[ns] How to turn off the collision on wireless?

[Enrico Minack]

 > How can be turned off the collision on wireless simulations?
why could you want to turn off the collisions? why do you want to 
simulate a wireless simulation with collisions turned off?!

i guess turning them off needs extensive changes and a sophisticated 
system overview since you need to take care of the timers and proper 
packet handling.

regards,
Enrico M.