| 2008 | PIMRC | Paving the path for high data rates by GERAN evolution EDGE2 with dual-carrier. | Kolio Ivanov, Carsten F. Ball, Robert Mllner, Hubert Winkler |
| 2008 | PIMRC | Contrasting single-point and multi-point half-rate allocation strategies for AMR-WB in high-capacity cellular networks. | Robert Mllner, Carsten F. Ball, Kolio Ivanov, Hubert Winkler, Kurt Kremnitzer |
| 2007 | PIMRC | Geran Evolution: Voice Capacity Boosted by Downlink Dual Antenna Interference Cancellation. | Kolio Ivanov, Carsten F. Ball, Robert Mllner, Hubert Winkler, Ren Perl, Kurt Kremnitzer |
| 2006 | PIMRC | Smart Quality Enhancement in High Capacity Geran Networks. | Kolio Ivanov, Carsten F. Ball, Robert Mllner, Hubert Winkler, Ren Perl, Kurt Kremnitzer |
| 2005 | PIMRC | Breaking through AMR voice capacity limits due to dropped calls by control channel improvements in GERAN networks. | Kolio Ivanov, Carsten F. Ball, Robert Mllner, Hubert Winkler, Ren Perl, Kurt Kremnitzer |
| 2005 | PIMRC | Full-rate speech quality on half-rate performance comparison of GMSK and 8-PSK modulated AMR-NB codec modes in GERAN mobile radio networks. | Robert Mllner, Carsten F. Ball, Kolio Ivanov, Hubert Winkler, Kurt Kremnitzer, Ren Perl |
| 2004 | PIMRC | SI | Carsten F. Ball, Kolio Ivanov, Robert Mllner, Hubert Winkler |
| 2004 | PIMRC | Advanced quality of service strategies for GERAN mobile radio networks. | Robert Mllner, Carsten F. Ball, Kolio Ivanov, Hubert Winkler |