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In this paper, we introduce a novel algorithm aiming at maximizing the transmission capacity in wireless sensor networks (WSNs). Based on the Dijkstra algorithm and the max-flow theorem, the proposed algorithm solves the contradiction between the path length and forwarding capacity of various nodes, and thus scales up the relay capacity in terms of the number of transmitted packets from the source...
Topology structure for UAWSN has to be of general characters of WSN not only, but also consider the limited communication range and cell energy, the effect of single damaged cell to the whole network and so on. This paper analyzes the energy efficiency for UAWSN theoretically and then presents the simulation results for square and triangle topology structures with different network scale. All these...
Coastline extraction from remote sensing images has become an indispensable means in island coastal remote sensing survey, which plays a very important role in automatic navigation, targeting and mapping work. Image segmentation and boundary extraction are important ways to obtain the position of coastline. And active contour model has become an important tool for image segmentation and boundary extraction...
The probabilistic diagnosis model is useful in many fields such as distributed network, digital system level testing, wafer fault testing. Some topologies and continuous defect units distributions are studied in the previous work. In this paper, we extend the model to arbitrary topology structure with share nodes and to the discrete defect distributions, such as Poission distribution and binomial...
This paper proposed a topology clustering scheme based on genetic algorithm (GACluster) to improve the topology clustering performance in the course of constructing the hierarchical overlay multicast. The scheme firstly constructed the clustering feature space by normalizing the two routing metrics (overlay path delay and overlay node access bandwidth), and then implemented genetic algorithm for the...
This paper compared the clustering performance of the proposed FCM-based clustering scheme with HCM to the hierarchical topology optimization in overlay multicast. The paper firstly depicts the proposed scheme including 1) defining the clustering feature distance based on overlay path latency, 2) calculating the Euclidean distance within each pair of overlay nodes to construct the fuzzy membership...
The routing topology optimization is one focus of overlay multicast research. To improve the routing scalability issue, this paper proposed an improved multicast routing protocol based on fuzzy clustering (FHRouting) to construct a hierarchical topology tree for the routing optimization in overlay network. The scheme firstly formulated the issue as a degree-restraint minimal latency optimization and...
This paper proposed a dynamic fuzzy clustering scheme with adaptive fuzzy threshold to the hierarchical topology optimization in overlay multicast. The scheme firstly normalized the two routing metrics - overlay path delay and overlay node access bandwidth-- to comprise the clustering feature vector, and then calculated the Euclidean distance within each pair of overlay nodes to construct the fuzzy...
To solve the topology cluster detection in the multicast routing optimization, this paper proposed a weighted fuzzy clustering algorithm for the mixed data set indicating two different routing metrics. The scheme first normalized the related routing metrics to comprise the feature vector, and then weighted the features in the fuzzy membership matrix corresponding to their related importance to the...
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