JP2022098084A - Sensing data management system, sensing data management method, sensing device, data processing device, and program - Google Patents

Abstract

To provide a sensing data management system, a sensing data management method, a sensing device, a data processing device, and a program that enable estimation of a sensing location at low cost.SOLUTION: In a sensing data management system, a sensing device SD generates a list of base stations including identification information of a plurality of connection candidate base stations to which a sensing device can perform wireless communication from among a plurality of wireless base stations arranged so as to be distributed in a service area, and send the list to a data processing device (sensing data management server SV1). On the other hand, the data processing device estimates the installation location of the sensing device on the basis of the received base station list and the installation position information of the plurality of wireless base stations acquired in advance. Then, predetermined information processing information is generated on the basis of the sensing data sent from the sensing device, and the generated information processing data is associated with the estimated information indicating the installation location of the sensing device.SELECTED DRAWING: Figure 1

Description

An embodiment of the present invention relates to a sensing data management system, a sensing data management method, a sensing device, a data processing device, and a program in which a data processing device collects and manages sensing data obtained by, for example, a sensing device via a network.

In recent years, for example, a sensing device such as a sphygmomanometer is fixedly installed in a medical institution, a fitness club, or a meeting place, and a user is requested to measure vital data such as blood pressure, and the measured vital data is collected by a server device. Then, for example, a system for generating statistical data showing the proportion of hypertensive persons has been proposed. By using such a system, for example, medical personnel can grasp the tendency of the health condition of patients and local residents and use it for various measures.

By the way, when the server device collects and manages vital data from the terminal as described above, it is necessary to specify the measurement location or source of the vital data. In order to specify these locations, for example, a GPS position sensor that acquires position information using GPS (Global Positioning System) is provided in a communication device such as a sensing device or an attached IoT device, and the GPS position sensor is used. A method of transmitting the acquired position information together with vital data to the server device is generally used (see, for example, Patent Document 1).

In addition, if it is a mobile communication system that adopts Long Time Evolution: LTE (registered trademark) as a wireless access method, the location information of the sensing device can be obtained by using the location information service (LoCation Service: LCS) function of the system. A method of acquiring the method is also conceivable (see, for example, Non-Patent Document 1).

Japanese Unexamined Patent Publication No. 2020-16995

"Further Development of LTE-LTE Release 9-", Mikio Iwamura et al., NTT DOCOMO Technical Journal Vol.18 No.1

However, providing a GPS position sensor is not preferable because it increases the cost of the sensing device or the attached communication device. Further, when the sensing device or the attached communication device is installed in a place where GPS signals cannot be received indoors, for example, there is a problem that the position information cannot be acquired.

On the other hand, when using LCS, it is not necessary to provide a GPS position sensor, but a separate usage fee is required to use LCS, and a new cost burden is incurred.

The present disclosure focuses on the above circumstances and intends to provide a technique for estimating a sensing location at low cost.

In order to solve the above problems, a first aspect of the present invention includes a sensing device used together with a communication module capable of wireless communication with a plurality of wireless base stations distributed in a service area, and the plurality of sensing devices. It relates to a sensing data management system including a data processing device that can be connected to a communication network including a wireless base station.

In this system, the sensing device includes a sensing data transmission processing unit and a base station list generation processing unit. The sensing data transmission processing unit transmits the acquired sensing data from the communication module to the data processing device via the radio base station. The base station list generation processing unit generates and generates base station list information including identification information of a connection candidate base station to which the communication module can perform the wireless communication among the plurality of wireless base stations. The base station list information is transmitted from the communication module to the data processing device via the connection candidate base station.

On the other hand, the data processing device includes a sensing data acquisition processing unit, a sensing location estimation processing unit, and an information processing data generation processing unit. The sensing data acquisition processing unit receives a plurality of the sensing data transmitted from the sensing device, and stores the plurality of received sensing data. The sensing location estimation processing unit receives the base station list information transmitted from the sensing device, and is based on the received base station list information and the installation position information of the plurality of radio base stations acquired in advance. The installation location of the sensing device is estimated. The information processing data generation processing unit performs predetermined information processing based on the plurality of sensing data stored in the first storage medium to generate information processing data, and estimates the generated information processing data. It is associated with the information indicating the installation location of the sensing device.

According to the first aspect of the present invention, in the data processing device, the installation location of the sensing device is based on the base station list information sent from the sensing device and the installation position information of the wireless base station acquired in advance. That is, it is possible to estimate the sensing location. As a result, it is not necessary to provide a GPS position sensor in the sensing device or its attached communication device, and it is not necessary to acquire position information from the LCS for a fee, so that the product cost of the sensing device or its attached communication device can be kept low. Moreover, it becomes possible to eliminate the need for using the LCS. In addition, the location of the sensing device may be any place where wireless communication with the wireless base station of the communication network is possible, and it is possible to increase the degree of freedom in the installation location of the sensing device as compared with the case of using the GPS position sensor. It becomes.

In the second aspect of the present invention, the base station list generation processing unit acquires information indicating the reception quality of the radio signal received from the connection candidate base station from the communication module, and obtains the acquired reception quality. The base station list information including the indicated information is further generated and transmitted to the data processing device, and the sensing location estimation processing unit is the connection candidate base included in the base station list information transmitted from the sensing device. Based on the station identification information and the information indicating the installation position of the connection candidate base station, the peripheral area of the connection candidate base station is estimated, and based on the information indicating the reception quality included in the base station list information. Therefore, the installation location of the sensing device in the surrounding area is estimated.

