Almost blank subframe allocation in heterogeneous network
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United States of America Patent
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Mar 14, 2017
Grant Date -
Jul 14, 2016
app pub date -
Mar 17, 2016
filing date -
Oct 29, 2011
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Abstract
A first base station provides overlapping coverage area with second base stations and third base stations. Second base stations allow access to wireless devices and configure a second plurality of almost blank subframes. Second base stations configure the same set of subframes as the second plurality of almost blank subframes. Third base stations allow access to a restricted subset of wireless devices and configure a third plurality of almost blank subframes. At least two base stations in the third base stations configure different set of subframes as the second plurality of almost blank subframes.
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