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Application trend

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Transcript

  • 1.
    • Application trend
    Mobile Commerce
  • 2. Application trend of mobile and wireless computing Commercial and Civilian use Personal computer Internet Mobile and Wireless Applications
  • 3. Application trend: From wired connection to wireless devices XML, Broadband Web service Beyond browsing 3G (2000 onwards) HTTP, PERL, ASP Personalized, e-commerce Web sites browsing 2G (1994 to 1999) TCP, FTP, SMPT E-mails, file transfer Wired connecting 1G (1975 to 1993) Protocol and devices Major services Mode of connection Approx. Time division
  • 4. Wireless Communications
    • Outdoor – GSM, GPRS, 3G
    • Indoor – Blue tooth,
    • Wireless Broadband
  • 5. Outdoor Wireless Communications
    • Currently GSM (2 G) based network
    • max. up to 14.4 bps
    • charged by connection time
    • content critical
    • uniform user interface for
    • ASP
  • 6. Outdoor Wireless Communications (cont’d)
    • GPRS (General Packet Radio Service) (2.5G) :
    • offers packet switched
    • network, max up to 114K bps
    • more short message data
    • download and transfer
  • 7. Outdoor Wireless Communications (cont’d) 3G - much higher communication speed and contains more data and visual information apart from traditional voice message.
  • 8. Indoor Wireless Communications
    • Bluetooth
    • a short range radio links
    • between mobile PCs, mobile
    • phones and other portable
    • devices
    • Eliminates the need for
    • inconvenient cable attachment
  • 9. Bluetooth
  • 10. Conclusion
    • Increase in mobile workforce
    • esp. in Mainland after the
    • entry of WTO
    • Mobile phones and
    • handhelds will outnumber
    • desktop PC sales
    • Increase in use of notebook
    • PC, Pocket PC and Mobile
    • phone for communications

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