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Many intelligent transportation systems (ITS) in cities with developed economies are making use of mobile technology as data sources (e.g., many crowd-sourced traffic-related applications) to improve the quality and efficiency of transportation networks. Often, these data sources are used to supplement existing traffic monitoring equipment (e.g., ground-loop detectors, traffic cameras), to provide...
Mobile devices often operate in resource constrained envi- ronments with intermittent connectivity, bandwidth, bat- tery power, etc. On these devices, existing cooperative con- tent sharing protocols and models (e.g. Peer to Peer and client-server) present major drawbacks. Presently, a user has to maintain the connection between the peers when down- loading content. For instance, when a large multimedia...
Driving in developing cities presents numerous challenges. Traffic congestion and traffic accidents are the most visible challenges which are caused by different underlying factors. Two chief factors are poorly planned and maintained roadway infrastructure and the decisions made by the drivers. Drivers are constantly forced to negotiate road hazards, like potholes, unlabeled speed bumps as well as...
Computation, networking and controls are in the midst of a true transformation. Previously it was assumed that delays in network communication would inhibit control systems from leveraging networked resources such as remote compute power. Now, industrial and residential applications of the Internet of Things force us to revisit principled deployment and support of distributed sensing and actuation...
Maintaining a map of an environment that changes over time is a critical challenge in the development of persistently autonomous mobile robots. Many previous approaches to mapping assume a static world. In this work we incorporate the time dimension into the mapping process to enable a robot to maintain an accurate map while operating in dynamical environments. This paper presents Dynamic Pose Graph...
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