Universidad Pública de Navarra - Nafarroako Univertsitate Publikoa
Public University of Navarre
| Course code: 253403 | Subject title: DIGITAL COMMUNICATIONS | ||||
| Credits: 6 | Type of subject: Mandatory | Year: 2 | Period: 2º S | ||
| Department: Ingeniería Eléctrica, Electrónica y de Comunicación | |||||
| Lecturers: | |||||
| LOPETEGUI BEREGAÑA, JOSÉ MARÍA [Mentoring ] | IRIARTE GALARREGUI, JUAN CARLOS (Resp) [Mentoring ] | ||||
Methodology
| Methodology - Activity | Contact hours | Non-contact hours |
| A-1 Lecture / participatory classes | 45 | 20 |
| A-2 Lab sessions | 15 | 10 |
| A-3 Debates, team work, group tutoring | 5 | |
| A-4 Work preparation | 5 | |
| A-5 Material readings | ||
| A-6 Independent study | 42 | |
| A-7 Exams, assessment tests | 3 | |
| A-8 Individual Tutorials | 5 | |
| Total | 73 | 77 |
Evaluation
| Learning outcome | Evaluation system | Weight (%) | Recoverable character |
| 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 | Individual written examination about the theoretical contents of the subject | 50 | Recoverable by a new written exam |
| 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 | Continuous evaluation | 25 | Recoverable by a new written exam |
| 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 | Evaluation by written exam after each practical session | 25 | Unrecoverable |
Agenda
1 Introduction to digital communication systems
- Communication system model
- Distortion. Equalization
- Signal to Noise ratio.
- Digital versus analog communications
- Digital modulations
2 Digital baseband transmission
- A / D conversion. Sampling, quantization and coding
- Types of sampling: natural, chopper and flat-top. Reconstruction filtering
- Quantization. Quantization noise
- Pulse-Code Modulation (PCM)
- Binary signaling schemes and their spectra
- Multilevel (M-ary) signaling
- Non-uniform quantization. Mu law and A Law
- Delta modulation and predictive coding
- Inter-symbol interference. Eye diagram
- Pulse shaping. Nyquist criteria
- Optimum threshold detection. Matched filter.
3 Digital pass-band transmission
- Geometric representation of signals
- Coherent and non-coherent detection
- Correlation receivers
- Single carrier digital bandpass modulations
- Synchronization techniques
4 Multiplexing and Spread Spectrum Techniques
- Introduction
- Multiplexing and multiple access techniques
- Pseudo-random sequences
- Direct sequence spread spectrum
- Frequency hopping spread spectrum
- Application examples: UMTS
5 Multi-carrier modulations
- Introduction
- Discrete multitone
- OFDM and CODFM
- Application examples: ADSL / WLAN / DTT
6 Coding techniques
- Introduction
- Source coding
- Channel coding. Block codes. Convolutional coding.
Experimental practice program
The practice program is composed by 4 practical sessions with 5 different practices:
Session 1:
- Practice 1: PCM
- Practice 2: Delta Modulation
session 2
- Practice 3: Line Coding
session 3:
- Practice 4: Intersymbol Interference (ISI)
session 4:
- Practice 5: ASK-PSK-QPSK-FSK
Bibliography
Access the bibliography that your professor has requested from the Library.
Basic bibliography:
- Communication systems (5 a Ed.). S. Haykin and M. Moher. John Wiley & Sons 2010.
- Fundamentals of communication systems. JG Proakis and M. Salehi. Prentice Hall 2004.
Further reading:
- Digital Communications (5 a Ed.). JG Proakis. Mc Graw Hill 2001
- Communication Systems (5 a Ed.). AB Carlson and PB Crilly. McGraw Hill 2009.
- Digital and analog communication systems (7 a Ed.). L. Couch. Prentice Hall 2006.