2. Signals, systems and stochastic processes in communications |
-Review of basic concepts: signals, systems, transforms.
-Autocorrelation function of a stochastic process.
-Power spectral density. Transmitted power, transmission bandwidth.
-Noise characterization |
4. Pulse amplitude modulation (PAM) |
- Baseband PAM
- Bandlimited channels and intersymbol interferences (ISI)
- Nyquist criterion, raised cosine pulses, eye diagram
- Bandpass PAM |
6. The communication channel |
-Transmission media
-Signal to noise ratio
-Multipath and frequency selectivity
-Fading
-Doppler effect |