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Location Dependent Service and Privacy

Location Dependent Service and Privacy. J-Phone East Co., Ltd. Kentaro Meiseki Atsushi Wada Hiroshi Ohta. J-Phone East. Japanese mobile telephone carrier NTT DoCoMo, KDDI and J-Phone Develop non-voice service J-Sky Walker (E-mail) J-Sky Web (WWW) Start J-Sky Station September 2000

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Location Dependent Service and Privacy

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  1. Location Dependent Service and Privacy J-Phone East Co., Ltd. Kentaro Meiseki Atsushi Wada Hiroshi Ohta

  2. J-Phone East • Japanese mobile telephone carrier • NTT DoCoMo, KDDI and J-Phone • Develop non-voice service • J-Sky Walker (E-mail) • J-Sky Web (WWW) • Start J-Sky Station September 2000 • Location Dependent Push Service • Use cell broadcast technology

  3. J-Sky “Station” • Information is sent to handset periodically and stored • Information can be cell-unique so user can receive location dependent information contents provider basestation handset

  4. “Station” Contents • news • weather • restaurant information • concert ticket information • game • described by HTML subset language • can access web directly by clicking link

  5. How it works • Use cell broadcasting technology • Cell-unique information is stored in each cell of a base station • Push the information and base station’s position data to a user’s handset periodically

  6. Current privacy consideration • Basically information is provided to user “one-way” , so contents provider cannot collect user’s profile • Contents provider may get user’s location data when user respond to the information • click link or input message from form

  7. Future • Privacy becomes more important, critical issue as we are planning to develop more user specific and interactive service using stored location information • e.g. • Scheduler • Personalized advertisement • Instant Messaging with Location Information

  8. Requirements (general) • Global privacy consensus • familiar with XML as we are also interested in XHTML technology • Simple and compact description • Less transaction • wireless network is not broadband

  9. Requirements (service aspect) • Easy to view, accept/reject privacy policies from handset • User unconscious location notification for trusted web site • cache or automatically send user’s preference • P2P privacy information exchange framework • handset to handset

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