COMMUNICATION SYSTEMS

Course Description

Properties of signals and noise, Fourier Transform and properties of the Fourier Transform. Power spectral density and autocorrelation function, Fourier series expansion and linear systems. Discrete Fourier Transform (DFT), bandwidth requirement of signals. Pulse Amplitude Modulation (PAM) employing natural sampling and flat-top PAM. Pulse Code Modulation (PCM): Sampling, quantizing and encoding, bandwidth requirement of PCM, quantization noise, binary line coding. Inter-symbol Interference (ISI), Nyquist’s method for zero ISI and roll-off filtering. Time-division multiplexing (TDM) and TDM hierarchy, frame synchronization. Radio Frequency (RF) components: limiters, mixers, up and down converters, frequency multipliers, etc. Envelope detector, product detector, frequency detector, PLL. Generalized transmitters and receivers: The superheterodyne principle. Amplitude modulation (AM), Double-Sideband Suppressed Carrier (DSBSC) and asymmetric sideband signals (SSB, VSB). Phase and frequency modulated signals (FM, PM).

COMMUNICATION SYSTEMS

Evaluation Tools (Active Term)

No evaluation items have been defined.

Course outcomes

1. 01 Recognise and use the vocabulary and standard units of communication systems.
2. 02 Design communication systems using analog and digital modulation techniques.
3. 03 Apply fundamental laws and principles to solve problems in communication systems.
4. 04 Compare different modulation techniques for different transmission environments and conclude with the best matching technique.
5. 05 Analyse and interpret communication sysems in both time domain and frequency domain.
6. 06 Draw and analyse communication system block diagrams.

Course Syllabus

Reference Books & Course Materials

1. 01 Leon W. COUCH II, "Digital and Analog Communication Systems", 6th Edition, Prentice Hall, 2001.
2. 02 S. Haykin, "Communication Systems", 4th Edition, Prentice Hall, USA 2001.
3. 03 G. Proakis and M. Salehi, "Communication Systems Engineering", McGraw-Hill, USA 2002.
4. 04 B. P. Lathi, "Modern Digital and Analog Communication Systems", 3rd Edition, Oxford Univ. Press, USA 1998.

Learning Outcomes

1. L01 Analyze signals in both Time Domain and Frequency Domain. SOLO 4
2. L02 Design an Analog to Digital Converter System to obtain specific signal properties. SOLO 4
3. L03 Evaluate Line Codes and apply to digital signals. SOLO 4
4. L04 Design Communication Systems using Analog and Digital Signaling Techniques. SOLO 4
5. L05 Analyse and implement communication sysems in both time domain and frequency domain. SOLO 4

Program Outcomes

1. P01 Should have sufficient knowledge in mathematics, science, and subjects specific to the relevant engineering discipline.
2. P02 Should have the ability to use theoretical and applied knowledge in mathematics, science, and related engineering disciplines in complex engineering problems.
3. P03 Should have the ability to detect, define, formulate, and solve complex engineering problems.
4. P04 Should have the ability to select and apply appropriate analysis and modeling methods to solve complex engineering problems.
5. P05 Should have the ability to design a complex system, process, device, or product to meet specific requirements under realistic constraints and conditions.
6. P06 Should have the ability to apply modern design methods.
7. P07 Should have the ability to develop, select, and use modern techniques and tools necessary for the analysis and solution of complex problems encountered in engineering applications.
8. P08 Should have the ability to use information technologies effectively.
9. P09 Should have the ability to design experiments, for the study of complex problems or discipline-specific research topics.
10. P10 Should have the ability to conduct experiments, collect data, analyze and interpret results for the study of complex problems or discipline-specific research topics.
11. P11 Should have the ability to work in intradisciplinary teams.
12. P12 Should have the ability to work in interdisciplinary teams.
13. P13 Should have the skills to work individually.
14. P14 Should have the ability to communicate effectively verbally and in writing.
15. P15 Should have the knowledge of at least one foreign language.
16. P16 Should be able to write effective reports, understand written reports, and prepare design and production reports.
17. P17 Should have the ability to make effective presentations.
18. P18 Should have the ability to give and have clear and understandable instructions.
19. P19 Should gain consciousness (awareness) about the necessity of lifelong learning.
20. P20 Should have the ability to access information.
21. P21 Should have the ability to follow developments in science and technology and constantly renew himself/herself.
22. P22 Should gain the awareness of professional and ethical responsibility and should act in accordance with ethical principles.
23. P23 Should gain knowledge about the standards used in engineering applications.
24. P24 Should gain knowledge about project management, risk management, and change management practices in business life.
25. P25 Should gain awareness about entrepreneurship, and innovation.
26. P26 Should gain knowledge about development in sustainability.
27. P27 Should gain knowledge about the effects of engineering practices on health, environment, and security at universal and social dimensions and the problems of the age reflected in the field of engineering.
28. P28 Awareness should be gained about the legal consequences of engineering solutions.

Po-Lo Matrix