VEHICLE-MOUNTED DEVICE, SERVER, POSITIONING METHOD, AND INFORMATION TRANSMISSION METHOD

• Main Authors: YAMAZAKI YASUHISA, SHIRASAKI YOSHIMASA, SHIBATA JUN
• Format: Patent
• Language: English; Japanese
• Published: 22.02.2021
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SIGNALLING; SURVEYING; TESTING; TRAFFIC CONTROL SYSTEMS

To provide a vehicle-mounted device capable of deriving a high-precision positioning solution.SOLUTION: A vehicle-mounted device provided herein comprises: a reception unit configured to receive, from a second roadside unit, correction information for correcting positioning data received from a satellite during a period from the end of communication with a first roadside unit to the start of communication with the second roadside unit; and a processor configured to derive a positioning solution for the period using the positioning data received during the period and the correction information.SELECTED DRAWING: Figure 20 【課題】高精度測位解を算出する車載器を提供すること。【解決手段】車載器は、第１の路側機との通信を終了してから第２の路側機と通信を開始するまでの間における衛星からの測位受信データを補正するための補正情報を、第２の路側機から受信する受信部と、前記間における測位受信データと、補正情報とを用いて、前記間における測位解を算出するプロセッサと、を有する。【選択図】図２０