{"id":33410,"date":"2023-03-30T13:40:50","date_gmt":"2023-03-30T08:10:50","guid":{"rendered":"https:\/\/www.oneclickitsolution.com\/blog\/?p=33410"},"modified":"2024-09-06T11:40:39","modified_gmt":"2024-09-06T06:10:39","slug":"measuring-distance-between-beacon-device","status":"publish","type":"post","link":"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device","title":{"rendered":"Measuring Distance Between Beacon &#038; Device"},"content":{"rendered":"\n<p>Beacon is <b><a href=\"https:\/\/www.oneclickitsolution.com\/solutions\/cost-to-build-a-ble-app\/\">BLE(Bluetooth low energy)<\/a><\/b> device which is frequently used in Assets Tracking, Marketing (Sending Push Notification with message and URL), Body Fitness tracking, Door Tracking, etc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-example\"><b>Example<\/b><\/h2>\n\n\n\n<p id=\"h-let-take-the-example-of-old-age-house-or-mental-hospital-where-abnormal-people-are-leaving-and-those-people-are-mentor-by-some-other-people-it-becomes-quite-a-headache-when-sick-people-might-leave-their-room-or-cross-the-exit-door-so-avoid-this-headache-a-card-beacon-or-wrist-beacon-is-attached-to-sick-people\">Let take the example of old age house or mental hospital where abnormal people are leaving and those people are mentor by some other people. It becomes quite a headache when sick people might leave their room or cross the exit door, so avoid this headache a card beacon or wrist beacon is attached to sick people.<\/p>\n\n\n\n<p>When an old person or sick people enter into other room or cross the exit door then the beacon signal will be captured by a gateway device which is mounted in each room or exit door. Gateway after scanning the beacon, it will raise alarm and notify Admin person.<\/p>\n\n\n\n<p>Here Gateway will scan the RSSI value and transmitted power of the beacon and calculate distance between gateway and beacon.<\/p>\n\n\n\n<p>Each <strong><a href=\"https:\/\/www.oneclickitsolution.com\/blog\/beacon-technology-for-retail-business-and-ecommerce-app-development\/\" target=\"_blank\" rel=\"noreferrer noopener\">Beacon Devices<\/a><\/strong> emits RSSI (Received Signal Strength Indicator) value which is measured by another device antenna. Higher RSSI value indicates a higher strength of the signal.<\/p>\n\n\n\n<p>As a beacon is low energy device so RSSI value is mostly in Negative number. The RSSI value is always expressed in dBm (decibels per milliwatt).<\/p>\n\n\n\n<p>There are 2 important Parameters for Distance calculation between <a href=\"https:\/\/www.oneclickitsolution.com\/services\/ble-app-development\/\"><strong>BLE and Device<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-rssi\"><b>1. RSSI<\/b><\/h2>\n\n\n\n<p>RSSI stands for <b>Received Signal Strength Indicator <\/b>which strength of the beacon signal received by the Smartphone or receiving the device.<\/p>\n\n\n\n<p>The RSSI value is used to calculate the approximate distance between BLE and Device. Some time distance is not accurate due to external factors like Low Battery power level of BLE, obstacle between Ble and device or diffraction.<\/p>\n\n\n\n<p>Some RSSI value considerations for signal strength.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><b>RSSI Value<\/b><\/td><td><b>Quality Level<\/b><\/td><\/tr><tr><td>-30dbm<\/td><td>Very Good Signal<\/td><\/tr><tr><td>-65 dBm<\/td><td>Good Signal<\/td><\/tr><tr><td>-70 dBm<\/td><td>Average Signal<\/td><\/tr><tr><td>-80 dBm or less than -80<\/td><td>Poor Signal<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-tx-power-or-measure-power\"><b>2. TX Power or Measure Power<\/b><\/h2>\n\n\n\n<p>This is an important parameter for calculating an accurate distance between BLE and device. Tx Power is expected signal level when measured from a one-meter distance.<\/p>\n\n\n\n<p>Tx power is always measured in decibels per milliwatt (dBm)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-distance-calculation-formula\"><b>Distance Calculation Formula<\/b><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"html\" class=\"language-html\">function distanceCalculation(rssiValue) {\n\nvar txPowerValue = -62 \/\/ Normal ranges between -59 to -65\n\nif ( rssiValue == 0) {\n\nreturn -1.0;\n\n}\n\nvar ratio = rssiValue*1.0\/txPowerValue;\n\nif (ratio &lt; 1.0) {\n\nreturn Math.pow(ratio,10);\n\n}\n\nelse {\n\nvar distance = (0.89976)*Math.pow(ratio,7.7095) + 0.111;\n\nreturn distance;\n\n}\n\n}<\/code><\/pre>\n\n\n\n<h6 class=\"wp-block-heading\"><b>Let Try Some Examples<\/b>:<\/h6>\n\n\n\n<p>1. let say txPowerValue = -65;<\/p>\n\n\n\n<p>rssiValue = -60<\/p>\n\n\n\n<p>Then Distance = 0.44 Meter<\/p>\n\n\n\n<p>2. let say txPowerValue = -59<\/p>\n\n\n\n<p>rssiValue = -65<\/p>\n\n\n\n<p>Then Distance = 2.0 Meter<\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">To know more about measuring the distance between beacons devices and how it can help your business <strong style=\"color:black;\">let\u2019s schedule a demo!