1. Cell Phone System Technologies By: Hui Hua Shen 100655607 April 8th, 2011

3. GSM

4. CDMA vsGSM

5. Generations

6. Conclusion

7. Referencesi

8. CDMA Stands for Code Division Multiple Access digitalcellular technology usesspread-spectrumtechniques better capacity for voice and data communications allowing more subscribers common platform on which 3G technologies are built1 ii

10. First launched in Finland in 1991

11. Narrowband TDMA ( time division multiple access)

12. Most widely used 2GSM iii

14. “spread-spectrum” technique

15. 800-MHz and 1.9-GHz

17. Digital technology

18. 900 MHz or 1800 MHz

19. Rogers/Fido/Wind 3iv

21. 1G – First Generation

22. 2G – Second Generation

23. 3G – Third Generation

24. 4G – Fourth Generationv

26. Autoradiopuhelin (ARP) launched in 1971 in Finland4&5 vi

27. 1G – First Generation Released in the early 1980s Analog cellphone standards * NMT (Nordic Mobile Telephone) Eastern Europe & Russia * AMPS (Advanced Mobile Phone System) United States4 & 5 vii

28. Launch in 1991 in Finland Digital transmission digital voice call itself basic ancillary data (time & date) SMS messaging 2G standards: GSM (TDMA – based), from Europe but used worldwide IDEN (TDMA – based), Nextel (United States) & Telus Mobility (Canada)4 & 5 2G – Second Generation viii

29. 3G – Third Generation Launch in 2001 in Japan by NTT DoCoMo Allows broadband-speed access to the internet and email Video telephony View television programs 4 & 5 ix

30. First launched in 2008 a wireless access technology - High-speed mobile wireless access (10 Mbits/s and up) Wi-fi - Pervasive networks connected to several wireless access technologies (Wi-fi, UMTS, EDGE) 4 & 5 4G – Fourth Generation x

32. Most people can not live without cell phones.

33. There are different features and functions for all cell phone generations.Conclusion

34. References http://www.webopedia.com/TERM/C/CDMA.html http://www.webopedia.com/TERM/G/GSM.html http://www.cellphones.ca/cell-plans/carriers/ http://funsms.net/mobile_phone_generations.htm http://www.actewagl.com.au/education/communications/MobilePhones/DevelopmentOfMobiles/MobileGenerations.aspx Images: http://farm1.static.flickr.com/49/118885175_bcf6c34125_o.jpg http://www.cellular.co.za/cdma.htm http://androidheadlines.com/wp-content/uploads/2010/11/gsmmapworldtimezone-600x293.gif http://www.learntelecom.com/telephony/gsm/gsm-vs-cdma http://www.w-cellphones.com/wp-content/uploads/2010/04/timeline-of-cell-phones.gif http://www.actewagl.com.au/education/_lib/images/Communications/MobilePhones/Mobile05%20-%20First%20radio%20telephone%201924.jpg http://www.geekosystem.com/wp-content/uploads/2010/03/20090522175136558-220x308.jpg http://static02.mediaite.com/geekosystem/uploads/2010/03/nokia3310.jpeg http://3.bp.blogspot.com/_0arosa8qIkc/SakNlSamqTI/AAAAAAAADq8/GHrKbywrwGc/s400/mobile-phones.jpg http://www.worldphoto360.com/wp-content/uploads/2010/07/cell-phone_deals.jpg

35. Thank you! Are there any questions?