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18231944
TAREA S5 SISTEMAS INALÁMBRICOS PUNTO MULTIPUNTO (CNUÑEZ)
Description
TAREA SEMANA 5 TX/RX UISRAEL 9 C
No tags specified
punto multipunto
Mind Map by
Christian Núñez
, updated more than 1 year ago
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Created by
Christian Núñez
almost 5 years ago
3
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Resource summary
TAREA S5 SISTEMAS INALÁMBRICOS PUNTO MULTIPUNTO (CNUÑEZ)
Caracteristicas Básicas
Sistemas celulares acceso fijo
Alternativa redes de cable
Ancho de banda comparable redes de cable
Requieren licencia uso de espectro
Ventajas competitivas
Despliegue
Menores costes de Instalación
Ancho de banda
Flexibilidad
Sector objeto de los sistemas
Grandes empresas Pymes SOHO Residencial/Rural
Servicios proporcionados
Voz/Datos Internet RDSI Televisión Video Teletrabajo E-Commerce Telemedicina LANS VPNS
Estándares y soluciones
MMDS
EEUU Bandas 2,15 a 2.16 GHz Cobertura 50 a 70 km 31 canales 6 Mhz Bajada 64 QAM Retorno QPSK
LMDS/MVDS
Video y datos bandas 28 o 40 Ghz frecuencias menores a 10 GHz BDVC 64 QAM frecuencias superiores 10 GHz QPSK 24 canales 39 MHz celdas 1 a 4 km
ETSI-BRAN
Canales FDD/TDD acceso TDMA Bandas a a 11 GHz modulación 4,16 y 64 QAM canales 28Mhz alcance 5 km
WIMAX
Ancho de banda 2 a 11 GHz 70 Mbps alcance 50 Km OFDM
Arquitectura del sistema
Sistema LMDS para la distribución de TV satélite y servicios de banda ancha
Sistema híbrido radio-fibra para distribución de servicios P-MP
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