JP2020181277A - Server device and control method thereof, terminal and control method thereof, mobile body support system and method, and computer program - Google Patents

Abstract

To notify a peripheral vehicle or the like of information about a change of a state of a traffic participant without delay in accordance with the change.SOLUTION: A server device includes: a mobile body detection device for receiving sensor data from an infrastructure facility device installed on a road side, a mobile body sensor disposed in a mobile body, or both of the facility device and the sensor so as to analyze the sensor data, and then detecting a position of the mobile body and an attribute thereof; a position information maintenance device for maintaining information related to a position of a terminal by communication with the terminal; an identification device for detecting that a position of a first mobile body detected by the mobile body detection device and a position of a first terminal maintained by the position information maintenance device satisfy predetermined relation, and identifying the first mobile body as the mobile body where the first terminal is provided; and an information transmission device for transmitting attribute information expressing an attribute detected by the mobile body detection device on the first mobile body to the first terminal.SELECTED DRAWING: Figure 4

Description

This disclosure relates to a server device and its control method, a terminal and its control method, a mobile support system and method, and a computer program.

When driving a vehicle, the driver needs to pay close attention not only to the movement of his own vehicle but also to the movement of other vehicles. In addition to the vehicle, the driver needs to be especially careful when there are pedestrians. Conventionally, as shown in FIG. 1, a moving body existing in such a real space 50 is detected by a large number of sensors such as LiDAR (Light Detection And Ringing) and a camera, and its attributes (adults, children, vehicles, motorcycles) are detected. Etc.), and there is a technique for creating a traffic situation bird's-eye view map 52 using high-precision road map data prepared in advance in a virtual space.

In order to create such a traffic situation bird's-eye view map 52, the server for creating the traffic situation bird's-eye view map 52 uses sensor data which is the output of a large number of sensors, the vehicle on which the sensors are mounted, and the vehicle. It is necessary to collect data from infrastructure sensor equipment such as cameras installed on the roadside. Therefore, it is conceivable to use a 5th generation mobile communication system (so-called "5G") for communication between a server, a vehicle, and an infrastructure sensor equipment.

By providing driving support using the traffic situation bird's-eye view map 52, there is an effect that so-called vulnerable people such as pedestrians can be effectively protected. As a system for protecting vulnerable people using the traffic situation bird's-eye view map 52, there is a system described in Patent Document 1 described later. The system described in Patent Document 1 is entitled "Signal Crossing Support for Vulnerable Traffic Persons". In this system, the wireless tag possessed by the pedestrian stores the attribute information indicating that the person is vulnerable to traffic in advance. A roadside unit that receives the attribute information of this wireless tag is provided at the pedestrian traffic light on the pedestrian crossing. The roadside unit sends an inquiry signal to the wireless tag. When the wireless tag receives this inquiry signal, the wireless tag transmits the stored attribute information to the roadside machine. When the roadside machine receives the attribute information from the wireless tag and indicates that the attribute information is a traffic vulnerable person, the roadside machine performs processing for supporting the traffic vulnerable person such as extending the lighting time of the green light in the pedestrian traffic light. Run. At the same time, the roadside aircraft can upload the position coordinates of the vulnerable person to the center, and the center can notify the driver of each vehicle of the position of the vulnerable person.

JP-A-2017-182191

According to the disclosure of Patent Document 1, it is possible to provide traffic support to a vulnerable person and to notify the driver of the vehicle of the position of the vulnerable person to call his / her attention, which has an effect of contributing to traffic safety.

However, there is room for further improvement in the disclosure of Patent Document 1. One of them is that since the information stored in the wireless tag is static, it cannot respond to changes in the state of its owner. For example, a person who is injured on his leg and is walking with crutches can be said to be a vulnerable person, but with a wireless tag indicating that he is wearing crutches, the injury has healed and he can now walk without using crutches. Sometimes it is not possible to represent a change in the person's condition. It is conceivable to replace the wireless tag with a new one each time, or to use a device that rewrites the contents of the wireless tag, but in either case, the owner must be aware of the specific processing. If the owner does not perform such processing, incorrect information will be delivered to the driver, which is not preferable. Further, when a pedestrian who has been walking without any trouble until then is injured on the road for some reason, there is a problem that the wireless tag cannot notify the surroundings that the pedestrian's condition has changed due to the injury.

Further, even a pedestrian who has a wireless tag has a problem that the wireless tag cannot be used for pedestrian protection when he / she is in an area where a device capable of communicating with the wireless tag does not exist. Even in such a case, it is desired to be able to notify the surrounding vehicles of the presence of pedestrians.

These problems are not always the case for vulnerable people. Even in the case of a vehicle, it is preferable that there is a mechanism for notifying the surroundings without delay when, for example, some abnormality occurs in the driver of the vehicle and the driving becomes abnormal.

The technique described in Patent Document 1 cannot solve such a problem.

Therefore, the purpose of this disclosure is a server device and its control method, a terminal and its control method, a mobile support system and a method capable of notifying surrounding vehicles and the like of the information without delay in response to a change in the state of a traffic participant. , As well as providing computer programs.

The server device according to the first aspect of the disclosure receives sensor data from an infrastructure sensor equipment device provided on the roadside, a moving body sensor provided on the moving body, or both, and analyzes the position of the moving body. A mobile body detection device that detects the and its attributes, a position information maintenance device that maintains information about the position of the terminal by communicating with the terminal, and a position of a first moving body detected by the mobile body detection device. Identification that detects that the position of the first terminal maintained by the position information maintaining device satisfies a predetermined relationship and identifies the first moving body as a moving body equipped with the first terminal. The device includes an device and an information transmitting device that transmits attribute information representing an attribute detected by the moving body detecting device for the first moving body to the first terminal.

The terminal according to the second aspect of the disclosure is a terminal including a position information acquisition device for acquiring position information and a first transmission device for transmitting position information to a predetermined server, and is a terminal from the server to the terminal. In response to the attribute information receiving device that receives the attribute information representing the attribute, the attribute information storage device that stores the attribute information received by the attribute information receiving device, and the attribute information receiving device that no longer receives the attribute information from the server. A second transmission device that starts a process of transmitting attribute information to the outside is included.

The mobile support system according to the third aspect of the disclosure includes the above-mentioned server device and the above-mentioned terminal.

In the moving body support method according to the fourth aspect of the disclosure, the computer receives and analyzes sensor data from the infrastructure sensor equipment provided on the roadside, the moving body sensor provided on the moving body, or both. The first moving object detected in the step of detecting the position of the moving object and its attributes, the step of the computer maintaining the position information of the terminal by communicating with the terminal, and the step of detecting the attributes of the computer. When it is detected that the position of the first terminal and the position of the first terminal maintained by the step of maintaining the position information satisfy a predetermined relationship, the first terminal is used as a moving body equipped with the first terminal. The step of identifying the moving body and the step of transmitting the attribute information detected by the computer in the step of detecting the attribute of the first moving body to the first terminal are included.

The computer program according to the fifth aspect of the disclosure moves the computer by receiving sensor data from the infrastructure sensor equipment provided on the roadside, the mobile sensor provided on the mobile body, or both of them. A mobile body detection device that detects the position of the body and its attributes, a position information maintenance device that maintains the position information of the terminal by communication with the terminal, and a position of the first moving body detected by the mobile body detection device. And, it is detected that the position of the first terminal maintained by the position information maintaining device satisfies a predetermined relationship, and the first moving body is identified as the moving body provided with the first terminal. The identification device and the attribute information detected by the moving body detecting device for the first moving body are made to function as an information transmitting device for transmitting the attribute information to the first terminal.

The terminal control method according to the sixth aspect of the disclosure includes control of the terminal including a step in which the computer acquires the position information and a first transmission step in which the computer transmits the position information to a predetermined server. The method is that the computer receives the attribute information representing the attribute of the terminal from the server, the computer stores the attribute information received in the step of receiving the attribute information in the storage device, and the computer has the attribute. It includes a step of starting a process of transmitting the attribute information to the outside in response to the fact that the attribute information is no longer received from the server in the step of receiving the information.

The computer program according to the seventh aspect of the disclosure is a computer that functions as a terminal including a position information acquisition device that acquires position information and a first transmission device that transmits position information to a predetermined server. It is a program, and further, an attribute information receiving device that receives attribute information representing the attributes of the terminal from the server, an attribute information storage device that stores the attribute information received by the attribute information receiving device, and an attribute information receiving device. Responds to no longer receiving attribute information from the server, and functions as a second transmission device that starts a process of transmitting attribute information to the outside.

It should be noted that this disclosure can be realized not only as a device provided with such a characteristic processing unit, but also as a method of performing the characteristic processing as described above as a step, or causing a computer to execute those steps. It can be realized as a program for. Further, it can be realized as a semiconductor integrated circuit that realizes a part or all of the devices, or can be realized as a system including those devices.

As described above, according to this disclosure, a server device and its control method, a terminal and its control method, and a mobile support system that can notify surrounding vehicles and the like of the information without delay according to a change in the state of a traffic participant. And methods, as well as computer programs can be provided.

FIG. 1 is a diagram schematically showing the relationship between the actual road condition and the traffic condition bird's-eye view map. FIG. 2 is a diagram schematically showing an outline of a traffic support system according to the first embodiment of this disclosure. FIG. 3 is a schematic diagram showing a principle configuration of a pedestrian's mobile phone and pedestrian identification process in the transportation system according to the first embodiment of the disclosure. FIG. 4 is a block diagram showing a functional configuration of an edge server used in the traffic support system according to the first embodiment of the disclosure. FIG. 5 is a diagram showing an example of a combination of an attribute value stored in the lifetime table and the lifetime set value in a table format. FIG. 6 is an external view of a computer that realizes the edge server shown in FIG. FIG. 7 is a block diagram showing the hardware configuration of the computer shown in FIG. FIG. 8 is a flowchart showing a control structure of a computer program (hereinafter, referred to as “program”) executed by the computer shown in FIG. 7. FIG. 9 is a functional block diagram of the mobile phone used in the first embodiment of this disclosure. FIG. 10 is an external view of the mobile phone shown in FIG. FIG. 11 is a block diagram showing a hardware configuration of the mobile phone shown in FIG. FIG. 12 is a flowchart showing a control structure of a program executed by the controller of the mobile phone shown in FIG. FIG. 13 is a flowchart showing a control structure of a program that realizes a process of updating attribute information in the program shown in FIG. FIG. 14 is a flowchart showing a control structure of a program executed by the controller of the mobile phone according to the second embodiment. FIG. 15 is a block diagram showing a functional configuration of the mobile phone according to the third embodiment. FIG. 16 is a flowchart showing a control structure of a program executed by the controller of the mobile phone according to the third embodiment.

