1. Digital Communication System :
Digital multiplexing, Line coding, PSD of ON/OFF signal, polar signal, Bipolar signal, Pulse shaping, Nyquist's first & second criterion for zero ISI, The regenerative repeaters, Detection error probability, M'ary systems, Digital carrier systems, PCM & Delta modulation, Adaptive delta modulation, SNR calculation.
2. Communication systems in the presence of Noise :
Digital Systems - Optimum threshold detection binary case, Suboptimum filters, Optimum binary receiver, On-off signaling, carrier systems ASK,
FSK, PSK & DPSK, Coherent & Non-Coherent detection, M-ary communication, Multiphase Signaling,
QAM, MFSK, synchronization.
3. Optimum Signal Detection :
Geometrical representation of signals, The Gaussian Random Process , Optimum Receiver, The Decision procedure, Decision regions & Error Probability, General expression for error probability, Bandwidth of M-ary signals, Equivalent signal sets.
4. Information Theory :
Measure of information, Source encoding, error free communication over a noisy channel, Shannon's Theorem, The channel capacity of a discrete memoriless channel, Optimum system, Comparison of noise performance of AM, FM, PCM and ideal systems, Orthogonal signaling.
5. Error Correcting Codes :
Introduction, Linear block codes, cyclic codes, Burst-error detecting & correcting codes, Interlaced codes for burst & random error correction, convolutional codes, comparison of coded and uncoded systems.
* Use of orthogonal signals to attain Shannon's limit.
* Books :
1. Modern Digital & Analog Communication Systems by B.P.Lathi (Cbs Publication).
2. Digital Communication by John G. Proakis (McGraw Hill)
3. Communication Systems by Simon hykin (Wiley Eastern)
