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MobiCom poster: the personal router

The Personal Router Project explores the technical challenges associated with creating open interfaces to wireless services. Our project enables users to dynamically and automatically choose between wireless services based upon requirements and prices. Our goals are (1) to create an open, competitive market in which small and large providers may easily offer customized wireless services and (2) provide users with convenient access to these services through a small personal router. Our poster illustrates our system architecture and presents a selection of the research problems we are pursuing. A personal router is a small, portable hardware platform that provides wireless network connectivity for users' communication requirements. The personal router negotiates services with wireless providers and continuously selects the most appropriate as applications and user requirements change. Service selection is based upon algorithms that incorporate learned user preferences, application requirements, service profiles and price information. Other functionality includes providing authentication and security services for the associated personal devices. Our project is motivated by the shortcomings of current models of wireless service. Changing between wireless services requires manual reconfiguration, purchasing new devices, swapping network or SIM cards, or waiting until long-term contracts expire. Services are only provided by regional or national providers (such as cellular networks and 802.11 hot-spots) or by local institutions (such as wireless LANs). Users are bound technologically and contractually to these single means of network access. Research in many areas is required to build our personal router and enable choice among wireless services. Important problems include: