?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Dise%C3%B1o+detallado+de+un+sistema+de+radiocomunicaciones+tren-tierra+de+banda+ancha+(TTBA)&rft.creator=Andr%C3%A9s+Mu%C3%B1oz%2C+Gabriel&rft.contributor=Moreno+Garc%C3%ADa-Loygorri%2C+Juan&rft.subject=Telecommunications&rft.subject=Transport&rft.description=En+los+%C3%BAltimos+a%C3%B1os%2C+los+sistemas+de+comunicaci%C3%B3n+inal%C3%A1mbrica+para+los+sistemas+de+transporte+est%C3%A1n+adquiriendo+cada+vez+m%C3%A1s+importancia.+Estos+sistemas+tienen+un+impacto+importante+en+el+rendimiento+del+transporte%2C+ya+que+pueden+aumentar+la+capacidad+de+las+l%C3%ADneas+e+incluso+a%C3%B1adir+cierta+seguridad+adicional%2C+proporcionar+caracter%C3%ADsticas+de+valor+a%C3%B1adido+a+los+operadores+(como+por+ejemplo+mantenimiento+a+distancia)+y+tambi%C3%A9n+servicios+adicionales+a+los+pasajeros%2C+como+acceso+a+Internet.+Sin+embargo%2C+la+puesta+en+servicio+de+todas+estas+caracter%C3%ADsticas+implica+enfrentarse+a+muchos+retos+relevantes+y+a+muchos+niveles%2C+no+s%C3%B3lo+t%C3%A9cnicos%2C+sino+tambi%C3%A9n+reglamentarios%2C+financieros%2C+etc.+En+este+proyecto+se+ha+adoptado+un+enfoque+pr%C3%A1ctico+de+todas+estas+cuestiones%2C+centr%C3%A1ndose+en+lo+que+el+ingeniero+ferroviario+realmente+necesita+saber%3A+lo+esencial%2C+pero+tambi%C3%A9n+los+retos.+As%C3%AD+pues%2C+hoy+en+d%C3%ADa+las+radiocomunicaciones+ferroviarias+son+un+campo+floreciente%2C+con+mucha+investigaci%C3%B3n+y+con+mucho+margen+para+evolucionar.+El+objetivo+de+este+proyecto+es+llevar+a+cabo+la+mejor+soluci%C3%B3n+posible+para+todo+lo+dicho+anteriormente.+Para+ello+se+va+a+realizar+el+dise%C3%B1o+de+un+sistema+de+radiocomunicaciones+de+banda+ancha+tren+tierra%2C+haciendo+un+estudio+profundo+de+todas+las+posibles+tecnolog%C3%ADas+no+solo+de+sus+caracter%C3%ADsticas+t%C3%A9cnicas+sino+tambi%C3%A9n+de+sus+costes%2C+y+despu%C3%A9s+decidir+viendo+cual+se+adapta+mejor+al+entorno+en+el+que+se+desplegar%C3%A1+la+red+ya+que+el+entorno+es+una+parte+importante+en+la+toma+final+de+la+decisi%C3%B3n.+Por+otro+lado%2C+se+ver%C3%A1+como+el+entorno+en+el+que+se+instalar%C3%A1n+los+equipos+no+es+el+m%C3%A1s+adecuado+para+equipos+electr%C3%B3nicos+por+lo+que+se+utilizar%C3%A1+equipamiento+moderno+y+robusto+adecuado+para+funcionar+en+condiciones+extremas%2C+eligiendo+una+de+las+marcas+punteras+en+el+mercado+para+equipamiento+de+acceso+a+la+red+como+es+Cisco.+Adem%C3%A1s%2C+en+este+proyecto+se+va+a+utilizar+un+programa+puntero+para+la+realizaci%C3%B3n+de+estudios+de+cobertura+en+entornos+de+alta+densidad+de+usuario.+Ekahau+Site+Survey+es+el+l%C3%ADder+en+el+mercado+de+las+tecnolog%C3%ADas+WiFi+siendo+una+herramienta+que+proporciona+una+gran+cantidad+de+informaci%C3%B3n%2C+flexibilidad+a+la+hora+de+hacer+estudios+tanto+te%C3%B3ricos+como+pr%C3%A1cticos+(in+situ)%2C+y+siendo+compatible+con+casi+la+totalidad+de+APs+del+mercado.+Abstract%3A+In+recent+years%2C+wireless+communication+systems+for+transportation+systems+have+become+increasingly+important.+These+systems+have+a+major+impact+on+transport+efficiency%2C+as+they+can+increase+transport+capacity+and+even+increase+security%2C+provide+added-value+features+for+railway+operators+(such+as+remote+maintenance)+and+also+provide+services+to+passengers%2C+like+Internet+access.+However%2C+the+implementation+of+all+these+features+implies+facing+many+relevant+challenges+and+at+many+levels%2C+not+only+technical%2C+but+also+regulatory%2C+financial%2C+etc.+This+project+has+taken+a+practical+approach+to+all+these+issues%2C+focusing+on+what+the+railway+engineer+really+needs+to+know%3A+the+essentials%2C+but+also+the+details.+Railway+radio+communications+is+therefore+a+flourishing+field+today%2C+with+a+lot+of+research+and+a+lot+of+room+for+development+and+improvement.+The+aim+of+this+project+is+to+carry+out+the+best+possible+solution+for+all+of+the+above.+In+order+to+do+this%2C+a+broadband+radio+communications+system+will+be+designed+for+the+train-ground+communication%2C+making+an+in-depth+study+of+all+possible+technologies%2C+not+only+of+their+technical+characteristics+but+also+of+their+costs%2C+and+then+deciding+which+one+best+suits+with+the+environment+in+which+the+network+will+be+deployed%2C+since+the+environment+is+an+important+part+of+the+final+decision+making.+On+the+other+side%2C+it+will+be+seen+as+the+environment+in+which+the+equipment+will+be+installed+is+not+the+most+suitable+for+electronic+equipment%2C+so+modern+and+robust+equipment+suitable+for+operating+in+extreme+conditions+will+be+used%2C+choosing+one+of+the+leading+brands+in+the+market+for+network+access+equipment+like+Cisco.+In+addition%2C+this+project+will+use+a+leading+program+to+carry+out+coverage+surveys+in+high+user+density+environments.+Ekahau+Site+Survey+is+the+market+leader+in+WiFi+technologies%2C+being+a+tool+that+provides+a+large+amount+of+information%2C+flexibility+when+doing+both+theoretical+and+practical+studies+(in+situ)+and+being+compatible+with+almost+all+the+APs+in+the+market.&rft.publisher=E.T.S.I+y+Sistemas+de+Telecomunicaci%C3%83%C2%B3n+(UPM)&rft.rights=https%3A%2F%2Fcreativecommons.org%2Flicenses%2Fby-nc-nd%2F3.0%2Fes%2F&rft.date=2018-12-20&rft.type=info%3Aeu-repo%2Fsemantics%2FbachelorThesis&rft.type=Final+Project&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=spa&rft.format=application%2Fzip&rft.language=spa&rft.rights=info%3Aeu-repo%2Fsemantics%2FrestrictedAccess&rft.identifier=https%3A%2F%2Foa.upm.es%2F55138%2F