Method and system for authenticating vehicle equipped with passive keyless system
First Claim
1. A method for authenticating a vehicle equipped with a passive keyless system that includes a vehicle module configured to communicate with a portable keyfob, the method comprising the steps of:
- sending one or more initial challenge signal(s) from the vehicle module to the portable keyfob in response to a passive keyless start attempt of the vehicle, the initial challenge signal(s) being sent before a successful passive keyless start of the vehicle;
sending one or more secondary challenge signal(s) from the vehicle module to the portable keyfob after a successful passive keyless start of the vehicle and in response to a trigger event indicating that the vehicle has moved a particular distance from a location of the vehicle where the successful passive keyless start occurred, the secondary challenge signal(s) being sent to determine whether the portable keyfob is in the vehicle after the trigger event;
initiating an active authentication to confirm the presence of an authorized driver in the vehicle when a valid response to the secondary challenge signal(s) is not received by the vehicle module; and
performing one or more remedial action(s) if a valid response to the active authentication is not received;
wherein the trigger event includes one or more of the following conditions;
a) a vehicle odometer increments by a predefined amount and an accumulation of the increments is less than a maximum threshold;
b) a distance delta acquired from a GPS module is greater than a predefined GPS delta threshold and the distance delta is less than a maximum GPS delta;
orc) a speed of the vehicle is greater than a minimum speed threshold and a timer value is less than a maximum timer value.
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Abstract
A system and method is provided for authenticating a vehicle equipped with a passive keyless system. The method includes sending one or more initial challenge signal(s) from a vehicle module to a portable keyfob in response to a passive keyless start attempt of the vehicle, the initial challenge signal(s) being sent before a successful passive keyless start of the vehicle; sending one or more secondary challenge signal(s) from the vehicle module to the portable keyfob in response to at least one trigger event and after a successful passive keyless start of the vehicle; initiating an active authentication to confirm the presence of an authorized driver in the vehicle if a valid response to the secondary challenge signal(s) is not received by the vehicle module; and performing one or more remedial action(s) if a valid response to the active authentication is not received.
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Citations
19 Claims
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1. A method for authenticating a vehicle equipped with a passive keyless system that includes a vehicle module configured to communicate with a portable keyfob, the method comprising the steps of:
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sending one or more initial challenge signal(s) from the vehicle module to the portable keyfob in response to a passive keyless start attempt of the vehicle, the initial challenge signal(s) being sent before a successful passive keyless start of the vehicle; sending one or more secondary challenge signal(s) from the vehicle module to the portable keyfob after a successful passive keyless start of the vehicle and in response to a trigger event indicating that the vehicle has moved a particular distance from a location of the vehicle where the successful passive keyless start occurred, the secondary challenge signal(s) being sent to determine whether the portable keyfob is in the vehicle after the trigger event; initiating an active authentication to confirm the presence of an authorized driver in the vehicle when a valid response to the secondary challenge signal(s) is not received by the vehicle module; and performing one or more remedial action(s) if a valid response to the active authentication is not received; wherein the trigger event includes one or more of the following conditions; a) a vehicle odometer increments by a predefined amount and an accumulation of the increments is less than a maximum threshold; b) a distance delta acquired from a GPS module is greater than a predefined GPS delta threshold and the distance delta is less than a maximum GPS delta;
orc) a speed of the vehicle is greater than a minimum speed threshold and a timer value is less than a maximum timer value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for authenticating a vehicle equipped with a passive keyless system that includes a vehicle module configured to communicate with a portable keyfob, the method comprising the steps of:
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initiating passive authentication of the keyfob following a passive keyless start of the vehicle and in response to a trigger event that indicates that the vehicle has moved a particular distance from a location of the vehicle where the passive keyless start occurred; determining if an authorized driver is present in the vehicle when a predetermined number of attempts to passively authenticate the keyfob have failed, wherein determining if an authorized driver is present includes sending one or more prompt(s) requiring a valid active-response from an authorized driver and/or an authorized wireless device; and performing one or more remedial action(s) if a valid active-response is not received; wherein the trigger event includes one or more of the following conditions; a) a vehicle odometer increments by a predefined amount and an accumulation of the increments is less than a maximum threshold; b) a distance delta acquired from a GPS module is greater than a predefined GPS delta threshold and the distance delta is less than a maximum GPS delta;
orc) a speed of the vehicle is greater than a minimum speed threshold and a timer value is less than a maximum timer value. - View Dependent Claims (14, 15, 16, 17)
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18. A system for authenticating an authorized driver of a vehicle, the system comprising:
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at least one vehicle system module configured to detect one or more moving vehicle trigger(s) indicating that the vehicle has moved a particular distance from a location of the vehicle where a passive keyless start occurred, wherein the one or more moving vehicle trigger(s) includes one or more of the following conditions; a) a vehicle odometer increments by a predefined amount and an accumulation of the increments is less than a maximum threshold; b) a distance delta acquired from a GPS module is greater than a predefined GPS delta threshold and the distance delta is less than a maximum GPS delta;
orc) a speed of the vehicle is greater than a minimum speed threshold and a timer value is less than a maximum timer value; and a passive keyless start system including a vehicle module configured to wirelessly communicate with, and to passively authenticate, a portable keyfob in response to detecting at least one of the moving vehicle triggers, the passive keyless start system is configured to; determine if an authorized driver is present in the vehicle when a predetermined number of attempts to passively authenticate the keyfob have failed, wherein determining the presence of the authorized driver includes sending one or more prompt(s) requiring a valid active-response from an authorized driver and/or an authorized wireless device; and initiate one or more remedial action(s) in response to determining that no authorized driver is present. - View Dependent Claims (19)
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Specification