Foundations of communications
Objectives and Contextualisation
Know and know how to apply the concepts of correlation and spectrum of random signals.
Identify the main blocks of a communications system and its features.
Know the linear, phase and frequency analogue modulations.
Know how to calculate the signal to noise ratio in analogue communication systems.
Introduce the student in the concepts of sampling, quantification and source coding.
Understand digital modulations.
Know how to represent the signals with digital modulations in vector form and obtain the probability of error.
Understand intersymolic interference and know how to apply equalization systems.
Competences
Electronic Engineering for Telecommunication
Communication
Develop personal attitude.
Develop personal work habits.
Develop thinking habits.
Learn new methods and technologies, building on basic technological knowledge, to be able to adapt to new situations.
Resolve problems with initiative and creativity. Make decisions. Communicate and transmit knowledge, skills and abilities, in awareness of the ethical and professional responsibilities involved in a telecommunications engineer's work.
Work in a multidisciplinary group and in a multilingual environment, and communicate, both in writing and orally, knowledge, procedures, results and ideas related with telecommunications and electronics
Work in a team.
Telecommunication Systems Engineering
Communication
Develop personal attitude.
Develop personal work habits.
Develop thinking habits.
Learn new methods and technologies, building on basic technological knowledge, to be able to adapt to new situations.
Resolve problems with initiative and creativity. Make decisions. Communicate and transmit knowledge, skills and abilities, in awareness of the ethical and professional responsibilities involved in a telecommunications engineer's work.
Work in a multidisciplinary group and in a multilingual environment, and communicate, both in writing and orally, knowledge, procedures, results and ideas related with telecommunications and electronics.
Work in a team.
Learning Outcomes
Analyse and design analogue and digital communication diagrams.
Analyse and design digital signal processing diagrams.
Analyse and specify the fundamental parameters of a communication system.
Analyse and specify the fundamental parameters of a communications system.
Assume and respect the role of the different members of a team, as well as the different levels of dependency in the team.
Communicate efficiently, orally and in writing, knowledge, results and skills, both professionally and to non-expert audiences.
Develop curiosity and creativity.
Develop independent learning strategies.
Develop systemic thinking.
Develop the capacity for analysis and synthesis.
Efficiently use ICT for the communication and transmission of ideas and results.
Evaluate the advantages and disadvantages of different conceptual and technological options for different telecommunication applications.
Evaluate the advantages and disadvantages of different technological alternatives for the deployment or implementation of communication systems, in terms of signal space, disturbance and noise and the analogue and digital modulation systems.
Identify, manage and resolve conflicts.
Illustrate signal and communication processing algorithms using a basic mathematical formalism.
Illustrate the algorithms of signal processing and communications using a basic mathematical formalism.
Make one's own decisions.
Statistically characterise noise and analyse its effect on analogue and digital modulations.
Statistically characterize noise and analyse its effect on analogue and digital modulations.
Use computer tools to research bibliographic resources and information on telecommunications.
Use computerised search tools to find bibliographic resources or information related to telecommunications.
Work autonomously.
Work cooperatively.
Content
Random signals
Need to work with random signals
Random variables (review)
Random processes
Autocorrelation
Spectral density in stationary random processes
Noise
Analog Baseband Transmission
Elements of a communications system in base band
Linear distrosion
Nonlinear distortion
Loss of transmission
Filters
Signal-to-noise ratio (SNR)
Analog Pass-band Transmission
Elements of a pass-band communications system
Step-band signals: analytical signal and step-down equivalent
Filtering equivalent step-by-step
Modulation and demodulation of step-by-step signals
Autocorrelation and spectral density of non-band signals
Phase delay and group delay
Noise bandwidth
Application cases: AM and DBL. Calculation of SNR
Laboratory case: FM
Digital Baseband Transmission
Introduction
Signaling
Spectral density of the digital PAM signal
Noise and errors in digital transmission: probability of error
Adaptive filter
Intersimbolic interference and Nyquist pulses
Discrete equalization
Digital Pass-band Transmission
Introduction
Basic digital modulations
The signal space
Optimal receiver filter
Probability of error
Presential
TRUE
Foundations of communications
Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or HaDEA. Neither the European Union nor the granting authority can be held responsible for them. The statements made herein do not necessarily have the consent or agreement of the ASTRAIOS Consortium. These represent the opinion and findings of the author(s).
