Thomas Kaiser

Orcid: 0000-0001-9679-5968

Affiliations:
  • University of Duisburg-Essen, Germany
  • Leibniz University of Hannover. Germany (former)


According to our database1, Thomas Kaiser authored at least 146 papers between 1995 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Hybrid Delay-Phase Precoding in Wideband UM-MIMO Systems Under True Time Delay and Phase Shifter Hardware Limitations.
IEEE Trans. Wirel. Commun., July, 2024

Harmonic FMCW Radar System: Passive Tag Detection and Precise Ranging Estimation.
Sensors, April, 2024

Hardware-Aware Joint Localization-Synchronization and Tracking Using Reconfigurable Intelligent Surfaces in 5G and Beyond.
IEEE Open J. Commun. Soc., 2024

Multifaceted Free-Space Tissue Sensing up to 100 GHz.
IEEE Access, 2024

Delta-Delay-Phase Precoding Based Wideband Near-Field Beamfocusing.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2024

Indoor THz N-LoS Communication and Radar Sensing Through Wall Reflections.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2024

2023
Clutter Effect Investigation on Co-Polarized Chipless RFID Tags and Mitigation Using Cross-Polarized Tags, Analytical Model, Simulation, and Measurement.
Sensors, September, 2023

Phase-Based Breathing Rate Monitoring in Patient Rooms Using 6G Terahertz Technology.
CoRR, 2023

Path Loss Modeling of RFID Backscatter Channels With Reconfigurable Intelligent Surface: Experimental Validation.
IEEE Access, 2023

A Mathematical Framework, Simulation, and Measurement of Harmonic Identification Systems.
IEEE Access, 2023

Implementing Backprojection at Base Station for Precise Localization in Indoor Environment.
Proceedings of the International Conference on Computing and Communication Technologies, 2023

Joint Iterative Delay-Phase Precoding for THz UM-MIMO with Finite-Resolution and Limited-Range True Time Delay.
Proceedings of the IEEE International Conference on Communications, 2023

2022
Fourier Transform of SAR Data Cube and 3-D Range Migration Algorithm.
IEEE Trans. Aerosp. Electron. Syst., 2022

Interpolation Methods with Phase Control for Backprojection of Complex-Valued SAR Data.
Sensors, 2022

Object Recognition in High-Resolution Indoor THz SAR Mapped Environment.
Sensors, 2022

Millimeter-Wave Retro-Directive Frequency Coded Lens by Curved One-Dimensional Photonic Crystal Resonator.
IEEE Access, 2022

2020
Chipless RFID Infrastructure Based Self-Localization: Testbed Evaluation.
IEEE Trans. Veh. Technol., 2020

Indoor Large-Scale MIMO-Based RSSI Localization with Low-Complexity RFID Infrastructure.
Sensors, 2020

Frequency-Coded Chipless RFID Tags: Notch Model, Detection, Angular Orientation, and Coverage Measurements.
Sensors, 2020

Physical layer security of interference aligned mixed RF/unified-FSO relaying network.
IET Commun., 2020

OAM Mode Order Conversion and Clutter Rejection With OAM-Coded RFID Tags.
IEEE Access, 2020

High-Resolution Long-Range THz Imaging for Tunable Continuous-Wave Systems.
IEEE Access, 2020

Indoor THz SAR Trajectory Deviations Effects and Compensation With Passive Sub-mm Localization System.
IEEE Access, 2020

Experimental Investigation of Terahertz Scattering: A Study of Non-Gaussianity and Lateral Roughness Influence.
IEEE Access, 2020

Ultra-wideband Multipath Channel Characterization at 300 GHz.
Proceedings of the 24th International ITG Workshop on Smart Antennas, 2020

Experimental Analysis of High Resolution Indoor THz SAR Imaging.
Proceedings of the 24th International ITG Workshop on Smart Antennas, 2020

2019
Full-Duplex Femto Base-Station With Antenna Selection: Experimental Validation.
IEEE Access, 2019

Reliability Analysis of Centralized Radio Access Networks in Non-Line-of-Sight and Line-of-Sight Scenarios.
IEEE Access, 2019

An Information-Theoretic Approach to the Chipless RFID Tag Identification.
IEEE Access, 2019

