Nikos I. Passas

Publication Activity (10 Years)

Years Active: 1997-2024
Publications (10 Years): 43

Top Venues

ICC

Comput. Networks

CAMAD

ISCC

Publications

Subin Narayanan, Olof Liberg, Andreas Höglund, Dimitris Tsolkas, Luis Alonso, Nikos I. Passas, Lazaros F. Merakos
Relaying Solutions For 5G-IoT Applications: A 3GPP Perspective. IEEE Commun. Stand. Mag. 8 (2) (2024)
Dionysis Xenakis, Carlo Centofanti, Claudia Rinaldi, Andrea Marotta, Christos V. Verikoukis, Nikos I. Passas, Stefano Tennina, Dajana Cassioli
OPTIMIST: Optimised Video Content Delivery Chains over Joint Multi-Access Edge Computing and 5G Radio Network Infrastructures. DSD (2023)
Christos Milarokostas, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
A Comprehensive Study on LPWANs With a Focus on the Potential of LoRa/LoRaWAN Systems. IEEE Commun. Surv. Tutorials 25 (1) (2023)
Christos Milarokostas, Katerina Giannopoulou, Ioannis Fotis, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Poster: Link-level Performance Analysis of a LoRa System. ISCC (2023)
Tomasz Maniak, Rahat Iqbal, Zoran Vujicic, Charalampos Karyotis, Nikos I. Passas, Faiyaz Doctor
Deep Neural Networks for Transmission Impairment Mitigation in Long-Reach 5G Access Networks. ICSPIS (2022)
Dionysis Xenakis, Anastasia Tsiota, Nikos I. Passas
Admission control and end-to-end slicing for video streaming in MEC-empowered cellular networks. GLOBECOM (2022)
Anastasios-Stavros Charismiadis, Dimitris Tsolkas, Nikos I. Passas, Dionysis Xenakis, Lazaros F. Merakos
Metaheuristics as enablers for VNF scheduling in the network slice set up process. J. Commun. Networks 24 (6) (2022)
Subin Narayanan, Olof Liberg, Andreas Höglund, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Sidelink Optimizations for Layer-3-Based IoT Relaying in 5G NR. IEEE Internet Things Mag. 5 (2) (2022)
Tadege Mihretu Ayenew, Dionysis Xenakis, Luis Alonso, Nikos I. Passas, Lazaros F. Merakos
Demand-Aware Cooperative Content Caching in 5G/6G Networks With MEC-Enabled Edges. IEEE Netw. Lett. 4 (3) (2022)
Subin Narayanan, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
ADAM: An Adaptive Access Mechanism for NB-IoT Systems in the 5G Era. IEEE Access 9 (2021)
Dionysis Xenakis, Anastasia Tsiota, Christos-Thrasyvoulos Koulis, Christos Xenakis, Nikos I. Passas
Contract-Less Mobile Data Access Beyond 5G: Fully-Decentralized, High-Throughput and Anonymous Asset Trading Over the Blockchain. IEEE Access 9 (2021)
Tadege Mihretu Ayenew, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
Cooperative Content Caching in MEC-Enabled Heterogeneous Cellular Networks. IEEE Access 9 (2021)
Eirini Liotou, Konstantina Chatzieleftheriou, Gerasimos Christodoulou, Nikos I. Passas, Lazaros F. Merakos
Emulation of HTTP Adaptive Video Streaming over SDN. MeditCom (2021)
Eirini Liotou, Athanasia Alexiou, Nikos I. Passas, Lazaros F. Merakos
QoE-centric implementation of SDN platform for Open-Flow-based network path selection. MeditCom (2021)
Tadege Mihretu Ayenew, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
A Novel Content Placement Strategy for Heterogeneous Cellular Networks With Small Cells. IEEE Netw. Lett. 2 (1) (2020)
Eirini Liotou, Dimitris Tsolkas, Giorgos Kalpaktsoglou, Stefano Tennina, Luigi Pomante, Nikos I. Passas
The CASPER user-centric approach for advanced service provisioning in mobile networks. Microprocess. Microsystems 77 (2020)
Zoran Vujicic, Jonathan Rodriguez, Nikos I. Passas, Rahat Iqbal, Tomasz Maniak, Eftychia G. Datsika, John S. Vardakas, Charalampos Karyotis, Sherif Adeshina Busari, Christos V. Verikoukis
EXPLOR - A Novel Holistic Numerical Platform for Converged Optical-Wireless B5G Networks. CAMAD (2020)
Anastasios-Stavros Charismiadis, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
