Kevin Dorling

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— Over its lifetime, a Wireless Sensor Network (WSN) loses connectivity as more and more of its battery-powered nodes fail. In this paper, we study how to repair such a network by the gradual deployment of new sensor nodes. We provide algorithms that not only economically adjust the number of replaced nodes but also improve the network by placing the new(More)
—Compared to direct transmission, cooperative relaying can substantially decrease the receiver's Signal-to-Noise Ratio (SNR) threshold to reach a given error rate. These SNR gains can be utilized to improve the error rate, energy consumption, or spectral efficiency of a wireless network. Focusing on practical half-duplex relaying, we derive the outage(More)
— Deploying wireless sensor networks (WSNs) from unmanned aerial vehicles (UAVs) can reduce the cost of large rollouts and make it safer to deploy sensors in disaster areas. However, aerial deployment can lead to nodes with arbitrary orientations and, thus, to misaligned antennas. While this problem was observed during experiments, it has not been(More)
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