| Educational guide School of Engineering |
english |
| Bach. Degree in Telecommunication Systems and Services Engineering (2016) |
 Subjects |
| FUNDAMENTALS OF COMMUNICATIONS II |
| Contents |
| IDENTIFYING DATA | 2017_18 |
| Subject | FUNDAMENTALS OF COMMUNICATIONS II | Code | 17244108 | |||||
| Study programme |
|
Cycle | 1st | |||||
| Descriptors | Credits | Type | Year | Period | ||||
| 6 | Compulsory | Second | 2Q |
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| Competences | Learning outcomes | Contents |
| Planning | Methodologies | Personalized attention |
| Assessment | Sources of information | Recommendations |
| Topic | Sub-topic |
| 1. Introduction to communications | 1.1. Definition of a electronic communication system: transmitter, channel and receiver. 1.2. History communications. 1.3 Classification of communication systems. 1.4 Quality parameters and resources of a telecommunication system: 1.4.1 undesired signals: noise and distortion (concepts). 1.4.2. Fidelity respect to the received signal sent. 1.4.3. Concept of BER and SNR. 1.4.4. Resources available: transmitted power and bandwidth. 1.5. Types of channels: guided and unguided The radio spectrum. 1.6. Pas band signal: definition, representation and frequency phasor. |
| 2. Probability. |
2.1 Finite probability space. Conditional probability. Independence of events. Bayes' theorem. 2.2. Random variables. Distribution function. Probability density function. Functions of random variables. 2.3. Centralization and dispersion. Moments. Media, mode and variance. Theorem hope. 2.4. Hope sum and product. Independence incorrelació and orthogonal |
| 3. Random Signals | 3.1. Random signals and stochastic processes. Ergodic process. 3.2. Scalar product of two random ergodic signals. Correlation. 3.3. Autocorrelation function. Properties. Incoherent signals. 3.4. Power spectral density. Sinusoid with random phase. Random phase modulation at the carrier. 3.5. Noise in Communications Systems 3.5.1 Definitions, types of noise, thermal noise, white and filtering. 3.5.2 Statistical characterization of thermal noise, 3.5.3 Spectral Characterization of thermal noise: Noise power spectral density Bandwidth of noise, Signal - noise 3.6.Transmisión of random signals through linear filters. Average value at the output. |
| 4. Linear analog modulations | 4.1 Amplitude Modulation (AM) - Definition - Representation in the time and frequency domain - Schemes modulators and demodulator AM - Noise in a AM system 4.2. Other linear modulation schemes: - Double sideband (DBL) - Single sideband (SSB) - Vestigial sideband (BLV) |
| 5. Angular analog modulations | 5.1 Frequency Modulation (FM) - Definition - Representation of a FM modulated tone in the time domain and frequency: Bessel functions. - Schemes Modulators and FM demodulator - Noise in an FM system 5.2 Phase Modulation (PM) - Definition - Comparison with AM modulation. |
