EWSYS

Wireless Systems and Networks

EWSYS

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Assessment methods

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Bibliography

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Lecture content

Introduction

  • specificity of wireless transmission
  • elements of  wireless teleinformatic system
  • quality indicators, types of wireless systems and networks.

Wireless channel

  • radio channel characteristic and models
  • distortions and losses (multipath propagation, signal attenuation, fading, signal dispersion and Doppler effect),
  • outdoor and indoor wireless channels.

Transmission Techniques

  • transmission techniques used in wireless systems
  • digital modulation, coding, multiple access
  • spread spectrum ttransmission
  • multitone  modulation (OFDM).

WPAN networks

  • Wireless Personal Area Networks
          • Bluetooth
          • IrDA
          • UWB
          • ZigBee 
  • architecture, technical specification, signal generation and reception, applications

WLAN networks

  • Wireless Local Area Networks
      •  Wi-Fi (IEEE 802.11a/n)
      • Hiperlan systems
      • architecture, technical specification, signal generation and reception, applications
  • HomeRF solutions
  • Wi-Fi Direct technique 

WMAN networks

  • Wireless Metropolitan Area Networks
  • WiMAX (802.16) network
  •  LMDS and MMDS systems, architecture and applications.
  • architecture, technical specification, signal generation and reception, applications

 WAN systems  

  • Wide Area Networks
      • features and  components of WAN network, types of  wireless wide area systems, applications
  • Cellular networks  
  • evolution of Cellular Radio Systems (IMTS, AMPS,..)
  • GSM and IS-95 CDMA
  • 3G systems, GPRS, UMTS and HSDPA
  • LTE   and  5G.
  • Satellite systems
        • satellite system architecture,  space and ground segments
        • orbits and frequency bands
        • main applications: broadcasting systems, navigation (GPS, Galileo) and mobile communication systems (Inmarsat).

Wireless systems evolution

  • future wireless systems
  • trends in  technology and application

 


 
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