2011 International Conference on Electric Information and Control Engineering Electric Information and Control Engineering (ICEICE), 2011 International Conference on. :438-441 Apr, 2011
2010 IEEE International Conference on Information Theory and Information Security Information Theory and Information Security (ICITIS), 2010 IEEE International Conference on. :1007-1010 Dec, 2010
2006 6th International Conference on ITS Telecommunications ITS Telecommunications Proceedings, 2006 6th International Conference on. :541-544 Jun, 2006