Konstantinos Nikitopoulos

Orcid: 0000-0003-3056-7748

Affiliations:
  • University of Surrey, UK


According to our database1, Konstantinos Nikitopoulos authored at least 74 papers between 2001 and 2024.

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

Timeline

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Bibliography

2024
MIMO-SoftiPHY: A Software-Based PHY Design and Implementation Framework for Highly-Efficient Open-RAN MIMO Radios.
IEEE Trans. Mob. Comput., December, 2024

Toward Software-Based, MIMO, Open-RAN PHY Architectures with Both Linear and Non-Linear Processing.
IEEE Commun. Mag., August, 2024

NL-COMM: Demonstrating Gains of Non-Linear Processing in Open-RAN Ecosystem.
CoRR, 2024

Toward Ultra-Power-Efficient, Tbps Wireless Systems via Analogue Processing: Existing Approaches, Challenges and Way Forward.
IEEE Commun. Surv. Tutorials, 2024

High-Throughput Accelerator for Exact-MMSE Soft-Output Detection in Open RAN Systems.
IEEE Access, 2024

High-Throughput, Sorted QR Accelerator for Non-Linear Processing in Open-RAN Systems.
IEEE Access, 2024

Power Efficient and Ultra Dense Open-RAN Vehicular Networks With Non-Linear Processing.
IEEE Access, 2024

An Analogue Channel Estimation Method Suitable for DigiLogue Receivers.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2024

Towards Neuromorphic Processing for Next-Generation MU-MIMO Detection.
Proceedings of the 25th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2024

NeuroMIMO: Employing the Neuromorphic Computing Principles to Achieve Power-Efficient MU-MIMO Detection.
Proceedings of the 23rd ACM Workshop on Hot Topics in Networks, 2024

2023
An Assessment of Deep Learning Versus Massively Parallel, Non-Linear Methods for Highly-Efficient MIMO Detection.
IEEE Access, 2023

MU-MIMO, Open-RAN PHY with Linear and Massively Parallelizable Non-Linear Processing.
Proceedings of the 29th Annual International Conference on Mobile Computing and Networking, 2023

Joint Frequency Offset Compensation and Detection for Multi-User MIMO-OFDM Systems with Frequency Asynchronous User Access.
Proceedings of the IEEE International Conference on Communications, 2023

A DigiLogue Receiver Design for Tbps Wireless Transmissions over Flat-Fading Channels.
Proceedings of the 28th IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks , 2023

Scalable MU-MIMO User Scheduling for Next-Generation Wireless Networks.
Proceedings of the 28th IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks , 2023

2022
Massively Parallel, Nonlinear Processing for 6G: Potential Gains and Further Research Challenges.
IEEE Commun. Mag., 2022

Reduced Complexity Matrix Inversions in Slow Time-Varying MIMO Channels.
Proceedings of the IEEE International Conference on Communications, 2022

Quantum Annealing for Next-Generation MU-MIMO Detection: Evaluation and Challenges.
Proceedings of the IEEE International Conference on Communications, 2022

On the Power Consumption of Massive-MIMO, 5G New Radio with Software-Based PHY Processing.
Proceedings of the IEEE Globecom 2022 Workshops, 2022

2021
A Signal Processing Framework for Agile RF Beamforming: From RF-Chain-Free to Hybrid Beamformers.
IEEE Trans. Commun., 2021

Generalized Space-Time Super-Modulation and Its Application to Grant-Free Medium Access.
IEEE Trans. Commun., 2021

Low-Complexity SCMA Detection for Unsupervised User Access.
IEEE Commun. Lett., 2021

Gyre Precoding for MU-MIMO Systems.
IEEE Commun. Lett., 2021

LDPC Hardware Acceleration in 5G Open Radio Access Network Platforms.
IEEE Access, 2021

Non-Linear Base-Station Processing Within a 3GPP Compliant Framework.
IEEE Access, 2021

The LDPC Challenge in Software-Based 5G New Radio Physical Layer Processing.
Proceedings of the IEEE International Mediterranean Conference on Communications and Networking, 2021

SACCESS: Towards A Software Acceleration Framework for 5G Radio Access Networks.
Proceedings of the IEEE International Mediterranean Conference on Communications and Networking, 2021

Towards 6G MIMO Systems, with Massively-Parallel Non-Linear Processing.
Proceedings of the IEEE International Mediterranean Conference on Communications and Networking, 2021

DigiLogue: Ultra-Fast and Ultra-Power-Efficient Signal Processing for Tbps Wireless Systems.
Proceedings of the IEEE Globecom 2021 Workshops, Madrid, Spain, December 7-11, 2021, 2021

2020
Hybrid Beamforming With Switches and Phase Shifters Over Frequency-Selective Channels.
IEEE Wirel. Commun. Lett., 2020

Interference Analysis and Power Allocation in the Presence of Mixed Numerologies.
IEEE Trans. Wirel. Commun., 2020

G-MultiSphere: Generalizing Massively Parallel Detection for Non-Orthogonal Signal Transmissions.
IEEE Trans. Commun., 2020

Towards Radio Designs with Non-Linear Processing for Next Generation Mobile Systems.
CoRR, 2020

Developing the First mmWave Fully-Connected Hybrid Beamformer With a Large Antenna Array.
IEEE Access, 2020

Filtered OFDM: An Insight Into Intrinsic In-Band Interference and Filter Frequency Response Selectivity.
IEEE Access, 2020

