SYSTEM FOR PREVENTING RELAY ATTACK FOR VEHICLE ENTRY
First Claim
1. A system for preventing a relay attack on a vehicle, the system comprising:
- a base unit positioned in said vehicle and operably connected to at least one vehicle system, said base unit configured to obtain position information of said base unit; and
a portable operating unit configured to obtain and transmit position information of said portable operating unit to said base unit, and said base unit determines the position of said portable operating unit relative to said base unit and selectively controls operation of said at least one vehicle system based on said determination of the position of said portable operating system relative to said base unit.
3 Assignments
0 Petitions
Accused Products
Abstract
A system for preventing a relay attack on a vehicle is provided. The system includes a base unit positioned in the vehicle and operably connected to at least one vehicle system. The base unit is configured to obtain position information of the base unit. The system further includes a portable operating unit configured to obtain and transmit position information of the portable operating unit to the base unit. The base unit determines the position of the portable operating unit relative to the base unit and selectively controls operation of the at least one vehicle system based on the determination of the position of the portable operating system relative to the base unit.
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Citations
20 Claims
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1. A system for preventing a relay attack on a vehicle, the system comprising:
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a base unit positioned in said vehicle and operably connected to at least one vehicle system, said base unit configured to obtain position information of said base unit; and a portable operating unit configured to obtain and transmit position information of said portable operating unit to said base unit, and said base unit determines the position of said portable operating unit relative to said base unit and selectively controls operation of said at least one vehicle system based on said determination of the position of said portable operating system relative to said base unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method at a base unit for preventing a relay attack on a vehicle, said base unit comprising a receiver, a transmitter and a control unit, the method comprising:
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receiving, by said base unit, a signal from at least one vehicle system of said vehicle requesting operation of said vehicle system; transmitting, by said base unit, a request message to a portable operating unit; receiving, by said base unit, a response message from said portable operating unit, said response message including position information of said portable operating unit; obtaining, by said base unit, position information of said base unit; determining, by said base unit, a position of said portable operating unit relative to said base unit based on said received position information of said portable operating unit and said position information of said base unit; and controlling, by said base unit, operation of said at least one vehicle system based on said position of portable operating unit relative to said base unit. - View Dependent Claims (10, 11, 12, 13)
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14. A method at a portable operating unit for preventing a relay attack on a vehicle, said portable operating unit comprising a receiver, a transmitter, a control unit, and a Global Position System (GPS) unit, the method comprising:
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receiving, by said portable operating unit, a request message from a base unit positioned at said vehicle; obtaining, by said portable operating unit, position information of said portable operating unit via said GPS unit; generating, by said portable operating unit, a response message including said position information of said portable operating unit; and transmitting, by said portable operating unit, said response message to said base unit.
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15. A base unit for preventing a relay attack on a vehicle, said base unit positioned at said vehicle and operably connected to at least one vehicle system, said base unit comprising:
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a control unit; a transmitter configured to transmit a request message to a portable operating unit; and
a receiver configured to receive a response message from said portable operating unit containing position information of said portable operating unit, said base unit configured to selectively operate said at least one vehicle system based on said position information of said portable operating unit. - View Dependent Claims (16, 17, 18)
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19. A portable operating unit for preventing a relay attack on a vehicle, said portable operating unit comprising:
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a control unit; a receiver configured to receive a request message from a base unit; a Global Positioning System (GPS) unit configured to obtain position information of said portable operating unit; and a transmitter configured to transmit a response message including said position information of said portable operating unit to said base unit. - View Dependent Claims (20)
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Specification