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Konstantinos Nikitopoulos
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- affiliation: University of Surrey, UK
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2020 – today
- 2024
- [j32]George N. Katsaros
, Konstantinos Nikitopoulos
:
Power Efficient and Ultra Dense Open-RAN Vehicular Networks With Non-Linear Processing. IEEE Access 12: 38150-38162 (2024) - [j31]Thomas James Thomas
, Marcin Filo
, Konstantinos Nikitopoulos
:
High-Throughput, Sorted QR Accelerator for Non-Linear Processing in Open-RAN Systems. IEEE Access 12: 44564-44572 (2024) - [j30]Mahmoud Mojarrad Kiasaraei
, Konstantinos Nikitopoulos
, Rahim Tafazolli
:
Toward Ultra-Power-Efficient, Tbps Wireless Systems via Analogue Processing: Existing Approaches, Challenges and Way Forward. IEEE Commun. Surv. Tutorials 26(2): 747-780 (2024) - [c33]Mahmoud Mojarrad Kiasaraei, Konstantinos Nikitopoulos, Rahim Tafazolli:
An Analogue Channel Estimation Method Suitable for DigiLogue Receivers. WCNC 2024: 1-6 - 2023
- [j29]Juan Carlos De Luna Ducoing
, Chathura Jayawardena
, Konstantinos Nikitopoulos
:
An Assessment of Deep Learning Versus Massively Parallel, Non-Linear Methods for Highly-Efficient MIMO Detection. IEEE Access 11: 97493-97502 (2023) - [c32]Juan Carlos De Luna Ducoing
, Konstantinos Nikitopoulos:
Scalable MU-MIMO User Scheduling for Next-Generation Wireless Networks. CAMAD 2023: 19-24 - [c31]Mahmoud Mojarrad Kiasaraei
, Rahim Tafazolli, Konstantinos Nikitopoulos:
A DigiLogue Receiver Design for Tbps Wireless Transmissions over Flat-Fading Channels. CAMAD 2023: 309-314 - [c30]Chathura Jayawardena, Konstantinos Nikitopoulos:
Joint Frequency Offset Compensation and Detection for Multi-User MIMO-OFDM Systems with Frequency Asynchronous User Access. ICC 2023: 529-534 - [c29]Konstantinos Nikitopoulos
, Marcin Filo
, George N. Katsaros
, Chathura Jayawardena
, Rahim Tafazolli
:
MU-MIMO, Open-RAN PHY with Linear and Massively Parallelizable Non-Linear Processing. MobiCom 2023: 102:1-102:3 - 2022
- [j28]Konstantinos Nikitopoulos:
Massively Parallel, Nonlinear Processing for 6G: Potential Gains and Further Research Challenges. IEEE Commun. Mag. 60(1): 81-87 (2022) - [c28]George N. Katsaros, Rahim Tafazolli, Konstantinos Nikitopoulos:
On the Power Consumption of Massive-MIMO, 5G New Radio with Software-Based PHY Processing. GLOBECOM (Workshops) 2022: 765-770 - [c27]Yong Xia, Chathura Jayawardena, Konstantinos Nikitopoulos:
Reduced Complexity Matrix Inversions in Slow Time-Varying MIMO Channels. ICC 2022: 456-461 - [c26]Juan Carlos De Luna Ducoing
, Konstantinos Nikitopoulos:
Quantum Annealing for Next-Generation MU-MIMO Detection: Evaluation and Challenges. ICC 2022: 637-642 - 2021
- [j27]Konstantinos Nikitopoulos
, Marcin Filo
, Chathura Jayawardena
, Juan Carlos De Luna Ducoing
, Rahim Tafazolli
:
Non-Linear Base-Station Processing Within a 3GPP Compliant Framework. IEEE Access 9: 72066-72077 (2021) - [j26]Elissaios-Alexios Papatheofanous
, Dionysios I. Reisis
, Konstantinos Nikitopoulos
:
LDPC Hardware Acceleration in 5G Open Radio Access Network Platforms. IEEE Access 9: 152960-152971 (2021) - [j25]Christopher Husmann
, Chathura Jayawardena
, Amine Maaref, Pei Xiao
, Konstantinos Nikitopoulos
:
Low-Complexity SCMA Detection for Unsupervised User Access. IEEE Commun. Lett. 25(3): 1019-1023 (2021) - [j24]Juan Carlos De Luna Ducoing
, Yiping Qin, Yun Xue, Konstantinos Nikitopoulos
:
Gyre Precoding for MU-MIMO Systems. IEEE Commun. Lett. 25(8): 2723-2727 (2021) - [j23]Sohail Payami
