{"id":15636,"date":"2025-06-06T03:33:22","date_gmt":"2025-06-06T03:33:22","guid":{"rendered":"https:\/\/www.lansitec.com\/?p=15636"},"modified":"2025-07-28T03:27:17","modified_gmt":"2025-07-28T10:27:17","slug":"metrolink-technical-deployment-deep-dive-building-a-scalable-underground-tracking-system","status":"publish","type":"post","link":"https:\/\/www.lansitec.com\/pt\/blogs\/implantacao-tecnica-da-metrolink-analise-aprofundada-da-construcao-de-um-sistema-de-rastreamento-subterraneo-escalavel\/","title":{"rendered":"An\u00e1lise aprofundada da implanta\u00e7\u00e3o t\u00e9cnica do MetroLink: construindo um sistema de rastreamento subterr\u00e2neo escal\u00e1vel"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15636\" class=\"elementor elementor-15636\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-94920ea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"94920ea\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-39cea0a\" data-id=\"39cea0a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4746574 elementor-widget elementor-widget-text-editor\" data-id=\"4746574\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Introdu\u00e7\u00e3o \u00e0 implanta\u00e7\u00e3o t\u00e9cnica do MetroLink<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc5d8c8 elementor-widget elementor-widget-text-editor\" data-id=\"cc5d8c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ap\u00f3s o sucesso da implanta\u00e7\u00e3o do Lansitec pela MetroLink <strong><a href=\"https:\/\/www.lansitec.com\/pt\/produtos\/farol-de-capacete\/\">B011 Far\u00f3is de capacete<\/a><\/strong> Para a seguran\u00e7a dos trabalhadores subterr\u00e2neos, o pr\u00f3ximo passo l\u00f3gico \u00e9 uma an\u00e1lise t\u00e9cnica. Esta parte do estudo de caso explora como a MetroLink implementou uma infraestrutura de posicionamento full-stack subterr\u00e2nea, com base em <strong><a href=\"https:\/\/www.bluetooth.com\/bluetooth-resources\/bluetooth-core-5-1-feature-overview\/\" target=\"_blank\" rel=\"noopener\">Bluetooth 5.1<\/a> \u00c2ngulo de Chegada (AoA)<\/strong> tecnologia, <strong><a href=\"https:\/\/www.lansitec.com\/pt\/portais\/\">portais macro\/solares<\/a><\/strong>, e <strong>Backhaul baseado em LoRaWAN<\/strong> para fornecer um sistema de rastreamento de localiza\u00e7\u00e3o cont\u00ednuo e em tempo real.<\/p>\n<p>\u00a0<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>Ao combinar precis\u00e3o, efici\u00eancia da bateria e resili\u00eancia de conectividade, o sistema MetroLink prova que o Bluetooth AoA combinado com <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> \u00e9 uma arquitetura poderosa e escal\u00e1vel para ambientes subterr\u00e2neos complexos, incluindo infraestrutura de metr\u00f4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ccf6c7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ccf6c7\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d30669b\" data-id=\"d30669b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a730fcb elementor-widget elementor-widget-text-editor\" data-id=\"a730fcb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Componentes principais<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7b89e209 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7b89e209\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-37ad99b4\" data-id=\"37ad99b4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3680ddf4 elementor-widget elementor-widget-text-editor\" data-id=\"3680ddf4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<!-- wp:heading --><!-- \/wp:paragraph --><!