Communication Systems (EE3713)

Signals & Systems (EE-2613)

Probability and Random Variables (EE-2413)

Modern Digital And Analog Communication Systems by B. P. Lathi, Oxford University Press, 4th Edition

Communication Systems Engineering by J. G. Proakis And M. Salehi

The basic objective of this course is to provide basic knowledge of major components of a communication system. It will help students understand the basics of signal and representation of signals by trigonometric Fourier series, signal transmission and analysis, Fourier transforms and their properties. It will enhance students’ knowledge about random noise processes. It will give them a detailed knowledge of modulation ad demodulation, analogue modulation techniques, carrier recovery schemes and phase-locked loops (PLLs). It will provide the knowledge of sampling theorem and reconstruction of signals. Also an introduction to information theory, source coding, channel capacity, and communication channel models shall be discussed.

CLO1: Analyze the periodic and non-periodic signals using trigonometric Fourier series and Fourier transforms respectively. (Level: C4)

CLO2: Analyze the behavior of amplitude and phase modulated signals both in time and frequency domain. (Level: C4)

CLO3: Design Amplitude Modulation (AM) and Frequency Modulation (FM) transmitter and receiver. (Level: C5)

• Introduction to communication systems, analog and digital messages, SNR, channel BW, modulation.
• Introduction to signals, size of a signal, signals and vectors, signal representation, trigonometric Fourier series.
• Analysis and transmission of signals, Fourier transform and its properties, energy and power spectral density.

• Double Sideband Suppressed Carrier Amplitude Modulation (DSB-SC-AM)
• Conventional Amplitude Modulation (DSB-AM)
• Single Sideband Amplitude Modulation (SSB-AM)
• Quadrature Amplitude Modulation (QAM)
• Frequency Mixer/converter.
• Demodulation of AM.
• Types of Modulator and Demodulator.
  • Double Sideband (DSB)
  • Single Sideband (SSB)
  • Vestigial Sideband (VSB)
  • Carrier Acquisition.
  • Phase Locked Loop (PLL).
  • Composite Video Signal (Television Broadcasting)

• Bandwidth of Angle-Modulated Waves
• Generation of FM Waves
• Demodulation of FM
• Interference in Angle-Modulated Systems
• FM Receiver

• Pulse code modulation (PCM)
• Pulse amplitude modulation (PAM)
• Pulse width modulation (PWM)
• Pulse position modulation (PPM)

• Frequency bands and transmission media
• Radio Systems
• Measures of Information
• Shannon’s Theorem
• Channel Capacity Concept
• Introduction to Source Coding
• Variable Length Coding (Huffman Coding)