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This paper describes the design of the automated data measuring system of technical electric energy metering based on a network of autonomous wireless current sensors. The detailed information of the energy consumption of the technical object read from the proposed sensors and processed with the information part enables taking justified decisions on energy saving. The hardware of the measuring system...
A critical aspect of applications with WSNs is increase the sensor nodes lifetime. Power constrained WSNs are useable such as they can communicate sensed data to a processing node. Communication and sensing consume energy therefore energy saving and improving lifetime of WSNs can be achieved by scheduling of sensor nodes. In scheduling allow sensor nodes can interchange its state into idle, sleep...
Most of wireless sensor networks (WSN) research topics consider how to save the energy of the sensor nodes. However, in some applications of WSN, such as in the monitoring of an earthquake or forest wildfire, transmitting emergency data packets to the sink node as soon as possible is much more important than saving power. In this paper, we propose a Priority-based Hybrid Protocol (PHP) WSN model to...
In clustering wireless sensor networks, cluster-head nodes are backbone network to process and transmit data. Vast intra-cluster nodes obtain sleep, reduce data delay, lighten cluster head burden. In this paper, we derived the smallest active node number K, and achieved a new intra-cluster active nodes scheduling algorithm. The experimental results show that the result of the algorithm in saving energy...
Wireless sensor networks consist of a large number of sensor nodes with limited power and resource. To prolong network lifetime, the energy consumption must be somehow reduced. In this paper, we propose a localized density control algorithm for energy savings. The goals are to maintain a minimal number of active sensor nodes and to reduce radio-traffic intensity while conserving the sensing coverage...
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