Christian Schlegel

Russell Dodd, Christian Schlegel, Vincent C. Gaudet: DS-CDMA Implementation With Iterative Multiple Access Interference Cancellation. IEEE Trans. on Circuits and Systems 60-I(1): 222-231 (2013)

Christian Schlegel, Dmitri V. Truhachev: Multiple Access Demodulation in the Lifted Signal Graph With Spatial Coupling. IEEE Transactions on Information Theory 59(4): 2459-2470 (2013)

Christian Schlegel, Ulrik Pagh Schultz, Serge Stinckwich: Proceedings of the Third International Workshop on Domain-Specific Languages and Models for Robotic Systems (DSLRob 2012). CoRR abs/1302.5082 (2013)

Juan Francisco Inglés-Romero, Alex Lotz, Cristina Vicente-Chicote, Christian Schlegel: Dealing with Run-Time Variability in Service Robotics: Towards a DSL for Non-Functional Properties. CoRR abs/1303.4296 (2013)

Parisa D. Hossein Zadeh, Christian Schlegel, Mike H. MacGregor: Distributed optimal dynamic base station positioning in wireless sensor networks. Computer Networks 56(1): 34-49 (2012)

Shuai Zhang, Christian Schlegel: Controlling the Error Floor in LDPC Decoding. CoRR abs/1209.0532 (2012)

Dmitri V. Truhachev, Christian Schlegel: Capacity Achieving Spatially Coupled Sparse Graph Modulation and Iterative Demodulation. CoRR abs/1209.5785 (2012)

Claudio Sacchi, Fabrizio Granelli, Christian Schlegel: A QoE-Oriented Strategy for OFDMA Radio Resource Allocation Based on Min-MOS Maximization. IEEE Communications Letters 15(5): 494-496 (2011)

Majid Ghanbarinejad, Christian Schlegel: Analysis of Controlled Probabilistic Access with Multipacket Reception. GLOBECOM 2011: 1-5

Andreas Steck, Alex Lotz, Christian Schlegel: Model-driven engineering and run-time model-usage in service robotics. GPCE 2011: 73-82

Lukasz Krzymien, Christian Schlegel: Near-Far Resistant MIMO Iterative Receiver for Uplink LTE. ICC 2011: 1-5

Andreas Steck, Christian Schlegel: Managing execution variants in task coordination by exploiting design-time models at run-time. IROS 2011: 2064-2069

Christian Schlegel, Vincent C. Gaudet: Hardware implementation challenges of modern error control decoders. ISCAS 2011: 1788-1791

Christian Schlegel, Dmitri V. Truhachev: Multiple access demodulation in the lifted signal graph with spatial coupling. ISIT 2011: 2989-2993

Majid Ghanbarinejad, Christian Schlegel: Throughput-Optimal Distributed Probabilistic Medium-Access in MPR-Capable Networks. MACOM 2011: 75-86

Claudio Sacchi, Boris Bellalta, Alexey V. Vinel, Christian Schlegel, Fabrizio Granelli, Yan Zhang (Eds.): Multiple Access Communications - 4th International Workshop, MACOM 2011, Trento, Italy, September 12-13, 2011. Proceedings. Lecture Notes in Computer Science 6886, Springer 2011, isbn 978-3-642-23794-2

Christian Schlegel, Dmitri V. Truhachev: Multiple Access Demodulation in the Lifted Signal Graph with Spatial Coupling. CoRR abs/1107.4797 (2011)

Meysam Zargham, Christian Schlegel, Jorge Pérez Chamorro, Cyril Lahuec, Fabrice Seguin, Michel Jézéquel, Vincent C. Gaudet: Scaling of analog LDPC decoders in sub-100 nm CMOS processes. Integration 43(4): 365-377 (2010)

Christian Schlegel, Marat V. Burnashev, Dmitri V. Truhachev: Generalized Superposition Modulation and Iterative Demodulation: A Capacity Investigation. J. Electrical and Computer Engineering 2010 (2010)

Christian Schlegel, Peter Hoeher, Owe Axelsson, Lance C. Pérez: Iterative Signal Processing in Communications. J. Electrical and Computer Engineering 2010 (2010)

Christian Schlegel, Shuai Zhang: On the dynamics of the error floor behavior in (regular) LDPC codes. IEEE Transactions on Information Theory 56(7): 3248-3264 (2010)

Sumeeth Nagaraj, Dmitri V. Truhachev, Christian Schlegel: Impact of traffic localization on communication rates in ad-hoc networks. Wireless Networks 16(2): 497-510 (2010)