The Effect of Rough Surface Statistics on Diffuse Scattering at Terahertz Frequencies.
Proceedings of the European Conference on Networks and Communications, 2019

2018
Massive MIMO Antenna Selection: Switching Architectures, Capacity Bounds, and Optimal Antenna Selection Algorithms.
IEEE Trans. Signal Process., 2018

Artificial Noise-Based Physical-Layer Security in Interference Alignment Multipair Two-Way Relaying Networks.
IEEE Access, 2018

High-Accuracy Indoor Localization Based on Chipless RFID Systems at THz Band.
IEEE Access, 2018

2017
Spatial Channel Estimation-Based FDD-MIMO Interference Alignment Systems.
IEEE Wirel. Commun. Lett., 2017

Rotman Lens Based Hybrid Analog-Digital Beamforming in Massive MIMO Systems: Array Architectures, Beam Selection Algorithms and Experiments.
IEEE Trans. Veh. Technol., 2017

Adaptive spectrum scanning techniques for reducing the identification time of the frequency coded chipless RFID system.
Trans. Emerg. Telecommun. Technol., 2017

A distributed interference alignment algorithm using min-maxing strategy.
Trans. Emerg. Telecommun. Technol., 2017

A novel beamforming algorithm for massive MIMO chipless RFID systems.
Proceedings of the 2017 Wireless Telecommunications Symposium, 2017

Probability of coverage based analysis of distributed antenna system and its implementation on LTE based real-time-testbed.
Proceedings of the 9th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops, 2017

Printable, high coding capacity chipless RFID tags for low-cost item tagging.
Proceedings of the 14th IEEE International Conference on Networking, Sensing and Control, 2017

Novel notch detection techniques for Frequency Coded chipless RFID.
Proceedings of the 14th IEEE International Conference on Networking, Sensing and Control, 2017

A novel adaptive spectrum scanning technique for reducing the identification time of the UWB chipless RFID system.
Proceedings of the 14th IEEE International Conference on Networking, Sensing and Control, 2017

A novel FDD massive MIMO system based on downlink spatial channel estimation without CSIT.
Proceedings of the IEEE International Conference on Communications, 2017

Secure Interference Alignment Based Multiuser Relay System Using Artificial Noise.
Proceedings of the 2017 IEEE Global Communications Conference, 2017

2016
A Robust Opportunistic Relaying Strategy for Co-Operative Wireless Communications.
IEEE Trans. Wirel. Commun., 2016

Antenna Selection for Reliable MIMO-OFDM Interference Alignment Systems: Measurement-Based Evaluation.
IEEE Trans. Veh. Technol., 2016

Real-world testbed for multi-tag UWB chipless RFID system based on a novel collision avoidance MAC protocol.
Trans. Emerg. Telecommun. Technol., 2016

Adaptive Aloha anti-collision algorithms for RFID systems.
EURASIP J. Embed. Syst., 2016

Performance analysis of a MIMO-RFID system in Nakagami-m fading channels.
Ann. des Télécommunications, 2016

Real-time Testbed for Validating Distributed Antenna Scenarios.
Proceedings of the WSA 2016, 2016

Antenna selection in massive MIMO systems: Full-array selection or subarray selection?
Proceedings of the 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), 2016

Wideband hybrid analog-digital beamforming massive MIMO systems based on Rotman lens.
Proceedings of the 2016 IEEE International Conference on Communication Systems, 2016

2015
Interference Alignment With Frequency-Clustering for Efficient Resource Allocation in Cognitive Radio Networks.
IEEE Trans. Wirel. Commun., 2015

A multi-channel spectrum sensing scheme with filter bank realization for LTE signals.
Proceedings of the 16th IEEE International Symposium on A World of Wireless, 2015

Novel Pseudo-Noise coded chipless RFID system for clutter removal and tag detection.
Proceedings of the 2015 IEEE International Conference on RFID, 2015

Novel notch modulation algorithm for enhancing the chipless RFID tags coding capacity.
Proceedings of the 2015 IEEE International Conference on RFID, 2015

Bidirectional branch and bound based antenna selection in massive MIMO systems.
Proceedings of the 26th IEEE Annual International Symposium on Personal, 2015

An enhanced spectrum sensing algorithm with maximum ratio combination of spectral correlation.
Proceedings of the 23rd European Signal Processing Conference, 2015

Implementation Aspects of a DSP-Based LTE Cognitive Radio Testbed.
Proceedings of the Cognitive Radio Oriented Wireless Networks, 2015

Energy-Efficient Resource Allocation Based on Interference Alignment in MIMO-OFDM Cognitive Radio Networks.
Proceedings of the Cognitive Radio Oriented Wireless Networks, 2015

Experiments on spectrum sensing algorithms of pilot-added OFDM signals with a cognitive LTE-A system.
Proceedings of the 20th IEEE International Workshop on Computer Aided Modelling and Design of Communication Links and Networks, 2015

2014
Power optimal allocation in decode-and-forward opportunistic relaying.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2014

Analysis of generalized selection combining in cooperative networks with outdated CSI.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2014

Parallel In-band signal detection with self-interference suppression for cognitive LTE.
Proceedings of the 2014 IEEE Wireless Communications and Networking Conference Workshops, 2014

An MGF-Based Performance Analysis of Opportunistic Relay Selection with Outdated CSI.
Proceedings of the IEEE 79th Vehicular Technology Conference, 2014

Power loading and spectral efficiency comparison of MIMO OFDM/FBMC for interference alignment based cognitive radio systems.
Proceedings of the 11th International Symposium on Wireless Communications Systems, 2014

A differential space-time coded RFID system.
Proceedings of the 6th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops, 2014

Opportunistic space-time coding to exploit cooperative diversity in fast-fading channels.
Proceedings of the IEEE International Conference on Communications, 2014

Opportunistic relaying over Aerial-to-Terrestrial and Device-to-Device radio channels.
Proceedings of the IEEE International Conference on Communications, 2014

Achieving high reliability in Aerial-Terrestrial networks: Opportunistic space-time coding.
Proceedings of the European Conference on Networks and Communications, 2014

Optimal resource allocation based on interference alignment for OFDM and FBMC MIMO cognitive radio systems.
Proceedings of the European Conference on Networks and Communications, 2014

Active self-interference cancellation mechanism for full-duplex wireless transceivers.
Proceedings of the 9th International Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2014

On the design of MIMO antennas for cognitive radio systems.
Proceedings of the 1st International Workshop on Cognitive Cellular Systems, 2014

I/Q Imbalance Calibration for Higher Self-Interference Cancellation Levels in Full-Duplex Wireless Transceivers.
Proceedings of the 1st International Conference on 5G for Ubiquitous Connectivity, 2014

2013
Cognitive Radio - A Current Snapshot and Some Thoughts on Commercialization for Future Cellular Systems.
J. Signal Process. Syst., 2013

TDOA assisted RSSD based localization using UWB and directional antennas.
CoRR, 2013

Reference Selection for Hybrid TOA/RSS Linear Least Squares Localization.
Proceedings of the 78th IEEE Vehicular Technology Conference, 2013

Key issues towards beyond LTE-Advanced systems with cognitive radio.
Proceedings of the 14th IEEE Workshop on Signal Processing Advances in Wireless Communications, 2013

Min-maxing interference alignment algorithm as a semidefinite programming problem.
Proceedings of the 14th IEEE Workshop on Signal Processing Advances in Wireless Communications, 2013

A robust radio access technology classification scheme with practical considerations.
Proceedings of the IEEE 24th International Symposium on Personal, 2013

Multi-channel robust spectrum sensing with low-complexity filter bank realization.
Proceedings of the 24th IEEE Annual International Symposium on Personal, 2013

Two-step hybrid self-localization using unsynchronized low-complexity anchors.
Proceedings of the International Conference on Localization and GNSS, 2013

Study of the TDOA Assisted RSSD Localization with UWB in Real Indoor Environment.
Proceedings of the European Wireless 2013, 2013

The design of an LTE-A system enhanced with cognitive radio.
Proceedings of the 21st European Signal Processing Conference, 2013

Spectrum awareness scheme of the rapidly deployable eNodeB for unexpected and temporary events.
Proceedings of the IEEE 18th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks, 2013

