Vehicular mitigation system based on wireless vehicle data
First Claim
1. A method executed by an onboard vehicle computer system of an ego vehicle, the method comprising:
- receiving a set of wireless messages from a set of vehicles;
extracting a subset of the set of wireless messages that were sent within a predetermined time period and that correspond to a set of downstream vehicles that are in a same lane of travel as the ego vehicle and within 500 meters of the ego vehicle, wherein the subset of the set of wireless messages are associated with wireless vehicle data;
determining that the wireless vehicle data describes a presence of a traffic obstruction that is at a location downstream of the ego vehicle and within the same lane of travel as the ego vehicle, wherein the location is described by the wireless vehicle data with lane-level accuracy;
determining a preceding velocity of a preceding vehicle that is traveling directly in front of the ego vehicle; and
modifying an ego velocity of the ego vehicle based on the preceding velocity and the presence of the traffic obstruction, wherein the ego velocity is modified by the onboard vehicle computer system so that the ego velocity is substantially equal to the preceding velocity prior to the ego vehicle arriving at the location of the traffic obstruction and the ego vehicle does not collide with the set of downstream vehicles including the preceding vehicle.
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Accused Products
Abstract
The disclosure includes embodiments for modifying the acceleration of an ego vehicle based on wireless vehicle data included in a wireless message. A method includes receiving the wireless message that includes wireless vehicle data that describes one or more physical properties of a downstream vehicle. The wireless vehicle data indicates a presence of a traffic obstruction. The method includes determining a modification for an acceleration of the ego vehicle based on the wireless vehicle data and the indication of the traffic obstruction. The method includes modifying the acceleration of the ego vehicle based on wireless vehicle data compliant with the DSRC standard. The modified acceleration causes the ego vehicle to travel at a velocity consistent with a preceding vehicle and the downstream vehicle so that the ego vehicle does not collide with the preceding vehicle or the other downstream vehicle, which are in the same lane as the ego vehicle.
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Citations
22 Claims
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1. A method executed by an onboard vehicle computer system of an ego vehicle, the method comprising:
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receiving a set of wireless messages from a set of vehicles; extracting a subset of the set of wireless messages that were sent within a predetermined time period and that correspond to a set of downstream vehicles that are in a same lane of travel as the ego vehicle and within 500 meters of the ego vehicle, wherein the subset of the set of wireless messages are associated with wireless vehicle data; determining that the wireless vehicle data describes a presence of a traffic obstruction that is at a location downstream of the ego vehicle and within the same lane of travel as the ego vehicle, wherein the location is described by the wireless vehicle data with lane-level accuracy; determining a preceding velocity of a preceding vehicle that is traveling directly in front of the ego vehicle; and modifying an ego velocity of the ego vehicle based on the preceding velocity and the presence of the traffic obstruction, wherein the ego velocity is modified by the onboard vehicle computer system so that the ego velocity is substantially equal to the preceding velocity prior to the ego vehicle arriving at the location of the traffic obstruction and the ego vehicle does not collide with the set of downstream vehicles including the preceding vehicle. - View Dependent Claims (2, 3)
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4. A method executed by an onboard vehicle computer system of an ego vehicle that is Dedicated Short Range Communication-equipped (“
- DSRC-equipped”
), the method comprising;receiving a set of wireless messages from a set of vehicles; extracting a subset of the set of wireless messages that were sent within a predetermined time period and that correspond to a set of downstream vehicles that are on a same road of travel as the ego vehicle and within 500 meters of the ego vehicle, wherein the subset of the set of wireless messages are associated with wireless vehicle data and the wireless vehicle data is compliant with a DSRC standard; determining that the wireless vehicle data describes a presence of a traffic obstruction that is at a location downstream of the ego vehicle and within the same road of travel as the ego vehicle; and modifying, by the onboard vehicle computer system, an ego velocity of the ego vehicle prior to the ego vehicle arriving at the location. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- DSRC-equipped”
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19. A system of an ego vehicle comprising:
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a communication unit that is operable to receive a set of wireless messages from a set of vehicles; an onboard vehicle computer system of the ego vehicle that is communicatively coupled to the communication unit and operable to receive the set of wireless messages from the communication unit, the onboard vehicle computer system including a non-transitory memory storing computer code that, when executed by the onboard vehicle computer system, causes the onboard vehicle computer system to; extract a subset of the set of wireless messages that were sent within a predetermined time period and that correspond to a set of downstream vehicles that are in a same lane of travel as the ego vehicle and within 500 meters of the ego vehicle, wherein the subset of the set of wireless messages are associated with wireless vehicle data; determine a modification for a velocity of the ego vehicle based on a traffic obstruction described by the wireless vehicle data; provide modification data describing the modification to an Advanced Driver Assistance System (“
ADAS system”
) of the ego vehicle; andexecuting the ADAS system based on the modification data so that the velocity of the ego vehicle is modified based on receipt of the wireless vehicle data prior to the ego vehicle arriving at the traffic obstruction. - View Dependent Claims (20, 21)
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22. A computer program product comprising a non-transitory memory of an onboard vehicle computer system of an ego vehicle that is a Dedicated Short Range Communication (“
- DSRC”
)-equipped vehicle, wherein the non-transitory memory stores computer-executable code that, when executed by the onboard vehicle computer system, causes the onboard vehicle computer system to;receive a set of DSRC-based wireless messages from a set of vehicles; extract a subset of the set of DSRC-based wireless messages that were sent within a predetermined time period and that correspond to a set of downstream vehicles that are in a same lane of travel as the ego vehicle and within 500 meters of the ego vehicle, wherein the subset of the set of wireless messages are associated with wireless vehicle data and the wireless vehicle data is transmitted via a DSRC channel; determining that the wireless vehicle data indicates a presence of a downstream traffic obstruction affecting a downstream vehicle, a downstream velocity of the downstream vehicle and a location of the downstream traffic obstruction; and after determining the presence of the downstream traffic obstruction, modifying a velocity of the ego vehicle to be consistent with the downstream velocity of the downstream vehicle prior to the ego vehicle arriving at the location of the downstream traffic obstruction.
- DSRC”
Specification