Patent ID: 8111153
Filing Date: 2012-02-07
Classification: G08G,H04Q

Abstract:
1. An apparatus for generating and communicating road lane hazard data to a vehicle, comprising: a plurality of Radio Frequency Identification (RFID) tags installed at consecutive locations within a road lane, each of the plurality of RFID tags consecutively driven by a radio frequency transmitted from an RFID reader installed in the vehicle, wherein at least one RFID tag communicates stored tag information to the vehicle; a plurality of sensor nodes, wherein each sensor node is associated with a respective RFID tag of the plurality of RFID tags and senses a respective time point when the respective RFID tag is driven and transmits the sensed time point to a sensor network, wherein a plurality of sensed time points and respective RFID tag identifiers comprises traffic data; and an information gathering server that receives the transmitted traffic data.