Institute for Theoretical Information Technology

Publications by Daniel Bielefeld

2014

• D. Bielefeld, G. Fabeck, M. Zivkovic, R. Mathar, Optimisation of cooperative spectrum sensing with ultra-wideband signalling, International Journal of Autonomous and Adaptive Communications Systems, vol. 7, no. 4, pp. 318-338, February 2014.

2013

• G. Alirezaei, R. Mathar, D. Bielefeld, Power Allocation Procedure for Wireless Sensor Networks with Integrated Ultra-Wide Bandwidth Communications and Radar Capabilities, In R.S.Thomä;R.H.Knöchel;J.Sachs;I.Willms;T.Zwick (eds.): ser. Ultra-Wideband Radio Technologies for Communications, Localization and Sensor Applications, pp. 165-178, Publisher: InTech, ISBN: 978-953-51-0936-5, March 2013.

2012

• A. Mehbodniya, D. Bielefeld, R. Mathar, S. Aïssa, F. Adachi, Analysis of a Serial UWB Based Sensor Network Topology in Fading Channels, Proceedings: IEEE Vehicular Technology Society Asia Pacific Wireless Communications Symposium (IEEE VTS APWCS2012), Kyoto, Japan, August 2012.

2011

• A. Mehbodniya, D. Bielefeld, S. Aissa, R. Mathar, F. Adachi, Distributed Detection in UWB Sensor Networks under Non-Orthogonal Nakagami-m Fading, Proceedings: IEEE Vehicular Technology Conference Fall (VTC-Fall) 2011, San Francisco, USA, September 2011.
• D. Bielefeld, G. Fabeck, M. Zivkovic, R. Mathar, Energy Efficient Ultra-Wideband Signaling for Cooperative Spectrum Sensing in Cognitive Radio, Proceedings: IEEE Vehicular Technology Conference Spring (VTC-Spring) 2011, Budapest, May 2011.

2010

• D. Bielefeld, G. Fabeck, M. Zivkovic, R. Mathar, Optimization of Cooperative Spectrum Sensing and Implementation on Software Defined Radios, Proceedings: 3rd International Workshop on Cognitive Radio and Advanced Spectrum Management (CogART), Rome, Italy, November 2010.
• D. Bielefeld, G. Fabeck, R. Mathar, Routing Path Selection and Power Allocation for Distributed Detection in Wireless Sensor Networks, Proceedings: IEEE VTC Spring 2010, Taipei, May 2010.
• D. Bielefeld, R. Mathar, O. Hirsch, R. S. Thomä, Power-Aware Distributed Target Detection in Wireless Sensor Networks with UWB-Radar Nodes, Proceedings: IEEE Radar Conference 2010, Washington DC, May 2010.

2009

• D. Bielefeld, R. Mathar, Distributed Detection with Transmit-Only Sensors and a Successive Interference Cancellation Receiver, Proceedings: IEEE ISSPIT 2009, Ajman, UAE, December 2009.
• D. Bielefeld, G. Fabeck, R. Mathar, Analysis and Control of IR-UWB Sensor Networks for Distributed Detection Applications, Frequenz, Journal of RF-Engineering and Telecommunications, vol. 63, no. 9-10, pp. 205-209, November 2009.
• D. Bielefeld, G. Fabeck, R. Mathar, Power Allocation and Node Clustering for Distributed Detection in IR-UWB Sensor Networks, Proceedings: IEEE VTC Fall 2009, Anchorage, September 2009.
• G. Fabeck, D. Bielefeld, R. Mathar, Power-Aware Sensor Selection for Distributed Detection in Wireless Sensor Networks, Proceedings: IEEE VTC Fall 2009, Anchorage, September 2009.
• D. Bielefeld, G. Fabeck, R. Mathar, Application-Specific Node Clustering of IR-UWB Sensor Networks with Two Classes of Nodes, Proceedings: Sixth International Symposium on Wireless Communication Systems (IEEE ISWCS), Siena, Italy, September 2009.
• G. Fabeck, D. Bielefeld, R. Mathar, Cross-Layer Resource Allocation in Sensor Networks for Distributed Detection with Soft Decision Fusion, Proceedings: IEEE IWCLD, Palma de Mallorca, June 2009.
• D. Bielefeld, G. Fabeck, R. Mathar, Cross-Layer Design of Cluster Formation and Power Allocation in IR-UWB Sensor Networks, Proceedings: IEEE IWCLD, Palma, June 2009.

2008

• G. Fabeck, D. Bielefeld, R. Mathar, Cross-Layer Design of IR-UWB Sensor Networks for Distributed Detection Applications, Proceedings: IEEE ISWCS, Reykjavik, Iceland, October 2008.
• G. Böcherer, D. Bielefeld, R. Mathar, Theoretical Analysis of the Energy Capture in Strictly Bandlimited Ultra-Wideband Channels, Proceedings: IEEE ISWCS, Reykjavik, Iceland, October 2008.
• D. Bielefeld, R. Mathar, Distributed Power and Topology Control for IR-UWB Sensor Networks, Proceedings: IEEE ISWCS, Reykjavik, Iceland, October 2008.
• C. Liu, D. Bielefeld, R. Mathar, Optimal Rate and Power Allocation for OFDM in the Presence of Channel Uncertainty, Proceedings: IEEE PIMRC, Cannes, France, September 2008.
• D. Bielefeld, G. Fabeck, R. Mathar, Power-Aware Distributed Detection in IR-UWB Sensor Networks, Proceedings: IEEE SAM 2008, Darmstadt, 2008.

2007

• D. Bielefeld, R. Mathar, Topology Generation and Power Assignment in IR-UWB Networks, Proceedings: IEEE ISWCS 2007, Trondheim, 2007.
• C. V. Sinn, D. Bielefeld, J. Götze, A Computationally Efficient Block Transmission Scheme Based on Approximated Cholesky Factors, Proceedings: IEEE VTC Spring 2007, Dublin, 2007.