[Explanation of Embodiments of the Present Invention]
In the following description and drawings, the same parts are given the same reference numbers. Therefore, detailed explanations about them will not be repeated. In addition, at least a part of the following embodiments may be arbitrarily combined.

(1) The server device according to the first aspect of the disclosure receives sensor data from the infrastructure sensor equipment device provided on the roadside, the mobile sensor provided on the mobile body, or both, and moves. A mobile body detection device that detects the position of the body and its attributes, a position information maintenance device that maintains the position information of the terminal by communication with the terminal, and a position of the first moving body detected by the mobile body detection device. And the position of the first terminal maintained by the position information maintenance device satisfies a predetermined relationship, and the first moving body is identified as the moving body provided with the first terminal. The identification device includes an information transmitting device for transmitting attribute information representing an attribute detected by the moving body detecting device for the first moving body to the first terminal.

The position information maintenance device maintains the position information of each terminal by communicating with each terminal. Terminals also include mobile phones. The mobile body detection device analyzes the sensor data and detects the position of the mobile body and their attributes. When the position of the first moving body detected in this way and the position of the first terminal maintained by the position information maintaining device satisfy a predetermined relationship, the identification device holds the first terminal. The first mobile is identified as the mobile. When the information transmitting device transmits the attribute information regarding the first mobile body to the first terminal, the attribute information of the mobile body having the terminal is stored in the first terminal. When the first terminal transmits this information to the surroundings, a moving body such as an external vehicle can know the attributes of the first moving body. If the first terminal also transmits the position information, it is considered that the position information of the first terminal also indicates the position of the first moving body, and the surrounding moving bodies are the position of the first moving body and the position of the first moving body. You can know its attributes. The surrounding mobile body can use this information to assist the driver in driving. As a result, the information can be notified to surrounding vehicles and the like without delay according to the change in the state of the traffic participant as the first moving body.

(2) Preferably, the information transmitting device includes an attribute determination device for determining whether or not the attribute detected by the moving body detecting device for the first moving body is a predetermined attribute, and a predetermined attribute of the first moving body. It includes a transmission processing unit that transmits attribute information representing the predetermined attribute to the first terminal in response to the determination by the attribute determination device that the attribute is an attribute.

When the attribute determination unit determines that the attribute of the first moving body is a predetermined attribute, the attribute information representing the predetermined attribute is transmitted to the first terminal. The first terminal can transmit the attribute information to surrounding vehicles and the like. In particular, by selecting an attribute that the driver should pay attention to as a traffic participant as a predetermined attribute, when the first moving object has that attribute, it is possible to notify the surrounding vehicles that the driver should pay sufficient attention. You can improve the safety of traffic.

(3) More preferably, the server device further includes a valid period storage unit that stores the valid period of the attribute information for each of the attribute information, and the information transmitting device is detected by the mobile body detecting device for the first moving body. It includes an attribute information representing the attributed attribute and a transmission device that transmits the valid period stored in the valid period storage unit for the attribute information to the first terminal.

Various attributes and values of the moving body can be considered. For example, when the moving body is a person, the orientation of the body, the orientation of the face, and the like are constantly changing. On the other hand, for age-related attributes such as adults and children, their values do not change during normal periods. The period until the value of the attribute of the moving object changes varies depending on the attribute. If the attributes are transmitted ignoring those periods, erroneous information may be given to the vehicles around the moving object. Therefore, a valid period is set for the attribute information of the moving body. The terminal of the first mobile body can determine whether or not to transmit the attribute information to the surroundings by looking at the validity period. As a result, it is possible to prevent incorrect attribute information from being notified to the vehicle or the like, so that traffic can be made safe.

(4) More preferably, the validity period is predetermined so as to have a positive correlation with the length of the period required for changing the attributes of the moving object.

Some of the attributes of a moving object are constantly changing, while others do not change until a very long period of time has passed, and various values can be taken between them depending on the nature of the attributes. If the purpose is not to notify the vehicle etc. of the wrong attribute, shorten the validity period for the constantly changing attribute, lengthen the validity period for the attribute that changes only after a long period, and the changing period is during that period. It is desirable to give a valid period according to the length of the period for the attribute in. Therefore, by setting the effective period so as to have a positive correlation with the length of the period required for the change of the attribute of the moving body, it is possible to reduce the risk of notifying the vehicle or the like of incorrect attribute information regarding the moving body. As a result, traffic can be made safer.

(5) Preferably, the valid period stored in the valid period storage unit is an arbitrary value from 0 to infinity.

For constantly changing attributes, the terminal should always keep track of changes in the attributes of the mobile body that owns the terminal. On the other hand, in the case of an attribute that does not change at all (or has a very long period of time to change), there is no problem even if the validity period is very long. Therefore, in the former case, the validity period may be set to 0, for example, in the latter case, the validity period may be set to infinity, and for attributes that change in the middle period, the validity period may be set to an intermediate length. By doing so, it is possible to reduce the risk of notifying the vehicle or the like of erroneous attribute information regarding the moving object. As a result, traffic can be made safer.

(6) More preferably, the moving body detecting device includes the latest moving body detecting device that receives and analyzes sensor data at a predetermined cycle and detects the latest position of the moving body and its latest attribute, and is a position information maintaining device. Includes the latest position information maintaining device that maintains the latest position information of the terminal at a predetermined cycle by communicating with the terminal held by the moving body, and the information transmitting device includes the latest moving body detecting device of the first moving body. As long as the position and the attribute are detected, the device includes a device that transmits the attribute information representing the latest attribute detected by the latest mobile detection device to the first terminal.

The position information maintenance device detects the latest position of the moving body and its latest attribute at a predetermined cycle. The latest position information maintenance device maintains the latest position information of the terminal at a predetermined cycle. The information transmitting device transmits the attribute information representing the latest attribute detected by the latest mobile body detecting device to the first terminal as long as the latest moving body detecting device detects the position and attribute of the first moving body. .. Whenever communication with the server device is possible, the attribute information regarding the mobile body holding the first terminal is transmitted to the first terminal. Even when communication with the server device becomes impossible, the latest attribute information up to that point is stored, so that the attribute information can be transmitted to surrounding vehicles or the like within the valid period of the attribute information. As a result, even in an area where the terminal cannot communicate with the server device, the correct attribute information regarding the first mobile body can be transmitted to the surroundings in order to ensure the safety of the first mobile body.

(7) More preferably, the sensor data and the position information are attached with time information indicating the time when the sensor data and the position information are acquired, respectively, and the identification device is detected by the mobile body detection device. The distance calculated between the position of the first moving object and the time at that time and the position of the first terminal maintained by the position information maintaining device and the time at that time must be within a predetermined value. Is detected, and the first mobile body is identified as the mobile body provided with the first terminal.

The timing of acquiring sensor data and the timing of acquiring terminal position information are not always the same, and their cycles do not always match. Therefore, it is preferable to give a certain width to the relationship between the time and the position and judge whether or not the two match. For that purpose, a method of calculating the distance between the two defined by the time and the position and determining the moving body having the terminal depending on whether or not there is a terminal existing within a predetermined distance from the first moving body. is there. By doing so, the relationship between the mobile body and the terminal can be estimated flexibly and accurately. There is a high possibility that the attribute information of the moving object can be correctly transmitted to the terminal. There is a high possibility that the terminal can convey the correct attribute information about the moving object having the terminal to surrounding vehicles and the like. As a result, it is possible to ensure the safety of the moving object in the real-world traffic environment.

(8) The terminal according to the second aspect of the disclosure is a terminal including a position information acquisition device for acquiring position information and a first transmission device for transmitting position information to a predetermined external server. An attribute information receiving device that receives attribute information representing the attributes of a mobile body having a terminal from an external server, an attribute information storage device that stores the attribute information received by the attribute information receiving device, and an attribute information receiving device that receives attributes from the external server. It includes a second transmission device that starts a process of transmitting attribute information to the outside in response to the fact that the information is no longer received.

In this terminal, the first transmission device transmits the position information acquired by the position information acquisition means to the external server. The external server can maintain the position of the terminal device based on this information. When the attribute information receiving device receives the attribute information from the external server, the attribute information represents the attribute of the mobile body having the terminal device. If the attribute information receiving device no longer receives the attribute information from the external server, it is highly possible that the external server does not provide traffic support in the area where the terminal device exists at that time. In such an area, the second transmitting device transmits the attribute information received from the server by the attribute information receiving device to the outside. In an external vehicle or the like, the attribute of the moving body having the terminal device can be known based on this attribute information. External vehicles and the like can provide accurate driving support according to this attribute information.

(9) Preferably, the terminal further includes a time information acquisition device that acquires time information representing the time when the position information is acquired, and the first transmission device acquires the time information when the position information is acquired. It includes a position / time information transmitting device that transmits the position information to the server together with the time information acquired by the device.

When a mobile body having a terminal moves with time, the position information transmitted to the server also changes. In this case, in order to identify the moving body having the terminal, it may not be possible to accurately identify the moving body unless information on the position at which time is available. Therefore, the time information acquisition device acquires time information indicating the time when the position information of the terminal is acquired, and transmits the time information to the server. The server uses this information to identify the mobile body that has the terminal. As a result, the mobile body having the terminal can be identified more accurately, and the attribute information transmitted from the server to the terminal is more likely to be related to the mobile body having the terminal. As a result, the correct attribute information about the moving body is transmitted to an external vehicle or the like, and the possibility that the moving body can move safely increases.

(10) More preferably, the attribute information storage device updates the attribute information stored in the attribute information storage device with the new attribute information each time the attribute information receiving device receives new attribute information. Includes information updater.

The attribute information received by the attribute information receiving device is considered to be the latest. If the past attribute information is stored, there is a risk that the old attribute information is mistakenly sent to the outside. Therefore, such mistakes can be prevented by updating the past attribute information with the newly received attribute information.

(11) More preferably, the attribute information is attached with a valid period of the attribute information, the attribute information storage device stores both the attribute information received by the attribute information receiving device and the valid period thereof, and the terminal stores the attribute information. Further, the time elapsed by the time measuring device for measuring the elapsed time from the start of transmission of the attribute information by the second transmitting device and the time elapsed by the time measuring device for each of the attribute information stored in the attribute information storage device. Includes an attribute transmission stop device that stops the transmission of the attribute information by the second transmission device in response to the time being equal to or longer than the valid period attached to the attribute information.