A metaheuristic approach for minimizing service creation time in slice-enabled networks. ICC (2020)
Dionysis Xenakis, Ioannis Zarifis, Pantelis Petrogiannakis, Anastasia Tsiota, Nikos I. Passas
Blockchain-driven mobile data access towards fully decentralized mobile video trading in 5G networks. ICC (2020)
Anastasia Tsiota, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
On Jamming and Black Hole Attacks in Heterogeneous Wireless Networks. IEEE Trans. Veh. Technol. 68 (11) (2019)
Anastasia Tsiota, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
Multi-Tier and Multi-Band Heterogeneous Wireless Networks with Black Hole Attacks. GLOBECOM (2019)
Subin Narayanan, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Performance Analysis of NB-IoT Random Access Channel. IMCL (2019)
Eirini Liotou, Dimitris Tsolkas, Stefano Tennina, Luigi Pomante, Giorgos Kalpaktsoglou, Nikos I. Passas
The CASPER Project Approach Towards User-Centric Mobile Networks. DSD (2019)
Eftychia G. Datsika, Angelos Antonopoulos, Nikos I. Passas, Georgios Kormentzas, Christos V. Verikoukis
Green Resource Management for Over-the-Top Services in 5G Networks Using Matching Theory. ICC (2018)
Subin Narayanan, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
NB-IoT: A Candidate Technology for Massive IoT in the 5G Era. CAMAD (2018)
Nikos I. Passas
Workshop on User-Centric Service Provisioning Over 5G Networks 2018 (USEPRO'18). WOWMOM (2018)
Tadege Mihretu Ayenew, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
Dynamic Programming Based Content Placement Strategy for 5G and Beyond Cellular Networks. CAMAD (2018)
Eirini Liotou, Konstantinos Samdanis, Emmanouil Pateromichelakis, Nikos I. Passas, Lazaros F. Merakos
QoE-SDN APP: A Rate-guided QoE-aware SDN-APP for HTTP Adaptive Video Streaming. IEEE J. Sel. Areas Commun. 36 (3) (2018)
Maria-Evgenia Xezonaki, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos
An SDN QoE Monitoring Framework for VoIP and Video Applications. WOWMOM (2018)
Menglan Jiang, Dionysis Xenakis, Salvatore Costanzo, Nikos I. Passas, Toktam Mahmoodi
Radio Resource Sharing as a service in 5G: A software-defined networking approach. Comput. Commun. 107 (2017)
Salvatore Costanzo, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
Augmented RAN with SDN Orchestration of Multi-tenant Base Stations. Wirel. Pers. Commun. 96 (2) (2017)
Stefano Tennina, I. Tunaru, Georgios Karopoulos, Dionysis Xenakis, Eirini Liotou, Nikos I. Passas
Secure energy management in Smart Energy Networks. CAMAD (2017)
Dimitris Tsolkas, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos
A survey on parametric QoE estimation for popular services. J. Netw. Comput. Appl. 77 (2017)
Prodromos-Vasileios Mekikis, Angelos Antonopoulos, Elli Kartsakli, Nikos I. Passas, Luis Alonso, Christos V. Verikoukis
Stochastic modeling of wireless charged wearables for reliable health monitoring in hospital environments. ICC (2017)
Eirini Liotou, Raimund Schatz, Andreas Sackl, Pedro Casas, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
The Beauty of Consistency in Radio-Scheduling Decisions. GLOBECOM Workshops (2016)
Dimitris Tsolkas, Nikos I. Passas
Compensating multiuser synchronization errors in 5G communications: The radio resource overhead. ISCC (2016)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos, Christos V. Verikoukis
Handover decision for small cells: Algorithms, lessons learned and simulation study. Comput. Networks 100 (2016)
Dionysis Xenakis, Marios Kountouris, Lazaros F. Merakos, Nikos I. Passas, Christos V. Verikoukis
Performance Analysis of Network-Assisted D2D Discovery in Random Spatial Networks. IEEE Trans. Wirel. Commun. 15 (8) (2016)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos, Christos V. Verikoukis
