Lehrstuhl für Theoretische Informationstechnik

Publications (since 1990)

Forthcoming

• M. Neunerdt, B. Trevisan, M. Reyer, R. Mathar, Part-of-Speech Tagging for Social Media Texts, to appear: Proceedings: International Conference of the German Society for Computational Linguistics and Language Technology (GSCL), Darmstadt, Germany, ...
• A. Engels, M. Reyer, X. Xu, R. Mathar, J. Zhang, H. Zhuang, Autonomous Self-Optimization of Coverage and Capacity in LTE Cellular Networks, to appear: IEEE Transactions on Vehicular Technology, Special Section: Self-Organizing Radio Networks, ...
• T. Peng, R. C. d. Lamare, A. Schmeink, Adaptive Distributed Space-Time Coding for Cooperative MIMO Relaying Systems with Limited Feedback, to appear: Proceedings: IEEE Vehicular Technology Conference (VTC), Dresde, ...
• A. Bollig, R. Mathar, Dictionary-based reconstruction of the cyclic autocorrelation via l1-minimization, to appear: Proceedings: ICASSP 2013, Vancouver, Canada, ...
• C. Dombrowski, N. Petreska, S. Görtzen, A. Schmeink, J. Gross, Energy-Efficient Multi-Hop Transmission for Machine-to-Machine Communications, to appear: Proceedings: International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), Tsukuba Science City, Japan, ...
• H. Maier, R. Mathar, Cyclic Interference Neutralization on the Full-Duplex Relay-Interference Channel, to appear: Proceedings: IEEE International Symposium on Information Theory (ISIT 2013), Istanbul, Turkey, ...
• T. Peng, R. C. d. Lamare, A. Schmeink, Adaptive Distributed Space-Time Coding Based on Adjustable Code Matrices for Cooperative MIMO Relaying Systems, to appear: IEEE Transactions on Communications, ...
• R. Mathar, M. Dörpinghaus, Threshold Optimization for Capacity-Achieving Discrete Input One-Bit Output Quantization, to appear: Proceedings: IEEE International Symposium on Information Theory (ISIT 2013), Istanbul, Turkey , ...

2013

• X. Xu, F. Schröder, B. Gevreckce, M. Ni, R. Mathar, A Physical Layer Simulator Based on Radio Wave Propagation for LTE Cellular Networks, Proceedings: 7th European Conference on Antennas and Propagation (EuCAP), Gothenburg, Sweden, April 2013.
• M. Dörpinghaus, H. Meyr, R. Mathar, On the Achievable Rate of Stationary Rayleigh Flat-Fading Channels with Gaussian Inputs, IEEE Transactions on Information Theory, vol. 59, no. 4, pp. 2208-2220, April 2013.
• M. Ni, X. Xu, R. Mathar, A Channel Feedback Model with Robust SINR Prediction for LTE Systems, Proceedings: 7th European Conference on Antennas and Propagation (EuCAP), Gothenburg, Sweden, April 2013.
• R. Thomä, R. H. Knöchel, J. Sachs, I. Willms, T. Zwick, Ultra-Wideband Radio Technologies for Communications, Localization and Sensor Applications, 488 pages, Publisher: InTech, ISBN: 978-953-51-0936-5, March 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.
• M. Dörpinghaus, N. Gaffke, L. A. Imhof, R. Mathar, Convergence of the conditional per symbol entropy for stationary Gaussian fading channels for almost all input sequences, Proceedings: 2013 Information Theory and Applications Workshop, San Diego, CA, USA, February 2013.
• G. Alirezaei, R. Mathar, Channel capacity related power allocation for distributed sensor networks with application in object classification, Proceedings: Computing, Networking and Communications (ICNC), 2013 International Conference on, San Diego, CA, USA, January 2013.
• A. Ispas, M. Dörpinghaus, G. Ascheid, T. Zemen, Characterization of Non-Stationary Channels Using Mismatched Wiener Filtering, IEEE Transactions on Signal Processing, vol. 61, no. 2, pp. 274-288, January 2013.
• A. Engels, M. Reyer, A. Steiger, R. Mathar, Min-Cut Based Partitioning for Urban LTE Cell Site Planning, Proceedings: The 10th IEEE Consumer Communications & Networking Conference CCNC 2013, Las Vegas, Nevada USA, January 2013.
• G. Claßen, A. M. C. A. Koster, A. Schmeink, A Robust Optimisation Model and Cutting Planes for the Planning of Energy-Efficient Wireless Networks, Computers and Operations Research, vol. 40, no. 1, pp. 80-90, January 2013.
• G. Alirezaei, Channel Capacity Related Power Allocation for Ultra-wide Bandwidth Sensor Networks with Application in Object Detection, Proceedings: International Conference on Ultra-Wideband IEEE ICUWB 2012, Syracuse, NY, USA, January 2013.
• G. Alirezaei, R. Mathar, Power allocation for power-limited sensor networks with application in object classification, Proceedings: Global Information Infrastructure and Networking Symposium (GIIS), 2012, Choroní, Venezuela, January 2013.
• M. Neunerdt, B. Trevisan, M. Niermann, R. Mathar, Focused Crawling for Building Web Comment Corpora, Proceedings: The 10th IEEE Consumer Communications & Networking Conference CCNC 2013, Las Vegas, Nevada USA, January 2013.

