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Methods and apparatus for antenna isolation-dependent coexistence in wireless systems

  • US 8,688,056 B2
  • Filed: 10/08/2012
  • Issued: 04/01/2014
  • Est. Priority Date: 06/26/2008
  • Status: Active Grant
First Claim
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1. A method of operating a multi-input multi-output (MIMO)-capable air interface of a device having at least one other air interface, the method comprising:

  • communicating, from said one other air interface to said MIMO-capable interface, a communication activity level of said one other air interface;

    when said MIMO-capable interface and said one other air interface are operating simultaneously, then determining a radio frequency isolation between at least two antenna elements of said MIMO-capable interface and said one other air interface, wherein said determining comprises determining a time-variant isolation;

    classifying said radio frequency isolation as one of symmetric or asymmetric; and

    based at least in part on said communicated communication activity level and said determined radio frequency isolation, configuring said MIMO-capable interface to operate a first number of said antenna elements.

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