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System for preventing relay attack for vehicle entry

A vehicle system and vehicle technology, applied in anti-theft vehicle accessories, vehicle parts, transportation and packaging, etc., can solve problems such as relay attacks

Inactive Publication Date: 2014-03-26
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such systems may be vulnerable to relay attacks, allowing unauthorized access to the vehicle

Method used

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  • System for preventing relay attack for vehicle entry
  • System for preventing relay attack for vehicle entry
  • System for preventing relay attack for vehicle entry

Examples

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Embodiment Construction

[0070] The following description is merely exemplary in nature and is not intended to limit the disclosure, its application or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0071] According to an exemplary embodiment of the present invention, and with reference to figure 1 and figure 2 , the system generally includes a base unit 10 configured to be positioned in the vehicle 1 , and a portable operating unit 40 . In the exemplary embodiment, the base unit 10 and the portable operating unit 40 are used to operate the proximity-based vehicle systems of the vehicle 1 . In a proximity-based system, an authorized user can selectively Various operations to be performed at the vehicle 1 are accurately controlled. For example, a user may actuate a door lock of the vehicle or start the engine of the vehicle without mechanically inserting a key into a corresponding lock cylinder of th...

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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.

Description

technical field [0001] The present invention relates to a system for preventing relay attacks on a vehicle having a system operable based on the proximity of an authorized user relative to the vehicle. Background technique [0002] Conventional proximity-based vehicle systems allow authorized users (ie, users holding authorized fobs) to operate the vehicle system when the authorized user is within a predetermined distance from the vehicle. One example of a proximity based vehicle system is a key fob system. In the smart key system, a user with an authorized fob can actuate the door lock of the vehicle without mechanically inserting the key into the lock cylinder. In a smart key system, a user can actuate a switch on the outside of the vehicle. The switch may be actuated by, for example, operating a door handle or a button on the outside of the vehicle. [0003] In response to operation of the switch, the vehicle transmits a low frequency (LF) signal. The LF signal is typ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R25/01B60R25/04B60R25/33
CPCB60R25/20
Inventor B.D.康纳V.M.帕特尔
Owner GM GLOBAL TECH OPERATIONS LLC
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