2012

• S. Corroy, R. Mathar, Semidefinite Relaxation and Randomization for Dynamic Cell Association in Heterogeneous Networks, Proceedings: IEEE Global Communications Conference 2012 (GLOBECOM 2012), Anaheim, California, USA, December 2012.
• F. Altenbach, S. Corroy, G. Böcherer, R. Mathar, Strategies for Distributed Sensor Selection Using Convex Optimization, Proceedings: IEEE Global Communications Conference 2012 (GLOBECOM 2012), Anaheim, California, USA, December 2012.
• H. Maier, J. Schmitz, R. Mathar, Cyclic Interference Alignment by Propagation Delay, Proceedings: 50th Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, USA, October 2012.
• S. Görtzen, A. Schmeink, Optimality of Dual Methods for Discrete Multiuser Multicarrier Resource Allocation Problems, IEEE Transactions on Wireless Communications, vol. 11, no. 10, pp. 3810-3817, October 2012.
• C. Liu, A. Schmeink, R. Mathar, Equal rate resource allocation for multiuser OFDM, EURASIP Journal on Wireless Communications and Networking, vol. 2012, pp. 1-20, September 2012.
• B. Trevisan, M. Neunerdt, E. Jakobs, A Multi-level Annotation Model for Fine-grained Opinion Detection in German Blog Comments, Proceedings: 11th Conference on Natural Language Processing (KONVENS), Vienna, Austria, September 2012.
• J. Schmitz, M. Zivkovic, R. Mathar, Extended Cyclostationary Signatures for OFDM in the Presence of Hardware Imperfections, Frequenz: Journal of RF-Engineering and Telecommunications, vol. 66, no. 9-10, pp. 293-302, September 2012.
• H. Maier, R. Mathar, Uniform and Non-Uniform Delay-Rate Tradeoffs in Partial Ergodic Interference Alignment, Proceedings: IEEE Information Theory Workshop (ITW 2012), Lausanne, Switzerland, September 2012.
• T. Wang, R. C. d. Lamare, A. Schmeink, Joint Linear Receiver Design and Power Allocation Using Alternating Optimization Algorithms for Wireless Sensor Networks, IEEE Transactions on Vehicular Technology, vol. 61, no. 9, pp. 4129-4141, September 2012.
• T. Peng, R. C. d. Lamare, A. Schmeink, Adaptive Distributed Space-Time Coding for Cooperative MIMO Relaying Systems, Proceedings: IEEE International Symposium on Wireless Communication Systems (ISWCS), Paris, France, August 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.
• C. Schmitz, A. Schmeink, Reachability of the Capacity in Parallel Quantised Channels, Proceedings: IEEE International Symposium on Wireless Communication Systems (ISWCS), Paris, France, August 2012.
• G. Böcherer, F. Altenbach, A. Alvarado, S. Corroy, R. Mathar, An Efficient Algorithm to Calculate BICM Capacity, Proceedings: International Symposium on Information Theory (ISIT 2012), Cambridge, USA, July 2012.
• M. Neunerdt, B. Trevisan, R. Mathar, E. Jakobs, Detecting Irregularities in Blog Comment Language Affecting POS Tagging Accuracy, International Journal of Computational Linguistics and Applications, vol. 3, no. 1, pp. 71-88, June 2012.
• S. Corroy, L. Falconetti, R. Mathar, Dynamic Cell Association for Downlink Sum Rate Maximization in Multi-Cell Heterogeneous Networks, Proceedings: IEEE International Conference on Communications (ICC 2012), Ottawa, Canada, June 2012.
• S. Corroy, R. Mathar, Distributed Compressed Sensing for the MIMO MAC with Correlated Sources, Proceedings: IEEE International Conference on Communications (ICC 2012), Ottawa, Canada, June 2012.
• G. Alirezaei, Y. Rai, Analytical Bounds on the Complementary Error Function, Proceedings: International Student Conference on Electrical Engineering, Prague, Czech Republic, May 2012.
• A. Bollig, S. Corroy, R. Mathar, Joint Sparse Spectrum Reconstruction and Information Fusion via l1-Minimization, Proceedings: IEEE Vehicular Technology Conference 2012 Spring (VTC 2012-Spring), Yokohama, Japan, May 2012.
• M. Dörpinghaus, A. Ispas, H. Meyr, On the Gain of Joint Processing of Pilot and Data Symbols in Stationary Rayleigh Fading Channels, IEEE Transactions on Information Theory, vol. 58, no. 5, pp. 2963-2982, May 2012.
• J. Schmitz, M. Zivkovic, R. Mathar, Extended Cyclostationary Signatures for OFDM-Based Cognitive Radio, Proceedings: 7th Karlsruhe Workshop on Software Radios, Karlsruhe, Germany, March 2012.
• T. Peng, R. C. d. Lamare, A. Schmeink, Joint Minimum BER Power Allocation and Receiver Design for Distributed Space-Time Coded Cooperative MIMO Systems, Proceedings: The Workshop on Smart Antennas (WSA), Dresden, March 2012.
• S. Corroy, L. Falconetti, R. Mathar, Cell Association in Small Heterogeneous Networks: Downlink Sum Rate and Min Rate Maximization, Proceedings: IEEE Wireless Communications and Networking Conference (WCNC 2012), Paris, France, March 2012.
• F. Schröder, M. Reyer, R. Mathar, Field Strength Prediction for Environment Aware MIMO Channel Models, Proceedings: 6th European Conference on Antennas and Propagation (EUCAP), Prague, Czech, March 2012.
• X. Xu, R. Mathar, Autoregressive Modeling of Frequency Selective Channels for Synchronized OFDM Systems, Proceedings: 6th European Conference on Antennas and Propagation (EUCAP), Prague, Czech, March 2012.
• T. Wang, R. C. d. Lamare, A. Schmeink, Joint Maximum Sum-Rate Receiver Design and Power Allocation Strategy for Multihop Wireless Sensor Networks, Proceedings: IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Kyoto, Japan, March 2012.
• M. Dörpinghaus, M. Rüngeler, R. Mathar, Upper-Bounding Rate Distortion Functions based on the Minimum Mean-Square Error, Proceedings: International Zurich Seminar on Communications, Zurich, Switzerland, February 2012.

