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Information Communication Technology
Paper Code:
PHY-602
Credits:
3
Contact Hours:
45.00
Max. Marks:
100.00
Objective:
Information Communications Technology - or technologies (ICT) is an umbrella term that includes all technologies for the communication of information. This course gives a brief idea of the technology of wireless communication and networks. The objective of this course is to provide a comprehensive technical survey of wireless communication, fundamentals, wireless networks and wireless applications
9.00
Unit I:
Introduction and Transmission Fundamentals:
Introduction: Wireless comes of age, The Cellular revolution, The global Cellular network, Broadband, Future trends.
Transmission Fundamentals: Signals for conveying information: Time domain concepts, Frequency domain concepts, Relationship between data rate and bandwidth.
Analog and Digital data transmission: Analog and digital data, analog and digital signaling, Analog and digital transmission.
Channel Capacity: Nyquist bandwidth, Shannon capacity formula.
Transmission Media: Terrestrial microwaves, Satellite microwaves, Broadcast radio, Infrared.
9.00
Unit II:
Cellular Wireless Networks:
Principles of Cellular networks: Cellular network organization, operation of cellular systems, mobile radio propagation effects, power control; First generation analog : spectral allocation, operation, AMPS control channels.
Second generation TDMA: Time division multiple access, Mobile wireless TDMA design considerations, Global system for mobile communications, GSM network architecture.
Second generation CDMA: CDMA, Mobile wireless CDMA design considerations. Introduction to third generation systems.
9.00
Unit III:
Satellite Communication:
Satellite parameters and configurations: Satellite Orbits, GEO, LEO, MEO satellites, frequency bands, transmission impairments, satellite network configurations, Capacity allocation – Frequency division : Frequency division multiplexing, Frequency division multiple access(FAMA,DAMA); Capacity Allocation-Time division
9.00
Unit IV:
Antennas and Propagation:
Antennas: Radiation patterns, Antenna types, Antenna Gain.
Propagation Modes: Ground Wave propagation, Sky Wave propagation, Line of Sight propagation.
Line of Sight Transmission: Attenuation, Free Space loss, Noise, The expression Eb / N0, Atmospheric absorption, Multipath, Refraction.
Fading in the Mobile Environment: Multipath propagation, Error compensation Mechanisms.
9.00
Unit V:
Optical Fibres:
Total internal reflection, Optical fibre, Coherent bundle, Classification of optical fibres, Advantages of optical fibres, Types of rays, Modes of propagation of optical fibres, Dispersion-inter model dispersion: for multimode step index fibre and for graded index multimode fibre, Losses in optical fibre, Fibre cable, Optical fibre communication system, Optical fibre cable construction, Applications of optical fibre.
Essential Readings:
1. “Wireless Communication and Networks”, William Stallings, Prentice Hall of India,2005.
2. “Modern Physics”, S.L. Kakani, Shubhra Kakani , Viva Books private Ltd.,2007
References:
1. “Electronic communication systems”, George Kennedy, Mc Graw Hill, 3rd edition 1985.
2. “Principles of communications – Systems, Modulation and Noise”, R.E. Ziemer and W.H. Tranter, Jaico Publishing House 1996.
3. “Wireless Communication”, Reppaport, Pearson Education
4. “Digital Satellite Communications”, Tri, Tata Mc Graw Hill International
5. “Mobile Cellular Telecommunications”, William C.Y. Lee, Mc Graw Hill International Edition.
6. “Satellite Communication System”, M. Richharia, Mac Millan.
7. “Introduction to Optical Fiber”, Allen H Cherin, Mc Graw Hill.
8. Principles of communication systems”, Taub. Schilling ,Mc. Graw Hill 2nd edition 1986.
Academic Year:
