MCQOPTIONS
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MCQOPTIONS
This section includes 23 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. |
In dynamic channel assignment, any channel which is being used in one cell can be reassigned simultaneously to another cell in the system at a reasonable distance. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In near-far effect, a nearby transmitter captures the __________ |
| A. | Receiver of the subscriber |
| B. | Transmitter of the subscriber |
| C. | Nearby MSC |
| D. | Neighbouring base station |
| Answer» B. Transmitter of the subscriber | |
| 3. |
Adjacent channel interference occurs due to _______ |
| A. | Power transmitted by Base station |
| B. | MSCs |
| C. | Same frequency of mobile users |
| D. | Imperfect receiver filters |
| Answer» E. | |
| 4. |
What is breathing cell effect? |
| A. | Fixed coverage region |
| B. | Dynamic and time varying coverage region |
| C. | Large coverage region |
| D. | Very small coverage region |
| Answer» C. Large coverage region | |
| 5. |
What is the cluster size for CDMA? |
| A. | N=10 |
| B. | N=100 |
| C. | N=1 |
| D. | N=50 |
| Answer» D. N=50 | |
| 6. |
Co-channel ratio in terms of cluster size is defined as _________ |
| A. | \(\sqrt{(3N)}\) |
| B. | N |
| C. | 3N |
| D. | √N |
| Answer» B. N | |
| 7. |
Co-channel reuse ratio is define by _________ |
| A. | Q=D*R |
| B. | Q=D/R |
| C. | Q=D^R |
| D. | Q=1/R |
| Answer» C. Q=D^R | |
| 8. |
Co-channel interference is a function of _________ |
| A. | Radius of cell |
| B. | Transmitted power |
| C. | Received power |
| D. | Frequency of mobile user |
| Answer» B. Transmitted power | |
| 9. |
Interference is more severe in rural areas. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
WHAT_IS_THE_CLUSTER_SIZE_FOR_CDMA??$ |
| A. | N=10 |
| B. | N=100 |
| C. | N=1 |
| D. | N=50 |
| Answer» D. N=50 | |
| 11. |
Adjacent channel interference occurs due to _______$ |
| A. | Power transmitted by Base station |
| B. | MSCs |
| C. | Same frequency of mobile users |
| D. | Imperfect receiver filters |
| Answer» E. | |
| 12. |
What_is_breathing_cell_effect?$ |
| A. | Fixed coverage region |
| B. | Dynamic and time varying coverage region |
| C. | Large coverage region |
| D. | Very small coverage region |
| Answer» C. Large coverage region | |
| 13. |
In dynamic channel assignment, any channel which is being used in one cell can be reassigned simultaneously to another cell in the system at a reasonable distance. State whether True or False. |
| A. | True |
| B. | . False |
| Answer» B. . False | |
| 14. |
Adjacent channel interference can be minimized through _______ |
| A. | Changing frequency of base stations |
| B. | Careful filtering and channel assignments |
| C. | Increasing number of base stations |
| D. | Increasing number of control channels |
| Answer» C. Increasing number of base stations | |
| 15. |
Which of the following problem occur due to adjacent channel interference? |
| A. | Blocked calls |
| B. | Cross talk |
| C. | Near-far effect |
| D. | Missed calls |
| Answer» D. Missed calls | |
| 16. |
Co-channel ratio in terms of cluster size is defined as _____? |
| A. | ‚àö(3N) |
| B. | N |
| C. | 3N |
| D. | ‚àöN |
| Answer» B. N | |
| 17. |
Co-channel reuse ratio is define by ______ |
| A. | Q=D*R |
| B. | Q=D/R |
| C. | Q=D^R |
| D. | Q=1/R |
| Answer» C. Q=D^R | |
| 18. |
Co-channel interference is a function of ______ |
| A. | Radius of cell |
| B. | Transmitted power |
| C. | Received power |
| D. | Frequency of mobile user |
| Answer» B. Transmitted power | |
| 19. |
What are co-channel cells? |
| A. | Cells having different base stations |
| B. | Cells using different frequency |
| C. | Cells using adjacent frequency |
| D. | Cells using same frequency |
| Answer» E. | |
| 20. |
Interference is more severe in rural areas. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 21. |
Interference in control channel leads to ________ |
| A. | Cross talk |
| B. | Queuing |
| C. | Blocked calls |
| D. | Voice traffic |
| Answer» D. Voice traffic | |
| 22. |
Interference on voice channels causes _______ |
| A. | Blocked calls |
| B. | Cross talk |
| C. | Queuing |
| D. | Missed calls |
| Answer» C. Queuing | |
| 23. |
Which of the following is not a source of interference? |
| A. | Base station in different cluster |
| B. | Another mobile in same cell |
| C. | A call in progress in neighbouring cell |
| D. | Any BS operating on same frequency |
| Answer» B. Another mobile in same cell | |