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><b>B011 Farol de capacete<\/b><\/h2>\n<p><div class=\"vlp-link-container vlp-template-default\">\n\t<a href=\"https:\/\/www.lansitec.com\/pt\/produtos\/farol-de-capacete\/\" class=\"vlp-link\" title=\"B011 Farol de capacete\" rel=\"nofollow\" target=\"_blank\"><\/a>\t\t<div class=\"vlp-link-image-container\">\n\t\t<div class=\"vlp-link-image\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.lansitec.com\/wp-content\/uploads\/2023\/06\/Helmet-Sensor_Product-Main-Page.png\" style=\"max-width: 150px; max-height: 150px\" alt=\"\" title=\"\">\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"vlp-link-text-container\">\n\t\t\t\t<div class=\"vlp-link-title\">\n\t\t\t<a href=\"https:\/\/www.lansitec.com\/fr\/produits\/balise-de-casque\/\">B011 Farol de capacete<\/a>\t\t<\/div>\n\t\t\t\t\t\t<div class=\"vlp-link-summary\">\n\t\t\tO Lansitec <a href=\"https:\/\/www.lansitec.com\/fr\/produits\/balise-de-casque\/\">B011 Farol de capacete<\/a> \u00c9 projetado especificamente para contextos industriais, de sa\u00fade ou de seguran\u00e7a, onde o rastreamento Bluetooth confi\u00e1vel e de longa dura\u00e7\u00e3o \u00e9 crucial.\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n<\/p>\n<p>O B011 serviu como o principal dispositivo vest\u00edvel, selecionado por:<\/p>\n<ul>\n<li aria-level=\"1\"><b><a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/guide-sur-les-differentes-versions-bluetooth-de-1-0-a-6-0-et-leurs-ameliorations-successives\/\">Bluetooth 5.1<\/a> Suporte ao AoA<\/b><\/li>\n<li aria-level=\"1\"><b>Bateria recarreg\u00e1vel de 1200mAh<\/b> (tempo de execu\u00e7\u00e3o de 1 ano em intervalos de 0,5 s)<\/li>\n<li aria-level=\"1\"><b>Prote\u00e7\u00e3o de entrada IP66<\/b><\/li>\n<li aria-level=\"1\">Um opcional <b>campainha<\/b> para alertas de \u00e1udio e recall de trabalhadores<\/li>\n<li aria-level=\"1\">Intervalos de publicidade ajust\u00e1veis: 100 ms a 10 s<\/li>\n<li aria-level=\"1\">Peso: apenas 90g \u2014 ideal para montagem em capacete<\/li>\n<\/ul>\n<p>Esses <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> Transmite constantemente pacotes de posicionamento. Quando recebidos pelos dispositivos ao redor. <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> Equipados com conjuntos de antenas AoA, permitem a trilatera\u00e7\u00e3o 2D para estimar a localiza\u00e7\u00e3o precisa.<\/p>\n<h3><b> Gateways Bluetooth Macro (LoRaWAN)<\/b><\/h3>\n<p><div class=\"vlp-link-container vlp-layout-basic\"><a href=\"https:\/\/www.lansitec.com\/pt\/produtos\/gateway-bluetooth-macro-lorawan\/\" class=\"vlp-link\" title=\"Gateway Bluetooth Macro LoRaWAN\" rel=\"nofollow\" target=\"_blank\"><\/a><div class=\"vlp-layout-zone-side\"><div class=\"vlp-block-2 vlp-link-image\"><img decoding=\"async\" src=\"https:\/\/www.lansitec.com\/wp-content\/uploads\/2023\/06\/Macro-Bluetooth-Gateway_Product-Main-Page.png\" style=\"max-width: 150px; max-height: 150px\" alt=\"\" title=\"\"><\/div><\/div><div class=\"vlp-layout-zone-main\"><div class=\"vlp-block-0 vlp-link-title\"><a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> Macro <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/quest-ce-quune-passerelle-bluetooth-et-comment-fonctionne-t-elle\/\">Gateway Bluetooth<\/a><\/div><div class=\"vlp-block-1 vlp-link-summary\">O Macro Lansitec <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/quest-ce-quune-passerelle-bluetooth-et-comment-fonctionne-t-elle\/\">Gateway Bluetooth<\/a> Leva o rastreamento de longo alcance e baixo consumo de energia a um novo patamar. Projetado com <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> e <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/guide-sur-les-differentes-versions-bluetooth-de-1-0-a-6-0-et-leurs-ameliorations-successives\/\">Bluetooth 5.0<\/a> Em sua ess\u00eancia, ele coleta de forma eficiente dados de beacons ou sensores \u2014 como temperatura, umidade ou localiza\u00e7\u00e3o \u2014 e os encaminha para <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> para monitoramento em tempo real.