发明申请
US20130077707A1 METHOD AND APPARATUS FOR MULITPLE INPUT MULTIPLE OUTPUT DISTRIBUTED ANTENNA ARRAYS 有权
多输入输出多输出天线阵列的方法与装置

METHOD AND APPARATUS FOR MULITPLE INPUT MULTIPLE OUTPUT DISTRIBUTED ANTENNA ARRAYS
摘要:
A method, apparatus and computer program product are provided for reporting low rank feedback information for each transmission point up to a maximum rank per transmission point. In this regard, a method includes determining a transmission rank and a precoding matrix for each of at least two transmission points of a plurality of transmission points. A method also includes determining a joint transmission rank based on at least two of the plurality of transmission points. A method also includes selecting a joint transmission precoding matrix based on the determined precoding matrix for each of the at least two transmission points and the determined joint transmission rank. The method further includes causing channel state information “CSI” to be transmitted to an access point, wherein the CSI describes the selected joint transmission precoding matrix.
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