2011

• M. Zivkovic, R. Mathar, Joint Frequency Synchronization and Spectrum Occupancy Characterization in OFDM-based Cognitive Radio Systems, Proceedings: IEEE Globecom 2011, Houston, USA, December 2011.
• G. Classen, A. M. C. A. Koster, A. Schmeink, Robust Planning of Green Wireless Networks, Proceedings: Proceedings of NetGCoop 2011, Paris;France, December 2011.
• F. Altenbach, G. Böcherer, R. Mathar, Short Huffman Codes Producing 1s Half of the Time, Proceedings: International Conference on Signal Processing and Communication Systems (ICSPCS'11), Honululu, Hawaii, December 2011.
• X. Xu, M. Reyer, F. Schröder, A. Engels, R. Mathar, A Semi-Stochastic Radio Propagation Model for Wireless MIMO Channels, Proceedings: International Symposium on Wireless Communication 2011, Aachen, Deutschland, November 2011.
• M. Dörpinghaus, A. Ispas, H. Meyr, Achievable Rate with Receivers using Iterative Channel Estimation in Stationary Fading Channels, Proceedings: International Symposium on Wireless Communication Systems (ISWCS) 2011, Aachen, Germany, November 2011.
• C. Schmitz, A. Schmeink, R. Mathar, Estimating Mutual Information in Genetics, Proceedings: International Symposium on Wireless Communication 2011, Aachen, Deutschland, November 2011.
• S. Corroy, A. Bollig, R. Mathar, Distributed Sensing of a Slowly Time-Varying Sparse Spectrum Using Matrix Completion, Proceedings: International Symposium on Wireless Communication 2011, Aachen, Deutschland, November 2011.
• G. Böcherer, F. Altenbach, M. Malsbender, R. Mathar, Writing on the Facade of RWTH ICT Cubes: Cost Constrained Geometric Huffman Coding, Proceedings: International Symposium on Wireless Communication 2011, Aachen, Deutschland, November 2011.
• T. Wang, R. C. d. Lamare, A. Schmeink, Joint Receiver Design and Power Allocation Strategies for Multihop Wireless Sensor Networks, Proceedings: International Symposium on Wireless Communication Systems (ISWCS) 2011, Aachen, Deutschland, November 2011.
• S. Görtzen, L. Schiefler, A. Schmeink, Hierarchical Generalized Cantor Set Modulation, Proceedings: International Symposium on Wireless Communication 2011, Aachen, Deutschland, November 2011.
• A. Engels, M. Neunerdt, R. Mathar, H. M. Abdullah, Acceptance as a Success Factor for Planning Wireless Network Infrastructure, Proceedings: International Symposium on Wireless Communication Systems 2011 (ISWCS'11), Aachen, Germany, November 2011.
• T. Peng, R. C. d. Lamare, A. Schmeink, Joint Power Allocation and Receiver Design for Distributed Space-Time Coded Cooperative MIMO Systems, Proceedings: International Symposium on Wireless Communication Systems (ISWCS) 2011, Aachen, Deutschland, November 2011.
• M. Reyer, A. Schäper, R. Mathar, Resource Allocation in OFDM Systems -- Efficiency as Basis for Allocation and Initialization, Proceedings: International Symposium on Wireless Communication 2011, Aachen, Deutschland, November 2011.
• A. Yiwleak, C. Pirak, R. Mathar, Zero-Padded Symmetric Conjugate Technique for Intercarrier Interference Cancellation in MIMO-OFDM Systems, Proceedings: 3rd International Congress on Ultra Modern Telecommunications and Control Systems 2011 (ICUMT'11), Budapest, Hungary, October 2011.
• S. Butcharoen, C. Pirak, R. Mathar, On the Performance of Cooperative Multihop Communications, Proceedings: IEEE International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT), Budapest, Hungary, October 2011.
• V. Rodriguez, F. Jondral, R. Mathar, Decoupled power allocation through pricing on a CDMA reverse link shared by energy-constrained and energy-sufficient data terminals, ACM/Springer Mobile Networks and Applications, vol. 16,5, no. 11036, pp. 640-660, October 2011.
• G. Böcherer, R. Mathar, Operating LDPC Codes with Zero Shaping Gap, Proceedings: IEEE ITW 2011, Paraty, Brasil, October 2011.
• C. Liu, P. Wang, A. Schmeink, R. Mathar, Joint BS Selection and Subcarrier Assignment for Multicell Heterogeneous OFDM Unicasting, Proceedings: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Toronto, Canada, September 2011.
• R. Mathar, A. Schmeink, Cooperative Detection over Multiple Parallel Channels: a Principle Inspired by Nature, Proceedings: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Toronto, Canada, September 2011.
• M. Zivkovic, J. Schmitz, R. Mathar, Acquisition and Identification of OFDM Signals using Cyclostationary Signatures, Proceedings: ACM WiNTECH 2011, Las Vegas, USA, September 2011.
• M. Zivkovic, R. Mathar, Design Issues and Performance Evaluation of a SDR-based Reconfigurable Framework for Adaptive OFDM Transmission, Proceedings: ACM WiNTECH 2011, Las Vegas, USA, September 2011.
• M. Zivkovic, R. Mathar, Performance Evaluation of Timing Synchronization in OFDM-based Cognitive Radio Systems, Proceedings: IEEE Vehicular Technology Conference Fall (VTC-Fall) 2011, San Francisco, USA , September 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.
• R. Mathar, A. Schmeink, A Bio-Inspired Approach to Condensing Information, Proceedings: IEEE International Symposium on Information Theory (ISIT), Saint-Petersburg, August 2011.
• S. Corroy, R. Mathar, Worst-Case Linear Transmit Strategies with Limited Relay Information in Gaussian Relay Networks, Proceedings: IEEE International Symposium on Information Theory (ISIT 2011), Saint-Petersburg, Russia, August 2011.
• C. Liu, L. Schiefler, A. Schmeink, R. Mathar, Energy Efficiency on Real Time Transmission in Multiuser OFDM Downlink, Proceedings: IEEE SPAWC 2011, San Francisco, June 2011.
• G. Classen, D. Coudert, A. M. C. A. Koster, N. Nepomuceno, A Chance-Constrained Model & Cutting Planes for Fixed Broadband Wireless Networks, Proceedings: Internationale Network Optimization Conference (INOC), Hamburg, June 2011.
• G. Classen, D. Coudert, A. M. C. A. Koster, N. Nepomuceno, Bandwidth assignment for reliable fixed broadband wireless networks, Proceedings: 12th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM), Lucca, Italy, June 2011.
• H. Maier, R. Mathar, Max-Min Greedy Interference Alignment on Linear Deterministic K-User Interference Channels, Proceedings: IEEE International Conference on Communications (ICC 2011), Kyoto, Japan, June 2011.
• S. Corroy, R. Mathar, Compressive Forwarding for Jointly Sparse Signals in Amplify-and-Forward Gaussian Relay Networks, Proceedings: IEEE International Conference on Communications (ICC 2011), Kyoto, Japan, June 2011.
• G. Böcherer, F. Altenbach, R. Mathar, Capacity Achieving Modulation for Fixed Constellations with Average Power Constraint, Proceedings: IEEE International Conference on Communications (ICC 2011), Kyoto, Japan, June 2011.
• P. d. Kerret, R. Hunger, M. Joham, W. Utschick, R. Mathar, MIMO Broadcast Channel Rate Region with Linear Filtering at High SNR: Full Multiplexing, Proceedings: IEEE International Conference on Communications (ICC 2011), Kyoto, Japan, June 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.
• X. Xu, R. Mathar, Low Complexity Joint Channel Estimation and Decoding for LDPC Coded MIMO-OFDM Systems, Proceedings: IEEE Vehicular Technology Conference Spring (VTC-Spring) 2011, Budapest, Hungary, May 2011.
• M. Neunerdt, B. Trevisan, T. C. Teixeira, R. Mathar, E. Jakobs, Ontology-based Corpus Generation for Web Comment Analysis, Proceedings: ACM conference on Hypertext and hypermedia (HT 2011), Eindhoven, May 2011.
• F. Schröder, M. Reyer, R. Mathar, Efficient Implementation and Evaluation of Parallel Radio Wave Propagation, Proceedings: EuCAP 2011 - 5th European Conference on Antennas and Propagation, EUR Congressi in Rome, Italy, April 2011.
• A. Schmeink, On fair rate adaption in interference-limited systems, European Transactions on Telecommunications, vol. 22, no. 4, pp. 11, April 2011.
• S. Gangopadhyay, A. Joshi, G. Leander, R. K. Sharma, A new construction of bent functions based on Z-bent functions, Proceedings: The Seventh International Workshop on Coding and Cryptography 2011 (WCC 2011), Paris, France, April 2011.
• A. Schmeink, H. Zhang, Capacity-achieving probability measure for a reduced number of signaling points, Wireless Networks, Springer Netherlands, vol. 17, no. 4, pp. 987-999, April 2011.
• G. Böcherer, R. Mathar, Matching Dyadic Distributions to Channels, Proceedings: Data Compression Conference (DCC 2011), Snowbird, USA, March 2011.
• G. Fabeck, R. Mathar, Performance Evaluation of Decision Fusion for Distributed Detection With Side Information, Majlesi Journal of Electrical Engineering, vol. 5, no. 1, pp. 60-64, March 2011.
• M. Dörpinghaus, On the Achievable Rate of Stationary Fading Channels, ser. Foundations in Signal Processing, Communications and Networking , 307 pages, Publisher: Springer-Verlag, Berlin, Germany, ISBN: 978-3-642-19779-6, 2011.

