Voice transmission in an IEEE 802.11 WLAN based access network. - Andreas Köpsel; Adam Wolisz (WOWMOM, 2001)

Providing application-level QoS in 3G/4G wireless systems: a comprehensive framework based on multirate CDMA. - Frank H. P. Fitzek; Andreas Köpsel; Adam Wolisz; Manjunath Krishnam; Martin Reisslein (IEEE Wirel. Commun., 2002)

Moving toward seamless mobility: state of the art and emerging aspects in standardization bodies. - Marc Emmelmann; Sven Wiethoelter; Andreas Köpsel; Cornelia Kappler; Adam Wolisz (Wirel. Pers. Commun., 2007)

A Distributed IP Mobility Approach for 3G SAE. - Mathias Fischer 001; Frank-Uwe Andersen; Andreas Köpsel; Günter Schäfer; Morten Schläger (PIMRC, 2008)

OFELIA - Pan-European Test Facility for OpenFlow Experimentation. - Andreas Köpsel; Hagen Woesner (ServiceWave, 2011)

ORAN: OpenFlow Routers for Academic Networks. - Ahmad Rostami; Tobias Jungel; Andreas Köpsel; Hagen Woesner; Adam Wolisz (HPSR, 2012)

Demonstrating the optimal placement of virtualized cellular network functions in case of large crowd events. - Steffen Gebert; David Hock; Thomas Zinner; Phuoc Tran-Gia; Marco Hoffmann; Michael Jarschel; Ernst-Dieter Schmidt; Ralf-Peter Braun; Christian Banse; Andreas Köpsel (SIGCOMM, 2014)

Design and implementation of the OFELIA FP7 facility: The European OpenFlow testbed. - Marc Suñé; Leonardo Bergesio; Hagen Woesner; Tom Rothe; Andreas Köpsel; Didier Colle; Bart Puype; Dimitra Simeonidou; Reza Nejabati; Mayur Channegowda; Mario Kind; Thomas Dietz; et al. (Comput. Networks, 2014)

Split Architecture for Large Scale Wide Area Networks. - Wolfgang John; Alisa Devlic; Zhemin Ding; Dávid Jocha; András Kern; Mario Kind; Andreas Köpsel; Viktor Nordell; Sachin Sharma 001; Pontus Sköldström; Dimitri Staessens; Attila Takács; et al. (CoRR, 2014)

Performance benchmarking of a software-based LTE SGW. - Stanislav Lange; Anh Nguyen-Ngoc; Steffen Gebert; Thomas Zinner; Michael Jarschel; Andreas Köpsel; Marc Suñé; Daniel Raumer; Sebastian Gallenmüller; Georg Carle; Phuoc Tran-Gia (CNSM, 2015)