Marcel Jar, Christian Schlegel: Extended Jointly Gaussian Approach for Iterative Equalization. ICC 2010: 1-5

Siegfried Hochdorfer, Christian Schlegel: 6 DoF SLAM using a ToF camera: The challenge of a continuously growing number of landmarks. IROS 2010: 3981-3986

Russell Dodd, Christian Schlegel, Vincent C. Gaudet: Implementation of enhanced CDMA utilizing low complexity joint detection with iterative processing. ISCAS 2010: 1763-1766

Christian Schlegel, Marat V. Burnashev: Optimal error control coding for iterative cancellation systems. ISIT 2010: 1993-1997

Manuel Wopfner, Jonas Brich, Siegfried Hochdorfer, Christian Schlegel: Mobile Manipulation in Service Robotics: Scene and Object Recognition with Manipulator-Mounted Laser Ranger. ISR/ROBOTIK 2010: 1-7

Christian Schlegel, Andreas Steck, Davide Brugali, Alois Knoll: Design Abstraction and Processes in Robotics: From Code-Driven to Model-Driven Engineering. SIMPAR 2010: 324-335

Andreas Steck, Christian Schlegel: Towards Quality of Service and Resource Aware Robotic Systems through Model-Driven Software Development. CoRR abs/1009.4877 (2010)

David Haley, Vincent C. Gaudet, Chris Winstead, Alex J. Grant, Christian Schlegel: A dual-function mixed-signal circuit for LDPC encoding/decoding. Integration 42(3): 332-339 (2009)

Nima Sadeghi, Vincent C. Gaudet, Christian Schlegel: Analog DFT Processors for OFDM Receivers: Circuit Mismatch and System Performance Analysis. IEEE Trans. on Circuits and Systems 56-I(9): 2123-2131 (2009)

Dmitri V. Truhachev, Christian Schlegel, Lukasz Krzymien: A Two-Stage Capacity-Achieving Demodulation/Decoding Method for Random Matrix Channels. IEEE Transactions on Information Theory 55(1): 136-146 (2009)

Boon Chin Lim, Witold A. Krzymien, Christian Schlegel: Efficient Sum Rate Maximization and Resource Allocation in Block-Diagonalized Space-Division Multiplexing. IEEE T. Vehicular Technology 58(1): 478-484 (2009)

Sumeeth Nagaraj, Sheehan Khan, Christian Schlegel, Marat V. Burnashev: Differential preamble detection in packet-based wireless networks. IEEE Transactions on Wireless Communications 8(2): 599-607 (2009)

Andreas Steck, Dennis Stampfer, Christian Schlegel: Modellgetriebene Softwareentwicklung für Robotiksysteme. AMS 2009: 241-248

Saeed Fouladi Fard, Amirhossein Alimohammad, Bruce F. Cockburn, Christian Schlegel: A Single FPGA Filter-Based Multipath Fading Emulator. GLOBECOM 2009: 1-5

Majid Ghanbarinejad, Christian Schlegel, Pawel Gburzynski: Adaptive Probabilistic Medium Access in MPR-Capable Ad-Hoc Wireless Networks. GLOBECOM 2009: 1-5

Dmitri V. Truhachev, Sumeeth Nagaraj, Christian Schlegel: Throughput/Reliability Tradeoffs in Spread Spectrum Multi-Hop Ad-Hoc Wireless Networks with Multi-Packet Detection. ICC 2009: 1-5

Siegfried Hochdorfer, Christian Schlegel: Landmark rating and selection according to localization coverage: Addressing the challenge of lifelong operation of SLAM in service robots. IROS 2009: 382-387

Saeed Fouladi Fard, Amirhossein Alimohammad, Bruce F. Cockburn, Christian Schlegel: A versatile fading simulator for on-chip verification of MIMO communication systems. SoCC 2009: 271-274

Saeed Fouladi Fard, Amirhossein Alimohammad, Bruce F. Cockburn, Christian Schlegel: High path-count multirate Rayleigh fading channel simulator with time-multiplexed datapath. SoCC 2009: 412-415

Christian Schlegel, Shuai Zhang: On the Dynamics of the Error Floor Behavior in (Regular) LDPC Codes. CoRR abs/0902.1786 (2009)

Christian Schlegel, Dmitri V. Truhachev, Zachary Bagley: Transmitter Layering for Multiuser MIMO Systems. EURASIP J. Wireless Comm. and Networking 2008 (2008)