ANDSF-Assisted vertical handover decisions in the IEEE 802.11/LTE-Advanced network. Comput. Networks 106 (2016)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
ProVa: A proximity validation approach for enhanced device discovery. PIMRC (2016)
Eirini Liotou, Dimitris Tsolkas, Nikos I. Passas
A roadmap on QoE metrics and models. ICT (2016)
Eirini Liotou, Tobias Hoßfeld, Christian Moldovan, Florian Metzger, Dimitris Tsolkas, Nikos I. Passas
Enriching HTTP adaptive streaming with context awareness: A tunnel case study. ICC (2016)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Device discovery in LTE networks: A radio access perspective. Comput. Networks 106 (2016)
Dionysis Xenakis, Lazaros F. Merakos, Marios Kountouris, Nikos I. Passas, Christos V. Verikoukis
Distance Distributions and Proximity Estimation Given Knowledge of the Heterogeneous Network Layout. IEEE Trans. Wirel. Commun. 14 (10) (2015)
Dionysis Xenakis, Marios Kountouris, Lazaros F. Merakos, Nikos I. Passas, Christos V. Verikoukis
On the Performance of Network-Assisted Device-to-Device Discovery. GLOBECOM (2015)
Eirini Liotou, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Quality of experience management in mobile cellular networks: key issues and design challenges. IEEE Commun. Mag. 53 (7) (2015)
Saber Shokat Fadaee, Mehrdad Farajtabar, Ravi Sundaram, Javed A. Aslam, Nikos I. Passas
On The Network You Keep: Analyzing Persons of Interest using Cliqster. CoRR (2015)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos, Christos V. Verikoukis
Advanced mobility management for reduced interference and energy consumption in the two-tier LTE-Advanced network. Comput. Networks 76 (2015)
Saber Shokat Fadaee, Mehrdad Farajtabar, Ravi Sundaram, Javed A. Aslam, Nikos I. Passas
On the network you keep: analyzing persons of interest using Cliqster. Soc. Netw. Anal. Min. 5 (1) (2015)
Eirini Liotou, Hisham Elshaer, Raimund Schatz, Ralf Irmer, Mischa Dohler, Nikos I. Passas, Lazaros F. Merakos
Shaping QoE in the 5G ecosystem. QoMEX (2015)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Enabling device discovery transmissions in LTE networks with fractional frequency reuse. Comput. Networks 88 (2015)
Dimitris Tsolkas, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos
Addressing traffic demanding scenarios in cellular networks through QoE-based rate adaptation. PIMRC (2015)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos, Apostolis K. Salkintzis
A device discovery scheme for proximity services in LTE networks. ISCC (2014)
Salvatore Costanzo, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
OpeNB: A framework for virtualizing base stations in LTE networks. ICC (2014)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos, Christos V. Verikoukis
ARCHON: An ANDSF-assisted energy-efficient vertical handover decision algorithm for the heterogeneous IEEE 802.11/LTE-advanced network. ICC (2014)
Saber Shokat Fadaee, Mehrdad Farajtabar, Ravi Sundaram, Javed A. Aslam, Nikos I. Passas
The network you keep: Analyzing persons of interest using cliqster. ASONAM (2014)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
Multi-parameter performance analysis for decentralized cognitive radio networks. Wirel. Networks 20 (4) (2014)
Eirini Liotou, Emmanouil Papadomichelakis, Nikos I. Passas, Lazaros F. Merakos
Quality of experience-centric management in LTE-A mobile networks: The Device-to-Device communication paradigm. QoMEX (2014)
Eirini Liotou, Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Ant Colony Optimization for resource sharing among D2D communications. CAMAD (2014)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos, Christos V. Verikoukis
