201).

The radio wave information processing device 4 performs an extraction process to extract radio wave characteristic information from the radio wave information (step S202). The radio wave information processing device 4 performs a storage process to store the radio wave characteristic information extracted in the extraction process in the radio wave characteristic information database of the storage device 5 (step S203).

Next, an example of operation of the radio wave information processing device 4 will be described with reference to Figures 5 to 7.

First, the operation of the receiver 41 of the radio wave information processing device 4 when the occurrence of an event is not notified will be described with reference to Fig. 5. The operation of the receiver 41, processor 42, and controller 43 of the radio wave information processing device 4 when the occurrence of an event is notified will be described later with reference to Fig. 6.

The receiving unit 41 receives radio wave information from the radio wave sensor 3 (step S301). In this embodiment, the radio wave sensor 3 periodically inputs the radio wave information to the radio wave information processing device 4.

Next, the operation of the receiver 41, processor 42, and controller 43 of the radio wave information processing device 4 when notified of the occurrence of an event will be described with reference to Fig. 6. The operation in Fig. 6 details the operation of steps S202 and S203 in Fig. 4.

When the receiving unit 41 is notified of the occurrence of an event by the detection device 2 (step S401, YES), it requests the control unit 43 to input control information instructing the processing unit 42 to execute an extraction process. In addition, the receiving unit 41 inputs to the processing unit 42 the radio wave information received after being notified of the occurrence of an event by the detection device 2, reception time information indicating the time when the receiving unit 41 received the radio wave information, and event information indicating an event that occurred before receiving the radio wave information, in association with each other.

If the detection device 2 does not notify the occurrence of an event (step S401, NO), the control unit 43 does not input control information instructing the processing unit 42 to execute the extraction process. In this case, the processing unit 42 does not perform the operations of steps S402 and S403.

The control unit 43 is requested by the receiving unit 41 to input control information instructing the execution of an extraction process to the processing unit 42. When input of control information instructing the execution of an extraction process to the processing unit 42 is requested, the control unit 43 inputs the control information instructing the execution of an extraction process to the processing unit 42.

The processing unit 42 receives radio wave information, reception time information, and event information from the receiving unit 41. In addition, the processing unit 42 receives control information from the control unit 43, which instructs the processing unit 42 to execute an extraction process. When control information instructing the processing unit 42 to execute an extraction process is input, and radio wave information, reception time information, and event information are input, the processing unit 42 performs an extraction process to extract radio wave characteristic information from the radio wave information (step S402).

Furthermore, the processing unit 42 performs a storage process in which the extracted radio wave characteristic information, the reception time information of the radio wave information from which the radio wave characteristic information was extracted, and the event information of an event that occurred before the radio wave information was received are associated with each other and stored in the radio wave characteristic information database of the storage device 5 (step S403).

Finally, referring to Figure 7, the operation of the receiving unit 41, processing unit 42, and matching unit 44 of the radio wave information processing device 4 when matching the matching radio wave characteristic information extracted from the matching radio wave information with the radio wave characteristic information stored in the radio wave characteristic information database will be described.

The receiver 41 receives the matching radio wave information from the matching device 6 (step S501). The receiver 41 also inputs the matching radio wave information to the processor 42.

The processing unit 42 receives matching radio wave information from the receiving unit 41. The processing unit 42 also performs a process of extracting matching radio wave characteristic information from the matching radio wave information (step S502). The processing unit 42 inputs the matching radio wave characteristic information, which is the radio wave characteristic information extracted from the matching radio wave information, to the matching unit 44.

The matching unit 44 receives the matching radio wave characteristic information from the processing unit 42. The matching unit 44 matches the radio wave characteristic information stored in the radio wave characteristic information database of the storage device 5 with the matching radio wave characteristic information (step S503). As a result of the matching, the matching unit 44 identifies event information and reception time information associated with the radio wave characteristic information stored in the radio wave characteristic information database whose similarity with the matching radio wave characteristic information is equal to or greater than a predetermined value. Furthermore, the matching unit 44 outputs the result of the matching to a predetermined output device (step S504).

