System and method for synchronized vehicle sensor data acquisition processing using vehicular communication
First Claim
1. A computer-implemented method for controlling vehicle sensor data acquisition using a vehicular communication network, comprising:
- establishing an operable connection for computer communication between a first vehicle and a second vehicle using the vehicular communication network;
receiving a global time signal at the first vehicle and at the second vehicle, wherein a processor of the first vehicle synchronizes a local clock signal of the first vehicle with the global time signal, and a processor of the second vehicle synchronizes a local clock signal of the second vehicle with the global time signal;
determining a capture interval for a sensor data acquisition process time that maximizes a total number of data frames that can be captured by a sensor of the first vehicle and by a sensor of the second vehicle that is based on a number of vehicles within a predetermined distance from the first vehicle;
transmitting a first sensor trigger pulse according to the capture interval to the sensor of the first vehicle thereby triggering acquisition of sensor data from the sensor of the first vehicle, wherein the first vehicle transmits the sensor data from the sensor of the first vehicle to the second vehicle; and
transmitting a second sensor trigger pulse according to the capture interval to the sensor of the second vehicle thereby triggering acquisition of sensor data from the sensor of the second vehicle, wherein the second sensor trigger pulse is offset from the first sensor trigger pulse by the capture interval, and wherein the second vehicle transmits the sensor data from the sensor of the second vehicle to the first vehicle.
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Accused Products
Abstract
A method and system for controlling vehicle sensor data acquisition using a vehicular communication network, including synchronizing a local clock signal of a first vehicle and a local clock signal of a second vehicle with a global time signal. Further, determining a capture interval for a sensor data acquisition process time that maximizes a total number of data frames that can be captured by a sensor of the first vehicle and by a sensor of the second vehicle. Based on the capture interval, transmitting a first sensor trigger pulse to the sensor of the first vehicle and transmitting a second sensor trigger pulse according to the sensor of the second vehicle. The first vehicle transmits the sensor data from the sensor of the first vehicle to the second vehicle, and the second vehicle transmits the sensor data from the sensor of the second vehicle to the first vehicle.
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Citations
20 Claims
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1. A computer-implemented method for controlling vehicle sensor data acquisition using a vehicular communication network, comprising:
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establishing an operable connection for computer communication between a first vehicle and a second vehicle using the vehicular communication network; receiving a global time signal at the first vehicle and at the second vehicle, wherein a processor of the first vehicle synchronizes a local clock signal of the first vehicle with the global time signal, and a processor of the second vehicle synchronizes a local clock signal of the second vehicle with the global time signal; determining a capture interval for a sensor data acquisition process time that maximizes a total number of data frames that can be captured by a sensor of the first vehicle and by a sensor of the second vehicle that is based on a number of vehicles within a predetermined distance from the first vehicle; transmitting a first sensor trigger pulse according to the capture interval to the sensor of the first vehicle thereby triggering acquisition of sensor data from the sensor of the first vehicle, wherein the first vehicle transmits the sensor data from the sensor of the first vehicle to the second vehicle; and transmitting a second sensor trigger pulse according to the capture interval to the sensor of the second vehicle thereby triggering acquisition of sensor data from the sensor of the second vehicle, wherein the second sensor trigger pulse is offset from the first sensor trigger pulse by the capture interval, and wherein the second vehicle transmits the sensor data from the sensor of the second vehicle to the first vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for controlling vehicle sensor data acquisition using a vehicular communication network, comprising:
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a first vehicle configured for computer communication with a second vehicle using the vehicular communication network; and a processor that receives a global time signal from a global positioning source and synchronizes a local clock signal of the first vehicle with the global time signal; the processor determines a capture interval that maximizes a total number of data frames for capture by a sensor of the first vehicle based on a sensor of the second vehicle and a number of vehicles within a predetermined distance from the first vehicle; the processor transmits a first sensor trigger pulse according to the capture interval to the sensor of the first vehicle thereby triggering acquisition of sensor data from the sensor of the first vehicle, wherein the sensor of the first vehicle transmits the sensor data from the sensor of the first vehicle to the second vehicle; and the processor transmits a second sensor trigger pulse according to the capture interval to the sensor of the second vehicle thereby triggering acquisition of sensor data from the sensor of the second vehicle, wherein the sensor of the second vehicle transmits the sensor data from the sensor of the second vehicle to the first vehicle. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A non-transitory computer-readable storage medium including instructions that when executed by a processor, cause the processor to:
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establish an operable connection for computer communication between a first vehicle and a second vehicle; acquire a global time signal from a global position source; synchronize a local clock signal of the first vehicle with the global time signal, and synchronize a local clock signal of the second vehicle with the global time signal; determining a capture interval that maximizes a total number of data frames for capture by a sensor of the first vehicle and by a sensor of the second vehicle that is based on a number of vehicles within a predetermined distance from the first vehicle; generate a first sensor trigger pulse according to the capture interval to the sensor of the first vehicle thereby triggering acquisition of sensor data from the sensor of the first vehicle, and transmit the sensor data from the sensor of the first vehicle to the second vehicle; and generate a second sensor trigger pulse according to the capture interval to the sensor of the second vehicle thereby triggering acquisition of sensor data from the sensor of the second vehicle, wherein the second sensor trigger pulse is offset from the first sensor trigger pulse by the capture interval, and receive the sensor data from the sensor of the second vehicle at the first vehicle. - View Dependent Claims (16, 17, 18)
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19. A computer-implemented method for controlling vehicle sensor data acquisition of a vehicle using a vehicular communication network, comprising:
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establishing an operable connection for computer communication between a plurality of vehicles using the vehicular communication network, wherein each vehicle of the plurality of vehicles includes a processor, a local clock, and a sensor; using the operable connection for computer communication, synchronizing the local clock of each vehicle of the plurality of vehicles with a global time signal from a global positioning source; determining a capture interval for a clock cycle of the local clock of each vehicle of the plurality of vehicles, wherein the capture interval maximizes a total number of data frames for capture by the sensors of the plurality of vehicles that is based on a number of the plurality of vehicles within a predetermined distance from the vehicle; alternately capturing, at times offset by the capture interval, sensor data from the sensors of the plurality of vehicles, wherein each vehicle of the plurality of vehicles transmits the sensor data to the other vehicles in the plurality of vehicles. - View Dependent Claims (20)
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Specification