{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T17:47:41Z","timestamp":1773251261888,"version":"3.50.1"},"reference-count":33,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2017,7,1]],"date-time":"2017-07-01T00:00:00Z","timestamp":1498867200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2017,7]]},"abstract":"<jats:p> In this article, to monitor the fields with square and circular geometries, three energy-efficient routing protocols are proposed for underwater wireless sensor networks. First one is sparsity-aware energy-efficient clustering, second one is circular sparsity-aware energy-efficient clustering, and the third one is circular depth\u2013based sparsity-aware energy-efficient clustering routing protocol. All three protocols are proposed to minimize the energy consumption of sparse regions, whereas sparsity search algorithm is proposed to find sparse regions and density search algorithm is used to find dense regions of the network field. Moreover, clustering is performed in dense regions to minimize redundant transmissions of a data packet, while sink mobility is exploited to collect data from sensor nodes with an objective of minimum energy consumption. A depth threshold [Formula: see text] value is also used to minimize number of hops between source and destination for less energy consumption. Simulation results show that our schemes perform better than their counter-part schemes (depth-based routing and energy-efficient depth-based routing) in terms of energy efficiency. <\/jats:p>","DOI":"10.1177\/1550147717717189","type":"journal-article","created":{"date-parts":[[2017,11,7]],"date-time":"2017-11-07T14:15:20Z","timestamp":1510064120000},"page":"155014771771718","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":25,"title":["Monitoring square and circular fields with sensors using energy-efficient cluster-based routing for underwater wireless sensor networks"],"prefix":"10.1177","volume":"13","author":[{"given":"Arshad","family":"Sher","sequence":"first","affiliation":[{"name":"COMSATS Institute of Information Technology, Islamabad, Pakistan"}]},{"given":"Nadeem","family":"Javaid","sequence":"additional","affiliation":[{"name":"COMSATS Institute of Information Technology, Islamabad, Pakistan"}]},{"given":"Irfan","family":"Azam","sequence":"additional","affiliation":[{"name":"COMSATS Institute of Information Technology, Islamabad, Pakistan"}]},{"given":"Hira","family":"Ahmad","sequence":"additional","affiliation":[{"name":"COMSATS Institute of Information Technology, Islamabad, Pakistan"}]},{"given":"Wadood","family":"Abdul","sequence":"additional","affiliation":[{"name":"Department of Computer Engineering, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia"}]},{"given":"Sanaa","family":"Ghouzali","sequence":"additional","affiliation":[{"name":"Department of Information Technology, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia"}]},{"given":"Iftikhar Azim","family":"Niaz","sequence":"additional","affiliation":[{"name":"COMSATS Institute of Information Technology, Islamabad, Pakistan"}]},{"given":"Fakhri Alam","family":"Khan","sequence":"additional","affiliation":[{"name":"Institute of 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