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EX-604 (C) · Analog & Digital Communication/Official Syllabus

Analog & Digital Communication (EX-604 (C)) - Official Syllabus

1
Unit 1

Time domain and frequency domain representation of signal

  • Fourier Transform and its properties
  • Transform of Gate, Periodic gate, Impulse periodic impulse sine and cosine wave
  • Concept of energy density and power density (Parseval's theorem)
  • Power density of periodic gate and impulse function
  • impulse response of a system, convolutions, convolution with impulse function
  • causal and non causal system impulse response of ideal low pass filter
  • Correlation & Auto correlation
2
Unit 2

Base band signal, need of modulation

  • Amplitude modulation, Equation and its frequency domain representation, Bandwidth, Power distribution
  • AM suppressed carrier waveform equation and frequency domain representation Generation (Balance/Chopper modulator) and synchronous detection technique
  • errors in synchronous detection
  • Introduction to SSB and VSB Transmission
  • Angle modulation, Frequency and phase modulation equation and their relative phase and frequency deviations
  • modulation index frequency spectrum, NBFM and WBFM
  • Bandwidth comparison of modulation techniques
3
Unit 3

Sampling of signal

  • sampling theorem for low pass and Band pass signal
  • Pulse amplitude modulation (PAM), Time division, multiplexing (TDM)
  • Channel Bandwidth for PAM-TDM signal
  • Type of sampling instantaneous, Natural and flat top, Aperture effect
  • Introduction to pulse position and pulse duration modulations
  • Digital signal, Quantization, Quantization error, Pulse code modulation, signal to noise ratio
  • Companding, Data rate and Baud rate, Bit rate, multiplexed PCM signal
  • Differential PCM (DPCM), Delta Modulation (DM) and Adaptive Delta Modulation (ADM), comparison of various systems
4
Unit 4

Digital modulations techniques

  • Generation, detection, equation and Bandwidth of amplitude shift keying (ASK)
  • Binary Phase Shift keying (BPSK)
  • Differential phase shift keying (DPSK)
  • offset and non offset quadrature phase shift keying (QPSK), M-Ary PSK
  • Binary frequency Shift Keying (BFSK), M-Ary FSK
  • Quadrature Amplitude modulation (QAM)
  • MODEM, Introduction to probability of error
5
Unit 5

Information theory and coding

  • Information, entropies (Marginal and conditional)
  • Model of a communication system, Mathematical representation of source, channel and receiver characteristics
  • Mutual information, channel capacity efficiency of noise free channel
  • Binary symmetric channel (BSC) Binary erasure channel (BEC), Repetition of signal, NM symmetric Binary channel
  • Shannon theorem, Shanon-Hartley theorem (S/N-BW trade off)
  • Source encoding code properties; Shanon, Fano and Huffman coding methods and their efficiency
  • error control coding, Minimum Hamming distance, Linear Block Code, Cyclic code and convolution codes
  • Line Encoding: Manchester coding, RZ, NRZ coding

Reference Books

  • Communication System
  • Communication System
  • Analog and digital communication(Schaum)
  • Modern Digital and analog communication system
  • Communication System
  • Electronic Communication system
  • Analog & Digital Communication System
  • Electronic Communication System
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