EC2252-COMMUNICATION THEORY |
AMPLITUDE MODULATION SYSTEMS |
Review of Spectral Characteristics of Periodic and Non-periodic signals; Generation and Demodulation of AM, DSBSC, SSB and VSB Signals; Comparison of Amplitude Modulation Systems; Frequency Translation; FDM; Non – Linear Distortion. |
ANGLE MODULATION SYSTEMS |
Phase and Frequency Modulation; Single tone, Narrow Band and Wideband FM; Transmission Bandwidth; Generation and Demodulation of FM Signal. |
NOISE THEORY |
Review of Probability, Random Variables and Random Process; Guassian Process; Noise – Shot noise, Thermal noise and white noise; Narrow band noise, Noise temperature; Noise Figure. |
PERFORMANCE OF CW MODULATION SYSTEMS |
Superheterodyne Radio receiver and its characteristic; SNR; Noise in DSBSC systems using coherent detection; Noise in AM system using envelope detection and its FM system; FM threshold effect; Pre-emphasis and De-emphasis in FM; Comparison of performances. |
INFORMATION THEORY |
Discrete Messages and Information Content, Concept of Amount of Information, Average information, Entropy, Information rate, Source coding to increase average information per bit, Shannon-Fano coding, Huffman coding, Lempel-Ziv (LZ) coding, Shannon’s Theorem, Channel Capacity, Bandwidth- S/N trade-off, Mutual information and channel capacity, rate distortion theory, Lossy Source coding. |
REFERENCE |
Text Books |
1. Dennis Roddy & John Coolen - Electronic Communication (IV Ed.), Prentice Hall of India.
2. Herbert Taub & Donald L Schilling – Principles of Communication Systems ( 3rd Edition ) – Tata McGraw Hill, 2008. |
Reference Books |
1.Simon Haykin, Communication Systems, John Wiley & sons, NY, 4th Edition, 2001.
2.Bruce Carlson - Communication Systems. (III Ed.), Mc Graw Hill.
3.B.P.Lathi, Modern Digital and Analog Communication Systems, Third Edition, Oxfod Press,2007.
4.R.P Singh and S.D.Sapre, “Communication Systems – Analog and Digital”, Tata McGraw Hill, 2nd Edition, 2007.
5.John G. Proakis, Masoud Salehi, Fundamentals of Communication Systems, Pearson Education, 2006. |
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