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Traditional positioning needs lots of measurements between the target and anchors. However, this requirement is faced with significant challenge in the most practical scenarios. The cooperation between mobile nodes is an effective solution. In order to avoid large computational complexity, we need to cooperate with neighbors selectively. This paper proposes a novel node selection algorithm based on...
With the development of mobile internet, protecting location privacy has already been an important issue. Based on previous studies and the drawback of traditional algorithms, the paper proposes a novel algorithm for protecting location privacy. The algorithm is based on the voronoi map of a road network, considers the problem of side-weight inference, and utilizes the information entropy as metrics...
Non-line-of-sight (NLOS) error is a bottleneck problem influencing positioning accuracy. However, a large number of scatterers distribute randomly in the surrounding of the mobile station (MS) in the dense multipath environment, such as urban. In most cases, there is no obstacle between scatterer and MS. So, the geographic information of scatterers around MS can be used to restraint NLOS errors and...
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