A frequency-aware data-centric mechanism for wireless sensor networks
學年 99
學期 1
出版(發表)日期 2010-08-01
作品名稱 A frequency-aware data-centric mechanism for wireless sensor networks
作品名稱(其他語言)
著者 Chang, Chih-Yung; Sheu, Jang-Ping; Chang, Sheng-Wen; Chen, Yu-Chieh
單位 淡江大學資訊工程學系
出版者 Oxford: John Wiley & Sons Ltd.
著錄名稱、卷期、頁數 Wireless Communications and Mobile Computing 10(8), pp.1078-1101
摘要 Wireless sensor networks (WSNs) are characterized by their low bandwidth, limited energy, and largely distributed deployment. To reduce the flooding overhead raised by transmitting query and data information, several data-centric storage (DCS) mechanisms are proposed. However, the locations of these data-centric nodes significantly impact the power consumption and efficiency for information queries and storage capabilities, especially in a multi-sink environment. This paper proposes a novel dissemination approach, which is namely the dynamic data-centric routing and storage mechanism (DDCRS), to dynamically determine locations of data-centric nodes according to sink nodes' location and data collecting rate and automatically construct shared paths from data-centric nodes to multiple sinks. To save the power consumption, the data-centric node is changed when new sink nodes participate when the WSNs or some queries change their frequencies. The simulation results reveal that the proposed protocol outperforms existing protocols in terms of power conservation and power balancing.
關鍵字 data query;data-centric storage;data dissemination;wireless sensor networks;path sharing
語言 en
ISSN 1530-8669; 1530-8677
期刊性質 國外
收錄於 SCI
產學合作
通訊作者 Chang, Chih-Yung
審稿制度
國別 GBR
公開徵稿
出版型式 紙本
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