Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
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United States of America Patent
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May 17, 2016
Grant Date -
Dec 25, 2014
app pub date -
Jul 1, 2014
filing date -
May 29, 2012
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Abstract
A system for selecting optimal phase combinations for RF beamformers in a MIMO hybrid receiving systems augmented by RF Distribution Network. The system addresses the issue of providing beamforming gains for a plurality of layers using one common set of weights for each beamformer. The specification may be based on channel estimation of all layers as viewed by all receiving antennas, and maximizing metrics that capture the total received power.
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