Inter-vehicle communication and warning apparatus

Details Inter-vehicle communication and warning apparatus Inter-vehicle communication and warning apparatus

2008-01-01

2008-01-01

Lee, Benjamin C. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

C340S903000, C340S942000, C701S096000, C701S301000

Reexamination Certificate

active

11296625

ABSTRACT:
A short-range inter-vehicle communication and warning apparatus comprises a forward radar and a backward radar. The apparatus uses the radars to generate Frequency Modulation/Continuous Wave (FMCW) signals, uses amplitude shift keying for data modulation and arranges a special packet format, to realize such a low cost and fast response device of collision avoidance for vehicles. The invention has the dual capabilities of detecting and communicating simultaneously. It can also measure the relative speed of a preceding/rear vehicles and the relative inter-vehicle distance. The invention also exchanges the real-time traffic information with the preceding/rear vehicles at the same time. It is applicable to a one-to-one or one-to-many inter-vehicle channel model.

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Masatoshi Uchida Yasuo Kagawa Akihiro Okuno Technical Research Center(Yokohama) Mazda Motor Corporation 1994 IEEE p. 169-174.

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