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5G assisted driving applications demand the provision of centimetre-accurate positioning. Automated vehicles typically use several positioning systems, such as radars, cameras and sensors, in addition to Global Navigation Satellite Systems (GNSS). This is necessary to ensure integrity and reliability, as well as precise positioning. The deployment of 5G cellular networks along roads are envisaged...
This paper presents a hyperbolic distance measurement model where the difference between the distances from a normal node to two anchors is defined as the sum of the difference between the distances from another anchor to the anchors and an error. A hyperbolic range-free localization algorithm is then introduced based on the proposed model for anisotropic networks. The proposed algorithm estimates...
Localization is an important problem for wireless sensor networks (WSN). The localization can be categorized as range-free or range-based schemes. Since the sensor nodes are made to be cheap and small, the range-based schemes that use special devices for measurements are unsuitable in WSN. DV-Hop is one of the range-free localization algorithms using average hop-distance and number of hop counts....
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