<\/div><\/div><\/div><\/p>\n<p>Instalado a cada <b>80\u2013100 metros<\/b> dentro dos t\u00faneis, estes <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a>:<\/p>\n<ul>\n<li aria-level=\"1\">Receba pacotes BLE de fontes pr\u00f3ximas. <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> (alcance de aproximadamente 100 a 150 metros em linha reta)<\/li>\n<li aria-level=\"1\">Usar <b>Matrizes de antenas AoA<\/b> para calcular a dire\u00e7\u00e3o do sinal<\/li>\n<li aria-level=\"1\">Transmita os dados de posi\u00e7\u00e3o para o <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> servidor via <b>uplinks de longo alcance<\/b><\/li>\n<li aria-level=\"1\">Recurso <b>Baterias de 38.000 mAh<\/b>, proporcionando 3 a 5 anos de opera\u00e7\u00e3o aut\u00f4noma<\/li>\n<li aria-level=\"1\">Possui classifica\u00e7\u00e3o IP66 e \u00e9 de n\u00edvel industrial para condi\u00e7\u00f5es subterr\u00e2neas<\/li>\n<\/ul>\n<h3><b> Gateways Bluetooth internos e solares<\/b><\/h3>\n<p><div class=\"vlp-link-container vlp-layout-basic\"><a href=\"https:\/\/www.lansitec.com\/pt\/produtos\/gateway-bluetooth-solar-lorawan\/\" class=\"vlp-link\" title=\"Gateway Bluetooth Solar LoRaWAN\" rel=\"nofollow\" target=\"_blank\"><\/a><div class=\"vlp-layout-zone-side\"><div class=\"vlp-block-2 vlp-link-image\"><img decoding=\"async\" src=\"https:\/\/www.lansitec.com\/wp-content\/uploads\/2025\/03\/Solar-Bluetooth-Gateway_1-500%C3%97500px.png\" style=\"max-width: 150px; max-height: 150px\" alt=\"\" title=\"\"><\/div><\/div><div class=\"vlp-layout-zone-main\"><div class=\"vlp-block-0 vlp-link-title\"><a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> Solar <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/quest-ce-quune-passerelle-bluetooth-et-comment-fonctionne-t-elle\/\">Gateway Bluetooth<\/a><\/div><div class=\"vlp-block-1 vlp-link-summary\">Experimente o rastreamento e gerenciamento de ativos confi\u00e1veis e em tempo real com o sistema solar da Lansitec. <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/quest-ce-quune-passerelle-bluetooth-et-comment-fonctionne-t-elle\/\">Gateway Bluetooth<\/a>. Constru\u00eddo sobre a base robusta <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> e <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/guide-sur-les-differentes-versions-bluetooth-de-1-0-a-6-0-et-leurs-ameliorations-successives\/\">Bluetooth 5.0<\/a> Com base em protocolos BLE, este gateway coleta dados de dispositivos BLE pr\u00f3ximos de forma integrada. <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> e sensores \u2014 sejam eles de temperatura, umidade ou localiza\u00e7\u00e3o \u2014 e os transmite a longas dist\u00e2ncias via <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a>. <\/div><\/div><\/div><\/p>\n<ul>\n<li aria-level=\"1\"><b><a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">Gateways internos<\/a><\/b>: Instalado em salas t\u00e9cnicas, dep\u00f3sitos, centros de controle (alimentado por PoE, montado no teto)<\/li>\n<li aria-level=\"1\"><b>Solar <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">Portais<\/a><\/b>: Usado acima do solo em pontos de entrada de t\u00faneis e em p\u00e1tios de servi\u00e7o\n<ul>\n<li aria-level=\"2\">Equipado com <b>Baterias solares recarreg\u00e1veis de 5300mAh<\/b><\/li>\n<li aria-level=\"2\">Projetado para <b>opera\u00e7\u00e3o cont\u00ednua<\/b>, mesmo em condi\u00e7\u00f5es nubladas<\/li>\n<li aria-level=\"2\">Denunciar via <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> assim como macro <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b> Rede LoRaWAN<\/b><\/h3>\n<p>O <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> A infraestrutura era a espinha dorsal do fluxo de comunica\u00e7\u00e3o:<\/p>\n<ul>\n<li aria-level=\"1\">Forneceu conectividade de uplink de baixo consumo e longo alcance de todos os dispositivos. <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a><\/li>\n<li aria-level=\"1\">Criptografado com AES-128<\/li>\n<li aria-level=\"1\">Operado no <b>AU915<\/b> banda para cumprir com as regulamenta\u00e7\u00f5es regionais<\/li>\n<li aria-level=\"1\">Dados centralizados encaminhados para o sistema de controle do MetroLink para visualiza\u00e7\u00e3o, alertas e an\u00e1lises<\/li>\n<\/ul>\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Posicionamento AoA Bluetooth: como funciona<\/strong><\/h2>\n<!-- \/wp:heading -->\n<p>O \u00c2ngulo de Chegada (AoA) do Bluetooth \u00e9 a tecnologia-chave por tr\u00e1s do rastreamento preciso de trabalhadores subterr\u00e2neos da MetroLink.<br \/>Veja como funciona no campo:<\/p>\n<ol>\n<li aria-level=\"1\"><b>O farol B011<\/b> emite um sinal Bluetooth em intervalos (por exemplo, a cada 500 ms).<\/li>\n<li aria-level=\"1\"><b>Pelo menos dois com AoA habilitado <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a><\/b> receber o sinal simultaneamente.<\/li>\n<li aria-level=\"1\">Cada gateway calcula o <b>\u00e2ngulo<\/b> de onde o sinal chegou usando seu conjunto de antenas.<\/li>\n<li aria-level=\"1\">O sistema triangula a posi\u00e7\u00e3o do farol sobrepondo \u00e2ngulos de m\u00faltiplas fontes. <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a>.<\/li>\n<li aria-level=\"1\">A posi\u00e7\u00e3o \u00e9 enviada via <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> para o centro de controle.<\/li>\n<\/ol>\n<p><b>Precis\u00e3o de posicionamento alcan\u00e7ada:<\/b><\/p>\n<ul>\n<li aria-level=\"1\">M\u00e9dia: <b>1,5\u20133 metros<\/b><\/li>\n<li aria-level=\"1\">Em geometria de t\u00fanel ideal: at\u00e9 <b>1 metro<\/b><\/li>\n<li aria-level=\"1\">Em \u00e1reas congestionadas (por exemplo, cruzamentos): ~3,5 metros devido \u00e0 reflex\u00e3o do sinal<\/li>\n<\/ul>\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Planejamento de Implanta\u00e7\u00e3o<\/strong><\/h2>\n<!-- \/wp:heading -->\n<h3><b>Levantamento de Sinal e Mapeamento de Cobertura<\/b><\/h3>\n<p>Antes da implementa\u00e7\u00e3o completa, a equipe de tecnologia da MetroLink conduziu uma an\u00e1lise em todo o t\u00fanel <b>Levantamento de RF<\/b> usando a demonstra\u00e7\u00e3o <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> e sinalizadores para:<\/p>\n<ul>\n<li aria-level=\"1\">Identificar zonas de alta reflex\u00e3o (grades de metal, paredes curvas)<\/li>\n<li aria-level=\"1\">Otimizar o espa\u00e7amento do gateway (mais estreito em curvas\/interse\u00e7\u00f5es)<\/li>\n<li aria-level=\"1\">Garantir <b>redund\u00e2ncia<\/b> (3 <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> por zona para triangula\u00e7\u00e3o)<\/li>\n<\/ul>\n<p><b>Layout t\u00edpico do