{"id":18819,"date":"2025-04-30T12:44:42","date_gmt":"2025-04-30T12:44:42","guid":{"rendered":"https:\/\/indoorsnavi.pro\/?p=18819"},"modified":"2025-04-30T15:14:50","modified_gmt":"2025-04-30T15:14:50","slug":"navigation-without-gps-how-can-a-smartphone-determine-location-in-the-subway","status":"publish","type":"post","link":"https:\/\/indoorsnavi.pro\/en\/navigation-without-gps-how-can-a-smartphone-determine-location-in-the-subway\/","title":{"rendered":"How a smartphone determines the position in the subway \u2014 navigation without GPS and Glonass"},"content":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0441\u0435\u0431\u044f \u0432 \u043d\u0435\u0437\u043d\u0430\u043a\u043e\u043c\u043e\u043c \u043c\u0435\u0442\u0440\u043e &#8212; \u0432\u043e\u043a\u0440\u0443\u0433 \u0431\u0435\u0442\u043e\u043d\u043d\u044b\u0435 \u0441\u0442\u0435\u043d\u044b, \u043d\u0435\u0442 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 GPS, \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441 \u043f\u0435\u0440\u0435\u0431\u043e\u044f\u043c\u0438, \u0430 \u0432\u0430\u043c \u043d\u0430\u0434\u043e \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u043f\u043e\u043d\u044f\u0442\u044c \u0433\u0434\u0435 \u0432 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0435 \u0432\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0435\u0441\u044c. <\/p>\n\n\n\n<p>Or how do you define:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Which stations is your train located between?<\/li><li>How much time is left before your stop?<\/li><li>When should I get ready to leave?<\/li><\/ul>\n\n\n\n<p>Traditional methods like looking out the window for station names or trying to hear announcements have long been outdated. Modern technology offers an elegant solution!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How does this solution work?<\/strong>?<\/h2>\n\n\n\n<p>The new algorithm determines your location in the underground space by analyzing the characteristic vibrations of your smartphone due to the built-in sensors.<\/p>\n\n\n\n<p><strong>Classification of movement<\/strong><\/p>\n\n\n\n<p>When the train enters the tunnel:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The smartphone detects vibrations with a frequency of ~5 Hz (train movement)<\/li><li>When walking, the smartphone detects a frequency of ~2 Hz<\/li><li>Escalators and elevators will have their own unique frequency characteristics.<\/li><\/ul>\n\n\n\n<p><strong>Collection of reference data<\/strong><\/p>\n\n\n\n<p>It is necessary to conduct a large-scale study and collect data from different stations, crossings and escalators.:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>lots of subway rides in different cities<\/li><li>dozens of types of rolling stock<\/li><li>go through all possible scenarios (stops, acceleration, turns)<\/li><\/ul>\n\n\n\n<p><strong>Neural network training<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The algorithm is trained on thousands of trips in different subways around the world<\/li><li>It accurately distinguishes train movement from other passenger activities<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key advantages<\/strong><\/h2>\n\n\n<p class=\"ds-markdown-paragraph\"><strong>It works without internet connection<\/strong><br \/>All calculations take place directly on your device.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Complete confidentiality<\/strong><br \/>Your data never leaves your smartphone.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Versatility<\/strong><br \/>The algorithm can be adapted to any type of subway system.