Mobility Management for Femtocells in LTE-Advanced: Key Aspects and Survey of Handover Decision Algorithms. IEEE Commun. Surv. Tutorials 16 (1) (2014)
Anastasia Lygizou, Nikos I. Passas, Spyros Xergias, Lazaros F. Merakos
Effective Prediction for Video Traffic in Joint WiMAX/Satellite Networks. Wirel. Pers. Commun. 74 (1) (2014)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Alleviating control channel interference in femto-overlaid LTE-advanced networks. IEEE Commun. Mag. 51 (10) (2013)
Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos, Christos V. Verikoukis
Energy-efficient and interference-aware handover decision for the LTE-Advanced femtocell network. ICC (2013)
Dimitris Tsolkas, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos
The Need for QoE-driven Interference Management in Femtocell-Overlaid Cellular Networks. MobiQuitous (2013)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Spatial Spectrum Reuse for Opportunistic Spectrum Access in Infrastructure-Based Systems. Wirel. Pers. Commun. 69 (4) (2013)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Increasing Spatial Spectrum Utilization Through Opportunistic User-to-User Communications. Int. J. Wirel. Inf. Networks 20 (1) (2013)
Dimitris Tsolkas, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos
Enabling D2D communications in LTE networks. PIMRC (2013)
Anastasia Lygizou, Spyros Xergias, Nikos I. Passas
Video traffic prediction for improved scheduling in joint WiMAX/satellite networks. IWCMC (2012)
Nikos I. Passas, Michael Fried, Elias S. Manolakos
PeerAssist: A P2P Platform Supporting Virtual Communities to Assist Independent Living of Senior Citizens. IWAAL (2012)
Dionysis Xenakis, Dimitris Tsolkas, Nikos I. Passas, Nancy Alonistioti, Lazaros F. Merakos
Dynamic resource allocation in adaptive wireless OFDMA systems. Wirel. Commun. Mob. Comput. 12 (11) (2012)
Dimitris Tsolkas, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos
A graph-coloring secondary resource allocation for D2D communications in LTE networks. CAMAD (2012)
Dionysis Xenakis, Nikos I. Passas, Christos V. Verikoukis
A novel handover decision policy for reducing power transmissions in the two-tier LTE network. ICC (2012)
Dionysis Xenakis, Nikos I. Passas, Christos V. Verikoukis
An energy-centric handover decision algorithm for the integrated LTE macrocell-femtocell network. Comput. Commun. 35 (14) (2012)
Dimitris Tsolkas, Nikos I. Passas, Christos Xenakis, Vassilis Papataxiarhis, Vassileios Tsetsos
Busfinder: A Personalized Multimodal Transportation Guide with Dynamic Routing. Panhellenic Conference on Informatics (2012)
Anastasia Lygizou, Spyros Xergias, Nikos I. Passas
rtPS Scheduling with QoE Metrics in Joint WiMAX/Satellite Networks. PSATS (2012)
Dimitris Tsolkas, Nikos I. Passas, Lazaros F. Merakos
Increasing spectrum utilization in wireless infrastructure-based systems. ISCC (2011)
Dionysis Xenakis, Nikos I. Passas, Lorenzo Di Gregorio, Christos V. Verikoukis
A Context-Aware Vertical Handover Framework Towards Energy-Efficiency. VTC Spring (2011)
Dionysia Triantafyllopoulou, Nikos I. Passas, Evangelos Zervas, Lazaros F. Merakos
Analysis and optimization of a cross-layer adaptation mechanism for real-time applications in wireless networks. Wirel. Networks 17 (5) (2011)
Spyros Xergias, Nikos I. Passas, Spyros Sioutas, Lazaros F. Merakos
A joint traffic scheduling and slot allocation algorithm for mobile WiMAX networks. PIMRC (2010)
Anastasia Lygizou, Nikos I. Passas
MF-TDMA slot allocation in joint WiMAX/satellite networks. IWCMC (2010)
Faouzi Bader, Guillaume Chelius, Christian Ibars, Mohamed Ibnkahla, Nikos I. Passas, Arnd-Ragnar Rhiemeier