According to the second aspect of the present invention, when estimating the sensing location, the connection candidate base station is first obtained from the identification information of the connection candidate base station included in the base station list information and the installation position information of the base station. The area surrounded by the installation position is estimated, and the position of the sensing device in the area is estimated based on the reception quality from the connection candidate base station included in the base station list information. As a result, it is possible to more accurately estimate the installation location of the sensing device than in the case where the estimated area is used as the installation location of the sensing device as it is.

A third aspect of the present invention is that when the base station list generation processing unit can connect the communication module to a plurality of communication networks, the identification information of each radio base station of the plurality of communication networks is mixed. The base station list information to be included is generated and transmitted to the data processing device, and the sensing location estimation processing unit is included in the base station list information transmitted from the sensing device. The installation location of the sensing device is estimated based on the station identification information and the installation position information of each radio base station of the plurality of communication networks acquired in advance.

According to the third aspect of the present invention, even if the number of wireless base stations of the contracted communication network installed around the sensing device is small, the sensing device is installed including the wireless base station that can be a roaming destination. Since the location is estimated, it is possible to further improve the estimation accuracy of the installation location of the sensing device.

A fourth aspect of the present invention is that when the base station list generation processing unit newly generates the base station list information and then the content of the base station list information is changed, the base station is concerned. The list information is transmitted to the data processing device.

According to the fourth aspect of the present invention, since the base station list information is transmitted only when the content of the base station list information is changed, for example, the base station list information is generated each time the sensing data is transmitted. Compared to the case of transmission, it is possible to suppress an increase in communication traffic in the communication network.

Further, according to the fourth aspect of the present invention, since the base station list information is transmitted when the content changes, not only when the sensing device is newly installed, for example, the installation location of the sensing device is different. Even if the facility is changed to the same facility, or if the sensing device is mounted on a mobile inspection vehicle and travels to a different facility, the installation location of the sensing device is correctly estimated based on the changed base station list information. It becomes possible to do.

A fifth aspect of the present invention is used together with a communication module capable of wireless communication with a plurality of radio base stations distributed in a service area, and data is generated via a communication network including the plurality of radio base stations. It relates to a sensing device capable of data communication with a processing device, and the sensing device includes a sensing data transmission processing unit and a base station list generation processing unit. The sensing data transmission processing unit transmits the acquired sensing data from the communication module to the data processing device via any of the plurality of radio base stations. The base station list generation processing unit generates and generates base station list information including identification information of a connection candidate base station to which the communication module can perform the wireless communication among the plurality of wireless base stations. The base station list information is transmitted from the communication module to the data processing device via the connection candidate base station as information for estimating the installation location of the sensing device.

According to the fifth aspect of the present invention, the base station list information including the identification information of the connection candidate base station is transmitted from the sensing device to the data processing device as information for estimating the installation location of the sensing device. .. Therefore, in the data processing device, it is possible to estimate the installation location of the sensing device based on the base station list information sent from the sensing device.

Therefore, as in the first aspect, it is possible to keep the product cost of the sensing device or its attached communication device low and to eliminate the cost of using the LCS. In addition, it is possible to increase the degree of freedom in the installation location of the sensing device.

A sixth aspect of the present invention is to provide the plurality of radio base stations with a sensing device used together with a communication module capable of wireless communication with a plurality of radio base stations distributed in a service area. It relates to a data processing apparatus capable of data communication via a communication network including the data processing apparatus, and the data processing apparatus includes a sensing data acquisition processing unit, a sensing location estimation processing unit, and an information processing data generation processing unit. The sensing data acquisition processing unit receives a plurality of sensing data transmitted from the sensing device, and stores the received plurality of sensing data. The sensing location estimation processing unit is a base station list information including identification information of a connection candidate base station to which the communication module can perform the wireless communication among the plurality of wireless base stations transmitted from the sensing device. Is received, and the installation location of the sensing device is estimated based on the received base station list information and the installation position information of the plurality of radio base stations acquired in advance. The information processing data generation processing unit performs predetermined information processing based on the plurality of stored sensing data to generate information processing data, and installs the estimated information processing device on the generated information processing data. Associate with information that represents a location.

According to the sixth aspect of the present invention, the data processing device can estimate the installation location of the sensing device based on the base station list information sent from the sensing device, and considers the estimated installation location of the sensing device. Therefore, it becomes possible to perform various information processing on the sensing data.

That is, according to the present invention, the sensing location can be estimated at low cost.

FIG. 1 is a schematic configuration diagram of a sensing data management system according to an embodiment of the present invention. FIG. 2 is a block diagram showing a hardware configuration of a sensing device used in the system shown in FIG. FIG. 3 is a block diagram showing a software configuration of the sensing device used in the system shown in FIG. FIG. 4 is a block diagram showing a hardware configuration of a sensing data management server used as a data processing device in the system shown in FIG. FIG. 5 is a block diagram showing a software configuration of a sensing data management server used as a data processing device in the system shown in FIG. FIG. 6 is a flowchart showing a processing procedure and processing contents of the operation executed by the sensing device shown in FIG. FIG. 7 is a flowchart showing a processing procedure and processing contents of the base station list generation processing among the processing procedures shown in FIG. FIG. 8 is a flowchart showing a processing procedure and processing contents of the operation executed by the sensing data management server shown in FIG. FIG. 9 is a flowchart showing the processing procedure and the processing content of the sensing location estimation processing among the processing procedures shown in FIG. FIG. 10 is a diagram for explaining an example of the base station list generation process shown in FIG. 7. FIG. 11 is a diagram for explaining an example of the first processing process of the sensing location estimation process shown in FIG. 9. FIG. 12 is a diagram for explaining an example of the second processing process of the sensing location estimation process shown in FIG.

Hereinafter, embodiments relating to the present invention will be described with reference to the drawings.

