MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The envelope of a sinusoid plus bandpass noise has __________ |
| A. | Uniformly distributed |
| B. | Rayleigh |
| C. | Ricean |
| D. | Gaussian |
| Answer» D. Gaussian | |
| 2. |
The envelope of a bandpass noise is __________ |
| A. | Uniformly distributed |
| B. | Rayleigh |
| C. | Ricean |
| D. | Gaussian |
| Answer» C. Ricean | |
| 3. |
For a nonfading signal component present, the small scale fading envelope distribution is ____________ |
| A. | Rayleigh |
| B. | Gaussian |
| C. | Log normal |
| D. | Ricean |
| Answer» E. | |
| 4. |
It is easy to compare different fading distributions using mean values instead of median values. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
WHAT_DO_YOU_CALL_AN_ATTENUATION_THAT_OCCURS_OVER_MANY_DIFFERENT_WAVELENGTHS_OF_THE_CARRIER??$ |
| A. | Rayleigh fading |
| B. | Ricean fading |
| C. | Wavelength fading |
| D. | Slow fading |
| Answer» E. | |
| 6. |
Which_of_the_reception_problems_below_that_is_not_due_to_multipath?$ |
| A. | Delayed spreading |
| B. | Rayleigh fading |
| C. | Random Doppler shift |
| D. | Slow fading |
| Answer» E. | |
| 7. |
The envelope of a sinusoid plus bandpass noise has ___? |
| A. | Uniformly distributed |
| B. | Rayleigh |
| C. | Ricean |
| D. | Gaussian |
| Answer» D. Gaussian | |
| 8. |
The envelope of a bandpass noise is ______ |
| A. | Uniformly distributed |
| B. | Rayleigh |
| C. | Ricean |
| D. | Gaussian |
| Answer» C. Ricean | |
| 9. |
Ricean distribution degenerates to ________ distribution when the dominant component fades away. |
| A. | Log normal |
| B. | Gamma |
| C. | Rayleigh |
| D. | Gaussian |
| Answer» D. Gaussian | |
| 10. |
For a nonfading signal component present, the small scale fading envelope distribution is ______ |
| A. | Rayleigh |
| B. | Gaussian |
| C. | Log normal |
| D. | Ricean |
| Answer» E. | |
| 11. |
It is easy to compare different fading distributions using mean values instead of median values. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
For a Rayleigh fading signal, mean and median differ by _______ |
| A. | 2 dB |
| B. | 10 dB |
| C. | 0.55 dB |
| D. | 100 dB |
| Answer» D. 100 dB | |
| 13. |
Envelope of the sum of two quadrature Gaussian noise signal obeys _________ distribution. |
| A. | Rayleigh |
| B. | Inverse Gaussian |
| C. | Nakagami |
| D. | Gamma |
| Answer» B. Inverse Gaussian | |
| 14. |
Which of the following distribution is used for describing statistical time varying nature of received envelope of multipath component? |
| A. | Log normal distribution |
| B. | Levy distribution |
| C. | Rayleigh distribution |
| D. | Gaussian distribution |
| Answer» D. Gaussian distribution | |