Invention Grant
US09083404B2 Linear precoding in MIMO broadcast channel with arbitrary rank constraints 有权
具有任意秩约束的MIMO广播信道中的线性预编码

Linear precoding in MIMO broadcast channel with arbitrary rank constraints
Abstract:
Methods and systems for transmission are shown that include iteratively generating an optimized precoder matrix and optimized linear filters for multiple receivers, where the optimized precoder matrix is based on a linear filter from a previous iteration and the optimized linear filters the multiple receivers are based on a precoder matrix from a previous iteration, precoding an input stream using the iteratively generated optimized precoder matrix to produce transmission streams for the multiple receivers, where at least one receiver has a plurality of associated transmission streams, and transmitting the transmission streams with multiple antennas to the receivers.
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