Systems and methods for reducing interference between a plurality of wireless communications modules

  • US 8,913,962 B2
  • Filed: 05/21/2014
  • Issued: 12/16/2014
  • Est. Priority Date: 07/09/2009
  • Status: Active Grant
First Claim
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1. A wireless communications system, comprising:

  • a first wireless communications module configured to transmit or receive a first wireless signal in a first frequency band selected from a first frequency range; and

    a second wireless communications module configured to transmit or receive a second wireless signal in a second frequency band selected from a second frequency range which overlaps at least in part with the first frequency range;

    wherein the first wireless communications module is further configured to determine an in-band range in the overlapping part of the first and second frequency ranges, wherein the in-band range corresponds to a frequency range where a received first wireless signal and a received second wireless signal experience in-band interference caused by a transmitted second wireless signal and a transmitted first wireless signal, respectively; and

    wherein a transmission power of the second wireless signal is adjusted in response to a frequency offset between the first frequency band and the second frequency band falling within the in-band range.

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