Reprogramming over the air is important for maintaining a wireless sensor network. Traditional reprogramming approaches assume always-on link layers. Given the energy limitation of sensor nodes, always-on link layers are often not desired for most ...
This article studies clustered wireless sensor networks (WSNs), a realistic topology resulting from common deployment methods. We study coverage in naturally clustered networks of wireless sensor nodes, as opposed to WSNs where clustering is facilitated ...
One important issue in wireless sensor networks is how to gather sensed information in an energy efficient way since the energy is a scarce resource in a sensor node. Many protocols have been proposed for data-gathering between wireless sensor nodes. ...
Association for Computing Machinery
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