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Much research has addressed indoor localization by integrating portable/wearable sensing and communication technologies. While GPS has dominated the outdoor environments, indoor localization schemes have to consider different observations, such as radio-frequency signals, vision or motions data, and apply data fusion to combine various sensor inputs. In this paper, we observe that when two devices...
The demands on indoor localization services have grown explosively due to increasing popularity of mobile devices. Though various techniques based on wireless signals have been proposed, the new Bluetooth 4.0 and 4.1 technologies introduce both opportunities and challenges for localization. Like all wireless signals, the fluctuations caused by hardware conditions and environmental dynamics may deteriorate...
Smart devices have become essential in modern world. Nowadays, people conduct various social activities on smart devices, such as exchanging name cards, slides, or files. Traditionally, it would require URLs or flash drives to achieve this goal. However, these conventional means lack intuitive physical interaction and are sometimes hard to perform on smart devices, especially when people wish to interact...
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