George Kalfas

54 papers B 5C 1Journal 12Unranked 36
YearRankTypeTitle / Venue / Authors
2025 — conf
Field Trial of $3\mathrm{x}1$ Distributed Fiber Wireless mmWave Xhaul with Coordinated Multi-Point Scheduling and Real-Time MEC.
ECOC
Argyris Kokkinis, M. Vargemidou, Christos Vagionas, Argiris Ntanos, Aristeidis Stathis, P. Kourelias, Giannis Giannoulis, Marios Gatzianas, Pietro Piscione, Ahmed K. Abdulwahed, George Kalfas, Agapi Mesodiakaki, Stefanos Dris, Hercules Avramopoulos, Kostas Siozios, Nikos Pleros, Amalia N. Miliou
2025 — conf
Field Trial of a Record-High Data Rate SDN-Controlled Fiwi FSO/Mmwave X-Haul With Zero-Touch Handover for 6G.
ECOC
M. Vargemidou, Christos Vagionas, Argyris Kokkinis, Argiris Ntanos, Aristeidis Stathis, P. Kourelias, Giannis Giannoulis, Pietro Piscione, Ahmed K. Abdulwahed, Marios Gatzianas, Stefanos Dris, George Kalfas, Agapi Mesodiakaki, Hercules Avramopoulos, Kostas Siozios, Nikos Pleros, Amalia N. Miliou
2025 J jnl
Integrating nApps in 5G for Verticals: Architecture Innovation and Technology Enablers.
IEEE Commun. Mag.
Xi Li, Agapi Mesodiakaki, Marios Gatzianas, George Kalfas, Anastasios-Stavros Charismiadis, Dimitris Tsolkas, Lanfranco Zanzi, Apostolis K. Salkintzis, Dan Warren, Andreas Gavrielides, Marios Sophocleous, Marco Gramaglia, Anastasius Gavras, Tezcan Cogalan, Haeyoung Lee, Ömer Bulakci
2025 J jnl
Toward Determinism in 5G Transport: Adaptive Scheduling Strategies for Time-Aware Shaper Under Mobility.
IEEE Access
Athanasios Papadakis, Dimitrios Palianopoulos, George Kalfas, Marios Gatzianas, Sophia G. Petridou
2024 C conf
Building the Enhanced Control Plane of Next Generation Central Offices.
HPSR
Pietro Piscione, Ahmed K. Abdulwahed, Pietro G. Giardina, Giada Landi, George Kalfas, Chris Vagionas, Marios Gatzianas, Voica Gavrilut, Christopher Alsted, Eleni Theodoropoulou, George L. Lyberopoulos, Fabienne Saliou
2024 — conf
SMART: A Holistic Simulation Framework for End-to-End V2X Communication.
WMNC
Athanasios Papadakis, Dimitrios Palianopoulos, George Kalfas, Marios Gatzianas, Sophia G. Petridou
2023 — conf
An Enhanced Medium-Transparent MAC Protocol for Multi-Service FiWi 5G Transport Networks.
ICC
George Kalfas, Dimitrios Palianopoulos, Marios Gatzianas, Agapi Mesodiakaki, Christos Vagionas, Ronis T. Maximidis, Amalia N. Miliou, Nikos Pleros
2023 B conf
An Optimized Medium-Transparent MAC Protocol for Multi-Service FiWi 5G Transport Networks.
GLOBECOM
George Kalfas, Marios Gatzianas, Dimitrios Palianopoulos, Agapi Mesodiakaki, Christos Vagionas, Ronis T. Maximidis, Amalia N. Miliou, Nikos Pleros
2023 — conf
Multi-RAT Fiber-Wireless Technologies towards 6G Networks.
ICTON
Chris Vagionas, Ronis T. Maximidis, Konstantina Kanta, Panagiotis Toumasis, Giannis Giannoulis, Dimitris Apostolopoulos, George Kalfas, Marios Gatzianas, Agapi Mesodiakaki, Hercules Avramopoulos, Amalia N. Miliou, Nikos Pleros
2022 — conf
End-to-End Real-Time Service Provisioning over a SDN-controllable 60 GHz analog FiWi X-haul for 5G Hot-Spot Networks.
