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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/45268


    Title: TARP: A traffic-aware restructuring protocol for Bluetooth radio networks
    Authors: Chang, Chih-yung;Chang, Chao-tsun
    Contributors: 淡江大學資訊工程學系
    Keywords: Bluetooth;Scatternet;Piconet;Role switch;Restructuring protocol
    Date: 2007-10-10
    Issue Date: 2010-03-26 18:54:08 (UTC+8)
    Publisher: Amsterdam: Elsevier BV * North-Holland
    Abstract: Bluetooth is a low-cost and short-range wireless communication technology. The Bluetooth device randomly searches and connects with other devices using the inquiry/inquiry scan and the page/page scan operations, resulting an uncontrolled scatternet topology. The unpredictable scatternet topology usually raises the problem of redundant traffic and causes inefficient communications. A traffic-aware restructuring protocol (TARP) is presented for partially restructuring a piconet or a pair of two neighboring piconets by applying role switch mechanism. The proposed TARP mainly consists of intra-piconet and inter-piconet restructuring protocols. According to the recent routes and their traffic load information, the intra-piconet restructuring protocol adjusts piconet structure by selecting the proper device to play a master role of a piconet and applies takeover operation to rapidly restructure the piconet topology. The inter-piconet restructuring protocol exchanges devices of two neighboring piconets to reduce the route length and thus improve the power and bandwidth consumptions and the end-to-end transmission delay. Performance results reveal that the proposed restructuring protocols reduce path length of recent routes and save power consumption, thus significantly improve the performance for a given connected scatternet.
    Relation: Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005. IEEE 16th International Symposium on, 3, pp.4070-4091
    DOI: 10.1016/j.comnet.2007.04.010
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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