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Hybrid beam former

  • US 10,256,894 B2
  • Filed: 09/11/2017
  • Issued: 04/09/2019
  • Est. Priority Date: 09/11/2017
  • Status: Active Grant
First Claim
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1. An apparatus for wireless communications, comprising:

  • a plurality of block circuits, wherein each one of the plurality of block circuits is configured to receive a respective plurality of signals from a respective subset of antenna elements of an antenna array, and each one of the plurality of block circuits comprises;

    a respective plurality of phase shifters configured to shift phases of the respective plurality of signals to obtain a respective plurality of phase-shifted signals; and

    a respective combiner configured to combine the respective plurality of phase-shifted signals into a respective combined signal;

    a plurality of time-delay elements configured to delay the combined signals to obtain a plurality of delayed combined signals; and

    a combiner configured to combine the plurality of delayed combined signals into a total combined signal.

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