LTE Homework

1.How many subcarriers are used for a 10MHz FDD-LTE channel?

2.What is the difference between an S1 and an X2 handover?

3.Describe the differences between the tasks for the MME and the tasks of the S-GW.

4.What is an RB?

5.How does a mobile device get access to the PUSCH?

6.What are the differences between ARQ and HARQ?

7.What is the difference between a default and a dedicated bearer?

8.What is the purpose of DRX in RRC connected state?

9.How is mobility controlled in RRC idle state?

10.What is the difference between a cell change order and a handover?

11.(a) How can the LTE core network be interconnected with legacy core networks? (b) Whys should this be done?

12.What is CS-fallback?

13.What is the big disadvantage of Internet-based voice services compared to network operator-based voice services?

14.Describe different options for the backhaul connection of the eNB.