3Young Kyun Kim.New technological and standards toward beyond 3G[J]. IEEE Trans. on Commun.,2001,45(12): 113-117.
4Speth M, Feehtel S, Foek G., et al. Optimum receiver for OFDM based broadband transmition[J]. IEEE Transaction On Communication, 2001, 49(4): 571-578.
5Gomes G, Sanchez R. End-to-End Quality of Service over Cellular Networks Data Services Performance and Optimization in 2G/3G[M]. Release 1, Spain: Optimi Corporation, 2006: 178-181.
6[2]Elkeelany O, et al., Performance analysis of IPSec protocol:encryption and authentication. IEEE Communications Conference (ICC 2002), 2002:1164-1168
7[3]Xenakis C, Merakos L. Security in third generation mobile networks.Computer Communications,2004 ;27 (7): 638-650