Konstantinos Nikitopoulos

87 papers A* 2B 16C 1Misc 4Journal 44Unranked 20
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Measurement-Based Power Consumption Model for Networks With Intelligent Control (RIC).
IEEE Open J. Commun. Soc.
João Paulo S. H. Lima, Georgios Ntavazlis Katsaros, Rahim Tafazolli, Konstantinos Nikitopoulos
2025 — conf
Enabling Massive Connectivity Through Non-linear Processing in Non-orthogonal Wireless Systems.
NFV-SDN
Georgios Ntavazlis Katsaros, Marcin Filo, Chathura Jayawardena, Konstantinos Nikitopoulos
2025 J jnl
NL-COMM: Enabling High-Performing Next-Generation Networks via Advanced Non-Linear Processing.
Future Internet
Chathura Jayawardena, Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2025 B conf
NL-COMM: Enhanced Video Streaming via Advanced Non-Linear Processing.
WCNC
Marcin Filo, Georgios Ntavazlis Katsaros, Chathura Jayawardena, Konstantinos Nikitopoulos
2025 — conf
Non-Linear MIMO Processing for Highly-Efficient Sub-6 GHz Integrated Access and Backhaul in 5G Networks.
NFV-SDN
Chathura Jayawardena, Marcin Filo, Konstantinos Nikitopoulos
2025 B conf
Power-Efficient RAN Intelligent Controllers Through Optimized KPI Monitoring.
WCNC
João Paulo S. H. Lima, Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2025 J jnl
Power-Efficient RAN Intelligent Controllers Through Optimized KPI Monitoring.
CoRR
João Paulo S. H. Lima, Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2025 — conf
Toward Fully Neuromorphic Receivers for Ultra-Power Efficient Communications.
SPAWC
Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2024 B conf
An Analogue Channel Estimation Method Suitable for DigiLogue Receivers.
WCNC
Mahmoud Mojarrad Kiasaraei, Konstantinos Nikitopoulos, Rahim Tafazolli
2024 B conf
Enabling Ultra-Dense, Open-RAN, Vehicular Networks with Non-Linear MIMO Processing.
PIMRC
Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2024 J jnl
High-Throughput Accelerator for Exact-MMSE Soft-Output Detection in Open RAN Systems.
IEEE Access
Thomas James Thomas, Konstantinos Nikitopoulos
2024 J jnl
High-Throughput, Sorted QR Accelerator for Non-Linear Processing in Open-RAN Systems.
IEEE Access
Thomas James Thomas, Marcin Filo, Konstantinos Nikitopoulos
2024 J jnl
MIMO-SoftiPHY: A Software-Based PHY Design and Implementation Framework for Highly-Efficient Open-RAN MIMO Radios.
IEEE Trans. Mob. Comput.
Georgios Ntavazlis Katsaros, Marcin Filo, Rahim Tafazolli, Konstantinos Nikitopoulos
2024 — conf
NL-COMM: Demonstrating Gains of Non-Linear Processing in Open-RAN Ecosystem.
CAMAD
Chathura Jayawardena, Marcin Filo, Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2024 J jnl
NL-COMM: Demonstrating Gains of Non-Linear Processing in Open-RAN Ecosystem.
CoRR
Chathura Jayawardena, Marcin Filo, Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2024 Misc conf
NeuroMIMO: Employing the Neuromorphic Computing Principles to Achieve Power-Efficient MU-MIMO Detection.
HotNets
Georgios Ntavazlis Katsaros, Juan Carlos De Luna Ducoing, Konstantinos Nikitopoulos
2024 J jnl
Power Efficient and Ultra Dense Open-RAN Vehicular Networks With Non-Linear Processing.
IEEE Access
Georgios Ntavazlis Katsaros, Konstantinos Nikitopoulos
2024 J jnl
Toward Software-Based, MIMO, Open-RAN PHY Architectures with Both Linear and Non-Linear Processing.
IEEE Commun. Mag.
Konstantinos Nikitopoulos, Georgios Ntavazlis Katsaros, Marcin Filo, Chathura Jayawardena, Rahim Tafazolli
2024 J jnl
Toward Ultra-Power-Efficient, Tbps Wireless Systems via Analogue Processing: Existing Approaches, Challenges and Way Forward.
