Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
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United States of America Patent
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Sep 24, 2013
Grant Date -
Feb 24, 2011
app pub date -
Nov 1, 2010
filing date -
Apr 2, 2004
priority date (Note) -
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Abstract
Systems and methods are described for coordinating transmissions in distributed wireless systems via user clustering. For example, a method according to one embodiment of the invention comprises: measuring link quality between a target user and a plurality of distributed-input distributed-output (DIDO) distributed antennas of base transceiver stations (BTSs); using the link quality measurements to define a user cluster; measuring channel state information (CSI) between each user and each DIDO antenna within a defined user cluster; and precoding data transmissions between each DIDO antenna and each user within the user cluster based on the measured CSI.
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