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Agile and adaptive wideband MIMO antenna isolation

  • US 8,805,300 B2
  • Filed: 08/30/2012
  • Issued: 08/12/2014
  • Est. Priority Date: 03/19/2012
  • Status: Active Grant
First Claim
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1. A transceiver, comprising:

  • a signal processor configured to output or receive a signal as a plurality of distinguishable data streams;

    a plurality of antenna ports configured to respectively convey the plurality of distinguishable data streams between the signal processor and an antenna array having a plurality of wideband antennas configured to wirelessly transmit or receive the plurality of distinguishable data streams;

    wherein the pluraity of antenna ports comprise;

    a first antenna port configured to convey a first data stream between the signal processor and a first wideband antenna and a second wideband antenna; and

    a second antenna port configured to convey a second data stream between the signal processor and a third wideband antenna; and

    a spatial filter element configured to provide isolation between the plurality of antenna ports by operating one or more of the plurality of wideband antennas to perform beamforming that attenuates a wirelessly transmitted or received data stream in a direction of other wideband antennas within the antenna array.

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