面向未来无线通信的正交时频空间调制教程

2021 IEEE/CIC International Conference on Communications in China (ICCC Workshops) Pub Date : 2021-07-28 DOI:10.1109/ICCCWorkshops52231.2021.9538891

Shuangyang Li, W. Yuan, Zhiqiang Wei, R. He, B. Ai, B. Bai, Jinhong Yuan

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引用次数: 5

摘要

近年来提出的正交时频空间(OTFS)调制比传统的正交频分复用(OFDM)调制具有更优越的性能。在本文中，我们提供了一个教程的OTFS调制为未来的无线通信。我们首先回顾了无线信道的特性，然后介绍了OTFS系统模型。特别地，我们还讨论了OTFS信号在不同域上的特性。基于OTFS的特性，简要讨论了OTFS调制的性能，包括分集性能、编码增益性能、信道估计性能和检测性能。最后，我们对OTFS调制在无线通信中的潜在应用进行了讨论，其中也强调了研究挑战。

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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A Tutorial to Orthogonal Time Frequency Space Modulation for Future Wireless Communications

The recently proposed orthogonal time frequency space (OTFS) modulation has demonstrated superior performances over the conventional orthogonal frequency-division multiplexing (OFDM) modulation. In this paper, we provide a tutorial to the OTFS modulation for future wireless communications. We first revisit the properties of the wireless channels and then introduce the OTFS system models. In particular, we also discuss the characteristics of OTFS signals over different domains. Based on the OTFS characteristics, we briefly discuss the performances of OTFS modulation, including the performances of diversity and coding gain, channel estimation, and detection. Finally, we provide a discussion regarding the potential applications of OTFS modulation for wireless communications, where the research challenges are also highlighted.

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2021 IEEE/CIC International Conference on Communications in China (ICCC Workshops)

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