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Mobile Communication System: 3GPP LTE
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Mobile Communication System: 3GPP LTE
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25 Questions

1. Approximately what portion of a subframe in a 1.4 MHz channel is available for carrying the PDSCH?
2. With the normal cyclic prefix, how many symbols are contained in 1 frame?
3. Which of the following is not a part of the characteristic of 4G network?
4. In LTE, what is the benefit of PAPR reduction in the uplink?
5. Why is a Cyclic Prefix required in OFDMA?
6. What location management feature is supported by 4G?
7. What does the DC subcarrier indicate?
8. Why is the Cyclic Prefix a copy of the tail end of the symbol?
9. Which UE categories support 64QAM on the uplink?
10. Which type of cell provides the best level of service for average subscribers?
11. Which channel indicates the number of symbols used by the PDCCH?
12. In 2007 ____________ announced its plan to transmit its network to 4G standard LTE with joint efforts of Vodafone group.
13. Which RLC mode adds the least amount of delay to user traffic?
14. What is the PBCH scrambled with?
15. What organization is responsible for developing LTE standards?
16. What is the average uploading speed of 4G LTE network?
17. What coding scheme is used for the DL-SCH and UL-SCH?
18. Hybrid ARQ is part of the ____________ layer.
19. Which type of cell provides the best level of service for average subscribers?
20. How often can resources be allocated to a UE?
21. What is the length of the shortest possible PDCCH, in bits?
22. How much bandwidth is required to transmit the primary and secondary synchronization signals?
23. In OFDM, what is the relationship between the subcarrier spacing f and the symbol time t?
24. What is the PBCH scrambled with?
25. With PRACH configuration 14, what are the odds that two UE's will collide during their random accesses?

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