[One Embodiment]
(Configuration example)
(1) System FIG. 1 is a diagram showing an example of an overall configuration of a sensing data management system according to an embodiment of the present invention.

In FIG. 1, a sensing device SD is fixedly installed in a facility visited by many users, such as a medical institution, a fitness club, a meeting place, or a commercial facility. On the other hand, for example, a sensing data management server SV1 that functions as a data processing device is installed on the cloud or the Web.

The system according to one embodiment manages the sensing data measured by the sensing device SD via a plurality of base stations BS1 to BSn and a wide area network NW distributed in a service area of a mobile communication network. It enables transmission to the server SV1.

The mobile communication network is not limited to one mobile communication network operated by one communication carrier, and a plurality of mobile communication networks operated by a plurality of communication carriers may coexist. Further, as the wireless access method of the mobile communication network, for example, LTE (Long Time Evolution) is assumed, but the method is not limited thereto, and 4G or 5G may be adopted.

The wide area network NW includes the Internet and an access network for accessing the Internet. As the access network, for example, a public data line, a LAN (Local Area Network), a wireless LAN, a CATV (Cable Television) line, etc. provided by a telecommunications carrier are used, but the access network is not limited thereto.

Further, the system according to the embodiment enables data transmission between the sensing data management server SV1 and the location information management server SV2 and between the user terminals CT1 to CTk via the wide area network NW. ing.

The location information management server SV2 has a function of managing information regarding the installation positions of the plurality of base stations BS1 to BSn, and discloses information regarding the installation positions of the base stations free of charge. The user terminals CT1 to CTk are used by users of sensing data such as medical institutions, pharmaceutical manufacturers, insurance companies, etc., and these users acquire statistical information of sensing data from the sensing data management server SV1. Used for.

(2) Device (2-1) Sensing device SD
2 and 3 are block diagrams showing a hardware configuration and a software configuration of the sensing device SD, respectively.

The sensing device SD comprises, for example, a sphygmomanometer, and includes a control unit 1, a sensing unit 2, and a communication module 3. The sensing unit 2 performs a measurement operation of sensing data such as blood pressure data under the control of the control unit 1, and outputs the measured sensing data to the control unit 1.

In addition to the blood pressure data, the sensing unit 2 may be a device that measures other vital data such as heart rate, electrocardiographic waveform, blood glucose level, activity amount, and stress level individually or in combination, and further. It may be a sensor device that measures IoT data related to noise other than vital data, pollutants such as air and water, traffic volume, and movement of people.

The communication module 3 transmits and receives radio control signals for establishing a wireless link in accordance with, for example, the LTE standard, and information data such as sensing data between the plurality of base stations BS1 to BSn. The radio control signal includes base station identification information (hereinafter referred to as base station ID) transmitted from base stations BS1 to BSn.

The communication module 3 is not limited to the one built in the sensing device SD, but may be externally installed as an attached communication device, and may be an IoT device or the like, a router, or a set-top that is used independently. It may be a communication module provided in a mobile terminal having no box (STB) or GPS position sensor.

The communication module 3 is not built in the sensing device SD and may be externally installed as an attached communication device, and may be used independently, such as an IoT device, a router, a set-top box (STB), or a GPS position sensor. It may be a communication module provided in a mobile terminal that does not have.

The control unit 1 includes, for example, a control unit 11 using a hardware processor such as a central processing unit (CPU). Then, the control unit 11 is provided with a storage unit having a program storage unit 12 and a data storage unit 13, a sensor interface (hereinafter, the interface is referred to as an I / F) 14, and a communication I / F 15 via the bus 16. It is connected.

Under the control of the control unit 11, the sensor I / F 14 outputs an operation control signal to the sensing unit 2 and inputs sensing data output from the sensing unit 2. The communication I / F 15 exchanges connection control signals and information data with and from the communication module 3 under the control of the control unit 11.

The program storage unit 12 includes, for example, a non-volatile memory such as an HDD (Hard Disk Drive) or SSD (Solid State Drive) that can be written and read at any time as a storage medium, and a non-volatile memory such as a ROM (Read Only Memory). In addition to middleware such as an OS (Operating System), it stores programs necessary for executing various control processes according to one embodiment.

The data storage unit 13 is, for example, a combination of a non-volatile memory such as an HDD or SSD capable of writing and reading at any time and a volatile memory such as a RAM (Random Access Memory) as a storage medium. A base station list storage unit 131 and a sensing data storage unit 132 are provided as the main storage units required for implementation.

The base station list storage unit 131 is used to store the base station list generated by the control unit 11 described later. The sensing data storage unit 132 is used to store the sensing data measured by the sensing unit 2.

The control unit 11 has a base station list generation processing unit 111, a base station list transmission processing unit 112, a sensing data acquisition processing unit 113, and a sensing data transmission processing unit as processing functions necessary for implementing one embodiment. It is equipped with 114. All of these processing units 111 to 114 are realized by causing the hardware processor of the control unit 11 to execute the program stored in the program storage unit 12.

The base station list generation processing unit 111 performs a periodic base station search, for example, when the power of the sensing device SD is turned on or during the operation period thereafter, and the sensing device SD performs wireless communication based on the result of the base station search. Generate a list of base stations that represent possible connection candidate base stations. The base station list includes the base station ID of the base station on which the sensing device SD can perform wireless communication and the reception quality of the wireless control signal received from the base station (for example, Received Signal Strength Indication (RSSI)). )) And are included.

Further, each time a new base station list is generated, the base station list generation processing unit 111 compares the new base station list with the past base station list stored in the base station list storage unit 131. Then, when the contents of the list are changed, the process of updating the past base station list stored in the base station list storage unit 131 to the new base station list is performed.

