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Using a coaxial cable for distributing MIMO signals in-house

  • US 10,177,832 B2
  • Filed: 02/12/2018
  • Issued: 01/08/2019
  • Est. Priority Date: 08/25/2015
  • Status: Active Grant
First Claim
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1. A system operative to use spatial multiplexing in conjunction with a coaxial cable deployed in-house, comprising:

  • a base converter;

    a coaxial cable deployed in-house, said coaxial cable reaching into a certain room located in-house; and

    a plurality of antennas located in the certain room;

    wherein the system is configured to;

    convert, in the base converter, a plurality of streams associated with spatial multiplexing, respectively, into a plurality of signals occupying, respectively, a plurality of different frequencies;

    transport the plurality of signals, in conjunction with the plurality of different frequencies, via the coaxial cable, into the certain room, thereby enabling a presence of the plurality of signals in the certain room;

    shift the plurality of signals into, respectively, a plurality of output signals, in which all said output signals occupy a single wireless frequency, and in which said shift is achieved by up-converting each one of the signals, which are now present in the certain room, from the corresponding one of the different frequencies into the single wireless frequency; and

    transmit wirelessly, using only the single wireless frequency, the plurality of output signals, respectively, via the plurality of antennas located in the certain room, all said antennas operating in conjunction with the single wireless frequency, thereby achieving spatial multiplexing in the certain room and in conjunction with the coaxial cable;

    wherein the plurality of different frequencies are located below 1.5 GHz, at frequency zones that are, at least momentarily, not occupied by in-house coaxial signals including DOCSIS signals, MoCA signals, and cable TV signals; and

    wherein the plurality of streams are input to the base converter, from an access point, in a radio frequency form at frequency bands above 1.5 GHz; and

    said conversion of the plurality of streams, respectively, into the plurality of signals is performed, respectively, by a plurality of mixers in the base converter, the mixers operating as down-converters.

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