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. |
MLSE decodes each received signal by itself. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following does not hold true for MLSE? |
| A. | Minimizes probability of sequence error |
| B. | Require knowledge of channel characteristics |
| C. | Requires the statistical distribution of noise |
| D. | Operates on continuous time signal |
| Answer» E. | |
| 3. |
For a distorted channel, LTE performance is superior to DFE. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Equalization is linear if an analog signal is fed back to change the subsequent outputs of the equalizer. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
WHICH_OF_THE_FOLLOWING_DOES_NOT_HOLD_TRUE_FOR_MLSE??$ |
| A. | Minimizes probability of sequence error |
| B. | Require knowledge of channel characteristics |
| C. | Requires the statistical distribution of noise |
| D. | Operates on continuous time signal |
| Answer» E. | |
| 6. |
MLSE_decodes_each_received_signal_by_itself.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
For a distorted channel, LTE performance is superior to DFE. State whether True or False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following is not a non-linear equalization technique? |
| A. | Decision feedback equalization |
| B. | Maximum likelihood symbol detection |
| C. | Minimum square error detection |
| D. | Maximum likelihood sequence detection |
| Answer» D. Maximum likelihood sequence detection | |
| 9. |
Non-linear equalizers are used in applications where channel distortion is not severe. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of the following is not an advantage of lattice equalizer? |
| A. | Simple structure |
| B. | Numerical stability |
| C. | Faster convergence |
| D. | Dynamic assignment |
| Answer» B. Numerical stability | |
| 11. |
Which of the following is not a characteristic of FIR filter? |
| A. | Many zeroes |
| B. | Poles only at z=0 |
| C. | Transfer function is a polynomial of z-1 |
| D. | Many poles |
| Answer» E. | |
| 12. |
In the context of equalizers, LTE stands for ________ |
| A. | Long transversal equalizer |
| B. | Least time-varying equalizer |
| C. | Linear transversal equalizer |
| D. | Linear time-varying equalizer |
| Answer» D. Linear time-varying equalizer | |
| 13. |
Equalization is linear, if an analog signal is fed back to change the subsequent outputs of the equalizer. Sate whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Equalization techniques can be categorised into _______ and ______ techniques. |
| A. | Linear, non linear |
| B. | Active, passive |
| C. | Direct, indirect |
| D. | Slow, fast |
| Answer» B. Active, passive | |