Roadside beacon system
Roadside beacon system
Robust low-frequency spread-spectrum navigation system
Robust low-frequency spread-spectrum navigation system
Route guidance apparatus
Rubber sheeting of a map
Satellite and local system position determination
Satellite and local system position determination
Secure wireless user localization scheme using transmission...
Security monitoring and tracking system
Security system
Self-calibrated path loss position estimation and zone of...
Self-calibrated path loss position estimation and zone of...
Self-calibrating reference terminal
Self-surveying wideband ground transmitters
Signal collection system for a wireless location system
Simple passive/active proximity warning system
Simultaneous localization and RF modeling
Single antenna direction-finding system
Single receiver wireless tracking system