Spatially Aware Local Communication in the RAUM System

  • Felix Hupfeld
  • Michael Beigl
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1905)


In this paper, we propose a new paradigm for local communication between devices in Ubiquitous Computing environments, assuming a multitude of computerized everyday appliances communicating with each other to solve tasks. This paradigm is based on the concept that the location of devices is central for the communication in such a scenario. Devices define their communication scope by spatial criteria. In our paradigm no explicit addressing or identification of communication partners is used. In comparison to traditional communication methods the approach eases routing and discovery problems and can be deployed in a highly dynamic environment without centralized services. We use the term local communication as inter-device communication in a physically restricted local area. This is well distinguish from the terms telecommunication as communication over distance where location information is explicitly hidden. The communication model (RAUM) introduced is based on the observation that humans structure their environment primarily spatially. We show that spatially aware communication, is an efficient method communication in ubiquitous computing environments. We relate the communication architecture of the OSI/ISO reference architecture. An exemplary implementation that realizes a context information system is described. Based on this system several applications (Smart Doorplate, Communication with peripheral devices) have been implemented and evaluated.


Ubiquitous Computing Communication Partner Ubiquitous Computing Environment Lookup Service Spatial Criterion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • Felix Hupfeld
    • 1
  • Michael Beigl
    • 1
  1. 1.Telecooperation OfficeUniversität KarlsruheKarlsruheGermany

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