{"id":8414,"date":"2021-09-21T12:32:31","date_gmt":"2021-09-21T12:32:31","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=8414"},"modified":"2021-09-21T12:32:31","modified_gmt":"2021-09-21T12:32:31","slug":"hva-er-lora-og-lorawan-teknologi","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/no\/telekommunikasjon\/hva-er-lora-og-lorawan-teknologi\/","title":{"rendered":"Hva er LoRa- og LoRaWAN-teknologi?"},"content":{"rendered":"\n<p>LoRa er et tr\u00e5dl\u00f8st kommunikasjonssystem med lang rekkevidde og lavt str\u00f8mforbruk som kan sende sm\u00e5 datamengder over store avstander. Disse to egenskapene gj\u00f8r det til en attraktiv l\u00f8sning for anvendelse i IoT- og IIoT-bransjen.<\/p>\n\n\n\n<p>LoRaWAN (lang rekkevidde-nettverk) er protokollen bygget p\u00e5 toppen av LoRa-modulasjonen. Det er et programvarelag som definerer hvordan utstyr bruker LoRa-maskinvaren, f.eks. n\u00e5r de overf\u00f8rer meldinger og type format.<\/p>\n\n\n\n<div class=\"wp-block-image cnvs-block-core-image-1627988497990\"><figure class=\"aligncenter size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"590\"  height=\"555\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAk4AAAIrAQMAAAAjroRfAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAD9JREFUeNrtwTEBAAAAwqD1T20KP6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAuBiimQABrYznkgAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-4821 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 590px) 100vw, 590px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/08\/LoRa-Overview-Applications.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/LoRa-Overview-Applications.png 590w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/LoRa-Overview-Applications.png?resize=300,282 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/LoRa-Overview-Applications.png?resize=380,357 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/LoRa-Overview-Applications.png?resize=550,517 550w\" ><figcaption>The wireless communication and its range of healthcare, agriculture, industrial control, buildings, cities, environment, metering and supply chain &amp; logistics.<\/figcaption><\/figure><\/div>\n\n\n\n<h2 id=\"hva-er-lora\" class=\"wp-block-heading\">Hva er LoRa?<\/h2>\n\n\n\n<p>LoRa er en forkortelsen for &laquo;long range&raquo;. Det er et av de effektive tr\u00e5dl\u00f8se kommunikasjonssystemene med lang rekkevidde og lav effekt utviklet av Semtech.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em>LoRa-enheter gir ideelle funksjoner for IoT-applikasjoner, inkludert kommunikasjon over store avstander, lavt str\u00f8mforbruk og sikker dataoverf\u00f8ring. Teknologien kan brukes av offentlige, private eller hybridnettverk og gir st\u00f8rre rekkevidde enn mobilnett. <\/em><\/p><cite>Av Semtech<\/cite><\/blockquote>\n\n\n\n<p>Langdistansekommunikasjon og lavt effektforbruk gj\u00f8r LoRa ideell for industrielle IoT-applikasjoner. Videre l\u00f8ser den mange nye utfordringer i landlige og urbane omr\u00e5der over hele verden, inkludert klimaendringer, forurensning og naturkatastrofer.<br><br><br>P\u00e5 grunn av sin enkelhet og kostnadseffektivitet, er det mye brukt innen transport, produksjon, landbruk, husholdningsapparater og til og med, i noen tilfeller b\u00e6rbare enheter.<\/p>\n\n\n\n<h2 id=\"hvordan-fungerer-lora\" class=\"wp-block-heading\">Hvordan fungerer LoRa?<\/h2>\n\n\n\n<p>LoRa er en tr\u00e5dl\u00f8s moduleringsteknikk basert p\u00e5 teknologien Chirp Spread Spectrum (CSS). Den koder informasjon p\u00e5 radiob\u00f8lger ved hjelp av chirp-pulser. Moduleringen er sv\u00e6rt robust mot forstyrrelser og kan mottas over store avstander avhengig av maskinvarekapasiteten.<br><br><br>Sjekk ut denne videoen fra Richard Wenner, som forklarer hvordan CSS fungerer:<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"LoRa CHIRP\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/dxYY097QNs0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><figcaption>Animation of LoRa CHIRP Spread Spectrum.<\/figcaption><\/figure>\n\n\n\n<p>LoRa er ideell for applikasjoner som overf\u00f8rer sm\u00e5 datamengder med lave bithastigheter. Data kan overf\u00f8res over et st\u00f8rre omr\u00e5de enn andre tr\u00e5dl\u00f8se teknologier som Wi-Fi, Bluetooth, ZigBee. Dette gj\u00f8r LoRa ideell for sending av sensordata med lav effekt.<\/p>\n\n\n\n<p>Videre kan LoRa brukes p\u00e5 lisensfrie sub-gigahertz-b\u00e5ndbreddene som 915MHz, 868MHz og 433MHz. Den kan ogs\u00e5 brukes p\u00e5 2,4 GHz for mye h\u00f8yere datahastigheter til gitte kostnader. Disse frekvensene faller inn i ISM-b\u00e5ndene som er reservert internasjonalt for industrielle, vitenskapelige og medisinske form\u00e5l.