Diomidis Michalopoulos is a Research Department Head in the Device Standardization Group in Nokia, Munich, Germany. 

His scientific interests include 5G/6G research and standardization activities on the following domains.

• Radio Access Design and Optimization

• Positioning

• IoT

• Network Slicing

• Wireless Communications and Communications Theory

• Information Theory

Short Bio

Diomidis S. Michalopoulos joined Nokia / Nokia Bell Labs in 2015. He and his team conduct research since then on 5G/6G networks and devices, with emphasis on physical layer and radio access aspects. Daily activities include driving Nokia projects leading to standards contributions, driving the preparation of EU-funded projects, and scouting technology trends in the market. Prior to joining Nokia he was employed by the University of British Columbia, Canada, and the University of Erlangen-Nuremberg, Germany, as postdoctoral fellow and teaching instructor., collaborating closely with Prof. Robert Schober. His teaching activities involved courses on Digital Communications and distributed MIMO techniques.

Diomidis obtained the Engineering and PhD degree from the Aristotle University of Thessaloniki, Greece, under the supervision of Prof. George K. Karagiannidis. He received the Marconi Young Scholar award from the Marconi Society and various prizes for academic research excellence, including the Banting fellowship in Canada. Diomidis has a publication track record of around 90 journals and conferences, as well as over 160 patent filings.  He has been among the Nokia top inventors for at least four consequtive years (2019-2022). 

Diomidis has served as Associate Editor for IEEE Communications Letters and currently for IEEE Networking Letters. He also served as the IEEE ComSoc industry-academia collaboration coordinator within the IEEE EMEA region (2020-2023). 

Honors and Awards

• Best Paper Award, IEEE Conference on Standards on Communication and Networking (CSCN), 2023

• Nokia Top Inventor for Standard Essential and Implementation Patents (2019-2022)

• IEEE Senior Member (2015)

• Marconi Young Scholar Award, by the Marconi Society (2010)

• Banting Postdoctoral Research Fellowship Natural Sciences and Engineering Research Council (NSERC) of Canada. Years: 2011-2013

• Killam Research Prize, for excellence in research in the University of British Columbia, Canada, 2011 (2 awardees selected out of approximately 800 postdoctoral fellows)

• Killam Postdoctoral Research Fellowship, University of British Columbia, Canada. Years: 2009-2011.

• Best Paper Award of the Wireless Communications Symposium (WCS), IEEE International Conference on Communications (ICC’07), Glasgow, 2007

• Award of excellence for his academic performance in the year 2003-2004 awarded by the technical chamber of Greece, March 2007.

• “Exemplary Reviewer” for IEEE Wireless Communications Letters, 2014 (recognition for the top 3% performance of reviewers)

• Ericsson award of excellence in Telecommunications, (Best Thesis award), by ERICSSON Hellas, 2005

• Scholarship awarded by the Greek State Scholarships Foundation for the academic year 2003-2004.

Published Work and Citations

Citations

A collection of the citations to the published work is available at the Google-Scholar Profile

List of Publications

Doctoral Dissertation

D-1: Diomidis Michalopoulos, Distributed Diversity in Wireless Communications (in Greek), Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, May 2009

Book chapters

Ch-1: Diomidis S. Michalopoulos and George K. Karagiannidis, “Diversity Combining for Cooperative Communications”, in  Cooperative Communications for Improved Wireless Network Transmission: Frameworks for Virtual Antenna Array Applications, M. Uysal, Ed., IGI-Global, 2009.

Journal papers

J-35 Anil Kirmaz, Taylan Şahin, Diomidis S Michalopoulos, Wolfgang Gerstacker, "ToA and TDoA Estimation Using Artificial Neural Networks for High-Accuracy Ranging",  IEEE Journal on Selected Areas in Communications (JSAC), Oct 2023

J-34 Dick Carrillo, Charalampos Kalalas, Petra Raussi, Diomidis S Michalopoulos, Demóstenes Z Rodríguez, Heli Kokkoniemi-Tarkkanen, Kimmo Ahola, Pedro HJ Nardelli, Gustavo Fraidenraich, Petar Popovski, "Boosting 5G on smart grid communication: A smart RAN slicing approach", IEEE Wireless Communications, Aug 2022

