Course Title: Communication System-I
Type of Course: Compulsory, Theory
Offered to: EEE
Pre-requisite Course(s): None
Overview of communication systems: Basic principles, fundamental elements, system limitations, message source, bandwidth requirements, transmission media types, bandwidth and transmission capacity
Noise: Sources of noise, characteristics of various types of noise and signal to noise ratio.
Communication systems: Analog and digital
Continuous wave modulation: Transmission types- base-band transmission, carrier transmission; amplitude modulation- introduction, double side band, single side band, vestigial side band, quadrature; spectral analysis of each type, envelope and synchronous detection; angle modulation instantaneous frequency, frequency modulation (FM) and phase modulation (PM), spectral analysis, demodulation of FM and PM.
Sampling- sampling theorem, Nyquist criterion, aliasing, instantaneous and natural sampling, flat-topped sampling; pulse amplitude modulation- principle, bandwidth requirements; pulse code modulation (PCM)- quantization principle, quantization noise, non-uniform quantization, signal to quantization error ratio, differential PCM, demodulation of PCM; delta modulation (DM)- principle, adaptive DM; line coding- formats and bandwidths.
Digital modulation and demodulation: Amplitude-shift keying principle, ON-OFF keying, bandwidth requirements, detection, noise performance; phase-shift keying (PSK)- principle, bandwidth requirements, detection, differential PSK, quadrature PSK, noise performance; frequency-shift keying (FSK)- principle, continuous and discontinuous phase FSK, minimum-shift keying, bandwidth requirements, detection of FSK, Multilevel signaling
Multiplexing: Time-division multiplexing (TDM)- principle, receiver synchronization, frame synchronization, TDM of multiple bit rate systems; frequency-division multiplexing (FDM)- principle, demultiplexing. PDH, SONET/SDH.
Multiple-access techniques: Time-division multiple-access (TDMA), frequency-division multiple access (FDMA); code-division multiple access (CDMA) - spread spectrum multiplexing, coding techniques and constraints of CDMA.
To provide knowledge on the fundamental theories and concepts of communication so that these knowledges help students for (i) understanding the communication courses in the following semesters and post-graduate studies, (ii) pursuing research in communications, and (iii) working in communication industries
To provide theoretical foundation required for designing the building blocks of analog and digital communication systems so that those can be applied for practical system design
To build capacity of the students for signal level analysing of communication systems
Fundamental understanding of concepts of Electric and Electronic Circuits, and Linear Signal and Systems
| CO No. | CO Statement | Corresponding PO(s)* | Domains and Taxonomy level(s)** | Delivery Method(s) and Activity(-ies) | Assessment Tool(s) |
|---|---|---|---|---|---|
| CO1 | Explain the elements, environments, and impairments of communication systems | PO(a) | C2 | Lectures, Discussions | Assignment, Class test, Final exam |
| CO2 | Apply the knowledge of mathematics and analyse the transmitted and received signals of various transmission schemes in time domain as well as in frequency domain | PO(a) | C3, C4 | Lectures, Discussions | Assignment, Class test, Final exam |
| CO3 | Explain the essential concepts of various channel sharing multiplexing techniques for communication systems | PO(a) | C2 | Lectures, Discussions | Assignment, Class test, Final exam |
| CO4 | Design the parameters of communication systems so that certain requirements are satisfied | PO(a) | C6 | Lectures, Discussions | Assignment, Class test, Final exam |
* Cognitive Domain Taxonomy Levels: C1 – Knowledge, C2 – Comprehension, C3 – Application, C4 – Analysis, C5 – Synthesis, C6 – Evaluation, Affective Domain Taxonomy Levels: A1: Receive; A2: Respond; A3: Value (demonstrate); A4: Organize; A5: Characterize; Psychomotor Domain Taxonomy Levels: P1: Perception; P2: Set; P3: Guided Response; P4: Mechanism; P5: Complex Overt Response; P6: Adaptation; P7: Organization
Program Outcomes (PO): PO(a) Engineering Knowledge, PO(b) Problem Analysis, PO(c) Design/development Solution, PO(d) Investigation,
PO(e) Modern tool usage, PO(f) The Engineer and Society, PO(g) Environment and sustainability, PO(h) Ethics, PO(i) Individual work and team work,
PO(j). Communication, PO(k) Project management and finance, PO(l) Life-long Learning
* For details of program outcome (PO) statements, please see the departmental website or course curriculum
| K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | A1 | A2 | A3 | A4 | A5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 | 🗸 |
| Week | Lectures | Topic |
|---|---|---|
| 1 | 1-3 | Overview of communication systems: Basic principles, fundamental elements, system limitations, message source, bandwidth requirements, transmission media types, bandwidth and transmission capacity |
| 2 | 4-6 | Noise: Sources of noise, characteristics of various types of noise and signal to noise ratio. |
| 3-4 | 7-12 | Communication systems: Analog and digital. Continuous wave modulation: double side band, single side band, vestigial side band, quadrature; spectral analysis of each type, envelope and synchronous detection |
| 5-6 | 13-18 | Continuous wave modulation: angle modulation, frequency modulation (FM) and phase modulation (PM), spectral analysis, demodulation of FM and PM. |
| 7-9 | 19-27 | Sampling- sampling theorem, Nyquist criterion, aliasing, instantaneous and natural sampling, flat-topped sampling; pulse amplitude modulation- principle, bandwidth requirements; pulse code modulation (PCM)- quantization principle, quantization noise, non-uniform quantization, signal to quantization error ratio, differential PCM, demodulation of PCM; delta modulation (DM)- principle, adaptive DM; line coding- formats and bandwidths. |
| 10-11 | 28-33 | Digital modulation and demodulation: Amplitude-shift keying principle, ON-OFF keying, bandwidth requirements, detection, noise performance; phase-shift keying (PSK)- principle, bandwidth requirements, detection, differential PSK, quadrature PSK, noise performance; frequency-shift keying (FSK)- principle, continuous and discontinuous phase FSK, minimum-shift keying, bandwidth requirements, detection of FSK, Multilevel signaling. |
| 12 | 34-36 | Multiplexing: Time-division multiplexing (TDM) - principle, receiver synchronization, frame synchronization, TDM of multiple bit rate systems; frequency-division multiplexing (FDM) - principle, demultiplexing. PDH, SONET/SDH. |
| 13 | 37-39 | Multiple-access techniques: Time-division multiple-access (TDMA), frequency-division multiple access (FDMA); code-division multiple access (CDMA) - spread spectrum multiplexing, coding techniques and constraints of CDMA. |
Class participation will be judged by in-class evaluation; attendance will be recorded in every class.
Continuous assessment will be done in the form of class tests, assignments, in-class evaluations.
Final Examination: A comprehensive term final examination will be held at the end of the Term following the guideline of academic Council.
Class Participation 10%
Continuous Assessment 20%
Final Examination 70%
Total 100%
Modern Analog and Digital Communications, 4th edition by B P Lathi and Zhi Ding
Communication systems, 5th edition by S. Haykin and M. Moher
Digital and Analog Communication Systems – Leon W. Couch
Fundamental of Communication System – M. Fitz
Communication Systems and Techniques - M. Schwartz, W. R. Bennett, and S. Stein
Online resources or supplementary materials will be shared with the class on a need basis
Besides going through relevant topics of the textbooks, it is strongly advised that the students follow the class Lectures and discussions regularly for a thorough understanding of the topics.