Data Allocation on Wireless Broadcast Channels for Efficient Query Processing
IEEE Transactions on Computers
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Distributed and Parallel Databases
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Proceedings of the 5th ACM international workshop on Mobility management and wireless access
Near-optimal data allocation over multiple broadcast channels
Computer Communications
Energy-efficient tree-based indexing schemes for information retrieval in wireless data broadcast
DASFAA'11 Proceedings of the 16th international conference on Database systems for advanced applications: Part II
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In a wireless environment, the bandwidth of the channels and the energy of the portable devices are limited. Data broadcast has become an excellent method for efficient data dissemination. In this paper, the problem for generating a broadcast program of a set of data items with the associated access frequencies on multiple channels is explored. In our approach, we consider allocating index information and data items on multiple broadcast channels by extending the distributed indexing approach. Moreover, global data replication and local data allocation are performed to improve the average access time of all data items. Simulation is performed to compare the performance of our approach with an existing approach. The result of the experiments shows that our approach outperforms the existing approach.