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Mobile Communication System: Mobile Radio Propagation
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Mobile Communication System: Mobile Radio Propagation
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25 Questions

1. Which of the following antenna radiates power with unit gain uniformly in all directions?
2. Diffraction allows radio signals to propagate around ________
3. Apparent shift in frequency in multipath wave is caused due to relative motion between________
4. The envelope of a sinusoid plus bandpass noise has __________
5. EIRP is abbreviated as __________
6. Doppler shift is positive if mobile is moving away from direction of arrival of the wave.
7. The free space model predicts that received signal decays as a function of _________
8. Small scale fading describes the _________ fluctuations of the amplitude, phases of a signal.
9. In mobile communication system, diffraction loss occurs due to ______
10. Average received signal power decreases __________ with distance.
11. Which of the following mechanism do not impact propagation in mobile communication system?
12. Propagation model that characterize rapid fluctuation is called _________
13. Which of the following is not an outdoor propagation model?
14. In urban areas, fading occurs due to height of mobile antenna ________ than height of surrounding structure.
15. Which distribution describes the shadowing effect?
16. Path loss in free space model is defined as difference of ________
17. Which of the following is not an effect caused by multipath in radio channel?
18. Reflection coefficient is not a function of __________
19. Which principle explains the phenomenon of diffraction?
20. Okumura model is considered to be complex in predicting path loss.
21. What does path loss exponent indicates?
22. Small scale propagation model is also known as _________
23. Okumura model is applicable for distances of _________
24. Longley '
25. The Hata model is empirical formulation of which model?

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