He joined Nokia in 2007, where he has held various research and standardization related positions. He has coauthored more than 40 journal and conference papers. He is a coinventor in more than 50 pending patents. His research interests include wireless communications and cellular systems, in particular LTE and its evolution, as well as radio resource management, multiple-antenna systems, and device-to-device communications in general, including vehicle-to-vehicle communications. Since 2014, he has been a Delegate for Nokia in RAN1 Working Group in 3GPP. He was the recipient of the Best Paper Award in the IEEE PIMRC 2005.