The attributes of a moving object change over time. The time required for the change varies depending on the attribute. In the case of humans, attributes such as body orientation and face orientation are constantly changing. On the other hand, it takes a long time for age-related attributes to change, such as adults and children. Treating these in the same way is not appropriate. Therefore, the server attaches a valid period corresponding to each attribute and sends it to the terminal. When the valid period of the received attribute information has expired, the terminal stops transmitting the attribute information. If you send the attributes of an old mobile from the mobile to the outside over time, the attributes may be incorrect. Since the attribute transmission canceling device controls the second transmission device so that only the attributes within the valid period are transmitted to the outside, the risk of erroneous attribute information being transmitted to the outside can be reduced.

(12) Preferably, the attribute transmission canceling device has the elapsed time measured by the time measuring device for each of the attribute information stored in the attribute information storage device longer than the valid period attached to the attribute information. Includes an attribute information deletion device that deletes the attribute from the attribute information storage device in response to.

The attribute information deletion device deletes the attribute information whose validity period has expired. Since the attribute information itself is deleted, it is possible to eliminate the risk of accidentally transmitting old attribute information to surrounding vehicles and the like.

(13) More preferably, the terminal is further driven by the second transmitting device in response to the attribute information receiving device receiving new attribute information from the server after the processing by the second transmitting device is started. Includes a stop device that stops the transmission process.

The fact that the attribute information receiving device receives new attribute information from the server means that communication between the server and the terminal has become possible. In that case, it is considered that the server provides information for traffic support to the vehicles around the terminal in that area. There is no benefit in transmitting attribute information from the terminal to surrounding vehicles. By stopping the transmission of attribute information, unnecessary communication can be avoided. Not only that, it is possible to prevent incorrect attribute information from being transmitted to the surroundings by transmitting past attribute information.

(14) The mobile support system according to the third aspect of the disclosure includes the above-mentioned server device and the above-mentioned terminal.

When the position of the first moving body detected by the moving body detecting device and the position of the first terminal satisfy a predetermined relationship, the identification device determines that the moving body holding the first terminal is the first moving body. Identify one mobile. The information transmitting device transmits attribute information regarding the first mobile body to the first terminal. The attribute information of the mobile body having the terminal is stored in the first terminal. When the first terminal receives the attribute information from the server, the attribute information represents the attribute of the mobile body having the terminal device. The fact that the attribute information receiving device no longer receives the attribute information from the server means that the server does not provide traffic support in the area where the terminal device exists at that time. In such an area, the second transmitting device transmits the attribute information received from the server by the attribute information receiving device to the outside. In an external vehicle or the like, the attribute of the moving body having the terminal device can be known based on this attribute information. External vehicles and the like can provide accurate driving support according to this attribute information. As a result, the information can be notified to surrounding vehicles and the like without delay according to the change in the state of the traffic participant as the first moving body.

(15) In the moving body support method according to the fourth aspect of the disclosure, the computer receives sensor data from the infrastructure sensor equipment device provided on the roadside, the moving body sensor provided on the moving body, or both. The first detected in the steps of analyzing and detecting the position of the moving object and its attributes, the step of the computer maintaining the position information of the terminal by communicating with the terminal, and the step of the computer detecting the attributes. It is detected that the position of the moving body 1 and the position of the first terminal maintained by the step of maintaining the position information satisfy a predetermined relationship, and the moving body provided with the first terminal is detected. The step of identifying the first moving body and the step of transmitting the attribute information detected by the computer in the step of detecting the attribute of the first moving body to the first terminal are included.

In the step of detecting attributes, the computer analyzes the sensor data to detect the position of the moving object and its attributes. In the maintenance step, the computer detects and maintains the position information of each terminal by communicating with each terminal. In the step of identifying, when the position of the first mobile body and the position of the first terminal satisfy a predetermined relationship, the computer first as a mobile body holding the first terminal. Identify mobiles. In the transmitting step, the computer transmits attribute information about the first mobile to the first terminal. The attribute information of the mobile body having the terminal is stored in the first terminal. When the first terminal transmits this information to the surroundings, a moving body such as an external vehicle can know the attributes of the first moving body. If the first terminal also transmits the position information, it is considered that the position information of the first terminal also indicates the position of the first moving body, and the surrounding moving bodies are the position of the first moving body and the position of the first moving body. You can know its attributes. The surrounding mobile body can use this information to assist the driver in driving. As a result, the information can be notified to surrounding vehicles and the like without delay according to the change in the state of the traffic participant as the first moving body.

(16) The computer program according to the fifth aspect of the disclosure receives and analyzes sensor data from a computer from an infrastructure sensor equipment device provided on the roadside, a mobile sensor provided on the mobile body, or both. A moving body detection device that detects the position of the moving body and its attributes, a position information maintaining device that maintains the position information of the terminal by communication with the terminal, and a first movement detected by the moving body detecting device. It is detected that the position of the body and the position of the first terminal maintained by the position information maintaining device satisfy a predetermined relationship, and the first movement as a moving body provided with the first terminal. It functions as an identification device for identifying a body and an information transmission device for transmitting attribute information detected by the moving body detecting device for the first moving body to the first terminal.

The computer functions as a position information maintenance device and maintains the position information of each terminal by communicating with each terminal. The computer also functions as a mobile detector, analyzes sensor data, and detects the location of mobiles and their attributes. When the position of the first moving body detected in this way and the position of the first terminal maintained by the position information maintaining device satisfy a predetermined relationship, the computer functions as an identification device, and the first The first mobile body is identified as the mobile body holding the terminal of. When the computer functions as an information transmission device and transmits the attribute information regarding the first mobile body to the first terminal, the attribute information of the mobile body having the terminal is stored in the first terminal. When the first terminal transmits this information to the surroundings, a moving body such as an external vehicle can know the attributes of the first moving body. If the first terminal also transmits the position information, it is considered that the position information of the first terminal also indicates the position of the first moving body, and the surrounding moving bodies are the position of the first moving body and the position of the first moving body. You can know its attributes. The surrounding mobile body can use this information to assist the driver in driving. As a result, the information can be notified to surrounding vehicles and the like without delay according to the change in the state of the traffic participant as the first moving body.

(17) The terminal control method according to the sixth aspect of the disclosure includes a step in which the computer acquires the position information and a first transmission step in which the computer transmits the position information to a predetermined server. In the terminal control method, the computer stores the attribute information received in the step of receiving the attribute information representing the attribute of the mobile body having the terminal from the server and the computer in the step of receiving the attribute information in the storage device. It includes a step and a step of initiating a process of transmitting the attribute information to the outside in response to the computer no longer receiving the attribute information from the server in the step of receiving the attribute information.

In the acquisition step, the computer acquires the location information. In the first transmission step, the computer transmits the location information to a predetermined server. In the receiving step, the computer receives attribute information representing the attributes of the mobile body having the terminal from the server. In the memorizing step, the computer stores the attribute information in the storage device. In response to the fact that the attribute information is no longer received from the server, the computer starts the process of transmitting the attribute information to the outside in the step of starting the process. Since the attribute information of the mobile body having the terminal is transmitted to the surroundings of the mobile body, surrounding vehicles and the like can receive the attributes and use them for driving support even in an area where the driving support by the edge server is not performed.

(18) The computer program according to the seventh aspect of the disclosure comprises a computer as a terminal including a position information acquisition device for acquiring position information and a first transmission device for transmitting position information to a predetermined server. A computer program that functions, and further, an attribute information receiving device that receives attribute information representing the attributes of the terminal from the server, an attribute information storage device that stores the attribute information received by the attribute information receiving device, and attributes. In response to the information receiving device no longer receiving the attribute information from the server, the information receiving device functions as a second transmitting device that starts a process of transmitting the attribute information to the outside.

The computer functions as a location information acquisition device and acquires location information. The computer also functions as a first transmitter and transmits this location information to a predetermined server. The computer functions as an attribute information receiving device and receives attribute information representing the attributes of the terminal from the server. The computer functions as an attribute information storage device and stores this attribute information. In response to the fact that the attribute information is no longer received from the server, the computer functions as a second transmission device and starts a process of transmitting the attribute information stored in the attribute information storage device to the surroundings. Since the attribute information of the mobile body having the terminal is transmitted to the surroundings of the mobile body, surrounding vehicles and the like can receive the attributes and use them for driving support even in an area where the driving support by the edge server is not performed.

[Detailed description of the embodiment]
<First Embodiment>
<Constitution>
"overall structure"
With reference to FIG. 2, the traffic support system using the fifth generation mobile communication system according to this embodiment includes an infrastructure sensor equipment device 80 provided on the roadside in the real space 50 (FIG. 1), a roadside camera 82, and the like. The vehicle sensor and in-vehicle device mounted on a moving body such as the vehicle 90, the mobile phone 86 held by the pedestrian 84, and the sensor information from these are aggregated and analyzed to generate the above-mentioned traffic condition bird's-eye view map 52. It includes an edge server 70 that distributes traffic support information to a vehicle 90 or the like. The edge server 70 distributes the traffic support information obtained in this way to each vehicle to provide driving support to the driver of the vehicle. For example, the infrastructure sensor equipment 80 is LiDAR, and has a function of measuring the distance from the infrastructure sensor equipment 80 to an object around the infrastructure sensor equipment 80 at regular intervals and transmitting the information as point group data to the edge server 70. have. In this embodiment, the roadside camera 82 is a camera capable of acquiring a color image in a predetermined range around it, and has a function of transmitting the acquired image signal to the edge server 70. The mobile phone 86 is equipped with a GPS (Global Position System) module, and when a pedestrian 84 is in a position where communication with the edge server 70 is possible, the position information indicating its own position coordinates is displayed together with the time information at that time. It has a function of transmitting to the edge server 70. However, when the pedestrian 88 is in a position where communication with the edge server 70 is not possible, the mobile phone 86 performs a process of directly transmitting the attribute information and the position information (position / attribute information) of the pedestrian 88 to the vehicle 90 or the like. Do. The configuration required for that purpose will be described below.

In the following embodiments, a mobile phone (smartphone) is used as the terminal device. In the case of a mobile phone, it is convenient because the program described later can be installed in the form of a so-called application. However, this disclosure is not limited to such embodiments. The terminal device may be a device that can be carried by a person, such as a dedicated terminal, or a device that moves together with a vehicle, such as an in-vehicle device. In the case of a terminal device carried by a person, the attribute information related to the person is used, but in the case of an in-vehicle device, the attribute information related to the vehicle equipped with the in-vehicle device, the in-vehicle device, driving, etc. is used. Can be used.

