[ns] Code for link level recovery of Base Station

[मंदार]

Dear ns users,

I am working on wired-cum-wireless scenario.
In this i have to do link level recovery when packet is dropped between base
station and wireless node.
So, Please help me in this regard and send me the code for link level
recovery for base station. and tell me in which file the code is there for
base station in NS-2.29.
I am very much thankful to you.

Thanking You,

Regards
Mandar.