When the base station list stored in the base station list storage unit 131 is updated, the base station list transmission processing unit 112 reads and reads the updated base station list from the base station list storage unit 131. A process of transmitting the above-mentioned base station list from the communication module 3 to the sensing data management server SV1 together with the identification information of the sensing device SD (hereinafter referred to as a device ID) is performed.

The sensing data acquisition processing unit 113 takes in the sensing data measured by the sensing unit 2 via the sensor I / F14, and stores the sensing data in the sensing data storage unit 132.

The sensing data transmission processing unit 114 transmits each time new sensing data is obtained by the sensing data acquisition processing unit 113, every time the sensing data for a predetermined number of measurements is stored in the sensing data storage unit 132, or the previous transmission. Every time a predetermined time elapses, untransmitted sensing data is read from the sensing data storage unit 132, and the read sensing data is transmitted from the communication module 3 to the sensing data management server SV1 together with the device ID.

(2-2) Sensing data management server SV1
4 and 5 are block diagrams showing the hardware configuration and software configuration of the sensing data management server SV1, respectively.

The sensing data management server SV1 is composed of, for example, a server computer, and includes a control unit 4 using a hardware processor such as a central processing unit. A storage unit having a program storage unit 5 and a data storage unit 6 and a communication I / F 7 are connected to the control unit 4 via a bus 8.

The communication I / F7 uses the communication protocol defined by the wide area network NW under the control of the control unit 4 between the sensing device SD, the location information management server SV2, and the user terminals CT1 to CTk, respectively. Send and receive information data.

The program storage unit 5 is configured by combining, for example, a non-volatile memory such as an HDD or SSD that can be written and read at any time as a storage medium and a non-volatile memory such as a ROM, and is added to middleware such as an OS. , A program required to execute various control processes according to the embodiment is stored.

The data storage unit 6 is, for example, a combination of a non-volatile memory such as an HDD or SSD capable of writing and reading at any time and a volatile memory such as a RAM as a storage medium, and is necessary for implementing one embodiment. Main main storage units include a base station position information storage unit 61, a base station list storage unit 62, a map information storage unit 63, a sensing location information storage unit 64, a sensing data storage unit 65, and a statistical information storage unit 66. And have.

The base station position information storage unit 61 is used to store the installation position information of the base station acquired from the position information management server SV2. In this case, it is desirable that the base station position information storage unit 61 stores the installation position information of all the base stations of all the telecommunications carriers that the sensing device SD may use, but the sensing device SD is installed. If the area to be used is known in advance, only the installation position information of the base station corresponding to the area may be selected and stored.

The base station list storage unit 62 is used to store the base station list information transmitted from the sensing device SD in association with the device ID of the transmission source transmitted together with the base station list information.

The map information storage unit 63 is used to store map information of all areas where the sensing device SD may be installed. The map information includes attribute information such as the name of a facility where a sensing device SD of a medical institution or the like may be installed, and latitude / longitude information indicating the installation position thereof. The map information may be stored in advance, but may be acquired and stored from a map information database server on the cloud or the Web each time, if necessary.

The sensing location information storage unit 64 is used to store the sensing location information estimated by the control unit 4 described later.

The sensing data storage unit 65 is used to store the sensing data transmitted from the sensing device SD in association with the device ID of the transmission source transmitted together with the sensing data.

The statistical information storage unit 66 is used to store statistical information of sensing data generated by the control unit 4, which will be described later, in association with information representing a sensing location.

The control unit 4 has, as processing functions according to one embodiment, a base station position information acquisition processing unit 41, a base station list acquisition processing unit 42, a sensing location estimation processing unit 43, a sensing data acquisition processing unit 44, and statistics. It includes an information generation processing unit 45 and a statistical information transmission processing unit 46. All of these processing units 41 to 46 are realized by causing the hardware processor of the control unit 4 to execute the program stored in the program storage unit 5.

The base station position information acquisition processing unit 41 acquires the installation position information of each base station of all the communication carriers that the sensing device SD may use from the position information management server SV2, and the acquired base station of each base station. The process of associating the installation position information with the base station ID and storing it in the base station position information storage unit 61 is performed. The acquisition and storage processing of the installation location information may be performed for each base station as needed, for example, when a new base station list is received, or all base stations are collectively processed in advance of the start of the service. It may be done.

Each time the base station list is transmitted from the sensing device SD, the base station list acquisition processing unit 42 receives the base station list via the communication I / F7, and the received base station list together with the base station list. A process of associating with the received device ID and storing it in the base station list storage unit 62 is performed.

The sensing location estimation processing unit 43 reads the base station list from the base station list storage unit 62, and obtains the base station installation position information corresponding to each of the plurality of base station IDs described in the base station list. Search from the information storage unit 61. Then, based on the searched installation position information of the plurality of base stations, a process of estimating the area surrounded by the installation positions of these base stations is performed.

Further, the sensing location estimation processing unit 43 performs distance measurement calculation based on the reception quality of each base station included in the base station list, and estimates the position of the sensing device SD in the estimated area. Then, the estimated position information of the sensing device SD is stored as the sensing location information in the sensing location information storage unit 64 in association with the device ID.

Each time the sensing data is transmitted from the sensing device SD, the sensing data acquisition processing unit 44 receives the sensing data via the communication I / F7, and the received sensing data is received together with the sensing data. The processing is performed to store the data in the sensing data storage unit 65 in association with the above.

The statistical information generation processing unit 45 receives, for example, a statistical information acquisition request from the user terminals CT1 to CTk, or each time a preset date and time arrives, the statistical target period specified by the statistical information acquisition request or The sensing data for a preset period is read from the sensing data storage unit 65. Then, the statistical value (for example, the average value) of the read sensing data is calculated, and the calculated statistical value, the information indicating the statistical period, and the statistical information including the information indicating the sensing location are generated and generated. A process of storing statistical information in the statistical information storage unit 66 is performed.

The statistical information transmission processing unit 46 reads statistical information from the statistical information storage unit 66, and performs a process of transmitting the read statistical information from the communication I / F 7 to the user terminals CT to CTk of the acquisition request source.

(Operation example)
Next, an operation example of the sensing data management system configured as described above will be described.
(1) Operation of Sensing Device SD FIG. 6 is a flowchart showing a processing procedure and processing contents of an operation executed by the sensing device SD.

(1-1) Generation and transmission of base station list The control unit 11 of the sensing device SD monitors, for example, the power-on of the sensing device SD in step S10. When the power-on of the sensing device SD is detected in this state, a base station search is performed in step S11 under the control of the base station list generation processing unit 111. In the base station search, for example, in the case of a mobile communication network that adopts LTE as a wireless method, a wireless control signal whose reception quality is equal to or higher than a predetermined reception quality is selected from the wireless control signals transmitted from each base station BS1 to BSn. It is performed by selecting and detecting an AT command from the selected radio control signal.

When the base station search is completed, the control unit 11 of the sensing device SD subsequently generates and transmits a base station list under the control of the base station list generation processing unit 111 and the base station list transmission processing unit 112 in step S12. Execute the process as follows.
FIG. 7 is a flowchart showing an example of the processing procedure and processing contents of the base station list generation / transmission processing executed by the base station list generation processing unit 111.

That is, when a plurality of connection candidate base stations are selected by the base station search and the AT command is received from each of the selected connection candidate base stations, the base station list generation processing unit 111 is first received by step S121. The "Location Area Code" is extracted from each AT command, and the extracted "Location Area Code" is converted from hexadecimal to decimal to obtain the "Cell ID", and this "Cell ID" is used as the base station ID. Used as. Further, the base station list generation processing unit 111 detects the reception quality (for example, the reception electric field strength) of the radio control signal when each AT command is received by the base station search. Then, the information indicating each detected reception quality is associated with each of the above base station IDs, and the list is described in the base station list.

FIG. 10 is a diagram for explaining an example of this base station list generation process. In this example, base stations BS1 to BS5 exist around a facility (for example, a hospital) in which the sensing device SD is installed, and AT commands transmitted from base stations BS1, BS2, and BS3 among these base stations BS1 to BS5. Is shown when the sensing device SD can receive. In this case, the base station list contains information indicating the base station IDs of the base stations BS1, BS2, and BS3 and their reception quality.

If the communication module 3 of the sensing device SD can make a roaming connection to another mobile communication network of a different communication carrier other than the contracted mobile communication network, the base of the contracted mobile communication network. A list of base stations including not only stations but also base stations of the mobile communication network to which roaming connection destinations may be generated may be generated.

Subsequently, in step S122, the base station list generation processing unit 111 compares the generated new base station list with the past base station list stored in the base station list storage unit 131, and compares the comparison result with the past base station list. Based on this, it is determined in step S123 whether or not the contents of the base station list have been changed. If the content of the base station list is changed as a result of this determination, the past base station list stored in the base station list storage unit 131 is updated to the new base station list in step S124.

When the base station list is updated, the control unit 11 reads out the updated new base station list from the base station list storage unit 131 in step S125 under the control of the base station list transmission processing unit 112. Then, the read new base station list is supplied from the communication I / F 15 to the communication module 3, and is transmitted from the communication module 3 to the sensing data management server SV1. On the other hand, if there is no change in the base station list as a result of the determination in step S123, the base station list transmission processing unit 112 ends the base station list generation process without transmitting the new base station list.

The base station list generation process described above is not limited to the time when the power is turned on, and may be periodically performed, for example, at predetermined time intervals during the operation period. That is, the base station list generation processing unit 111 determines whether or not the base station search timing has been reached in step S17. Then, each time the base station search timing is reached, the process returns to step S11 and the base station search, the base station list generation process, and the transmission process described above are repeatedly executed.

(1-2) Acquisition and transmission of sensing data When the generation and transmission processing of the base station list is completed, the control unit 11 of the sensing device SD performs a blood pressure measurement operation as a sensing operation by the sensing unit 2 in step S13. Determine if it was broken. When the sensing operation is not performed, the power is turned off and the base station search timing is monitored in steps S16 and S17, respectively. Then, if the power is not turned off and the base station search timing is not reached as a result, the process returns to the monitoring of the sensing operation in step S13.

On the other hand, when the sensing operation is performed by the sensing unit 2, the control unit 11 receives sensing data (for example, data including blood pressure and pulse rate) from the sensing unit 2 in step S14 under the control of the sensing data acquisition processing unit 113. get. Then, the acquired sensing data is associated with the device ID and stored in the sensing data storage unit 132. Information indicating the measurement date and time is added to the sensing data.

Next, the control unit 11 reads the sensing data from the sensing data storage unit 132 in step S15 under the control of the sensing data transmission processing unit 114. Then, the read-out sensing data is output from the communication I / F 15 to the communication module 3, and transmitted from the communication module 3 to the sensing data management server SV1.

The sensing data transmission processing unit 114 does not transmit data each time new sensing data is acquired, but other sensing data for a predetermined number of measurements is accumulated in the sensing data storage unit 132. The untransmitted sensing data may be collectively transmitted every time or every time a predetermined time elapses from the previous transmission.

