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Mobile Web Access - PowerPoint PPT Presentation


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Mobile Web Access. M-Business. Ubiquious Web. Everyone would like to access the Web from Anywhere Anytime. Devices used. Mobile Phones Personal Digital Assistants (i.e. Palm Pilot, BlackBerry) www.palm.com www.blackberry.com Small information appliances Car navigation systems

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PowerPoint Slideshow about 'Mobile Web Access' - LionelDale


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Mobile web access l.jpg

Mobile Web Access

M-Business


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Ubiquious Web

  • Everyone would like to access the Web from

    • Anywhere

    • Anytime


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Devices used

  • Mobile Phones

  • Personal Digital Assistants (i.e. Palm Pilot, BlackBerry)

    • www.palm.com

    • www.blackberry.com

  • Small information appliances

  • Car navigation systems

  • Laptop Computers


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B2C Wireless applications

  • Consumer uses include

    • Calendar, address book, phone numbers…

    • News, weather, sports scores…

    • Trade stocks

    • E-mail – Continuous communication


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B2B Wireless Applications

  • Sales and Service personnel

    • Access product databases

    • Place orders

    • Answer customer questions


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Considerations with Mobile Access

  • Regional Carriers

  • Network Characteristics

    • Bandwidth – 9.6 to 14.4 Kbps

    • Reliability – sometimes unreliable

  • Device characteristics

    • Screen and keyboard size – typically very small

    • Robustness – limited applications


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Considerations with Wireless (cont.)

  • Not available everywhere

  • Can be relatively expensive

  • Less memory, less cpu power

  • Security issues

  • Radiation concerns (?)


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Digital wireless communication technology

  • Currently used

    • CDMA – U.S.

    • GSM – Europe, Asia

    • PDC – Regionally in Japan


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New” Digital wireless communication technology

  • 3G Technologies

    • High speed wireless access

    • Streaming audio, video, etc.

      • EDGE

      • Cdma2000

      • W-CDMA


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Wireless Application Protocol (WAP)

  • A set of communication protocols

    • Standardization for wireless technologies

  • Designed for wireless devices

    • Small screens

    • Low bandwidth

  • Allows scalability across wireless networks


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Wireless Markup Language(WML)

  • Scripting Language

    • Creates content for wireless devices

  • Based upon XML

    • WML tags used for markup

    • WML works in conjunction with WAP


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Web Clipping

  • Formats data

    • Enables Access to relevant web information

    • Eliminates excess content and graphics

    • Used extensively by Palm, implemented using a proxy server


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Other Technologies

  • Bluetooth

    • Communication between digital devices

    • Short range

    • High speed voice

    • High speed digital

    • Cross-platform

  • Microsoft Pocket Internet Explorer

    • Reformats downloaded web pages


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Sites that provide Mobile access

  • Directory of Mobile sites

    • http://mfinder.cellmania.com/

  • Mobile services and software

    • http://www.avantgo.com


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Future of wireless devices

  • “All in one” devices

    • Combination of PDA’s and phones (Qualcomm, Kyocera)

    • Instant messaging, will become a standard feature

      • Text to speech technology

  • Wireless devices are projected to pass the 1 billion mark by 2003 (Gartner group)

  • Wireless connectivity market is projected to be worth $80bn by 2010 (Gartner group)


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Summary

  • Wireless Technologies are used to connect to the internet (CDMA, GSM, PDC)

  • WML is used to create WEB content for wireless devices

  • WAP protocol

    • Encapsulates WML

    • Transmits information to the wireless device over CDMA, GSM, PDC, etc.


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