MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
Interleaving is used to obtain ___________ diversity. |
| A. | Time |
| B. | Frequency |
| C. | Polarization |
| D. | Antenna |
| Answer» B. Frequency | |
| 2. |
A RAKE receiver uses __________ |
| A. | Equalization |
| B. | Channel coding |
| C. | Diversity |
| D. | Encryption |
| Answer» D. Encryption | |
| 3. |
In a RAKE receiver, if the output from one correlator is corrupted by fading, all the other correlator’s output are also corrupted. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A RAKE receiver uses __________ to separately detect the M strongest signals. |
| A. | Single correlator |
| B. | Multiple correlator |
| C. | Single IF receiver |
| D. | Multiple IF receivers |
| Answer» C. Single IF receiver | |
| 5. |
Each correlation receiver in RAKE receiver is adjusted in ____________ |
| A. | Frequency shift |
| B. | Amplitude change |
| C. | Phase shift |
| D. | Time delay |
| Answer» E. | |
| 6. |
A RAKE receiver collects the __________ versions of the original signal. |
| A. | Time shifted |
| B. | Amplitude shifted |
| C. | Frequency shifted |
| D. | Phase shifted |
| Answer» B. Amplitude shifted | |
| 7. |
In CDMA spread spectrum systems, chip rate is less than the bandwidth of the channel. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
A_RAKE_RECEIVER_USES_____?$ |
| A. | Equalization |
| B. | Channel coding |
| C. | Diversity |
| D. | Encryption |
| Answer» D. Encryption | |
| 9. |
Interleaving_is_used_to_obtain_______diversity.$ |
| A. | Time |
| B. | Frequency |
| C. | Polarization |
| D. | Antenna |
| Answer» B. Frequency | |
| 10. |
In a RAKE receiver, if the output from one correlator is corrupted by fading, all the other correlator’s output are also corrupted. State whether True or Fals?# |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
A RAKE receiver uses ____ to separately detect the M strongest signals. |
| A. | Single correlator |
| B. | Multiple correlator |
| C. | Single IF receiver |
| D. | Multiple IF receivers |
| Answer» C. Single IF receiver | |
| 12. |
RAKE receiver is used for _______ technique. |
| A. | CDMA |
| B. | TDMA |
| C. | FDMA |
| D. | OFDM |
| Answer» B. TDMA | |
| 13. |
The range of time delays that a particular correlator can search is called ________ |
| A. | Search window |
| B. | Sliding window |
| C. | Time span |
| D. | Dwell time |
| Answer» B. Sliding window | |
| 14. |
Each correlation receiver in RAKE receiver is adjusted in______ |
| A. | Frequency shift |
| B. | Amplitude change |
| C. | Phase shift |
| D. | Time delay |
| Answer» E. | |
| 15. |
RAKE receiver uses separate _________ to provide the time shifted version of the signal. |
| A. | IF receiver |
| B. | Equalizer |
| C. | Correlation receiver |
| D. | Channel |
| Answer» D. Channel | |
| 16. |
A RAKE receiver collects the __________-versions of the original signal. |
| A. | Time shifted |
| B. | Amplitude shifted |
| C. | Frequency shifted |
| D. | Phase shifted |
| Answer» B. Amplitude shifted | |
| 17. |
In CDMA spread spectrum systems, chip rate is less than the bandwidth of the channel. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |