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Distributed Phased Arrays Based MIMO (DPA-MIMO) for Next Generation Wireless User Equipment Hardware Design and Method

  • US 20180219587A1
  • Filed: 01/30/2018
  • Published: 08/02/2018
  • Est. Priority Date: 02/01/2017
  • Status: Active Grant
First Claim
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1. A system for distributed phased array multiple input multiple output (DPA-MIMO) communications, comprising:

  • a baseband processing unit;

    a plurality of beamforming (BF) modules each of which comprises at least a beamforming antenna and a transceiver circuit comprising at least a downconverter that downconverts a beamformed antenna radio frequency signal to an intermediate frequency signal, and an upconverter that upconverts an intermediate frequency signal to radio frequency and sends to said beamforming antenna for transmission;

    a plurality of intermediate frequency (IF) radios, each of which comprises a receive chain circuit that includes at least a downconverter that downconverts an intermediate frequency signal sent from said BF module to a basedband signal conveyed to said baseband processing unit, and a transmit chain circuit that includes at least an upconverter that upconverts a baseband signal received from said baseband processing unit to an intermediate frequency signal which is conveyed to said beamforming module;

    anda plurality of cables or any type of physical signal transmission medium, each of which connects one of said beamforming modules with one of said intermediate frequency radios.

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