The invention relates to a vehicle positioning system and method and a roadside device, and the vehicle positioning system comprises a roadside unit which further comprises a roadside sensor part which detects a vehicle entering a detection range; a roadside calculation unit that calculates position information of the detected vehicle; a roadside positioning unit that calculates high-precision absolute position information of the detected vehicle on the basis of the high-precision position information of the roadside sensor unit and the detected position information of the vehicle; the roadside communication part broadcasts broadcast information containing the detected high-precision absolute position information of the vehicle, the system further comprises a vehicle-mounted unit, and the vehicle-mounted unit further comprises a vehicle-mounted positioning part which records the position information of the vehicle through a vehicle-mounted sensor; an in-vehicle communication unit that receives broadcast information; and a vehicle-mounted calculation unit that acquires the high-precision absolute position information of the own vehicle from the received broadcast information and replaces the position information of the own vehicle with the high-precision absolute position information of the own vehicle.
本发明涉及一种车辆定位系统、方法及路侧装置,其中车辆定位系统包括:路侧单元,其进一步包括:路侧传感器部,其检测进入检测范围内的车辆;路侧计算部,其计算检测到的车辆的位置信息;路侧定位部,其根据路侧传感器部的高精度位置信息及检测到的车辆的位置信息计算检测到的车辆的高精度绝对位置信息;以及路侧通信部,其将包含检测到的车辆的高精度绝对位置信息的广播信息进行广播,系统还包括车载单元,车载单元进一步包括:车载定位部,其通过车载传感器记录自车位置信息;车载通信部,其接收广播信息;以及车载计算部,其从接收到的广播信息中获取自车的高精度绝对位置信息,并将自车位置信息替换为自车的高精度绝对位置信息。
Vehicle positioning system and method and roadside device
车辆定位系统、方法及路侧装置
2022-11-01
Patent
Electronic Resource
Chinese
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