EE622: Topics

  • Mathematical basics

    • Gaussian random variables

    • Gaussian random processes

      • Specification, correlation function, stationarity and power spectra

  • Optimum receiver principles

    • Optimum receiver design for AWGN channels

    • Vector channels - decisions regions

    • Waveform channels - waveform synthesis, geometric interpretation of signals, irrelevant data

    • Receiver implementation - correlation and matched filter receiver

    • Probability of error - rectangular and orthogonal signal sets

      • Concept of union bound

  • Signal space representation

    • Gram-Schmidt orthogonalization

  • Efficient signaling for message sequences

    • Bit-by-bit signaling

    • Block orthogonal signaling

    • Probability of error comparison

  • Modeling of real bandpass and equivalent complex baseband signals

  • Power spectral density (PSD) of different modulation schemes

    • Transmit signal design for desired PSD

    • Necessary condition for symbol clock recovery

  • Asynchronous digital communication systems

    • Random amplitude and phase

    • Receiver design and error performance

  • Carrier frequency and phase estimation

  • Digital transmission over bandlimited channels

    • Nyquist criteria for zero ISI and pulse shaping

      • Rectangular and raised cosine pulses

    • Partial response signalling

      • Duo-binary case

  • Practical digital transceiver design

    • Elements of noise figure, link budget margin and receiver sensitivity

    • Transceiver architectures - Heterodyne, homodyne and digital-IF

    • Case study - Phillips’ GSM transceiver