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Code multipath estimation for weighted or modified tracking

  • US 6,414,987 B1
  • Filed: 01/19/1999
  • Issued: 07/02/2002
  • Est. Priority Date: 04/04/1997
  • Status: Expired due to Term
First Claim
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1. An apparatus for use in decoding a composite signal, wherein said composite signal includes a signal from a transmitter and a distortion component, said apparatus comprising:

  • a receiving circuit configured to receive said composite signal;

    said receiving circuit further comprising;

    at least two partial code receiving circuits; and

    at least one additional circuit connected to said receiving circuit;

    wherein each said code receiving circuit generates a code receiving function having a residual multipath error response envelope; and

    wherein each said additional circuit is configured to generate an additional signal; and

    wherein each said additional signal is used to estimate and minimize said residual multipath error response envelope.

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