2012
A Space-Time Coding Scheme for RFID MIMO Systems.
EURASIP J. Embed. Syst., 2012

TDOA assisted RSSD localization in UWB.
Proceedings of the 9th Workshop on Positioning, Navigation and Communication, 2012

DSSS differential GMSK with space-time modulation for robust mobile data links.
Proceedings of the 2012 IEEE Wireless Communications and Networking Conference, 2012

A comparison of robustness between interference alignment and direct transmission.
Proceedings of the International Symposium on Signals, Systems, and Electronics, 2012

Virtual MIMO in WiMAX relay system.
Proceedings of the International Symposium on Signals, Systems, and Electronics, 2012

MIMO multi-user relay system.
Proceedings of the International Symposium on Signals, Systems, and Electronics, 2012

Performances analysis of vehicle-to-X communication systems.
Proceedings of the IEEE International Symposium on Signal Processing and Information Technology, 2012

Antenna selection for Interference Alignment based on subspace Canonical Correlation.
Proceedings of the International Symposium on Communications and Information Technologies, 2012

Artificial diversity for UWB MB-OFDM Interference Alignment based on real-world channel models and antenna selection techniques.
Proceedings of the IEEE International Conference on Ultra-Wideband, 2012

2011
Spatial Fading Correlation for Local Scattering: A Condition of Angular Distribution.
IEEE Trans. Veh. Technol., 2011

Analysis of the influence of OFDM sidelobe interference on Femto rich systems.
Proceedings of the 9th International Symposium on Modeling and Optimization in Mobile, 2011

A synchronization method for implementing an OFDM system based on the TMS320C6416 DSP.
Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication, 2011

Measurement and ray-tracing of wideband indoor channel in UHF TV white space.
Proceedings of the CogART 2011, 2011

2010
Estimation algorithms of multiple channels and carrier frequency offsets in application to multiuser OFDM systems.
IEEE Trans. Wirel. Commun., 2010

Preequalizer Design for Spatial Multiplexing SIMO-UWB TR Systems.
IEEE Trans. Veh. Technol., 2010

Design and Performance of Dual-Hop MIMO UWB Transmissions.
IEEE Trans. Veh. Technol., 2010

A hybrid SS-TOA wireless geolocation based on path attenuation under imperfect path loss exponent.
Proceedings of the 18th European Signal Processing Conference, 2010

UWB MIMO cooperative relay systems: BER analysis and relay regions.
Proceedings of the 44th Annual Conference on Information Sciences and Systems, 2010

2009
On the performance of coherent and noncoherent UWB detection systems using a relay with multiple antennas.
IEEE Trans. Wirel. Commun., 2009

A Hybrid SS-ToA Wireless NLoS Geolocation Based on Path Attenuation: ToA Estimation and CRB for Mobile Position Estimation.
IEEE Trans. Veh. Technol., 2009

On the effect of shadow fading on wireless geolocation in mixed LoS/NLoS environments.
IEEE Trans. Signal Process., 2009

An Overview of Ultra-Wide-Band Systems With MIMO.
Proc. IEEE, 2009

A 2-dimensional filter for UWB-localization in NLoS scenarios using BeamLoc.
Proceedings of the 6th Workshop on Positioning, Navigation and Communication, 2009

A hybrid SS-ToA wireless NLoS geolocation based on path attenuation: mobile position estimation.
Proceedings of the 2009 IEEE Wireless Communications and Networking Conference, 2009

A Hybrid SS-ToA Wireless NLoS Geolocation Based on Path Attenuation: Cramér-Rao Bound.
Proceedings of the 69th IEEE Vehicular Technology Conference, 2009

Antenna Selection for Time Reversal MIMO UWB Systems.
Proceedings of the 69th IEEE Vehicular Technology Conference, 2009

Performance Investigation of a UWB Relay System using Multiple Relays with Multiple Antennas in IEEE 802.15.3a Channel.
Proceedings of the 69th IEEE Vehicular Technology Conference, 2009

Signal design to mitigate the impact of RF impairment in OFDM communication systems.
Proceedings of the IEEE 20th International Symposium on Personal, 2009

