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Methods and apparatus for determining the time of arrival of a signal

  • US 6,665,333 B2
  • Filed: 04/29/2002
  • Issued: 12/16/2003
  • Est. Priority Date: 08/02/1999
  • Status: Expired due to Fees
First Claim
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1. A carrier signal having signal acquisition information embedded therein for determining a time of arrival of the carrier signal, comprising:

  • a first sequence comprising a plurality of first spread spectrum symbols for detecting arrival of the carrier signal, each of said first spread spectrum symbols comprising a plurality of chips; and

    a second sequence comprising at least one spread spectrum symbol for determining a time of arrival of the carrier signal, said at least one spread spectrum symbol comprising a greater number of chips than each of said first spread spectrum symbols.

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