IEEE Commun. Surv. Tutorials
Mahmoud Mojarrad Kiasaraei, Konstantinos Nikitopoulos, Rahim Tafazolli
2024 — conf
Towards Neuromorphic Processing for Next-Generation MU-MIMO Detection.
SPAWC
Georgios Ntavazlis Katsaros, Juan Carlos De Luna Ducoing, Konstantinos Nikitopoulos
2024 B conf
Ultra-Low-Complexity, Non-Linear Processing for MU-MIMO Systems.
PIMRC
Chathura Jayawardena, Konstantinos Nikitopoulos
2023 — conf
A DigiLogue Receiver Design for Tbps Wireless Transmissions over Flat-Fading Channels.
CAMAD
Mahmoud Mojarrad Kiasaraei, Rahim Tafazolli, Konstantinos Nikitopoulos
2023 J jnl
An Assessment of Deep Learning Versus Massively Parallel, Non-Linear Methods for Highly-Efficient MIMO Detection.
IEEE Access
Juan Carlos De Luna Ducoing, Chathura Jayawardena, Konstantinos Nikitopoulos
2023 — conf
Joint Frequency Offset Compensation and Detection for Multi-User MIMO-OFDM Systems with Frequency Asynchronous User Access.
ICC
Chathura Jayawardena, Konstantinos Nikitopoulos
2023 A* conf
MU-MIMO, Open-RAN PHY with Linear and Massively Parallelizable Non-Linear Processing.
MobiCom
Konstantinos Nikitopoulos, Marcin Filo, Georgios Ntavazlis Katsaros, Chathura Jayawardena, Rahim Tafazolli
2023 — conf
Scalable MU-MIMO User Scheduling for Next-Generation Wireless Networks.
CAMAD
Juan Carlos De Luna Ducoing, Konstantinos Nikitopoulos
2022 J jnl
Massively Parallel, Nonlinear Processing for 6G: Potential Gains and Further Research Challenges.
IEEE Commun. Mag.
Konstantinos Nikitopoulos
2022 — conf
On the Power Consumption of Massive-MIMO, 5G New Radio with Software-Based PHY Processing.
GLOBECOM (Workshops)
Georgios Ntavazlis Katsaros, Rahim Tafazolli, Konstantinos Nikitopoulos
2022 — conf
Quantum Annealing for Next-Generation MU-MIMO Detection: Evaluation and Challenges.
ICC
Juan Carlos De Luna Ducoing, Konstantinos Nikitopoulos
2022 — conf
Reduced Complexity Matrix Inversions in Slow Time-Varying MIMO Channels.
ICC
Yong Xia, Chathura Jayawardena, Konstantinos Nikitopoulos
2021 J jnl
A Signal Processing Framework for Agile RF Beamforming: From RF-Chain-Free to Hybrid Beamformers.
IEEE Trans. Commun.
Sohail Payami, Konstantinos Nikitopoulos, Mohsen Khalily, Rahim Tafazolli
2021 — conf
DigiLogue: Ultra-Fast and Ultra-Power-Efficient Signal Processing for Tbps Wireless Systems.
GLOBECOM (Workshops)
Konstantinos Nikitopoulos, Mahmoud Mojarrad Kiasaraei
2021 J jnl
Generalized Space-Time Super-Modulation and Its Application to Grant-Free Medium Access.
IEEE Trans. Commun.
Farhad Mehran, Konstantinos Nikitopoulos, Hamid Jafarkhani
2021 J jnl
Gyre Precoding for MU-MIMO Systems.
IEEE Commun. Lett.
Juan Carlos De Luna Ducoing, Yiping Qin, Yun Xue, Konstantinos Nikitopoulos
2021 J jnl
LDPC Hardware Acceleration in 5G Open Radio Access Network Platforms.
IEEE Access
Elissaios-Alexios Papatheofanous, Dionysios I. Reisis, Konstantinos Nikitopoulos
2021 J jnl
Low-Complexity SCMA Detection for Unsupervised User Access.
IEEE Commun. Lett.
Christopher Husmann, Chathura Jayawardena, Amine Maaref, Pei Xiao, Konstantinos Nikitopoulos
2021 J jnl
Non-Linear Base-Station Processing Within a 3GPP Compliant Framework.
IEEE Access
Konstantinos Nikitopoulos, Marcin Filo, Chathura Jayawardena, Juan Carlos De Luna Ducoing, Rahim Tafazolli
2021 — conf
SACCESS: Towards A Software Acceleration Framework for 5G Radio Access Networks.
MeditCom
Marcin Filo, Yong Xia, Konstantinos Nikitopoulos
2021 — conf
The LDPC Challenge in Software-Based 5G New Radio Physical Layer Processing.
MeditCom
Elissaios-Alexios Papatheofanous, Dionysios I. Reisis, Konstantinos Nikitopoulos
2021 — conf
Towards 6G MIMO Systems, with Massively-Parallel Non-Linear Processing.
MeditCom
Juan Carlos De Luna Ducoing, Chathura Jayawardena, Marcin Filo, Konstantinos Nikitopoulos
2020 Misc conf
A DSP Acceleration Framework For Software-Defined Radios On X86 64.
ICASSP
Georgios Georgis, Alexios Thanos, Marcin Filo, Konstantinos Nikitopoulos
2020 J jnl
Developing the First mmWave Fully-Connected Hybrid Beamformer With a Large Antenna Array.
IEEE Access
Sohail Payami, Mohsen Khalily, Ali Araghi, Tian Hong Loh, David Cheadle, Konstantinos Nikitopoulos, Rahim Tafazolli
2020 B conf
Evaluating Non-Linear Beamforming in a 3GPP-Compliant Framework Using the SWORD Platform.
PIMRC
Marcin Filo, Juan Carlos De Luna Ducoing, Chathura Jayawardena, Christopher Husmann, Rahim Tafazolli, Konstantinos Nikitopoulos
2020 J jnl
Filtered OFDM: An Insight Into Intrinsic In-Band Interference and Filter Frequency Response Selectivity.
IEEE Access
Juquan Mao, Lei Zhang, Pei Xiao, Konstantinos Nikitopoulos
2020 J jnl
G-MultiSphere: Generalizing Massively Parallel Detection for Non-Orthogonal Signal Transmissions.
IEEE Trans. Commun.
Chathura Jayawardena, Konstantinos Nikitopoulos
2020 J jnl
Hybrid Beamforming With Switches and Phase Shifters Over Frequency-Selective Channels.
IEEE Wirel. Commun. Lett.
Sohail Payami, Mohsen Khalily, Tian Hong Loh, Konstantinos Nikitopoulos
2020 J jnl
Interference Analysis and Power Allocation in the Presence of Mixed Numerologies.
IEEE Trans. Wirel. Commun.
Juquan Mao, Lei Zhang, Pei Xiao, Konstantinos Nikitopoulos
2020 J jnl
Towards Radio Designs with Non-Linear Processing for Next Generation Mobile Systems.
CoRR
Konstantinos Nikitopoulos, Marcin Filo, Chathura Jayawardena, Rahim Tafazolli
2019 J jnl
Enhanced DCT-OFDM System With Index Modulation.
IEEE Trans. Veh. Technol.
Chang He, Aijun Cao, Lixia Xiao, Lei Zhang, Pei Xiao, Konstantinos Nikitopoulos
2019 — conf
Index Modulation Assisted DCT-OFDM with Enhanced Transceiver Design.
ICC
Chang He, Aijun Cao, Lixia Xiao, Lei Zhang, Pei Xiao, Konstantinos Nikitopoulos
2019 J jnl
Low-Complexity Hybrid Beamforming for Massive MIMO Systems in Frequency-Selective Channels.
IEEE Access
Sohail Payami, Mathini Sellathurai, Konstantinos Nikitopoulos
2019 J jnl
Massively Parallel Tree Search for High-Dimensional Sphere Decoders.
IEEE Trans. Parallel Distributed Syst.
