Mohammad Hossein Yaghmaee received his B.S. degree in Communication Engineering from Sharif University of Technology, Tehran, Iran in 1993, and M.S. degree in communication engineering from Tehran Polytechnic (Amirkabir) University of Technology in 1995. He received his Ph.D. degree in communication engineering from Tehran Polytechnic (Amirkabir) University of Technology in 2000. He has been a computer network engineer with several networking projects in Iran Telecommunication Research Center (ITRC) since 1992. November 1998 to July1999, he was with Network Technology Group (NTG), C&C Media research labs, NEC Corporation, Tokyo, Japan, as visiting research scholar. From September 2007 to August 2008, he was with the Lane Department of Computer Science and Electrical Engineering, West Virginia University, Morgantown, USA as a visiting associate professor. He is the author of 8 books all in Farsi language. He has published more than 150 international conference and journal papers. His research interests are in Wireless Sensor Networks (WSNs), smart grid, traffic and congestion control, high speed networks including ATM and MPLS, Quality of Services (QoS) and fuzzy logic control. Currently he is full professor at Computer Engineering Department of Ferdowsi University of Mashhad. He is also he head of IP-PBX type approval lab at this university.