Monday, October 14, 2013

LTE Objective Questions

1. Which type of cell provides the best level of service for average subscribers?
A.
B.
C.
D.
2. Which UE categories support 64QAM on the uplink?
A.
B.
C.
D.
3. What types of handover are supported in LTE?
A.
B.
C.
D.
4. Why is a Cyclic Prefix required in OFDMA?
A.
B.
C.
D.
5. What does the DC subcarrier indicate?
A.
B.
C.
D.
6. What processing step combines multiple OFDM subcarriers into a single signal for transmission?
A.
B.
C.
D.
7. What is the minimum amount of RF spectrum needed for an FDD LTE radio channel?
A.
B.
C.
D.
8. In MIMO, which factor has the greatest influence on data rates?
A.
B.
C.
D.
9. What organization is responsible for developing LTE standards?
A.
B.
C.
D.
10. Which channel indicates the number of symbols used by the PDCCH?
A.
B.
C.
D.
11. How often can resources be allocated to a UE?
A.
B.
C.
D.
12. What property of OFDMA systems allows adjacent subcarriers to be used without interference?
A.
B.
C.
D.
13. With the normal Cyclic Prefix, how many symbols are contained in 1 frame?
A.
B.
C.
D.
14. What is the largest channel bandwidth a UE is required to support in LTE?
A.
B.
C.
D.
15. In OFDM, what is the relationship between the subcarrier spacing f and the symbol time t?
A.
B.
C.
D.
16. What is the PBCH scrambled with?
A.
B.
C.
D.
17. Why is the Cyclic Prefix a copy of the tail end of the symbol?
A.
B.
C.
D.
18. In LTE, what is the benefit of PAPR reduction in the uplink?
A.
B.
C.
D.
19. Approximately what portion of a subframe in a 1.4 MHz channel is available for carrying the PDSCH?
A.
B.
C.
D.
20. If the UE detects primary synchronization sequence x and secondary synchronization sequence y, what is the physical cell ID?
A.
B.
C.
D.
21. Which RLC mode adds the least amount of delay to user traffic?
A.
B.
C.
D.
22. What coding scheme is used for the DL-SCH and UL-SCH?
A.
B.
C.
D.
23. How much bandwidth is required to transmit the primary and secondary synchronization signals?
A.
B.
C.
D.
24. What is the length of the shortest possible PDCCH, in bits?
A.
B.
C.
D.
25. With PRACH configuration 14, what are the odds that two UE's will collide during their random accesses?
A.
B.
C.

D.



Source: From Google

1 comment:

Unknown said...

thank u soo much brother plz
post 3g questions with answer