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In order to prolong the network lifetime, energy-aware protocols should be designed to adapt the characteristic of wireless sensor networks. Clustering is a kind of key routing technique used to reduce energy consumption. In this paper, a new clustering algorithm MNLC (Maximum Network Lifetime Clustering Algorithm) for energy heterogeneous sensor networks is proposed. The algorithm uses distributed,...
In wireless sensor networks, the data-centric sensing task focuses more on the data reliability. In this paper, a reliable clustering algorithm RCVC (reliable clustering using virtual cluster-head) is proposed. It provides multipath for nodes in the network by using a set of redundant cluster-heads which are marked with a unique virtual identification. When the active cluster-heads fail, according...
Energy-efficient data gathering is a common but critical operation in many applications of wireless sensor networks. Clustering is a kind of key technique used to reduce energy consumption, which can decrease the communication load and prolong the network lifetime by means of similar data aggregation in the cluster-heads. In this paper, we propose a novel clustering algorithm which better suit the...
In actual data streams, there are lots of prefix-coded data, which widely existed in applications. What leads to non-ideal performance and clustering result is that the special treatment of these prefix-coded data structure is not considered in traditional clustering algorithm. To deal with this problem, a new concept of median-tree as well as a method of calculating the coding distance is proposed...
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