Bibliotecas PUCV

Redes de Kohonen para reducir la distorsión no lineal en sistemas inalámbricos

Repositorio Dspace/Manakin

Buscar en DSpace


Búsqueda avanzada

Mostrar el registro sencillo del ítem

dc.contributor Rodríguez Agurto, José Nibaldo
dc.creator Oyanadel Véliz, Marcelo Andrés
Fecha Ingreso dc.date.accessioned 2021-10-19T21:29:13Z
Fecha Disponible dc.date.available 2021-10-19T21:29:13Z
Fecha en Repositorio dc.date.issued 2021-10-19
Resumen dc.description <p>Esta&nbsp; memoria&nbsp; presenta&nbsp; la&nbsp; t&eacute;cnica&nbsp; de&nbsp; las&nbsp; redes&nbsp; neuronales&nbsp; de&nbsp; Kohonen&nbsp; para&nbsp; reducir&nbsp; la distorsi&oacute;n no lineal en sistemas inal&aacute;mbricos basados en OFDM, para lo cual se hace un estudio completo de los t&oacute;picos para poder implementar un sistema OFDM elaborado en lenguaje JAVA que logre ratificar lo expuesto. Se logra componer un Sistema OFDM que minimiza la distorsi&oacute;n no&nbsp; lineal&nbsp; generada&nbsp; por&nbsp; los&nbsp; Amplificadores&nbsp; de&nbsp; Potencia&nbsp; SSPA&nbsp; y&nbsp; el&nbsp; Ruido&nbsp; Gaussian&nbsp; durante&nbsp; la transmisi&oacute;n de la se&ntilde;al, sistema que utiliza una red neuronal de Kohonen para lograr el objetivo. Luego&nbsp; se&nbsp; elabora&nbsp; un&nbsp; sistema&nbsp; en&nbsp; lenguaje&nbsp; JAVA&nbsp; basado&nbsp; en&nbsp; el&nbsp; algoritmo&nbsp; no&nbsp; supervisado&nbsp; de VQTAM,&nbsp; obteniendo&nbsp; satisfactorios&nbsp; resultados&nbsp; que&nbsp; algunos&nbsp; casos&nbsp; alcanzaron&nbsp; los&nbsp; 6&nbsp; db&nbsp; para sistemas&nbsp; OFDM&nbsp; de&nbsp; 16QAM,&nbsp; sistema&nbsp; que&nbsp; utiliza&nbsp; la&nbsp; t&eacute;cnica&nbsp; de&nbsp; los&nbsp; M&iacute;nimos&nbsp; Cuadrados&nbsp; del algoritmo VQTAM.</p>
Resumen dc.description <p>This&nbsp; memory&nbsp; displays&nbsp; the&nbsp; technique&nbsp; by&nbsp; means&nbsp; of&nbsp; the&nbsp; use&nbsp; of&nbsp; the&nbsp; neuronal&nbsp; networks&nbsp; of Kohonen&nbsp; to&nbsp; reduce&nbsp; the&nbsp; distortion&nbsp; nonlinear&nbsp; in&nbsp; wireless&nbsp; systems&nbsp; based&nbsp; on&nbsp; OFDM,&nbsp; for&nbsp; which&nbsp; a complete&nbsp; study&nbsp;&nbsp;&nbsp; made&nbsp; of&nbsp; the&nbsp; topics&nbsp; to&nbsp; be&nbsp; able&nbsp; to&nbsp; implement&nbsp; a&nbsp; OFDM&nbsp; system&nbsp; elaborated&nbsp; in language&nbsp; JAVA&nbsp; that&nbsp; manages&nbsp; to&nbsp; ratify&nbsp; the&nbsp; exposed&nbsp; thing.&nbsp; To&nbsp; be&nbsp; able&nbsp; to&nbsp; compose&nbsp; a&nbsp; System OFDM that minimize the distortion non-linear generated by the SSPA Power Amplifiers and the Gaussian&nbsp; Noise&nbsp; during&nbsp; the&nbsp; transmission&nbsp; of&nbsp; the&nbsp; signal,&nbsp; system&nbsp; that&nbsp; uses&nbsp; a&nbsp; neuronal&nbsp; network&nbsp; of Kohonen&nbsp; to&nbsp; achieve&nbsp; to&nbsp; got&nbsp; the&nbsp; objetive.&nbsp; Later,&nbsp; a&nbsp; system&nbsp; in&nbsp; language&nbsp; JAVA&nbsp; based&nbsp; on&nbsp; the&nbsp; non- supervised algorithm of VQTAM obtained satisfactory results that some of cases reached 6 db for OFDM-16QAM systems, system that uses the technique of the Squared Minimums of algorithm VQTAM.</p>
Resumen dc.description last modification
Resumen dc.description Licenciado en Ciencias de la Ingeniería
Resumen dc.description Ingeniero Civil en Informáticatítulo
