Society today is firmly rooted in communication systems, and it is hard to imagine life without them.Global systems such as TV, radio, the Internet and wired and mobile telephones have a fundamental impact on the way we live and work.
Communication Major Courses:
- Satellite Communication
- Digital Communication
- Microwave Engineering
- Mobile Cellular Telecommunication
- Optical Fiber Communication
- Computer Networking
Introduction: Communication channels, mathematical model and characteristics. Probability and stochastic processes.
Source coding: Mathematical models of infort nation, entropy, Huffman code and linear predictive coding.
Digital transmission system: Baseband digital transmission, inter-symbol interference, bandwidth, power efficiency, modulation and coding trade off. Receiver for AWGN channels: Correlation demodulator, matched filter demodulator and maximum likelihood receiver. Channel capacity and coding: Channel models and capacities and random selection of codes.
Block codes and conventional codes: Linear block codes, convolution codes and coded modulation. Spread spectrum signals and system.
Transmission lines: Voltage and current in ideal transmission lines, reflection, transmission, standing wave, impedance transformation, Smith chart, impedance matching and lossy transmission lines.
Waveguides: general formulation, modes of propagation and losses in parallel plate, rectangular and circular waveguides.
Microstrips: Structures and characteristics. Rectangular resonant cavities: Energy storage, losses and Q.
Radiation: Small current element, radiation resistance, radiation pattern and properties, Hertzian and halfwave dipoles.
Antennas: Mono pole, horn, rhombic and parabolic reflector, array, and Yagi Uda antenna.
Introduction: Concept, evolution and fundamentals, Analog and digital cellular systems.
Cellular Radio System: Frequency reuse, co channel interference, cell splitting and components.
Mobile radio propagation: Propagation characteristics, models for radio propagation, antenna at cell site and mobile antenna.
Frequency Management and Channel Assignment: Fundamentals, spectrum utilization, fundamentals of channel assig~ment, fixed channel assignment, non fixed channel assignment, traffic and channel assignment.
Handoffs and Dropped Calls: Reasons and types, forced handoffs, mobile assisted handoffs and dropped call rate.
Diversity Techniques: Concept of diversity branch and signal paths, carrier to noise and carrier to interference ratio perfon nance.
Digital cellular systems: Global system for mobile, time division multiple access and code division multiple access.
Introduction: Light propagation through optical fiber, Ray optics theory and mode theory.
Optical fiber: Types and characteristics, transmission characteristics, fiber joints and fiber couplers.
Light sources: Light emitting diodes and laser diodes. Detectors: PIN photodetector and avalanche photo detectors.
Receiver analysis: Direct detection and coherent detection, noise and limitations. Transmission limitations— Chromatic dispersion, nonlinear refraction, four wave mixing and laser phase noises.
Optical amplifier: Laser .and fiber amplifiers, applications and limitations. Multi channel optical system: Frequency division multiplexing, wavelength division multiplexing and co channel interference.