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A Broadcast Data Allocation Scheme for Multiple-Data Queries Using Moving Average of Data Access Probability

Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.14, No. 5)

Publication Date:

Authors : ;

Page : 35-43

Keywords : Data allocation; broadcast schedule; moving average; simulation;

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Abstract

A data allocation technique is essential to improve the performance of data broadcast systems. This paper explores the issues for allocating data items on broadcast channels in the environment where multiple-data queries are submitted, and proposes a new data allocation scheme named DAMA. The proposed scheme employs the strategy that the broadcast frequency of each data is determined by the moving average of its access probability. DAMA could enhance the performance of query response time since it is capable of controlling the influence of access probability properly according to the query size. Simulation is performed to evaluate the performance of the proposed scheme. The simulation results show that the performance of DAMA is superior to other schemes in terms of the average response time.

Last modified: 2016-01-19 13:35:59