Previous Year Very Short Questions of WMC (DIPLOMA electronics and communication engineering 6th)

Wireless and mobile communication

Previous year question paper with solutions for Wireless and mobile communication

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  1. ITU stands for __________
  2. _____________ are caused by mobility of terminals.
  3. _____________ Frequencies can penetrate buildings and heavy foliage quite easily.
  4. _____________ was first 2G system.
  5. The average radii of all the cells in the network ____________ with cell splitting.
  6. SIM stands for ____________.
  7. RFID stands for ___________.
  8. In Pico cells, the cell size varies from ______________.
  9. Paging system is a ___________ way of communication system.
  10. GSM is a ____________ cellular network.
  11. The area covered by one network operator is called ___________.
  12. __________ has a very high spectral efficiency.
  13. __________ users share a common frequency channel, on the same frequency at the same time.
  14. Signals which are __________ in frequency to the desired signal cause adjacent channel interference.
  15. Cell ________ consists of decreasing the radii of existing cells and adding new ones.
  16. The change in frequency of a wave for an observer moving relative to the source of the wave is______
  17. ___________ is most applicable when there is no dominant propagation along a line of sight between the transmitter and receiver.
  18. The most widely used standard for cellular communication is_______________ .
  19. Sectoring and splitting in the cellular system increases_________________ .
  20. In an FHSS, a transmitter_________ between available frequencies according to a specified algorithm
  21. Each FDMA user is assigned a specific ________.
  22. GSM stands for ___________.
  23. The term MTSO in cellular system means____________.
  24. A __________ is the basic geographic unit of a cellular system.
  25. The process of transferring the call, which is in progress from one channel/base station to another, is called_______.
  26. __________ has a very high spectral efficiency.
  27. The mobile equipment is uniquely identified by the_________________ .
  28. Bluetooth is an ______________ wireless technology.
  29. CDMA base stations consume ______power than GSM.
  30. Digital Cellular technologies offer increased capacity and security.(True/False)