Higher order differential matrix modulation

G. Bauch
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引用次数: 3

Abstract

We propose an extension of differential unitary space-time matrix modulation by an additional differential amplitude modulation for bandwidth-efficient transmission with noncoherent detection in a wireless system with multiple transmit antennas. The input bits are subdivided into two groups. The first group chooses a unitary matrix, the second group determines the amplitude of the transmit matrix. Compared to differential unitary space-time modulation, the proposed scheme has lower detection complexity and provides superior performance for bandwidth-efficient transmission, particularly in time-varying channels.
高阶微分矩阵调制
我们提出了一种差分酉空时矩阵调制的扩展,通过一个额外的差分调幅,用于在具有多个发射天线的无线系统中具有非相干检测的带宽高效传输。输入位被细分为两组。第一组选择酉矩阵,第二组确定发射矩阵的幅值。与差分酉空时调制相比,该方案具有较低的检测复杂度和较好的带宽高效传输性能,特别是在时变信道中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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