Data Dissemination Model Based on Confidence Coefficient in Wireless Sensor Networks

doi:10.13190/jbupt.200606.98.244

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2006, Vol. 29 ›› Issue (6): 98-102.doi: 10.13190/jbupt.200606.98.244

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Data Dissemination Model Based on Confidence Coefficient in Wireless Sensor Networks

TIAN Le, XIE Dong-liang, ZHANG Lei, CHENG Shi-duan

Broadband Network Research Center, Beijing University of Posts and Telecommunications , Beijing 100876,China

Received:2005-12-13 Revised:1900-01-01 Online:2006-12-30 Published:2006-12-30
Contact: TIAN Le

Abstract

Abstract:

Energy of nodes in wireless sensor networks (WSNs) was spent on delivering the packets mostly. In order to decrease the number of packets, but not increase the time delay simultaneously, a model of data dissemination based on confidence coefficient was presented. Confidence coefficient was generated by the node based on the data sensed, and represented the authenticity and importance of the data. A backoff algorithm and a transmission filter based on the confidence coefficient were designed also. Extensive simulations testified that the model was effective in decreasing energy consumption of the node and time delay of the important data.

Key words: wireless sensor networks, confidence coefficient, backoff algorithm, transmission filter

CLC Number:

TP393.02

TIAN Le, XIE Dong-liang, ZHANG Lei, CHENG Shi-duan. Data Dissemination Model Based on Confidence Coefficient in Wireless Sensor Networks[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(6): 98-102.

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Data Dissemination Model Based on Confidence Coefficient in Wireless Sensor Networks

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