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The document is an assignment for TEE 5225 Mobile Communications focused on Long Term Evolution (LTE). It includes a series of questions related to LTE technology, covering topics such as subcarriers, handovers, resource blocks, and network interconnections. The assignment is due on March 30, 2022, and is worth a total of 100 marks.

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10 views1 page

Ass N1 Lte

The document is an assignment for TEE 5225 Mobile Communications focused on Long Term Evolution (LTE). It includes a series of questions related to LTE technology, covering topics such as subcarriers, handovers, resource blocks, and network interconnections. The assignment is due on March 30, 2022, and is worth a total of 100 marks.

Uploaded by

Aadil
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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TEE 5225 MOBILE COMMUNICATIONS

ASSIGNMENT 1 2ND SEMESTER 2022

TOPIC: LONG TERM EVOLUTION [LTE]

Instructions: Research available material on LTE and answer the following questions.

1. How many subcarriers are used for a 10-MHz FDD LTE channel?[5]

2. What is the difference between an S1 and an X2 handover? [10]

3. Describe the differences between the tasks for the MME and the tasks of the Serving
Gateway.[10]

4. What is a resource block (RB)?[10]

5. How does a mobile device get access to the Physical Uplink Shared Channel?[10]

6. What are the differences between ARQ and HARQ?[6]

7. What is the difference between a default and a dedicated bearer?[4]

8. What is the purpose of DRX in RRC Connected state?[6]

9. How is mobility controlled in RRC Idle state?[4]

10. What is the difference between a Cell Change Order and a Handover?[10]

11. How can the LTE core network be interconnected with legacy core networks and why
should this be done?[5]

12. What is CS fallback?[5]

13. What is the big disadvantage of Internet-based voice services compared to network
operator-based voice services? [5]

14. Describe different options for the backhaul connection of the eNode-B [10]

Total mark 100


Submission date: 30 March 2022

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