Gaussian mixture filter allowing negative weights and its application to positioning using signal strength measurements.
Philipp MüllerSimo Ali-LöyttyMarzieh DashtiHenri NurminenRobert PichéPublished in: WPNC (2012)
Keyphrases
- signal strength
- gaussian mixture
- received signal strength
- indoor environments
- multipath
- base station
- wifi
- em algorithm
- covariance matrix
- gaussian mixture model
- radio frequency
- closed form
- expectation maximization
- probability density function
- access points
- density estimation
- mixture model
- end to end
- global positioning system
- mobile robot
- ad hoc networks
- wireless communication
- maximum likelihood
- sensor networks
- probabilistic model