OFC
Christos Vagionas, Ronis T. Maximidis, Ioannis Stratakos, Aristotelis Margaris, Agapi Mesodiakaki, Marios Gatzianas, Konstantina Kanta, Panagiotis Toumasis, Giannis Giannoulis, Dimitrios Apostolopoulos, Elissaios-Alexios Papatheofanous, George Lentaris, Dionysios I. Reisis, Dimitrios Soudris, Kostas Tsagkaris, Nikolaos Argyris, Dimitris Syrivelis, Paraskevas Bakopoulos, R. M. Oldenbeuving, C. G. H. Roeloffzen, P. W. L. van Dijk, I. Dimogiannis, A. Kontogiannis, Hercules Avramopoulos, Amalia N. Miliou, Nikos Pleros, George Kalfas
2022 J jnl
Live demonstration of an SDN-reconfigurable, FPGA-based TxRx for an analog-IFoF/mmWave radio access network in an MNO's infrastructure.
JOCN
Konstantina Kanta, Panagiotis Toumasis, Giannis Giannoulis, Ioannis Stratakos, George Lentaris, Elissaios-Alexios Papatheofanous, Ioanna Mesogiti, Eleni Theodoropoulou, Aristotelis Margaris, Dimitris Syrivelis, Evrydiki Kyriazi, Giorgos Brestas, Kostas Tokas, Nikolaos Argyris, Christos Vagionas, Ronis T. Maximidis, Paraskevas Bakopoulos, Agapi Mesodiakaki, Marios Gatzianas, George Kalfas, Kostas Tsagkaris, Nikos Pleros, Dionysios I. Reisis, George L. Lyberopoulos, Dimitrios Apostolopoulos, Dimitrios Soudris, Hercules Avramopoulos
2022 — conf
ONE: Online Energy-efficient User Association, VNF Placement and Traffic Routing in 6G HetNets.
GLOBECOM (Workshops)
Agapi Mesodiakaki, Marios Gatzianas, George Kalfas, Christos Vagionas, Ronis T. Maximidis, Nikolaos Pleros
2022 J jnl
Traffic-Aware Coordinated Beamforming for mmWave Backhauling of 5G Dense Networks.
IEEE Trans. Wirel. Commun.
Marios Gatzianas, George Kalfas, Agapi Mesodiakaki, Christos Vagionas, Nikos Pleros
2022 — conf
Wavelength Reconfigurable Point-to-Multipoint Fiber-Wireless Fronthaul with 10 Gb/s traffic for Network Sharing Applications.
CSNDSP
Christos Vagionas, Ronis T. Maximidis, George Kalfas, Marios Gatzianas, Agapi Mesodiakaki, Amalia N. Miliou, Nikos Pleros
2021 — conf
4×10 Gb/s WDM Fiber Wireless multi-IFoF Reconfigurable Fronthaul using a low-loss Si3N4 ROADM for mmWave 5G.
OFC
Eugenio Ruggeri, Dimosthenis Spasopoulos, Christos Vagionas, George Kalfas, Ruud M. Oldenbeuving, Paul W. L. van Dijk, Chris G. H. Roeloffzen, Nikos Pleros, Amalia N. Miliou
2021 — conf
5G-COMPLETE: End-to-end Resource Allocation in Highly Heterogeneous Beyond 5G Networks.
5GWF
Agapi Mesodiakaki, Marios Gatzianas, George Kalfas, Francesca Moscatelli, Giada Landi, Nicola Ciulli, Leonardo Lossi
2021 — conf
5G-COMPLETE: Service-Driven Slice Management over Heterogeneous 5G Infrastructures.
CAMAD
Francesca Moscatelli, Giada Landi, Agapi Mesodiakaki, Marios Gatzianas, George Kalfas, Anna Tzanakaki, Markos P. Anastasopoulos, Giannis Giannoulis, Konstantinos Tokas, Dimitris Apostolopoulos, Hercules Avramopoulos, Dimitra Simeonidou, Reza Nejabati
2021 — conf
A Centralized and Reconfigurable 4x2.5Gb/s Fiber-Wireless mmWave ronthaul for Network Sharing Applications.
ECOC
Ronis T. Maximidis, Christos Vagionas, Eugenio Ruggeri, George Kalfas, Yigal Leiba, Amalia N. Miliou, Nikos Pleros
2021 J jnl
A Gated Service MAC Protocol for Sub-Ms Latency 5G Fiber-Wireless mmWave C-RANs.
IEEE Trans. Wirel. Commun.
Agapi Mesodiakaki, Pavlos Maniotis, Marios Gatzianas, Christos Vagionas, Nikos Pleros, George Kalfas
2021 J jnl
Reconfigurable Fiber Wireless IFoF Fronthaul With 60 GHz Phased Array Antenna and Silicon Photonic ROADM for 5G mmWave C-RANs.
