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Power saving is always a critical issue in wireless sensor networks (WSNs). To reduce power consumption, utilizing duty cycling, i.e., sensor nodes switching to sleeping mode for most of the time, is commonly used in WSNs. However, sensor nodes may not be able to stay awake simultaneously to communicate with each other if their active periods are not properly scheduled. That is, a sensor node may...
Prolonging network lifetime is always a critical issue in wireless sensor networks (WSNs). To reduce energy consumption, utilizing duty cycling, i.e., sensor nodes switching to sleeping mode for most of the time, is a common strategy in WSNs. However, without properly scheduled, sensor nodes may not be able to stay awake simultaneously to communicate with each other. That is, nodes may not have a...
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