COURSE INTRODUCTION AND APPLICATION INFORMATION


Course Name
Digital Communications
Code
Semester
Theory
(hour/week)
Application/Lab
(hour/week)
Local Credits
ECTS
EEE 442
Fall/Spring
3
0
3
5
Prerequisites
 EEE 302To succeed (To get a grade of at least DD)
Course Language
English
Course Type
Elective
Course Level
-
Mode of Delivery -
Teaching Methods and Techniques of the Course
Course Coordinator -
Course Lecturer(s) -
Assistant(s) -
Course Objectives The purpose of this course is to introduce the theory of digital communications and practice of today’s communications systems. Digital communications at the block diagram level, data compression, scalar and vector quantization, the Nyquist criterion, PAM and QAM modulation, signal constellations, the Shannon limit for AWGN channels, coding techniques, harddecision and softdecision decoding, trelliscoded modulation, the Viterbi algorithm, equalization of linear Gaussian channels.
Learning Outcomes The students who succeeded in this course;
  • Explain the theoretical foundations of digital communications,
  • Describe the function and characteristics of most common digital modulations used in communications systems,
  • Analyse basic digital communication systems involving random signals, coding and modulation,
  • Use probability theory and stochastic processes in communication system applications,
  • Simulate digital communication systems in MATLAB environment.
Course Description Topics covered in class include review of modulation and coding theory. Trellis coded modulation (TCM). Digital signaling over fading multipath channels. Spread spectrum signals for digital communications. Multiple access systems, timedivision multiple access, codedivision multiple access, frequencydivision multiple access. OFDM communications systems.
Related Sustainable Development Goals

 



Course Category

Core Courses
Major Area Courses
Supportive Courses
Media and Managment Skills Courses
Transferable Skill Courses

 

WEEKLY SUBJECTS AND RELATED PREPARATION STUDIES

Week Subjects Required Materials
1 Introduction; probability & random processes theory review Chapter 2. Digital Communications. Proakis. ISBN 0072321113.
2 Modulation and signal representations Chapter 3.13.4. Digital Communications. Proakis & Salehi. ISBN 0072957166.
3 PAM, PSK, QAM; signal constellation dmin Chapter 3.13.4. Digital Communications. Proakis & Salehi. ISBN 0072957166.
4 Power efficiency; data spectrum determination and spectral efficiency Chapter 3.13.4. Digital Communications. Proakis & Salehi. ISBN 0072957166.
5 AWGN channel; maximum likelihood detection theory Chapter 4.14.6. Digital Communications. Proakis & Salehi. ISBN 0072957166.
6 Matched filtering (coherent receiver); error rates; random phase channel Chapter 4.14.6. Digital Communications. Proakis & Salehi. ISBN 0072957166.
7 Bandlimited channels; intersymbol interference (ISI); Nyquist pulse shaping Chapter 9.19.5. Digital Communications. Proakis & Salehi. ISBN 0072957166.
8 Optimum transmit / receive filters; equalization (linear, decision feedback equalization) Chapter 9.19.5. Digital Communications. Proakis & Salehi. ISBN 0072957166.
9 Multichannel and multicarrier systems; orthogonal frequency division multiplexing (OFDM) Chapter 11.111.2. Digital Communications. Proakis & Salehi. ISBN 0072957166.
10 Bit and power allocation; peaktoaverage power ratio Chapter 11.111.2. Digital Communications. Proakis & Salehi. ISBN 0072957166.
11 Spread spectrum communications Chapter 12.112.3. Digital Communications. Proakis & Salehi. ISBN 0072957166.
12 Direct sequence spread spectrum; frequencyhopped spread spectrum Chapter 12.112.3. Digital Communications. Proakis & Salehi. ISBN 0072957166.
13 Fading channels Chapter 13.113.5. Digital Communications. Proakis & Salehi. ISBN 0072957166.
14 Diversity techniques for fading multipath channels Chapter 13.113.5. Digital Communications. Proakis & Salehi. ISBN 0072957166.
15 Selected Topics in Digital Communications Lecture Notes.
16 Final review Lecture Notes.
Course Notes/Textbooks J.G. Proakis and M. Salehi, “Digital Communications”, 5th Ed., McGrawHill, 2007, ISBN 0072957166.
Suggested Readings/Materials 1. J.G. Proakis and M. Salehi, “Fundamentals of Communication Systems”, ISBN 013147135X. 2. B. Carlson, P.B. Crilly, J.C. Rutledge, “Communication Systems”, McGraw Hill, 2002, ISBN 0071121757. 3. L.W. Couch II, “Modern Communication Systems Principles and Applications”, Prentice Hall, 1995.

