TEK5110/List of Questions

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Questions related to TEK5110 Building Mobile and Wireless Networks

Radio communications (related to A1)

  • What two functions are performed by antenna?
  • What is isotropic antenna?
  • What factors determine antenna gain?
  • What is meant by radiation pattern?
  • What is polarisation ? What are its types?
  • What is the relation between frequency and wavelength?
  • What is fading? What are the differences between fast and slow fading, and what causes the effects?
  • Describe the disturbances of a radio wave due to attenuation, reflection, diffraction, scattering, and fading. What are these effects? Explain using practical examples from mobile communication environments.
  • How is diffraction and NLOS used for radio communications?
  • What is an impuls response in mobile communications? Which are the two factors describing it?
  • What is the difference between rural communications and urban communications?


Digital Communication and Communication Systems AA2

  • What are the core characteristics of mobile communications (1G-5G)?
  • Looking into range, how to we classify wireless systems? Give examples.
  • What is the propagation equation? How does real world propagation change the propagation equation?

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