CU9254 DIGITAL COMMUNICATION RECEIVERS

CU9254 DIGITAL COMMUNICATION RECEIVERS

UNIT I REVIEW OF DIGITAL COMMUNICATION TECHNIQUES

Base band and band pass communication; signal space representation, linear and
nonlinear modulation techniques, and Spectral characteristics of digital modulation

UNIT II OPTIMUM RECEIVERS FOR AWGN CHANNEL

Correlation demodulator, matched filter , maximum likelihood sequence detector,
optimum receiver for CPM signals, M-ary orthogonal signals, envelope detectors for
M-ary and correlated binary signals

UNIT III RECEIVERS FOR FADING CHANNELS

Characterization of fading multiple channels, statistical models, slow fading, frequency
selective fading,, diversity technique, RAKE demodulator, coded waveform for fading
channel

UNIT IV SYNCHRONIZATION TECHNIQUES

Carrier and signal synchronization, carrier phase estimation-PLL, Decision directed
loops, symbol timing estimation, maximum likelihood and non-decision directed timing
estimation, joint estimation

UNIT V ADAPTIVE EQUALIZATION

Zero forcing algorithm, LMS algorithm, adaptive decision-feedback equalizer and
Equalization of Trellis-coded signals. Kalman algorithm, blind equalizers and stochastic
gradient algorithm.


REFERENCES:

1. Heinrich Meyer, Mare Moeneclacy, Stefan.A.Fechtel, " Digital communication
receivers ",Vol I & Vol II, John Wiley, New York, 1997.
2. John.G.Proakis, “Digital communication “4th Edition, McGraw-Hill, New York, 2001.
3. E.A.Lee and D.G. Messerschmitt, “Digital communication ", 2nd Edition, Allied
Publishers, New Delhi, 1994.
4. Simon Marvin, “Digital communication over fading channel; An unified approach to
performance Analysis ", John Wiley, New York, 2000.