MA2261 - COMMUNICATION THEORY |
UNIT IAMPLITUDE 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. |
UNIT II ANGLE MODULATION SYSTEMS |
Phase and Frequency Modulation; Single tone, Narrow Band and Wideband FM;
Transmission Bandwidth; Generation and Demodulation of FM Signal. |
UNIT IIINOISE 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. |
UNIT IVPERFORMANCE 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. |
UNIT VINFORMATION 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. |
Text Book |
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. |
References |
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.. |
|