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SYSTEM AND METHOD FOR TESTING MULTI-USER, MULTI-INPUT/MULTI-OUTPUT SYSTEMS

  • US 20160212641A1
  • Filed: 01/19/2016
  • Published: 07/21/2016
  • Est. Priority Date: 01/19/2015
  • Status: Active Grant
First Claim
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1. A method of testing a multi-input, multi-output (MIMO) device under test (DUT), the method comprising:

  • generating a plurality of independent uplink signals;

    applying corresponding uplink fading channel characteristics to each of the independent uplink signals to generate a plurality of faded independent uplink signals;

    selectively connecting the plurality of faded independent uplink signals to a plurality of RF ports configured to transmit RF signals to at least one of a plurality of inputs of the MIMO DUT in response to at least one control signal;

    receiving at the plurality of RF ports a plurality of downlink signals from the MIMO DUT;

    applying downlink fading channel characteristics to at least one of the downlink signals, to produce therefrom at least one faded downlink signal; and

    measuring at least one performance characteristic of the MIMO DUT from the at least one faded downlink signal.

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