Hi list,
i have a problem and i hope u can help me on it : i m simulating ad hoc on
ns2.27 version
and i m modifiying in transmit() function in the mac-802_11.cc file

before sending pkt i must do an admission control as described bellow :
  for each pkt i verify
      if  the idle time in the channel is >  admission threashold
             So send pkt
      Else if the idle time in the channel is  <   admission threashold
                 So i must wait a random time after that i re calculate the
new idle time
                                                                         if
the new idle time So send pkt

            Else drop pkt

my problem is how to wait this random time : when i use a timer i have "the
schedular ERROR"

i hope that u understand my problem.
thanks for ur time (if u want any other explanation i m here.)

tanks for any help....

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