저자 : Jyrki T.J. Penttinen
Mr. Jyrki T.J. Penttinen began working in the telecommunications industry in 1994 with Telecom Finland its successors and since 2004 has worked with Nokia and Nokia Siemens Networks. He has held mobile networks research, design and technical management positions in Finland, Spain, Mexico and USA. Currently, his special interest areas are related to the radio interface of GSM/3G evolution and mobile TV and he holds the position of Senior Solutions Architect with NSN Innovation Center, Madrid, Spain.
Mr. Penttinen obtained his M.Sc., Lic.Sc. and D.Sc. degrees from Helsinki University of Technology (currently known as Aalto University, School of Science and Technology), Finland, in 1994, 1999, and 2011, respectively. He is an active lecturer, and has written various telecommunications books.