<\/strong><\/p>\n\n\n\n<p>For more information please <a title=\"\" href=\"https:\/\/www.oneclickitsolution.com\/contact-us\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>contact us<\/strong><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Beacon is BLE(Bluetooth low energy) device which is frequently used in Assets Tracking, Marketing (Sending Push Notification with message and URL), Body Fitness tracking, Door Tracking, etc. Example Let take the example of old age house or mental hospital where abnormal people are leaving and those people are mentor by some other people. It becomes &hellip;<\/p>\n","protected":false},"author":1,"featured_media":53396,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[516,22],"tags":[803,795],"class_list":["post-33410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile-apps","category-technology","tag-beacon-application-development","tag-mobile-app-development"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.2.1 (Yoast SEO v24.8.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Measuring Distance Between Beacon Devices<\/title>\n<meta name=\"description\" content=\"Beacon is BLE(Bluetooth low energy) device that is frequently used in Assets Tracking, Marketing, Body Fitness tracking, Door Tracking, etc.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Measuring Distance Between Beacon Devices\" \/>\n<meta property=\"og:description\" content=\"Beacon is BLE(Bluetooth low energy) device that is frequently used in Assets Tracking, Marketing, Body Fitness tracking, Door Tracking, etc.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device\" \/>\n<meta property=\"og:site_name\" content=\"OneClick IT Consultancy\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/oneclickconsultancy\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-30T08:10:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-06T06:10:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.oneclickitsolution.com\/blog\/wp-content\/uploads\/2019\/04\/Measure-Distance-btwn-beacon-device.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"770\" \/>\n\t<meta property=\"og:image:height\" content=\"420\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"OneClick IT Consultancy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@OneclickIT\" \/>\n<meta name=\"twitter:site\" content=\"@OneclickIT\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"OneClick IT Consultancy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Measuring Distance Between Beacon Devices","description":"Beacon is BLE(Bluetooth low energy) device that is frequently used in Assets Tracking, Marketing, Body Fitness tracking, Door Tracking, etc.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device","og_locale":"en_US","og_type":"article","og_title":"Measuring Distance Between Beacon Devices","og_description":"Beacon is BLE(Bluetooth low energy) device that is frequently used in Assets Tracking, Marketing, Body Fitness tracking, Door Tracking, etc.","og_url":"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device","og_site_name":"OneClick IT Consultancy","article_publisher":"https:\/\/www.facebook.com\/oneclickconsultancy","article_published_time":"2023-03-30T08:10:50+00:00","article_modified_time":"2024-09-06T06:10:39+00:00","og_image":[{"width":770,"height":420,"url":"https:\/\/www.oneclickitsolution.com\/blog\/wp-content\/uploads\/2019\/04\/Measure-Distance-btwn-beacon-device.jpg","type":"image\/jpeg"}],"author":"OneClick IT Consultancy","twitter_card":"summary_large_image","twitter_creator":"@OneclickIT","twitter_site":"@OneclickIT","twitter_misc":{"Written by":"OneClick IT Consultancy","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device#article","isPartOf":{"@id":"https:\/\/www.oneclickitsolution.com\/blog\/measuring-distance-between-beacon-device"},"author":{"name":"OneClick IT Consultancy","@id":"https:\/\/www.oneclickitsolution.com\/blog\/#\/schema\/person\/c2616c0a433427a79a96fe5ca2b34ec3"},"headline":"Measuring Distance Between Beacon &#038; 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