(2) Operation of Sensing Data Management Server SV1 FIG. 8 is a flowchart showing a processing procedure and processing contents of an operation executed by the sensing data management server SV1.

(2-1) Acquisition of base station installation position information The control unit 4 of the sensing data management server SV1 is used by the sensing device SD under the control of the base station position information acquisition processing unit 41, for example, prior to the start of service. The installation location information of each base station of all possible communication carriers is acquired from the location information management server SV2. Then, the acquired installation position information of each base station is stored in the base station position information storage unit 61 in association with the base station ID.

In the process of acquiring the installation position information of the base station, for example, every time the base station list is received after the service is started, the installation position information corresponding to the base station ID described in the base station list is obtained. It may be acquired from the location information management server SV2.

(2-2) Acquisition of Base Station List The control unit 4 of the sensing data management server SV1 monitors the transmission of the base station list reception request by the sensing device SD in step S20. In this state, when the base station list reception request is transmitted from the sensing device SD, it is transmitted from the sensing device SD following the base station list reception request in step S21 under the control of the base station list acquisition processing unit 42. The list of base stations is received via the communication I / F7. Then, the received base station list is associated with the device ID of the sensing device SD of the transmission source and stored in the base station list storage unit 62.

The base station list acquisition processing unit 42 repeatedly executes a process of receiving the base station list and storing it in the base station list storage unit 62 each time the base station list reception request is transmitted from the sensing device SD.

(2-3) Sensing location estimation When a new base station list is received, the control unit 4 of the sensing data management server SV1 senses as follows in step S22 under the control of the sensing location estimation processing unit 43. Perform location estimation processing.

FIG. 9 is a flowchart showing a processing procedure and processing contents of the sensing location estimation process executed by the sensing location estimation processing unit 43.

That is, the sensing location estimation processing unit 43 first reads the base station list from the base station list storage unit 62 in step S221. In this example, it is assumed that the base station list contains information indicating a plurality of base station IDs and their reception qualities.

In step S222, the sensing location estimation processing unit 43 subsequently obtains the installation position information of each base station corresponding to the plurality of base station IDs described in the above-mentioned base station list read from the base station position information storage unit 61. Search for. Then, in step S223, the area surrounded by the installation positions of these base stations is estimated based on the searched installation position information of the plurality of base stations.

FIG. 11 is a diagram illustrating an example of the area estimation operation. As shown in FIG. 11, if, for example, the base station IDs of the base stations BS1, BS2, and BS3 are described in the base station list, the area is surrounded by the installation position information of these base stations BS1, BS2, and BS3. , Area E is estimated.

Next, in step S224, the sensing location estimation processing unit 43 estimates the position of the sensing device SD in the area based on the information indicating the reception quality described in the base station list corresponding to the base station ID. do.

FIG. 12 is a diagram for explaining an example of processing for estimating the position of the sensing device SD. In this example, circles Q1, Q2, and Q3 are drawn with the installation positions of the base stations BS1, BS2, and BS3 as the origins and the distance corresponding to the reception quality as the radius. The point where these circles Q1, Q2, and Q3 intersect is defined as the position of the sensing device SD.

The sensing location estimation processing unit 43 subsequently, in step S225, based on the estimated position of the sensing device SD, the facility name existing at the position and its attribute information (for example, the hospital name and its address, contact information). Etc.) are read from the map information storage unit 63. Then, in step S226, the read facility name and its attribute information are stored in the sensing location information storage unit 64 in association with the device ID as information representing the sensing location.

In the operation example described above, the facility name and its attribute information are obtained as the information indicating the sensing location. However, the present invention is not limited to this, and the estimated position information of the sensing device SD, that is, the latitude / longitude information may be used as it is as information indicating the sensing location.

Further, in the operation example described above, the area surrounded by the installation position of each base station is estimated from the base station ID described in the base station list and the installation position information of the base station, and each of them included in the base station list. The position of the sensing device SD in the above area is estimated based on the reception quality from the base station. However, for example, when the size of the above area is relatively small or the detection accuracy of the reception quality of the radio signal from the base station is low, the area name (for example, the name of the city, town, or village) representing the area is used as it is as the sensing position information. You may try to do it.

(2-4) Reception and storage of sensing data The control unit 4 of the sensing data management server SV1 monitors the sensor data reception request in step S23 while monitoring the base station list reception request in step S20. ..

When a sensing data reception request is sent in this state, under the control of the sensing data acquisition processing unit 44, in step S24, the sensing data transmitted from the sensing device SD following the reception request is transmitted to the communication I / F7. Receive via. Then, the received sensing data is associated with the device ID of the sensing device SD of the transmission source and stored in the sensing data storage unit 65.

The above-mentioned reception and storage processing of the sensing data is repeatedly executed every time the sensing data reception request and the sensing data are transmitted from the sensing device SD. Thus, the sensing data storage unit 65 sequentially stores the blood pressure data of a plurality of patients measured by the sensing device SD.

(2-5) Generation and Transmission of Statistical Information The control unit 4 of the sensing data management server SV1 monitors the statistical information acquisition request transmitted from the user terminals CT1 to CTk in step S25. In this state, for example, when a statistical information acquisition request is sent from the user terminal CT1 of the drug maker, the control unit 4 of the sensing data management server SV1 controls the statistical information in step S26 under the control of the statistical information generation processing unit 45. Is generated.

For example, the statistical information generation processing unit 45 reads a plurality of sensing data for the statistical period specified by the statistical information acquisition request or a preset unit period from the sensing data storage unit 65. Then, the statistical information generation processing unit 45 calculates, for example, an average value as the statistical value of the plurality of read sensing data. Subsequently, the information representing the sensing location is read from the sensing location information storage unit 64, and statistical information including the calculated average value, the information indicating the target period thereof, and the read information indicating the sensing location is generated. Then, the generated statistical information is temporarily stored in the statistical information storage unit 66.

