Affiliated Faculty at the Network Science, Wireless, and Security (NetSciWiS) group within VirginiaTech, USA http://www.netsciwis.com/team
Visited Dept of Electrical Engineering, K. N. Toosi University of Technology, Dec 2022
Visited Prof. Ali Pusane and Prof. Tuna Tugcu, Bogazici University, Ankara, Turkey, June 2017
Visiting researcher at the Bilkent University, 15 days visit, Prof. Tolga Duman, Ankara, Turkey, July 2016
Visiting researcher at the Simula Research Lab, 10 days visit, Oslo, Norway, May 2013
Visit to the Technische Universität Wien (TUWIEN), Vienna, Austria, June 2013
Visiting researcher at the Department of Communications and Networking, Aalto University (TKK, formerly Helsinki University of Technology), Helsinki, Finland, three months stay from October to December, 2010
Visiting researcher at the University of Toronto, Canada, Sep. 2010
Visiting researcher at the Star Laboratory at Stanford University, Stanford, USA; one year stay from September 2008 to August 2009
Visiting researcher in the Alcatel-Lucent Chair on Flexible Radio, SUPELEC, Paris, France; April 2008 and November 2009
Visiting researcher in the Center for Wireless Communications at University of Oulu, Oulu, Finland; December 2007