Acknowledgement Corruption: A New Aspect of Physical Layer Capture in IEEE 802.11 Networks

Algorithm 1

AC avoidance algorithm.

: The node executing AC avoidance algorithm

: The set of the far nodes which can cause AC to

: The set of the nodes in the same WiFi cell as

(1) monitors the channel to obtain the RSSIs and transmission durations of all the nodes in

(2) for each node do

(3) If ( AC threshold then

(4)

(5) end if

(6) end for

(7) if then

(8) for each node do

(9) if ( PLC threshold then

(10)

(11) end if

(12) end for

(13) end if

(14) Minimum transmission duration Moving avg. or moving max. of transmission durations of

(15) Create data frame so that it is larger than Minimum transmission duration