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    题名: Adaptive role switching protocol for improving scatternet performance in Bluetooth radio networks
    作者: 張志勇;Chnag, Chih-yung;Chang, Hsu-ruey
    贡献者: 淡江大學資訊工程學系
    关键词: Bluetooth;Role Switching;Scatternet;Piconet
    日期: 2006-11
    上传时间: 2010-03-26 19:07:02 (UTC+8)
    出版者: New York: Institute of Electrical and Electronics Engineers (IEEE)
    摘要: Bluetooth has been considered as a high potential technology for providing wireless communication in a home-networking environment. In a Bluetooth network, it is difficult to control or predefine a scatternet structure because that the scatternet is formed using a distributed procedure, with the master and slave connected at random. A badly structured scatternet exhibits the following characteristics. Firstly, too many bridges in the scatternet will create a guard slot overhead associated with bridge switching among the participated piconets, increasing the probability of packet loss. Secondly, too many piconets in a communicative range will cause packet collision and thus degrade the performance. Unnecessary piconets also lengthen the routing path and transmission delay. This work proposes a distributed scatternet reconstruction protocol for dynamically reorganizing the scatternet topology. By applying the role switching operation, the unnecessary bridges and the piconet can be dynamically removed and hence, improve the packet error rate, save guard slots, and reduce the average routing length. Experimental results reveal that the proposed protocol significantly improves the performance of a Bluetooth scatternet
    關聯: IEEE Transactions on Consumer Electronics 52(4), pp.1229-1238
    DOI: 10.1109/TCE.2006.273138
    显示于类别:[資訊工程學系暨研究所] 期刊論文


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