<\/p>\n<p>\u041d\u043e \u0435\u0441\u0442\u044c \u043e\u0434\u0438\u043d \u0432\u0430\u0436\u043d\u044b\u0439 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u043a \u0442\u0430\u043a\u043e\u0433\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u044f &#8212; \u043d\u0435 \u0432\u044b\u0441\u043e\u043a\u0430\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0432 \u0431\u043e\u043b\u044c\u0448\u043e\u043c \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0442\u043e\u0447\u043d\u043e \u043f\u043e\u043d\u044f\u0442\u044c \u043d\u0430 \u043a\u0430\u043a\u043e\u0439 \u0441\u0442\u0430\u043d\u0446\u0438\u0438 \u0432\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0435\u0441\u044c, \u043d\u043e \u0443\u0436\u0435 \u0432 \u043a\u0430\u043a\u043e\u043c \u043c\u0435\u0441\u0442\u0435 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u043d\u0446\u0438\u0438 \u0432\u044b \u0441\u0442\u043e\u0438\u0442\u0435 \u0438\u043b\u0438 \u043e\u043a\u043e\u043b\u043e \u043a\u0430\u043a\u043e\u0433\u043e \u0432\u0430\u0433\u043e\u043d\u0430, \u0441 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0441\u044f. \u0414\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u044d\u0442\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043c\u043e\u0434\u043d\u043e \u0441\u043e\u0432\u043c\u0435\u0449\u0430\u0442\u044c \u0441 \u0443\u0436\u0435 \u0441\u0442\u0430\u0432\u0448\u0435\u0439 \u043f\u0440\u0438\u0432\u044b\u0447\u043d\u043e\u0439 \u043d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u0435\u0439 \u043f\u043e \u043c\u0430\u044f\u0447\u043a\u0430\u043c iBeacon.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1120\" height=\"630\" src=\"https:\/\/indoorsnavi.pro\/wp-content\/uploads\/\u041d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u044f-\u0432-\u043c\u0435\u0442\u0440\u043e-\u0431\u0435\u0437-GPS.jpg\" alt=\"\" class=\"wp-image-18826\" srcset=\"https:\/\/indoorsnavi.pro\/wp-content\/uploads\/\u041d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u044f-\u0432-\u043c\u0435\u0442\u0440\u043e-\u0431\u0435\u0437-GPS.jpg 1120w, https:\/\/indoorsnavi.pro\/wp-content\/uploads\/\u041d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u044f-\u0432-\u043c\u0435\u0442\u0440\u043e-\u0431\u0435\u0437-GPS-300x169.jpg 300w, https:\/\/indoorsnavi.pro\/wp-content\/uploads\/\u041d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u044f-\u0432-\u043c\u0435\u0442\u0440\u043e-\u0431\u0435\u0437-GPS-768x432.jpg 768w, https:\/\/indoorsnavi.pro\/wp-content\/uploads\/\u041d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u044f-\u0432-\u043c\u0435\u0442\u0440\u043e-\u0431\u0435\u0437-GPS-18x10.jpg 18w\" sizes=\"auto, (max-width: 1120px) 100vw, 1120px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why is this important for shopping malls, airports, and hospitals?<\/strong><\/h2>\n\n\n\n<p>The technology developed for the subway may be well suited for indoor navigation on the surface of the earth! After all, the same problems often occur in shopping malls, hospitals, and office centers.:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>There is no GPS signal\/Glonass<\/li><li>Poor connectivity and insufficient wi-fi coverage<\/li><li>People get lost in large spaces and waste their time.<\/li><\/ul>\n\n\n\n<p>Indoors Navigation offers similar solutions for a wide range of industries and for a variety of tasks.:<\/p>\n\n\n\n<p><strong>Shopping malls<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Shows the way to the desired store<\/li><li>Leads on promotions and discounts<\/li><li>Analyzes the flow of visitors<\/li><\/ul>\n\n\n\n<p><strong>Airports<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Escorts them to the boarding gates<\/li><li>Finds baggage carousels<\/li><li>Shows power points and other POI<\/li><\/ul>\n\n\n\n<p><strong>Hospitals<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>It leads to the right doctor's office<\/li><li>Builds routes for hospital visitors<\/li><li>Optimizes the work of staff and the search for medical equipment<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><meta charset=\"utf-8\">How does it work in buildings?