{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T12:43:04Z","timestamp":1740141784163,"version":"3.37.3"},"reference-count":20,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2015,7,1]],"date-time":"2015-07-01T00:00:00Z","timestamp":1435708800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Basic Research Program of China","doi-asserted-by":"crossref","award":["2014CB046300","2013XK09","61473299"],"award-info":[{"award-number":["2014CB046300","2013XK09","61473299"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100012226","name":"Fundamental Research funds for the Central Universities","doi-asserted-by":"crossref","award":["2014CB046300","2013XK09","61473299"],"award-info":[{"award-number":["2014CB046300","2013XK09","61473299"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2014CB046300","2013XK09","61473299"],"award-info":[{"award-number":["2014CB046300","2013XK09","61473299"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2015,7,1]]},"abstract":"<jats:p> One of the most important challenges in designing wireless sensor networks is how to recover a broken network within a very short time as the active nodes are failed or out-of-energy. Focusing on this problem, a hierarchical scheduling scheme based on node-failure pretreatment is proposed, in which the global optimization method is used to find the minimum connected tree and the local multilayer recovery algorithm is used to find a candidate sensor node instead of the failed one. Three highlights of this scheme are as follows: (1) The importance of sensor nodes is defined in terms of their locations in minimum connected tree and coverage acreage. (2) The neighborhood radius of failed sensor node varies with its importance, and then its candidate-node set is dynamically constructed. (3) A novel multilayer recovery strategy including node recovery and regional recovery is presented. Simulation results show that hierarchical scheduling scheme finds the optimal candidate sensor node in less time to make the repaired network with lowest energy consumption. Though the less sensor nodes are activated, the network lifetime is slightly shorter. Moreover, this scheme can be applied in the problem that the communication radius of sensor node is less than two times of its sensing radius. <\/jats:p>","DOI":"10.1155\/2015\/397615","type":"journal-article","created":{"date-parts":[[2015,7,7]],"date-time":"2015-07-07T21:03:08Z","timestamp":1436302988000},"page":"397615","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["A Hierarchical Scheduling Scheme in WSNs Based on Node-Failure Pretreatment"],"prefix":"10.1177","volume":"11","author":[{"given":"Hai-yuan","family":"Liu","sequence":"first","affiliation":[{"name":"School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China"},{"name":"College of Sciences, China University of Mining and Technology, Xuzhou 221116, China"}]},{"given":"Yi-nan","family":"Guo","sequence":"additional","affiliation":[{"name":"School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China"}]},{"given":"Mei-rong","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China"},{"name":"College of Sciences, China University of Mining and Technology, Xuzhou 221116, China"}]},{"given":"Yuan-shun","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China"}]}],"member":"179","published-online":{"date-parts":[[2015,7,7]]},"reference":[{"key":"B1-2015-397615","doi-asserted-by":"publisher","DOI":"10.1016\/s1389-1286(01)00302-4"},{"first-page":"88","volume-title":"Proceedings of the 1st ACM International Workshop on Wireless Sensor Networks and Applications","author":"Mainwaring A.","key":"B2-2015-397615"},{"key":"B3-2015-397615","doi-asserted-by":"publisher","DOI":"10.1360\/jos170175"},{"key":"B4-2015-397615","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2001.936985"},{"key":"B5-2015-397615","doi-asserted-by":"publisher","DOI":"10.1002\/wcm.116"},{"first-page":"424","volume-title":"Proceedings of the 3rd International Symposium on Information Processing in Sensor Networks (IPSN \u203204)","author":"Abrams Z.","key":"B6-2015-397615"},{"key":"B7-2015-397615","doi-asserted-by":"publisher","DOI":"10.1109\/ICDCS.2003.1203449"},{"first-page":"32","volume-title":"Proceedings of the 1st ACM International Workshop on Wireless Sensor Networks and Applications (WSNA \u203202)","author":"Tian D.","key":"B8-2015-397615"},{"first-page":"377","volume-title":"Proceedings of the 1st Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks","author":"Carbunar B.","key":"B9-2015-397615"},{"key":"B10-2015-397615","first-page":"89","volume":"1","author":"Zhang H.","year":"2005","journal-title":"Ad Hoc & Sensor Wireless Networks"},{"key":"B11-2015-397615","first-page":"475","volume-title":"Proceedings of 4th International Conference on Networking","volume":"3420","author":"Nakamura F. 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