George A. Ropokis

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 14

Top Topics

Cognitive Radio

Energy Efficient

Power Allocation

Top Venues

IEEE Trans. Wirel. Commun.

IEEE Trans. Veh. Technol.

Publications

George A. Ropokis, Petros S. Bithas
Multi-Antenna Wireless Powered Relaying: Low Complexity and Near Optimal Techniques for Generic EH Models. IEEE Trans. Green Commun. Netw. 8 (2) (2024)
Petros S. Bithas, George A. Ropokis, George K. Karagiannidis, Hector E. Nistazakis
UAV-Assisted Communications With RIS: A Shadowing-Based Stochastic Analysis. IEEE Trans. Veh. Technol. 73 (7) (2024)
George A. Ropokis, Petros S. Bithas
Wireless Powered Relay Networks: Rate Optimal and Power Consumption-Aware WPT/SWIPT. IEEE Trans. Veh. Technol. 71 (8) (2022)
Jernej Hribar, Andrei Marinescu, George A. Ropokis, Luiz A. DaSilva
Using Deep Q-Learning to Prolong the Lifetime of Correlated Internet of Things Devices. ICC Workshops (2019)
George A. Ropokis
Multi-relay cooperation with self-energy recycling and power consumption considerations. WiMob (2019)
Jernej Hribar, Andrei Marinescu, George A. Ropokis, Luiz A. DaSilva
Using Deep Q-learning To Prolong the Lifetime of Correlated Internet of Things Devices. CoRR (2019)
Francisco Paisana, George A. Ropokis, Nicola Marchetti, Luiz A. DaSilva
Cognitive Beamforming in Radar Bands. IEEE Trans. Commun. 66 (8) (2018)
Jasmina McMenamy, Haris Kremo, George A. Ropokis, Adam Narbudowicz
On Fixed Beamforming in Sectored mmWave Ultra Dense Networks at 73GHz. PIMRC (2018)
George A. Ropokis, Nicola Marchetti, Luiz A. DaSilva
Cooperative Beamforming Exploiting Energy Recycling. ICT (2018)
George A. Ropokis, M. Majid Butt, Nicola Marchetti, Luiz A. DaSilva
Optimal Power Allocation for Energy Recycling Assisted Cooperative Communications. WCNC Workshops (2017)
George A. Ropokis, Fotis Foukalas
Energy efficient power allocation for carrier aggregation enabled communications systems. WCNC (2016)
George A. Ropokis, Miltiades C. Filippou, Athanasios A. Rontogiannis, Luiz A. DaSilva, Nicola Marchetti, Valerio Frascolla, P. Takis Mathiopoulos
Optimal sensing and power allocation in pilot-aided shared access systems: A BER minimization approach. SPAWC (2016)
Miltiades C. Filippou, George A. Ropokis, David Gesbert, Tharmalingam Ratnarajah
Joint Sensing and Reception Design of SIMO Hybrid Cognitive Radio Systems. IEEE Trans. Wirel. Commun. 15 (9) (2016)
Miltiades C. Filippou, Paul de Kerret, David Gesbert, Tharmalingam Ratnarajah, Adriano Pastore, George A. Ropokis
Coordinated Shared Spectrum Precoding With Distributed CSIT. IEEE Trans. Wirel. Commun. 15 (8) (2016)
Miltiades C. Filippou, David Gesbert, George A. Ropokis
A Comparative Performance Analysis of Interweave and Underlay Multi-Antenna Cognitive Radio Networks. IEEE Trans. Wirel. Commun. 14 (5) (2015)
Miltiades C. Filippou, Paul de Kerret, David Gesbert, Tharmalingam Ratnarajah, Adriano Pastore, George A. Ropokis
Coordinated Shared Spectrum Precoding with Distributed CSIT. CoRR (2015)
Miltiades C. Filippou, George A. Ropokis, David Gesbert, Tharmalingam Ratnarajah
Joint Sensing and Reception Design of SIMO Hybrid Cognitive Radio Systems. CoRR (2015)
Miltiades C. Filippou, George A. Ropokis, David Gesbert, Tharmalingam Ratnarajah
Performance analysis and optimization of hybrid MIMO Cognitive Radio systems. ICC Workshops (2015)
George A. Ropokis, David Gesbert, Kostas Berberidis
Optimal power control in Cognitive MIMO systems with limited feedback. CoRR (2014)
George A. Ropokis, David Gesbert, Kostas Berberidis
Optimal power control in cognitive MIMO systems with limited feedback. ISCCSP (2014)
Miltiades Filippou, David Gesbert, George A. Ropokis
Underlay versus interweaved cognitive radio networks: A performance comparison study. CrownCom (2014)
George A. Ropokis, David Gesbert, Kostas Berberidis
Rate optimal power policies in underlay cognitive radios with limited channel feedback. PIMRC (2013)
Miltiades Filippou, George A. Ropokis, David Gesbert
A team decisional beamforming approach for underlay cognitive radio networks. PIMRC (2013)
Miltiades Filippou, David Gesbert, George A. Ropokis
Optimal Combining of Instantaneous and Statistical CSI in the SIMO Interference Channel. VTC Spring (2013)
George A. Ropokis, Athanasios A. Rontogiannis, Kostas Berberidis
BER Performance Analysis of Cooperative DaF Relay Networks and a New Optimal DaF Strategy. IEEE Trans. Wirel. Commun. 10 (4) (2011)
George A. Ropokis, Athanasios A. Rontogiannis, P. Takis Mathiopoulos, Kostas Berberidis
An Exact Performance Analysis of MRC / OSTBC over Generalized Fading Channels. IEEE Trans. Commun. 58 (9) (2010)
George A. Ropokis, Athanasios A. Rontogiannis, P. Takis Mathiopoulos
Quadratic forms in normal RVs: theory and applications to OSTBC over hoyt fading channels. IEEE Trans. Wirel. Commun. 7 (12-1) (2008)
George A. Ropokis, Athanasios A. Rontogiannis, P. Takis Mathiopoulos
Performance Analysis of Orthogonal Space Time Block Coding over Hoyt Fading Channels. GLOBECOM (2007)