<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0012-7353</journal-id>
<journal-title><![CDATA[DYNA]]></journal-title>
<abbrev-journal-title><![CDATA[Dyna rev.fac.nac.minas]]></abbrev-journal-title>
<issn>0012-7353</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0012-73532021000100069</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v88n216.88258</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Performance evaluation of LoRa technology for implementation in rural areas]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de rendimiento de la tecnología LoRa para su implementación en zonas rurales]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tovar-Soto]]></surname>
<given-names><![CDATA[Jhonatan Paolo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pareja-Figueredo]]></surname>
<given-names><![CDATA[Carlos Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Navarrete]]></surname>
<given-names><![CDATA[Oscar Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Martínez]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación de Educación Superior San José  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación de Educación Superior San José  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Fundación de Educación Superior San José  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>88</volume>
<numero>216</numero>
<fpage>69</fpage>
<lpage>78</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532021000100069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532021000100069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532021000100069&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article presents the results obtained in the evaluation of the LoRa technology as an alternative communication protocol in rural areas, by making measurements in situ in a rural area between the municipalities of Sibaté and Granada in Cundinamarca, Colombia. Using a document search, the TTGO esp32 board was selected as device for testing. Additionally, a temperature sensor and a variable resistance were included to obtain measurements from a transmitter node, whose data was sent to a receiver node using the LoRa protocol with a distance of 500 meters between them and an approximate elevation gradient of 4° difference between the points. Finally, the information collected in the tests was subjected to a descriptive statistical analysis that allowed establishing the most reliable parameters of the protocol and identifying the appropriate spreading factor and bandwidth.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este artículo presenta los resultados obtenidos en la evaluación de la tecnología LoRa como protocolo alterno de comunicación en zonas rurales, a través de mediciones in situ en zona rural entre los municipios de Sibaté y Granada en Cundinamarca, Colombia. Mediante una búsqueda documental, la tarjeta TTGO esp32 se seleccionó como dispositivo para las pruebas. Adicionalmente, se incluyó un sensor de temperatura y una resistencia variable para obtener mediciones desde un nodo transmisor cuyos datos fueron enviados mediante el protocolo LoRa a un nodo receptor con 500 metros de distancia entre ambos y una pendiente de elevación aproximada de 4° de diferencia entre los puntos. Finalmente, la información recopilada en las pruebas se sometió a un análisis estadístico descriptivo que permitió establecer los parámetros de mayor confiabilidad del protocolo e identificar el factor de esparcimiento y el ancho de banda adecuados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[LoRa technology]]></kwd>
<kwd lng="en"><![CDATA[rural testing]]></kwd>
<kwd lng="en"><![CDATA[wireless communication]]></kwd>
<kwd lng="es"><![CDATA[Comunicaciones inalámbricas]]></kwd>
<kwd lng="es"><![CDATA[pruebas rurales]]></kwd>
<kwd lng="es"><![CDATA[tecnología LoRa]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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