 

EVALUATION SYSTEM

Semester Activities Number Weigthing
Participation
Laboratory / Application
4
20
Field Work
Quizzes / Studio Critiques
4
20
Portfolio
Homework / Assignments
Presentation / Jury
Project
Seminar / Workshop
Oral Exam
Midterm
1
25
Final Exam
1
35
Total

Weighting of Semester Activities on the Final Grade
9
65
Weighting of End-of-Semester Activities on the Final Grade
1
35
Total

ECTS / WORKLOAD TABLE

Semester Activities Number Duration (Hours) Workload
Course Hours
(Including exam week: 16 x total hours)
16
2
32
Laboratory / Application Hours
(Including exam week: 16 x total hours)
16
2
Study Hours Out of Class
16
3
48
Field Work
Quizzes / Studio Critiques
4
1
Portfolio
Homework / Assignments
Presentation / Jury
Project
Seminar / Workshop
Oral Exam
Midterms
1
15
Final Exams
1
20
    Total
151

 

COURSE LEARNING OUTCOMES AND PROGRAM QUALIFICATIONS RELATIONSHIP

#
Program Competencies/Outcomes
* Contribution Level
1
2
3
4
5
1

To have knowledge in Mathematics, science, physics knowledge based on mathematics; mathematics with multiple variables, differential equations, statistics, optimization and linear algebra; to be able to use theoretical and applied knowledge in complex engineering problems

2

To be able to identify, define, formulate, and solve complex mechatronics engineering problems; to be able to select and apply appropriate analysis and modeling methods for this purpose.

3

To be able to design a complex electromechanical system, process, device or product with sensor, actuator, control, hardware, and software to meet specific requirements under realistic constraints and conditions; to be able to apply modern design methods for this purpose.

4

To be able to develop, select and use modern techniques and tools necessary for the analysis and solution of complex problems encountered in Mechatronics Engineering applications; to be able to use information technologies effectively.

5

To be able to design, conduct experiments, collect data, analyze and interpret results for investigating Mechatronics Engineering problems.

6

To be able to work effectively in Mechatronics Engineering disciplinary and multidisciplinary teams; to be able to work individually.

7

To be able to communicate effectively in Turkish, both in oral and written forms; to be able to author and comprehend written reports, to be able to prepare design and implementation reports, to present effectively, to be able to give and receive clear and comprehensible instructions.

8

To have knowledge about global and social impact of engineering practices on health, environment, and safety; to have knowledge about contemporary issues as they pertain to engineering; to be aware of the legal ramifications of engineering solutions.

9

To be aware of ethical behavior, professional and ethical responsibility; information on standards used in engineering applications.

10

To have knowledge about industrial practices such as project management, risk management and change management; to have awareness of entrepreneurship and innovation; to have knowledge about sustainable development.

11

Using a foreign language, he collects information about Mechatronics Engineering and communicates with his colleagues. ("European Language Portfolio Global Scale", Level B1)

12

To be able to use the second foreign language at intermediate level.

13

To recognize the need for lifelong learning; to be able to access information; to be able to follow developments in science and technology; to be able to relate the knowledge accumulated throughout the human history to Mechatronics Engineering.

*1 Lowest, 2 Low, 3 Average, 4 High, 5 Highest