Lukasz Krzymien, Dmitri V. Truhachev, Christian Schlegel, Marat V. Burnashev: Two-stage detection of partitioned random CDMA. European Transactions on Telecommunications 19(5): 499-509 (2008)

Tyler L. Brandon, Robert Hang, Gary Block, Vincent C. Gaudet, Bruce F. Cockburn, Sheryl L. Howard, Christian Giasson, Keith Boyle, Paul Goud, Siavash Sheikh Zeinoddin, Anthony Rapley, Stephen Bates, Duncan G. Elliott, Christian Schlegel: A scalable LDPC decoder ASIC architecture with bit-serial message exchange. Integration 41(3): 385-398 (2008)

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: A Compact Single-FPGA Fading-Channel Simulator. IEEE Trans. on Circuits and Systems 55-II(1): 84-88 (2008)

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: A Compact and Accurate Gaussian Variate Generator. IEEE Trans. VLSI Syst. 16(5): 517-527 (2008)

Sumeeth Nagaraj, Dmitri V. Truhachev, Christian Schlegel: Analysis of a Random Channel Access Scheme with Multi-Packet Reception. GLOBECOM 2008: 330-334

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: A Novel Technique for Efficient Hardware Simulation of Spatiotemporally Correlated MIMO Fading Channels. ICC 2008: 718-724

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: On the efficiency and accuracy of hybrid pseudo-random number generators for FPGA-based simulations. IPDPS 2008: 1-8

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: A single-FPGA multipath MIMO fading channel simulator. ISCAS 2008: 308-311

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: An Accurate and Compact Rayleigh and Rician Fading Channel Simulator. VTC Spring 2008: 409-413

Boon Chin Lim, Witold A. Krzymien, Christian Schlegel: Simultaneous Feedback Reduction and Sum Rate Maximization in Block-Diagonalized Space-Division Multiplexing. VTC Spring 2008: 2685-2689

Christian Schlegel: CDMA with Partitioned Spreading. IEEE Communications Letters 11(12): 913-915 (2007)

Siegfried Hochdorfer, Christian Schlegel: Bearing-Only SLAM with an Omnicam Robust Selection of SIFT Features for Service Robots. AMS 2007: 8-14

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: A Compact Fading Channel Simulator Using Timing-Driven Resource Sharing. ASAP 2007: 154-159

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: A Flexible Filter Processor for Fading Channel Simulation. FCCM 2007: 339-342

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: Compound Uniform Random Number Generators with On-Chhip Correlation and Distribution Measurements. FPT 2007: 377-380

Amirhossein Alimohammad, Saeed Fouladi Fard, Bruce F. Cockburn, Christian Schlegel: An Improved SOS-Based Fading Channel Emulator. VTC Fall 2007: 931-935

Paul Goud, Robert Hang, Dmitri V. Truhachev, Christian Schlegel: A Portable MIMO Testbed and Selected Channel Measurements. EURASIP J. Adv. Sig. Proc. 2006 (2006)

Sheryl L. Howard, Christian Schlegel, Krzysztof Iniewski: Error Control Coding in Low-Power Wireless Sensor Networks: When Is ECC Energy-Efficient? EURASIP J. Wireless Comm. and Networking 2006 (2006)

Sheryl L. Howard, Christian Schlegel: Differential turbo-coded modulation with APP channel estimation. IEEE Transactions on Communications 54(8): 1397-1406 (2006)

Christian Schlegel, Zhenning Shi, Marat V. Burnashev: Optimal Power/Rate Allocation and Code Selection for Iterative Joint Detection of Coded Random CDMA. IEEE Transactions on Information Theory 52(9): 4286-4294 (2006)

Zhenning Shi, Christian Schlegel: Iterative multiuser detection and error control code decoding in random CDMA. IEEE Transactions on Signal Processing 54(5): 1886-1895 (2006)

Christian Schlegel, Roland Kempter, Preeti Kota: A novel random wireless packet multiple access method using CDMA. IEEE Transactions on Wireless Communications 5(6): 1362-1370 (2006)

Zachary Bagley, Christian Schlegel: Rank-Reduction of Large MIMO Channels. GLOBECOM 2006

Boon Chin Lim, Christian Schlegel, Witold A. Krzymien: Sum Rate Maximization and Transmit Power Minimization for Multi-User Orthogonal Space Division Multiplexing. GLOBECOM 2006

Sumeeth Nagaraj, Dmitri V. Truhachev, Christian Schlegel: Achievable Communication Rates in Ad hoc Wireless Networks Using Local Node Cooperation. ICC 2006: 4052-4058

