Apparatus and method for estimating downlink channel conditions at cell-edge
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United States of America Patent
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Aug 27, 2019
Grant Date -
Feb 1, 2018
app pub date -
Dec 16, 2016
filing date -
Jul 28, 2016
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Abstract
Aspects of the present disclosure provide methods and apparatuses that can utilize different subframe structures to estimate a channel during wireless communication in different scenarios. When a scheduling entity determines that a scheduled entity is near or at a cell edge, the scheduled entity may use a special subframe to estimate the channel utilizing more resources of the subframe, for example data signals. The special subframe can facilitate channel estimation by using a less complex (or lower rank) modulation and coding scheme (MCS) for the data symbols than a normal subframe for other scheduled entities not located near the cell edge.
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