Madge Networks 802.11b Manuale Utente Pagina 21

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Exposed Station Problem
Station B is transmitting to station A
Station C wanting to transmit to station D, would
do the following
Sense the channel, and “falsely” determine that the
channel is busy. It would then delay transmission till
the channel is sensed idle.
Had C transmitted, collision could possibly
happened for A, but not for D.
A C DB
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