2010

• P. d. Kerret, M. Matthaiou, R. Mathar, J. A, Analytic Framework for the Mutual Information Cumulants of Different MIMO Fading Channels, Proceedings: IEEE Globecom 2010, Miami, Florida, USA, December 2010.
• R. Mathar, A. Schmeink, Increasing Signaling Power not Necessarily Improves Channel Capacity, Proceedings: 4th International Conference on Signal Processing and Communication Systems (ICSPCS'10 ), Gold Coast, Australia, December 2010.
• F. Schröder, M. Reyer, R. Mathar, Fast Radio Wave Propagation Prediction by Heterogeneous Parallel Architectures with Incoherent Memory, Proceedings: Proceedings of Wave Propagation and Scattering in Communication, Microwave Systems and Navigation, TU Chemnitz, December 2010.
• M. Matthaiou, P. d. Kerret, G. K. Karagiannidis, J. A. Nossek, Mutual Information Statistics and Beamforming Performance Analysis of Optimized LoS MIMO Systems, IEEE Transactions on Communications, vol. 58 , no. Issue:11 , pp. 3316, November 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.
• P. d. Kerret, M. Joham, W. Utschick, R. Mathar, MIMO Broadcast Channel Rate Region with Linear Precoding at High SNR: No Full Multiplexing Case, Proceedings: IEEE International Symposium on Information Theory and its Applications (ISITA), Taichung, Taiwan, October 2010.
• S. Görtzen, A. Schmeink, A theoretical framework for capacity-achieving multi-user waterfilling in OFDMA, Proceedings: IEEE International Symposium on Information Theory and its Applications (ISITA), Taichung, Taiwan, October 2010.
• M. Dörpinghaus, H. Meyr, G. Ascheid, The Achievable Rate of Stationary Rayleigh Flat-Fading Channels with IID Input Symbols, Proceedings: International Symposium on Information Theory and its Applications (ISITA 2010), Taichung, Taiwan, October 2010.
• W. M. z. Bergsten, R. Mathar, Analysis and Extension of Benenson's Robust User Authentication Scheme, Proceedings: 7th International Symposium on Wireless Communication Systems (IEEE ISWCS), York, United Kingdom, October 2010.
• M. Zivkovic, R. Mathar, An Improved Preamble-based SNR Estimation Algorithm for OFDM Systems, Proceedings: 21st International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC), Istanbul, Turkey, September 2010.
• F. Altenbach, H. W. Löllmann, R. Mathar, Robust Equalizer Design for Allpass Transformed DFT Filter Banks with LTI Property, Proceedings: 21st International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC), Istanbul, Turkey, September 2010.
• G. Böcherer, R. Mathar, Throughput, Bit-Cost, Network State Information: Tradeoffs in Cooperative CSMA Protocols, Proceedings: 7th International Symposium on Wireless Communication Systems (IEEE ISWCS), York, United Kingdom, September 2010.
• X. Xu, R. Mathar, Factor Graph based Detection and Channel Estimation for MIMO-OFDM Systems in Doubly Selective Channel, Proceedings: 7th International Symposium on Wireless Communication Systems ({IEEE} ISWCS), York, United Kingdom, September 2010.
• A. Engels, M. Reyer, R. Mathar, Profit-Oriented Combination of Multiple Objectives for Planning and Configuration of 4G Multi-Hop Relay Networks, Proceedings: 7th International Symposium on Wireless Communication Systems (IEEE ISWCS), York, United Kingdom, September 2010.
• V. Rodriguez, R. Mathar, Generalised link-layer adaptation with higher-layer criteria for energy-constrained and energy-sufficient data terminals, Proceedings: 7th International Symposium on Wireless Communication Systems (IEEE ISWCS), York, United Kingdom, September 2010.
• A. Schmeink, R. Mathar, H. Zhang, Reducing the number of signaling points keeping capacity and cutoff rate high, Proceedings: 7th International Symposium on Wireless Communication Systems (IEEE ISWCS), York, United Kingdom, September 2010.
• M. Neunerdt, A. Engels, R. Mathar, Land Use Classification as a Key Component for Path Loss Prediction in Rural Areas, Proceedings: 7th International Symposium on Wireless Communication Systems (IEEE ISWCS), York, United Kingdom, September 2010.
• S. Corroy, R. Mathar, Strategies for Source/Sink Pairs in Amplify-and-Forward Gaussian Relay Networks, Proceedings: 48th Ann. Allerton Conf. Communication, Control and Computing, Monticello, IL, USA, September 2010.
• S. Geisler, C. Quix, A. Schmeink, D. Kensche, Ontology-based data integration: a case study in clinical trials, in Database Technology for Life Sciences and Medicine, (eds.): C. Plant, C. Böhm, Publisher: World Scientific Publishing, August 2010.
• A. Engels, M. Reyer, R. Mathar, A Direction-Specific Land Use Based Path Loss Model for Suburban/Rural Areas, Proceedings: IEEE AP-S/URSI International Symposium 2010, Toronto, Ontario, Canada, July 2010.
• V. Rodriguez, R. Mathar, Simple decentralised market-oriented management of OFDMA Femto-cells, Proceedings: 6th International Wireless Communications and Mobile Computing Conference (IWCMC 2010) , Caen, France, June 2010.
• J. Gross, M. Reyer, Performance Prediction for OFDMA Systems with Dynamic Power and Subcarrier Allocation, Computer Communication, vol. 34, no. 8, pp. 973-984, June 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.
• G. Fabeck, R. Mathar, Performance Evaluation of Sensor Fusion with Side Information, Proceedings: IEEE ISSPA 2010, Kuala Lumpur, Malaysia, May 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.
• G. Fabeck, R. Mathar, Optimization of Linear Wireless Sensor Networks for Serial Distributed Detection Applications, Proceedings: IEEE VTC Spring 2010, Taipei, May 2010.
• S. Corroy, A. Argyriou, Z. Wadood, H. Baldus, A Body-Coupled Communication and Radio Frequency Dual Technology Cooperation Protocol for Body-Area Networks, Proceedings: IEEE International Conference on Communications Workshops (ICC 2010): MAN, Cape Town, South Africa, May 2010.
• C. Liu, A. Schmeink, R. Mathar, Constant-Rate Power Allocation under Constraint on Average BER in Adaptive OFDM Systems, Proceedings: IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa,, May 2010.
• M. Zivkovic, D. Auras, R. Mathar, OFDM-based Dynamic Spectrum Access, Proceedings: IEEE DySPAN 2010, Singapore, April 2010.
• R. Hunger, P. d. Kerret, M. Joham, An Algorithm For Maximizing A Quotient Of Two hermitian Form Determinants with Different Exponents, Proceedings: IEEE ICASSP 2010, Dallas, Texas, USA, March 2010.
• V. Rodriguez, R. Mathar, Simple decentralised market-oriented allocation of sub-channels and power for access-point to terminal multi-carrier communication, Proceedings: 44th annual Conference on Information Sciences and Systems (CISS), Princeton, New Jersey, USA, March 2010.
• V. Rodriguez, R. Mathar, Generalised water-filling: costly power optimally allocated to sub-carriers under a general concave performance function, Proceedings: 44th annual Conference on Information Sciences and Systems (CISS), Princeton, New Jersey, USA, March 2010.
• G. Böcherer, V. C. d. Rocha, C. Pimentel, R. Mathar, On the Capacity of Constrained Systems, Proceedings: International ITG Conference on Source and Channel Coding (SCC), Siegen, January 2010.
• G. Böcherer, R. Mathar, On the Throughput/Bit-Cost Tradeoff in CSMA Based Cooperative Networks, Proceedings: International ITG Conference on Source and Channel Coding (SCC), Siegen, January 2010.

