DIGITAL COMMUNICATION Handwritten Notes(176 pages)

The Handwritten Notes of Digital Communication (176 pages) covers all the major topics of GATE & ESE which ultimately covers the university prescribed syllabus. The handwritten notes are student centric indepth concept understandable.

Topics

1. Information Theory & Source Coding ~ Block Diagram & description of Digital
   Communication system ~ Self Information ~ Entropy & Maximum entropy and it's properties ~ Source coding ~ Huffman Coding Algorithm ~ Shannon Fano Algorithm ~ Mutual Information ~ Channel Capacity Theorem
2. ERROR CONTROL SYSTEM ~ Types of error control codes ~ BER, Error performance vs Bandwidth, Power vs BW, Data rate vs BW, Capacity vs BW ~ FEC & ARQ ~ Linear Block codes ~ Generator matrix, parity check matrix, syndrome testing, error detection & correction, encoder implementation ~ Cyclic code ~ Systematic & Non-systematic encoding & decoding ~ error detection & correction in cyclic code ~ Convolutional codes ~ Time domain approach ~ Transform domain approach ~ Graphical Representation ~ Code Tree ~ Code Trellis ~ State diagram ~ Decoding methods ~ Viterbi decoding, Maximum likelihood, sequential decoding, soft decoding
3. BANDPASS MODULATION & DEMODULATION ~ Generation, detection, signal space diagram, spectrum bandwidth efficiency, probability of error analysis of ~ ASK ~ FSK ~ PSK ~ QPSK ~ QAM ~ DPSK ~ M-ary PSK modulation ~ MSK
4. BASEBAND MODULATION & TRANSMISSION ~ Discrete PAM signals & it's power spectra ~ Inter-symbol interference ~ Nyquist criteria for zero ISI ~ Sinusoidal round-off filtering ~ Correlative coding ~ Equalizers & eye pattern
5. OPTIMUM RECEPTION OF DIGITAL SIGNAL ~ Baseband receiver ~ Probability of error ~ Optimum receiver & filter ~ Matched filter & it's probability of error ~ Coherent reception