As described above, the radio wave information processing device 4 of this embodiment receives radio wave information indicating the radio waves received by the radio wave sensor 3. The radio wave information processing device 4 also performs an extraction process to extract radio wave characteristic information from the radio wave information, and a storage process to store the radio wave characteristic information extracted in the extraction process in a database. The radio wave information processing device 4 also performs the above-mentioned storage process when notified of the occurrence of an event from the detection device 2. As a result, when an event occurs, the radio wave information processing device 4 performs a storage process to store the radio wave characteristic information in the database, so that when an event does not occur, the radio wave information processing device 4 can not store the radio wave characteristic information in the database. This makes it possible to reduce the pressure on the capacity of the storage device 5 in which the information obtained from the radio wave sensor 3 is stored.

In addition, the radio wave information processing device 4 of the embodiment executes an extraction process to extract radio wave characteristic information from radio wave information when an event occurs. This makes it possible for the radio wave information processing device 4 to not extract radio wave characteristic information from radio wave information when no event occurs. This makes it possible to reduce the load of the extraction process to extract radio wave characteristic information from radio wave information. Furthermore, an increase in power consumption can be suppressed.

In addition, the radio wave information processing device 4 of this embodiment extracts at least one type of radio wave feature from the radio wave information and stores it in the radio wave feature information database of the storage device 5. When the radio wave feature information stored in the radio wave feature information database is matched with the matching radio wave feature information using multiple types of feature, it is possible to further improve the accuracy of the match.

[Modification]
A modification of the second embodiment described above will be described. The present invention can be implemented in a form different from the above-described embodiment. For example, the following modification can be applied to the present invention.

In the second embodiment, the receiving unit 41 inputs the radio wave information received after being notified of the occurrence of an event from the detection device 2 to the processing unit 42. In this modified example of the second embodiment, a case will be described in which the processing unit 42 performs extraction processing at the timing when the radio wave information is input from the radio wave sensor 3.

The receiving unit 41 receives radio wave information from the radio wave sensor 3. When radio wave information is received from the radio wave sensor 3, the receiving unit 41 associates the received radio wave information with reception time information indicating the time when the receiving unit 41 received the radio wave information, and inputs the information to the processing unit 42. In addition, when the receiving unit 41 is notified of the occurrence of an event by the detection device 2, the receiving unit 41 inputs event information of the notified event to the control unit 43.

Event information is input to the control unit 43 from the receiving unit 41. The control unit 43 inputs the input event information and control information instructing the execution of storage processing to the processing unit 42. When notified of the occurrence of an event from the detection device 2, the control unit 43 of this modified example causes the processing unit 42 to execute storage processing.

The processing unit 42 performs an extraction process to extract radio wave characteristic information from the radio wave information. Furthermore, when control information instructing the execution of a storage process is input, the processing unit 42 performs the following operation. The processing unit 42 performs a storage process to associate the extracted radio wave characteristic information, the reception time information of the radio wave information from which the radio wave characteristic information was extracted, and the event information input from the control unit 43, and store them in the radio wave characteristic information database of the storage device 5. The radio wave characteristic information in this case is the radio wave characteristic information extracted from the radio wave information input to the radio wave information processing device 4 after being notified of the occurrence of an event.

In this way, unless an event occurs, the radio wave information processing device 4 of this modified example does not store the radio wave characteristic information in the radio wave characteristic information database of the storage device 5. This makes it possible to reduce pressure on the capacity of the storage device 5 in which the information obtained from the radio wave sensor 3 is stored.

[Third embodiment]
Next, a radio wave information processing device 8 according to a third embodiment of the present invention will be specifically described. The third embodiment differs from the radio wave information processing device 4 according to the second embodiment in that, when notified of the occurrence of an event by the detection device 2, the radio wave information processing device 8 requests the radio wave sensor 7 to input radio wave information. In this embodiment, the differences from the second embodiment will be mainly described, but the various examples described in the second embodiment can also be applied.

With reference to FIG. 8, an example of the configuration of the radio wave information processing system of this embodiment will be described. FIG. 8 is a block diagram showing an example of the configuration of the radio wave information processing system of this embodiment. The radio wave information processing system of this embodiment includes a radio wave information processing device 8 and a radio wave sensor 7. In addition, the detection device 2, the storage device 5, and the matching device 6 are connected to the radio wave information processing device 8 by wired communication or wireless communication. The configurations of the detection device 2, the storage device 5, and the matching device 6 in this embodiment are similar to the configurations of the detection device 2, the storage device 5, and the matching device 6 in the second embodiment shown in FIG. 3, so the same symbols as in FIG. 3 are used for corresponding elements and their explanations are omitted.

