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Wireless sensor network data storage strategy

Author: LiXueWen
Tutor: XuYuBin；LiJianWei
School: Taiyuan University of Science and Technology
Course: Applied Computer Technology
Keywords: Wireless sensor networks Red-black tree Storage policy TinyDB
CLC: TP333
Type: Master's thesis
Year: 2010
Downloads: 100
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Abstract


Self-organizing wireless sensor networks are data-centric network , the user is interested in the wireless sensor network -aware data information , and rarely concerned with a single sensor or sensor networks , wireless sensor network database research has important theoretical and practical significance. This paper is the study of the the TinyDB system data storage strategy . TinyDB system is a wireless sensor network database , semantic routing tree as the the TinyDB system 's memory organization strategy needs to maintain a specific route structure is bound to add some extra data manipulation . In this paper, a storage strategy based on red-black tree , red-black tree as the TinyDB system storage structure , does not require maintenance of the specific structure of the routing node is required only partially achieve balance , reduce the node operation . For a red-black tree , whether it is the red-black tree to add , delete , or query , modify the operating time required are O (logn), as the number of nodes increases , the high - performance data manipulation rate, improve TinyDB data operation performance of the system . Finally, the establishment of a the TinyDB system model based on red-black tree , and through the establishment of the system model in the data on the the TinyDB systems based on red-black tree insert, delete , and query operations on the test . The test results show that , based on red-black tree TinyDB system , operating performance better than that in the data storage strategies of semantic routing tree .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Memory
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