In this embodiment, the edge server 70 stores in advance information about an area for transmitting the position and attribute information of the pedestrian to the outside from the mobile phone of the pedestrian who has entered the area. Such areas include areas where the edge server 70 cannot communicate with mobile phones, intersections with heavy traffic, points where pedestrian-related accidents are known to occur frequently, and the like. Not only when the mobile phone cannot communicate with the edge server 70 in that area, but even if it is possible to communicate with the edge server 70 in these areas, the information about the pedestrian is not always surely transmitted to the vehicle. .. Therefore, in this embodiment, when the mobile phone can communicate with the edge server 70, the edge server 70 detects the attribute information about the pedestrian who has the mobile phone, and transmits and stores the attribute information to the mobile phone in advance. Let me. When a pedestrian holding a mobile phone enters those areas, the pedestrian's position information and attribute information can be transmitted from the mobile phone so that the surrounding vehicles can reliably receive the information. When each vehicle receives the information, the in-vehicle device can surely use the information for driving support. As a result, pedestrians can be protected even when the vehicle cannot receive the traffic support information from the edge server 70 or can only perform incomplete communication.

The edge server 70 grasps the position of the mobile phone 86 from the position information (including the time information) from the mobile phone 86. On the other hand, the position of the pedestrian can be grasped only after the edge server 70 analyzes the sensor data from the infrastructure sensor equipment device 80, the roadside camera 82, the vehicle 90, and the like. Therefore, the edge server 70 does not immediately know which pedestrian has which mobile phone. Therefore, in this embodiment, the edge server 70 associates the mobile phone with the pedestrian as follows.

With reference to FIG. 3, the edge server 70 detects the presence of a pedestrian, which is a comprehensive analysis of information obtained from various sensors, and also grasps the position thereof. The position information is collated with the position information received from the mobile phone 86, and if a certain relationship is established between the two, it is estimated that the pedestrian holds the mobile phone 86. However, in this case, as shown in FIG. 3, the acquisition timing and cycle of the sensor data transmitted from the roadside camera 82 or the like to the edge server 70 and the base station 72 grasp by communication with the mobile phone 86 and notify the edge server 70. It does not always match the acquisition timing and cycle of the location information of the incoming mobile phone 86. In addition, the pedestrian is usually moving, and the position of the pedestrian when the position of the mobile phone 86 is acquired due to the above timing shift and the pedestrian identified by the sensor data from various sensors. There is always the possibility of deviation from the position.

Therefore, in this embodiment, the positions of the sensors and the mobile phone 86 and the time information representing the time when the positions are acquired are transmitted from each sensor and the mobile phone 86 to the edge server 70, respectively. Then, a distance defined between the position of the mobile phone 86 and the time when the position was acquired and the position of the pedestrian specified from the sensor information and the time when the pedestrian was at the position is calculated, and this distance is calculated. If is within a certain range, it is presumed that the pedestrian is holding the mobile phone 86.

However, when a plurality of pedestrians are in a certain area as shown in FIG. 3, even if it is found that only one mobile phone 86 exists in the area, which of the pedestrians carries the mobile phone 86. It cannot be determined whether or not the telephone 86 is held. If this is not determined, the edge server 70 cannot perform the above processing. Therefore, the following method is used to solve this problem. That is, a movement range 100 having a constant radius considering the movement speed of the pedestrian is considered centering on the position of the pedestrian estimated from the analysis of the sensor data, and only the mobile phones existing in this area are considered. .. When there is only one pedestrian within the movement range 100 and there is only one mobile phone in the area, it can be determined that the pedestrian is holding the mobile phone. When there are a plurality of pedestrians in the movement range 100 as shown in FIG. 3, the movement range is moved along with the movement of the pedestrians as in the movement range 102, the movement range 104, and the movement range 106 over time. Make multiple judgments. When there is only one pedestrian in the movement range 106 as in the movement range 106, and when the mobile phone 86 exists in the movement range 106, the pedestrian is holding the mobile phone. judge.

When there are a plurality of pedestrians in a certain range as in the above-mentioned movement range 100, even if there is only one mobile phone in the range or there are a plurality of pedestrians, walking while holding the mobile phone as it is. Cannot identify the person. Therefore, in this case, the mobile phone is not associated with a pedestrian.

Regarding the acquisition of the position information of the mobile phone 86, the output of the GPS module possessed by the mobile phone 86 is used in the following embodiments, but in 5G communication, as shown in FIG. 3, the communication wave of the base station 72 is used. It is also possible to identify the position of the mobile phone 86 by beamforming and use the information.

As the distance used in this embodiment, the Euclidean distance represented by the following equation (1) is used.

ただし、添字のｔおよびｐはそれぞれ携帯電話および歩行者を表し、ｘ，ｙ，ｚは携帯電話または歩行者の位置座標を表し、Ｔはセンサデータ等が取得された時刻を表す。なお、距離としてはこれに限らず、数学的に距離の定義を満たすものであり空間および時間の間に定義可能なものであればどのようなものを用いても良い。例えばマンハッタン距離を用いることもできる。また、個々の座標を別々に比較しても良い。

However, the subscripts t and p represent mobile phones and pedestrians, respectively, x, y, and z represent the position coordinates of the mobile phone or pedestrian, and T represents the time when the sensor data or the like was acquired. The distance is not limited to this, and any distance that mathematically satisfies the definition of distance and can be defined between space and time may be used. For example, Manhattan distance can also be used. Moreover, you may compare individual coordinates separately.

<< Configuration of Edge Server 70 >>
With reference to FIG. 4, the edge server 70 in this traffic support system functionally has sensor data from vehicle sensors such as the infrastructure sensor equipment device 80, the roadside camera 82, and the vehicle 90 shown in FIG. 2, and a mobile phone. A reception processing unit 210 having a function of receiving position information from 86 and the like and distributing the sensor data to necessary processing units, and a sensor data received by the reception processing unit 210 are analyzed to detect a moving body and the moving body is detected. It includes a moving object tracking unit 212 for estimating a position and performing tracking.

The edge server 70 further analyzes the sensor data received by the reception processing unit 210, detects each moving object, detects the attribute, and outputs the attribute information representing the attribute, and the attribute detection unit 216. Of the data received by the analysis result storage unit 218 that stores the attribute information of the moving body detected by the unit 216 and the reception processing unit 210, the positions of the vehicle, mobile phone, etc. are maintained based on the position information of the moving body, and the terminal. A vehicle / terminal tracking unit 220 for tracking the vehicle / terminal, and a vehicle / terminal information storage unit 222 for storing the position information of the vehicle / terminal or the like obtained by the vehicle / terminal tracking unit 220 including the past position information. including.

The edge server 70 further performs a process of integrating the analysis result regarding the position of the moving body stored in the analysis result storage unit 214 and the attribute information of each moving body stored in the analysis result storage unit 218. And the analysis result storage unit 226 for storing the analysis result integrated for each moving body by the integrated processing unit 224.

The edge server 70 is further surrounded by a lifetime table storage unit 234 that stores a lifetime table showing the attribute information of the moving object and the lifetime information indicating the validity period of the attribute information, and a mobile phone owned by a pedestrian in advance. The position transmission area information storage unit 236 that stores information (position transmission area information) related to the area (position transmission area) to which the position information and pedestrian attribute information should be transmitted to a vehicle or the like, vehicle / terminal information, and each moving body. The pedestrian holding the mobile phone is identified based on the analysis result of, and the attribute information representing the attribute, the lifetime information, and the information for identifying the mobile phone are collectively output by referring to the lifetime table. Includes a pedestrian / terminal identification unit 232 for the purpose of. At this time, the pedestrian / terminal identification unit 232 also performs a process for transmitting the position transmission area information stored in the position transmission area information storage unit 236 to the mobile phone.

The edge server 70 further generates information to be transmitted to each vehicle by using the information about each vehicle stored in the vehicle / terminal information storage unit 222 based on the analysis result stored in the analysis result storage unit 226. To transmit to the mobile phone using the information about the corresponding mobile phone stored in the vehicle / terminal information storage unit 222 based on the processing to be performed and the attribute information output from the pedestrian / terminal identification unit 232. Information transmission unit 228 and information transmission unit that execute the process of generating the information of the above and the process of generating the information for transmitting the position transmission area information output from the pedestrian / terminal identification unit 232 to the same mobile phone. The transmission processing unit 230 that transmits the information output from the 228 to the target vehicle and the target mobile phone via the network is included.

FIG. 5 shows an example of the life time table stored in the life time table storage unit 234 of FIG. With reference to FIG. 5, the lifetime table stores simple identification attributes, detailed identification, states, body orientations, face orientations, and the like as attributes. The attribute values of the simple identification attribute include vehicles and pedestrians. Among the attribute values of the detailed identification attribute, there are adults and children as attribute values of pedestrians. Vehicle attribute values include passenger cars, bicycles, and large vehicles. In the case of pedestrians, there are values such as looking at a smartphone while walking, wearing crutches, and staggered legs, and in the case of a vehicle, meandering driving, slow driving, and high speed. There are values such as driving. As the direction of the body, for example, there is an attribute value indicating 8 directions by 45 degrees with the front of the body as 0 degrees. As the face orientation, in addition to the body orientation described above, there are attribute values indicating up, front, and bottom. In addition to this, various attributes of the pedestrian can be considered, but it is not necessary to transmit the attributes necessary for traffic support to the pedestrian's mobile phone 86. Further, in this embodiment, some of the attributes of the pedestrian are selected and transmitted to the pedestrian unconditionally. However, this disclosure is not limited to such embodiments. The pedestrian attribute information may be transmitted to the pedestrian's mobile phone 86 only when the value of the specific attribute is a certain predetermined value. For example, attribute information should be sent only for values where the state attribute is particularly important for traffic support (pedestrians looking at smartphones, etc.) and the value of the detailed identification attribute is also important (children, two-seater bicycles, etc.). It may be.

As shown in FIG. 5, the lifetime setting value of the simple identification attribute is 1 day, the lime time setting value of the detailed identification attribute is 1 day, the lime time setting value of the state attribute is 1 minute, and the body orientation and face orientation. The lifetime setting value of is 0 minutes.

Here, the lifetime setting value means the period during which the value of the attribute is valid. The value of the attribute becomes invalid after the period specified by this lifetime setting value has elapsed since the value of the attribute was last updated without being updated thereafter. In this embodiment, after the attribute value and its lifetime setting value are transmitted to the mobile phone and stored in the mobile phone, the attribute value is changed when the time determined by the lifetime setting value elapses without updating the value. Will be deleted.

With reference to FIG. 5, the distinction between vehicles and pedestrians, the distinction between adults and children among pedestrians, and the distinction between passenger cars, bicycles and large vehicles in vehicles does not change in a short period of time. On the other hand, the state attribute is more likely to change. For example, a pedestrian looking at a smartphone often closes the smartphone and starts walking before such a long time has passed. In addition, it is better to think that the orientation of the body and the orientation of the face are constantly changing.

