Digital & Data Communication
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Follow on Instagram for UpdatesDigital & Data Communication Syllabus — Unit-wise Content
The official GTU curriculum for Digital & Data Communication (subject code DI04000131) as prescribed for Marine · Semester 4 divides the course into 5 units, covering 55 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04000131)Unit 1 Introduction to Digital and data communication System
- Elements of Digital Communication system with its Block diagram: Source
- Repeater. 1.2.Communication channel characteristics: bit rate
- baud rate
- Repeater distance 1.3.Communication channel types: telephone channels co-axial channels
- optical fiber cables
- wireless broadcast channel
- satellite channel 1.4.Multiplexing – Need and methods of multiplexing: Time Division Multiplexing (TDM)
- Frequency Division Multiplexing (FDM)
- Code division multiplexing (CDM) block diagram and their comparison 1.5.Fundamental limitation of digital communication system- Nosie
- bandwidth and equipment 1.6.Advantages and disadvantages of digital communication System
Unit 2 Digital Modulation Techniques
- 2.1.Amplitude Shift Keying (ASK) – Generation
- constellation diagram
- advantages and disadvantages 2.2.Frequency Shift Keying (FSK) – Generation
- advantages and disadvantages 2.3.Phase Shift Keying (PSK) –Generation
- advantages and disadvantages 2.4.Quadrature Phase Shift Keying (QPSK)- Generation
- advantages and disadvantages 2.5.Comparison of ASK, FSK, PSK and QPSK 2.6.Quadrature Amplitude Modulation (QAM) - Principle
- advantages and disadvantages
Unit 3 Information Theory and Coding
- 3.1.Basic definition of probability
- properties of probability
- conditional probabilities
- probability of statistically independent events 3.2
- Entropy and Information 3.3
- Mutual Information 3.4.Channel Capacity Program Name: Diploma Engineering Level: Diploma Branch: Electronics & Communication / Information & Communication Technology Subject Code : DI04000131 Subject Name : Digital & Data Communication w.e.f 2025-26 http://syllabus.gtu.ac.in/ Page 3 of 8 3.5.Source coding techniques- need of source coding techniques
- Huffman Code
- Shannon - Fano code 3.6.Channel coding: introduction to Error in communication
- causes and its effect of error
- error detection & correction techniques: parity check
- Hamming Code
- Cyclic Redundancy Check (CRC). 3.7
- Line Coding Techniques- properties of Line code
- selection criteria of line codes
- classification of line codes- Unipolar RZ and NRZ, Polar RZ and NRZ, Bipolar NRZ(AMI)
Unit 4 Data Communication
- techniques and standards 4.1
- Data Communication: Characteristics and Components of Data Communication 4.2.Data transmission mode: simplex
- half duplex
- full duplex 4.3
- Data transmission techniques: I
- Serial data communication: synchronous and asynchronous II
- Parallel data communication 4.4.Switching techniques: circuit switching
- message switching and packet switching. 4.5.Data representation: Audio
- text data Sensor data and streaming data formats 4.6.Multimedia Communications: Multimedia Communication Model
- important Elements of Multimedia Systems 4.7
- Multimedia processing for communication: digital media
- signal processing elements
- digital audio file formats
- digital image file formats
- digital video file formats
- compression standards MP3, AAC, JPEG
- streaming codes. 4.8.Modern communication standards -Ethernet standards
- Wi-fi standards
- Bluetooth standards
- 4.9.Communication ports-USB
- HDMI, RCA, 3.5mm audio and Ethernet
Unit 5 Emerging trend in Data communication
- 5.1.Edge Computing 5.2.Block chain in Communication Security 5.3.Ethical and Privacy Considerations in Data Communication 5.4.AI-driven Networks: Intelligent traffic management
- self- optimizing and self-healing communication systems 5.5.Green Communication: Energy-efficient networking and sustainable infrastructure
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