gateway:<\/b><\/p>\n<ul>\n<li aria-level=\"1\">T\u00faneis retos: 1 a cada 80\u2013100 metros<\/li>\n<li aria-level=\"1\">Zonas de jun\u00e7\u00e3o: 3 em um padr\u00e3o triangular a cada 50 metros<\/li>\n<li aria-level=\"1\">Po\u00e7os de escape de emerg\u00eancia: 1 portal solar na superf\u00edcie<\/li>\n<\/ul>\n<h3><b>Fases de implanta\u00e7\u00e3o<\/b><\/h3>\n<p><b>Fase 1: Piloto do Loop Central<\/b><\/p>\n<ul>\n<li aria-level=\"1\">Se\u00e7\u00e3o de teste de 12 km<\/li>\n<li aria-level=\"1\">50 <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> emitido para t\u00e9cnicos de campo<\/li>\n<li aria-level=\"1\">40 macro <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> implantado<\/li>\n<li aria-level=\"1\">Unidades solares testadas em 3 portais de superf\u00edcie<\/li>\n<\/ul>\n<p><b>Resultados:<\/b><\/p>\n<ul>\n<li aria-level=\"1\">Cobertura de localiza\u00e7\u00e3o 95%<\/li>\n<li aria-level=\"1\">mediana de precis\u00e3o de 3m<\/li>\n<li aria-level=\"1\">O piloto de detec\u00e7\u00e3o de quedas foi testado com feedback positivo<\/li>\n<\/ul>\n<p><b>Fase 2: Implementa\u00e7\u00e3o em toda a rede<\/b><\/p>\n<ul>\n<li aria-level=\"1\">Capacete 400 <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">Far\u00f3is<\/a> publicado<\/li>\n<li aria-level=\"1\">325 Macro <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">Portais<\/a> instalado<\/li>\n<li aria-level=\"1\">45 <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">Gateways internos<\/a> localizados em esta\u00e7\u00f5es e centros<\/li>\n<li aria-level=\"1\">30 Solar <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">Portais<\/a> para zonas de acesso externo<\/li>\n<\/ul>\n<h3><b>Fluxo de dados e integra\u00e7\u00e3o de plataforma<\/b><\/h3>\n<ol>\n<li aria-level=\"1\"><b>Beacon transmite \u2192 Gateway recebe (AoA)<\/b><\/li>\n<li aria-level=\"1\">O gateway calcula a localiza\u00e7\u00e3o e criptografa a carga \u00fatil<\/li>\n<li aria-level=\"1\"><b><a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> Link ascendente do gateway<\/b>\n<ul>\n<li aria-level=\"2\">Alcance: 1,5\u20132 km, mesmo em ambiente urbano<\/li>\n<li aria-level=\"2\">Taxa de uplink: 1 pacote de localiza\u00e7\u00e3o a cada 5 segundos (configur\u00e1vel)<\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\">O servidor central recebe e decodifica a carga \u00fatil<\/li>\n<li aria-level=\"1\">Vis\u00e3o dos operadores da sala de controle:\n<ul>\n<li aria-level=\"2\">Mapa ao vivo do pessoal<\/li>\n<li aria-level=\"2\">Status da cerca geogr\u00e1fica<\/li>\n<li aria-level=\"2\">Alertas (queda, SOS, viola\u00e7\u00f5es de zona)<\/li>\n<li aria-level=\"2\">Localiza\u00e7\u00e3o do equipamento (via Container <a href=\"https:\/\/www.lansitec.com\/fr\/traqueurs\/\">Rastreadores<\/a>)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>Os dados foram inseridos no painel compat\u00edvel com SCADA do MetroLink por meio de uma ponte de API.<\/p>\n<h3><b>Principais desafios e solu\u00e7\u00f5es<\/b><\/h3>\n<table>\n<thead>\n<tr>\n<th>\n<p><b>Desafio<\/b><\/p>\n<\/th>\n<th>\n<p><b>Resolu\u00e7\u00e3o<\/b><\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\n<p>Reflex\u00e3o de sinal em t\u00faneis estreitos<\/p>\n<\/td>\n<td>\n<p>Densidade extra de gateway + triangula\u00e7\u00e3o adaptativa<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Acesso \u00e0 bateria para unidades montadas no teto<\/p>\n<\/td>\n<td>\n<p>Todos os dispositivos selecionados com <b>Baterias de 3 a 5 anos<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Ado\u00e7\u00e3o de