Channel Models for Performance Evaluation - Part I — Lesson 1

This lesson covers the importance of understanding the propagation effects for future advancements in waveforms. The lesson also discusses the role of Multiple-Input, Multiple-Output (MIMO) communications and its limitations. It further explains the large-scale and small-scale effects of propagation, the concept of fading, and the significance of signal propagation. The lesson concludes with an explanation of the two-ray propagation model and the impact of shadowing on signal strength.

Video Highlights

00:18 - Introduction
02:27 - Large scale propagation
07:54 - Effect of wireless communication and characterization
10:50 - Large and small scale fading
15:49 - Friis free space propagation loss and path loss
20:09 - Two ray propagation model
24:31 - Path loss component
29:42 - Parameters of model from 3GPP

Key Takeaways

- Understanding the generation of waveforms and multiple antenna-based signal processing is crucial for the evolution of Air Interface towards 5G.
- Propagation effects play a significant role in the future advancements of waveforms.
- MIMO communications have a significant role in signal processing, but they also have limitations.
- Large-scale and small-scale effects of propagation, as well as the concept of fading, are important aspects of signal propagation.
- The two-ray propagation model and the impact of shadowing on signal strength are key factors in predicting the received signal strength.