Framework for Waveform Analysis - Part I — Lesson 1

This lesson covers the concept of quadrature carriers and information bearing signals. It delves into the different types of modulation, including memory less modulation and with memory modulation. The lesson further explores the concept of Pulse Amplitude Modulation and non-Linear Modulation. It also discusses the impact of increasing the symbol duration on bandwidth and the concept of spectral efficiency. The lesson concludes with a discussion on multi-dimension signaling and M-ary-frequency shift keying.

Video Highlights

00:17 - Basic signal model
03:07 - Pulse amplitude modulation and the class of non-Linear Modulation
05:39 - Bits in the waveform and symbol duration
11:30 - Phase modulated signal and phase shift keying
15:57 - 8-PSK model
21:00 - Multi-dimension signaling and how it can be used to transmit information
24:28 - M-ary-frequency shift keying and how it can be used to choose frequencies

Key Takeaways

- The basic framework or signal model is crucial in studying different waveforms.
- Quadrature carriers and information bearing signals play a significant role in the system model.
- Different types of modulation, including memory less and with memory modulation, have their own advantages and disadvantages.
- Increasing the symbol duration effectively reduces the bandwidth.
- Spectral efficiency can be increased by increasing the number of bits per symbol duration.
- Multi-dimension signaling and M-ary-frequency shift keying are advanced concepts in the evolution of Air Interface towards 5G.