60 GHz Single-Chip Front-End MMICs and Systems for Multi-Gb/s Wireless Communication. - Sten E. Gunnarsson; Camilla Kärnfelt; Herbert Zirath; Rumen Kozhuharov; Dan Kuylenstierna; Christian Fager; Mattias Ferndahl; Bertil Hansson; Arne Alping; Paul Hallbjörner (IEEE J. Solid State Circuits, 2007)