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"362\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAFqAQMAAAC+hLpbAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAENJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALwbtmoAAZ2tZ\/0AAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-4829 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/08\/Technology-stack-2-1024x362.png\" ><\/figure><\/div>\n\n\n\n<h2 id=\"hva-er-lorawan\" class=\"wp-block-heading\">Hva er LoRaWAN?<\/h2>\n\n\n\n<p>LoRaWAN-spesifikasjonen er en nettverksstandard med lav effekt og lang rekkevidde basert p\u00e5 LoRa. Den er designet for \u00e5 koble batteridrevne enheter tr\u00e5dl\u00f8st til internett i regionale, nasjonale og globale nettverk.<br><br><br>LoRaWAN er programvarelaget som bestemmer hvordan enheter bruker LoRa-maskinvaren, for eksempel n\u00e5r de overf\u00f8rer data og hvilken type format. Protokollen i seg selv er utviklet og vedlikeholdt av LoRa Alliance.<br><br><br>Viktigst er at LoRaWAN-spesifikasjonen en standard som muliggj\u00f8r s\u00f8ml\u00f8s integrering mellom enheter fra forskjellige produsenter. Denne faktoren er en av grunnene til at LoRa-teknologien har tatt av i IoT-bransjen.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"768\"  height=\"421\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAwAAAAGlAQMAAAB3AQO5AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAD5JREFUeNrtwTEBAAAAwqD1T20JT6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgZJ+FAAGFZpi6AAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-4836 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 768px) 100vw, 768px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/08\/4-768x421-1.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/4-768x421-1.png 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/4-768x421-1.png?resize=300,164 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/4-768x421-1.png?resize=380,208 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/4-768x421-1.png?resize=550,301 550w\" ><\/figure><\/div>\n\n\n\n<h2 id=\"hvordan-fungerer-lorawan\" class=\"wp-block-heading\">Hvordan fungerer LoRaWAN?<\/h2>\n\n\n\n<p>LoRaWAN-arkitekturen best\u00e5r av fire hovedkomponenter:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Sluttnoder<\/li><li>Gateway<\/li><li>Nettverksserver<\/li><li>Applikasjonsserver<\/li><\/ul>\n\n\n\n<p>I denne arkitekturen kan du se hvordan LoRa og LoRaWAN tillater at brede og tette nettverk av edge-enheter kobles til. Dette lar deg samle inn og overv\u00e5ke data fra tusenvis av noder p\u00e5 en h\u00e5ndterbar m\u00e5te.<br><br><strong><br>Sluttnoder<\/strong>&nbsp;&#8211; Enheter som er plassert p\u00e5 slutten av nettverket. De er vanligvis utstyrt med sensorer for \u00e5 samle inn og overv\u00e5ke data med jevne mellomrom. De kommer vanligvis i form av en laveffekts mikrokontroller som kan st\u00e5 plassert i ute felten i mange \u00e5r uten noe vedlikehold og utstyrt med en laveffekts LoRa-sender for \u00e5 sende datapakkene til gatewayen.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"507\"  height=\"327\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAfsAAAFHAQMAAACcTXefAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACtJREFUeNrtwTEBAAAAwqD1T20KP6AAAAAAAAAAAAAAAAAAAAAAAAAAAOBuUwcAAeAfmGEAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-4843 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 507px) 100vw, 507px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/08\/sensecap-light-sensor.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sensecap-light-sensor.png 507w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sensecap-light-sensor.png?resize=300,193 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sensecap-light-sensor.png?resize=380,245 380w\" ><\/figure><\/div>\n\n\n\n<p><strong>Gateways<\/strong>&nbsp;&#8211; LoRaWAN Gateways er broen mellom nodene og nettverket. De mottar informasjonen fra sluttnodene ved hjelp av en LoRa-konsentrator og videresender deretter dataene til nettverksserveren via internett eller privat nettverksinfrastruktur. Gateways essential blir betraktet som en pakkeformidler siden det er den prim\u00e6re funksjonen de har.