Device for measuring a position of a mobile station
US8035554B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2007 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Jul 2, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/48
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring a position of a mobile station according to the present invention comprises: first measuring means for measuring the position of the mobile station based on observed data of signals from satellites using a one-epoch measuring method; second measuring means for measuring the position of the mobile station using previous determination result of the position of the mobile station and speed information representative of a speed of the mobile station; third measuring means for measuring the position of the mobile station using solutions of variables derived from previous determination results of the first or second measuring means; and controlling means 60 for selecting one of the respective measuring means which is to execute its measuring process; wherein if reliability of the determination result of the selected measuring means is lower than a predetermined reference value, the controlling means selects another measuring means to make it execute its measuring process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.