# Communication Theory

 Course Code : ULZ0207 Author : uLektz University : General for All University Regulation : 2017 Categories : Electronics & Communication Format : ePUB3 (DRM Protected) Type : eBook

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Description :Communication Theory of ULZ0207 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT I AMPLITUDE MODULATION

1.1 Generation and detection of AM wave-spectra

1.2 DSBSC

1.3 Hilbert Transform, Pre-envelope & complex envelope

1.4 SSB and VSB –comparison

###### UNIT II ANGLE MODULATION

2.1 Phase and frequency modulation

2.2 Narrow Band and Wide band FM

2.3 FM Discriminator- PLL as FM Demodulator

2.4 Transmission bandwidth.

###### UNIT III RANDOM PROCESS

3.1 Random variables

3.2 Central limit Theorem

3.3 Random Process

3.4 Stationary Processes

3.5 Mean, Correlation & Covariance functions,Power Spectral Density

3.6 Ergodic Processes

3.7 Gaussian Process

3.8 Transmission of a Random Process Through a LTI filter

###### UNIT IV NOISE CHARACTERIZATION

4.1 Noise sources and types

4.2 Noise figure and noise temperature - Noise in cascaded systems

4.3 Narrow band noise

4.4 PSD of in-phase and quadrature noise - Noise performance in AM systems – Noise performance in FM systems

4.5 Noise performance in AM systems

4.6 Pre-emphasis and de-emphasis

4.7 Capture effect, threshold effect

###### UNIT V INFORMATION THEORY

5.1 Entropy

5.2 Discrete Memory less channels -Channel Capacity

5.3 Hartley Shannon law

5.4 Source coding theorem

5.5 Huffman coding

5.6 Shannon Fannon codes