Wireless communications (langaton tietoliikenne) Course contents

  • General
    • History of wireless communications
    • History of wireless terminals
    • Future trends on wireless communications
    • Wireless standardisation forums
    • Current wireless technologies
    • Technologies and user
    • Wireless network types
  • Basics of communication
    • Electromagnetic signals
    • Nyquist Theorem
    • Signal/noise ratio
    • Shannon Theorem
    • Signal strength
  • Signal propagation
    • Antenna types
    • Radiation patterns
    • Antenna gain
    • basic propagation models (ground wave, sky wave and line of sight (LoS) propagation)
    • optical vs radio LoS
    • attenuation (free space)
    • Noise (thermal, intermodulation, crosstaal, impulse noise)
    • Atmospheric absorption
    • Multipath propagation
    • refraction, reflection, diffraktion and scattering
    • fading (fast, slow, flat, selective, rayleigh, rician,
  • Propagation models
    • Environments (indoor, outdoor to indoor, vehicular)
    • outisde (Lee, Okumura, Hata, COST231-Hata, COST231-Walfish-Ikegami)
    • inside (One-slope, multiwall, linear attenuation)
  • Radio interference
    • Co-channel, adjacent-channel, intermodulation, near-end-tofar-end, intersymbol, simulcast)
    • Local scatterers
    • Frequence planning
  • Modulation
    • Amplitude modulation (ASK)
    • Frequency modulation (BFSK,MFSK)
    • Phase modulation (PSK,QPSK,OQPSK,MPSK,MSK)
    • Combination of modulation technologies (QAM)
    • Spread spectrum technologies (DSSS, FHSS)
    • Pseudorandon numbers
  • MAC-layer
    • Multiplexing (SDM,FDM,TDM,CDM)
    • SDMA,TDMA,CDMA,FDMA
    • Comparison of access technolgoies
  • Wireless LAN
  • GSM→3G
  • Bluetooth
Last modified: 2013/07/01 14:42