频率选择信道的量化恒定包络预编码

2018 IEEE Statistical Signal Processing Workshop (SSP) Pub Date : 2018-06-01 DOI:10.1109/SSP.2018.8450753

H. Jedda, J. Nossek

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引用次数: 4

摘要

在大规模多输入多输出(MIMO)系统中，将粗量化与发射端恒定包络(CE)信号相结合具有重要的功率效率。在这种情况下，我们提出了一种非线性预编码器设计，用于具有频率选择信道的单载波传输。正交调幅(QAM)信号的优化问题是一个线性规划问题。仿真结果表明，与线性预编码器相比，增益显著。

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Quantized Constant Envelope Precoding for Frequency Selective Channels

The combination of coarse quantization with Constant Envelope (CE) signaling at the transmitter is of paramount importance in massive Multiple-Input Multiple-Output (MIMO) systems due to its power efficiency. In this context, we present a nonlinear precoder design for single-carrier transmission with frequency-selective channels. The optimization problem is formulated for Quadrature Amplitude Modulation (QAM) signaling as a linear programming problem. Simulation results show significant gains compared to the linear precoders.

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2018 IEEE Statistical Signal Processing Workshop (SSP)

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