One of the important aspects in the study of wireless communication is channel modeling that is based on wave propagation theory and empirical measurements models. Most of the common undergraduate curricula address only theoretical aspects of wireless channels, while the related laboratory experiments concentrate on advanced digital modulation techniques and deal with topics such as pilot‐based channel estimation and equalization in orthogonal frequency division multiplexing modulation. In this paper, it is shown that some fundamental channel properties may be reproduced with laboratory experiments that require only a basic knowledge of communication principles, such as baseband and bandpass notation. These experiments can be carried out with affordable software‐defined radios, which have recently become extremely popular in the teaching of communication. Such experiments may enhance the teaching with hands‐on measurements of practical channels, while reinforcing the understanding of probability and random processes theory.

中文翻译：

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使用软件定义无线电进行无线信道建模教学

无线通信研究的重要方面之一是基于波传播理论和经验测量模型的信道建模。大多数普通本科课程仅涉及无线信道的理论方面，而相关的实验室实验则侧重于先进的数字调制技术，并涉及正交频分复用调制中的基于导频的信道估计和均衡等主题。在本文中，表明一些基本的信道特性可以通过实验室实验重现，这些实验只需要基本的通信原理知识，例如基带和带通符号。这些实验可以使用负担得起的软件定义无线电进行，最近在交流教学中变得非常流行。这样的实验可以通过实际通道的动手测量来增强教学，同时加强对概率和随机过程理论的理解。