Topical Outline
ECE 4601: Communications Systems
School of Electrical and Computer Engineering
Georgia Institute of Technology
Fall 2003
Tentative Topical Outline
Baseband Pulse Transmission
- M-ary communication
- M-ary PAM Transmission
- Baud Rate, Bit Rate, Alphabet Size
- Nyquist Pulse Shaping
- Eye Diagrams
- Intersymbol Interference
- Minimum-Distance Receiver Design
- Matched Filter vs correlator
- The correlation receiver
Digital Passband Transmission
- In-phase and quadrature representations
- complex envelopes
- single-sideband PAM vs QAM
- complex PAM: QAM, PSK, cross, hex, etc.
- minimum-distance receiver for complex PAM
- higher-dimensional modulation: FSK
- multicarrier modulation: OFDM, DMT
Equalization
- the gradient algorithm for minimizing a function
- Linear Equalization
- Adaptive Equalization using the LMS algorithm
- Decision-Feedback Equalization
Review of Probability and Random Processes
- The Gaussian Distribution and the Q function
- Random Processes
- The autocorrelation function and the PSD
- Gaussian Random Processes
- The special properties of AWGN
Performance Analysis in AWGN
- Error Probability for Binary Signals
- Error Probability for M-ary PAM
- Error Probability for QAM
- Error Probability for arbitrary M-ary modulation
- Power Efficiency vs Bandwidth Efficiency
Spread Spectrum Modulation
- Pseudo-noise Sequences
- Direct-Sequence Spread Spectrum
- Frequency-Hopped Spread Spectrum
- Code Division Multiple Access
Error Control Coding - as time allows
- Linear Block Codes
- Convolutional Codes
- The Viterbi Algorithm
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