When the radio wave sensor 7 is requested to input radio wave information, it inputs radio wave information indicating the radio waves received by the radio wave sensor 7 to the radio wave information processing device 8. When the radio wave information processing device 8 is notified by the detection device 2 that an event has occurred, the radio wave sensor 7 in this embodiment is requested by the radio wave information processing device 8 to input radio wave information.

The radio wave sensor 7 may include a measurement unit that receives radio waves and generates radio wave information indicating the received radio waves, and an operation control unit that controls the measurement unit. The operation control unit operates the measurement unit when input of radio wave information is requested. The measurement unit receives radio waves and generates radio wave information when controlled by the operation control unit. Furthermore, the radio wave sensor 7 inputs the radio wave information generated by the measurement unit to the radio wave information processing device 8. The operation control unit may put the measurement unit into a non-operating state after the radio wave information is input to the radio wave information processing device 8. Furthermore, the measurement unit may be put into a non-operating state when a predetermined time has elapsed since the generation of the radio wave information. In this way, when input of radio wave information is requested, the operation control unit operates the measurement unit to generate radio wave information. This makes it possible for the radio wave sensor 7 not to generate radio wave information when input of radio wave information is not requested. Therefore, the load of the process of receiving radio waves and generating radio wave information by the radio wave sensor 7 can be reduced. Furthermore, an increase in power consumption of the radio wave sensor 7 can be suppressed.

Furthermore, the timing at which the radio wave sensor 7 inputs radio wave information to the radio wave information processing device 8 is different from that of the radio wave sensor 3 in the second embodiment shown in Fig. 3. Except for the timing at which the radio wave information is input to the radio wave information processing device 8, the configuration of the radio wave sensor 7 is similar to the configuration of the radio wave sensor 3 in the second embodiment shown in Fig. 3, so a description thereof will be omitted.

Next, the configuration of the radio wave information processing device 8 of this embodiment will be described with reference to Figure 8. The radio wave information processing device 8 includes a receiving unit 81, a processing unit 82, and a control unit 83. The matching unit 44 is connected to the processing unit 82. The configuration of the matching unit 44 in this embodiment is similar to the configuration of the matching unit 44 in the second embodiment shown in Figure 3, so corresponding elements are given the same reference numerals as in Figure 3 and descriptions thereof will be omitted.

As with the radio wave information processing device 4 of the second embodiment, the radio wave information processing device 8 extracts radio wave characteristic information from the radio wave information input from the comparison device 6. Furthermore, the radio wave information processing device 8 compares the radio wave characteristic information extracted from the radio wave information input from the comparison device 6 with the radio wave characteristic information stored in the radio wave characteristic information database of the storage device 5, and outputs the comparison result to a specified output device. The operation of the receiving unit 81 and the processing unit 82 from extracting radio wave characteristic information from the radio wave information input from the comparison device 6 to outputting the comparison result to the output device is similar to the operation of the radio wave information processing device 4 of the second embodiment described with reference to FIG. 7, and therefore will not be described in this embodiment.

The receiving unit 81 receives radio wave information from the radio wave sensor 7. When the receiving unit 81 is notified of the occurrence of an event by the detection device 2, it requests the control unit 83 to input control information requesting the input of radio wave information to the radio wave sensor 7. The receiving unit 81 also associates the event information of the event notified of its occurrence, the received radio wave information, and reception time information of the radio wave information, and inputs them to the processing unit 82. The reception time information indicates the time at which the receiving unit 81 received the radio wave information.

The processing unit 82 receives radio wave information, reception time information, and event information from the receiving unit 81. When the radio wave information, reception time information, and event information are input from the receiving unit 81, the processing unit 82 performs an extraction process to extract radio wave characteristic information from the radio wave information. The method of extracting radio wave characteristic information from radio wave information is the same as that in the second embodiment, so a description thereof will be omitted. The processing unit 82 also performs a storage process to associate the extracted radio wave characteristic information, the reception time information of the radio wave information from which the radio wave characteristic information was extracted, and the event information of the event whose occurrence has been notified, and store them in the radio wave characteristic information database of the storage device 5. The processing unit 82 regards the area in which the radio wave characteristic information that has been stored in the radio wave characteristic information database for a predetermined period of time and the information associated with the radio wave characteristic information are stored as free areas.