Nima Sadeghi, Sheryl L. Howard, Soraya Kasnavi, Kris Iniewski, Vincent C. Gaudet, Christian Schlegel: Analysis of error control code use in ultra-low-power wireless sensor networks. ISCAS 2006

Sheehan Khan, Kris Iniewski, Yanjie Wang, Christian Schlegel, Win Myint: Emerging short reach wireless technologies: from 802.11n to 60+ GHz mm-Wave Radios-a silicon perspective. IWCMC 2006: 1399-1404

Boon Chin Lim, Christian Schlegel, Witold A. Krzymien: Efficient Receive Antenna Selection Algorithms and Framework for Transmit Zero-Forcing Beamforming. VTC Spring 2006: 2241-2245

Sumeeth Nagaraj, Christian Schlegel, Dmitri V. Truhachev: On upper bounds on communication rates in ad-hoc networks with non-uniform traffic pattern. WCNC 2006: 349-354

Lukasz Krzymien, Christian Schlegel: Turbo decoding with one bit extrinsic quantization. IEEE Communications Letters 9(8): 732-734 (2005)

Christian Schlegel, Dirk Ratschko, Frank Scholz, Michael Gläser: Using an intense bismuth ion beam for the accumulation of a weighable mass of atoms. IEEE T. Instrumentation and Measurement 54(2): 860-863 (2005)

Christian Schlegel, Siegfried Hochdorfer: Bearing-Only SLAM with an Omnicam. AMS 2005: 99-106

Mimi Yiu, Chris Winstead, Vincent C. Gaudet, Christian Schlegel: Digital built-in self-test of CMOS analog iterative decoders. ISCAS (3) 2005: 2204-2207

David Haley, Chris Winstead, Vincent C. Gaudet, Alex J. Grant, Christian Schlegel: An analog/digital mode-switching LDPC codec. ISCAS (6) 2005: 5790-5793

Chris Winstead, Anthony Rapley, Vincent C. Gaudet, Christian Schlegel: Stochastic Iterative Decoders. CoRR abs/cs/0501090 (2005)

Christian Schlegel: Navigation and execution for mobile robots in dynamic environments: an integrated approach. University of Ulm 2004, pp. 1-280

Sumeeth Nagaraj, Stephen Bates, Christian Schlegel: Application of Eigenspace Analysis Techniques to Ad-Hoc Networks. ADHOC-NOW 2004: 300-305

Nhan Nguyen, Chris Winstead, Vincent C. Gaudet, Christian Schlegel: A 0.8V CMOS analog decoder for an (8, 4, 4) extended Hamming code. ISCAS (1) 2004: 1116-1119

Sumeeth Nagaraj, Christian Schlegel: A channel accessing scheme with joint detection receivers in ad hoc networks. WCNC 2004: 381-386

Christian Schlegel, Alex J. Grant: Differential space-time turbo codes. IEEE Transactions on Information Theory 49(9): 2298-2306 (2003)

Christian Schlegel: A Component Approach for Robotics Software: Communication Patterns in the OROCOS Context. AMS 2003: 253-263

Zhenning Shi, Christian Schlegel: Performance analysis of iterative detection for unequal power coded CDMA systems. GLOBECOM 2003: 1537-1542

Sheryl L. Howard, Christian Schlegel: Differentially-encoded turbo coded modulation with APP channel estimation. GLOBECOM 2003: 1761-1765

Behrouz Farhang-Boroujeny, Christian Schlegel: Efficient multicarrier realization of full-rate space-time orthogonal block coded systems. ICC 2003: 2267-2271

Preeti Kota, Christian Schlegel: A wireless packet multiple access method exploiting joint detection. ICC 2003: 2985-2989

Zhenning Shi, Christian Schlegel: Design of serially concatenated coded CDMA system. ICC 2002: 1898-1902

Christian Schlegel, Thomas Kämpke: Filter Design for Simultaneous Localization and Map Building (SLAM). ICRA 2002: 2737-2742

Jie Dai, Chris Winstead, Chris J. Myers, Reid R. Harrison, Christian Schlegel: Cell library for automatic synthesis of analog error control decoders. ISCAS (4) 2002: 481-484

Zhenning Shi, Christian Schlegel: Joint iterative decoding of serially concatenated error control coded CDMA. IEEE Journal on Selected Areas in Communications 19(8): 1646-1653 (2001)

Alex J. Grant, Christian Schlegel: Convergence of linear interference cancellation multiuser receivers. IEEE Transactions on Communications 49(10): 1824-1834 (2001)