The lifetime setting value can be any value from 0 to ∞. However, for attributes that are difficult to change, such as simple identification attributes and detailed identification attributes (attributes that require a long period of time for the value to change), attributes that change easily, such as body orientation and face orientation (values are). Make the lifetime setting value longer than the attribute that changes for a short time. For the attribute in the middle such as the state attribute, it is an arbitrary value between the two. That is, the lifetime setting value is set so as to have a positive correlation with the period during which the attribute value changes. In particular, in this embodiment, the lifetime setting values are set to 0 for the body orientation and the face orientation. In this case, the attribute value is transmitted from the mobile phone to the outside only once immediately after the mobile phone cannot receive the communication from the edge server 70.

As shown in FIG. 6, the edge server 70 includes a computer 240 having a DVD drive 250, a monitor 242 connected to the computer 240, a keyboard 246, and a mouse 248.

With reference to FIG. 7, the computer 240 of the edge server 70 is connected to the CPU (Central Processing Unit) 260 and the CPU 260, and serves as a communication path for data and commands between the CPU 260 and other modules of the computer 240. 262 and so on.

The computer 240 is further a GPU (Graphics Processing Unit) 264, a ROM (Read-Only Memory) 266, a RAM (Random Access Memory) 268, and a non-volatile auxiliary storage device, all of which are connected to the bus 262. The hard disk drive 270, the above-mentioned DVD drive 250 to which the DVD 252 can be mounted, the network interface (I / F) 272 that provides the CPU 260 with a connection to the network 254, and the bus 262 are connected, and the semiconductor memory 256 is attached and detached. Includes possible semiconductor memory ports 274.

With reference to FIG. 8, the program that realizes the functions of each part of the edge server 70 as shown in FIG. 4 has the following control structure. That is, this program aggregates and analyzes the sensor data received by the reception processing unit 210 from the vehicle sensor, the infrastructure sensor, and the mobile phone to generate a traffic situation bird's-eye view map 52 (FIG. 1), and this traffic situation bird's-eye view map 52. Step 310 for generating traffic support information based on the above, and the traffic support information generated in step 310 for each vehicle / terminal based on the information about each vehicle / terminal stored in the vehicle / terminal information storage unit 222 of FIG. It includes step 312 of delivering to the terminal and step 314 of determining whether or not a pedestrian is detected on the traffic condition bird's-eye view map 52 as a result of the process of step 310 and branching the control flow according to the determination result. If no pedestrian is detected, control returns to step 310 to perform the next process. As a result, the attributes detected by the latest processing are always transmitted from the edge server 70 to the mobile phone 86.

The program further includes step 316 of performing the process 318 described below for each detected pedestrian when the determination in step 314 is affirmative.

In the process 318, for the pedestrian to be processed, other pedestrians and mobile phones in which the distance calculated by the equation (1) from the position coordinates and the time information about the pedestrian's position exists within a certain range. Step 330 for confirming the telephone, and step 332 and step 332 for determining whether or not there is one or more other pedestrians confirmed in step 330 and ending the process 318 for the target pedestrian when the determination is affirmative. When the determination is negative, it is determined whether or not the mobile phone confirmed in step 330 exists, and when the determination is negative, the processing for the target pedestrian is terminated in step 334, and when the determination in step 334 is affirmative. In step 336, which identifies the target pedestrian as a pedestrian holding the mobile phone (including a plurality of cases) and associates the two with each other, and sets the lifetime setting value for each attribute of the target pedestrian. Step 338 and the lifetime setting value with the attribute information of the target pedestrian are transmitted to the mobile phone confirmed in step 330 and saved, and step 340 for ending the execution of this process 318 for the target pedestrian. Including.

"mobile phone"
FIG. 9 shows a functional configuration of a mobile phone 86, which is an example of a terminal carried by a pedestrian. With reference to FIG. 9, the mobile phone 86 should transmit traffic support information from the edge server 70, attribute information about a pedestrian holding the mobile phone 86, and attribute information from the mobile phone 86 to the surroundings. A reception processing unit 350 that receives position transmission area information that specifies an area and distributes and stores it in different storage units according to their types, and an attribute information storage unit 352 that stores the attribute information received by the reception processing unit 350. The traffic support information storage unit 354 that stores the traffic support information received by the reception processing unit 350, the position transmission area information storage unit 356 that stores the position transmission area information received by the reception processing unit 350, and the traffic support information storage. It includes a traffic support processing unit 368 that provides traffic support to a pedestrian holding a mobile phone 86 by using the traffic support information stored by the unit 354.

The mobile phone 86 further includes a position information acquisition unit 358 including a GPS module and a position information transmission unit 360 that generates information for periodically transmitting the position information of the mobile phone 86 acquired from the position information acquisition unit 358 to the edge server 70. Based on the location information obtained from the location information acquisition unit 358, it is determined whether or not the mobile phone 86 is within the location transmission area indicated by the location transmission area information stored in the location transmission area information storage unit 356. When is affirmative, the attribute information transmission unit 362 that generates information for transmitting the attribute information stored in the attribute information storage unit 352 to the surroundings and the information generated by the attribute information transmission unit 362 are transmitted around the mobile phone 86. The information transmission unit 364 that performs the processing necessary for transmitting the information generated by the position information transmission unit 360 to the edge server 70 and the information output by the information transmission unit 364 are designated by the information transmission unit 364, respectively. Includes a transmission processing unit 366 that transmits to a destination.

FIG. 10 shows the appearance of the mobile phone 86, which is a terminal carried by a pedestrian, and FIG. 11 shows the hardware configuration thereof. With reference to FIG. 11, the mobile phone 86 is connected to the controller 400, the GPS module 402 connected to the controller 400, the memory 404 connected to the controller 400, the power supply circuit 406 for the controller 400, and the controller 400. Includes the audio circuit 408 and the camera 409.

The mobile phone 86 further includes a monitor 410 including an LCD (Radiofrequency Crystal Display) connected to the controller 400, a touch panel 412, an acceleration sensor, a tilt sensor, a temperature sensor, a humidity sensor, a pressure sensor, an illuminance sensor, and the like. It includes various sensors 414, an RF (Radio Frequency) baseband circuit 416 for providing a telephone function, and a wireless communication module 418 for providing wireless communication such as Wi-Fi communication.

The controller 400 is substantially a computer and includes a CPU 450 and a bus 452 that serves as a transmission path for data and instructions between the CPU 450 and each part in the controller 400. The controller 400 is further connected to the bus 452, and the memory controller 454 that controls the memory 404 according to the command of the CPU 450 to write and read data, and the power supply management that manages the power supply circuit 406 according to the control by the CPU 450. It includes a circuit 456 and a system management circuit 458 for managing the operation timing and the like of each part in the controller 400.

The controller 400 is further connected to the bus 452 to control the monitor 410 according to the media processing circuit 460, which is an interface with the audio circuit 408 and the camera 409, and the commands and parameters transmitted from the CPU 450 via the bus 452. A display controller 462, an input / output I / F 464 connected to a bus 452 and an external module such as a touch panel 412, various sensors 414, an RF / baseband circuit 416, and an interface between the CPU 450 and the memory 404 and the external module. The GPU 466 is connected to the bus 452, performs graphic processing and parallel calculation delegated by the CPU 450, and returns the result to the CPU 450 via the bus 452.

FIG. 12 shows a control structure of a program that realizes a process of transmitting the attribute information of the holder to the surroundings based on the information received from the edge server 70 by the mobile phone 86 in a flowchart format. With reference to FIG. 12, this program determines whether or not any communication has been received from step 500 within a predetermined time, and the determination of step 500 and step 500, which branch the control flow according to the determination, is affirmative. Yes, when the received information is attribute information, the received attribute information and the lifetime information are overwritten and saved in the attribute information storage unit 352 (FIG. 9), and the received information is the position transmission area information. Occasionally, step 504 of overwriting and saving the traffic support information in the traffic support information storage unit 354 (FIG. 9), and when the received information is traffic support information, the information is stored in the position transmission area information storage unit 356 (FIG. 9). It includes step 506 for overwriting and saving in 9), and step 508 for transmitting own position information and attribute information stored in the attribute information storage unit 352 to the surroundings when the determination in step 500 is negative.

This program is further executed after steps 502, 504 and 506 to determine if a pedestrian with the mobile phone 86 is in the location transmission area based on the location information of the mobile phone 86 and if the determination is affirmative. Of the attribute information stored in the attribute information storage unit 352, which is executed when the determination in step 580 is negative and after the completion of step 508, in step 580 for shifting control to step 508, according to the lifetime information. It is determined whether or not it is the timing to transmit the position information of the mobile phone 86 to the edge server 70, which is executed after step 509 and step 509 for managing the attribute information for deleting the one whose specified period has passed, and the determination is made. If negative, it includes step 510 for returning the control to step 500, and step 512 for transmitting the position information of the mobile phone 86 and the current time at that time to the edge server 70 when the determination in step 510 is affirmative. When communication with the edge server 70 is not possible, even if the information is transmitted in step 512, the information does not reach the edge server 70, but when communication with the edge server 70 becomes possible at any timing, the edge server 70 uses the mobile phone 86. Location information can be received. In this embodiment, the current time is acquired from a timer (not shown), but it may be acquired from the GPS module 402 shown in FIG.

FIG. 13 shows the details of step 509 of FIG. With reference to FIG. 13, this program performs attribute information stored in the attribute information storage unit 352 following step 550 and step 550 of initializing the work area in the memory for creating a new lifetime table. Includes step 552 to read the file. In this example, the attribute information is stored in the memory in a file format, but it may be stored in the database together with other formats such as other information.

This program further stores in step 554 for executing the following process 556 for each attribute described in the attribute information file read in step 552, and in the attribute information storage unit 352 with the value of the work area after step 554. It includes a process 558 that overwrites the attribute information file and ends the attribute information management process.

In the process 556, the current time of the attribute to be processed is the generation time of the value of the attribute (the latest time when the edge server 70 estimates the value of the attribute) and the life attached to the attribute information. It is determined whether or not it is after the sum of the period determined by the time, and if the determination is affirmative, step 570 for ending the process 556 for the target attribute and when the determination in step 570 is negative, that is, for that attribute When the sum of the value generation time and the period determined by the lifetime attached to the attribute information is later than the current time, the attribute information and the lifetime information are posted to the work area and processing 556 is performed. Includes step 572 and the end.

