论文标题
OTFS波形射频IMPRAIGEMENT的实验仿真
Experimental emulation for OTFS waveform RF-impairments
论文作者
论文摘要
正交时频空间（OTFS）波形超出了具有高频率分散通道的高弹性环境中正交频施加多路复用（OFDM）的挑战。由于实用的脉冲塑形设计和RF损伤效应对波形行为有直接影响，因此本文研究了影响OTFS波形性能的实践脉冲塑料设计和RF爆发的实验实现，并将其与OFDM波形进行比较为基准。首先，分析了双分散通道的效应，然后建立一个实验框架以研究RF损失，包括非线性，载体频率偏移，I/Q-Sy-falbalances，DC偏移和相位噪声。实验是根据Keysight EXG X-Serie设备在真实的室内无线环境中使用软件定义的无线电（SDR）进行的。实验结果验证了理论结果的准确性。
Orthogonal time-frequency space (OTFS) waveform exceeds the challenges that face orthogonal frequency division multiplexing (OFDM) in the high-mobility environment with high time-frequency dispersive channels. Since practical pulse shaping design and RF-impairments effects have a direct impact on waveform behavior, this paper investigates experimental implementation for practical pulse shaping design and RF-impairments that affect OTFS waveform performance and compares them to OFDM waveform as a benchmark. Firstly, the doubly-dispersive channel effect is analyzed, then an experimental framework is established for investigating the RF-impairments include non-linearity, Carrier frequency offset, I/Q-imbalances, DC-offset, and phase noise are considered. The experiments were conducted in a real indoor wireless environment using software-defined radio (SDR)based on the Keysight EXG X-Serie devices. The experimental results validate the accuracy of the theoretical results.
