March 2011
Intermediate to advanced
450 pages
18h 25m
English
Content preview from From GSM to LTE: An Introduction to Mobile Networks and Mobile BroadbandBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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3.15 Questions
1. What are the main differences between the GSM and UMTS radio network?
2. What advantages does the UMTS radio network have compared to previous technologies for users and network operators?
3. What were the datarates for a packet-switched connection that were offered by early Release 99 UMTS networks?
4. What does OVSF mean?
5. Why is a scrambling code used in addition to the spreading code?
6. What does ‘cell breathing’ mean?
7. What are the differences between the Cell-DCH and the Cell-FACH RRC states?
8. In which RRC states can a mobile device be in PMM connected mode?
9. How is a UMTS soft handover performed and what are the advantages and disadvantages?
10. What is an SRNS relocation?
11. How is the mobility of a user managed in Cell-FACH state?
12. What is the compressed mode used for?
13. What are the basic HSDPA concepts to increase the user datarate?
14. How is a circuit-switched voice connection handled during an ongoing HSDPA session?
15. What are the advantages of the Enhanced-DCH (E-DCH) concept?
16. Which options does the Node-B have to schedule the uplink traffic of different E-DCH mobile devices in a cell?
Answers to these questions can be found on the website to this book at http://www.wirelessmoves.com
References
[1] 3GPP Release Descriptions, 3GPP, Release Descriptions.http://www.3gpp.org/ftp/Information/WORK_PLAN/Description_Releases/Accessed in 2010.
[2] 3GPP, ‘User Equipment (UE) Radio Transmission and Reception (FDD)’, TS 25.101.
[3] M. Sauter, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.