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Channel allocation methods for data dissemination in mobile computing environments

Authors Lee, Wang-Chien
Hu, Qinglong
Lee, Dik Lun
Issue Date 1997
Source Proceedings of the 6th IEEE International Symposium on High Performance Distributed Computing, Portland, Oregon, IEEE Computer Society, Los Alamitos, CA, USA, Aug. 1997, p. 274-281
Summary This paper discusses several channel allocation methods for data dissemination in mobile computing systems. We suggest that the broadcast and on-demand channels have different access performance under different system parameters and that a mobile cell should use a combination of both to obtain optimal access time for a given workload and system parameters. We study the data access efficiency of three channel configurations: i) all channels are used as on-demand channels (exclusive on-demand), ii) all channels are used for broadcast (exclusive broadcast) and iii) some channels are on-demand channels and some are broadcast channels (hybrid). Simulations on obtaining the optimal channel allocation for lightly-loaded, medium-loaded, and heavy-loaded conditions were conducted and the result shows that an optimal channel allocation significantly improves the system performance.
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Language English
Format Conference paper
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