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METHOD TO INCREASE ACCURACY OF LOCATING UNIT IN WIRELESS VEHICLE SYSTEM

  • US 20130069760A1
  • Filed: 09/16/2011
  • Published: 03/21/2013
  • Est. Priority Date: 09/16/2011
  • Status: Active Grant
First Claim
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1. A wireless unit for a wireless vehicle system comprising:

  • a receiver for receiving a vehicle-originating signal, the receiver having a sensitivity;

    a transmitter for transmitting a reply signal;

    a received signal strength indicator (RSSI) for determining a received signal strength of the vehicle-originating signal;

    a memory storing sensitivity data corresponding to the sensitivity;

    a control unit in electrical communication with the receiver, the transmitter, the RSSI and the memory, wherein the control unit is configured to communicate with the transmitter to direct the transmitter to transmit the reply signal, wherein the reply signal includes received signal strength data used for determining a distance between the wireless unit and an associated vehicle-side transmitter on an associated vehicle, wherein the received signal strength data is based on the received signal strength and the sensitivity data.

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