Konstantinos Nikitopoulos, Georgios Georgis, Chathura Jayawardena, Daniil Chatzipanagiotis, Rahim Tafazolli
2019 J jnl
SWORD: Towards a Soft and Open Radio Design for Rapid Development, Profiling, Validation and Testing.
IEEE Access
Georgios Georgis, Marcin Filo, Alexios Thanos, Christopher Husmann, Juan Carlos De Luna Ducoing, Rahim Tafazolli, Konstantinos Nikitopoulos
2018 — conf
Antipodal Detection and Decoding for Large Multi-User MIMO with Reduced Base-Station Antennas.
GLOBECOM Workshops
Christopher Husmann, Rahim Tafazolli, Konstantinos Nikitopoulos
2018 B conf
Generalized Space-Time Super-Modulation for Headerless Grant-Free Rateless Multiple Access.
GLOBECOM
Farhad Mehran, Konstantinos Nikitopoulos
2018 — conf
Massively Parallel Detection for Non-Orthogonal Signal Transmissions.
GLOBECOM Workshops
Chathura Jayawardena, Konstantinos Nikitopoulos
2018 J jnl
Reduced Latency ML Polar Decoding via Multiple Sphere-Decoding Tree Searches.
IEEE Trans. Veh. Technol.
Christopher Husmann, Panagiotis Chatzi Nikolaou, Konstantinos Nikitopoulos
2018 B conf
ViPer MIMO: Increasing Large MIMO Efficiency via Practical Vector-Perturbation.
GLOBECOM
Christopher Husmann, Konstantinos Nikitopoulos
2017 B conf
A DHT-based multicarrier modulation system with pairwise ML detection.
PIMRC
Juquan Mao, Chin-Liang Wang, Lei Zhang, Chang He, Pei Xiao, Konstantinos Nikitopoulos
2017 B conf
Efficient DCT-MCM detection for single and multi-antenna wireless systems.
PIMRC
Chang He, Pei Xiao, Lei Zhang, Juquan Mao, Aijun Cao, Konstantinos Nikitopoulos
2017 Misc conf
FlexCore: Massively Parallel and Flexible Processing for Large MIMO Access Points.
NSDI
Christopher Husmann, Georgios Georgis, Konstantinos Nikitopoulos, Kyle Jamieson
2017 J jnl
Geosphere: An Exact Depth-First Sphere Decoder Architecture Scalable to Very Dense Constellations.
IEEE Access
Georgios Georgis, Konstantinos Nikitopoulos, Kyle Jamieson
2017 J jnl
Space-Time Super-Modulation: Concept, Design Rules, and Its Application to Joint Medium Access and Rateless Transmission.
IEEE Trans. Wirel. Commun.
Konstantinos Nikitopoulos, Farhad Mehran, Hamid Jafarkhani
2016 B conf
MultiSphere: Massively Parallel Tree Search for Large Sphere Decoders.
GLOBECOM
Konstantinos Nikitopoulos, Daniil Chatzipanagiotis, Chathura Jayawardena, Rahim Tafazolli
2016 B conf
Space-Time Super-Modulation and Its Application to Joint Medium Access and Rateless Transmission.
GLOBECOM
Konstantinos Nikitopoulos, Farhad Mehran, Hamid Jafarkhani
2015 J jnl
Exact Max-Log MAP Soft-Output Sphere Decoding via Approximate Schnorr-Euchner Enumeration.
IEEE Trans. Veh. Technol.
Konstantinos Nikitopoulos, Athanasios Karachalios, Dionysios I. Reisis
2015 — conf
Rateless wireless systems: Gains, approaches, and challenges.
ChinaSIP
Farhad Mehran, Konstantinos Nikitopoulos, Pei Xiao, Qingchun Chen
2014 A* conf
Geosphere: consistently turning MIMO capacity into throughput.
SIGCOMM
Konstantinos Nikitopoulos, Juan Zhou, Ben J. Congdon, Kyle Jamieson
2012 — conf
A simple complexity adjustment technique for soft MIMO receivers in broadcasting scenarios.
ISWCS
Konstantinos Nikitopoulos, Gerd Ascheid
2012 J jnl
Approximate MIMO Iterative Processing With Adjustable Complexity Requirements.
