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Location Based Information Services

Location Based Information Services. Project Partners Mohamed Elsewe Rahul Vaghela Srikanth Poranki. LBIS System. Providing location-based information like Hospitals/Medical Centers , Police stations, AAA services, etc. Using Global Positioning System.

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Location Based Information Services

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  1. Location Based Information Services • Project Partners • Mohamed Elsewe • Rahul Vaghela • Srikanth Poranki

  2. LBIS System • Providing location-based information like • Hospitals/Medical Centers , Police stations, AAA services, etc. • Using Global Positioning System. The incorporation of GPS receivers into mobile phones, required by the U.S. Federal Communications Commission (FCC) beginning in October 2001 allows wireless service providers to provide their mobile users with location-based service information. • The service will support hand-held devices like • Laptop, Cellular phone, Palm Pilots

  3. Why Middleware architecture for LBIS? • Service of this type will require dealing with a variety of platforms (Interoperability / Heterogeneity) • for a variety of Operating Systems, Programming Languages, and Database Systems. • Scalability – Real-time application expects a heavy load of service users. • Efficiency / Fault tolerance - A “must” when providing Emergency Services. • Common interface to allow the mobile user to access databases from a variety of providers.

  4. Why CORBA? • Compared to COM or EJB - proven wider reach. • COM - only works on Microsoft platform. • EJB - has dependencies. - total interoperability is questionable. • CORBA - platform- and language- independent. - widely accepted standard by large corporations. - Flexible communication channel - ORB can be modified as per requirements using policies. Most importantly, communication can be made secure.

  5. Research • Suitable ORB (Visibroker, IDLJ). • Market Demand for the service. • Real-time support for the service. • Services available in the market. • WML interface and use of WAP for the service.

  6. Logical Flow of System Operation • Mobile Unit / Hand-held device has continuous communication with the GPS System. • When a request is made, location parameters are provided to the LBIS system through the mobile unit. • LBIS system - a decision-making component which routes the request in accordance to the location. - info-retrieving component which mines the respective database and provides the output at client.

  7. Simulation Goal • To allow the mobile user seamless, provider-independent, and location-based information wireless services. • The mobile roaming user should be able to access the location-based services provided by another wireless provider outside his/her coverage area. Currently, this service is not available between wireless service providers.

  8. Technologies Used • Middleware Architecture - CORBA • ORB - IDLJ (provided in jdk1.3) • Programming Language: Java • Database - MS ACCESS • DB Connectivity - JDBC-ODBC Bridge • User Interface - JSP, HTML • Web Server/JSP Engine - ORION

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