About Me

header ads

PRINCIPLES OF COMMUNICATION SYSTEMS (BEC402)

PRINCIPLES OF COMMUNICATION SYSTEMS

Course Code BEC402 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:2:0 
SEE Marks 50
Total Hours of Pedagogy 40 hours Theory + 8-10 Lab slots 
Total Marks 100
Credits 04 
Exam Hours 03
Examination nature (SEE) Theory/practical




MODULE-1

Random Variables and Processes: Introduction, Probability, Conditional Probability, Random variables.

Statistical Averages: Function of a random variable, Moments, Random Processes, Mean, Correlation and

Covariance function: Properties of autocorrelation function, Cross–correlation functions, Gaussian Process:

Gaussian Distribution Function.

[Text 2: 5.1, 5.2,5.3,5.4,5.5,5.6,5.9]

RBT: L1, L2




MODULE-2

Amplitude Modulation Fundamentals: AM Concepts, Modulation index and Percentage of Modulation,

Sidebands and the frequency domain, AM Power, Single Sideband Modulation.

AM Circuits: Amplitude Modulators: Diode Modulator, Transistor Modulator, collector Modulator. Amplitude

Demodulators: Diode Detector, Balanced Modulators: Lattice Modulators.

Frequency Division Multiplexing: Transmitter-Multiplexer, Receiver-Demultiplexer.

[Text1: 3.1, 3.2,3.3,3.4,3.5,4.2,4.3,4.4,10.2]

RBT: L1, L2, L3




MODULE-3

Fundamentals of Frequency Modulation: Basic Principles of Frequency Modulation, Principles of Phase

Modulation, Modulation index and sidebands, Noise Suppression Effects of FM, Frequency Modulation versus

Amplitude Modulation.

FM Circuits: Frequency Modulators: Voltage Controlled Oscillators. , Frequency Demodulators: Slope Detectors,

Phase Locked Loops.

Communication Receiver: Super heterodyne receiver, Frequency Conversion: Mixing Principles, JFET Mixer.

[Text1: 5.1,5.2,5.3,5.4,5.5,6.1,6.3,9.2,9.3]

RBT: L1, L2, L3




MODULE-4

Digital Representation of Analog Signals: Introduction, Why Digitize Analog Sources?, The Sampling process,

Pulse Amplitude Modulation, Time-Division Multiplexing, Pulse Position Modulation: Generation and Detection

of PPM wave. The Quantization Process. Pulse Code Modulation: Sampling, Quantization, Encoding, line Codes,

Differential encoding, Regeneration, Decoding, filtering, multiplexing.

[Text2: 7.1,7.2,7.3,7.4,7.5,7.6,7.8,7.9]

RBT: L1,L2,L3




MODULE-5

Baseband Transmission of Digital signals: Introduction, Intersymbol Interference, Eye Pattern, Nyquist

criterion for distortionless Transmission, Baseband M-ary PAM Transmission.

[Text2:8.1,8.4,8.5,8.6,8.7]

Noise: Signal to Noise Ratio, External Noise, Internal Noise, Semiconductor Noise, Expressing Noise Levels, Noise

in Cascade Stages.

[Text1:9.5]

RBT:L1,L2,L3




PRACTICAL COMPONENT OF IPCC (Experiments can be conducted using MATLAB/SCILAB/OCTAVE)

Experiments

1 Basic Signals and Signal Graphing: a) unit Step, b) Rectangular, c) standard triangle d) sinusoidal and     e)Exponential signal.

2 Illustration of signal representation in time and frequency domains for a rectangular pulse.

3 Amplitude Modulation and demodulation: Generation and display the relevant signals and its spectrums.

4Frequency Modulation and demodulation: Generation and display the relevant signals and its spectrums.

5Sampling and reconstruction of low pass signals. Display the signals and its spectrum.

6Time Division Multiplexing and demultiplexing.

7PCM Illustration: Sampling, Quantization and Encoding

8Generate a)NRZ, RZ and Raised cosine pulse, b) Generate and plot eye diagram

9Generate the Probability density function of Gaussian distribution function.

10 Display the signal and its spectrum of an audio signal.




Suggested Learning Resources:

Books

1. Louis E Frenzel, Principles of Electronic Communication Systems, 3rd Edition, Mc Graw Hill Education

(India) Private Limited, 2016. ISBN: 978-0-07-066755-6.

2. Simon Haykin & Michael Moher, Communication Systems, 5th Edition, John Wiley, India Pvt. Ltd, 2010, ISBN:

978-81-265-2151-7.




Reference Books

1. B P Lathi, Zhi Ding, “Modern Digital and Analog Communication Systems”, Oxford University Press., 4th

edition, 2010, ISBN: 97801980738002.

2. Herbert Taub, Donald L Schilling, Goutam Saha, “Principles of Communication systems”, 4th Edition, Mc

Graw Hill Education (India) Private Limited, 2016. ISBN: 978-1-25-902985-1



Web links and Video Lectures (e-Resources):

1. Principles of Communication Systems https://nptel.ac.in/courses/108104091

2. Communication Engineering https://nptel.ac.in/courses/117102059

Post a Comment

0 Comments