Hi Iam a masters student at Huazhong University of science and Technology in China. Am doing my thesis on Security techniques in wireless cellular network and one of my objectives is to compare UMTS AKA protocol proposed by 3GGP with other UMTS AKA protocol proposed by other researchers. And am using NS-2 to do the simulation to compare then,now my problem is to get the NS-2 code,am getting problem on how to write the NS-2 code on the authentication process between the UE-BS-RNC-VLR-HLR. I real need ur assistance/help. Thanks in advance. Florence Rashidi