When the control unit 83 is notified of the occurrence of an event by the detection device 2, it causes the processing unit 82 to execute a storage process for storing the radio wave characteristic information extracted by the extraction process by the processing unit 82 in a database. In this embodiment, the control unit 83 is requested by the receiving unit 81 to input control information requesting the input of radio wave information to the radio wave sensor 7. When the control unit 83 is requested to input control information requesting the input of radio wave information to the radio wave sensor 7, the control unit 83 inputs the control information requesting the input of radio wave information to the radio wave sensor 7. As a result, the control unit 83 requests the radio wave sensor 7 to input radio wave information to the radio wave information processing device 8.

In this embodiment, after the occurrence of an event is notified, radio wave information is input to the radio wave sensor 7. As a result, the control unit 83 in this embodiment causes the processing unit 82 to execute an extraction process to extract radio wave characteristic information from the radio wave information, and a storage process to store the radio wave characteristic information extracted in the extraction process in the radio wave characteristic information database of the storage device 5.

In this way, the radio wave information processing device 8 receives radio wave information indicating the radio waves received by the radio wave sensor 7. The radio wave information processing device 8 also performs an extraction process to extract radio wave characteristic information from the radio wave information, and a storage process to store the radio wave characteristic information extracted in the extraction process in a database. The radio wave information processing device 8 also performs the above-mentioned storage process when notified of the occurrence of an event by the detection device 2. As a result, when an event occurs, the radio wave information processing device 8 performs a storage process to store the radio wave characteristic information in the database, so that when an event does not occur, the radio wave information processing device 8 can not store the radio wave characteristic information in the database. This makes it possible to reduce pressure on the capacity of the storage device 5 in which the information obtained from the radio wave sensor 7 is stored.

Next, an example of the operation of the radio wave information processing system of this embodiment will be described with reference to Figures 9 and 10. Figure 9 is a sequence diagram showing an example of the operation of the radio wave information processing system. Figure 10 is a flowchart showing an example of the operation of the radio wave information processing device 4.

First, referring to Figure 9, we will explain the operation in which the detection device 2 detects an event and the radio wave information processing device 8 stores the radio wave characteristic information in the radio wave characteristic information database of the storage device 5.

When the detection device 2 detects an event, it notifies the radio information processing device 8 of the occurrence of the event (step S601).

The radio wave information processing device 8 requests the radio wave sensor 7 to input radio wave information (step S602).

When the radio wave sensor 7 is requested to input radio wave information, it inputs radio wave information indicating the radio waves received by the radio wave sensor 7 to the radio wave information processing device 8 (step S603).

The radio wave information processing device 8 performs an extraction process to extract radio wave characteristic information from the radio wave information (step S604). The radio wave information processing device 8 also performs a storage process to store the radio wave characteristic information extracted in the extraction process in the radio wave characteristic information database of the storage device 5 (step S605).

Next, the operations of the receiving unit 81, the processing unit 82, and the control unit 83 of the radio wave information processing device 8 will be described with reference to Fig. 10. The operations in Fig. 10 provide a detailed description of the operations of the receiving unit 81, and steps S604 and S605 in Fig. 9.

When the receiving unit 81 is notified of the occurrence of an event by the detection device 2 (step S701, YES), it requests the control unit 83 to input control information requesting the input of radio wave information to the radio wave sensor 7. When the receiving unit 81 is notified of the occurrence of an event by the detection device 2 (step S701, NO), the control unit 83 does not input control information requesting the input of radio wave information to the radio wave sensor 7. The receiving unit 81 does not perform the operation of step S702. Furthermore, the processing unit 82 does not perform the operations of steps S703 and S704. When the control unit 83 is requested to input control information requesting the input of radio wave information to the radio wave sensor 7, it inputs the control information requesting the input of radio wave information to the radio wave sensor 7.