Resumen dc.description INGENIERIA CIVIL INFORMATICA
Resumen dc.description <p>Esta&nbsp; memoria&nbsp; presenta&nbsp; la&nbsp; t&eacute;cnica&nbsp; de&nbsp; las&nbsp; redes&nbsp; neuronales&nbsp; de&nbsp; Kohonen&nbsp; para&nbsp; reducir&nbsp; la distorsi&oacute;n no lineal en sistemas inal&aacute;mbricos basados en OFDM, para lo cual se hace un estudio completo de los t&oacute;picos para poder implementar un sistema OFDM elaborado en lenguaje JAVA que logre ratificar lo expuesto. Se logra componer un Sistema OFDM que minimiza la distorsi&oacute;n no&nbsp; lineal&nbsp; generada&nbsp; por&nbsp; los&nbsp; Amplificadores&nbsp; de&nbsp; Potencia&nbsp; SSPA&nbsp; y&nbsp; el&nbsp; Ruido&nbsp; Gaussian&nbsp; durante&nbsp; la transmisi&oacute;n de la se&ntilde;al, sistema que utiliza una red neuronal de Kohonen para lograr el objetivo. Luego&nbsp; se&nbsp; elabora&nbsp; un&nbsp; sistema&nbsp; en&nbsp; lenguaje&nbsp; JAVA&nbsp; basado&nbsp; en&nbsp; el&nbsp; algoritmo&nbsp; no&nbsp; supervisado&nbsp; de VQTAM,&nbsp; obteniendo&nbsp; satisfactorios&nbsp; resultados&nbsp; que&nbsp; algunos&nbsp; casos&nbsp; alcanzaron&nbsp; los&nbsp; 6&nbsp; db&nbsp; para sistemas&nbsp; OFDM&nbsp; de&nbsp; 16QAM,&nbsp; sistema&nbsp; que&nbsp; utiliza&nbsp; la&nbsp; t&eacute;cnica&nbsp; de&nbsp; los&nbsp; M&iacute;nimos&nbsp; Cuadrados&nbsp; del algoritmo VQTAM.</p>
Resumen dc.description <p>This&nbsp; memory&nbsp; displays&nbsp; the&nbsp; technique&nbsp; by&nbsp; means&nbsp; of&nbsp; the&nbsp; use&nbsp; of&nbsp; the&nbsp; neuronal&nbsp; networks&nbsp; of Kohonen&nbsp; to&nbsp; reduce&nbsp; the&nbsp; distortion&nbsp; nonlinear&nbsp; in&nbsp; wireless&nbsp; systems&nbsp; based&nbsp; on&nbsp; OFDM,&nbsp; for&nbsp; which&nbsp; a complete&nbsp; study&nbsp;&nbsp;&nbsp; made&nbsp; of&nbsp; the&nbsp; topics&nbsp; to&nbsp; be&nbsp; able&nbsp; to&nbsp; implement&nbsp; a&nbsp; OFDM&nbsp; system&nbsp; elaborated&nbsp; in language&nbsp; JAVA&nbsp; that&nbsp; manages&nbsp; to&nbsp; ratify&nbsp; the&nbsp; exposed&nbsp; thing.&nbsp; To&nbsp; be&nbsp; able&nbsp; to&nbsp; compose&nbsp; a&nbsp; System OFDM that minimize the distortion non-linear generated by the SSPA Power Amplifiers and the Gaussian&nbsp; Noise&nbsp; during&nbsp; the&nbsp; transmission&nbsp; of&nbsp; the&nbsp; signal,&nbsp; system&nbsp; that&nbsp; uses&nbsp; a&nbsp; neuronal&nbsp; network&nbsp; of Kohonen&nbsp; to&nbsp; achieve&nbsp; to&nbsp; got&nbsp; the&nbsp; objetive.&nbsp; Later,&nbsp; a&nbsp; system&nbsp; in&nbsp; language&nbsp; JAVA&nbsp; based&nbsp; on&nbsp; the&nbsp; non- supervised algorithm of VQTAM obtained satisfactory results that some of cases reached 6 db for OFDM-16QAM systems, system that uses the technique of the Squared Minimums of algorithm VQTAM.</p>
Formato dc.format PDF
Lenguaje dc.language spa
dc.rights autorizado
dc.source http://opac.pucv.cl/pucv_txt/txt-2500/UCH2884_01.pdf
Materia dc.subject OFMD
Materia dc.subject REDES NEURONALES
Materia dc.subject INTELIGENCIA ARTIFICIAL
Materia dc.subject Modelos matemáticos
Title dc.title Redes de Kohonen para reducir la distorsión no lineal en sistemas inalámbricos
Tipo dc.type texto


Archivos en el ítem

Archivos Tamaño Formato Ver

No hay archivos asociados a este ítem.

Este ítem aparece en la(s) siguiente(s) colección(ones)

Mostrar el registro sencillo del ítem