论文标题
延迟多普勒域调制的低PAPR飞行员
Low PAPR Pilot for Delay-Doppler Domain Modulation
论文作者
论文摘要
本文研究了延迟多普勒域调制中的低PAPR试验设计。我们采用基于序列的飞行员设计而不是传统的脉搏飞行员来减轻PAPR问题。我们开发简单的通道估计算法组成了两个阶段，即路径识别和通道系数估计。提供了有关信道估计误差模型的定量分析。基于延迟多普勒域中的试验序列设计原理。实验结果表明，所提出的方案在时域样本中保持了相对较低的PAPR，而通道估计性能在有限多普勒移位通道模型中接近理想的通道估计。
This paper studies the low PAPR pilot design in delay-Doppler domain modulation. We adopt a sequence based pilot design instead of the conventional pulse pilot, to mitigate the PAPR issue. We develop simple channel estimation algorithm composes of two-stages which are path identification and channel coefficient estimation. The quantitative analysis on the channel estimation error model is provided. Based on which the principle of pilot sequence design in delay-Doppler domain is revealed. Experiment results shows that the proposed scheme maintains a relatively low PAPR in time domain samples, while the channel estimation performance approaches the ideal channel estimation in limited-Doppler-Shift channel model.