<motion>
<< Edge Server 70 >>
The above system operates as follows. With reference to FIG. 5, the lifetime table storage unit 234 stores the value and the lifetime set value for each attribute in association with each other. The infrastructure sensor equipment device 80, the roadside camera 82, the vehicle-mounted device mounted on the vehicle 90, and the like shown in FIG. 2 transmit sensor data to the edge server 70 at predetermined intervals. The in-vehicle device (vehicle) and the mobile phone 86 and the like held by the pedestrian 84 transmit their own position information to the edge server 70.

With reference to FIG. 4, the reception processing unit 210 of the edge server 70 receives this information. The reception processing unit 210 stores the position information from the in-vehicle device, the mobile phone 86, and the like among the received data in the vehicle / terminal tracking unit 220. The reception processing unit 210 gives the sensor data in the received data to the motion tracking unit 212 and the attribute detection unit 216.

The moving object tracking unit 212 analyzes the sensor data received from the receiving processing unit 210, detects a moving object in the real space, estimates its position, and performs tracking. The moving object tracking unit 212 stores the analysis result in the analysis result storage unit 214. The attribute detection unit 216 analyzes the sensor data received from the reception processing unit 210, detects the attribute of each moving body from the image of each moving body in the real space, and outputs the attribute information representing the attribute. The analysis result storage unit 218 stores the attribute information of the moving body detected by the attribute detecting unit 216 for each moving body. The vehicle / terminal tracking unit 220 constantly updates and maintains the positions of the vehicle, mobile phone, etc., based on the position information of the moving body in the data received from the reception processing unit 210, and the terminal identification information, the position, and the terminal. Track speed etc. The vehicle / terminal information storage unit 222 stores information on the vehicle / terminal, etc. obtained by the vehicle / terminal tracking unit 220, including past information.

The integrated processing unit 224 of the edge server 70 integrates the analysis result regarding the position of the moving body stored in the analysis result storage unit 214 and the attribute information of each moving body stored in the analysis result storage unit 218. The analysis result storage unit 226 stores the analysis result integrated for each moving body by the integrated processing unit 224 (above, step 310 in FIG. 8). The information transmission unit 228 generates traffic support information based on the analysis result stored in the analysis result storage unit 226, and transmits the traffic support information to each vehicle via the transmission processing unit 230 (step 312 in FIG. 8).

The pedestrian / terminal identification unit 232 is based on the vehicle / terminal information stored in the vehicle / terminal tracking unit 220 and the attribute information included in the analysis result of each moving object stored in the analysis result storage unit 226. It is determined whether or not there is a pedestrian (step 314 in FIG. 8). If there are no pedestrians, the pedestrian / terminal identification unit 232 does nothing and waits until the next reception of sensor data (the determination in step 314 in FIG. 8 is NO). When even one pedestrian is detected (the determination in step 314 of FIG. 8 is YES), the pedestrian / terminal identification unit 232 executes the process 318 of FIG. 8 for each pedestrian. In the process 318, the pedestrian / terminal identification unit 232 assumes a movement range having a predetermined radius (movement range 100, 102, 104, 106, etc. in FIG. 3) centered on the pedestrian to be processed, and within the area. It is determined whether or not a mobile phone and a pedestrian are detected in (step 330). As the radius of the movement range at this time, the pedestrian / terminal identification unit 232 determines the movement range using the above equation (1) including not only the spatial distance but also the temporal distance.

As a result of the processing in step 330, the pedestrian / terminal identification unit 232 determines whether or not there is another pedestrian within the movement range centered on the pedestrian to be processed (step 332). If this determination is affirmative, it is impossible to identify the owner of the mobile phone even if the mobile phone exists within the moving range. Therefore, in that case (YES in step 332 of FIG. 8), the execution of the process 318 for the pedestrian to be processed is terminated.

When there is no other pedestrian in the movement range centered on the pedestrian to be processed (NO in step 332 of FIG. 8), that is, when there is only the target pedestrian in the movement range, the pedestrian. The terminal identification unit 232 determines whether or not there is a mobile phone within the moving range (step 334). If there is no mobile phone within the movement range (NO in step 334), the pedestrian / terminal identification unit 232 ends the execution of the process 318 for the pedestrian to be processed. If there is at least one mobile phone within the moving range (YES in step 334), the pedestrian / terminal identification unit 232 identifies the pedestrian to be processed as the holder of the mobile phone (step 336). Even when there are a plurality of mobile phones within the moving range, the pedestrian / terminal identification unit 232 identifies the pedestrian to be processed as the holder of all the mobile phones.

The pedestrian / terminal identification unit 232 further refers to the life time table stored in the lifetime table storage unit 234, and attributes information representing the attribute values of the identified pedestrians, the lifetime information, and the same. The information that identifies the mobile phone held by the pedestrian is summarized (step 338). The pedestrian / terminal identification unit 232 transmits this data to all the mobile phones whose existence has been confirmed in step 334 in order to transmit the data including the attribute information and the lifetime thus generated. It is output to the information transmission unit 228 together with the address. The information transmission unit 228 transmits this data to the designated mobile phone address via the transmission processing unit 230 (step 340).

《Mobile phone 86》
The mobile phone 86 operates as follows. With reference to FIG. 9, the position information acquisition unit 358 periodically acquires the position information and gives it to the position information transmission unit 360 and the attribute information transmission unit 362.

With reference to FIGS. 9 and 12, when the mobile phone 86 can communicate with the edge server 70, the reception processing unit 350 of the mobile phone 86 transmits the attribute information, traffic support information, and location transmission of the holder from the edge server 70. Receive area information (YES in step 500 in FIG. 12). The attribute information storage unit 352, the traffic support information storage unit 354, and the position transmission area information storage unit 356 store these information, respectively (steps 502, 506, and 504 in FIG. 12). The traffic support processing unit 368 uses the traffic support information stored in the traffic support information storage unit 354 to perform processing for traffic support according to the operation of the holder of the mobile phone 86.

After steps 502, 504 and 506, the determination of step 580 is made. If a pedestrian with the mobile phone 86 is in the location transmission area (YES in step 580), step 508 is executed. That is, the position information and attribute information of the pedestrian are transmitted to the surrounding vehicles. If the pedestrian is not in the position transmission area (NO in step 580), control moves to step 509.

When the determination in step 580 is negative, and after the process in step 508 is executed, the attribute information management process in step 509 is executed. With reference to FIG. 13, the CPU 450 shown in FIG. 11 initializes the work area in the memory 404 at the beginning of the attribute information management process (step 550). The CPU 450 reads the attribute information file stored in the memory 404 (step 552). The CPU 450 executes the process 556 for each attribute described in the read attribute information file.

In the process 556, the CPU 450 compares the current time output by the position information acquisition unit 358 with the value obtained by adding the generation time of the attribute to be processed and its lifetime (step 570). If the former is larger than the latter (YES in step 570), nothing is done. That is, the attribute is not posted to the work area. On the other hand, if the former is before the latter, the CPU 450 posts the attribute information to the work area.

In this way, after step 554 is completed for all the attributes, the attribute information file is updated using the information of the work area in the process 558. By this process, among the attribute information described in the attribute information file, the attribute information whose lifetime has elapsed since it was generated is deleted, and only the other attribute information remains in the attribute information file. Lifetime is defined to be positively correlated with the length of time required to change. Therefore, for attributes that require a long period of time to change, such as adults and children, their values do not change in a short period of time. On the other hand, the values of attributes that may change constantly, such as body orientation and face orientation, are updated in a short period of time.

When step 509 is completed, it is determined in step 510 whether or not it is time to transmit the location information of the mobile phone to the server. If the determination is YES, the mobile phone transmits the location information to the edge server 70. Depending on the position of the mobile phone, it is not known whether or not this transmission is received by the edge server 70, but even if the reception cannot be confirmed, the mobile phone does nothing more. If the determination in step 510 is negative, the mobile phone does nothing. In either case, control returns to step 500.

More specifically, the operation of the system of this embodiment will be described with reference to FIG. When the pedestrian with the mobile phone 86 is at the position of the pedestrian 84, the mobile phone 86 transmits the position information to the edge server 70. Sensor data from the infrastructure sensor equipment device 80, the roadside camera 82, the vehicle sensor of the vehicle 90, and the like are also transmitted to the edge server 70. The edge server 70 analyzes this information and generates and manages the traffic condition bird's-eye view map 52 shown in FIG. The edge server 70 transmits the traffic support information obtained from the traffic situation bird's-eye view map 52 to each vehicle.

The edge server 70 also attempts to identify the pedestrian 84 as a pedestrian holding the mobile phone 86. When the edge server 70 can identify the pedestrian 84 as a pedestrian holding the mobile phone 86, the edge server 70 transmits the attribute information of the pedestrian 84, its lifetime setting value, and the position transmission area information to the mobile phone 86. Send to. Otherwise, the edge server 70 does not send this information to the mobile phone 86. The mobile phone 86 and the edge server 70 repeat this process while they can communicate with each other.

It is assumed that the pedestrian 84 has moved to the position of the pedestrian 88. If this area is registered in advance in the position transmission area information storage unit 236 as a position transmission area, or if the mobile phone 86 cannot communicate with the edge server 70 in this area, the mobile phone 86 receives in advance from the edge server 70. The attribute information of the stored pedestrian 88 and its position information (position / attribute information) are transmitted to surrounding vehicles. The surrounding vehicles can receive this position / attribute information to know the position and attributes of the pedestrian. As a result, each vehicle can use the information for driving assistance. During this period, among the attribute information transmitted from the mobile phone 86, the mobile phone 86 continuously transmits the attribute information having a long lifetime setting value to the surroundings. However, the mobile phone 86 transmits the attribute information having a short lifetime set value only for a very short period of time, and stops the transmission when the lifetime set value elapses. When communication with the edge server 70 becomes possible, the mobile phone 86 stops transmitting the position / attribute information to the outside.

As a result, the surrounding vehicles continue to receive the attributes of the pedestrian 88 that are difficult to change, and receive the pedestrian 88 that changes in a short time only for a short time and do not receive it after that. However, when the edge server 70 and the mobile phone 86 can communicate with each other, the position / attribute information is always updated to a new value. Therefore, useless information is not transmitted, and only appropriate information is transmitted to each vehicle.

As described above, according to this disclosure, when a mobile phone held by a pedestrian is in a position where it can communicate with a traffic support server such as an edge server, the traffic support server attempts to identify the pedestrian of the mobile phone. If the pedestrian can be identified, the traffic support server transmits the attribute of the pedestrian and its lifetime estimated based on various sensor data to the mobile phone. At the same time, the traffic support server also transmits the location transmission area information to the mobile phone.