The control unit 4 of the sensing data management server SV1 then reads the generated statistical information from the statistical information storage unit 66 in step S27 under the control of the statistical information transmission processing unit 46, and reads the statistics. Information is transmitted from the communication I / F7 toward the user terminal CT1 that is the acquisition request source.

The statistical value is not limited to the average value of the sensing data, but may be a value representing a variance, a standard deviation, or the like, and the data form may be a pie chart, a bar graph, or the like.

Further, in the above description, the statistical information is generated in response to the statistical information acquisition request from the user terminals CT1 to CTk and transmitted to the requesting user terminals CT1 to CTk, but the statistical information is periodically generated. May be generated and stored in the statistical information storage unit 66, and the above statistical information may be read from the statistical information storage unit 66 and transmitted to the requester in response to an acquisition request from the user terminals CT1 to CTk. ..

(Action / effect)
As described above, according to one embodiment, the following actions and effects can be achieved.
(1) In the sensing device SD, among a plurality of base stations BS1 to BSn distributed in the service area, a base station list including the base station IDs of a plurality of base stations capable of wireless communication by the sensing device SD is generated. Then, it is transmitted to the sensing data management server SV1. On the other hand, the sensing data management server SV1 estimates the sensing location based on the received list of the base stations and the installation position information of the base stations acquired in advance. Then, the statistical information generated based on the sensing data sent from the sensing device is managed in association with the estimated information representing the sensing location.

Therefore, it is not necessary to install the GPS position sensor on the sensing device SD or the attached IoT device, and it is not necessary to use the paid LCS service. Therefore, the product cost and the service usage cost of the sensing device SD and the attached IoT device are not required. Can be kept low. Further, the installation location of the sensing device SD may be any place where the radio signals from the base stations BS1 to BSn can be received, and the degree of freedom regarding the installation location of the sensing device SD can be increased as compared with the case of using the GPS sensor. ..

(2) When the sensing data management server SV1 estimates the sensing location, the base station list includes the ID of the base station to which the sensing device SD can wirelessly communicate and the information indicating the reception quality thereof. The area surrounded by the installation position of each base station is estimated from the above-mentioned base station ID and the installation position information of the base station, and the above area is based on the reception quality of each base station included in the base station list. The position of the sensing device SD is estimated inside. Therefore, it is possible to estimate the sensing location more accurately than when the estimated area is used as it is as the sensing position information.

(3) The base station list includes not only the base stations of the contracted mobile communication network but also the base stations of the mobile communication network that can be roamed. Therefore, even if the number of base stations of the contracted mobile communication network installed around the sensing device SD is small, the position of the sensing device SD can be estimated including the base stations that can be roaming destinations. This makes it possible to further improve the estimation accuracy of the sensing location.

(4) The generation of the base station list and the estimation process of the sensing location based on the base station list are performed not only when the power of the sensing device SD is turned on but also during operation. As a result, for example, when the installation location of the sensing device SD is changed to another facility, or when the sensing device SD is mounted on a mobile examination vehicle and travels to a different facility, the sensing data of the patient at the facility at the business trip destination is collected. Even when collecting, it is possible to correctly estimate the facility name.

(5) The sensing device SD transmits the newly generated base station list to the sensing data management server SV1 only when the newly generated base station list has changed from the past base station list. .. As a result, it is possible to suppress an increase in communication traffic in the mobile communication network and the wide area network NW as compared with the case where the base station list is generated and transmitted each time the sensing data is transmitted.

[Other embodiments]
In the above embodiment, a case where the sensing data management server SV1 collects and manages the sensing data obtained by one sensing device SD has been described as an example. However, the sensing data management server SV1 may collect and manage sensing data obtained by, for example, a plurality of sensing devices installed in a plurality of facilities. In this case, the sensing data obtained by the plurality of sensing devices installed in the plurality of facilities existing in the same area may be integrated to generate the statistical information for each area.

In addition, the type and function of the sensing device, the processing procedure and processing content, the type and function of the data processing device, the processing procedure and processing content, the configuration of the base station list, the procedure and content of the generation processing, and the estimation processing of the sensing location. The procedure, contents, and the like can be variously modified and carried out without departing from the gist of the present invention.

Although the embodiments of the present invention have been described in detail above, the above description is merely an example of the present invention in all respects. Needless to say, various improvements and modifications can be made without departing from the scope of the present invention. That is, in carrying out the present invention, a specific configuration according to the embodiment may be appropriately adopted.

In short, the present invention is not limited to the above-described embodiment as it is, and at the implementation stage, the components can be modified and embodied within a range that does not deviate from the gist thereof. In addition, various inventions can be formed by an appropriate combination of the plurality of components disclosed in the above-described embodiment. For example, some components may be removed from all the components shown in the embodiments. In addition, components from different embodiments may be combined as appropriate.

