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Wireless telephone distribution system with time and space diversity transmission for determining receiver location

  • US 5,614,914 A
  • Filed: 09/06/1994
  • Issued: 03/25/1997
  • Est. Priority Date: 09/06/1994
  • Status: Expired due to Term
First Claim
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1. In a wireless communication system, wherein a data packet is communicated from a transmitter to a receiver to form a received data packet, a method for determining the location of said receiver, said system including first, second and third antennas spaced apart from each other, said method comprising:

  • transmitting said data packet from said first antenna to form a first transmitted data packet;

    transmitting said data packet from said second antenna to form a second transmitted data packet after said first transmitted data packet;

    transmitting said data packet from said third antenna to form a third transmitted data packet after said second transmitted data packet;

    receiving in sequence said first, second and thirdtransmitted data packets at said receiver forming respective first, second and third received data packets;

    selecting at least one of said first and second received data packets to form said digital data at said receiver;

    measuring the respective time of arrival of said first, second and third transmitted data packets at said receiver; and

    computing the location of said receiver from said respective measured time of arrival of said first, second and third transmitted data packets.

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