Hai-Jiang Xie

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Barrier coverage is an important problem for sensor networks to fulfill some given sensing tasks. Barrier coverage guarantees the detection of events happened crossing a barrier of sensors. In majority study of barrier coverage using sensor networks, sensors are assumed to have an isotropic sensing model. However, in many applications such as monitoring an(More)
Indoor localization is of importance for many applications. Crowdsourcing individual users' measurements can provide accurate localization without costly site-survey. However, crowdsourcing based approaches suffer from the cold start problem, in which at the beginning of system deployment, there are insufficient users to contribute their measurements,(More)
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