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Configurable filter for multi-radio interference mitigation

  • US 8,830,934 B2
  • Filed: 12/08/2011
  • Issued: 09/09/2014
  • Est. Priority Date: 12/10/2010
  • Status: Expired due to Fees
First Claim
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1. A method of wireless communication, comprising:

  • actively receiving on a first radio access technology (RAT); and

    actively transmitting on a second radio access technology (RAT) while selectively filtering the transmissions from the second RAT to attenuate in-band power on a selected frequency range to reduce interference to receptions of the first RAT,wherein;

    the receiving, the filtering and the transmitting are performed in a same wireless communication device, the filtering reducing interference to the receptions of the first RAT at the device,the filtering occurs at baseband,the selected frequency range of the second RAT is proximate to a frequency range of the first RAT and is attenuated by varying amounts, andthe amount of attenuation applied to the selected frequency range of the second RAT is greater at frequencies closer to the frequency range of the first RAT.

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