Simulators and Experimental Testbeds Design and Development for Wireless Networks. EURASIP J. Wirel. Commun. Netw. 2010 (2010)
Dionysia Triantafyllopoulou, Nikos I. Passas, Evangelos Zervas, Lazaros F. Merakos
Optimized cross-layer adaptation for improved resource management in wireless networks. WiOpt (2010)
Dimitris Tsolkas, Dionysis Xenakis, Nikos I. Passas, Lazaros F. Merakos
Opportunistic spectrum access over mobile WiMAX networks. CAMAD (2010)
Alexandros Kaloxylos, Ioannis Modeas, Fotos Georgiadis, Nikos I. Passas
Network Selection Algorithm for Heterogeneous Wireless Networks: from Design to Implementation. Netw. Protoc. Algorithms 1 (2) (2009)
Dionysia Triantafyllopoulou, Nikos I. Passas, Alexandros Kaloxylos, Lazaros F. Merakos
Coordinated Handover Initiation and Cross-Layer Adaptation for Mobile Multimedia Systems. IEEE Trans. Multim. 11 (6) (2009)
Anastasia Lygizou, Spyros Xergias, Nikos I. Passas, Lazaros F. Merakos
A prediction-based scheduling mechanism for interconnection between WiMax and satellite networks. Int. J. Auton. Adapt. Commun. Syst. 2 (2) (2009)
Dionysia Triantafyllopoulou, Nikos I. Passas, Alexandros Kaloxylos
Integration of Handover in a Cross-Layer Mechanism for Mobile Multimedia Systems. ICC (2009)
Alexandros Kaloxylos, Fotos Georgiadis, Ioannis Modeas, Nikos I. Passas
Design and Implementation of a Radio Access Selection Algorithm for Multi-mode Mobile Terminals. MONAMI (2009)
Dionysia Triantafyllopoulou, Nikos I. Passas, Lazaros F. Merakos, Nikos C. Sagias, P. Takis Mathiopoulos
E-CLEMA: A cross-layer design for improved quality of service in mobile WiMAX networks. Wirel. Commun. Mob. Comput. 9 (9) (2009)
Ioannis Modeas, Alexandros Kaloxylos, George Lampropoulos, Nikos I. Passas, Lazaros F. Merakos
Radio Access Selection in Integrated UMTS/WLAN Networks. Int. J. Commun. Netw. Syst. Sci. 2 (9) (2009)
Dionysis Xenakis, Dimitris Tsolkas, Spyros Xergias, Nikos I. Passas, Lazaros F. Merakos
A Dynamic Subchannel Allocation algorithm for IEEE 802.16e networks. ISWPC (2008)
Spyros Xergias, Nikos I. Passas, Apostolis K. Salkintzis
Centralized Resource Allocation for Multimedia Traffic in IEEE 802.16 Mesh Networks. Proc. IEEE 96 (1) (2008)
Spyros Xergias, Nikos I. Passas, Anastasia Lygizou, Apostolis K. Salkintzis
A Multimedia Traffic Scheduler for IEEE 802.16 Point-To-Multipoint Networks. ICC (2008)
Dionysia Triantafyllopoulou, Nikos I. Passas, George Lampropoulos, Alexandros Kaloxylos
Joint application and physical layer adaptation for improved performance in wireless networks. ISWPC (2008)
George Lampropoulos, Apostolis K. Salkintzis, Nikos I. Passas
Media-independent handover for seamless service provision in heterogeneous networks. IEEE Commun. Mag. 46 (1) (2008)
Nikos I. Passas, Apostolis K. Salkintzis, K. Daniel Wong, Vijay K. Varma
Architectures and protocols for mobility management in all-IP mobile networks [guest editorial]. IEEE Wirel. Commun. 15 (2) (2008)
Apostolis K. Salkintzis, Nikos I. Passas, Dimitris Skyrianoglou
On the support of voice call continuity across UMTS and wireless LANs. Wirel. Commun. Mob. Comput. 8 (7) (2008)
Dionysia Triantafyllopoulou, Nikos I. Passas, Apostolis K. Salkintzis, Alexandros Kaloxylos
A Heuristic Cross-Layer Mechanism for Real-Time Traffic in IEEE 802.16 Networks. PIMRC (2007)
George Lampropoulos, Alexandros Kaloxylos, Nikos I. Passas, Lazaros F. Merakos
A Power Consumption Analysis of Tight-Coupled WLAN/UMTS Networks. PIMRC (2007)
Dionysia Triantafyllopoulou, Nikos I. Passas, Apostolis K. Salkintzis, Alexandros Kaloxylos
A heuristic cross-layer mechanism for real-time traffic over IEEE 802.16 networks. Int. J. Netw. Manag. 17 (5) (2007)

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Publication Activity (10 Years)

Top Topics

Top Venues

Nikos I. Passas