MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Which of the following is a blind algorithm? |
| A. | Linear adaptive algorithms |
| B. | Constant modulus algorithm |
| C. | Non-linear adaptive algorithms |
| D. | Spatially adaptive algorithms |
| Answer» C. Non-linear adaptive algorithms | |
| 2. |
The adaptive algorithms in equalizer that do not require training sequence are called ________ |
| A. | Linear adaptive algorithms |
| B. | Blind algorithms |
| C. | Non-linear adaptive algorithms |
| D. | Spatially adaptive algorithms |
| Answer» C. Non-linear adaptive algorithms | |
| 3. |
______ controls the adaptive algorithm in an equalizer. |
| A. | Error signal |
| B. | Transmitted signal |
| C. | Received signal |
| D. | Channel impulse response |
| Answer» B. Transmitted signal | |
| 4. |
WHICH_OF_THE_FOLLOWING_IS_A_BLIND_ALGORITHM??$ |
| A. | Linear adaptive algorithms |
| B. | Constant modulus algorithm |
| C. | Non-linear adaptive algorithms |
| D. | Spatially adaptive algorithms |
| Answer» C. Non-linear adaptive algorithms | |
| 5. |
The adaptive algorithms in equalizer that do not require training sequence are called _______? |
| A. | Linear adaptive algorithms |
| B. | Blind algorithms |
| C. | Non-linear adaptive algorithms |
| D. | Spatially adaptive algorithms |
| Answer» C. Non-linear adaptive algorithms | |
| 6. |
______ controls the adaptive algorithm in an equalizer? |
| A. | Error signal |
| B. | Transmitted signal |
| C. | Received signal |
| D. | Channel impulse response |
| Answer» B. Transmitted signal | |
| 7. |
Equalizer is ________ of the channel. |
| A. | Opposite |
| B. | Same characteristics |
| C. | Inverse filter |
| D. | Add on |
| Answer» D. Add on | |
| 8. |
Equalizer is usually implemented in __________ |
| A. | Transmitter |
| B. | Baseband or at IF in a receiver |
| C. | Radio channel |
| D. | Modulator stage |
| Answer» C. Radio channel | |
| 9. |
Time for convergence of an equalizer is not a function of _______ |
| A. | Equalizer algorithm |
| B. | Equalizer structure |
| C. | Time rate of change of multipath radio channel |
| D. | Transmitter characteristics |
| Answer» E. | |
| 10. |
An equalizer is said to be converged when it is properly _______ |
| A. | Trained |
| B. | Tracked |
| C. | Installed |
| D. | Used |
| Answer» B. Tracked | |
| 11. |
Training and tracking are the operating modes of _________ |
| A. | Diversity techniques |
| B. | Channel coding techniques |
| C. | Equalization techniques |
| D. | Demodulation techniques |
| Answer» D. Demodulation techniques | |
| 12. |
Equalization is used to compensate __________ |
| A. | Peak signal to noise ratio |
| B. | Intersymbol interference |
| C. | Channel fading |
| D. | Noises present in the signal |
| Answer» C. Channel fading | |
| 13. |
Which of the following is not used to improve received signal quality over small scale times and distance? |
| A. | Modulation |
| B. | Equalization |
| C. | Diversity |
| D. | Channel coding |
| Answer» B. Equalization | |