Digital Communications
Lecture notes
_____________________________________________________________________________________
Presentation of the subject
0. Presentation (PDF)
Slides with the presentation of the subject
Chapter 1 - Introduction
1. Introduction (PDF)
Slides introducing the subject. Some basic definitions and description of the main objectives of the course.
Chapter 2 - Pulse amplitude (linear) modulation
2. PAM modulations (PDF)
Slides for contents of chapter 2, which include baseband and bandpass digital amplitude modulations, their time domain generation, and analysis of spectral characteristics and main characteristics.
Chapter 3 - Angle modulation
3. Angle modulations (PDF)
Slides for contents of chapter 3, which include phase and frequency modulations, with their basic definitions, and analysis of main characteristics.
Chapter 4 - Design of digital communication receivers in the presence of inter symbol interference (ISI)
4. Receivers under ISI (PDF)
Slides for contents of chapter 4, which include the design of several kinds of receivers for digital communication systems to deal with the intersymbol interference that channel distortion typically generates.
Chapter 5 - Multipulse modulations
5. Multipulse modulations (PDF)
Slides for contents of chapter 5, which include OFDM and spread spectrum modulations.
Chapter 6 - Channel coding for error protection
6. Channel coding (PDF)
Slides for contents of chapter 6, which include several channel coding techniques: linear block codes, convolutional codes, and TCM codes (trellis coded modulation).