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M obile telephone systems

M obile telephone systems. By Jérémy Fréchard. Jérémy Fréchard RT221. Summary :. - General principle - Historic The first french mobile telephone system : Radiocom 2000 The french mobile telephone systems : The mobile telephone systems in the world Conclusion.

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M obile telephone systems

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  1. Mobile telephonesystems By Jérémy Fréchard Jérémy Fréchard RT221

  2. Summary: - General principle - Historic • The first french mobile telephone system : Radiocom 2000 • The french mobile telephone systems : • The mobile telephone systems in the world • Conclusion Jérémy Fréchard RT221

  3. General principle : The working of a cellular network : The french territory is split in area, called cells, from a hundred meters to several kilometers For all cells, there is a emitter, called BTS (Base Transceiver Station) Jérémy Fréchard RT221

  4. General principle : Roaming: In standby mode : the mobile listens the canal BCCH In communication : he send a rapport of the puissant for the network If the signal is too low, the handover is used Jérémy Fréchard RT221

  5. General principle : The handover : A frame gsm, where a handover is realised Jérémy Fréchard RT221

  6. General principle : The security : The sim card, used by all provider, is the better solution for authenticate a customer. With a algorithm, the mobile and sim calculates a random signature. da111 Jérémy Fréchard RT221

  7. Historic : 1982 : Network 1G, Radiocom 2000 1992 : Network2G, GSM 2000 : Network2.5G, GPRS 2005: Network 2.75G, EDGE 2003 : Network3G, UMTS 2006 : Network 3.5G, HSDPA 2012 : Network3.9G, LTE 20?? : Network 4G, LTE-A Jérémy Fréchard RT221

  8. The first french mobile telephone system :Radiocom 2000 : It's the first french mobile, mainly used in cars because he were too big. Jérémy Fréchard RT221

  9. The french mobile telephone systems : Jérémy Fréchard RT221

  10. An analysis frame gsm :Service demand : Jérémy Fréchard RT221

  11. An analysis frame gsm :Authentication request : Jérémy Fréchard RT221

  12. An analysis frame gsm :Encryption and numbering : Jérémy Fréchard RT221

  13. An analysis frame gsm :of the alarm at unhooking : Jérémy Fréchard RT221

  14. L’analyse de trame GSM:The end of call : Jérémy Fréchard RT221

  15. Mobile telephone systems in world : • Europe : NMT (1G Belarus), DCS (2G Luxembourg) • America : iDEN (Argentina, Brazil), CDMA-2000 (3G Canada), 1xEV-DO (3G Canada), UMA (1G USA), TDMA • Asia Pacific : PDC (2G Japan), FOMA (3G Japan), PHS (Japan), AMPS • Africa : D-AMPS (2G Congo), AMPS (1G Ghana) • Middle East : iDEN(SaudiArabia, Israel and Jordan) Jérémy Fréchard RT221

  16. Conclusion : What does the future hold? Thanks for your attention ! Jérémy Fréchard RT221

  17. Conclusion : What does the future hold? Thanks for your attention ! Jérémy Fréchard RT221

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