US 9,802,574 B2 · Relay attack inhibiting

Abstract

An apparatus in a wireless vehicle-access system, that includes a vehicle and a fob, includes: a vehicle-authorization parameter module configured to obtain a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises at least one of movement of the fob, a received directional signal, or a received audible signal; and a vehicle function compatibility module configured to: determine whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle; inhibit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function of the vehicle; and permit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function of the vehicle.

Claims44

Dependent claims

An apparatus in a wireless vehicle-access system that includes a vehicle and a fob, the apparatus comprising:

a memory;
and
a processor communicatively coupled to the memory and configured to:
obtain a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises movement of the fob;
determine whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle;
inhibit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function of the vehicle;
and
permit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function of the vehicle;
wherein the desired function of the vehicle is vehicle starting;
and
wherein:
the processor is configured to determine that the movement of the fob is consistent with the desired function if the movement of the fob is a fob speed being below a vehicle-starting threshold;
the processor is configured to determine that the movement of the fob is consistent with the desired function if the movement of the fob is spatial fob motion being consistent with movement of a seat of the vehicle, the spatial fob motion comprising a direction or a magnitude of fob motion, or a combination thereof;
or
the processor is configured to determine that the movement of the fob is consistent with the desired function if the movement of the fob is the spatial fob motion being consistent with a user of the fob sitting in the vehicle;
or
a combination of two or more of these.

14 more elements

An apparatus in a wireless vehicle-access system that includes a vehicle and a fob, the apparatus comprising:

a memory;
and
a processor communicatively coupled to the memory and configured to:
obtain a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises movement of the fob;
determine whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle;
inhibit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function of the vehicle;
and
permit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function of the vehicle;
wherein the desired function of the vehicle is vehicle driving, and wherein:
the processor is configured to determine that the movement of the fob is consistent with the desired function if the movement of the fob is spatial fob motion being consistent with a user of the fob sitting in the vehicle, the spatial fob motion comprising a direction or a magnitude of fob motion, or a combination thereof;
the processor is configured to determine that the movement of the fob is consistent with the desired function if the movement of the fob is a fob speed differing by less than a speed-differential threshold relative to a speed of the vehicle;
or
the processor is configured to determine that the movement of the fob is consistent with the desired function if the movement of the fob is the spatial fob motion being consistent with movement of a seat of the vehicle;
or
a combination of two or more of these.

12 more elements

An apparatus in a wireless vehicle-access system that includes a vehicle and a fob, the apparatus comprising:

means for obtaining a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises movement of the fob;
and
vehicle function compatibility means comprising:
means for determining whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle;
means for inhibiting the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function;
and
means for permitting the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function;
wherein the desired function of the vehicle is vehicle starting;
and
wherein:
the means for determining are for determining that the movement of the fob is consistent with the desired function of the vehicle if the movement of the fob is a fob speed being below a vehicle-starting threshold;
the means for determining are for determining that the movement of the fob is consistent with the desired function of the vehicle if the movement of the fob is spatial fob motion being consistent with movement of a seat of the vehicle, the spatial fob motion comprising a direction or a magnitude of fob motion, or a combination thereof;
or
the means for determining are for determining that the movement of the fob is consistent with the desired function of the vehicle if the movement of the fob is the spatial fob motion being consistent with a user of the fob sitting in the vehicle;
or
a combination of two or more of these.

13 more elements

An apparatus in a wireless vehicle-access system that includes a vehicle and a fob, the apparatus comprising:

means for obtaining a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises movement of the fob;
and
vehicle function compatibility means comprising:
means for determining whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle;
means for inhibiting the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function;
and
means for permitting the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function;
wherein the desired function of the vehicle is vehicle driving, and wherein:
the vehicle function compatibility means are for determining that the movement of the fob is consistent with the desired function if the movement of the fob is spatial fob motion being consistent with a user of the fob sitting in the vehicle, the spatial fob motion comprising a direction or a magnitude of fob motion, or a combination thereof;
the vehicle function compatibility means are for determining that the movement of the fob is consistent with the desired function if the movement of the fob is a fob speed differing by less than a speed-differential threshold relative to a speed of the vehicle;
or
the vehicle function compatibility means are for determining that the movement of the fob is consistent with the desired function if the movement of the fob is the spatial fob motion being consistent with movement of a seat of the vehicle;
or
a combination of two or more of these.

11 more elements

A non-transitory processor-readable storage medium in a wireless vehicle-access system that includes a vehicle and a fob, the processor-readable storage medium comprising processor-readable instructions configured to cause a processor to:

obtain a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises movement of the fob;
determine whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle;
inhibit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function;
and
permit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function;
wherein the desired function of the vehicle is vehicle starting;
and
wherein:
the instructions configured to cause the processor to determine are configured to cause the processor to determine that the movement of the fob is consistent with the desired function of the vehicle if the movement of the fob is a fob speed being below a vehicle-starting threshold;
the instructions configured to cause the processor to determine are configured to cause the processor to determine that the movement of the fob is consistent with the desired function of the vehicle if the movement of the fob is spatial fob motion being consistent with movement of a seat of the vehicle, the spatial fob motion comprising a direction or a magnitude of fob motion, or a combination thereof;
or
the instructions configured to cause the processor to determine are configured to cause the processor to determine that the movement of the fob is consistent with the desired function of the vehicle if the movement of the fob is the spatial fob motion being consistent with a user of the fob sitting in the vehicle;
or
a combination thereof.

11 more elements

obtain a value of a vehicle-authorization parameter wherein the vehicle-authorization parameter comprises movement of the fob;
determine whether the value of the vehicle-authorization parameter is consistent or inconsistent with a desired function of the vehicle;
inhibit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be inconsistent with the desired function;
and
permit the desired function of the vehicle in response to the value of the vehicle-authorization parameter being determined to be consistent with the desired function;
wherein the desired function of the vehicle is vehicle driving, and wherein:
the instructions configured to cause the processor to determine are configured to cause the processor to determine that the movement of the fob is consistent with the desired function if the movement of the fob is spatial fob motion being consistent with a user of the fob sitting in the vehicle, the spatial fob motion comprising a direction or a magnitude of fob motion, or a combination thereof;
the instructions configured to cause the processor to determine are configured to cause the processor to determine that the movement of the fob is consistent with the desired function if the movement of the fob is a fob speed differing by less than a speed-differential threshold relative to a speed of the vehicle;
or
the instructions configured to cause the processor to determine are configured to cause the processor to determine that the movement of the fob is consistent with the desired function if the movement of the fob is the spatial fob motion being consistent with movement of a seat of the vehicle;
or
a combination of two or more of these.

9 more elements

Dependencies are inferred from the claim text.

Relay attack inhibiting

Life of this patent

Relay attack inhibiting

Life of this patent

Abstract

Claims44