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Multi-radio coexistence system to select ISM communications frequency bands to avoid cellular communications interference

  • US 9,374,829 B2
  • Filed: 01/30/2013
  • Issued: 06/21/2016
  • Est. Priority Date: 02/08/2012
  • Status: Expired due to Fees
First Claim
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1. A method of wireless communication, comprising:

  • determining an operating cellular receive frequency band to be received at a user equipment and an operating cellular transmit frequency band;

    determining at least one integer multiple of the operating cellular receive frequency band; and

    selecting at least one Industrial Scientific and Medical (ISM) frequency band for ISM communications based on reducing interference between ISM communications and communications with the operating cellular receive frequency band and the operating cellular transmit frequency band, the interference caused by inter-modulation effects when a difference between the operating cellular transmit frequency band and an identified ISM transmit frequency band is substantially equal to the operating cellular receive frequency band.

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