2009

• R. Mathar, M. Zivkovic, How to Position n Transmitter-Receiver Pairs in n - 1 Dimensions such that Each Can Use Half of the Channel with Zero Interference from the Others, Proceedings: IEEE Globecom 2009, Honolulu, Hawaii, USA, December 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.
• C. Liu, A. Schmeink, R. Mathar, Dual Optimal Resource Allocation for Heterogeneous Transmission in OFDMA Systems, Proceedings: IEEE Globecom 2009, Honolulu, Hawaii, USA, December 2009.
• G. Fabeck, R. Mathar, Chernoff Information-Based Optimization of Sensor Networks for Distributed Detection, Proceedings: IEEE ISSPIT 2009, Ajman, UAE, December 2009.
• R. Hunger, P. d. Kerret, M. Joham, The Geometry of the MIMO Broadcast Channel Rate Region Under Linear Filtering at High SNR, Proceedings: Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, California, November 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.
• L. Beckmann, A. Cordes, E. Saygili, A. Schmeink, P. Schauerte, M. Walter, S. Leonhardt, Monitoring of body fluid in patients with chronic heart failure using Bioimpedance-Spectroscopy, Proceedings: World Congress on Medical Physics and Biomedical Engineering, München, October 2009.
• V. Rodriguez, R. Mathar, Modelling and analysis of a mobility-based information network, Proceedings: IEEE VTC Fall 2009, Anchorage, September 2009.
• S. Corroy, H. Baldus, Low Power Medium Access Control for Body-Coupled Communication Networks, Proceedings: Sixth International Symposium on Wireless Communication Systems (IEEE ISWCS), Siena, Italy, September 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.
• V. Rodriguez, F. Jondral, R. Mathar, Power allocation for social benefit through price-taking behaviour on a CDMA reverse link shared by energy-constrained and energy-sufficient data terminals, Proceedings: Sixth International Symposium on Wireless Communication Systems (IEEE ISWCS), Siena, Italy, September 2009.
• C. Liu, A. Schmeink, R. Mathar, Efficient Power Allocation for OFDM with Imperfect Channel State Information, Proceedings: IEEE WiCOM 2009, Beijing, China, September 2009.
• M. Zivkovic, R. Mathar, Preamble-based SNR Estimation Algorithm for Wireless MIMO OFDM Systems, Proceedings: Sixth International Symposium on Wireless Communication Systems (IEEE ISWCS), Siena, Italy, 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.
• R. Mathar, G. Böcherer, On Spatial Patterns of Transmitter-Receiver Pairs that Allow for Interference Alignment by Delay, Proceedings: 3rd International Conference on Signal Processing and Communication Systems (ICSPCS 2009), Omaha, USA , 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.
• S. Görtzen, A. Schmeink, Visualization and analysis of the OFDMA downlink capacity region, Proceedings: International OFDM-Workshop (InOWo), Hamburg, September 2009.
• C. Liu, A. Schmeink, R. Mathar, A Linear-Complexity Resource Allocation Method for Heterogeneous Multiuser OFDM Downlink, Proceedings: IEEE PIMRC'09, Tokyo, Japan, September 2009.
• M. Zivkovic, D. Auras, R. Mathar, Reconfigurable Framework for Adaptive OFDM Transmission, extended abstract for demonstration, Proceedings: WINTECH '09, Beijing, China, September 2009.
• D. Kammler, D. Zhang, P. Schwabe, H. Scharwächter, M. Langenberg, D. Auras, G. Ascheid, R. Mathar, Designing an ASIP for Cryptographic Pairings over Barreto-Naehrig Curves, Proceedings: 11th Workshop on Cryptographic Hardware and Embedded Systems (CHES '09), Lausanne, Schwitzerland, September 2009.
• D. Catrein, R. Mathar, Segregating In- and Other-Cell Interference with Applications to Decentralized Admission Control, IEEE Transactions on Communications, vol. 57, no. 8, pp. 2495 - 2502, August 2009.
• V. Rodriguez, F. Jondral, H. Jaekel, Tracking a Large Number of Tokens: A Customised Prioritised Medium-access Protocol for Target Responses, Proceedings: ICT-MobileSummit, Santander, June 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.
• V. Rodriguez, R. Mathar, A generalised multi-receiver radio network and its decomposition into independent transmitter-receiver pairs: Simple feasibility condition and power levels in closed form, Proceedings: IEEE International Conference on Communications (ICC), Dresden, June 2009.
• A. Schmidt, K. Pawlikowski, D. McNickle, Sequential Estimation of the Steady-state Variance in Discrete Event Simulation, European Conference on Modelling and Simulation, Madrid, June 2009.
• H. Baldus, S. Corroy, A. Fazzi, K. Klabunde, T. Schenk, Human-centric connectivity enabled by body-coupled communications, IEEE Communications Magazine, vol. 47, no. 6, pp. 172-178, 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.
• C. Liu, A. Schmeink, R. Mathar, Power Allocation for Broadcasting in Multiuser OFDM Systems with Sublinear Complexity, Proceedings: IEEE ICC, Dresden, June 2009.
• V. Rodriguez, R. Mathar, A. Schmeink, Generalised multi-receiver radio network: Capacity and asymptotic stability of power control through Banach's fixed-point theorem, Proceedings: IEEE Wireless Communications and Networking Conference (WCNC), Budapest, Hungary, April 2009.
• C. Liu, G. Böcherer, R. Mathar, Accelerating Resource Allocation for OFDMA Downlink with CNR Variation Over Users, Proceedings: IEEE VTC Spring 2009, Barcelona, April 2009.
• V. Rodriguez, F. Jondral, R. Mathar, Power allocation through revenue-maximising pricing on a CDMA reverse link shared by energy-constrained and energy-sufficient heterogeneous data terminals, Proceedings: IEEE VTC Spring 2009, Barcelona, April 2009.
• G. Fabeck, R. Mathar, Distributed detection in sensor networks: Joint optimization via Hoeffding's inequality, Proceedings: IEEE VTC Spring 2009, Barcelona, April 2009.
• M. Zivkovic, R. Mathar, Preamble-based SNR Estimation in Frequency Selective Channels for Wireless OFDM Systems, Proceedings: IEEE VTC Spring 2009, Barcelona, April 2009.
• R. Mathar, A. Schmeink, Saddle Point Properties and Nash Equilibria for Channel Games, EURASIP Journal on Advances in Signal Processing, special issue on: Game Theory in Signal Processing and Communications, vol. 2009, pp. 1-9, 2009.

2008

• V. Rodriguez, R. Mathar, A. Schmeink, Capacity and power control of spread-spectrum macrodiversity radio networks revisited, Proceedings: Australasian Telecommunication Networks and Applications Conference (ATNAC), Adelaide, Australia, December 2008.
• D. Catrein, R. Mathar, Gaussian Random Fields as a Model for Spatially Correlated Log-Normal Fading, Proceedings: Proceedings: Australasian Telecommunication Networks and Applications Conference (ATNAC), Adelaide, Australia, December 2008.
• G. Böcherer, C. Pimentel, V. C. d. Rocha, R. Mathar, Maximum Entropy Rate of Markov Sources for Systems With Non-regular Constraints, Proceedings: ISITA, Auckland, New Zealand, December 2008.
• R. Mathar, A. Schmeink, M. Zivkovic, Optimum discrete signaling over channels with arbitrary noise distribution, Proceedings: 2nd International Conference on Signal Processing and Communication Systems (ICSPCS) , Gold Coast, Australia, December 2008.
• D. Catrein, R. Mathar, Feasibility and Power Control for Linear Multiuser Receivers in CDMA Networks, IEEE Transactions on Wireless Communications, vol. 7, no. 11, pp. 4700-4709, November 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.
• 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.
• C. Liu, R. Mathar, M. Reyer, Fast Resource Allocation for OFDMA Downlink Utilizing An Efficient Discrete Bit Loading, Proceedings: IEEE WiCOM, Dalian, China, October 2008.
• C. Liu, R. Mathar, Optimal and Efficient Bit Loading for OFDM in the Presence of Channel Uncertainty, Proceedings: IEEE ISWCS, Reykjavik, Iceland, October 2008.
• Z. Ahmad, A. d. Coso, C. Ibars, TDMA network design using decode-and-forward relays with finite set modulation, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2008, Cannes, France), September 2008.
• G. Böcherer, A. d. Baynast, R. Mathar, Cooperative Protocols for Random Access Networks, Proceedings: Allerton Conference, Allerton, USA, September 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.
• C. Liu, R. Mathar, Fast and Efficient Power and Rate Allocation for Multiuser OFDM Downlinks, Proceedings: IEEE PIMRC, Cannes, France, September 2008.
• G. Fabeck, R. Mathar, Kernel-Based Learning of Decision Fusion in Wireless Sensor Networks, Proceedings: FUSION 2008 Cologne, July 2008.
• M. Dörpinghaus, G. Ascheid, H. Meyr, R. Mathar, Optimal PSK Signaling over Stationary Rayleigh Fading Channels, Proceedings: IEEE International Symposium on Information Theory (ISIT), Toronto, Canada, July 2008.
• R. Mathar, A. Schmeink, Game Equilibria for Discrete Channels, Proceedings: IEEE ISIT, Toronto, July 2008.
• A. Feiten, R. Mathar, Proportional QoS Adjustment for Achieving Feasible Power Allocation in CDMA Systems, IEEE Transactions on Communications, vol. 56, no. 2, pp. 254-259, February 2008.
• T. Wo, C. Liu, P. A. Hoeher, Graph-based Iterative Gaussian Detection with Soft Channel Estimation for MIMO Systems, Proceedings: 7th International ITG Conference on Source and Channel Coding (SCC 08), Ulm, Germany, January 2008.
• A. Feiten, R. Mathar, M. Reyer, Rate and Power Allocation for Multiuser OFDM: An Effective Heuristic Verified by Branch-and-Bound, IEEE Transactions on Wireless Communications, vol. 7, no. 1, pp. 60-64 , 2008.
• D. Bielefeld, G. Fabeck, R. Mathar, Power-Aware Distributed Detection in IR-UWB Sensor Networks, Proceedings: IEEE SAM 2008, Darmstadt, 2008.
• T. Wo, C. Liu, P. A. Hoeher, Graph-based soft channel and data estimation for MIMO systems with asymmetric LDPC codes, Proceedings: Int. Conf. Commun. (ICC), Beijing, China, 2008.

