A Distributed Location System for the Active OfficeOutlineIntroductionLocation TechnologySlide 5Slide 6Slide 7Slide 8Location System ArchitectureLocation System DesignLocation System ImplementationApplications Using LocationApplications Using Location & InputThe Active OfficePowerPoint PresentationCSCI 599 - Intelligent Embedded Systems, Spring 20021A Distributed Location System for the Active OfficeAndy Harter, Andy HopperCSCI 599 - Intelligent Embedded Systems, Spring 20022Outline Introduction Location Technology Location System Architecture Location System Design Location System Implementation Applications Using Location Applications Using Location and Input The Active OfficeCSCI 599 - Intelligent Embedded Systems, Spring 20023IntroductionIssue of location of people and equipment within an organizationDesign of a distributed system service supporting access to location informationCSCI 599 - Intelligent Embedded Systems, Spring 20024Location TechnologyIntroduction- Topology of a fixed network of wireless receivers is the basis - Granularity of location information controlled by density of receiversCSCI 599 - Intelligent Embedded Systems, Spring 20025Location Technology Room scale location- IR Base Sensors, Low Data Rate of 9600 baudCSCI 599 - Intelligent Embedded Systems, Spring 20026Location TechnologyLocating People, Equipment- Active BadgeCSCI 599 - Intelligent Embedded Systems, Spring 20027Location TechnologyDesk scale location- Hybrid radio/infra red schemeCSCI 599 - Intelligent Embedded Systems, Spring 20028Location Technology Properties:- Spatial & Temporal granularity- Information has real time element- Information is regularly broadcastCSCI 599 - Intelligent Embedded Systems, Spring 20029Location System Architecture Location Naming Transaction management Distribution modelsCSCI 599 - Intelligent Embedded Systems, Spring 200210Location System DesignCSCI 599 - Intelligent Embedded Systems, Spring 200211Location System Implementation Distributed System Support- RPC as communication paradigm- The Trader System Management- Robust Implementation- Tolerance to infrastructure failureCSCI 599 - Intelligent Embedded Systems, Spring 200212Applications Using LocationPresentation and security based, PandoraGlobal communication service, finger PagingCSCI 599 - Intelligent Embedded Systems, Spring 200213Applications Using Location & Input Application Control using Active BadgeTransportable desktops, relocatable user X sessionsContextually aware mobiles, Quaderno, PARCTABCSCI 599 - Intelligent Embedded Systems, Spring 200214The Active Office Contexts must be maintained automatically using location technology Issues of privacy and security to be addressed in distributed mobile systems architectureCSCI 599 - Intelligent Embedded Systems, Spring
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