Christian Schlegel, Thomas Kämpke: Bestimmung eines kürzesten Weges unter Berücksichtigung der Benutzerintention. AMS 2001: 186-192

Chris Winstead, Jie Dai, Woo Jin Kim, Scott Little, Yong-Bin Kim, Chris J. Myers, Christian Schlegel: Analog MAP Decoder for (8, 4) Hamming Code in Subthreshold CMOS. ARVLSI 2001: 132-147

Dirk Bank, Jörg Illmann, Heiko Jaberg, Erwin Prassler, Christian Schlegel: Autonome Systeme und Servicerobotik am FAW Ulm. KI 14(4): 30-33 (2000)

Christian Schlegel, Alex J. Grant: Polynomial complexity optimal detection of certain multiple-access systems. IEEE Transactions on Information Theory 46(6): 2246-2248 (2000)

Christian Schlegel, Lance C. Pérez: On error bounds and turbo-codes. IEEE Communications Letters 3(7): 205-207 (1999)

Paul D. Alexander, Mark C. Reed, John A. Asenstorfer, Christian Schlegel: Iterative multiuser interference reduction: turbo CDMA. IEEE Transactions on Communications 47(7): 1008-1014 (1999)

Christian Schlegel, Jörg Illmann, Heiko Jaberg, Matthias Schuster, Robert Wörz: Integrating Vision Based Behaviours with an Autonomous Robot. ICVS 1999: 1-20

Mark C. Reed, Christian Schlegel, Paul D. Alexander, John A. Asenstorfer: Iterative multiuser detection for CDMA with FEC: near-single-user performance. IEEE Transactions on Communications 46(12): 1693-1699 (1998)

Christian Schlegel, Paul D. Alexander, Sumit Roy: Coded Asynchronous CDMA and Its Efficient Detection. IEEE Transactions on Information Theory 44(7): 2837-2847 (1998)

Christian Schlegel, Robert Wörz: Der Softwarerahmen SmartSoft zur Implementierung sensomotorischer Systeme. AMS 1998: 208-217

Christian Schlegel, Jörg Illmann, Heiko Jaberg, Matthias Schuster, Robert Wörz: Vision Based Person Tracking with a Mobile Robot. BMVC 1998: 1-10

Christian Schlegel, L. Wei: A simple way to compute the minimum distance in multiuser CDMA systems. IEEE Transactions on Communications 45(5): 532-535 (1997)

Paul D. Alexander, Lars K. Rasmussen, Christian Schlegel: A linear receiver for coded multiuser CDMA. IEEE Transactions on Communications 45(5): 605-610 (1997)

Alex J. Grant, Christian Schlegel: Collision-type multiple-user communications. IEEE Transactions on Information Theory 43(5): 1725-1736 (1997)

Christian Schlegel, Sumit Roy, Paul D. Alexander, Zeng-Jun Xiang: Multiuser Project Receivers. IEEE Journal on Selected Areas in Communications 14(8): 1610-1618 (1996)

Christian Schlegel: Error probability calculation for multibeam Rayleigh channels. IEEE Transactions on Communications 44(3): 290-293 (1996)

Lei Wei, Christian Schlegel: Synchronization requirements for multi-user OFDM on satellite mobile and two-path Rayleigh fading channels. IEEE Transactions on Communications 43(234): 887-895 (1995)

Chi-Chao Chao, Mao-Ching Chiu, Christian Schlegel: Comments on 'A lower bound on the minimum Euclidean distance of trellis-coded modulation schemes'. IEEE Transactions on Information Theory 41(5): 1531-1535 (1995)

Christian Schlegel, Jörg Illmann: AMOS: Beherrschung vielfältiger Anforderungen durch dynamische Kombination und Konfiguration einfacher Mechanismen. AMS 1995: 240-249

Christian Schlegel: Trellis coded modulation on time-selective fading channels. IEEE Transactions on Communications 42(234): 1617-1627 (1994)

Tamás Linder, Christian Schlegel, Kenneth Zeger: Corrected proof of de Buda's theorem. IEEE Transactions on Information Theory 39(5): 1735- (1993)

Christian Schlegel: Evaluating distance spectra and performance bounds of trellis codes on channels with intersymbol interference. IEEE Transactions on Information Theory 37(3): 627-634 (1991)

Christian Schlegel, Mark A. Herro: A burst-error-correcting Viterbi algorithm. IEEE Transactions on Communications 38(3): 285-291 (1990)

Christian Schlegel, Daniel J. Costello Jr.: Bandwidth efficient coding on channels disturbed by jamming and impulse noise. Coding Theory and Applications 1988: 279-293