2007

• S. Geisler, A. Brauers, C. Quix, A. Schmeink, Ontology-based system for clinical trial data management, Proceedings: IEEE Benelux EMBS Symposium, Heeze, the Netherlands, December 2007.
• C. Bescos, A. Schmeink, M. Harris, R. Schmidt, Strategies in the use of static and dynamic Bayesian networks in home monitoring, Proceedings: IEEE Benelux EMBS Symposium, Heeze, the Netherlands, December 2007.
• G. Fabeck, R. Mathar, In-Situ Calibration of Sensor Networks for Distributed Detection Applications, Proceedings: ISSNIP, Melbourne, December 2007.
• R. Mathar, M. Reyer, Iterated Water-Filling for OFDMA Rate and Power Allocation with Proportionality Constraints, Proceedings: IEEE GLOBECOM 2007, Washington, November 2007.
• A. Feiten, R. Mathar, S. Hanly, Eigenvalue Based Optimum Power Allocation for Gaussian Vector Channels, IEEE Transactions on Information Theory, vol. 53, no. 6, pp. 2304 - 2309, June 2007.
• A. Feiten, R. Mathar, Capacity-Achieving Discrete Signaling over Additive Noise Channels, Proceedings: IEEE ICC 2007, Glasgow, June 2007.
• R. Mathar, M. Reyer, M. Schmeink, A Cube Oriented Ray Launching Algorithm for 3D Urban Field Strength Prediction, Proceedings: IEEE ICC 2007, Glasgow, June 2007.
• P. Mähönen, R. Mathar, P. Vary, Kommunikationstechnik für das mobile Internet von morgen, RWTH-Themen, vol. 1, May 2007.
• T. Rick, R. Mathar, Fast Edge-Diffraction-Based Radio Wave Propagation Model for Graphics Hardware, Proceedings: ITG INICA, Munich, March 2007.
• G. Böcherer, V. C. d. Rocha, C. Pimentel, Capacity of General Discrete Noiseless Channels, Proceedings: 9th International Symposium on Communication Theory and Applications (ISCTA), Ambleside, United Kingdom, 2007.
• D. Catrein, M. Reyer, T. Rick, Accelerating Radio Wave Propagation Predictions by Implementation on Graphics Hardware, Proceedings: IEEE VTC, Dublin, 2007.
• M. Reyer, T. Rick, R. Mathar, Graphics Hardware Accelerated Field Strength Prediction for Rural and Urban Environments, Proceedings: IEEE EuCAP'07 , Edinburgh, UK, 2007.
• A. Feiten, S. Hanly, R. Mathar, Derivatives of Mutual Information in Gaussian Vector Channels with Applications, Proceedings: IEEE ISIT 2007, Nice, 2007.
• G. Fabeck, R. Mathar, Tight Performance Bounds for Distributed Detection, Proceedings: IEEE ICASSP 2007, Honolulu, 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.
• M. Reyer, T. Rick, R. Mathar, Hardware Acceleration Techniques for 3D Urban Field Strength Prediction, Proceedings: ITG WFMN'07, Chemnitz, Germany , 2007.

2006

• A. Feiten, R. Mathar, Water-filling is the Limiting Case of a General Capacity Maximization Principle, Proceedings: International Symposium on Information Theory, ISIT 06 Seattle, Washington, July 2006.
• P. S. L. M. Barreto, M. Naehrig, Pairing-Friendly Elliptic Curves of Prime Order, Proceedings: Selected Areas in Cryptography: 12th International Workshop, SAC 2005, Kingston, Canada, LNCS Vol. 3897, February 2006.
• A. Feiten, R. Mathar, Minimax Problems and Directional Derivatives for MIMO Channels, Proceedings: IEEE VTC Spring 2006, Melbourne, 2006.
• G. Fabeck, Z. Benenson, Efficient Decision Fusion with Performance Guarantees in Sensor Networks, Proceedings: EWSN 2006, Zurich, 2006.
• R. Mathar, Überall optimal mobil telefonieren. Höchste Kapazität für moderne Mobilfunknetze, RWTH Themen, vol. 2, pp. 20-23, 2006.
• D. Catrein, R. Mathar, A Capacity Utilizing Distributed Call Admission Control Scheme for CDMA with Power Constraints, Proceedings: IEEE VTC Fall 2006, Montreal, 2006.

2005

• A. Feiten, R. Mathar, Power, Rate and QoS Control for Impulse Radio, Proceedings: IEEE International Region 10 Conference, TENCON'05, Melbourne,, November 2005.
• L. Imhof, R. Mathar, The Geometry of the Capacity Region for CDMA Systems with General Power Constraints, IEEE Transactions on Wireless Communications, vol. 4, no. 5, pp. 2040-2044, September 2005.
• A. Feiten, R. Mathar, Optimal Power Control for Multiuser CDMA Channels, Proceedings: International Symposium on Information Theory, Adelaide,, September 2005.
• L. Imhof, R. Mathar, Capacity Regions and Optimal Power Allocation for CDMA Cellular Radio, IEEE Transactions on Information Theory, vol. 51, no. 6, pp. 2011-2019, June 2005.
• D. Catrein, A. Feiten, R. Mathar, Uplink Interference based Call Admission Control for W-CDMA Mobile Communication Systems, Proceedings: IEEE VTC Spring 2005, Stockholm, May 2005.
• R. Mathar, M. Schmeink, Optimization Models for GSM Radio Network Planning, Journal of Mobile Network Design and Innovation 2005, vol. 1, no. 1, pp. 70-75, 2005.

2004

• A. Feiten, R. Mathar, A Game Theoretic Approach to Capacity Sharing in CDMA Radio Networks, Proceedings: Australian Telecommunications and Applications Conference - ATNAC 2004, Sydney, December 2004.
• R. Mathar, H. Meyr, Stochastic Modeling of the Convergence Behaviour of Concatenated Codes, Proceedings: VTC Fall 2004, Los Angeles, September 2004.
• D. Catrein, M. Hellebrandt, R. Mathar, Location Tracking of Mobiles: A Smart Filtering Method and Its Use in Practice, Proceedings: IEEE VTC Spring 2004, Milan, May 2004.
• D. Catrein, L. Imhof, R. Mathar, Power Control, Capacity, and Duality of Up- and Downlink in Cellular CDMA Systems, IEEE Transactions on Communications, vol. 52, no. 10, pp. 1777-1785, 2004.

2003

• D. Catrein, R. Mathar, On the existence and efficient computation of feasible power control for CDMA cellular radio, Proceedings: Australian Telecommunications Networks and Applications Conference - ATNAC, Melbourne, December 2003.
• S. C. Erbas, Utilizing evolutionary algorithms for multiobjective problems in traffic engineering, Proceedings: INOC 2003, Evry/Paris, October 2003.
• C. Erbas, S. C. Erbas, A. D. Pimentel, A multiobjective optimization model for exploring multiprocessor mappings of process networks, Proceedings: ACM/IEEE CODES+ISSS Conference, Newport Beach, USA, October 2003.
• S. C. Erbas, C. Erbas, A Multiobjective Off-line Routing Model for MPLS Networks, Proceedings: ITC 2003, Berlin, August 2003.
• R. Mathar, M. Schmeink, An integrated planning approach for cellular radio networks, In W. Jäger, H.J. Krebs (eds.): ser. MATHEMATICS, Key Technology for the Future., pp. 717-730, Publisher: Springer-Verlag, Berlin, 2003.

2002

• S. C. Erbas, R. Mathar, An Off-line Traffic Engineering Model for MPLS Networks, Proceedings: LCN 2002, Tampa, Florida, November 2002.
• R. Mathar, D. Catrein, Other-cell interference in CDMA Mobile networks, M.S. Alouini, T.A. Gulliver, IEEE International Symposium on Advances in Wireless Communication, Victoria, pp. 165-166, September 2002.
• R. Mathar, S. Hanly, On the optimal base station density for CDMA cellular networks, IEEE Transactions on Communications, vol. 50, no. 8, pp. 1274-1281, August 2002.
• R. Mathar, M. Schmeink, Integrated optimal cell site selection and frequency allocation for cellular radio networks, Telecommunication Systems, vol. 21, no. 2-4, pp. 339-347, 2002.

