University of Management & Technology
School of Science & Technology
Department of Electrical Engineering
COMMUNICATION SYSTEMS (EE 410)
Lecture
Schedule
As per timetable.
Semester
Fall 2015
Pre-requisite
Signals and Systems (EE312)
Credit Hours
3
Instructors
Muhammad Ilyas Khan
Ilyas.khan@umt.edu.pk
Dr. Khawar Khokhar
mailto:khawar.khokhar@hotmail.co.uk
M Asim Butt
asim.butt@umt.edu.pk
Office Hours
Monday: 11:00 to 13:00
Wed: 11:00 to 13;00
Monday: 9:45am to 11am
Wed: 9:45am to 11am
(M,T,W,Th)0200 pm to
0500 pm
Office
Hall 501 and 401 SEN
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Course
Objectives
Learning
Outcomes
Textbook(s)
Grading
Policy
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
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To provide a comprehensive survey of communication system techniques and
technologies with emphasis on analog communication.
To provide a context for undertaking advanced subjects in this area, especially
digital communications.
To provide exposure to relevant computing techniques in this area.
The course contributes to HEC Electrical Engineering Curriculum objectives a, d,
e and f.
Refer attached sheet
Required Text:
Communication Systems by Simon Haykin 5th edition, Wiley& sons
Reference:
Digital and Analog Communication Systems by B. P. Lathi, 4thEdition.
Quizzes & Assignments:25%
Mid Term:25%
Final :50%
Course Plan
Lectures
1-2
3-4
5-7
8-11
12-15
Topics
Introduction
 Communication System Block Diagram( Transmitter and Receiver)
 Signal to Noise Ratio (SNR), Channel Bandwidth and Data Rate
 Randomness, Redundancy and Coding
 Performance Metrics for Communication Systems
Overview of Signals and Systems
 Fourier Transform and its properties
 Inverse Fourier Transform
 Fourier Transform of periodic Signals
Transmission of Signals
 Signal Transmission through a Linear System
 Filters
 Phase and Group Delay
Amplitude Modulation
 Standard AM
 Double Sideband Suppressed Carrier (DSB-SC)
 Quadrature-carrier Multiplexing
 SSB and VSB
 Frequency Translation
 Frequency Division Multiplexing
Phase and Frequency Modulation
 Frequency Modulation
 Phase-Locked Loop (PLL)
 Non-Linear effects in FM Systems
 The Super-heterodyne Receivers
Readings
Lecture Notes
2.1-2.6
2.7, 2.11
3.1-3.8
4.1-3, 4.5-6
Mid-Term
16-19
20-21
22-23
24-27
28-30
Random Variables and Random (Stochastic) Processes
 Random Variables and Statistical Averages
 Random Processes and WSS
 Transmission of Random Processes through a Linear Filter
 Power Spectral Density
 Gaussian Processes and Noise
Digital Representation of Analog Signals
 The Sampling Process, Pulse Amplitude Modulation.
 The Quantization Process
 Pulse-Code Modulation
Baseband Transmission of Digital Signals
 Baseband Pulses and Matched Filter Detection
 Probability of Error Due to Noise
 Inter-symbol Interference (ISI)
 Nyquist Criterion for Distortion-less Transmission
Band-pass Transmission
 Band-pass Transmission Model
 Transmission of Binary PSK and FSK
 Coherent and Non-coherent Detection of PSK/FSK
5.3-10
7.3, 7.4
7.8-9
8.1-6
Lecture Notes
9.1-5
Lecture Notes
Expected Course Outcomes:
After completing the course the student should have following concepts and analytical skills.
1. Describe role of different communication techniques with a proper global (overall) context.
2. Evaluate and interpret Fourier transform (and its inverse) for a rectangular pulse,
exponential signal, delta function, periodic impulse train, etc.
3. Determine 3-dB bandwidth of a signal or system from the expression of Fourier transform
and energy-spectral-density (ESD).
4. Describe different types of channels (ideal, band-limited, multipath) and their response to
basic signals.
5. Define phase and group delay from the frequency response of a system/channel and
appreciate its implications on message transmission through a channel using examples.
6. Express amplitude modulation (AM) and DSB-SC modulation mathematically and
graphically in time and frequency domains.
7. Estimate modulation index and efficiency of tone modulated AM signal.
8. Describe the importance of phase coherence between transmitter and receiver.
9. Explain working of a switching modulator, ring modulator, envelope detector and Costas
receiver.
10. Explain a QAM multiplexer mathematically and with the help of a diagram.
11. Explain single side band (SSB) and vestigial side band (VSB) modulation and their
application.
12. Describe frequency division multiplexing (FDM) and its application.
13. Describe application of a mixer to shift pass-band signals from one frequency to another.
14. Describe frequency modulation (FM) mathematically with the help of definition of
instantaneous frequency. Also describe the relation between frequency and phase
modulation.
15. Evaluate spectral component of FM using Bessel function table and determine the
bandwidth of broadband FM.
16. Explain operation of phase-locked-loop (PLL).
17. Describe effect of non-linearity on FM.
18. Explain functionality of every block of super-heterodyne receiver.
19. Understand and describe the difference between a random variable and random (stochastic)
processes.
20. Evaluate mean, correlation and covariance functions.
21. Explain autocorrelation and PSD of thermal noise.
22. Describe sampling and aliasing in time and frequency domains.
23. Describe uniform quantization, importance of quantization levels and its effect on data rate.
24. Describe complete technique of pulse-code modulation (PCM).
25. Describe Time-Division-Multilpexing.
26. Derive and expression for matched filter detection of a pulse transmitted through an AWGN
channel.
27. Evaluate probability of error for an AWGN channel.
28. Explain Nyquist criterion for avoiding inter-symbol interference.
29. Explain Phase Shift keying (PSK) and Frequency Shift Keying (FSK) in time and frequency
domains.
30. Describe transmitter and receiver of PSK/FSK/ CPFSK with the help of block diagrams.
31. Describe Minimal Shift Keying (MSK), Gaussian pulse shaping and GMSK modulation and
its implementation in GSM.