IEEE J. Sel. Areas Commun.
Apostolos Tsakyridis, Eugenio Ruggeri, George Kalfas, Ruud M. Oldenbeuving, Paul W. L. van Dijk, Chris G. H. Roeloffzen, Yigal Leiba, Amalia N. Miliou, Nikos Pleros, Christos Vagionas
2021 — conf
Top Challenges in 5G Densification.
AIAI (Workshops)
Eleni Theodoropoulou, Ioanna Mesogiti, Fotini Setaki, Konstantinos Filis, George L. Lyberopoulos, Agapi Mesodiakaki, Marios Gatzianas, Christos Vagionas, George Kalfas, Mauro Agus, Annachiara Pagano
2021 J jnl
Transition technologies towards 6G networks.
EURASIP J. Wirel. Commun. Netw.
Thiago R. Raddo, Simon Rommel, Bruno Cimoli, Chris Vagionas, Diego Pérez-Galacho, Evangelos Pikasis, Evangelos Grivas, Konstantinos Ntontin, Michail Katsikis, Dimitrios Kritharidis, Eugenio Ruggeri, Izabela Spaleniak, Mykhaylo Dubov, Dimitrios Klonidis, George Kalfas, Salvador Sales, Nikos Pleros, Idelfonso Tafur Monroy
2020 — conf
A Flexible and Reconfigurable Si3N4 ROADM-enabled 5G mmWave IFoF Fiber Wireless Fronthaul with 60 GHz beamsteering capabilities.
ECOC
Apostolos Tsakyridis, Eugenio Ruggeri, George Kalfas, R. M. Oldenbeuving, P. W. L. van Dijk, Chris Roeloffzen, Yigal Leiba, Amalia N. Miliou, Nikos Pleros, Christos Vagionas
2020 — conf
A Framework to Support the 5G Densification.
AIAI (Workshops)
Eleni Theodoropoulou, Ioanna Mesogiti, George L. Lyberopoulos, George Kalfas, Christos Vagionas, Nikos Pleros, Annachiara Pagano, Mauro Agus, Luiz Anet Neto, Nikos Psaromanolakis, Athina Ropodi
2020 J jnl
Analog fiber-wireless downlink transmission of IFoF/mmWave over in-field deployed legacy PON infrastructure for 5G fronthauling.
JOCN
Konstantina Kanta, Annachiara Pagano, Eugenio Ruggeri, Mauro Agus, Ioannis Stratakos, Roberto Mercinelli, Christos Vagionas, Panagiotis Toumasis, George Kalfas, Giannis Giannoulis, Amalia N. Miliou, George Lentaris, Dimitrios Apostolopoulos, Nikos Pleros, Dimitrios Soudris, Hercules Avramopoulos
2020 — conf
Flexible 360° 5G mmWave small Cell Coverage through WDM 4×1 Gb/s Fiber Wireless Fronthaul and a Si3N4 OADM-Assisted Massive MIMO Phased Array Antenna.
OFC
Eugenio Ruggeri, Apostolos Tsakyridis, Christos Vagionas, George Kalfas, Ruud M. Oldenbeuving, Paulus W. L. van Dijk, Chris G. H. Roeloffzen, Yigal Leiba, Nikos Pleros, Amalia N. Miliou
2020 J jnl
Linearity Measurements on a 5G mmWave Fiber Wireless IFoF Fronthaul Link With Analog RF Beamforming and 120° Degrees Steering.
IEEE Commun. Lett.
Christos Vagionas, Eugenio Ruggeri, Apostolos Tsakyridis, George Kalfas, Yigal Leiba, Amalia N. Miliou, Nikos Pleros
2019 — conf
A 5G C-RAN Architecture for Hot-Spots: OFDM based Analog IFoF PHY and MAC Layer Design.
EuCNC
Charoula Mitsolidou, Christos Vagionas, Agapi Mesodiakaki, Pavlos Maniotis, George Kalfas, Amalia N. Miliou, Nikos Pleros, Chris G. H. Roeloffzen, Paulus W. L. van Dijk, R. M. Oldenbeuving
2019 — conf
A Fiber Wireless A-RoF/IFoF Uplink Transmission of up to 0.6 Gb/s User Data Rate Over a 32-Element 60 GHz Beam-Steering Antenna for 5G Fronthaul Networks.