IEEE Trans. Veh. Technol.
Konstantinos Nikitopoulos, Gerd Ascheid
2012 B conf
Multi-user detection for asynchronous space-frequency block coded schemes in frequency selective environments.
GLOBECOM
Konstantinos Nikitopoulos, Sanaz Barghi, Hamid Jafarkhani, Homayoun Yousefi'zadeh
2011 J jnl
Approximate MIMO Iterative Processing with Adjustable Complexity Requirements
CoRR
Konstantinos Nikitopoulos, Gerd Ascheid
2011 J jnl
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping.
IEEE Commun. Lett.
Konstantinos Nikitopoulos, Gerd Ascheid
2010 J jnl
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping
CoRR
Konstantinos Nikitopoulos, Gerd Ascheid
2010 J jnl
Complexity-efficient enumeration techniques for soft-input, soft-output sphere decoding.
IEEE Commun. Lett.
Konstantinos Nikitopoulos, Dan Zhang, I-Wei Lai, Gerd Ascheid
2010 C conf
Informed message update for iterative MIMO demapping and turbo decoding.
ISITA
Dan Zhang, I-Wei Lai, Konstantinos Nikitopoulos, Gerd Ascheid
2010 Misc conf
Iterative channel estimation control for MIMO-OFDM Systems.
CISS
Dan Zhang, Konstantinos Nikitopoulos, I-Wei Lai, Gerd Ascheid, Heinrich Meyr
2010 J jnl
MIMO APP Receiver Processing with Performance-Determined Complexity
CoRR
Konstantinos Nikitopoulos, Gerd Ascheid
2009 B conf
Combining orthogonalized partial metrics: Efficient enumeration for soft-input sphere decoder.
PIMRC
Chun-Hao Liao, I-Wei Lai, Konstantinos Nikitopoulos, Filippo Borlenghi, David Kammler, Ernst Martin Witte, Dan Zhang, Tzi-Dar Chiueh, Gerd Ascheid, Heinrich Meyr
2009 J jnl
Complexity-Efficient Enumeration Techniques for Soft-Input, Soft-Output Sphere Decoding
CoRR
Konstantinos Nikitopoulos, Ernst Martin Witte, Dan Zhang, David Kammler, I-Wei Lai, Chun-Hao Liao, Filippo Borlenghi, Gerd Ascheid
2009 J jnl
Decision-aided compensation of severe phase-impairment-induced inter-carrier interference in frequency-selective OFDM.
IEEE Trans. Wirel. Commun.
Konstantinos Nikitopoulos, Stelios Stefanatos, Aggelos K. Katsaggelos
2009 B conf
Searching in the Delta Lattice: An Efficient MIMO Detection for Iterative Receivers.
GLOBECOM
I-Wei Lai, Chun-Hao Liao, Ernst Martin Witte, David Kammler, Filippo Borlenghi, Konstantinos Nikitopoulos, Venkatesh Ramakrishnan, Dan Zhang, Tzi-Dar Chiueh, Gerd Ascheid, Heinrich Meyr
2007 J jnl
Inter-Frame, Fine Frequency/Phase Synchronization forSimple Space-Time-Coded OFDM Receivers.
IEEE Trans. Wirel. Commun.
Konstantinos Nikitopoulos, Andreas Polydoros
2005 J jnl
Flexible Radio: A Framework for Optimized Multimodal Operation via Dynamic Signal Design.
EURASIP J. Wirel. Commun. Netw.
Ioannis Dagres, Andreas Zalonis, Nikos Dimitriou, Konstantinos Nikitopoulos, Andreas Polydoros
2005 J jnl
Phase-impairment effects and compensation algorithms for OFDM systems.
IEEE Trans. Commun.
Konstantinos Nikitopoulos, Andreas Polydoros
2004 J jnl
Decision-directed compensation of phase noise and residual frequency offset in a space-Time OFDM receiver.
IEEE Commun. Lett.
Konstantinos Nikitopoulos, Andreas Polydoros
2001 B conf
Compensation schemes for phase noise and residual frequency offset in OFDM systems.
GLOBECOM
Konstantinos Nikitopoulos, Andreas Polydoros