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Cable tension force is one of the most important criteria for assessing the work condition of a cable-stayed bridge. As a result, it is necessary to be monitored during operation. Rapid development of wireless sensor network (WSN) technology makes it possible to realize cable tension monitoring conveniently. In this paper, a wireless sensor network based monitoring system was proposed for cable tension...
In this paper, we present mobile sinks with energy-efficient sink location service protocol for wireless sensor networks. The data is collected by mobile sinks in sensor networks. To make source built an efficiently forward data from a source node to a sink with minimal delay path, sink and source broadcast the information of their locations each other in different direction. We also propose a reduced...
Delay requirement becomes a key problem for the time sensitive applications in wireless sensor networks besides the power conservation issue. This paper proposes a novel network utility maximization (NUM) model with constrained delay for real-time applications in wireless sensor networks. By using dual decomposition techniques, we present a distributed iterative price and rate adaption algorithm which...
Energy efficiency is one of the most important design metrics for wireless sensor networks. As sensor data always have redundancies, compression is introduced for energy savings. However, in some cases, it is unlikely to be wise to trade computation energy for communication savings. In this paper, a novel node-level compression arbitration mechanism is proposed, which is applied to improve compression...
Power consumption is a critical concern in communications over wireless sensor networks (WSN). In this paper, we address the rate-allocation problem for Slepian-Wolf coding of multiple correlated sources. The goal is to find the optimal rate-point that allows lossless reconstruction of the sources, while minimizing the overall transmission power consumption of the WSN under an exponential cost model...
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