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For the problem of the confliction and interference between the signals transferred by the sensors can't be solved very well by the distributed scheduling transfer protocols, a new center scheduling and optimizing method based on the whole topology information of the WSN is proposed here. First get the line graph from the node graph of the network, and then find all the link sets that contain the...
TDMA has been proposed as a MAC protocol for wireless sensor networks (WSNs) due to its efficiency in high WSN load. However, TDMA is plagued with shortcomings; we present modifications to TDMA that will allow for the same efficiency of TDMA, while allowing the network to conserve energy during times of low load (when there is no activity being detected). Recognizing that aggregation plays an essential...
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