×

Method and apparatus for analyzing base station timing

  • US 6,201,802 B1
  • Filed: 08/29/1997
  • Issued: 03/13/2001
  • Est. Priority Date: 08/29/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus to determine a timing of a signal and a timing drift of the signal, if any, caused by a base station transmitting the signal, comprising:

  • a dummy signal generation mechanism producing a dummy signal output;

    an antenna coupled to a wireless link and producing an antenna output;

    a summer coupled to said dummy signal output and said antenna output, said summer producing a summed signal output;

    a demodulation element coupled to said summed signal output and producing a demodulated dummy signal output and a demodulated signal output; and

    a signal timing comparison unit coupled to said demodulated dummy signal output and said demodulated signal output, said comparison unit used to compare signal timing for said demodulated dummy signal output to signal timing for said summed signal output.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×