<?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>1815-5928</journal-id>
<journal-title><![CDATA[Ingeniería Electrónica, Automática y Comunicaciones]]></journal-title>
<abbrev-journal-title><![CDATA[EAC]]></abbrev-journal-title>
<issn>1815-5928</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de La Habana José Antonio Echeverría, Cujae]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59282020000200098</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Propuesta de diseño de una Red de Frecuencia Única basada en el ajuste de los retardos de transmisión]]></article-title>
<article-title xml:lang="en"><![CDATA[Design proposal for a Single Frequency Network employing Radio Mobile software]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garrido Mirabal]]></surname>
<given-names><![CDATA[Dalila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Domínguez]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Boucourt Ferrer]]></surname>
<given-names><![CDATA[Leandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Hernández]]></surname>
<given-names><![CDATA[Reinier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,LACETEL  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ETECSA  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>41</volume>
<numero>2</numero>
<fpage>98</fpage>
<lpage>110</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59282020000200098&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59282020000200098&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59282020000200098&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La actual condición de simultaneidad de los servicios de Televisión Analógica y Digital, así como la evolución y crecimiento del número de servicios móviles, definen la necesidad en nuestro país de estudiar nuevas vías para hacer un uso más eficiente del espectro radioeléctrico. En este sentido, en el presente trabajo, se propone el análisis de una red de frecuencia única (SFN) como alternativa a la red de múltiples frecuencias (MFN) actualmente desplegada en La Habana para la radiodifusión de TVD. El grupo de simulaciones propuesto constituye una primera aproximación a las bondades y limitaciones de este tipo de red de radiodifusión en una etapa inicial de su posible despliegue. La estrategia de diseño empleada se basa en la selección de los retardos para cada transmisor de la red, buscando limitar los casos de auto-interferencia destructiva. Se comprueba la validez de esta estrategia y la aplicabilidad de SFN en las condiciones de evaluación, pues se mantiene la cobertura actual con un margen de protección de 9 µs para el intervalo de guarda teórico de 74 µs y de 4 dB respecto a los 15 dB de señal/interferencia (S/I) necesarios para la demodulación en DTMB en modo 6. Como uno de los principales aportes se introduce el software de creación propia Simulador de Interferencias para SFN que permite el análisis de interferencias en redes de múltiples transmisores, basado en el procesamiento de los datos que aporta Radio Mobile sobre la interferencia co-canal entre solo dos de los transmisores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The condition of coincidence between analog and digital television services, as well as the global evolution of mobile services, define our country's need to make a more efficient use of the spectrum. In this sense, it is proposed the analysis of Single Frequency Network (SFN) as an alternative to the currently deployed in Havana Multifrequency Network (MFN). The proposed group of simulations is a first approaching to the advantages and limitations of this kind of broadcasting network at an early stage of its possible deployment. The used design strategy is based on the selection of delays for each transmitter in the network as a way to limit the cases of destructive self-interference. One of the objectives is to validate this strategy and the applicability of SFN under the evaluation conditions. The current coverage is maintained with a protection margin of 9 us for the theoretical guard interval of 74 us and 4 dB for the 15 dB of signal/interference (S/I) required for DTMB mode 6 demodulation. One of the main contributions of this research is the software of own creation Interference Simulator for SFN. It allows the analysis of interference in networks of multiple transmitters and it is based on the processing of the data provided by Radio Mobile about the co-channel interference between only two of the transmitters.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Redes de Frecuencia Única]]></kwd>
<kwd lng="es"><![CDATA[Señal/Interferencia]]></kwd>
<kwd lng="es"><![CDATA[Televisión Digital]]></kwd>
<kwd lng="es"><![CDATA[Radio Mobile]]></kwd>
<kwd lng="en"><![CDATA[Signal Frequency Network]]></kwd>
<kwd lng="en"><![CDATA[Signal/Interference]]></kwd>
<kwd lng="en"><![CDATA[Digital Television]]></kwd>
<kwd lng="en"><![CDATA[Radio Mobile]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Iliev]]></surname>
<given-names><![CDATA[TB]]></given-names>
</name>
<name>
<surname><![CDATA[Mihaylov]]></surname>
<given-names><![CDATA[GY]]></given-names>
</name>
<name>
<surname><![CDATA[Ivanova]]></surname>
<given-names><![CDATA[EP]]></given-names>
</name>
<name>
<surname><![CDATA[Stoyanov]]></surname>
<given-names><![CDATA[IS]]></given-names>
</name>
<name>
<surname><![CDATA[Radev]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
</person-group>
<source><![CDATA[Experimental study of the basic parameters and the field strength of a television transmitter in the single frequency network (SFN)]]></source>
<year>2017</year>
<conf-name><![CDATA[ 27thInternational Conference Radioelektronika]]></conf-name>
<conf-date>2017</conf-date>
<conf-loc>Brno, Czech Republic </conf-loc>
<page-range>1-4</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plets]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Joseph]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<source><![CDATA[SFN Gain in Broadcast Network]]></source>
<year>2011</year>
<conf-name><![CDATA[ IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)]]></conf-name>
<conf-date>2011</conf-date>
<conf-loc> </conf-loc>
<publisher-loc><![CDATA[Nuremberg, Germany ]]></publisher-loc>
<publisher-name><![CDATA[IEEE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bóveda]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Marcos]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Ponce]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Aranaz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[MER degradation in a broadcast mobile network]]></source>
<year>2009</year>
<conf-name><![CDATA[ E International Symposium on Broadband Multimedia Systems and Broadcasting]]></conf-name>
<conf-date>2009</conf-date>
<conf-loc> </conf-loc>
