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In vehicular ad hoc networks (VANETs), the wireless communication link is fragile because of vehicles' fast moving characteristics, which has facilitated extensive researches on vehicle-to-vehicle (V2V) link properties in recent decade. However, many applications need infrastructure's assistance, leading to that a link's actual characteristic is jointly determined by both direct V2V and vehicle-to-infrastructure...
Target Tracking is one of the most important issues in wireless sensor networks. In a densely deployed wireless sensor networks (WSNs), all sensors participating in the monitoring task can provide full coverage but might inefficiently consume their energies if the target did not enter the region. This paper proposes an energy-saving and quality-guaranteed target tracking mechanism, called EQTT, which...
Wireless sensor networks (WSNs) are characterized by their low bandwidth, limited energy, and largely distributed deployment. To reduce the flooding overhead raised by transmitting query and data information, several data-centric storage mechanisms are proposed. However, the locations of these data-centric nodes significantly impact the power consumption and efficiency for information queries and...
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