J-33: Rania Morsi, Diomidis S. Michalopoulos, and Robert Schober , "Performance Analysis of Near-Optimal Energy Buffer Aided Wireless Powered Communication", IEEE Transactions on Wireless Communications, Feb. 2018

J-32 Peter Rost, Christian Mannweiler, Diomidis S Michalopoulos, Cinzia Sartori, Vincenzo Sciancalepore, Nishanth Sastry, Oliver Holland, Shreya Tayade, Bin Han, Dario Bega, Danish Aziz, Hajo Bakker, "Network slicing to enable scalability and flexibility in 5G mobile networks", IEEE Communications Managazine, May 2017

J-31: Vahid Jamali, Diomidis S. Michalopoulos, Murat Uysal and Robert Schober, “Link allocation for multiuser systems with hybrid RF/FSO backhaul: Delay-limited and delay-tolerant designs”, IEEE Transactions on Wireless Communications, May 2016

J-30: Xiaohu Ge, Bangzheng Du, Qiang Li, Diomidis S. Michalopoulos, “Energy efficiency of multi-user multi-antenna random cellular networks with minimum distance constraints”, IEEE Transactions on Vehicular Technology, Apr 2016

J-29: Toufiqul Islam, Diomidis S Michalopoulos, Robert Schober, Vijay K Bhargava, “Buffer-aided Relaying with Outdated CSI”, IEEE Transactions on Wireless Communications, Mar 2016

J-28: Diomidis S. Michalopoulos, Himal A. Suraweera and Robert Schober, “Relay Selection for Simultaneous Information Transmission and Wireless Energy Transfer: A Tradeoff Perspective”, IEEE Journal on Selected Areas in Communications, Aug 2015

J-27: Rania Morsi, Diomidis S. Michalopoulos, and Robert Schober, “Multi-user Scheduling Schemes for Simultaneous Wireless Information and Power Transfer Over Fading Channels”, IEEE Transactions on Wireless Communications, Apr 2015

J-26: Manjunath Kashyap Jataprolu, Diomidis S. Michalopoulos, and Robert Schober, “Co-located and Distributed Switch And Stay Combining: Optimality Under Switching Rate Constraints”, IEEE Transactions on Vehicular Technology, Vol. 63, pp. 451-457, Jan. 2014

J-25: Diomidis S. Michalopoulos, Jonathan Ng, and Robert Schober, "Optimal Relay Selection for Outdated CSI ", IEEE Communications Letters, Vol. 17, pp. 503—506, Mar. 2013 

J-24: Xianfu Lei, Lisheng Fan, Diomidis S. Michalopoulos, Pingzhi Fan, and Rose Q. Hu, "Outage Probability of TDBC Protocol in Multiuser Two-way Relay Systems with Nakagami-m Fading", IEEE Communications Letters, Vol 17, pp. 487-490, Mar. 2013

J-23: Zoran Hadzi-Velkov, Diomidis S. Michalopoulos, George K. Karagiannidis, and Robert Schober, "On the Effect of Outdated Channel Estimation in Variable Gain Relaying: Error Performance and PAPR ", IEEE Transactions on Wireless Communications, Vol. 12, pp. 1084-1097, Mar. 2013

J-22: Diomidis S. Michalopoulos, Nestor D. Chatzidiamantis, Robert Schober, and George K. Karagiannidis, "The Diversity Potential of Relay Selection with Practical Channel Estimation ", IEEE Transactions on Wireless Communications, Vol. 12, pp. 481- 493, Feb. 2013 

J-21: Nestor D. Chatzidiamantis, Diomidis S. Michalopoulos, Emmanouil E. Kriezis, George K. Karagiannidis, and Robert Schober, "Transmission Protocols for Relay-Assisted Free-Space Optical Systems", IEEE/OSA Journal of Optical Communications and Networking, Vol. 5, pp. 92-103, Jan. 2013

J-20: Tarun Kr. Baranwal, Diomidis S. Michalopoulos, and Robert Schober, "Outage Analysis of Multihop Full Duplex Relaying ", IEEE Communications Letters, Vol. 17, pp. 63-66, Jan. 2013

J-19: Ehsan Bayaki, Diomidis S. Michalopoulos, and Robert Schober, “EDFA-Based All-Optical Relaying in Free-Space Optical Systems”, IEEE Transactions on Communications, Vol. 60, pp. 3797-3807, Dec. 2012