The receiving unit 81 receives radio wave information from the radio wave sensor 7 (step S702). The receiving unit 81 also inputs to the processing unit 82 the event information of the event notified of its occurrence, the received radio wave information, and the reception time information of the radio wave information in association with each other.

The processing unit 82 performs an extraction process to extract radio wave characteristic information from the radio wave information (step S703). The processing unit 82 also performs a storage process to associate the extracted radio wave characteristic information with the reception time information of the radio wave information from which the radio wave characteristic information was extracted, and the event information of the event whose occurrence was notified, and store them in the radio wave characteristic information database of the storage device 5 (step S704).

As described above, the radio wave information processing device 8 of this embodiment receives radio wave information indicating the radio waves received by the radio wave sensor 7. The radio wave information processing device 8 also performs an extraction process to extract radio wave characteristic information from the radio wave information, and a storage process to store the radio wave characteristic information extracted in the extraction process in a database. The radio wave information processing device 8 also performs the above-mentioned storage process when notified of the occurrence of an event from the detection device 2. As a result, when an event occurs, the radio wave information processing device 8 performs a storage process to store the radio wave characteristic information in the database, so that when an event does not occur, the radio wave information processing device 8 can not store the radio wave characteristic information in the database. This makes it possible to reduce pressure on the capacity of the storage device 5 in which the information obtained from the radio wave sensor 7 is stored.

In addition, the radio wave information processing device 8 of the embodiment inputs radio wave information to the radio wave sensor 7 when an event occurs. This makes it possible for the radio wave information processing device 8 to not input radio wave information when no event has occurred. This makes it possible to reduce the processing load for extracting radio wave characteristic information. Furthermore, an increase in power consumption can be suppressed.

[Hardware configuration example]
An example of the configuration of hardware resources for implementing the radio wave information processing device (1, 4, 8) in each of the above-mentioned embodiments of the present invention using one information processing device (computer) will be described. Note that the radio wave information processing device may be implemented physically or functionally using at least two information processing devices. The radio wave information processing device may also be implemented as a dedicated device. Also, only some of the functions of the radio wave information processing device may be implemented using an information processing device.

11 is a diagram showing an example of the hardware configuration of an information processing device capable of realizing the radio wave information processing device of each embodiment of the present invention. The information processing device 9 includes a communication interface 91, an input/output interface 92, a calculation device 93, a storage device 94, a non-volatile storage device 95, and a drive device 96.

For example, the receiving unit 11 in FIG. 1 can be realized by an input/output interface 92. Also, for example, the processing unit 12 and the control unit 13 in FIG. 1 can be realized by an arithmetic device 93.

The communication interface 91 is a communication means for the radio wave information processing device of each embodiment to communicate with an external device via a wired or/and wireless connection. When the radio wave information processing device is realized using at least two information processing devices, the devices may be connected so as to be able to communicate with each other via the communication interface 91.

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.

The arithmetic unit 93 is realized by a general-purpose CPU (Central Processing Unit) or a processing device such as a microprocessor, and 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.

The storage device 94 is a memory device such as a RAM (Random Access Memory) that can be referenced by the calculation device 93, and stores programs, various data, etc. The storage device 94 may be a volatile memory device.

The non-volatile memory device 95 is, for example, a non-volatile memory device such as a ROM (Read Only Memory), a flash memory, etc., and is capable of storing various programs, data, etc.

The drive device 96 is, for example, a device that processes reading and writing data from and to the recording medium 97 described below.

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

Each embodiment of the present invention may be realized, for example, by constructing a radio wave information processing device using the information processing device 9 illustrated in FIG. 11 and supplying to this radio wave information processing device a program capable of realizing the functions described in each of the above embodiments.

In this case, the embodiment can be realized by having the computing device 93 execute a program supplied to the radio wave information processing device. It is also possible to configure some, but not all, of the functions of the radio wave information processing device in the information processing device 9.

Furthermore, the above program may be recorded on the recording medium 97, and may be configured to be stored in the non-volatile storage device 95 as appropriate at the shipping stage or operation stage of the radio wave information processing device. In this case, the method of supplying the above program may be a method of installing the program in the radio wave information processing device using an appropriate tool at the manufacturing stage before shipping or at the operation stage. The method of supplying the above program may also be a general procedure such as downloading the program from an external source via a communication line such as the Internet.

