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The authors propose extended versions of two data propagation protocols: the Sleep-Awake Probabilistic Forwarding (SW-PFR) protocol and the Hierarchical Threshold-Sensitive Energy-Efficient Network (H-TEEN) protocol. These nontrivial extensions aim at improving the performance of the original protocols by introducing sleep-awake periods in the PFR case to save energy and introducing a hierarchy of clustering in the TEEN case to better cope with large network areas. The authors implemented the two protocols and performed an extensive comparison via simulation of various important measures of their performance with a focus on energy consumption. Data propagation under this approach exhibits high fault tolerance and increases network lifetime.<\/jats:p>","DOI":"10.1177\/0037549705056220","type":"journal-article","created":{"date-parts":[[2005,8,15]],"date-time":"2005-08-15T09:33:31Z","timestamp":1124098411000},"page":"399-411","source":"Crossref","is-referenced-by-count":12,"title":["Power-Efficient Data Propagation Protocols for Wireless Sensor Networks"],"prefix":"10.1177","volume":"81","author":[{"given":"Azzedine","family":"Boukerche","sequence":"first","affiliation":[{"name":"SITE University of Ottawa, Canada,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ioannis","family":"Chatzigiannakis","sequence":"additional","affiliation":[{"name":"Computer Technology Institute and Department of Computer Engineering and                         Informatics, University of Patrasm, 26500 Patras, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sotiris","family":"Nikoletseas","sequence":"additional","affiliation":[{"name":"Computer Technology Institute and Department of Computer Engineering and                         Informatics, University of Patras, 26500 Patras, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2005,6,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1016\/S1389-1286(01)00302-4"},{"key":"atypb2","first-page":"1003","volume-title":"9th International Conference on Parallel and Distributed Computing (EUROPAR 2003), Lecture Notes in Computer Science vol. 2790","author":"Chatzigiannakis, I."},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1142\/S0129626403001550"},{"key":"atypb4","first-page":"225","volume-title":"3rd International Workshop on Mobile, Ad-hoc and Sensor Networks (WMAN 2003)","author":"Chatzigiannakis, I."},{"key":"atypb5","first-page":"9","volume-title":"2nd ACM International Annual Workshop on Principles of Mobile Computing (POMC 2002)","author":"Chatzigiannakis, I."},{"key":"atypb6","doi-asserted-by":"publisher","DOI":"10.1023\/B:MONE.0000048551.54039.f0"},{"key":"atypb7","doi-asserted-by":"publisher","DOI":"10.1145\/345910.345920"},{"key":"atypb8","first-page":"195b","volume-title":"2nd International Workshop on Parallel and Distributed Computing Issues in Wireless Networks and Mobile Computing (WPIM 2002)","author":"Manjeshwar, A."},{"key":"atypb9","first-page":"8","volume-title":"ACM Workshop on Performance Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks (PEWASUN 2004)","author":"Chatzigiannakis, I."},{"key":"atypb10","first-page":"344","volume-title":"5th European Wireless Conference on Mobile and Wireless Systems beyond 3G (EW 2004)","author":"Chatzigiannakis, I."},{"key":"atypb11","first-page":"174","volume-title":"5th ACM\/IEEE Annual International Conference on Mobile Computing (MOBICOM 1999)","author":"Heinzelman, W. 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