Method of mapping CSI-RS ports to resource blocks, base station and user equipment
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United States of America Patent
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Jan 30, 2018
Grant Date -
Feb 18, 2016
app pub date -
Apr 9, 2013
filing date -
Apr 9, 2013
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Abstract
The present disclosure provides a communication method that a base station configures different CSI-RS ports with different periodicity based on UE requirement (e.g. mobility) to reduce CSI-RS overhead. And another method is to transmit partial CSI-RS ports in a cyclic shifted manner to further reduce the overhead. In addition, cyclic shifted transmission of split CSI-RS port groups are proposed to reduce the potential big difference of interference onto different CSI-RS port groups.
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