Course Outline (F2023)

ELE745: Digital Communication Systems

Instructor(s)Dr. Lian Zhao [Coordinator]
Office: ENG434
Phone: (416) 979-5000 x 556101
Office Hours: Wednesdays, 12:30-1:30 pm
Calendar DescriptionThis course provides a comprehensive introduction to basic principles and techniques of digital communication. Lecture topics include: Analog to digital conversion, PCM, baseband transmission, power spectrum density analysis, intersymbol interference, matched filters, noise analysis, digital modulation, coherent and non-coherent detections. Laboratory work is based on simulations in Matlab.
PrerequisitesELE 635




Compulsory Text(s):
  1. B.P. Lathi and Z. Ding, Modern Digital and Analog Communication Systems, Oxford Press, 5th edition, 2018 (early editions would be fine).
  2. B. Sklar, Digital Communications: Fundamentals and Applications, Prentice Hall, 2000.
Reference Text(s):
  1. J. G. Proakis, Digital Communications, 4 th edition, McGrwa Hill, 2001.
  2. S. Haykin, Communication Systems, 4 th edition, Wiley, 2001.
Learning Objectives (Indicators)  

At the end of this course, the successful student will be able to:

  1. Use communication engineering knowledge to understand and design digital communication systems; understand and evaluate the performance of digital communication systems under various conditions. (1d)
  2. Develop mathematical models to predict the behavior of digital communication systems and compare with read world/simulated data and propose improvements. (2b)
  3. Use communication engineering knowledge to understand and design digital communication systems. (4a)
  4. Understand the impact to the environment of advanced technology; and the impact from human behaviour changes from the evolution of the technologies. (9a)
  5. Understand the development history of modern communication; Self-learning for selected advanced communication techniques through course project to cultivate life-long learning perception and skills. (12b)

NOTE:Numbers in parentheses refer to the graduate attributes required by the Canadian Engineering Accreditation Board (CEAB).

Course Organization

3.0 hours of lecture per week for 13 weeks
2.0 hours of lab per week for 12 weeks
0.0 hours of tutorial per week for 12 weeks

Teaching AssistantsTBA
Course Evaluation
Midterm Exam 25 %
Final Exam 45 %
Literature Study Report 6 %
4 Laboratory 6% each 24 %
TOTAL:100 %

Note: In order for a student to pass a course, a minimum overall course mark of 50% must be obtained. In addition, for courses that have both "Theory and Laboratory" components, the student must pass the Laboratory and Theory portions separately by achieving a minimum of 50% in the combined Laboratory components and 50% in the combined Theory components. Please refer to the "Course Evaluation" section above for details on the Theory and Laboratory components (if applicable).

ExaminationsMidterm exam date: October 23 (8th week), two hours in-person exam (10:00-12:00), problem solving.
 Final exam, three hours in-person exam, problem solving.
Other Evaluation InformationThere will be some assignment problems for each chapter. The assignment will not be collected. However, students are expected to solve all assignment problems. Information about these assignments will be posted on the course homepage.
 Literature Study Report: 6%. More details will be posted   
Other InformationNone

Course Content



Chapters /

Topic, description



Introduction and background knowledge review
 System block diagram, advantages of digital communications, Fourier series for periodic signals.
 (Chapters 1 - 3)



Sampling Theory in Digital Communications
 Introduction to communication systems and digital information, review of Fourier transforms and linear systems, sampling, interpolation limits in digital transmission, Nyquist bandwidth, etc.
 (Chapter 5)



Baseband Transmission
 Line coding, signalling analysis, inter symbol interference (ISI), pulse shaping equalization etc.
 (Chapter 6)



Probability, Optimal Detection
 Probability, optimal detection of binary signals, optimal transceiver, bit error rate analysis.
 (Chapters 7-9)



Digital Modulation
 Signal space, signal space analysis of digital passband modulation, PSK/ASK/APK/QAM/FSK BER analysis, coherent and noncoherent detections and transceivers.
 (Lecture Notes)

Laboratory(L)/Tutorials(T)/Activity(A) Schedule

No lab information set for course.

University Policies

Students are reminded that they are required to adhere to all relevant university policies found in their online course shell in D2L and/or on the Senate website

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