Comparing Spatially Separated SISO & Co-Located MIMO Antennas Within MIMO Systems
Antenna selections for in-building networks are usually based on uniform and symmetrical radiation characteristics in a free-space environment. However, these characteristics can be dramatically altered by interferers in real world environments. One possible solution to this is to install MIMO networks with two uniform, symmetrically radiating, SISO antennas that are spatially separated, which can unfortunately inure higher system costs. This application note discusses how co-located MIMO performs as well as or better than spatially separated SISO antennas, while providing a cheaper alternative. Download the full paper for a comparison between three MIMO antenna solutions, and the best performance metrics to use for their measurements.
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