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The aim of this research is to enhance the performance of tree algorithm using mixed splitting algorithm. Binary tree is very efficient when the number of users is small. In case of large number of users, Ternary tree performs better than other algorithms. Therefore, this paper introduces mixed splitting algorithm. The details of this algorithm are as follows. When the number of the collided users is small, this algorithm will split the collided users into 2 groups. In case of large number of users, this algorithm will split the collided users into 3 groups. From the results, we found that the probability of success of the proposed algorithm tends to be higher than the Binary and Ternary algorithms. With this reason, the proposed algorithm performs superior performance than other algorithms.
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