12.07.2015 Views

transparencias

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Solución MACA (Multiple(Access CA) Tx y Rx intercambian frames antes de tx. Tx envia RTS (Request to Send) con tiempo queocupará medio. El Rx contesta con CTS (Clear to Send),repitiendo tiempo. Comportamiento nodos: Al ver RTS, hay que esperar al CTS, y si no llegaCTS, puede transmitir. Al ver CTS, esperar longitud. La colisión de RTS/CTS se evita con CSMA/CA.

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