If a pedestrian with a mobile phone enters the location transmission area, or if the mobile phone cannot communicate with the edge server 70 in the area where the pedestrian is, the mobile phone will provide position / attribute information about the pedestrian. Send to surrounding vehicles. Surrounding vehicles can confirm the position of the pedestrian and know its attributes. As a result, there is an effect that pedestrians can be protected even when the traffic support by the traffic support server is not received or only incomplete service is received. Even if communication between the mobile phone and the edge server 70 is possible in the area where the pedestrian is present, if the area is within the position transmission area or the pedestrian gives a special instruction to the mobile phone, the mobile phone is carried. It is also possible to send position / attribute information about the pedestrian from the telephone to the surroundings.

<Second Embodiment>
<Constitution>
In the traffic support system according to the first embodiment, as shown in FIG. 12, when the edge server 70 cannot communicate with the mobile phone 86 (NO in step 500), and the mobile phone 86 (and the mobile phone). When the pedestrian holding the telephone 86) enters the position transmission area, the mobile phone 86 transmits the position / attribute information of the pedestrian to the surrounding vehicles. However, this disclosure is not limited to such embodiments. For example, the mobile phone 86 may transmit information about a pedestrian to the surroundings only when the communication between the edge server 70 and the mobile phone 86 becomes impossible. The traffic support system according to the second embodiment is such a system.

The configuration of the edge server in the second embodiment is the edge server 70 of FIG. 4 excluding the position transmission area information storage unit 236. The pedestrian / terminal identification unit 232 does not transmit the position transmission area information to the mobile phone 86. Other than that, the edge server according to this embodiment is the same as the edge server 70 of FIG.

On the other hand, the mobile phone according to this embodiment is the mobile phone 86 shown in FIG. 9 excluding the position transmission area information storage unit 356. The control structure of the program executed by the mobile phone is as shown in FIG. Other than that, this mobile phone is the same as the mobile phone 86 shown in FIG.

With reference to FIG. 14, the program executed by the mobile phone according to this embodiment differs from that shown in FIG. 12 in that it does not have step 504 and step 580 shown in FIG. The program is otherwise identical to that shown in FIG.

<motion>
In this embodiment, when the edge server and the mobile phone can communicate with each other, the edge server attempts to identify the pedestrian holding the mobile phone in the mobile phone. If the edge server can identify the pedestrian, the edge server sends the attribute information of the pedestrian to the mobile phone together with the lifetime setting value. Unlike the first embodiment, the location transmission area information is not stored in the edge server. The edge server does not send the location transmission area information to the mobile phone.

It is assumed that the mobile phone is in a position where it can communicate with the edge server, and the edge server can identify the pedestrian holding the mobile phone. Then, the mobile phone receives the attribute information of the pedestrian and the lifetime set value from the edge server (step 500 → 502 in FIG. 14). The mobile phone does not receive the location transmission area information from the edge server, and even if it does, the mobile phone does nothing to that information.

When the mobile phone cannot communicate with the edge server, the determination in step 500 in FIG. 14 is denied, and the control proceeds to step 508. In step 508, the mobile phone transmits the position / attribute information including the attribute information and the lifetime information received in step 502 and the position information obtained from the position information acquisition unit 358 of FIG. 9 to the surrounding vehicles.

After that, the process of step 509 or less is executed as in the first embodiment.

In this second embodiment, the area in which the mobile phone transmits the position / attribute information of the holder to the surroundings cannot be specified in advance. However, when the mobile phone cannot communicate with the edge server, the same process is executed. Therefore, the same effect as that of the first embodiment can be obtained in the area where communication with the edge server 70 is not possible. It is not necessary to specify the position transmission area information, and it is not necessary to prepare a storage area for storing it. Therefore, there is an effect that it can be easily introduced as compared with the first embodiment.

<Third embodiment>
<Constitution>
In the first embodiment, the position / attribute information of the pedestrian holding the mobile phone 86 is obtained when the mobile phone 86 cannot communicate with the edge server 70 and when the mobile phone 86 enters the position transmission area. Send to the surroundings. In the second embodiment, the position / attribute information of the pedestrian holding the mobile phone is transmitted to the surroundings only when the mobile phone cannot communicate with the edge server. However, this disclosure is not limited to such embodiments. The system according to the third embodiment is a pedestrian when the mobile phone cannot communicate with the edge server and when the mobile phone receives a transmission request of attribute information and position information from a surrounding vehicle or the like. The position / attribute information of is transmitted to surrounding vehicles.

The configuration of the edge server according to this embodiment is the same as that in the first embodiment. On the other hand, FIG. 15 shows the functional configuration of the mobile phone, and FIG. 16 shows the control structure of the program executed by the mobile phone.

With reference to FIG. 15, the mobile phone 600 differs from the mobile phone 86 of the first embodiment shown in FIG. 9 in that the reception processing unit 350 has attributes from surrounding vehicles instead of the attribute information transmission unit 362. Attribute to transmit position / attribute information including attribute information stored in attribute information storage unit 352 and position acquired by position information acquisition unit 358 to surrounding vehicles in response to receiving a request for transmission of information. This is a point including the information transmission unit 610. Similar to the attribute information transmission unit 362 shown in FIG. 9, the attribute information transmission unit 610 has a function of transmitting position / attribute information to surrounding vehicles when communication with the edge server becomes impossible, and a position information acquisition unit 358. Comparing the acquired position information with the position transmission area information stored in the position transmission area information storage unit 356, when the position of the mobile phone 600 is within the area specified by the position transmission area information, the position / attribute It also has a function to send information to the surroundings.

The hardware configuration of the mobile phone 600 according to the third embodiment is the same as that shown in FIG.

FIG. 16 shows a control structure of a program executed by the controller of the mobile phone 600 according to the third embodiment in a flowchart format. With reference to FIG. 16, this program differs from that of the first embodiment shown in FIG. 12 by determining whether or not any communication has been received from the outside within a predetermined time before step 500. A point including step 630 in which control is transferred to step 500 when received and control is transferred to step 508 when not received, and when the determination in step 500 is negative (communication received in step 630 is not communication from the edge server). (When it is determined), it is determined whether or not the communication received in step 630 is a request for transmission of position / attribute information from an external vehicle. If the determination is affirmative, control is transferred to step 508, and the determination is negative. It is a point that sometimes includes step 632, which transfers control to step 509. In other respects, the flowchart shown in FIG. 16 is the same as that shown in FIG.

<motion>
The edge server according to this embodiment operates in the same manner as the edge server 70 according to the first embodiment.

The mobile phone according to this embodiment operates in the same manner as the mobile phone 86 according to the first embodiment, and also performs the following operations. That is, when a transmission request for position / attribute information is received from an external vehicle (YES in step 630 in FIG. 16, NO in step 500, YES in step 632), the attributes stored in the attribute information storage unit 352 in FIG. 15 The position / attribute information including the information and the position coordinates of the mobile phone 600 acquired when the position information acquisition unit 358 is executed in step 508 is transmitted to the surrounding vehicles.

As a result, in the mobile phone 600 according to this embodiment, when the mobile phone 600 cannot communicate with the edge server, when the mobile phone 600 exists in the position transmission area, and when the position information is transmitted from surrounding vehicles. When requested, in any case, the position / attribute information of the pedestrian holding the mobile phone 600 is transmitted to the surroundings.

As described above, according to this embodiment, when the pedestrian holding the mobile phone 600 enters the area where the mobile phone 600 cannot communicate with the edge server, the mobile phone 600 is automatically carried around. The position / attribute information including the position of the telephone 600 and the attribute information of the pedestrian holding the mobile phone 600 is transmitted to the surroundings. Therefore, driving support for vehicles around pedestrians can be provided even in areas where traffic support by the edge server cannot be received. As described above, even in an area where the mobile phone 600 can communicate with the edge server, it is possible to transmit the position / attribute information stored about the pedestrian from the mobile phone to the surroundings.

Even when a pedestrian holding the mobile phone 600 enters the position transmission area, the mobile phone 600 automatically includes the position of the mobile phone 600 and the attribute information of the pedestrian holding the mobile phone 600. -Send attribute information to the surroundings. Therefore, by registering intersections with heavy traffic, points where pedestrian-related traffic accidents occur frequently, etc. in the mobile phone 600 in advance as location transmission areas, such points can be used in areas other than areas where communication with the edge server is not possible. However, it is possible to provide driving assistance to surrounding vehicles to protect pedestrians.

When the vehicle sends a transmission request for the position / attribute information to surrounding pedestrians, the mobile phone 600 responds to the transmission request with the position coordinates of the mobile phone 600 and walking holding the mobile phone 600. The position / attribute information including the attribute information of the person is transmitted to the surroundings. As a result, driving support for protecting pedestrians can be provided to surrounding vehicles even in areas other than the area where communication with the edge server is not possible and the area registered as the position transmission area in advance.

In the above embodiment, the location information is transmitted from the mobile phone to the surroundings when the transmission with the edge server 70 is not possible. However, this disclosure is not limited to such embodiments. Any combination of the functions described as the functions of the mobile phone in the above three embodiments may be incorporated into the mobile phone.

[Realization by computer]
As shown in FIGS. 6 and 7, any of the edge servers used in the above embodiments can be realized by computer hardware, peripheral devices thereof, and a program executed on the computer hardware. Further, as shown in FIGS. 10 and 11, any of the mobile phones used in the above-described embodiment can be realized by the computer hardware, its peripheral devices and peripheral modules, and the program executed on the computer hardware. ..

The computer program for causing the computer 240 to function as each functional unit of the edge server according to each of the above-described embodiments is stored in the DVD 252 mounted on the DVD drive 250 or the semiconductor memory 256 mounted on the semiconductor memory port 274. And are further transferred from these to the hard disk drive 270. Alternatively, the program may be transmitted to the computer 240 through the network 254 and the network I / F 272 and stored in the hard disk drive 270. The program is loaded into RAM 268 at run time. The program may be loaded directly into RAM 268 from DVD 252 or via network 254 and network I / F 272. The ROM 266 stores a program for starting the computer 240. The RAM 268 and the hard disk drive 270 are used to store data such as sensor data, analysis results, and vehicle information. The GPU 264 is for executing numerical calculations and the like in parallel at high speed. It is used when analyzing sensor data from a large number of sensors. The monitor 242, the keyboard 246, and the mouse 248 are used by the edge server administrator when operating the edge server.

