{"id":6450,"date":"2021-06-25T08:11:05","date_gmt":"2021-06-25T08:11:05","guid":{"rendered":"https:\/\/www.beaconzone.co.uk\/blog\/?p=6450"},"modified":"2021-06-25T08:11:06","modified_gmt":"2021-06-25T08:11:06","slug":"improving-indoor-locating-using-kalman-filtering-and-a-particle-filter","status":"publish","type":"post","link":"https:\/\/www.beaconzone.co.uk\/blog\/improving-indoor-locating-using-kalman-filtering-and-a-particle-filter\/","title":{"rendered":"Improving Indoor Locating Using Kalman Filtering and a Particle Filter"},"content":{"rendered":"\n<p>There&#8217;s recent research from Korea on <a rel=\"noreferrer noopener\" href=\"https:\/\/www.researchgate.net\/publication\/347682665_Particle_Filtering-Based_Indoor_Positioning_System_for_Beacon_Tag_Tracking\" target=\"_blank\">Particle Filtering-Based Indoor Positioning System for Beacon Tag Tracking<\/a>. The paper looks into how to improve positioning accuracy, reduce system complexity and reduce deployment cost through the use of a Particle Filter-based Indoor Positioning System (PFIPS).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2021\/06\/positioningsystemartchitecture.png\" alt=\"\" class=\"wp-image-6451\" width=\"449\" height=\"332\" srcset=\"https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2021\/06\/positioningsystemartchitecture.png 598w, https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2021\/06\/positioningsystemartchitecture-300x222.png 300w\" sizes=\"(max-width: 449px) 85vw, 449px\" \/><\/figure><\/div>\n\n\n\n<p>A Kalman Filter is used to preprocess collected Received Signal Strength Indication (RSSI) data followed by a Particle Filter (PF) to approximate the location of a tag which improves the location certainties.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2021\/06\/bleparticlefilterscenario.png\" alt=\"\" class=\"wp-image-6452\" width=\"452\" height=\"376\" srcset=\"https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2021\/06\/bleparticlefilterscenario.png 602w, https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2021\/06\/bleparticlefilterscenario-300x250.png 300w\" sizes=\"(max-width: 452px) 85vw, 452px\" \/><\/figure><\/div>\n\n\n\n<p>Simulations and experiments showed the system outperformed the legacy indoor positioning systems in terms of location accuracy by 24.1% and achieved median accuracy of 1.16 m.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.beaconzone.co.uk\/BeaconForRTLS\" target=\"_blank\" rel=\"noreferrer noopener\">Read Using Beacons, iBeacons for Real-time Locating Systems (RTLS) <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>There&#8217;s recent research from Korea on Particle Filtering-Based Indoor Positioning System for Beacon Tag Tracking. The paper looks into how to improve positioning accuracy, reduce system complexity and reduce deployment cost through the use of a Particle Filter-based Indoor Positioning System (PFIPS). A Kalman Filter is used to preprocess collected Received Signal Strength Indication (RSSI) &hellip; <a href=\"https:\/\/www.beaconzone.co.uk\/blog\/improving-indoor-locating-using-kalman-filtering-and-a-particle-filter\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Improving Indoor Locating Using Kalman Filtering and a Particle Filter&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,32,130],"tags":[],"_links":{"self":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts\/6450"}],"collection":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=6450"}],"version-history":[{"count":3,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts\/6450\/revisions"}],"predecessor-version":[{"id":6455,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts\/6450\/revisions\/6455"}],"wp:attachment":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=6450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=6450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=6450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}