Obradovic, D.; Na, C.; Szabo, A.
Novel EM-based method for channel estimation in MIMO-OFDM systems
10th International OFDM-Workshop
September
2005

Obradovic, D.; Szabo, A.; Na, C.
Em-based enhancement of the Wiener pilot-aided channel estimation in MIMO-OFDM systems
14th European Conference on Signal Processing
September
2006

Na, C.; Obradovic, D.; Lupas-Scheiterer, R.; Steindl, G.; Goetz, F.-J.
Synchronization performance of the precision time protocol
IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication
25-32
October
2007

Obradovic, D.; Lupas-Scheiterer, L.; Na, C.; Steindl, G.; Goetz, F.-J.
Clock synchronization in industrial automation networks: comparison of different synchronization methods
International Conference on Informatics in Control, Automation and Robotics
May
2008

Lupas-Scheiterer, R.; Obradovic, D.; Na, C.; Steindl, G.; Goetz, F.-J.
Synchronization performance of the precision time protocol: effect of clock frequency drift on the line delay computation
7th IEEE International Workshop on Factory Communications Systems
243-246
May
2008

Obradovic, D.; Na, C.; Lupas-Scheiterer, L.; Szabo, A.
EM-based semi-blind channel estimation method for MIMO-OFDM communication systems
Neurocomputing
published
71
10-12
2388-2398
June
2008

Na, C.; Obradovic, D.; Lupas-Scheiterer, R.; Steindl, G.; Goetz, F.-J.
Enhancement of precision time protocol in automation networks with a line topology
IFAC 2008 World Conference
8333-8338
July
2008

Na, C.; Hui, W., Obradovic, D.; Hanebeck, U.D.
Fourier density approximation for belief propagation in wireless sensor networks
IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems
August
2008

Lupas-Scheiterer, R., Na, C.; Obradovic, D.; Steindl, G.; Goetz, F.-J.
Synchronization performance of the precision time protocol in the face of slave clock frequency drift
IEEE Conference on Automation Science and Engineering
August
2008

Lupas-Scheiterer, R., Na, C.; Obradovic, D.; Steindl, G.; Goetz, F.-J.
1μs-conform line length of the transparent clock mechanism defined by the Precision Time Protocol (PTP Version 2)
IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication
September
2008