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Recently there is a trend to use Tomlinson-Harashima preceding (THP) to achieve better performance with full channel state information known at transmit side. In general, performance of THP precoding is governed by the the minimum absolute diagonal elements of the triangle matrix which is derived from QR decomposition to the channel matrix. In this paper we propose a new THP precoding scheme in which...
Tomlinson-Harashima precoding (THP) is one kinds schemes which is widely used to improve system performance or alleviate the complexity at receiver side with the assumption full channel state information known at transmitter. In THP precoding scheme bit error rate performance is always determined by the minimum square value of the diagonal elements of matrix R over the noise ratio where R is the triangle...
Focusing on high order multiple-input multiple-output (MIMO) systems, this paper presents an orthogonal grouping-based near optimal detection algorithm (OGNO). Compared to existing detection algorithms, the proposed algorithm provides a new viewpoint of reducing the receiver detection complexity in high order MIMO systems. With the proper parameters, the OGNO can achieve the almost same performance...
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