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Análisis de los Esquemas de Acceso Inalámbricos Propuestos para la Tercera Generación de Sistemas Celulares

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Paz Penagos, Hernán
Abstract (Spanish)
Las comunicaciones inalámbricas actuales, en el bu-cle del abonado, tienen un cuello de botella que es subaja velocidad (9600 bps); esto impide que seimplementen nuevos servicios vinculados a Internet ya la transmisión de datos e imágenes ó hace que apa-rezcan con limitaciones, como ocurre con los serviciosWAP (WIRELESS APPLICATION PROTOCOL).La red de telecomunicaciones actual evolucionahacia la consecución de una red unificada (redalámbrica y red inalámbrica); la evolución de la redcontempla la evolución de los elementos que la con-figuran; por consiguiente, la parte de acceso tendráque evolucionar para hacer posible más y mejorescomunicaciones entre extremos, sin impedir que losdemás hagan lo propio. Los esquemas de accesoinalámbrico de banda ancha propuestos para comu-nicaciones celulares de tercera generación buscanresponder a este desafío. De ellos, W-CDMA yCDMA2000 se imponen como las tecnologías deacceso de mayor eficiencia.
Abstract (English)
The current wireless communications have a bottleneck because their low speed (9600 bps); this preventsthat new services shall be implemented linked overInternet and the transmission of data and images orhe/she makes that they appear with limitations, likeit happens with the services WAP (WIRELESSAPPLICATION PROTOCOL). The net of currenttelecommunications evolves toward the attainmentof an unified net (wire net and wireless net); theevolution of the net contemplates the evolution ofthe elements that you/they configure it; consequently,the access part will have to evolve to make possiblemore and better communications among ends,without preventing that the other ones make the ownthing. The outlines of wireless access of wide bandproposed for cellular communications of thirdgeneration look for to respond to the challenge. Ofthem, W-CDMA and CDMA2000 are imposed asthe technologies of access of more efficiency.
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7 páginas
URI: https://repositorio.escuelaing.edu.co/handle/001/1867
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