Some or all of the above embodiments may also be described as, but are not limited to, the following notes:

(Appendix 1)
A receiving means for receiving radio wave information indicating a radio wave received by the radio wave sensor;
a processing means for performing an extraction process of extracting radio wave characteristic information including information on a characteristic amount of the radio waves from the radio wave information, and a storage process of storing the radio wave characteristic information extracted by the extraction process in a database;
a control means for causing the processing means to execute the storage process when an occurrence of an event is notified from a detection device that detects the event;
A radio wave information processing device comprising:

(Appendix 2)
the radio wave information is information indicating a signal waveform of the radio wave,
The radio wave information processing device according to claim 1, wherein the radio wave characteristic information includes information on at least one type of characteristic amount of the radio waves.

(Appendix 3)
3. The radio wave information processing device according to claim 1, wherein the control means causes the radio wave sensor to output the radio wave information when notified of the occurrence of the event.

(Appendix 4)
The radio wave information processing device according to any one of claims 1 to 3, wherein the processing means associates the radio wave characteristic information extracted from the radio wave information related to the event with event information indicating the event and stores them in the database.

(Appendix 5)
The radio wave information processing device according to any one of claims 1 to 4, wherein the processing means associates reception time information indicating the time when the radio wave information was received from the radio wave sensor with the radio wave characteristic information and stores them in the database.

(Appendix 6)
The processing means further extracts the radio wave characteristic information from the radio wave information obtained from the radio waves output by a predetermined terminal,
The radio wave characteristic information stored in the database is compared with the radio wave characteristic information extracted from the radio wave information of the radio wave output by the predetermined terminal.
6. The radio wave information processing device according to claim 1 .

(Appendix 7)
A radio wave information processing device according to any one of Supplementary Note 1 to Supplementary Note 6,
The radio wave sensor;
A radio wave information processing system comprising:

(Appendix 8)
receiving radio wave information indicating the radio wave received by the radio wave sensor;
performing an extraction process of extracting radio wave characteristic information including information on a characteristic amount of the radio waves from the radio wave information, and a storage process of storing the radio wave characteristic information extracted by the extraction process in a database;
The radio wave information processing method, wherein the storage process is executed when occurrence of an event is notified from a detection device that detects the event.

(Appendix 9)
the radio wave information is information indicating a signal waveform of the radio wave,
The radio wave information processing method according to claim 8, wherein the radio wave characteristic information includes information on at least one type of characteristic amount of the radio wave.

(Appendix 10)
The radio wave information processing method according to claim 8 or 9, further comprising causing the radio wave sensor to output the radio wave information when notified of the occurrence of the event.

(Appendix 11)
The radio wave information processing method according to any one of claims 8 to 10, wherein the radio wave characteristic information extracted from the radio wave information related to the event is associated with event information indicating the event and stored in the database.

(Appendix 12)
The radio wave information processing method according to any one of claims 8 to 11, wherein reception time information indicating the time when the radio wave information was received from the radio wave sensor is associated with the radio wave characteristic information and stored in the database.

(Appendix 13)
Further extracting the radio wave characteristic information from the radio wave information obtained from the radio wave output by a predetermined terminal;
comparing the radio wave characteristic information stored in the database with the radio wave characteristic information extracted from the radio wave information of the radio wave output by the predetermined terminal;
A radio wave information processing method according to any one of Supplementary Note 8 to Supplementary Note 12.

(Appendix 14)
On the computer,
A receiving function for receiving radio wave information indicating radio waves received by the radio wave sensor;
a processing function of performing an extraction process of extracting radio wave characteristic information including information on a characteristic amount of the radio waves from the radio wave information, and performing a storage process of storing the radio wave characteristic information extracted by the extraction process in a database;
a control function that causes the processing function to execute the storage process when an occurrence of an event is notified from a detection device that detects the event;
A computer-readable recording medium having a radio wave information processing program recorded thereon to realize the above.

(Appendix 15)
the radio wave information is information indicating a signal waveform of the radio wave,
The radio wave characteristic information includes information on at least one type of characteristic amount of the radio wave.

(Appendix 16)
The control function causes the radio wave sensor to output the radio wave information when notified of the occurrence of the event.