<\/strong><\/h2>\n\n\n\n<p>Instead of train vibrations, we use data received over the radio channel, and as a result, navigation appears where GPS and Glonass are powerless. To do this, we use:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Bluetooth beacons<\/li><li>Accelerometer and gyroscope of a mobile device<\/li><li>Digital indoor maps and shortest routes<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Try the future of navigation today<\/strong><\/h2>\n\n\n\n<p>Do you want to implement a modern navigation system in your building?\u00a0Our company offers the Indoors Navigation Platform:<\/p>\n\n\n\n<p>\ud83d\udd39 Accuracy up to 1 meter<br>\ud83d\udd39 Work without the Internet<br>\ud83d\udd39 Building movement analytics<br>\ud83d\udd39 Integration with mobile applications via the SDK<\/p>\n\n\n\n<p>Leave a request for&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/indoorsnavi.pro\/en\/\">www.indoorsnavi.pro<\/a>&nbsp;and make your space convenient for visitors!<\/p>\n\n\n\n<p>\ud83d\udc47  Subscribe and keep up to date with innovations! \ud83d\udc47<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0441\u0435\u0431\u044f \u0432 \u043d\u0435\u0437\u043d\u0430\u043a\u043e\u043c\u043e\u043c \u043c\u0435\u0442\u0440\u043e &#8212; \u0432\u043e\u043a\u0440\u0443\u0433 \u0431\u0435\u0442\u043e\u043d\u043d\u044b\u0435 \u0441\u0442\u0435\u043d\u044b, \u043d\u0435\u0442 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 GPS, \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441 \u043f\u0435\u0440\u0435\u0431\u043e\u044f\u043c\u0438, \u0430 \u0432\u0430\u043c \u043d\u0430\u0434\u043e \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u043f\u043e\u043d\u044f\u0442\u044c \u0433\u0434\u0435 \u0432 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0435 \u0432\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0435\u0441\u044c. \u0418\u043b\u0438 \u043a\u0430\u043a \u0432\u0430\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c: \u043c\u0435\u0436\u0434\u0443 \u043a\u0430\u043a\u0438\u043c\u0438 \u0441\u0442\u0430\u043d\u0446\u0438\u044f\u043c\u0438 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432\u0430\u0448 \u043f\u043e\u0435\u0437\u0434? \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043e\u0441\u0442\u0430\u043b\u043e\u0441\u044c \u0434\u043e \u0432\u0430\u0448\u0435\u0439 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438? \u043a\u043e\u0433\u0434\u0430 \u043d\u0443\u0436\u043d\u043e \u0433\u043e\u0442\u043e\u0432\u0438\u0442\u044c\u0441\u044f \u043a \u0432\u044b\u0445\u043e\u0434\u0443? \u0422\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b&#8230;<a class=\"read-more\" href=\"https:\/\/indoorsnavi.pro\/en\/navigation-without-gps-how-can-a-smartphone-determine-location-in-the-subway\/\">\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435&#8230;<\/a><\/p>","protected":false},"author":9,"featured_media":18825,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"ub_ctt_via":"","footnotes":""},"categories":[7],"tags":[5],"class_list":["post-18819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7","tag-ru"],"acf":[],"aioseo_notices":[],"featured_image_src":"https:\/\/indoorsnavi.pro\/wp-content\/uploads\/\u041d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u044f-\u0431\u0435\u0437-GPS-\u0432-\u043c\u0435\u0442\u0440\u043e.jpg","author_info":{"display_name":"makarov","author_link":"https:\/\/indoorsnavi.pro\/en\/author\/makarov\/"},"_links":{"self":[{"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/posts\/18819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/comments?post=18819"}],"version-history":[{"count":16,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/posts\/18819\/revisions"}],"predecessor-version":[{"id":18843,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/posts\/18819\/revisions\/18843"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/media\/18825"}],"wp:attachment":[{"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/media?parent=18819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/categories?post=18819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/indoorsnavi.pro\/en\/wp-json\/wp\/v2\/tags?post=18819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}