2001

• R. Mathar, M. Remiche, The impact of different services on the outage probability in UMTS, Proceedings: IEEE VTC Fall 2001, Atlantic City, October 2001.
• R. Mathar, M. Remiche, On the outage probability in CDMA cellular networks with adaptive antennas, Proceedings: ITC 2001, Salvador da Bahia, September 2001.
• R. Mathar, Mathematical modeling, design, and optimization of mobile communiciation networks, Jahresbericht Dt. Math.-Verein., vol. 103, pp. 101-114, 2001.
• R. Mathar, Mathematik fürs mobile Telefon, RWTH-Themen, no. 2, pp. 36-39, 2001.
• R. Mathar, M. Schmeink, Optimal base station positioning and channel assignment for 3G mobile networks by integer programming, Annals of Operations Research, vol. 107, pp. 225-236, 2001.
• U. Kohlhaas, R. Mathar, M. Schmeink, Optimality criteria for the cell site selection of CDMA cellular networks, In ser. Modeling and Simulation Environment for Satellite and Terrestrial Communication Networks, Proceedings of the European COST Telecommunications Symposium, pp. 161-173, Publisher: Kluwer Academic Publishers, Boston, 2001.
• R. Mathar, M. Remiche, On the capacity of UMTS with directional antennas, Proceedings: 10th Aachen Symposium on Signal Theory, 2001.

2000

• M. Schmeink, R. Mathar, Preprocessed indirect 3D-ray launching for urban microcell field strength prediction, Proceedings: AP 2000 Millennium Conference on Antennas and Propagation, Davos, April 2000.
• P. Groenen, R. Mathar, J. Trejos, Global optimization methods for Multidimensional Scaling applied to mobile communications, In W.Gaul, O.Opitz, M. Schader (eds.): ser. Data Analysis, pp. 459-470, Publisher: Springer-Verlag, Berlin, April 2000.
• T. Niessen, J. Kind, The round-up property of the fractional chromatic number for proper circular arc graphs, Journal of Graph Theory, vol. 33, pp. 256-267, 2000.
• M. Remiche, Asymptotic Independence of counts in Isotropic Planar Point Processes of Phase-type, Advances in Applied Probability, vol. 32, pp. 363-375, 2000.
• M. Remiche, G. Latouche, Asymptotic Poisson Distribution in Isotropic Ph Planar Point Processes, Comm. Statist.-Stochastic Models, vol. 16, pp. 259-272, 2000.
• M. Remiche, On the exact distribution of the Isotropic Planar Point Processes of Phase-type, Journal of Computational and Applied Mathematics, vol. 116, pp. 77-91, 2000.
• R. Mathar, T. Niessen, Optimum positioning of base stations for cellular radio networks, Wireless Networks, vol. 6, no. 4, pp. 421-428, 2000.
• M. Remiche, Planar Point Processes of Phase-Type with dependent angular coordinates, Proceedings: Third International Conference on Matrix Analytic Methods, New Jersey, USA, 2000.

1999

• M. Hellebrandt, R. Mathar, Location Tracking of Mobiles in Cellular Radio Networks, IEEE Transactions on Vehicular Technology, vol. 48, no. 5, pp. 1558-1562, September 1999.
• M. Remiche, K. Leibnitz, Adaptvie Soft-Handoff Thresholds for CDMA Systems with Spatial Traffic, In D. Smith and P. Key (eds.): ser. Teletraffic Engineering in a Competitive World (Proceedings of the 16th International Teletraffic Congress), pp. 97-106, Publisher: Elsevier Science B.V., Edinburgh (UK), 1999.
• R. Mathar, Multivariate Outliers (tests for). Invited contribution, In S. Kotz, C.B.Read, D.L. Banks (eds.): ser. Encyclopedia of Statistical Sciences, pp. 515-520, Publisher: Wiley, New-York, 1999.
• K. Tuschku, R. Mathar, T. Niessen, Interference minimization in wireless communication systems by optimal cell site selection, Proceedings: EPMCC'99, Paris, 1999.
• R. Mathar, M. Hellebrandt, Mobility modeling in cellular radio networks, product form solutions and blocking, In K. Leung, B. Vojcic (eds.): ser. Multiaccess, Mobility and Teletraffic for wireless communications, vol. 3, pp. 253-261, Publisher: Kluwer, Boston, 1999.
• M. Hellebrandt, F. Lambrecht, R. Mathar, T. Niessen, R. Starke, Frequency allocation and linear programming, Proceedings: IEEE VTC, Houston, 1999.
• M. Remiche, Efficiency of an IPhP³ illustrated through a model in cellular networks, In B. Plateau, W.J. Stewart and M. Silva (eds.): ser. Numerical Solution of Markov Chains (NMSMC'99), pp. 296-311, Publisher: Prensas Universtarias de Zaragoza, Zaragoza (Spain), 1999.

1998

• J. Kind, T. Niessen, R. Mathar, Theory of Maximum Packing and related allocation strategies for cellular radio networks, Mathematical Methods of Operations Research, vol. 48, no. 1, pp. 1-16, 1998.
• T. Niessen, A characterization of graphs having all (g,f)-factors, Journal of Combinatorial Theory, Series B, vol. 72, pp. 152-156, 1998.
• T. Niessen, B. Randerath, Regular factors of simple regular graphs, and factor spectra, Discrete Mathematics, vol. 85, pp. 89-103, 1998.
• M. Remiche, Time to Congestion in a Quasi-Birth-and-Death process, Opsearch, vol. 35(3), pp. 169-192, 1998.
• M. Remiche, Variability of Event Count for Spatial Point Processes of Phase-type, Proceedings: Second International Conference on Matrix Analytic Methods, New Jersey, USA, 1998.
• I. Balderjahn, R. Mathar, M. Schader, Classification, Data Analysis, and Data Highways, 414 pages, Publisher: Springer Verlag, Heidelberg, ISBN: 3-540-63909-8, 1998.
• R. Mathar, M. Hellebrandt, Fast and efficient automatic channel allocation in cellular radio networks, Proceedings: Globecom 98, The Bridge to Global Communications, Sydney, 1998.
• R. Mathar, M. Hellebrandt, Optimum Mirror-HLR locations to reduce signalling load in cellular radio networks, In D. Everitt, M. Rumsewicz (eds.): ser. Multiaccess, Mobility and Teletraffic, Advances in Wireless Networks, pp. 139-150, Publisher: Kluwer, Boston, 1998.

1997

• R. Mathar, K. Pawlikowski, Performance analysis of the p_i-persistent protocol in unidirectional bus networks, Computer Communications, vol. 20, no. 7, pp. 535-543, August 1997.
• M. Hellebrandt, R. Mathar, Stochastic Analysis of Channel Segregation for Cellular Radio Networks, Proceedings: Intern. Conf. on Telecomm., Melbourne, Australia, April 1997.
• M. Hellebrandt, R. Mathar, M. Scheibenbogen, Estimating position and velocity of mobiles in cellular radio networks, IEEE Transaction on Vehicular Technology, vol. 46, no. 1, pp. 65-71, February 1997.
• L. Cowen, R. Mathar, The offset problem, Combinatorics, Probability, and Computing, vol. 6, pp. 159-164, 1997.
• T. Niessen, A Fan-type condition for regular factors, Ars Combin, vol. 46, pp. 277-285, 1997.
• M. Hellebrandt, R. Mathar, Cumulated interference power and bit-error rates in mobile packet radio, Wireless Networks, vol. 3, pp. 169-172, 1997.
• T. Niessen, Complete closure and regular factors, J. Comb. Math. Comb. Comput., vol. 25, pp. 145-160, 1997.
• M. Trosset, R. Mathar, On the existence of nonglobal minimizers of the stress criterion for metric multidimensional scaling, American Statistical Association: Proceedings Statistical Computing Section, pp. 158-162, 1997.
• T. Niessen, Optimal channel allocation for several types of cellular radio networks, Discrete Applied Mathematics, vol. 79, pp. 155-170, 1997.
• H. Haan, J. Timmer, R. Mathar, J. Krüger, Multidimensional Scaling: analyzing multineural spike patterns, In R. Klar, O. Opitz (eds.): ser. Classification and Knowledge Organization, pp. 15-19, Publisher: Springer-Verlag, Heidelberg, 1997.
• R. Mathar, A hybrid global optimization algorithm for multidimensional scaling, In R. Klar, O.Opitz (eds.): ser. Classification and Knowledge Organization, pp. 63-71, Publisher: Springer-Verlag, Heidelberg, 1997.
• R. Mathar, Multidimensionale Skalierung: mathematische Grundlagen und algorithmische Aspekte, ser. Teubner Skripten zur Mathematischen Stochastik, 95 pages, Publisher: Teubner Verlag, Stuttgart, ISBN: 3-519-02738-0, 1997.
• M. Hellebrandt, R. Mathar, Speed and location monitoring for handover control in hierarchical cellular radio networks, In B. Walke (eds.): ser. ITG Fachbericht 145 Proceedings EPMCC'97, pp. 383-386, Publisher: VDE-Verlag, Berlin, 1997.

