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Methods and apparatuses for reducing interference using frequency division multiple access

  • US 7,444,121 B2
  • Filed: 10/17/2003
  • Issued: 10/28/2008
  • Est. Priority Date: 10/17/2002
  • Status: Expired due to Fees
First Claim
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1. A method, comprising mitigating interference between piconets including:

  • detecting interference between a first piconet and a second piconet; and

    ceasing transmission on a first set of bands wherein the first piconet ceases transmission by at least one of a plurality of devices on the first set of bands and the second piconet continues to utilize the first set of bands wherein at least the first set of bands is determined via coordination between the first piconet and the second piconet, wherein the first piconet corresponds to a first x-length code and the second piconet corresponds to a second x-length code different from the first x-length code each x length code corresponding to x number of dwell times and each dwell time corresponds to a band such the first x-length code corresponds to a first band sequence and the second x-length code corresponds to a second band sequence different from the first band sequence and contention time between the first piconet and the second piconet does not exceed 1/x of the number of dwell times in the x-length code if each of the dwell times is of equal length and such the contention time between the first piconet and the second piconet does not exceed the longest dwell time if the dwell times are of different lengths.

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