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So how to correctly transmit data when there are interrupted links on the data path is just the issue Delay Tolerant Networks (DTNs) aim to solve. In this paper, we propose a model to predict link interruption and route interruption in UASNs by the historical link information and channel state obtained by periodic detection. A method of decomposing and recomposing routes hop by hop in order to optimize route reselection is also presented. Moreover, we present a back-up route maintenance scheme to keep back-up routes with fresh information. In case of single route, we advance the idea to utilize the periodicity of environmental changes to help predict link interruption. In the simulation, we make comparisons on node energy consumption, end-to-end delay as well as bit error rate with and without link prediction. It can be derived that the network performance is significantly improved with our mechanism, so that our mechanism is effective and efficient while guaranteeing reliable data transmission. <\/jats:p>","DOI":"10.1155\/2011\/939864","type":"journal-article","created":{"date-parts":[[2011,9,8]],"date-time":"2011-09-08T20:41:07Z","timestamp":1315514467000},"page":"939864","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["Link Prediction and Route Selection Based on Channel State Detection in UASNs"],"prefix":"10.1177","volume":"7","author":[{"given":"Jian","family":"Chen","sequence":"first","affiliation":[{"name":"School of Electronic Information, Wuhan University, Wuhan 430079, China"}]},{"given":"Yanyan","family":"Han","sequence":"additional","affiliation":[{"name":"School of Electronic Information, Wuhan University, Wuhan 430079, China"}]},{"given":"Deshi","family":"Li","sequence":"additional","affiliation":[{"name":"School of Electronic Information, Wuhan University, Wuhan 430079, China"}]},{"given":"Jugen","family":"Nie","sequence":"additional","affiliation":[{"name":"School of Electronic Information, Wuhan University, Wuhan 430079, China"}]}],"member":"179","published-online":{"date-parts":[[2011,9,8]]},"reference":[{"key":"B1-2011-939864","doi-asserted-by":"publisher","DOI":"10.1145\/1530748.1530807"},{"issue":"11","key":"B2-2011-939864","first-page":"232","volume":"29","author":"Li Y.","year":"2008","journal-title":"Journal on Communications"},{"key":"B3-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/WONS.2008.4459352"},{"key":"B4-2011-939864","doi-asserted-by":"publisher","DOI":"10.1007\/s11036-008-0131-8"},{"key":"B5-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2000.853783"},{"issue":"7","key":"B6-2011-939864","first-page":"118","volume":"29","author":"Hong L.","year":"2008","journal-title":"Tongxin Xuebao\/Journal on Communications"},{"key":"B7-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/ICACT.2008.4493741"},{"key":"B8-2011-939864","series-title":"Lecture Notes in Computer Science","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1007\/978-3-540-27767-5_24","volume-title":"Proceedings of the 1st International Workshop Service Assurance with Partial and Intermittent Resources (SAPIR '04)","volume":"3126","author":"Lindgren A."},{"key":"B9-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2007.250"},{"key":"B10-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/ICPADS.2008.14"},{"key":"B11-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2010.06.100238"},{"key":"B12-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2010.05.092312"},{"key":"B13-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/ICNC.2008.380"},{"key":"B14-2011-939864","doi-asserted-by":"publisher","DOI":"10.1109\/SAHCNW.2009.5172917"},{"key":"B15-2011-939864","doi-asserted-by":"publisher","DOI":"10.1145\/1651274.1651285"},{"key":"B16-2011-939864","doi-asserted-by":"publisher","DOI":"10.1002\/asi.20591"},{"issue":"4","key":"B17-2011-939864","first-page":"586","volume":"28","author":"Niu F.","year":"2009","journal-title":"Jounal of Oceanography in Taiwan Straint"},{"issue":"8","key":"B18-2011-939864","first-page":"687","volume":"28","author":"Xue J. 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