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ATIM (Ad hoc traffic Indication Message) window can be used effectively to enhance the potential energy savings at static sensors nodes during data dissemination in wireless sensor networks. Doze and awake are two states a sensor node may be in during ATIM window. We consider a traditional wireless sensor network system consisting of resource-rich static sink and resource-constrained multiple static...
We propose a four-layer architecture model (FLAM) to obtain the potential energy savings for sensor nodes in large scale wireless sensor networks. The very first layer, the bottom layer is a network of a resource-constrained sensor nodes deployed in the field. The second layer is ad hoc network formed by resource-rich dynamic sink nodes, also knows as cluster sink nodes. The third layer consists of...
We illustrate the effective use of ATIM (ad hoc traffic indication message) window in static sensors to obtain potential energy savings for sensors during data dissemination in wireless sensor networks. The network consists of resource-rich mobile sink node and resource-constrained sensor nodes forming a square grid. Sink may be multihop away from the sensor nodes and in order to collect the data,...
We propose a three-layer architecture model (TLAM) for wireless sensor networks. The first layer (bottom layer) consists of a network of resource-constrained sensor nodes deployed in the field. The second layer contains a set of resource-rich dynamic sink nodes forming an ad hoc network. The sinks at layer second are responsible to monitor and collect data from a region, called cluster. So the sinks...
Node churn can have a severe impact on the performance of P2P applications. In this paper, we consider the design of reliable P2P networks that can provide predictable performance. We exploit the experimental finding that the age of a node can be a reliable predictor of longer residual lifetime to develop mechanisms that organize the network around these more reliable nodes. We propose two protocols,...
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