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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7.8 Questions
1. What are the maximum speeds that can be achieved by Bluetooth and what do they depend on?
2. What is the frequency hopping spread spectrum (FHSS) and which enhanced functionalities are available with Bluetooth 1.2 in this regard?
3. What is the difference between inquiry and paging?
4. What kinds of power-saving mechanisms exist for Bluetooth devices?
5. What are the tasks of the link manager?
6. How can several data streams for different applications be transferred simultaneously by the L2CAP protocol?
7. What are the tasks of the service discovery database?
8. How can several services use the RFCOMM layer simultaneously?
9. What is the difference between authentication and authorization?
10. Why are such a high number of different Bluetooth profiles required?
11. Describe the necessary steps to establish an Internet connection via the dial-up networking (DUN) profile.
12. Which profiles can be used to quickly transfer files and objects between two Bluetooth devices?
13. What are the differences between the hands-free profile and the SIM access profile?
14. What are the advantages of integrating both wireless LAN and Bluetooth in a single device?
Answers to these questions can be found on the companion website for this book at http://www.wirelessmoves.com.
References
[1] Bluetooth Qualification Program, website http://qualwebwww.bluetooth.org.
[2] Bluetooth Special Interest Group, ‘Bluetooth Specification Version 2.0 + EDR [vol. 0]’, November 2004, http://www.bluetooth.org ...
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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.