Understand the application of linear system theory to the implementation of analog communication systems.
Produced system-level designs for modulators and demodulators for AM-Large Carrier, DSB (double sideband), 2-channel multiplexed DSB, SSB (single sideband), and FM (frequency modulation).
Understand the design tradeoffs for the aforementioned modulation schemes with respect to bandwidth and noise immunity.
Communication Systems I
E C E 436
( 3 Credits )
Amplitude, frequency, pulse, and pulse-code modulation. Narrow-band noise representation and signal-to-noise ratios for various modulation schemes. Pulse shaping, timing recovery, carrier synchronization, and equalization. Sampling, quantization and coding.
Department: ELECTRICAL AND COMPUTER ENGR College: College of Engineering
Communication Systems Engineering; Proakis and Salehi; 2nd; 2002
Required / Elective / Selected Elective
ABET Program Outcomes Associated with this Course
Program Specific Student Outcomes
Brief List of Topics to be Covered
Linear system theory, continuous and discrete time, in both the time and frequency domain, with emphasis of the Fourier transform in both continuous and discrete time and the properties of the Fourier transform.
The analytic signal as a complex-valued signal with a 1-sided Fourier transform.
The Sampling Theorem, with application of sampling to demodulation.
The narrowband representation of signals as a generalization of the phasor representation of the AC-steady state from circuit theory, relation of the narrowband representation to the analytic signal.
Modulation and demodulation of AM-large carrier, DSP, 2-channel multiplexed DSB, SSB, and FM.
Spectrum of FM signals, FM deviation, modulation index, and approximations applicable to narrowband and wideband FM.
Properties of noise in linear systems.
Noise performance of AM, DSB, and SSB.
Noise performance of FM, SNR (signal-to-noise) improvement resulting from increased frequency deviation, FM threshold.
Design tradeoffs in PLL (phase-locked loop) FM demodulation.