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Free channel selection method

  • US 6,487,418 B1
  • Filed: 04/22/1999
  • Issued: 11/26/2002
  • Est. Priority Date: 05/22/1997
  • Status: Expired due to Term
First Claim
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1. A method for selecting a free channel from a plurality of channels for radio communication, the method comprising:

  • generating, for each of the plurality of channels, a first signal indicative of the strength of the signals on the respective channel;

    storing, in an array of content-addressable memory cells, values representative of the first signals of each of the plurality of channels, each of the stored values being stored in a cell having an address indicative of the channel on which the first signal represented by the stored value is carried; and

    selecting a stored value corresponding to a desired signal strength, wherein the address of the selected stored value is indicative of the free channel.

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