SD ... Sensing device SV1 ... Sensing data management server SV2 ... Location information management server BS1 to BSn ... Base station CT1 to CTk ... User terminal NW ... Wide area network 1 ... Sensing device control unit 2 ... Sensing unit 3 ... Communication module 4, 11 ... Control unit 5, 12 ... Program storage unit 6, 13 ... Data storage unit 7, 15 ... Communication I / F
14 ... Sensor I / F
41 ... Base station position information acquisition processing unit 42 ... Base station list acquisition processing unit 43 ... Sensing location estimation processing unit 44 ... Sensing data acquisition processing unit 45 ... Statistical information generation processing unit 46 ... Statistical information transmission processing unit 61 ... Base station position Information storage unit 62 ... Base station list storage unit 63 ... Map information storage unit 64 ... Sensing location information storage unit 65 ... Sensing data storage unit 66 ... Statistical information storage unit 111 ... Base station list generation processing unit 112 ... Base station list transmission processing Unit 113 ... Sensing data acquisition processing unit 114 ... Sensing data transmission processing unit 131 ... Base station list storage unit 132 ... Sensing data storage unit

Claims (9)

A sensing device used together with a communication module capable of wireless communication with a plurality of wireless base stations distributed in a service area, and a data processing device capable of connecting to a communication network including the plurality of wireless base stations. It is a sensing data management system that is equipped.
The sensing device is
A sensing data transmission processing unit that transmits the acquired sensing data from the communication module to the data processing device via any of the plurality of radio base stations.
Among the plurality of wireless base stations, the communication module generates base station list information including identification information of connection candidate base stations capable of performing the wireless communication, and the generated base station list information is used as described above. It is equipped with a base station list generation processing unit that transmits from the communication module to the data processing device via the connection candidate base station.
The data processing device is
A sensing data acquisition processing unit that receives a plurality of the sensing data transmitted from the sensing device and stores the received plurality of sensing data, and a sensing data acquisition processing unit.
The base station list information transmitted from the sensing device is received, and the sensing device is installed based on the received base station list information and the installation position information of the plurality of radio base stations acquired in advance. Sensing location estimation processing unit that estimates the location, and
Information processing that performs predetermined information processing based on the plurality of stored sensing data to generate information processing data, and associates the generated information processing data with information indicating an estimated installation location of the sensing device. A sensing data management system equipped with a data generation processing unit. The base station list generation processing unit acquires information indicating the reception quality of the radio signal received from the connection candidate base station from the communication module, and further includes the acquired information indicating the reception quality. Generate information and send it to the data processing device.
The sensing location estimation processing unit is based on the identification information of the connection candidate base station included in the base station list information transmitted from the sensing device and the information indicating the installation position of the connection candidate base station. The sensing according to claim 1, wherein the peripheral area of the connection candidate base station is estimated, and the installation location of the sensing device in the peripheral area is estimated based on the information indicating the reception quality included in the base station list information. Data management system. The base station list generation processing unit generates the base station list information including the identification information of each radio base station of the plurality of communication networks when the communication module can be connected to each of the plurality of communication networks. Then, it is transmitted to the data processing device and
The sensing location estimation processing unit includes identification information of each radio base station mixed and included in the base station list information transmitted from the sensing device, and each radio base station of the plurality of communication networks acquired in advance. The sensing data management system according to claim 1, wherein the installation location of the sensing device is estimated based on the installation position information of the above. The base station list generation processing unit transmits the base station list information to the data processing apparatus when the base station list information is newly generated and when the content of the base station list information is subsequently changed. The sensing data management system according to any one of claims 1 to 3. It is used together with a communication module capable of wireless communication with a plurality of wireless base stations distributed in a service area, and data communication is performed with a data processing device via a communication network including the plurality of wireless base stations. It ’s a possible sensing device,
A sensing data transmission processing unit that transmits the acquired sensing data from the communication module to the data processing device via any of the plurality of radio base stations.
Among the plurality of wireless base stations, the communication module generates base station list information including identification information of connection candidate base stations capable of performing the wireless communication, and the generated base station list information is used as described above. A sensing device including a base station list generation processing unit that transmits information from the communication module to the data processing device via the connection candidate base station as information for estimating the installation location of the sensing device. Data communication is performed via a communication network including the plurality of wireless base stations with a sensing device used together with a communication module capable of wireless communication with a plurality of wireless base stations distributed in a service area. A possible data processing device
A sensing data acquisition processing unit that receives a plurality of sensing data transmitted from the sensing device and stores the received plurality of sensing data.
Among the plurality of wireless base stations transmitted from the sensing device, the communication module receives and received base station list information including identification information of a connection candidate base station capable of performing the wireless communication. A sensing location estimation processing unit that estimates the installation location of the sensing device based on the base station list information and the installation position information of the plurality of wireless base stations acquired in advance.
Information processing that performs predetermined information processing based on the plurality of stored sensing data to generate information processing data, and associates the generated information processing data with information indicating an estimated installation location of the sensing device. A data processing device including a data generation processing unit. A sensing device used together with a communication module capable of wireless communication with a plurality of wireless base stations distributed in a service area, and a data processing device capable of connecting to a communication network including the plurality of wireless base stations. It is a sensing data management method executed by the sensing data management system provided.
A process in which the sensing device transmits the acquired sensing data from the communication module to the data processing device via any of the plurality of radio base stations.
The sensing device generates base station list information including identification information of a connection candidate base station to which the communication module can perform the wireless communication among the plurality of wireless base stations, and the generated base station. The process of transmitting the list information from the communication module to the data processing device via the connection candidate base station, and
A process in which the data processing device receives a plurality of the sensing data transmitted from the sensing device and stores the received plurality of sensing data.
The data processing device receives the base station list information transmitted from the sensing device, and is based on the received base station list information and the installation position information of the plurality of radio base stations acquired in advance. , The process of estimating the installation location of the sensing device,
The data processing device performs predetermined information processing based on the stored plurality of sensing data to generate information processing data, and the generated information processing data is used as an estimated installation location of the sensing device. A sensing data management method that includes a process of associating with the information to be represented. A program for causing a processor included in the sensing device to execute the processing of each processing unit included in the sensing device according to claim 5. A program for causing a processor included in the data processing apparatus to execute the processing of each processing unit included in the data processing apparatus according to claim 6.

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