Ns2 implements an interface queue on wireless links. In my simulation it is a FIFO queue that may contain up to 50 packets. When no route to the destination node exists each packet is queued by the AODV routing protocol. It queues (an unlimited amount of?) packets for up to 5 seconds (set by the…

ns2 does not have built-in multi-rate support for wireless links, not even in the latest 2.28 release. There is an RBAR (Receiver Based Auto Rate) and OAR (Opportunistic Auto Rate) extension for ns2 available at Rice Networks Group. Unfortunately it applies to ns2.1b7a only. I’ve created a patch and tried to apply it to the…