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METHOD AND SYSTEM FOR DETERMINING THE SPEED AND POSITION OF A MOBILE UNIT

  • US 20070265020A1
  • Filed: 07/23/2007
  • Published: 11/15/2007
  • Est. Priority Date: 06/28/2002
  • Status: Abandoned Application
First Claim
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1. A method for determining a position, speed and direction of movement of a wireless transmit/receive unit (WTRU), the method comprising:

  • the WTRU receiving from a network station a plurality of the transmitted directional beams, including beam identifying information for each of the received beams;

    for each of the plurality of received beams, the WTRU measuring the respective received signal strength and storing respective beam identifying information data with respective measured received signal strength data; and

    the WTRU transmitting to the network station stored beam identifying information data and received signal strength data for the plurality of received beams to thereby enable the network station to estimate the position, speed and direction of movement of the WTRU using beam identifying information data and received signal strength data for the plurality of received beams received from the WTRU.

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