Overview

Spectral Density and Noise: energy and power spectral densities; transmission of noise through LTI systems; equivalent noise bandwidth; available power and noise temperature; noise figure; antenna and sky noise temperatures.Amplitude Modulation: modulation and demodulation techniques and systems for double sideband suppressed carrier, double sideband large carrier, single sideband, and vestigial … For more content click the Read More button below.

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Tuition pattern

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Aims

This topic aims to introduce students to the concept, treatment and analysis of noise in communication systems, the basic concepts of information theory and its application to coding and communication, linear and exponential continuous-wave modulation and demodulation techniques, the methods and issues in transmitting analogue messages along digital communication systems, the range of techniques for modulating and demodulating digital information for transmission through a communication system, and the comparison of different communication systems in terms of issues such as noise, bandwidth and information rate.

Learning outcomes

On completion of this topic you will be expected to be able to:
1.
Quantify the time-average effect of noise in communication systems
2.
Understand the modulation and demodulation techniques for continuous-wave communication systems
3.
Apply information theory to the coding of information and the calculation of the capacity of a channel
4.
Understand the modulation and demodulation techniques for digital baseband and bandpass communication systems
5.
Critically compare different modulators and demodulators

Assessments

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Requisites information

Pre-requisites:
Anti-requisites:

Assumed knowledge

Familiarity with operational amplifiers and basic electronics.