trabalhadores<\/p>\n<\/td>\n<td>\n<p>Design simples plug-and-play; sem aprendizado de UX<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Colis\u00e3o de farol em alta densidade<\/p>\n<\/td>\n<td>\n<p>Intervalos de publicidade escalonados por localiza\u00e7\u00e3o<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>Seguran\u00e7a e resili\u00eancia do sistema<\/b><\/h3>\n<ul>\n<li aria-level=\"1\"><b>Criptografia<\/b>: AES-128 tanto no Bluetooth quanto <a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> camadas<\/li>\n<li aria-level=\"1\"><b>Dispositivos de seguran\u00e7a<\/b>:\n<ul>\n<li aria-level=\"2\">Cache local: <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> Armazene as 40 posi\u00e7\u00f5es recentes caso a conex\u00e3o falhe.<\/li>\n<li aria-level=\"2\">Funcionalidade do bot\u00e3o SOS mesmo durante interrup\u00e7\u00f5es tempor\u00e1rias de uplink<\/li>\n<li aria-level=\"2\"><b><a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/fota-a-grande-echelle-comment-maintenir-1-000-appareils-sur-le-meme-firmware-sans-intervention-sur-site\/\">FOTA<\/a><\/b> (Firmware Over-the-Air): Compat\u00edvel com <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> e <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> para atualiza\u00e7\u00f5es remotas<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Li\u00e7\u00f5es aprendidas<\/strong><\/h2>\n<!-- \/wp:heading -->\n<p><b>Algoritmos de ajuste fino de AoA<\/b><\/p>\n<p>A MetroLink colaborou com os engenheiros da Lansitec para:<\/p>\n<ul>\n<li aria-level=\"1\">Calibrar antenas para curvatura de t\u00fanel<\/li>\n<li aria-level=\"1\">Ajuste algoritmos para compensar a interfer\u00eancia de rebote<\/li>\n<li aria-level=\"1\">Usar <b>filtrado <a href=\"https:\/\/www.lansitec.com\/fr\/blogs\/positionnement-interieur-rssi\/\">RSSI<\/a> + AoA<\/b> fus\u00e3o para precis\u00e3o de borda<\/li>\n<\/ul>\n<p><b>A redund\u00e2ncia de infraestrutura n\u00e3o \u00e9 negoci\u00e1vel<\/b><\/p>\n<p>A cobertura de camada dupla (triangula\u00e7\u00e3o AoA + zona de fallback) garantiu que as posi\u00e7\u00f5es dos trabalhadores pudessem ser resolvidas mesmo com um n\u00f3 com falha.<\/p>\n<p><b>O planejamento da bateria do Gateway \u00e9 importante<\/b><\/p>\n<p>Macro <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> obrigat\u00f3rio <b>manuten\u00e7\u00e3o menos frequente<\/b>, mas a modelagem da bateria era essencial, incluindo simula\u00e7\u00f5es de taxa de drenagem baseadas na temperatura.<\/p>\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Expans\u00e3o Futura: Planos T\u00e9cnicos<\/strong><\/h2>\n<!-- \/wp:heading -->\n<p>O roteiro do MetroLink inclui:<\/p>\n<ul>\n<li aria-level=\"1\"><b>M\u00f3dulos Edge AI<\/b> no <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">portais<\/a> para detec\u00e7\u00e3o de anomalias locais<\/li>\n<li aria-level=\"1\"><b>Temperatura <a href=\"https:\/\/www.lansitec.com\/fr\/capteurs\/\">sensores<\/a><\/b> em <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">far\u00f3is<\/a> para alerta de seguran\u00e7a contra inc\u00eandio<\/li>\n<li aria-level=\"1\"><b>Alertas espec\u00edficos de zona<\/b> via feedback de campainha (por exemplo, ao entrar em zonas de perigo)<\/li>\n<li aria-level=\"1\"><b>Pooling de Beacons para Empreiteiros<\/b>: um sistema de emiss\u00e3o de beacon tempor\u00e1rio com protocolos de expira\u00e7\u00e3o<\/li>\n<\/ul>\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Conclus\u00e3o<\/strong><\/h2>\n<!