Road traffic intelligent accurate positioning system and method based on RTK

• Main Authors: WANG WEI, LIU LEI, REN ZIHUI, ZHU YIYUN, SUN YUTENG, YAN QIYUN, LUO JINGJING, PENG YEHUA, XUAN WEI
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SIGNALLING; TESTING; TRAFFIC CONTROL SYSTEMS

The invention discloses a road traffic intelligent accurate positioning system and method based on RTK, and the system comprises the following modules: a traffic supervision center which is used for achieving the cooperative management and linkage operation of road traffic; the mobile positioning module is used for realizing accurate positioning of the mobile vehicle; the road condition monitoring module is used for monitoring the road surface health condition; the auxiliary driving module is used for carrying out auxiliary driving in combination with vehicle positioning and road conditions; the navigation planning module is used for providing real-time traffic path planning and navigation; the user operation terminal is used for providing a user operation and feedback interface; and the fixed base station is used for receiving and transmitting signals and accurately calculating the coordinate position of the vehicle. A partial ambiguity fixing technology is introduced into the RTK positioning algorithm, part