, Konstantinos Nikitopoulos
, Mohsen Khalily
, Rahim Tafazolli
:
A Signal Processing Framework for Agile RF Beamforming: From RF-Chain-Free to Hybrid Beamformers. IEEE Trans. Commun. 69(6): 4038-4053 (2021) - [j22]Farhad Mehran
, Konstantinos Nikitopoulos
, Hamid Jafarkhani
:
Generalized Space-Time Super-Modulation and Its Application to Grant-Free Medium Access. IEEE Trans. Commun. 69(9): 5758-5772 (2021) - [c25]Konstantinos Nikitopoulos, Mahmoud Mojarrad Kiasaraei
:
DigiLogue: Ultra-Fast and Ultra-Power-Efficient Signal Processing for Tbps Wireless Systems. GLOBECOM (Workshops) 2021: 1-6 - [c24]Juan Carlos De Luna Ducoing
, Chathura Jayawardena, Marcin Filo, Konstantinos Nikitopoulos:
Towards 6G MIMO Systems, with Massively-Parallel Non-Linear Processing. MeditCom 2021: 300-305 - [c23]Elissaios-Alexios Papatheofanous, Dionysios I. Reisis, Konstantinos Nikitopoulos:
The LDPC Challenge in Software-Based 5G New Radio Physical Layer Processing. MeditCom 2021: 312-317 - [c22]Marcin Filo, Yong Xia, Konstantinos Nikitopoulos:
SACCESS: Towards A Software Acceleration Framework for 5G Radio Access Networks. MeditCom 2021: 318-323 - 2020
- [j21]Juquan Mao
, Lei Zhang
, Pei Xiao
, Konstantinos Nikitopoulos
:
Filtered OFDM: An Insight Into Intrinsic In-Band Interference and Filter Frequency Response Selectivity. IEEE Access 8: 100670-100683 (2020) - [j20]Sohail Payami
, Mohsen Khalily
, Ali Araghi
, Tian Hong Loh
, David Cheadle
, Konstantinos Nikitopoulos
, Rahim Tafazolli
:
Developing the First mmWave Fully-Connected Hybrid Beamformer With a Large Antenna Array. IEEE Access 8: 141282-141291 (2020) - [j19]Chathura Jayawardena
, Konstantinos Nikitopoulos
:
G-MultiSphere: Generalizing Massively Parallel Detection for Non-Orthogonal Signal Transmissions. IEEE Trans. Commun. 68(2): 1227-1239 (2020) - [j18]Juquan Mao
, Lei Zhang
, Pei Xiao
, Konstantinos Nikitopoulos
:
Interference Analysis and Power Allocation in the Presence of Mixed Numerologies. IEEE Trans. Wirel. Commun. 19(8): 5188-5203 (2020) - [j17]Sohail Payami
, Mohsen Khalily
, Tian Hong Loh
, Konstantinos Nikitopoulos
:
Hybrid Beamforming With Switches and Phase Shifters Over Frequency-Selective Channels. IEEE Wirel. Commun. Lett. 9(8): 1305-1308 (2020) - [c21]Georgios Georgis, Alexios Thanos, Marcin Filo, Konstantinos Nikitopoulos:
A DSP Acceleration Framework For Software-Defined Radios On X86 64. ICASSP 2020: 1648-1652 - [c20]Marcin Filo, Juan Carlos De Luna Ducoing
, Chathura Jayawardena, Christopher Husmann, Rahim Tafazolli, Konstantinos Nikitopoulos:
Evaluating Non-Linear Beamforming in a 3GPP-Compliant Framework Using the SWORD Platform. PIMRC 2020: 1-6 - [i5]Konstantinos Nikitopoulos, Marcin Filo, Chathura Jayawardena, Rahim Tafazolli:
Towards Radio Designs with Non-Linear Processing for Next Generation Mobile Systems. CoRR abs/2012.13371 (2020)
2010 – 2019
- 2019
- [j16]Sohail Payami
, Mathini Sellathurai
, Konstantinos Nikitopoulos:
Low-Complexity Hybrid Beamforming for Massive MIMO Systems in Frequency-Selective Channels. IEEE Access 7: 36195-36206 (2019) - [j15]Georgios Georgis
, Marcin Filo
, Alexios Thanos
, Christopher Husmann
, Juan Carlos De Luna Ducoing
, Rahim Tafazolli
, Konstantinos Nikitopoulos
:
SWORD: Towards a Soft and Open Radio Design for Rapid Development, Profiling, Validation and Testing. IEEE Access 7: 186017-186040 (2019) - [j14]Konstantinos Nikitopoulos
, Georgios Georgis
, Chathura Jayawardena
, Daniil Chatzipanagiotis, Rahim Tafazolli:
Massively Parallel Tree Search for High-Dimensional Sphere Decoders. IEEE Trans. Parallel Distributed Syst. 30(10): 2309-2325 (2019) - [j13]Chang He
, Aijun Cao
, Lixia Xiao
, Lei Zhang
, Pei Xiao
, Konstantinos Nikitopoulos
:
Enhanced DCT-OFDM System With Index Modulation. IEEE Trans. Veh. Technol. 68(5): 5134-5138 (2019) - [c19]Chang He, Aijun Cao
, Lixia Xiao, Lei Zhang
, Pei Xiao, Konstantinos Nikitopoulos:
Index Modulation Assisted DCT-OFDM with Enhanced Transceiver Design. ICC 2019: 1-7 - 2018
- [j12]Christopher Husmann
, Panagiotis Chatzi Nikolaou
, Konstantinos Nikitopoulos:
Reduced Latency ML Polar Decoding via Multiple Sphere-Decoding Tree Searches. IEEE Trans. Veh. Technol. 67(2): 1835-1839 (2018) - [c18]Christopher Husmann, Konstantinos Nikitopoulos:
ViPer MIMO: Increasing Large MIMO Efficiency via Practical Vector-Perturbation. GLOBECOM 2018: 1-6 - [c17]Christopher Husmann, Rahim Tafazolli, Konstantinos Nikitopoulos:
Antipodal Detection and Decoding for Large Multi-User MIMO with Reduced Base-Station Antennas. GLOBECOM Workshops 2018: 1-6 - [c16]Chathura Jayawardena, Konstantinos Nikitopoulos:
Massively Parallel Detection for Non-Orthogonal Signal Transmissions. GLOBECOM Workshops 2018: 1-6 - [c15]Farhad Mehran, Konstantinos Nikitopoulos:
Generalized Space-Time Super-Modulation for Headerless Grant-Free Rateless Multiple Access. GLOBECOM 2018: 1-6 - 2017
- [j11]Georgios Georgis
, Konstantinos Nikitopoulos, Kyle Jamieson
:
Geosphere: An Exact Depth-First Sphere Decoder Architecture Scalable to Very Dense Constellations. IEEE Access 5: 4233-4249 (2017) - [j10]Konstantinos Nikitopoulos
, Farhad Mehran
, Hamid Jafarkhani
:
Space-Time Super-Modulation: Concept, Design Rules, and Its Application to Joint Medium Access and Rateless Transmission. IEEE Trans. Wirel. Commun. 16(12): 8275-8288 (2017) - [c14]Christopher Husmann, Georgios Georgis, Konstantinos Nikitopoulos, Kyle Jamieson:
FlexCore: Massively Parallel and Flexible Processing for Large MIMO Access Points. NSDI 2017: 197-211 - [c13]Chang He, Pei Xiao, Lei Zhang
, Juquan Mao, Aijun Cao
, Konstantinos Nikitopoulos:
Efficient DCT-MCM detection for single and multi-antenna wireless systems. PIMRC 2017: 1-6 - [c12]Juquan Mao, Chin-Liang Wang, Lei Zhang
, Chang He, Pei Xiao, Konstantinos Nikitopoulos:
A DHT-based multicarrier modulation system with pairwise ML detection. PIMRC 2017: 1-6 - 2016
- [c11]Konstantinos Nikitopoulos, Daniil Chatzipanagiotis, Chathura Jayawardena, Rahim Tafazolli:
MultiSphere: Massively Parallel Tree Search for Large Sphere Decoders. GLOBECOM 2016: 1-6 - [c10]Konstantinos Nikitopoulos, Farhad Mehran, Hamid Jafarkhani
:
Space-Time Super-Modulation and Its Application to Joint Medium Access and Rateless Transmission. GLOBECOM 2016: 1-6 - 2015
- [j9]Konstantinos Nikitopoulos, Athanasios Karachalios, Dionysios I. Reisis:
Exact Max-Log MAP Soft-Output Sphere Decoding via Approximate Schnorr-Euchner Enumeration. IEEE Trans. Veh. Technol. 64(6): 2749-2753 (2015) - [c9]Farhad Mehran, Konstantinos Nikitopoulos, Pei Xiao, Qingchun Chen:
Rateless wireless systems: Gains, approaches, and challenges. ChinaSIP 2015: 751-755 - 2014
- [c8]Konstantinos Nikitopoulos, Juan Zhou, Ben J. Congdon, Kyle Jamieson
:
Geosphere: consistently turning MIMO capacity into throughput. SIGCOMM 2014: 631-642 - 2012
- [j8]Konstantinos Nikitopoulos, Gerd Ascheid:
Approximate MIMO Iterative Processing With Adjustable Complexity Requirements. IEEE Trans. Veh. Technol. 61(2): 639-650 (2012) - [c7]Konstantinos Nikitopoulos, Sanaz Barghi, Hamid Jafarkhani
, Homayoun Yousefi'zadeh:
Multi-user detection for asynchronous space-frequency block coded schemes in frequency selective environments. GLOBECOM 2012: 4308-4313 - [c6]Konstantinos Nikitopoulos, Gerd Ascheid:
A simple complexity adjustment technique for soft MIMO receivers in broadcasting scenarios. ISWCS 2012: 166-170 - 2011
- [j7]Konstantinos Nikitopoulos, Gerd Ascheid:
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping. IEEE Commun. Lett. 15(8): 810-812 (2011) - [i4]Konstantinos Nikitopoulos, Gerd Ascheid:
Approximate MIMO Iterative Processing with Adjustable Complexity Requirements. CoRR abs/1104.2581 (2011) - 2010
- [j6]Konstantinos Nikitopoulos, Dan Zhang, I-Wei Lai, Gerd Ascheid:
Complexity-efficient enumeration techniques for soft-input, soft-output sphere decoding. IEEE Commun. Lett. 14(4): 312-314 (2010) - [c5]Dan Zhang, Konstantinos Nikitopoulos, I-Wei Lai, Gerd Ascheid, Heinrich Meyr:
Iterative channel estimation control for MIMO-OFDM Systems. CISS 2010: 1-6 - [c4]Dan Zhang, I-Wei Lai, Konstantinos Nikitopoulos, Gerd Ascheid:
Informed message update for iterative MIMO demapping and turbo decoding. ISITA 2010: 873-878 - [i3]Konstantinos Nikitopoulos, Gerd Ascheid:
MIMO APP Receiver Processing with Performance-Determined Complexity. CoRR abs/1010.4160 (2010) - [i2]Konstantinos Nikitopoulos, Gerd Ascheid:
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping. CoRR abs/1011.2113 (2010)
2000 – 2009
- 2009
- [j5]Konstantinos Nikitopoulos, Stelios Stefanatos, Aggelos K. Katsaggelos
:
Decision-aided compensation of severe phase-impairment-induced inter-carrier interference in frequency-selective OFDM. IEEE Trans. Wirel. Commun. 8(4): 1614-1619 (2009) - [c3]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:
Searching in the Delta Lattice: An Efficient MIMO Detection for Iterative Receivers. GLOBECOM 2009: 1-6 - [c2]Chun-Hao Liao, I-Wei Lai, Konstantinos Nikitopoulos, Filippo Borlenghi, David Kammler, Ernst Martin Witte, Dan Zhang, Tzi-Dar Chiueh, Gerd Ascheid, Heinrich Meyr:
Combining orthogonalized partial metrics: Efficient enumeration for soft-input sphere decoder. PIMRC 2009: 1287-1291 - [i1]Konstantinos Nikitopoulos, Ernst Martin Witte, Dan Zhang, David Kammler, I-Wei Lai, Chun-Hao Liao, Filippo Borlenghi, Gerd Ascheid:
Complexity-Efficient Enumeration Techniques for Soft-Input, Soft-Output Sphere Decoding. CoRR abs/0906.3194 (2009) - 2007
- [j4]Konstantinos Nikitopoulos, Andreas Polydoros:
Inter-Frame, Fine Frequency/Phase Synchronization forSimple Space-Time-Coded OFDM Receivers. IEEE Trans. Wirel. Commun. 6(10): 3510-3514 (2007) - 2005
- [j3]Ioannis Dagres, Andreas Zalonis, Nikos Dimitriou
, Konstantinos Nikitopoulos, Andreas Polydoros:
Flexible Radio: A Framework for Optimized Multimodal Operation via Dynamic Signal Design. EURASIP J. Wirel. Commun. Netw. 2005(3): 284-297 (2005) - [j2]Konstantinos Nikitopoulos, Andreas Polydoros:
Phase-impairment effects and compensation algorithms for OFDM systems. IEEE Trans. Commun. 53(4): 698-707 (2005) - 2004
- [j1]Konstantinos Nikitopoulos, Andreas Polydoros:
Decision-directed compensation of phase noise and residual frequency offset in a space-Time OFDM receiver. IEEE Commun. Lett. 8(9): 573-575 (2004) - 2001
- [c1]Konstantinos Nikitopoulos, Andreas Polydoros:
Compensation schemes for phase noise and residual frequency offset in OFDM systems. GLOBECOM 2001: 330-333
Coauthor Index
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last updated on 2024-08-05 20:19 CEST by the dblp team
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