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"700\"  height=\"467\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAArwAAAHTAQMAAAD\/PlkSAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAD9JREFUeNrtwYEAAAAAw6D5U5\/gBlUBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAyiWwABlqXtewAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-4850 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 700px) 100vw, 700px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/08\/f613e6fd392c7227f706ec8a4ba2fb6e-original.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/f613e6fd392c7227f706ec8a4ba2fb6e-original.jpg 700w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/f613e6fd392c7227f706ec8a4ba2fb6e-original.jpg?resize=300,200 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/f613e6fd392c7227f706ec8a4ba2fb6e-original.jpg?resize=380,254 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/f613e6fd392c7227f706ec8a4ba2fb6e-original.jpg?resize=550,367 550w\" ><\/figure><\/div>\n\n\n\n<p><strong>Nettverksserver<\/strong>&nbsp;&#8211; Cloud LoRa-serveren samler alle dataene den mottar fra gatewayene og laster den opp til applikasjonsserveren. Et eksempel p\u00e5 en nettverksserver kan v\u00e6re The Things Network (TTN).<br><br><br><strong>Applikasjonsserver<\/strong>&nbsp;&#8211; Med applikasjonsserveren kan du tolke dataene visuelt eller analytisk. Du kan ogs\u00e5 integrere datapunktene i en plattform for \u00e5 utf\u00f8re en handling, for eksempel \u00e5 sl\u00e5 p\u00e5 regnvannspumper for landbruk eller \u00e5pne vinduer i drivhus for \u00e5 regulere fuktighetsniv\u00e5et. Du kan ogs\u00e5 sette opp varslingstjenester for \u00e5 varsle en tekniker n\u00e5r et potensielt problem kan oppst\u00e5.<\/p>\n\n\n\n<h2 id=\"hvordan-brukes-lora-for-oyeblikket\" class=\"wp-block-heading\">Hvordan brukes LoRa for \u00f8yeblikket?<\/h2>\n\n\n\n<p>LoRa-teknologien er egnet for et bredt spekter av applikasjoner som krever periodisk overv\u00e5king med forskjellige sensorer. Applikasjoner inkluderer, men er ikke begrenset til, helsetjenester, landbruk, smarte byer, m\u00e5ling, forsyningskjede og logistikk. Det er spesifikke applikasjoner der teknologien sv\u00e6rt godt egnet, dette er applikasjoner som krever at sensornoder plasseres p\u00e5 avsidesliggende steder med sv\u00e6rt lite eller intet vedlikehold.<br><br><br>Landbruk og milj\u00f8overv\u00e5king er viktigste applikasjoner for bruk med LoRa. Vanligvis brukes de i landlige omgivelser uten mobilkommunikasjon eller infrastruktur for kortdistansekommunikasjon.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"360\"  height=\"220\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAWgAAADcAQMAAABnB6lBAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACFJREFUaN7twTEBAAAAwqD1T20Hb6AAAAAAAAAAAACA1wAniAABPGrx4QAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-4864 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 360px) 100vw, 360px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/08\/LoRaWAN-UseCaseEbook-SmartAg-Thumb-360x220-1-1-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/LoRaWAN-UseCaseEbook-SmartAg-Thumb-360x220-1-1-1.jpg 360w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/LoRaWAN-UseCaseEbook-SmartAg-Thumb-360x220-1-1-1.jpg?resize=300,183 300w\" ><figcaption>Wireless as grass sprinklers.<\/figcaption><\/figure><\/div>\n\n\n\n<h2 id=\"hvordan-kan-jeg-komme-i-gang-med-lora-teknologi\" class=\"wp-block-heading\">Hvordan kan jeg komme i gang med LoRa-teknologi?<\/h2>\n\n\n\n<p>I l\u00f8pet av de siste fem \u00e5rene har LoRa-teknologien akselerert p\u00e5 grunn av Semtech som har skapt og forbedret sine mottakerkretser og gateway-kretser. Mange produsenter bruker disse LoRa-kretsene for \u00e5 lage innovative, laveffekts noder og gateways som er perfekte for prototyping. Takket v\u00e6re mange av v\u00e5re leverand\u00f8rer har Elfa Distrelec et bredt utvalg av utviklingskort, sensornoder og gateways.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.elfadistrelec.no\/search?q=lora\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ta en titt p\u00e5 utvalget av LoRa-utviklingskort og moduler<\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"LoRa er et tr\u00e5dl\u00f8st kommunikasjonssystem med lang rekkevidde og lavt str\u00f8mforbruk som kan sende sm\u00e5 datamengder over store&hellip;\n","protected":false},"author":4,"featured_media":4882,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[221],"tags":[],"coauthors":[],"class_list":{"0":"post-8414","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-telekommunikasjon","8":"cs-entry","9":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hva er LoRa- og LoRaWAN-teknologi? 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