Communication Theory
Course Code: EEE 311
Credit Hour: 3
Course Group: Core Courses
Overview of communication systems: Basic principles, fundamental elements, system limitations, message source, bandwidth requirements, transmission media types, bandwidth and transmission capacity. Noise: Source, characteristics of various types of noise and signal to noise ratio. Information theory: Measure of information, source encoding, error free communication over a noisy channel, channel capacity of a continuous system and channel capacity of a discrete memory less system.Continuous wave modulation:base-band transmission, carrier transmission; amplitude modulation, introduction, double side band, single side band, vestigial side band, quadrate; spectral analysis of each type, envelope and synchronous detection; angle modulation- instantaneous frequency, frequency modulation (FM) and phase modulation (PM), spectral analysis, demodulation of FM and PM. Pulse modulation: Sampling- sampling, theorem, Nyquist criterion, aliasing, instantaneous and natural sampling; pulse amplitude modulation- principle, bandwidth requirements; pulse code modulation (PCM)– quantization principle, quantization noise, non- uniform quantization, signal to quantization error ratio, differential PCM, demodulation of PCM; delta modulation (DM)- principle, adaptive DM; line coding- formats and bandwidths. Digital modulation:Amplitude-shift keying- principle, ON-OFF keying, bandwidth requirements, detection, noise performance; phase-shift keying (PSK)- principle, bandwidth requirements, detection, differential PSK, quadrature PSK, noise performance; frequency-shift Keying (FSK) -principle, continuous and discontinuous phase FSK, minimum-shift keying, bandwidth requirements, detection of PSK. Multiplexing: Time-division multiplexing (TDM)- principle, receiver synchronization, frame synchronization, TDM of multiple bit rate systems; frequency-division multiplexing- principle, de-multiplexing; wavelength-division multiplexing, multiple-access network - time-division multiple-access, frequency-division multiple-access; code-division multiple- access (CDMA)- spread spectrum multiplexing, coding techniques and constraints of CDMA. Communication system design:design parameters, channel selection criteria and performance simulation.
Reference Books:
- B P Lathi: Modern Digital and Analog Communication Systems
- Simon Haykin: Communication Systems
- G Kennedy: Electronic Communication Systems