{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,27]],"date-time":"2025-12-27T07:30:45Z","timestamp":1766820645045,"version":"3.40.5"},"reference-count":46,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2020,2,1]],"date-time":"2020-02-01T00:00:00Z","timestamp":1580515200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61871348"],"award-info":[{"award-number":["61871348"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Open Foundation of Laboratory","award":["2018JYWXTX02"],"award-info":[{"award-number":["2018JYWXTX02"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:p> In recent years, fifth-generation communication technology has begun to experiment successfully. As an indoor positioning technology of the Internet of things, it changes with each passing day and shows great vitality in the development of smart cities. Aiming at the problem that existing radio frequency identification indoor positioning algorithm is prone to environmental interference and poor positioning accuracy, a LANDMARC indoor positioning algorithm based on density-based spatial clustering of applications with noise\u2013genetic algorithm\u2013radial basis function neural network is proposed. In this article, the signal intensity value is processed by Gaussian filter, and the noise points and boundary points are removed by density-based clustering algorithm. The threshold and weight of radial basis function neural network were optimized by genetic algorithm. With less data information, the relationship between the value of label signal strength and position coordinate could be established to improve the positioning accuracy of LANDMARC positioning algorithm. Experimental research shows that the average positioning error of the proposed LANDMARC algorithm based on density-based spatial clustering of applications with noise\u2013genetic algorithm\u2013radial basis function neural network is about 0.9\u2009m, which is 64% lower than the average positioning error of the traditional LANDMARC algorithm and improves the indoor positioning accuracy. <\/jats:p>","DOI":"10.1177\/1550147720907831","type":"journal-article","created":{"date-parts":[[2020,2,27]],"date-time":"2020-02-27T04:36:11Z","timestamp":1582778171000},"page":"155014772090783","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["LANDMARC indoor positioning algorithm based on density-based spatial clustering of applications with noise\u2013genetic algorithm\u2013radial basis function neural network"],"prefix":"10.1177","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4240-1748","authenticated-orcid":false,"given":"Jingqiu","family":"Ren","sequence":"first","affiliation":[{"name":"School of Electrical Engineering and Information, Northeast Petroleum University, Daqing, China"}]},{"given":"Ke","family":"Bao","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering and Information, Northeast Petroleum University, Daqing, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9050-1284","authenticated-orcid":false,"given":"Guanghua","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering and Information, Northeast Petroleum University, Daqing, China"}]},{"given":"Li","family":"Chu","sequence":"additional","affiliation":[{"name":"Daqing Oilfield Information Technology Company, Daqing, China"}]},{"given":"Weidang","family":"Lu","sequence":"additional","affiliation":[{"name":"College of Information Engineering, Zhejiang University of Technology, Hangzhou, China"}]}],"member":"179","published-online":{"date-parts":[[2020,2,27]]},"reference":[{"volume-title":"International conference on computer science mechanical automation","author":"Shao M","key":"bibr1-1550147720907831"},{"doi-asserted-by":"publisher","key":"bibr2-1550147720907831","DOI":"10.1109\/TVT.2018.2840824"},{"doi-asserted-by":"publisher","key":"bibr3-1550147720907831","DOI":"10.1109\/JIOT.2017.2775199"},{"doi-asserted-by":"publisher","key":"bibr4-1550147720907831","DOI":"10.1109\/TII.2017.2777846"},{"key":"bibr5-1550147720907831","first-page":"6125","volume":"6","author":"Mu Z","year":"2018","journal-title":"IEEE Internet Things J"},{"volume-title":"2016 Chinese control and decision conference (CCDC)","author":"Li N","key":"bibr6-1550147720907831"},{"volume-title":"International conference on indoor positioning and indoor navigation","author":"Song J","key":"bibr7-1550147720907831"},{"volume-title":"International 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