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Data broadcast for time-constrained read-only transactions in mobile computing systems

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3 Author(s)
Kam-Yiu Lam ; Dept. of Comput. Sci., City Univ. of Hong Kong, Kowloon, Hong Kong ; E. Chan ; Chun-Hung Yuen

In this paper we propose broadcast algorithms, based on the policies proposed in previous studies, to disseminate data items to time-constrained read-only transactions. In the proposed algorithms, the number of data items requested by a transaction will be considered explicitly in selecting the data items for broadcast. The purpose of the algorithms is to reduce the number of transactions missing their deadlines, and to minimize their mean response time. A detailed simulation model of a mobile computing system has been developed and extensive simulation experiments have been performed to study the performance characteristics of the proposed broadcast algorithms, and the results show that our broadcast algorithms outperform previously proposed algorithms

Published in:

Advance Issues of E-Commerce and Web-Based Information Systems, WECWIS, 1999. International Conference on

Date of Conference:

Aug 1999