, ( ) , ( 2.3) . , , .
2.3 -
DFC . , , RTS (Request To Send ). CTS (Clear To Send ), - . CTS , -, -, -.
802.11 2346 , RTS- 20 , CTS- 14 . RTS- CTS- , , RTS- CTS- , . RTS- CTS- . , , , RTS- CTS-.
MAC , . ( 2.4). , . ; , - , , . .
2.4 -
. . , , . , , DCF.
, " " - 802.11. , 802.11 MAC, . - . .