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    题名: An Efficient Algorithm for Near Optimal Data Allocation on Multiple Broadcast Channels
    作者: 陳良弼
    Chih-Hao Hsu;Guanling Lee;Arbee L. P. Chen
    贡献者: 資科系
    关键词: Wireless Environment;Multiple Broadcast Channels;Data Allocation,;Broadcast Program
    日期: 2005
    上传时间: 2014-08-21 14:54:59 (UTC+8)
    摘要: Abstract 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 ofa set of data items with the associated access frequencies on multiple channels is explored. In our approach, a minimal expected average access time of the broadcast data items is first derived. The broadcast program is then generated, which minimizes,the minimal ,expected ,average ,access time. Simulation is performed ,to compare ,the performance,of our,approach with two existing approaches. The result of the experiments,shows that our approach outperforms others and is in fact close to the optimal.
    關聯: Distributed and Parallel Databases (EI,SCI),18(3),207-222
    数据类型: article
    DOI 連結: http://dx.doi.org/10.1007/s10619-005-4949-9
    DOI: 10.1007/s10619-005-4949-9
    显示于类别:[資訊科學系] 期刊論文

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