Portale di Ateneo - En.Unibs.it

INTRODUCTION TO ANALOGUE AND DIGITAL TRANSMISSION SYSTEMS.
Historical background. Principles and elements of a point-to-point communication system.
 
NOISE
Thermal and electronic noise. Noise temperature and figure.
 
ANALOGUE MODULATIONS
Canonical representation of band-pass signals. Limited-band noise. Amplitude analog modulations (AM, DSB, SSB, VSB). Coherent demodulation and envelope demodulation. Noise effect. Performance evaluation. Quadrature carrier transmission. Analog frequency modulation. Modulated signal spectrum. Demodulation FM. Threshold effect. Emphasis and de-emphasis.
 
BASE-BAND AND BAND-PASS TRANSMISSION OF DIGITAL SIGNALS
Sampling and Quantization. Pulse Code Modulation for analog signals (hints to D-PCM).
Baseband transmission of digital signals. PAM signal modulation. PAM spectrum. Optimum filter synthesis. Band-limited real channel transimission. Intersymbolic Interference and Nyquist's criterium. Performance computation. Band-pass transmission of digital signals: Amplitude Shift Keying (ASK), Quadrature Amplitude Modulation (QAM), Phase Shift-Keying (PSK), Frequency Shift-Keying (FSK).
 
INTRODUCTION TO INFORMATION THEORY AND CODING
Source and channel coding (hints).
 
EXAMPLES OF TELECOMMUNICATION SYSTEMS
Description of cable, satellite and radio transmission systems. 
 
TRANSMISSION DEVICE
Description of the physical media with a focus on technological and practical information on how to build the cable, the varieties available in the market and their use in different contexts.

TRANSMISSION INFRASTRUCTURE ON LONG DISTANCE
Description of the problems of the project and of devices for the transmission lines to fiber optic point-to-point on long and very long distance.

METROPOLITAN TRANSMISSION INFRASTRUCTURE
Description of key technologies, infrastructure and equipment, used in the construction of fixed networks of transport, with a particular emphasis on metropolitan networks and the ways of all-optical transmission.

LOCAL NETWORK INFRASTRUCTURE
Description of the problems of plant and equipment within a local network. We will describe the project guidelines.

MOBILE NETWORKS
Characteristics of the mobile telecommunications infrastructure, with particular reference to the problems of radio coverage in wireless systems and the problems of electromagnetic pollution.