(Appendix 17)
The processing function associates the radio wave characteristic information extracted from the radio wave information related to the event with event information indicating the event and stores them in the database. A computer-readable recording medium having a radio wave information processing program described in any one of Supplementary Note 14 to Supplementary Note 16 recorded thereon.

(Appendix 18)
The processing function associates reception time information indicating the time when the radio wave information was received from the radio wave sensor with the radio wave characteristic information and stores them in the database. A computer-readable recording medium having a radio wave information processing program described in any one of appendixes 14 to 17 recorded thereon.

(Appendix 19)
The processing function further extracts the radio wave characteristic information from the radio wave information obtained from the radio wave output by a predetermined terminal;
further realizing a comparison function of comparing the radio wave characteristic information stored in the database with the radio wave characteristic information extracted from the radio wave information of the radio wave output by the predetermined terminal;
A computer-readable recording medium having a radio wave information processing program according to any one of claims 14 to 18 recorded thereon.

Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the above-mentioned embodiments. Various modifications that can be understood by a person skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.

1, 4, 8 Radio wave information processing device 11, 41, 81 Receiving unit 12, 42, 82 Processing unit 13, 43, 83 Control unit 44 Collation unit 2 Detection device 3, 7 Radio wave sensor 5 Storage device 6 Collation device 9 Information processing device 91 Communication interface 92 Input/output interface 93 Arithmetic device 94 Storage device 95 Non-volatile storage device 96 Drive device 97 Recording medium

Claims (7)

A receiving means for receiving radio wave information indicating a radio wave received by the radio wave sensor;
a processing means for performing an extraction process of extracting radio wave characteristic information including information on a characteristic amount of the radio waves from the radio wave information, and a storage process of storing the radio wave characteristic information extracted by the extraction process in a database;
a control means for causing the processing means to execute the storage process when an occurrence of an event is notified from a detection device that detects the event;
Equipped with
The processing means further extracts the radio wave characteristic information from the radio wave information obtained from the radio wave output by a predetermined terminal,
The radio wave characteristic information stored in the database is compared with the radio wave characteristic information extracted from the radio wave information of the radio wave output by the predetermined terminal.
Radio wave information processing device. the radio wave information is information indicating a signal waveform of the radio wave,
The radio wave information processing device according to claim 1 , wherein the radio wave characteristic information includes information on at least one type of characteristic amount of the radio waves. The radio wave information processing device according to claim 1 , wherein the control means causes the radio wave sensor to output the radio wave information when notified of the occurrence of the event. The radio wave information processing device according to claim 1 , wherein the processing means stores the radio wave characteristic information extracted from the radio wave information related to the event and event information indicating the event in the database in association with each other. The radio wave information processing device according to claim 1 , wherein the processing means stores in the database reception time information, which indicates a time when the radio wave information was received from the radio wave sensor, and the radio wave characteristic information in association with each other. receiving radio wave information indicating the radio wave received by the radio wave sensor;
performing an extraction process of extracting radio wave characteristic information including information on a characteristic amount of the radio waves from the radio wave information, and a storage process of storing the radio wave characteristic information extracted by the extraction process in a database;
The storage process is executed when a detection device that detects an event notifies the occurrence of the event ,
The extraction process further extracts the radio wave characteristic information from the radio wave information obtained from the radio waves output by a predetermined terminal;
and further executing a comparison process for comparing the radio wave characteristic information stored in the database with the radio wave characteristic information extracted from the radio wave information of the radio wave output by the predetermined terminal.
Radio wave information processing method. On the computer,
A receiving function for receiving radio wave information indicating radio waves received by the radio wave sensor;
a processing function of performing an extraction process of extracting radio wave characteristic information including information on a characteristic amount of the radio waves from the radio wave information, and performing a storage process of storing the radio wave characteristic information extracted by the extraction process in a database;
a control function that causes the processing function to execute the storage process when an occurrence of an event is notified from a detection device that detects the event;
The processing function further extracts the radio wave characteristic information from the radio wave information obtained from the radio wave output by a predetermined terminal;
further realizing a comparison function of comparing the radio wave characteristic information stored in the database with the radio wave characteristic information extracted from the radio wave information of the radio wave output by the predetermined terminal;
Radio information processing program.

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