Almost blank subframe in carrier aggregation
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United States of America Patent
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Jan 17, 2017
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N/A
app pub date -
Mar 17, 2016
filing date -
Oct 29, 2011
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Abstract
A base station transmits a message to a plurality of wireless devices in connected mode. The message comprises a subframe allocation bitmap indicating a plurality of subframes. The plurality of subframes comprises a plurality of almost blank subframes. During majority of symbols of an almost blank subframe of a base station, signals are transmitted at an almost blank subframe power level that is different from a transmit power during a non-almost blank subframe.
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