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Radio with spatially-offset directional antenna sub-arrays

  • US 9,712,216 B2
  • Filed: 01/17/2017
  • Issued: 07/18/2017
  • Est. Priority Date: 08/17/2011
  • Status: Active Grant
First Claim
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1. A radio comprising:

  • one or more demodulator cores, wherein each demodulator core is configured to demodulate at least one receive symbol stream;

    a plurality of receive radio frequency (RF) chains, wherein each receive RF chain is configured to convert from a receive RF signal to a receive chain output signal;

    one or more modulator cores, wherein each modulator core is configured to produce at least one transmit symbol stream;

    a plurality of transmit radio frequency (RF) chains, wherein each transmit RF chain is configured to convert from a transmit chain input signal to a transmit RF signal;

    a first directional antenna array comprising a plurality of first directional antenna sub-arrays, wherein each first directional antenna sub-array comprises a plurality of first directional antenna elements, and wherein each first directional antenna sub-array is coupled or couplable to at least one of the plurality of receive RF chains; and

    a second directional antenna array comprising a plurality of second directional antenna sub-arrays, wherein each second directional antenna sub-array comprises a plurality of second directional antenna elements, and wherein each second directional antenna sub-array is coupled or couplable to at least one of the plurality of transmit RF chains;

    wherein at least one first directional antenna sub-array is spatially offset relative to at least one other first directional antenna sub-array in a first arrangement; and

    wherein said at least one first directional antenna sub-array is also spatially offset relative to at least one second directional antenna sub-array in a second arrangement.

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