1996

• R. Mathar, J. Mattfeldt, Pulse-coupled decentral synchronization, SIAM Journal on Applied Mathematics, vol. 56, no. 4, pp. 1094-1106, August 1996.
• R. Mathar, J. Mattfeldt, Optimal transmission ranges for mobile communication in linear multihop packet radio networks, Wireless Networks, vol. 2, pp. 329-342, 1996.
• R. Mathar, Stochastic models of Thermal convection: An extended Mc Cready theory and a simulation tool, Technical Soaring, vol. 20, no. 4, pp. 113-117, 1996.
• R. Mathar, Informationstheorie, diskrete Modelle und Verfahren, 158 pages, Publisher: Teubner Verlag, ISBN: 3-519-02574-4, 1996.
• P. Groenen, J. d. Leeuw, R. Mathar, Least squares multidimensional scaling with transformed distances, In W. Gaul, D. Pfeifer (eds.): ser. From Data to Knowledge: Theoretical and Practical Aspects of Classification, Data Analysis and Knowledge Organization, pp. 177-185, Publisher: Springer-Verlag, Berlin, 1996.

1995

• T. Niessen, Optimal channel assignment in cellular radio networks with linear structure, ITG-Fachberichte, vol. 135, pp. 181-187, September 1995.
• R. Hager, R. Mathar, J. Mattfeldt, Intelligent cruise control and reliable communication of mobile stations, IEEE Transactions on Vehicular Technology, vol. 44, no. 3, pp. 443-448, August 1995.
• R. Mathar, J. Mattfeldt, Analyzing routing strategy NFP in multihop packet radio networks on a line, IEEE Transactions on Communications, vol. 43, no. 2/3/4, pp. 977-988, March 1995.
• R. Mathar, J. Mattfeldt, On the distribution of cumulated interference power in Rayleigh fading channels, Wireless Networks, vol. 1, no. 1, pp. 31-36, February 1995.
• P. Groenen, R. Mathar, W. Heiser, The majorization approach to multidimensional scaling for Minkowski distances, Journal of Classification, vol. 12, no. 1, pp. 3-19, 1995.
• T. Niessen, Neighborhood unions and regular factors, J. Graph Theory, vol. 19, pp. 45-64, 1995.

1994

• R. Mathar, J. Mattfeld, R. Hager, Analysis of mobile packet radio networks in Rayleigh fading environments, IEEE Transactions on Vehicular Technology, vol. 43, no. 4, pp. 1112-1117, November 1994.
• D. Bauer, T. Niessen, E. Schmeichel, Neighborhood unions, degree sums, toughness and 2-factors, Congress. Numer., vol. 100, pp. 47-57, 1994.
• R. Mathar, A. Zilinskas, A class of test functions for global optimization, Journal of Global Optimization, vol. 5, pp. 195-199, 1994.
• P. Dankelmann, T. Niessen, I. Schiermeyer, On path-tough graphs, SIAM J. Discrete Math., vol. 7, pp. 571-584, 1994.
• T. Niessen, How to find overfull subgraphs in graphs with large maximum degree, Discrete Appl. Math., vol. 51, pp. 117-125, 1994.
• R. Mathar, A. Zilinskas, On channel access probabilities which maximize throughput of slotted ALOHA, Informatica, vol. 5, no. 3/4, pp. 364-372, 1994.
• R. Mathar, R. Meyer, Algorithms in convex analysis to fit l_p-distance matrices, Journal of Multivariate Analysis, vol. 51, pp. 102-120, 1994.
• R. Mathar, J. Mattfeldt, Optimal channel allocation in quasi-linear and quasi-cyclic cellular radio networks, In I. Troch, F. Breitenecker (eds.): ser. IMACS Symp. Math. Mod., pp. 760-766, 1994.
• R. Mathar, Multidimensional scaling with l_p-distances, a unifying approach, In H.H. Bock, W. Lenski, M.M. Richter (eds.): ser. Information Systems and Data Analysis, pp. 325-331, Publisher: Springer-Verlag, Heidelberg, 1994.

1993

• R. Mathar, J. Mattfeldt, Channel assignment in cellular radio networks, IEEE Transactions on Vehicular Technology, vol. 42, no. 4, pp. 647-656, November 1993.
• R. Mathar, R. Meyer, Preorderings, monotone functions, and best rank r approximations with applications to classical MDS, Journal of Statistical Planning and Inference, vol. 37, pp. 291-305, 1993.
• R. Mathar, A. Zilinskas, On global optimization in two-dimensional scaling, Acta Aplicandae Mathematicae, vol. 33, pp. 109-118, 1993.
• R. Mathar, A. Zilinskas, Maximizing throughput of finite population slotted ALOHA, Informatica, vol. 4, no. 1/2, pp. 163-171, 1993.
• R. Mathar, L. Cowen, Concurrence probabilities for a locally slotted packet radio network by combinatorial methods, Performance Evaluation, vol. 17, pp. 43-51, 1993.
• R. Mathar, Informationstheorie, Vorlesungsskript in der Reihe Aachener Beiträge zur Mathematik, ser. Band 9, 88 pages, Publisher: Verlag der Augustinus Buchhandlung, Aachen, ISBN: 3-86073-113-0, 1993.
• R. Mathar, W. Kremer, Histogram and integral based evaluation of an experimental inter vehicle communication trial, Proceedings: IEEE 43rd VTC 1993, Secausus, NJ, 1993.

1992

• T. Niessen, Nash-Williams conditions and the existence of k-factors, Ars Combin, vol. 34, pp. 251-256, 1992.
• N. Gaffke, R. Mathar, On a class of algorithms from experimental design theory, Optimization, vol. 24, pp. 91-126, 1992.
• R. Mathar, A. Mann, Analyzing a distributed slot assignment protocol by Markov chains, Proceedings: IEEE 42nd VTC, Denver, 1992.

1991

• R. Mathar, Dual algorithms in multidimensional scaling, In H.H. Bock, P. Ihm (eds.): ser. Classification, Data Analysis, and Knowledge Organization, vol. 33, pp. 99-103, Publisher: Springer Verlag, Berlin, 1991.
• R. Mathar, P. Groenen, Algorithms in convex analysis applied to multidimensional scaling, In E. Diday, Y. Lechevallier (eds.): ser. Symbolic-Numeric Data Analysis and Learning, vol. 45, pp. 45-56, Publisher: Nova Science Publishers, New York, 1991.

1990

• R. Mathar, D. Pfeifer, Stochastik für Informatiker, In ser. Leitfäden und Monographien in der Informatik, pp. 363, Publisher: B.G. Teubner, Stuttgart, ISBN: 3-519-02240-0, 1990.
• N. Gaffke, R. Mathar, Linear minimax estimation and related Bayes L-optimal design, Methods of Operations Research, vol. 60, pp. 617-628, 1990.
• R. Mathar, Multidimensional scaling with constraints on the configuration, Journal of Multivariate Analysis, vol. 33, pp. 151-156, 1990.
• T. Niessen, L. Volkmann, Class 1 conditions depending on the minimum degree and the number of vertices of maximum degree, J. Graph Theory, 1990.