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Due to limited battery power, the most important issue in mobile computing is energy saving. The energy efficiency can be achieved through indexed data organization over wireless channels. In this paper, the authors explore the balanced and imbalanced index tree with varying fanout over skewed data. They purpose a varying fanout indexing technique with replication for skewed data over a single wireless communication channel. The proposed indexing technique is compared and analyzed with the fixed fanout indexing technique for skewed data over a single wireless channel. The result shows the decrease in directory miss and the depth of the tree is also reduced.
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