Road congestion detection by distributed vehicle-to-vehicle...

Details Road congestion detection by distributed vehicle-to-vehicle... Road congestion detection by distributed vehicle-to-vehicle...

2011-01-25

2011-01-25

Zanelli, Michael J. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Traffic analysis or control of surface vehicle

C701S119000

Reexamination Certificate

active

07877196

ABSTRACT:
The present invention relates to a method and apparatus for determining traffic condition comprising the steps of determining periodically a position data of a host vehicle1, wherein the position data includes a time stamp, position, velocity and driving direction of the host vehicle1, receiving periodically position data of at least an other vehicle2, 3, 4, wherein the position data includes a time stamp, position, velocity and driving direction of the other vehicle2, 3, 4, storing the position data of the host vehicle1and the position data of at least the other vehicle2, 3, 4, calculating a relative position data, wherein the relative position data includes relative velocity and relative driving direction between the host vehicle1and the other vehicle2, 3, 4, and judging a traffic condition based on the position data of the host vehicle1, the position data of the other vehicle2, 3, 4and the relative position data.

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