Keyphrases
- global positioning system
- indoor positioning
- location information
- position information
- outlier detection
- maximum likelihood
- navigation systems
- least squares
- multipath
- wifi
- urban environments
- gps data
- mobile devices
- error estimation
- location based services
- google maps
- maximum a posteriori
- estimation algorithm
- dead reckoning
- differential gps
- urban areas
- random sampling
- geographic information systems
- recursive least squares
- neuro fuzzy
- map matching
- data mining
- adaptive kalman filter