A distributed simulation engine for cooperative multi-user MIMO enhanced wireless communications.
Proceedings of the 17th European Signal Processing Conference, 2009

Cyclostationary multitone beacon signal for opportunistic spectrum access.
Proceedings of the 4th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2009

Performance of dual-hop MIMO ultra-wideband transmissions: Preliminary results.
Proceedings of the 43rd Annual Conference on Information Sciences and Systems, 2009

2008
On the Evaluation of Channel Capacity of UWB Indoor Wireless Systems.
IEEE Trans. Signal Process., 2008

Antenna Subset Selection for Cyclic Prefix Assisted MIMO Wireless Communications over Frequency Selective Channels.
EURASIP J. Adv. Signal Process., 2008

MIMO SC-FDMA system performance for space time / frequency coding and spatial multiplexing.
Proceedings of the 2008 International ITG Workshop on Smart Antennas, 2008

Position estimation in IR-UWB autonomous wireless sensor networks.
Proceedings of the 5th Workshop on Positioning, Navigation and Communication, 2008

A novel simulation system for the performance evaluation of 3GPP LTE system in indoor scenarios.
Proceedings of the Third International Symposium on Wireless Pervasive Computing, 2008

2007
Exploiting Multiuser Diversity With Imperfect One-Bit Channel State Feedback.
IEEE Trans. Veh. Technol., 2007

Channel-Aware ALOHA-Based OFDM Subcarrier Assignment in Single-Cell Wireless Communications.
IEEE Trans. Commun., 2007

A real-time pre-MIMO-LTE software radio testbed.
Proceedings of the 15th European Signal Processing Conference, 2007

CA-MAC: Autonomous, Cognitive MAC for IR-UWB Networks.
Proceedings of the 2nd International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2007

2006
Antennas: state of the art.
IEEE Veh. Technol. Mag., 2006

On the impulsiveness of multiuser interferences in TH-PPM-UWB systems.
IEEE Trans. Signal Process., 2006

Ultra wideband impulse beamforming: It is a different world.
Signal Process., 2006

Impulsive noise in UWB systems and its suppression.
Mob. Networks Appl., 2006

Signal Processing with High Complexity: Prototyping and Industrial Design.
EURASIP J. Embed. Syst., 2006

On the Channel Capacity of Multiantenna Systems with Nakagami Fading.
EURASIP J. Adv. Signal Process., 2006

Wireless Location Technologies and Applications.
EURASIP J. Adv. Signal Process., 2006

Implementation Aspects and Testbeds for MIMO Systems.
EURASIP J. Adv. Signal Process., 2006

Transmit and receive antenna subset selection for MIMO SC-FDE in frequency selective channels.
Proceedings of the 14th European Signal Processing Conference, 2006

Impact of Ultra Wide-Band Antennas on Communications in a Spatial Cannel.
Proceedings of the 1st International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2006

An Introduction to Multiple Antennas for UWB Communication and Localization.
Proceedings of the 40th Annual Conference on Information Sciences and Systems, 2006

2005
Editorial.
EURASIP J. Adv. Signal Process., 2005

On Parameter Estimation of Ricean Fading MIMO Channel: Correlated Signals and Spatial Scattering.
Proceedings of the IEEE 16th International Symposium on Personal, 2005

Highlights of UWB impulse beamforming.
Proceedings of the 13th European Signal Processing Conference, 2005

An exemplary comparison of Per Antenna Rate Control based MIMO-HSDPA receivers.
Proceedings of the 13th European Signal Processing Conference, 2005

2004
Editorial.
EURASIP J. Adv. Signal Process., 2004

Pursuing multiuser diversity in an OFDM system with decentralized channel state information.
Proceedings of IEEE International Conference on Communications, 2004

Towards beamforming for UWB signals.
Proceedings of the 2004 12th European Signal Processing Conference, 2004

Prototyping for MIMO systems - an overview.
Proceedings of the 2004 12th European Signal Processing Conference, 2004

1995
Schätzung der Parameter stochastischer Systeme unter Verwendung höherer Momente mit einer Anwendung in der automatischen Brandentdeckung.
PhD thesis, 1995

MA-model identification using modulated moment sequences.
Signal Process., 1995


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