This program includes an instruction sequence including a plurality of instructions for causing the computer 240 to function as an edge server according to each of the above embodiments and each functional unit thereof. Some of the basic functions required to get the computer 240 to do this are any operating system or third-party program running on the computer 240 or various dynamically linkable programming toolkits or programs installed on the computer 240. Provided by the library. Therefore, the program itself does not necessarily have to include all the functions necessary to realize the systems, devices and methods of this embodiment. The system described above, by dynamically calling the appropriate function or the appropriate program in a programming toolkit or program library at runtime in a controlled manner to obtain the desired result of the instructions. It only needs to contain instructions that implement the function as a device or method. Of course, the program alone may provide all the necessary functions.

Similarly, in this embodiment, the computer program for causing the controller 400 shown in FIG. 11 to function as each functional unit of the mobile phone according to each of the above-described embodiments is the RF / baseband circuit 416 or the wireless communication module 418. It is transmitted from the external network to the controller 400 by wireless communication, and is stored in the memory 404 via the memory controller 454. If the mobile phone has a memory card processing module, the program can be transferred from the memory card to the memory 404. The program stored in the memory 404 is read by the CPU 450 at the time of execution, interpreted, and executed. The execution result is transferred to the address determined by the program. Data is stored in the memory specified by this address or transferred to a given module for processing. The program may be executed directly from a memory card or the like.

This program includes an instruction sequence including a plurality of instructions for causing the controller 400 to function as the mobile phone according to each of the above embodiments and each functional unit thereof. Some of the basic functions required to get the controller 400 to do this are any operating system or third-party program running on the controller 400 or various dynamically linkable programming toolkits or programs installed on the controller 400. Provided by the library. Therefore, the program itself does not necessarily have to include all the functions necessary to realize the systems, devices and methods of this embodiment. The system described above, by dynamically calling the appropriate function or the appropriate program in a programming toolkit or program library at runtime in a controlled manner to obtain the desired result of the instructions. It only needs to contain instructions that implement the function as a device or method. Of course, the program alone may provide all the necessary functions.

The operations of the computer 240 shown in FIG. 7 and the controller 400 shown in FIG. 11 and their peripheral devices are well known or have nothing to do with this disclosure. Therefore, the detailed configuration and operation thereof will not be described further in this specification.

The embodiments disclosed this time are merely exemplary, and the disclosure is not limited to the embodiments described above. The scope of this disclosure is indicated by each claim of the claims, taking into account the description of the detailed description of the disclosure, and all changes within the meaning and scope equivalent to the wording contained therein. Including.

50 Real space 52 Traffic situation bird's-eye view map 70 Edge server 72 Base station 80 Infrastructure sensor equipment 82 Roadside camera 84, 88 Pedestrian 86, 600 Mobile phone 90 Vehicle 100, 102, 104, 106 Movement range 210, 350 Reception processing unit 212 Motion tracking unit 214, 218, 226 Analysis result storage unit 216 Attribute detection unit 220 Vehicle / terminal tracking unit 222 Vehicle / terminal information storage unit 224 Integrated processing unit 228,364 Information transmission unit 230, 366 Transmission processing unit 232 Pedestrian / terminal Identification unit 234 Lifetime table storage unit 236,356 Position transmission area information storage unit 240 Computer 242, 410 Monitor 246 Keyboard 248 Mouse 250 DVD drive 252 DVD
254 Network 256 Semiconductor memory 260, 450 CPU
262,452 Bus 264 GPU
266 ROM
268 RAM
270 Hard Disk Drive 272 Network I / F
274 Semiconductor memory ports 310, 312, 314, 316, 330, 332, 334, 336, 338, 340, 500, 502, 504, 506, 508, 509, 510, 512, 550, 552, 554, 570, 572, 580, 630, 632 Step 318, 556, 558 Processing 352 Attribute information storage unit 354 Traffic support information storage unit 356 Location transmission area information storage unit 358 Position information acquisition unit 360 Position information transmission unit 362, 610 Attribute information transmission unit 368 Traffic support Processing unit 400 Controller 402 GPS module 404 Memory 406 Power supply circuit 408 Audio circuit 409 Camera 412 Touch panel 414 Various sensors 416 RF / baseband circuit 418 Wireless communication module 454 Memory controller 456 Power supply management circuit 458 System management circuit 460 Media processing circuit 462 Display controller 464 Input / output I / F

Claims (18)

An infrastructure sensor equipment device installed on the roadside, a moving body sensor provided on a moving body, or a moving body detection device that receives and analyzes sensor data from both of them to detect the position of the moving body and its attributes.
A location information maintenance device that maintains the location information of the terminal by communicating with the terminal,
It is detected that the position of the first moving body detected by the moving body detecting device and the position of the first terminal maintained by the position information maintaining device satisfy a predetermined relationship, and the first An identification device that identifies the first mobile body as a mobile body equipped with one terminal,
A server device including an information transmission device that transmits attribute information representing an attribute detected by the mobile body detection device for the first mobile body to the first terminal. The information transmitting device is
An attribute determination device for determining whether or not the attribute detected by the mobile detection device for the first moving body is a predetermined attribute, and
In response to the determination by the attribute determination device that the attribute of the first mobile body is the predetermined attribute, the transmission processing unit that transmits the attribute information representing the predetermined attribute to the first terminal. The server device according to claim 1. The server device further includes a valid period storage unit that stores the valid period of the attribute information for each of the attribute information.
The information transmitting device uses the first terminal to store attribute information representing an attribute detected by the moving body detecting device for the first moving body and a valid period stored in the valid period storage unit for the attribute information. The server device according to claim 1, further comprising a transmitting device that transmits to. The server device according to claim 3, wherein the valid period is predetermined so as to have a positive correlation with the length of the period required for changing the attributes of the moving object. The server device according to claim 4, wherein the validity period stored in the validity period storage unit is an arbitrary value from 0 to infinity. The moving body detecting device includes the latest moving body detecting device that receives and analyzes the sensor data at a predetermined cycle to detect the latest position of the moving body and the latest attribute thereof.
The position information maintenance device includes the latest position information maintenance device that maintains the latest position information of the terminal at a predetermined cycle by communicating with the terminal held by the mobile body.
As long as the latest mobile body detecting device detects the position and attributes of the first moving body, the information transmitting device provides attribute information representing the latest attributes detected by the latest moving body detecting device. The server device according to claim 1, which includes a device for transmitting to the terminal of the above. The sensor data and the position information are each provided with time information indicating the time when the sensor data and the position information were acquired.
The identification device
Calculated between the position of the first moving object detected by the moving object detecting device and the time at that time, and the position of the first terminal maintained by the position information maintaining device and the time at that time. The server device according to claim 1, wherein the server device according to claim 1 detects that the distance is within a predetermined value and identifies the first mobile body as a mobile body provided with the first terminal. A location information acquisition device that acquires location information, and
A terminal including a first transmission device that transmits the location information to a predetermined external server.
An attribute information receiving device that receives attribute information representing the attributes of a mobile body having the terminal from an external server, and
An attribute information storage device that stores the attribute information received by the attribute information receiving device, and
A terminal including a second transmitting device that starts a process of transmitting the attribute information to the outside in response to the attribute information receiving device not receiving the attribute information from the external server. Further including a time information acquisition device for acquiring time information representing the time when the position information is acquired,
8. The first transmitting device includes a position / time information transmitting device that transmits the position information to the external server together with the time information acquired by the time information acquiring device when the position information is acquired. The terminal described in. The attribute information storage device updates the attribute information stored in the attribute information storage device with the new attribute information each time the attribute information receiving device receives new attribute information. The terminal according to claim 8 or 9, including the device. The attribute information has a valid period of the attribute information.
The attribute information storage device stores both the attribute information received by the attribute information receiving device and the validity period thereof.
Further, a time measuring device for measuring the elapsed time from the start of transmission of the attribute information by the second transmitting device, and a time measuring device.
For each of the attribute information stored in the attribute information storage device, the second transmission is performed in response to the elapsed time measured by the timekeeping device being equal to or longer than the valid period attached to the attribute information. The terminal according to claim 9 or 10, which includes an attribute transmission stop device for stopping the transmission of the attribute information by the device. The attribute transmission canceling device responds to each of the attribute information stored in the attribute information storage device that the elapsed time timed by the timing device is equal to or longer than the valid period attached to the attribute information. The terminal according to claim 11, further comprising an attribute information deleting device that deletes the attribute from the attribute information storage device. After the processing by the second transmitting device is started, the transmission processing by the second transmitting device is stopped in response to the reception of the new attribute information from the external server by the attribute information receiving device. The terminal according to any one of claims 8 to 12, further comprising a stop device. A mobile support system including the server device according to claim 1 and the terminal according to claim 8. A step in which a computer receives sensor data from an infrastructure sensor equipment device provided on the roadside, a moving body sensor provided in a moving body, or both, and analyzes the sensor data to detect the position of the moving body and its attributes.
A step in which a computer maintains the location information of a terminal by communicating with the terminal,
It is detected that the position of the first moving body detected in the step of detecting the attribute by the computer and the position of the first terminal maintained by the step of maintaining the position information satisfy a predetermined relationship. Then, the step of identifying the first mobile body as the mobile body provided with the first terminal, and
A mobile body support method including a step in which a computer transmits attribute information detected in a step of detecting the attribute of the first mobile body to the first terminal. Computer,
An infrastructure sensor equipment device installed on the roadside, a moving body sensor provided on a moving body, or a moving body detection device that receives and analyzes sensor data from both of them to detect the position of the moving body and its attributes.
A location information maintenance device that maintains the location information of the terminal by communicating with the terminal,
It is detected that the position of the first moving body detected by the moving body detecting device and the position of the first terminal maintained by the position information maintaining device satisfy a predetermined relationship, and the first An identification device that identifies the first mobile body as a mobile body equipped with one terminal,
A computer program that functions as an information transmission device that transmits attribute information detected by the mobile body detection device for the first mobile body to the first terminal. The steps that the computer gets the location information,
A method of controlling a terminal, comprising a first transmission step in which a computer transmits the location information to a predetermined external server.
A step in which the computer receives attribute information representing the attributes of the mobile body having the terminal from an external server.
A step in which the computer stores the attribute information received in the step of receiving the attribute information in the storage device,
A terminal control method including a step of starting a process of transmitting the attribute information to the outside in response to a step in which the computer no longer receives the attribute information from the external server in the step of receiving the attribute information. .. Computer,
A location information acquisition device that acquires location information, and
A computer program that functions as a terminal including a first transmission device that transmits the location information to a predetermined external server, and further comprises a computer.
An attribute information receiving device that receives attribute information representing the attributes of a mobile body having the terminal from an external server, and
An attribute information storage device that stores the attribute information received by the attribute information receiving device, and
A computer program that functions as a second transmitting device that starts a process of transmitting the attribute information to the outside in response to the attribute information receiving device not receiving the attribute information from the external server.

Images