Roadside detection system, roadside unit and roadside communication method thereof
First Claim
1. A roadside detection system, comprising:
- at least one sensor configured to detect at least one object within a detection range and transmit object information of the object, wherein the object information includes information of the object detected by the sensor at at least two time points; and
a roadside unit configured to receive a positioning signal from a satellite positioning system and obtain roadside latitude and longitude coordinates and an initialization parameter coordinate of the roadside unit,wherein the roadside unit receives the object information of the object from the sensor, and obtains object latitude and longitude coordinates, an object speed, an object acceleration, an object length and an object heading/direction of the object according to the roadside latitude and longitude coordinates, the initialization parameter coordinate and the object information, andwherein the roadside unit converts the object latitude and longitude coordinates, the object speed, the object acceleration, the object length and the object heading/direction of the object into a Vehicle-to-Vehicle Basic Safety Message format.
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Abstract
A roadside detection system, a roadside unit and a roadside communication method are provided. The roadside unit receives a positioning signal from a satellite positioning system and obtains roadside latitude and longitude coordinates and an initialization parameter coordinate. The roadside unit receives object information of the object. The roadside unit obtains object latitude and longitude coordinates, an object speed, an object acceleration, an object length, and an object heading/direction based on the roadside latitude and longitude coordinates, the initialization parameter coordinate, and the object information. The roadside unit converts the object latitude and longitude coordinates, the object speed, the object acceleration, the object length, and the object heading/direction into a V2V Basic Safety Message format.
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Citations
20 Claims
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1. A roadside detection system, comprising:
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at least one sensor configured to detect at least one object within a detection range and transmit object information of the object, wherein the object information includes information of the object detected by the sensor at at least two time points; and a roadside unit configured to receive a positioning signal from a satellite positioning system and obtain roadside latitude and longitude coordinates and an initialization parameter coordinate of the roadside unit, wherein the roadside unit receives the object information of the object from the sensor, and obtains object latitude and longitude coordinates, an object speed, an object acceleration, an object length and an object heading/direction of the object according to the roadside latitude and longitude coordinates, the initialization parameter coordinate and the object information, and wherein the roadside unit converts the object latitude and longitude coordinates, the object speed, the object acceleration, the object length and the object heading/direction of the object into a Vehicle-to-Vehicle Basic Safety Message format. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A roadside unit, comprising:
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a positioning signal receiver circuit configured to receive a positioning signal from a satellite positioning system to obtain roadside latitude and longitude coordinates and an initialization parameter coordinate of the roadside unit; a storage circuit including a vehicle-to-vehicle format conversion module; and a processing circuitry coupled to the positioning signal receiver circuit and the storage circuit, wherein the processing circuitry receives object information of at least one object from at least one sensor, wherein the object information includes information of the object detected by the sensor at at least two time points, wherein the processing circuitry obtains object latitude and longitude coordinates, an object speed, an object acceleration, an object length and an object heading/direction of the object according to the roadside latitude and longitude coordinates, the initialization parameter coordinate and the object information, and wherein the processing circuitry converts the object latitude and longitude coordinates, the object speed, the object acceleration, the object length and the object heading/direction of the object into a Vehicle-to-Vehicle Basic Safety Message format via the vehicle-to-vehicle format conversion module. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A roadside communication method for a roadside unit, the roadside communication method comprising:
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receiving a positioning signal from a satellite positioning system to obtain roadside latitude and longitude coordinates and an initialization parameter coordinate of the roadside unit; receiving, from at least one sensor, object information of at least one object, wherein the object information comprises information of the object detected by the sensor at at least two time points; calculating object latitude and longitude coordinates, an object speed, an object acceleration, an object length and an object heading/direction of the object according to the roadside latitude and longitude coordinates, the initialization parameter coordinate and the object information; converting the object latitude and longitude coordinates, the object speed, the object acceleration, the object length and the object heading/direction of the object into a Vehicle-to-Vehicle Basic Safety Message format; and broadcasting the Vehicle-to-Vehicle Basic Safety Message in a Roadside-to-Vehicle communication mode. - View Dependent Claims (17, 18, 19, 20)
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Specification