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Firstly, an AP clustering algorithm is used to cluster the RSSI values of the experimental region tags with similarity, in order to achieve the division of tagged regions, reduce the search area of the later improved particle swarm algorithm, and reduce the search time. Secondly, the learning factor of the particle swarm algorithm is dynamically adjusted, in order to improve the search ability and convergence speed of the global optimal solution of particles. The experimental results show that the algorithm can effectively achieve RFID indoor positioning of the tags to be measured, with high positioning accuracy and with the algorithm spending less time.<\/jats:p>","DOI":"10.1155\/2022\/4121016","type":"journal-article","created":{"date-parts":[[2022,8,26]],"date-time":"2022-08-26T03:23:07Z","timestamp":1661484187000},"page":"1-19","source":"Crossref","is-referenced-by-count":4,"title":["RFID Indoor Positioning Based on AP Clustering and Improved Particle Swarm Algorithm"],"prefix":"10.1155","volume":"2022","author":[{"given":"Zhang","family":"Manman","sequence":"first","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5026-5347","authenticated-orcid":true,"given":"Li","family":"Peng","sequence":"additional","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China"},{"name":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Jiangsu Province, Nanjing 210003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2809-2237","authenticated-orcid":true,"given":"Xu","family":"He","sequence":"additional","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China"},{"name":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Jiangsu Province, Nanjing 210003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wang","family":"Ruchuan","sequence":"additional","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China"},{"name":"Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks, Jiangsu Province, Nanjing 210003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.32604\/csse.2022.020453"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM41043.2020.9155531"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1145\/3214288"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2017.8056985"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1145\/3351271"},{"issue":"1","key":"6","first-page":"297","article-title":"A review of RFID-based passive sensing mechanism research","volume":"33","author":"C. 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