Evaluating Non-Linear Beamforming in a 3GPP-Compliant Framework Using the SWORD Platform.
Proceedings of the 31st IEEE Annual International Symposium on Personal, 2020

A DSP Acceleration Framework For Software-Defined Radios On X86 64.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019
Enhanced DCT-OFDM System With Index Modulation.
IEEE Trans. Veh. Technol., 2019

Massively Parallel Tree Search for High-Dimensional Sphere Decoders.
IEEE Trans. Parallel Distributed Syst., 2019

Low-Complexity Hybrid Beamforming for Massive MIMO Systems in Frequency-Selective Channels.
IEEE Access, 2019

SWORD: Towards a Soft and Open Radio Design for Rapid Development, Profiling, Validation and Testing.
IEEE Access, 2019

Index Modulation Assisted DCT-OFDM with Enhanced Transceiver Design.
Proceedings of the 2019 IEEE International Conference on Communications, 2019

2018
Reduced Latency ML Polar Decoding via Multiple Sphere-Decoding Tree Searches.
IEEE Trans. Veh. Technol., 2018

Generalized Space-Time Super-Modulation for Headerless Grant-Free Rateless Multiple Access.
Proceedings of the IEEE Global Communications Conference, 2018

Massively Parallel Detection for Non-Orthogonal Signal Transmissions.
Proceedings of the IEEE Globecom Workshops, 2018

Antipodal Detection and Decoding for Large Multi-User MIMO with Reduced Base-Station Antennas.
Proceedings of the IEEE Globecom Workshops, 2018

ViPer MIMO: Increasing Large MIMO Efficiency via Practical Vector-Perturbation.
Proceedings of the IEEE Global Communications Conference, 2018

2017
Space-Time Super-Modulation: Concept, Design Rules, and Its Application to Joint Medium Access and Rateless Transmission.
IEEE Trans. Wirel. Commun., 2017

Geosphere: An Exact Depth-First Sphere Decoder Architecture Scalable to Very Dense Constellations.
IEEE Access, 2017

A DHT-based multicarrier modulation system with pairwise ML detection.
Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

Efficient DCT-MCM detection for single and multi-antenna wireless systems.
Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

FlexCore: Massively Parallel and Flexible Processing for Large MIMO Access Points.
Proceedings of the 14th USENIX Symposium on Networked Systems Design and Implementation, 2017

2016
Space-Time Super-Modulation and Its Application to Joint Medium Access and Rateless Transmission.
Proceedings of the 2016 IEEE Global Communications Conference, 2016

MultiSphere: Massively Parallel Tree Search for Large Sphere Decoders.
Proceedings of the 2016 IEEE Global Communications Conference, 2016

2015
Exact Max-Log MAP Soft-Output Sphere Decoding via Approximate Schnorr-Euchner Enumeration.
IEEE Trans. Veh. Technol., 2015

Rateless wireless systems: Gains, approaches, and challenges.
Proceedings of the IEEE China Summit and International Conference on Signal and Information Processing, 2015

2014
Geosphere: consistently turning MIMO capacity into throughput.
Proceedings of the ACM SIGCOMM 2014 Conference, 2014

2012
Approximate MIMO Iterative Processing With Adjustable Complexity Requirements.
IEEE Trans. Veh. Technol., 2012

A simple complexity adjustment technique for soft MIMO receivers in broadcasting scenarios.
Proceedings of the 2012 International Symposium on Wireless Communication Systems (ISWCS), 2012

Multi-user detection for asynchronous space-frequency block coded schemes in frequency selective environments.
Proceedings of the 2012 IEEE Global Communications Conference, 2012

2011
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping.
IEEE Commun. Lett., 2011

2010
Complexity-efficient enumeration techniques for soft-input, soft-output sphere decoding.
IEEE Commun. Lett., 2010

MIMO APP Receiver Processing with Performance-Determined Complexity
CoRR, 2010

Informed message update for iterative MIMO demapping and turbo decoding.
Proceedings of the International Symposium on Information Theory and its Applications, 2010

Iterative channel estimation control for MIMO-OFDM Systems.
Proceedings of the 44th Annual Conference on Information Sciences and Systems, 2010

2009
Decision-aided compensation of severe phase-impairment-induced inter-carrier interference in frequency-selective OFDM.
IEEE Trans. Wirel. Commun., 2009

Complexity-Efficient Enumeration Techniques for Soft-Input, Soft-Output Sphere Decoding
CoRR, 2009

Combining orthogonalized partial metrics: Efficient enumeration for soft-input sphere decoder.
Proceedings of the IEEE 20th International Symposium on Personal, 2009

Searching in the Delta Lattice: An Efficient MIMO Detection for Iterative Receivers.
Proceedings of the Global Communications Conference, 2009. GLOBECOM 2009, Honolulu, Hawaii, USA, 30 November, 2009

2007
Inter-Frame, Fine Frequency/Phase Synchronization forSimple Space-Time-Coded OFDM Receivers.
IEEE Trans. Wirel. Commun., 2007

2005
Phase-impairment effects and compensation algorithms for OFDM systems.
IEEE Trans. Commun., 2005

Flexible Radio: A Framework for Optimized Multimodal Operation via Dynamic Signal Design.
EURASIP J. Wirel. Commun. Netw., 2005

2004
Decision-directed compensation of phase noise and residual frequency offset in a space-Time OFDM receiver.
IEEE Commun. Lett., 2004

2001
Compensation schemes for phase noise and residual frequency offset in OFDM systems.
Proceedings of the Global Telecommunications Conference, 2001


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