Position estimation method for mobile terminal, position estimation device for mobile terminal and position estimation system for mobile terminal
US12160788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2021 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Jan 14, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/878
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A position estimation method for estimating a position of a mobile terminal includes: an acquisition step of acquiring distance values and radio wave intensity values between communication devices provided in a vehicle and the mobile terminal by communicating the communication devices with the mobile terminal; a communication availability determination step of determining that a corresponding communication device is communicable when the distance value is not more than a first value and the intensity value is not less than a second value; an area determination step of, based on a result of the communication availability determination step and communication maps mapping communicable ranges of the communication devices, determining an area where the mobile terminal exists by superimposing the communication maps; and an estimation step of estimating the position of the mobile terminal based on a result of the area determination step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.