Jose Antonio de la O Serna received his Ph.D. degree from Telecom, Paris, France, in 1982. In 1987 he joined the Ph.D. program in electrical engineering at the University of Nuevo Leon (UANL), where he was a member of the Doctoral Committee. Currently he is research professor at the UANL, Monterrey, Mexico. He was also a Professor at Monterrey Institute of Technology from 1982 to 1986. From 1988 to 1993, he was with the Electrical Department at the Polytechnic School in Yaounda, Cameroon. Mr. de la O Serna is member of the Mexican Research System.