Patent ID: 8918270

Claim:
A wireless traffic sensor system comprising: a plurality of wireless traffic sensors collecting traffic and vehicle related information from one or more vehicles that pass by said plurality of wireless traffic sensors; and at least one wireless communication device that receives said traffic and vehicle related information from at least one of said plurality of wireless traffic sensors and relays said traffic and vehicle related information to a wireless communication tower in vicinity, wherein said plurality of wireless traffic sensors include a first wireless traffic sensor (WTS) and a second WTS being separated from each other by a distance D along a vehicle passing path; said first WTS giving a first estimated speed of a first vehicle passing said first WTS along said path at a first time; said second WTS giving a second estimated speed of a second vehicle passing said second WTS along said path at a second time, the wireless traffic sensor system further comprises a data processing unit that determines whether said second vehicle and said first vehicle are a same vehicle based upon said first estimated speed at said first time; said second estimated speed at said second time; and said distance D between said first and said second WTSs.