Hi all,

We intend to implement channel hopping using ns2 simulator. Has anyone tried to 
implement hopping in ns2?

Our approach: 

We found that each channel (class WirelessChannel) keeps a linked list of all 
nodes listening on that channel.  For a mobilenode to hop we wrote code to 
dynamically  add and remove the node from this list. However, on running ns we 
get a segmentation fault. The code we wrote looks something like:

MobileNode* n = <node that hops>;
WirelessChannel new = <next channel to hop to>;
WirelessChannel current = <current channel of node n>;


It would be great of someone share thier experience in implementing channel 
hopping in ns2.


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