| 摘要 |
Methods and systems for communication include determining multiple angles based on a channel response matrix, calculating a triangular matrix based on the determined angles and the channel response matrix, receiving signals from a transmitter, and estimating transmitted signals using an inverse of the triangular matrix, the determined angles, and the received signals. The determined angles can include one or more angles to perform phase cancellation on the channel response matrix and one or more angles to zero one or more below diagonal elements of the channel response matrix.
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