ANALOG AND DIGITAL COMMUNICATION WITH SAMPLE QUESTION PAPERS: ANALOG AND DIGITAL COMMUNICATION

ANALOG AND DIGITAL COMMUNICATION

OBJECTIVES:
The student should be made to:
 Understand analog and digital communication techniques.
 Learn data and pulse communication techniques.
 Be familiarized with source and Error control coding.
 Gain knowledge on multi-user radio communication.
UNIT I ANALOG COMMUNICATION 9
Noise: Source of Noise - External Noise- Internal Noise- Noise Calculation. Introduction to
Communication Systems: Modulation – Types - Need for Modulation. Theory of Amplitude
Modulation - Evolution and Description of SSB Techniques - Theory of Frequency and Phase
Modulation – Comparison of various Analog Communication System (AM – FM – PM).
UNIT II DIGITAL COMMUNICATION 9
Amplitude Shift Keying (ASK) – Frequency Shift Keying (FSK) Minimum Shift Keying
(MSK) –Phase Shift Keying (PSK) – BPSK – QPSK – 8 PSK – 16 PSK - Quadrature
Amplitude Modulation (QAM) – 8 QAM – 16 QAM – Bandwidth Efficiency– Comparison
of various Digital Communication System (ASK – FSK – PSK – QAM).
UNIT III DATA AND PULSE COMMUNICATION 9
Data Communication: History of Data Communication - Standards Organizations for Data
Communication- Data Communication Circuits - Data Communication Codes - Error
Detection and Correction Techniques - Data communication Hardware - serial and parallel
interfaces.
Pulse Communication: Pulse Amplitude Modulation (PAM) – Pulse Time Modulation
(PTM) – Pulse code Modulation (PCM) - Comparison of various Pulse Communication
System (PAM – PTM – PCM).
UNIT IV SOURCE AND ERROR CONTROL CODING 9
Entropy, Source encoding theorem, Shannon fano coding, Huffman coding, mutual
information, channel capacity, channel coding theorem, Error Control Coding, linear block
codes, cyclic codes, convolution codes, Viterbi decoding algorithm.
UNIT V MULTI-USER RADIO COMMUNICATION 9
Advanced Mobile Phone System (AMPS) - Global System for Mobile Communications
(GSM) Code division multiple access (CDMA) – Cellular Concept and Frequency Reuse -
Channel Assignment and Hand - Overview of Multiple Access Schemes - Satellite
Communication - Bluetooth.