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Spread spectrum base station notch filtering transmitted signals

  • US 7,519,098 B2
  • Filed: 02/19/2004
  • Issued: 04/14/2009
  • Est. Priority Date: 05/15/1991
  • Status: Expired due to Fees
First Claim
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1. A personal communications network unit comprising:

  • circuitry configured to generate a spread spectrum code division multiple access (CDMA) data signal using a pseudo random chip code sequences the spread data signal encompassing a selected range of frequencies;

    circuitry configured to notch filter the spread data signal at frequencies within the selected range; and

    a transmitter configured to transmit the notch filtered spread data signal to a base station.

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