POSITION CALCULATION DEVICE, WIRELESS BASE STATION, POSITION CALCULATION METHOD, AND POSITIONING CONTROL METHOD

• Main Authors: Yo, Na, Hapsari, Wuri Andarmawanti, Isobe, Shinichi
• Format: Patent
• Language: English
• Published: 25.06.2020
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING; WIRELESS COMMUNICATIONS NETWORKS

This position calculation device for calculating the position of a user terminal that is performing DC is provided with: a transmission unit that transmits, to first wireless base station, accuracy level information indicating the accuracy of positioning of the user terminal based on the type of service; a reception unit that receives, from the first wireless base station, positioning information indicating the result of positioning of the user terminal carried out at the first wireless base station when the accuracy level information indicates a first accuracy level, and receives, from the first wireless base station, positioning information indicating the result of positioning of the user terminal carried out at second wireless base station when the accuracy level information indicates a second accuracy level higher than the first accuracy level; and a position calculation unit that calculates the position of the user terminal by using the positioning information.