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It uses directional sensors instead of omnidirectional ones in the network for different applications, and the effective sensing range is characterized by directionality and size-specific sensing angle. Therefore, conditions of directional sensor networks are dissimilar to those of generic wireless sensor networks for researches, especially on the sensing coverage. This study proposed a distributed approach to enhance the overall field coverage by utilizing mobile and direction-rotatable sensors in a directional sensor network. The algorithm makes sensors self-redeploy to the new location and new direction without global information by utilizing the features of geometrical Voronoi cells. Simulations were used to evaluate and prove the effectiveness of the proposed algorithm. The results show that the approach contributes to significant field coverage improvement in directional sensor networks. <\/jats:p>","DOI":"10.1155\/2013\/165498","type":"journal-article","created":{"date-parts":[[2013,11,16]],"date-time":"2013-11-16T00:20:09Z","timestamp":1384561209000},"page":"165498","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":17,"title":["Distributed Voronoi-Based Self-Redeployment for Coverage Enhancement in a Mobile Directional Sensor Network"],"prefix":"10.1177","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7286-4113","authenticated-orcid":false,"given":"Tien-Wen","family":"Sung","sequence":"first","affiliation":[{"name":"Department of Electrical Engineering, Institute of Computer and Communication Engineering, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan"}]},{"given":"Chu-Sing","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, Institute of Computer and Communication Engineering, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan"}]}],"member":"179","published-online":{"date-parts":[[2013,11,13]]},"reference":[{"key":"B1-2013-165498","doi-asserted-by":"publisher","DOI":"10.1016\/j.comnet.2008.04.002"},{"key":"B2-2013-165498","doi-asserted-by":"publisher","DOI":"10.1016\/j.jnca.2011.11.016"},{"key":"B3-2013-165498","doi-asserted-by":"publisher","DOI":"10.4304\/jnw.5.9."},{"key":"B4-2013-165498","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2009.4907559"},{"key":"B5-2013-165498","doi-asserted-by":"publisher","DOI":"10.1155\/2009\/640386"},{"key":"B6-2013-165498","doi-asserted-by":"publisher","DOI":"10.1007\/s10878-006-5975-x"},{"key":"B7-2013-165498","doi-asserted-by":"publisher","DOI":"10.1016\/j.adhoc.2011.02.003"},{"key":"B8-2013-165498","doi-asserted-by":"publisher","DOI":"10.1016\/j.adhoc.2007.05.003"},{"key":"B9-2013-165498","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-22450-8_16"},{"key":"B10-2013-165498","doi-asserted-by":"publisher","DOI":"10.1007\/11599463_70"},{"key":"B11-2013-165498","doi-asserted-by":"publisher","DOI":"10.1016\/j.jnca.2010.10.002"},{"key":"B12-2013-165498","doi-asserted-by":"publisher","DOI":"10.1007\/s11045-008-0062-3"},{"key":"B13-2013-165498","doi-asserted-by":"publisher","DOI":"10.1016\/j.camwa.2008.10.019"},{"key":"B14-2013-165498","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-25959-3_15"},{"key":"B15-2013-165498","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2009.2039131"},{"key":"B16-2013-165498","doi-asserted-by":"publisher","DOI":"10.1109\/MSN.2010.42"},{"first-page":"134","volume-title":"Proceedings of the 7th International Conference on Wireless and Mobile Communications","author":"Guvensan M. 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