{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T12:43:41Z","timestamp":1740141821107,"version":"3.37.3"},"reference-count":24,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"National High Technology R&D Programme","award":["2011AA010500","2013AA01A601","IRT1158"],"award-info":[{"award-number":["2011AA010500","2013AA01A601","IRT1158"]}]},{"name":"National High Technology R&D Programme","award":["2011AA010500","2013AA01A601","IRT1158"],"award-info":[{"award-number":["2011AA010500","2013AA01A601","IRT1158"]}]},{"name":"Changjiang Scholars and Innovative Research Team in Universities of China","award":["2011AA010500","2013AA01A601","IRT1158"],"award-info":[{"award-number":["2011AA010500","2013AA01A601","IRT1158"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2014,1,1]]},"abstract":"<jats:p> Location awareness plays an indispensable role in a wide variety of application domains such as environment monitoring and vehicle tracking. In this paper we focus on the localization of mobile users in sparse mobile networks which exist in many practical scenarios where users are distributed over a vast area. The unique characteristics of sparse mobile networks present several challenges for accurate localization, such as constant movement and little information from anchors. By analyzing five large datasets of real users traces with entropy analysis from five sites, we make an important observation that there are strong patterns with user mobility. Motivated by this observation, we propose a localization approach called EMP by exploiting mobility patterns of users for localization in sparse mobile networks. EMP implements a range-free distributed algorithm, with which each user collaboratively estimates its current location by fusing two localization sources, that is, network connectivity with other nodes and mobility patterns. With trace driven simulations, we demonstrate that EMP significantly improves the localization accuracy, comparing with other existing localization approaches. <\/jats:p>","DOI":"10.1155\/2014\/370364","type":"journal-article","created":{"date-parts":[[2014,1,19]],"date-time":"2014-01-19T09:25:29Z","timestamp":1390123529000},"page":"370364","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["EMP: Exploiting Mobility Patterns for Collaborative Localization in Sparse Mobile Networks"],"prefix":"10.1177","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6406-4992","authenticated-orcid":false,"given":"Yanmin","family":"Zhu","sequence":"first","affiliation":[{"name":"Shanghai Key Lab of Scalable Computing and Systems, Shanghai 200240, China"},{"name":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2933-5245","authenticated-orcid":false,"given":"Zhenzhen","family":"Tian","sequence":"additional","affiliation":[{"name":"Shanghai Key Lab of Scalable Computing and Systems, Shanghai 200240, China"},{"name":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0207-9643","authenticated-orcid":false,"given":"Jiadi","family":"Yu","sequence":"additional","affiliation":[{"name":"Shanghai Key Lab of Scalable Computing and Systems, Shanghai 200240, China"},{"name":"Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2014,1,16]]},"reference":[{"key":"B3-2014-370364","doi-asserted-by":"publisher","DOI":"10.1007\/11943952_27"},{"key":"B7-2014-370364","first-page":"1655","volume-title":"Proceedings of the 20th Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM '01)","volume":"3","author":"Doherty L."},{"volume-title":"Proceedings of the 9th annual international conference on Mobile computing and networking (MobiCom '03)","author":"He T.","key":"B10-2014-370364"},{"key":"B12-2014-370364","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2011.5935163"},{"key":"B24-2014-370364","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2009.149"},{"first-page":"201","volume-title":"Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc '03)","author":"Shang Y.","key":"B28-2014-370364"},{"key":"B5-2014-370364","doi-asserted-by":"publisher","DOI":"10.1145\/1791212.1791252"},{"key":"B6-2014-370364","doi-asserted-by":"publisher","DOI":"10.1145\/1859995.1860016"},{"first-page":"2926","volume-title":"Proceedings of the IEEE Conference on Computer Communications (INFOCOM '03)","author":"Niculescu D.","key":"B18-2014-370364"},{"key":"B31-2014-370364","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-7091-3297-5"},{"first-page":"166","volume-title":"Proceedings of the 7th Annual International Conference on Mobile Computing and Networking (MobiCom '01)","author":"Savvides A.","key":"B25-2014-370364"},{"first-page":"1","volume-title":"Proceedings of the 1st International Conference on Autonomic Computing and Communication Systems","author":"Li L.","key":"B16-2014-370364"},{"key":"B15-2014-370364","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2009.5061995"},{"key":"B22-2014-370364","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2007.145"},{"key":"B32-2014-370364","doi-asserted-by":"publisher","DOI":"10.1109\/IPSN.2008.63"},{"key":"B1-2014-370364","doi-asserted-by":"publisher","DOI":"10.1002\/047174414X.ch9"},{"first-page":"105","volume-title":"Proceedings of the 1st ACM International Workshop on Wireless Sensor Networks and Applications (WSNA '02)","author":"Nasipuri A.","key":"B19-2014-370364"},{"first-page":"1","volume-title":"Proceedings of the 7th ACM Annual International Conference on Mobile Computing and Networking (MobiCom '01)","author":"Priyantha N. 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