Modulation systems 310

Module code EMS 310
Qualification Undergraduate
Faculty Faculty of Engineering, Built Environment and Information Technology
Module content

Introduction to communication systems. Signals and the signal space, correlation, orthogonal signals, revision of the exponential Fourier series. Analysis and transmission of signals, revision of the Fourier transform, transmission channels and channel distortion, signal power and power spectral density. Analog modulation systems: amplitude modulation (AM), single sideband (SSB), vestigial sideband (VSB), phase modulation (PM), frequency modulation (FM). The phase locked loop (PLL). Sampled Systems (sampling theorem, aliasing). Pulse coded modulation (PCM) and quantisation noise, adaptive differential PCM (AD-PCM), delta modulation, pulse width modulation (PWM). Introduction to digital modulation. Line coding, pulse shaping, Nyquist’s criterion, partial response signalling, digital receivers (equalisation and synchronisation), eye diagrams, digital modulation techniques: binary and M-ary amplitude shift keying (ASK), phase shift keying (PSK), frequency shift keying (M-FSK). The focus will be on analog and digital modulation techniques as applied to radio communication systems.

Module credits 16.00
NQF Level 07
Prerequisites ELI 220 GS
Contact time 1 practical per week, 1 tutorial per week, 3 lectures per week
Language of tuition Module is presented in English
Department Electrical, Electronic and Computer Engineering
Period of presentation Semester 1

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