The enhanced six-port receiver: A new concept for simultaneous data reception and direction of arrival detection Kölpin, Alexander Vinci, Gabor Laemmle, Benjamin Weigel, Robert 2011 - TUHH Open Research
An integrated 77-GHz six-port receiver front-end for angle-of-arrival detection Laemmle, Benjamin Vinci, Gabor Maurer, Linus Weigel, Robert Kölpin, Alexander 2011 - TUHH Open Research