While a remarkable effort has been put in developing indoor spatial awareness systems, they are still isolated efforts that are tailored to specific deployments. A truly ubiquitous indoor spatial awareness system is envisioned to be deployed on a large scale worldwide, with minimum overhead, and to work with the heterogeneous IoT devices. Such a system will enable a wide set of new applications including worldwide seamless direction finding between indoor locations, anywhere anytime health monitoring, enhanced first responders' safety, and providing richer context for indoor mobile computing applications. In this paper, we describe our vision and work towards achieving ubiquitous indoor spatial awareness systems as well as the open challenges that need to be addressed to materialize this dream.
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Elhamshary et al. (2017) studied this question.
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