Block fading occurs in

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Question:
Block fading occurs in

1.Frequency domain

2.Time domain

3.Frequency & Time domain

4.None of the mentioned

Posted Date:-2022-05-25 01:55:10

More MCQS Questions and answers

  1. Scintillation describes the fading caused by
  2. A rake receiver uses multiple
  3. Block fading occurs in
  4. Channel’s time spreading properties are
  5. Coherence time is _______ to Doppler spread.
  6. Diversity technique is applied at
  7. Diversity technique is used for combating
  8. DSA protocol is based on
  9. Fading channel has memory.
  10. Fast fading can be minimized by
  11. Flat fading can be avoided or stopped by
  12. Frequency tracking loop can minimize irreducible error rate by using
  13. How can frequency selective distortion be minimized?
  14. How can slow fading be minimized?
  15. If coherence bandwidth is smaller than the bandwidth of the signal, _____ fading occurs.
  16. If delay time is greater than symbol time, _______ fading occurs.
  17. If delay time is lesser than symbol time, ______ fading occurs.
  18. If signalling rate is less than fading rate, _____ fading occurs.
  19. In hash function output length is fixed.
  20. Information reliability depends on
  21. Interleaving does
  22. Large scale fading refers the attenuation in
  23. Minimum time required for magnitude change or phase change is called as
  24. Multiple isolated peaks in multipath components is called as
  25. Rake receiver does
  26. Rake receivers are used in
  27. Small scale fading manifests due to
  28. Small scale fading occurs due to
  29. Small scale refers to changes in
  30. The decision feedback equalizer has a linear traversal filter which is
  31. The digital signature provides authentication to the
  32. The effect of Doppler shift can be counterattacked by
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  34. The inter-leaver is more effective if the vehicle is
  35. The ISI and adjacent channel interference is removed by
  36. The parameters used to describe large scale fading are
  37. The rake receivers functions are similar to
  38. The received power is attenuated by a factor called
  39. The technique for combining diversity signals are
  40. Uncorrelated fading occurs when
  41. What are the modes of adaptive equalizer?
  42. What are the types of small scale fading that occurs due to Doppler shift?
  43. What is the source for performance degradation?
  44. When a user’s moving, the user’s velocity causes shift in frequency. This is called as
  45. When channel coherence bandwidth is greater than the transmitted signal bandwidth ______ occurs.
  46. When channel coherence time is less than the time duration of a transmission symbol, then ______ fading occurs.
  47. When transmitter and receiver moves towards each other, the magnitude of frequency shift is
  48. Which is more effective and commonly preferred technique?
  49. Which should be used first to decrypt?
  50. Which signalling scheme is preferred for fading channel?
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