5G networks will need to offer more capacity and flexibility while lowering the operational expenses of the
system. Two new technologies can simultaneously address both the increase in capacity and the increase
in energy efficiency: Virtualization & Massive MIMO. This white paper provides an overview of test
solutions addressing current and future requirements for antenna verification including both conducted and
over-the-air (OTA) test methods, which result from applying Massive MIMO antenna technology.
This white paper complements the "Millimeter-Wave Beamforming: Antenna Array Design Choices &
Characterization" white paper (1MA276) from Rohde & Schwarz , which introduces fundamental theory
behind beamforming antennas and provides calculation methods for radiation patterns, a number of
simulation results as well as some real world measurement results for small linear arrays.
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