Vacations P. Jayachitra

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One of the most important challenges in the Wireless Sensor Networks is to improve the performance of the network by extending the lifetime of the sensor nodes. So the focus is on obtaining a trade-off between minimizing the delay involved and reducing the energy consumption of the sensor nodes which directly translate to an extended lifetime of the sensor(More)
In this work, a novel clustering and aggregating algorithm is proposed to reduce energy consumption in wireless sensor networks (WSN) by focusing on regulating the inter-cluster traffic and data aggregation at the cluster heads. Previous works have aimed at reducing the intra-cluster traffic by choosing the node at the mean position inside as cluster head.(More)
Designing a multi-constrained QoS (Quality of service) communication protocol for mission-critical applications that seeks a path connecting source node and destination node that satisfies multiple QoS constrains such as energy cost, delay, and reliability imposes a great challenge in Wireless Sensor Networks (WSNs). In such challenging dynamic environment,(More)
This paper studies the optimal control of an N-policy M/Ek/1 queueing system with server breakdowns and multiple vacations. The server is turned on when N units are accumulated in the system. The server is turned off and takes a vacation with exponential random length whenever the system is empty. If the number of units waiting in the system at any vacation(More)
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