-- \/wp:heading -->\n<p>O sucesso t\u00e9cnico da implanta\u00e7\u00e3o do rastreamento AoA Bluetooth da MetroLink reside em <b>planejamento, sinergia de dispositivos e realismo operacional<\/b>. Ao combinar a Lansitec <b>Capacete B011 <a href=\"https:\/\/www.lansitec.com\/fr\/balises-bluetooth\/\">Far\u00f3is<\/a><\/b>, <b>Macro <a href=\"https:\/\/www.lansitec.com\/fr\/passerelles\/\">Portais<\/a><\/b>, <b>Unidades solares<\/b>, e <b><a href=\"https:\/\/www.lansitec.com\/fr\/lorawan\/\">LoRaWAN<\/a> conectividade<\/b>, a autoridade alcan\u00e7ou um sistema que n\u00e3o \u00e9 apenas preciso, mas tamb\u00e9m robusto, aut\u00f4nomo e escal\u00e1vel.<\/p>\n<p>Na infraestrutura metropolitana de hoje, a seguran\u00e7a n\u00e3o \u00e9 mais uma tarefa manual. \u00c9 <b>projetado, sem fio e sempre ativo<\/b>.<\/p>\n<!-- wp:visual-link-preview\/link {\"image_id\":-1,\"type\":\"external\",\"url\":\"https:\/\/www.lansitec.com\/blogs\/improving-metro-safety-and-efficiency-with-real-time-tracking-the-metrolink-lansitec-partnership\/\",\"nofollow\":true,\"new_tab\":true,\"encoded\":\"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\"} -->\n<div class=\"wp-block-visual-link-preview-link\"><img decoding=\"async\" class=\"vlp-image\" src=\"https:\/\/www.lansitec.com\/wp-content\/uploads\/2025\/06\/Improving-Metro-Safety-and-Efficiency-with-Real-Time-Tracking.jpg\" alt=\"\" title=\"\">\n<h3>Melhorando a seguran\u00e7a e a efici\u00eancia do metr\u00f4 com rastreamento em tempo real: a parceria MetroLink \u2013 Lansitec \u2013 Lansitec<\/h3>\n<div class=\"summary\">Para a MetroLink Operations, uma operadora de transporte metropolitano australiana de m\u00e9dio porte, esse desafio tornou-se urgente: com mais de 400 trabalhadores gerenciando mais de 75 quil\u00f4metros<\/div>\n<\/div>\n<!-- \/wp:visual-link-preview\/link --><!-- wp:paragraph -->\n<p>\u00a0<\/p>\n<!-- \/wp:paragraph -->\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction to MetroLink Technical Deployment Following the success of MetroLink\u2019s deployment of Lansitec\u2019s B011 Helmet Beacons for underground worker safety, the next logical step is a technical breakdown. This part of the case study explores how MetroLink implemented a full-stack positioning infrastructure underground, relying on Bluetooth 5.1 Angle of Arrival (AoA) technology, macro\/solar gateways, and&hellip;&nbsp;<a href=\"https:\/\/www.lansitec.com\/pt\/blogs\/implantacao-tecnica-da-metrolink-analise-aprofundada-da-construcao-de-um-sistema-de-rastreamento-subterraneo-escalavel\/\" rel=\"bookmark\">Ler mais \u00bb<span class=\"screen-reader-text\">An\u00e1lise aprofundada da implanta\u00e7\u00e3o t\u00e9cnica do MetroLink: construindo um sistema de rastreamento subterr\u00e2neo escal\u00e1vel<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":15669,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[89],"tags":[],"class_list":["post-15636","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iot-case-studies"],"_links":{"self":[{"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/posts\/15636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/comments?post=15636"}],"version-history":[{"count":0,"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/posts\/15636\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/media\/15669"}],"wp:attachment":[{"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/media?parent=15636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/categories?post=15636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lansitec.com\/pt\/wp-json\/wp\/v2\/tags?post=15636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}