IMCL
Eugenio Ruggeri, Apostolos Tsakyridis, Christos Vagionas, George Kalfas, Amalia N. Miliou, Nikos Pleros, Yigal Leiba
2019 — conf
Analog IFoF/mmWave 5G Optical Fronthaul Architecture for Hot-Spots Using Multi-channel OFDM-Based WDM Signals.
ONDM
Charoula Mitsolidou, Christos Vagionas, Agapi Mesodiakaki, Pavlos Maniotis, George Kalfas, Chris G. H. Roeloffzen, Paulus W. L. van Dijk, Ruud M. Oldenbeuving, Amalia N. Miliou, Nikos Pleros
2019 — conf
Analog Radio-over-Fiber 5G Fronthaul Systems: blueSPACE and 5G-PHOS Projects Convergence.
EuCNC
Thiago R. Raddo, Simon Rommel, Idelfonso Tafur Monroy, Christos Vagionas, George Kalfas, Nikos Pleros
2019 B conf
Converged Analog Fiber-Wireless Point-to-Multipoint Architecture for eCPRI 5G Fronthaul Networks.
GLOBECOM
George Kalfas, Nikos Pleros, Mauro Agus, Annachiara Pagano, L. Anet Neto, Agapi Mesodiakaki, Christos Vagionas, John S. Vardakas, Eftychia G. Datsika, Christos V. Verikoukis
2019 — conf
Delay Analysis of a Gated Service MAC Protocol for Fiber-Wireless 5G MmWave C-RANs.
ICC
Agapi Mesodiakaki, Pavlos Maniotis, Christos Vagionas, John S. Vardakas, Elli Kartsakli, Angelos Antonopoulos, Christos V. Verikoukis, Nikos Pleros, George Kalfas
2019 — conf
Downlink Coordinated Beamforming Policies for 5G Millimeter Wave Dense Networks.
EuCNC
Marios Gatzianas, George Kalfas, Christos Vagionas, Agapi Mesodiakaki
2019 J jnl
Next Generation Fiber-Wireless Fronthaul for 5G mmWave Networks.
IEEE Commun. Mag.
George Kalfas, Christos Vagionas, Angelos Antonopoulos, Elli Kartsakli, Agapi Mesodiakaki, Sotirios Papaioannou, Pavlos Maniotis, John S. Vardakas, Christos V. Verikoukis, Nikos Pleros
2018 — conf
5G mm Wave Networks Leveraging Enhanced Fiber-Wireless Convergence for High-Density Environments: The 5G-PHOS Approach.
BMSB
Sotirios Papaioannou, George Kalfas, Christos Vagionas, Pavlos Maniotis, Amalia N. Miliou, Nikos Pleros, L. Anet Neto, Paraskevas Chanclor, M. Raj-Ali, Paraskevas Bakopoulos, Christophe Caillaud, Helene Debregeas, M. B. Sirbu, Y. Eichhammer, Eleni Theodoropoulou, George L. Lyberopoulos, Elli Kartsakli, John S. Vardakas, Guy Torfs, Xin Yin, Kostas Tsagkaris, Panagiotis Demestichas, Giannis Giannoulis, Hercules Avramopoulos, George Lentaris, Emmanouel A. Varvarigos, Idelfonso Tafur Monroy, E. Dayan, Yigal Leiba, I. Dimogiannis, A. Kontogiannis, Roberto Magri, Antonio Tartaglia, C. G. H. Roeloffzen, R. M. Oldenbeuving
2018 — conf
A 6-Band 12Gb/s IFoF/V-Band Fiber-Wireless Fronthaul Link Using an InP Externally Modulated Laser.
ECOC
C. Vaotonas, Sotirios Papaioannou, Nikolaos Argyris, Konstantina Kanta, Nikos Iliadis, Giannis Giannoulis, Dimitrios Apostolopoulos, Hercules Avramopoulos, Christophe Caillaud, Helene Debregeas, George Kalfas, Nikos Pleros
2018 — conf
DSP enabled Fiber-Wireless IFoF/mmWave link for 5G Analog Mobile Fronthaul.
5G World Forum
Nikos Argyris, Konstantina Kanta, Nikos Iliadis, Giannis Giannoulis, Dimitrios Apostolopoulos, Hercules Avramopoulos, Sotirios Papaioannou, Christos Vagionas, George Kalfas, Nikos Pleros
2018 — conf
Fiber-Wireless Fronthaul/Backhaul Network Architectures for 5G.
