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Distributed Sequential Detection using Censoring Schemes in Wireless Sensor Networks

This thesis considers the problem of distributed sequential detection in wireless sensor networks (WSNs), where the number of operating sensors is unknown to the fusion center. Since the energy and bandwidth of communication channel are limited in WSNs, we employ the censoring scheme in the sequential detection to achieve energy-efficiency and low communication rate. Specifically, we show by simulations that employing censoring scheme can reduce the number of local decisions that required for the fusion center to make a final decision. The results implies that the energy conservation does not necessary degrade the performance of sequential detection in terms of the expected local decisions required for making a final decisions.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0905108-184019
Date05 September 2008
CreatorsKang, Shih-jhang
ContributorsChao-Tang Yu, Chih-Peng Li, Tsang-Yi Wang
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0905108-184019
Rightsnot_available, Copyright information available at source archive

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