# US 12,008,894 B2 · Roadside information processing system

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- Number: US 12,008,894 B2
- Document ID: US12008894B2
- Status: Granted
- Kind: B2
- Application number: 17/083,555
- Filed: 2020-10-29
- Published: 2021-03-11
- Granted: 2024-06-11
- Earliest claimed: 2018-06-06
- Assignees: Mitsubishi Electric Corporation
- Applicants: Mitsubishi Electric Corporation
- Inventors: Seiji Kozaki; Kenichi Nakura; Takeshi Suehiro
- Web page: https://patentgrep.com/patent/US12008894B2

## CPC

- G08G 1/0133: {for classifying traffic situation}
- B60W 40/04: Traffic conditions
- B60W 40/072: Curvature of the road
- G08G 1/0112: {from the vehicle, e.g. floating car data [FCD]}
- G08G 1/0116: {from roadside infrastructure, e.g. beacons}
- G08G 1/0141: {for traffic information dissemination}
- G08G 1/056: with provision for distinguishing direction of travel
- G08G 1/096783: {where the origin of the information is a roadside individual element}
- H04W 4/44: for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
- B60W 2520/06: Direction of travel
- B60W 2552/20: Road profile, i.e. the change in elevation or curvature of a plurality of continuous road segments
- B60W 2554/406: Traffic density
- G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93})
- B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A roadside information processing system according to the present disclosure includes a plurality of roadside devices installed on a roadside of a road and capable of communicating with a vehicle travelling on the road, and a plurality of sensors installed on the roadside to perform sensing on the road and its periphery, wherein at least one of the roadside devices includes an edge-server processing unit to obtain first information from in-vehicle devices included in the vehicles and from some of the plurality of the sensors, the first information indicating information about a periphery of the vehicles and about the road and its periphery, and to generate second information by using the first information, the second information indicating a position of the vehicles, a movement direction of the vehicles, and traffic jam conditions on the road.

## Claims

### Claim 1

A roadside information processing system comprising:
a plurality of roadside devices installed on a roadside of a road and capable of communicating with a vehicle travelling on the road; and
a plurality of sensors installed on the roadside to perform sensing on the road and a periphery thereof, wherein
at least one of the roadside devices includes processing circuitry to perform edge-server processing to obtain first information from an in-vehicle device included in the vehicle and from some of the plurality of sensors, the first information indicating information about a periphery of the vehicle and about the road and a periphery thereof, and to generate second information by using the first information, the second information indicating a position of the vehicle, a movement direction of the vehicle, and traffic jam conditions on the road,
the processing circuitry is configured
to connect to some of the plurality of roadside devices or some of the plurality of sensors,
to determine a connection destination and to determine whether the connection destination is some of the plurality of sensors configured to output the first information without holding the first information therein,
to generate a virtual area for holding sensor information indicating information sensed and generated by each of said some of the plurality of sensors, and
to obtain the sensor information for each of said some of the plurality of sensors from the virtual area, and to transmit the sensor information.

### Claim 2 (depends on 1)

The roadside information processing system according to claim 1, wherein
when the processing circuitry determines that a connection destination is the in-vehicle device, the processing circuitry obtains in-vehicle sensor information from the in-vehicle device, the in-vehicle sensor information being information sensed and generated by an in-vehicle sensor included in the vehicle, and
the first information includes the in-vehicle sensor information.

### Claim 3 (depends on 1)

The roadside information processing system according to claim 1, wherein the processing circuitry is implemented by a processor and a memory, and a program for edge-server processing is installed in the memory in addition to existing application software included in a roadside device.

### Claim 4 (depends on 2)

The roadside information processing system according to claim 2, wherein the processing circuitry is implemented by a processor and a memory, and a program for edge-server processing is installed in the memory in addition to existing application software included in a roadside device.

### Claim 5 (depends on 1)

The roadside information processing system according to claim 1, wherein the at least one of the roadside devices which includes the processing circuitry, is selected from among a plurality of roadside devices, on a basis of a shape of the road, positions of the sensors, and positions of the roadside devices.

### Claim 6 (depends on 2)

The roadside information processing system according to claim 2, wherein the at least one of the roadside devices which includes the processing circuitry, is selected from among a plurality of roadside devices, on a basis of a shape of the road, positions of the sensors, and positions of the roadside devices.

### Claim 7 (depends on 1)

The roadside information processing system according to claim 1, wherein from which of the plurality of roadside devices and from which of the plurality of sensors the processing circuitry obtains the first information, are determined by a shape of the road, positions of the roadside devices, and positions of the sensors.

### Claim 8 (depends on 2)

The roadside information processing system according to claim 2, wherein from which of the plurality of roadside devices and from which of the plurality of sensors the processing circuitry obtains the first information, are determined by a shape of the road, positions of the roadside devices, and positions of the sensors.

### Claim 9 (depends on 3)

The roadside information processing system according to claim 3, wherein from which of the plurality of roadside devices and from which of the plurality of sensors the processing circuitry obtains the first information, are determined by a shape of the road, positions of the roadside devices, and positions of the sensors.

### Claim 10 (depends on 4)

The roadside information processing system according to claim 4, wherein from which of the plurality of roadside devices and from which of the plurality of sensors the processing circuitry obtains the first information, are determined by a shape of the road, positions of the roadside devices, and positions of the sensors.

### Claim 11 (depends on 5)

The roadside information processing system according to claim 5, wherein from which of the plurality of roadside devices and from which of the plurality of sensors the processing circuitry obtains the first information, are determined by a shape of the road, positions of the roadside devices, and positions of the sensors.

### Claim 12 (depends on 6)

The roadside information processing system according to claim 6, wherein from which of the plurality of roadside devices and from which of the plurality of sensors the processing circuitry obtains the first information, are determined by a shape of the road, positions of the roadside devices, and positions of the sensors.

### Claim 13 (depends on 1)

The roadside information processing system according to claim 1, wherein whether the processing circuitry is activated is determined by a shape of the road, positions of the sensors, and positions of the roadside devices.