CAMAD
Ioanna Mesogiti, Eleni Theodoropoulou, Konstantinos Filis, George L. Lyberopoulos, Athina Ropodi, Kostas Tsagkaris, Panagiotis Demestichas, Nikos Pleros, George Kalfas, Christos Vagionas
2018 — conf
Medium-transparent Dynamic Bandwidth Allocation for 5G Fiber Wireless Dense Fronthaul Networks.
CAMAD
Agapi Mesodiakaki, Pavlos Maniotis, Christos Vagionas, Marios Gatzianas, Eftychia G. Datsika, Elli Kartsakli, John S. Vardakas, George Kalfas
2018 B conf
QoS-Aware Resource Management for Converged Fiber Wireless 5G Fronthaul Networks.
GLOBECOM
Eftychia G. Datsika, Elli Kartsakli, John S. Vardakas, Angelos Antonopoulos, George Kalfas, Pavlos Maniotis, Christos Vagionas, Nikos Pleros, Christos V. Verikoukis
2017 — conf
5G Small-Cell Networks Exploiting Optical Technologies with mmWave Massive MIMO and MT-MAC Protocols.
IMCL
Sotirios Papaioannou, George Kalfas, Christos Vagionas, Charoula Mitsolidou, Pavlos Maniotis, Amalia N. Miliou, Nikos Pleros
2017 — conf
Medium Transparent MAC access schemes for seamless packetized fronthaul in mm-wave 5G picocellular networks.
ICTON
George Kalfas, John S. Vardakas, Luis Alonso, Christos V. Verikoukis, Nikos Pleros
2017 — conf
On converged Medium-Transparent MAC protocols for mm-wave fiber-wireless networks.
CAMAD
George Kalfas, Pavlos Maniotis, Maria Oikonomakou, Elli Kartsakli, John S. Vardakas, Nikos Pleros, Christos V. Verikoukis
2017 — conf
Quality of Service Provisioning in High-Capacity 5G Fronthaul/Backhaul Networks.
IMCL
John S. Vardakas, Elli Kartsakli, Sotirios Papaioannou, George Kalfas, Nikos Pleros, Angelos Antonopoulos, Christos V. Verikoukis
2016 — conf
Converged optical-wireless access networks enabling fixed and 60 GHz connectivity in WDM-PONs.
ICTON
Dimitris Tsiokos, Charoula Mitsolidou, Christos Vagionas, George Kalfas, Amalia N. Miliou, Nikos Pleros
2016 B conf
Delay Analysis of Converged Medium Transparent Fixed Service Optical-Wireless Networks.
GLOBECOM
George Kalfas, John S. Vardakas, Nikos Pleros, Luis Alonso, Christos V. Verikoukis
2016 J jnl
Network Planning for 80211ad and MT-MAC 60 GHz Fiber-Wireless Gigabit Wireless Local Area Networks Over Passive Optical Networks.
JOCN
George Kalfas, Nikos Pleros, Luis Alonso, Christos V. Verikoukis
2014 — conf
A WDM RoF system for heterogeneous 5 GHz/60 GHz wireless applications in MTMAC-enabled networks.
CAMAD
Charoula Mitsolidou, George Kalfas, Dimitris Tsiokos, Nikos Pleros, Amalia N. Miliou
2014 J jnl
Client-Weighted Medium-Transparent MAC Protocol for User-Centric Fairness in 60 GHz Radio-Over-Fiber WLANs.
JOCN
George Kalfas, Pavlos Maniotis, Stella Markou, Dimitris Tsiokos, Nikos Pleros, Luis Alonso, Christos V. Verikoukis
2014 — conf
Heterogeneous 60 GHz / 5 GHz broadband optical wireless systems supporting dynamic bandwidth allocation.
ICTON
Amalia N. Miliou, Dimitris Tsiokos, Charoula Mitsolidou, George Kalfas, Nikos Pleros
2013 — conf
Very High Throughput 60GHz wireless enterprise networks over GPON infrastructure.
ICC Workshops
George Kalfas, Stella Markou, Dimitris Tsiokos, Christos V. Verikoukis, Nikos Pleros
2011 B conf
Performance Analysis of a Medium-Transparent MAC Protocol for 60GHz Radio-over-Fiber Networks.
GLOBECOM
George Kalfas, Nikos Pleros, Kostas Tsagkaris, Luis Alonso, Christos V. Verikoukis
2008 — conf
LE-WiMARK: An intelligent power-efficient ad hoc MAC protocol with busy tone and power control.
ISWPC
George Kalfas, Georgios I. Papadimitriou, Petros Nicopolitidis, Andreas S. Pomportsis