Syllabus of Andhra University BTech Information Technology - IT 3.1.1 - Digital Communications

Third year - First Semester

Instruction: 3 Periods & 1 Tut /week
Univ. Exam : 3 Hours

Sessional Marks: 30
Univ-Exam-Marks:70

Introduction – Computer-communications Revolution – A Communication Model – Data Communication – Data Communication Networking – Computer Communication Architecture. Data Transmission: Concepts and terminology – Analog and Digital Data Transmission – Transmission impairments

Analog to Digital Conversion: Sampling theorem, PAM, Quantization of Signals, PCM, Delta Modulation.

Digital Modulation Techniques: Introduction, BPSK, DPSK, QPSK.

Transmission Media: Guided Transmission media, Wireless Transmission Media.

Digital Data Communication Techniques: Asynchronous and Synchronous Transmission – Error Detection Techniques – Interfacing.

Multiplexing Frequency – Division Multiplexing:
Characteristics – Synchronous. Time-Division Multiplexing: Characteristics, TDM Link Control. Statistical Time-Division Multiplexing: Characteristics.

ISDN and Broadband ISDN: Introduction to switching techniques-The integrated digital network – Overview of ISDN – Broadband ISDN.– Asynchronous Transfer Mode.

Textbook:

1) Principles of Communication Systems, Taub and Schiling. TMH publications

2) Data and Computer Communications, William Stallings Prentice Hall of India, 4th Edition.

Reference:

Computer Networks, Andrew S. Tanenbaum, Prentice Hall of India, Third Edition