This research defines a model to assess the probability of collecting the data in the tree WSNs based on standard IEEE 802.15.4 MAC layer by assessing the probability of success (PS) by the extension. Nodes The probability of getting data in each group P (x = k) and a node P (x ≥ k), respectively, showed the model to analyze patterns of physical nodes in the assembly. Information gathered
a group of researchers created a model for WSNs many dances based on Monte Carlo simulation valuation PS from a random number of nodes that can be found in each group, as a guide to analyze and improve reliability. WSNs multi-hop transmission is analyzed, the probability of collecting the number of nodes that transmit data successfully sink node by calculating the probability function. (A function of the probability density), the forecast predicts the behavior of gathering information on the network. To determine the distribution of the information received. The result shows the format of data collection in each group based on the size of the group will be affected to a greater size. But the number of nodes in the cluster
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