<page-range>1-5</page-range><publisher-loc><![CDATA[Bilbao, Spain ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruckveratham]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Promwong]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluation of SFN gain for DVB-T2]]></source>
<year>2017</year>
<conf-name><![CDATA[ International Conference on Digital Arts, Media and Technology (ICDAMT)]]></conf-name>
<conf-loc>Chiang Mai, Thailand </conf-loc>
<page-range>85-93</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plets]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Joseph]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Angueira]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Arenas]]></surname>
<given-names><![CDATA[JAJA]]></given-names>
</name>
<name>
<surname><![CDATA[Verloock]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Martens]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the methodology for calculating SFN gain in digital broadcast systems]]></article-title>
<source><![CDATA[IEEE Transactions on Broadcasting]]></source>
<year>2010</year>
<volume>56</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>331-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Telemi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Brugger]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Angulo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Angueira]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Planning Large Single Frequency Networks for DVB-T2]]></article-title>
<source><![CDATA[IEEE Transactions on Broadcasting]]></source>
<year>2015</year>
<volume>61</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>376-87</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="book">
<collab>ITU-R</collab>
<source><![CDATA[Report ITU-R Digital terrestrial broadcasting: Design and implementation of single frequency networks (SFN)]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Geneva ]]></publisher-loc>
<publisher-name><![CDATA[ITU]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruisánchez]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Cesar]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
<name>
<surname><![CDATA[Adán]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Pupo]]></surname>
<given-names><![CDATA[EF]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis del comportamiento de la ganancia de SFN para DTMB]]></article-title>
<source><![CDATA[Revista Ingeniería Electrónica, Automática y Comunicaciones]]></source>
<year>2019</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-80</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Enríquez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<source><![CDATA[Diseño de una Red de Frecuencia Única (R.F.U.) para operación de un canal de Televisión UHF en la Ciudad de Guayaquil]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Guayaquil, Ecuador ]]></publisher-loc>
<publisher-name><![CDATA[Escuela Superior Politécnica del Litoral]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="">
<source><![CDATA[The State Administration of Radio, Film and Television: Implementation guidelines for transmission system of digital terrestrial television broadcasting. Standard GYT236-2008]]></source>
<year>2008</year>
<publisher-loc><![CDATA[China ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
</person-group>
<source><![CDATA[Parámetros de calidad de recepción del estandar DTMB en 6MHz]]></source>
<year>2014</year>
<conf-name><![CDATA[ IEEE Biennial Congress of Argentina (ARGENCON)]]></conf-name>
<conf-date>2014</conf-date>
<conf-loc>Bariloche, Argentina </conf-loc>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kusunoki]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Retransmissão do Sinal de TV Digital no padrão Brasileiro com Redes SFN e gap filler]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Curitiba, Brasil ]]></publisher-loc>
<publisher-name><![CDATA[Universidade Tecnológica Federal do Paraná]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mattsson]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Single frequency networks in DTV]]></article-title>
<source><![CDATA[IEEE Transactions on Broadcasting]]></source>
<year>2005</year>
<volume>51</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>413-22</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caiwei]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Pablo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Roland]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Xiaolin]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Javier]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Optimal DVB-T2 network planning using theoretical SFNs]]></source>
<year>2014</year>
<conf-name><![CDATA[ IEEE International Symposium on Broadband Multimedia Systems and Broadcasting]]></conf-name>
<conf-date>2014</conf-date>
<conf-loc> </conf-loc>
<publisher-loc><![CDATA[Beijing, China ]]></publisher-loc>
<publisher-name><![CDATA[IEEE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[T. Sato]]></surname>
<given-names><![CDATA[BR]]></given-names>
</name>
<name>
<surname><![CDATA[P.]]></surname>
<given-names><![CDATA[Ivan]]></given-names>
</name>
<name>
<surname><![CDATA[A.]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
</person-group>
<source><![CDATA[A comparison between theoretical and practical planning approaches for DVB-T2 single frequency networks]]></source>
<year>2015</year>
<conf-name><![CDATA[ IEEE International Symposium on Broadband Multimedia Systems and Broadcasting]]></conf-name>
<conf-date>2015</conf-date>
<conf-loc> </conf-loc>
<page-range>1-6</page-range><publisher-loc><![CDATA[Ghent, Belgium ]]></publisher-loc>
<publisher-name><![CDATA[IEEE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bregni]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lacavalla]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Propersi]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Residori]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<source><![CDATA[Synchronization of single-frequency simulcast networks using network time protocol]]></source>
<year>2007</year>
<conf-name><![CDATA[ IEEE International Conference on Communications]]></conf-name>
<conf-date>2007</conf-date>
<conf-loc>Glasgow, UK </conf-loc>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="">
<source><![CDATA[Resolución No.79/2018. Especificaciones Técnicas y de Operación que tienen que cumplir los receptores empleados para Televisión Digital Terrestre en Cuba]]></source>
<year>2018</year>
<publisher-loc><![CDATA[La Habana, Cuba ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Database]]></surname>
<given-names><![CDATA[MGPC]]></given-names>
</name>
</person-group>
<source><![CDATA[Distancia entre dos puntos / coordenadas]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Madrid,España ]]></publisher-loc>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
