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This paper describes a TDOA-based positioning system by means of ultra-wideband impulse radio (UWB-IR). The system consists of three reference nodes and a location server. One of the reference nodes transmits an impulse signal to other reference nodes for synchronizing them immediately after receiving an impulse signal sent from a target node. Thus, no additional component for the synchronization...
Industrial wireless sensor network have emerged as an interesting and important research area in the last few years. Time synchronization is required for consistent distributed sensing and industrial control. In order to realize united time, the united time service system or the time server must be established. Based on industrial wireless sensor networks, information fusion automatically analyzes...
Time synchronization plays a key role in the wireless sensor networks (WSN).High precise time synchronization is all application foundation in distributed control systems. In order to realize united time, the united time service system or the time server must be established. Based on wireless sensor networks, information fusion automatically analyzes and monitors information under the certain criterion,...
The objective of Synchronization In wireless sensor network is to synchronize the various sensor nodes which are distributed as well as moving in a network. Synchronization is an important problem in communication networks especially for real time applications. There may be one base station of 1000 sensor nodes moving in the network. Synchronization is considered a particularly difficult in wireless...
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