Antenna system driven in beamforming and MIMO transmission modes
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United States of America Patent
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Aug 11, 2015
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N/A
app pub date -
Dec 5, 2013
filing date -
Dec 5, 2013
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Abstract
Systems, equipment, and methods for driving antenna systems with pairs of overlaid orthogonal antenna elements are provided herein. In one example, a method of operating a remote radio unit that drives an antenna system is provided. The method includes receiving user communications and control data transferred by a baseband unit. If the control data indicates a beamforming mode, then the method includes generating a first plurality of radio frequency (RF) signals directed to at least one of the pairs of overlaid orthogonal antenna elements for target wireless communication devices. If the control data indicates a multiple input multiple output (MIMO) mode, then the method includes generating a second plurality of RF signals for the plurality of antenna elements, wherein the second plurality of RF signals are directed to non-adjacent ones of the pairs of the overlaid orthogonal antenna elements for the target wireless communication devices.
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