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Method for determining an angle of arrival of a signal transmitted by a remote unit in a communication system

  • US 5,786,791 A
  • Filed: 02/24/1997
  • Issued: 07/28/1998
  • Est. Priority Date: 02/24/1997
  • Status: Expired due to Term
First Claim
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1. A method for determining an angle of arrival of a remote unit in a Code Division, Multiple Access (CDMA) communication system, the method comprising the steps of:

  • receiving an RF signal at a first antenna existing within a sectorized base site, the RF signal comprising a plurality of rays produced by undergoing multi-path scattering;

    receiving the RF signal at a second antenna existing within the sectorized base site;

    identifying a prompt ray from the plurality of rays received at the first antenna;

    identifying the prompt ray from the plurality of rays received at the second antenna; and

    determining the angle of arrival from the prompt ray received at the first and the second antenna.

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