J-18: Diomidis S. Michalopoulos, Himal A. Suraweera, George K. Karagiannidis and Robert Schober, “Amplify-and-Forward Relay Selection with Outdated Channel Estimates”, IEEE Transactions on Communications, vol.60, no.5, pp.1278-1290, May 2012

J-17: Imtiaz Ahmed, Amir Nasri, Diomidis S. Michalopoulos, Robert Schober, and Ranjan K. Mallik, “Relay Subset Selection and Fair Power Allocation for Best and Partial Relay Selection in Generic Noise and Interference”, IEEE Transactions on Wireless Communications, vol.11, pp.1828-1839, May 2012

J-16: Aissa Ikhlef, Diomidis S. Michalopoulos, and Robert Schober, “ Max-Max Relay Selection for Relays with Buffers”, IEEE Transactions on Wireless Communications, vol. 11, pp. 1124-1135, Mar 2012

J-15: Himal A. Suraweera, Diomidis S. Michalopoulos, and Chau Yuen, “Performance Analysis of Fixed Gain Relay Systems with a Single Interferer in Nakagami-m Fading Channels”, IEEE Transactions on Vehicular Technology, vol.61, no.3, pp.1457-1463, Mar 2012

J-14: Junsu Kim, Diomidis S. Michalopoulos, and Robert Schober, “Diversity Analysis of Multi-User Multi-Relay Networks”, IEEE Transactions on Wireless Communications, Vol. 10, pp. 2380-2389, Jul 2011

J-13: Diomidis S. Michalopoulos, and George K. Karagiannidis, “Bypassing Orthogonal Relaying Transmissions via Spatial Signal Separation”, IEEE Transactions on Communications, Vol. 58, pp.3028-3038, Oct 2010

J-12: Diomidis S. Michalopoulos, Athanasios S. Lioumpas, George K. Karagiannidis, and Robert Schober, “Selective Cooperative Relaying over Time-Varying Channels”, IEEE Transactions on Communications, Vol. 58, pp.2402-2412, Aug 2010

J-11: Enis Kocan, Milica Pejanovic-Djurisic, Diomidis S. Michalopoulos, and George K. Karagiannidis, “Performance evaluation of OFDM Amplify-and-Forward Relay System with Subcarrier Permutation”, IEICE Transactions on Communications, Vol. E93-B No. 5, May 2010.

J-10: Himal A. Suraweera, Diomidis S. Michalopoulos, and George K. Karagiannidis, “Performance of Distributed Diversity Systems with a Single Amplify-and-Forward Relay “, IEEE Transactions on Vehicular Technology, Vol. 58, No. 5, 2603-2608, Jun 2009

J-9: Himal A. Suraweera, Diomidis S. Michalopoulos, and George K. Karagiannidis, “Semi-blind amplify-and-forward with partial relay selection”, IET Electronics Letters, Vol. 45, No. 6, 317-319, Mar 2009

J-8: Diomidis S. Michalopoulos, Athanasios S. Lioumpas, and George K. Karagiannidis, “Increasing Power Efficiency in Transmitter Diversity Systems under Error Performance Constraints”, IEEE Transactions on Communications, Vol. 56, No. 12, 2025-2029, Dec 2008

J-7: Diomidis S. Michalopoulos, and George K. Karagiannidis, “Two-Relay Distributed Switch and Stay Combining (DSSC)”, IEEE Transactions on Communications, Vol 56, No 11, 1790-1794, Nov 2008

J-6: Diomidis S. Michalopoulos and George K. Karagiannidis, “ Performance Analysis of Single-Relay Selection in Rayleigh Fading”, IEEE Transactions on Wireless Communications, Vol. 7, No. 10, 3718-3724, Oct 2008

J-5: Diomidis S. Michalopoulos, George K. Karagiannidis and George S. Tombras, “ Symbol error probability of decode and forward cooperative diversity in Nakagami-m fading channels”, Journal of The Franklin Institute, Vol. 345, No. 7, 723-728, Oct 2008

J-4: Diomidis S. Michalopoulos, George K. Karagiannidis, Theodoros A. Tsiftsis and Ranjan K. Mallik, “Distributed Transmit Antenna Selection (DTAS) under Performance or Energy Consumption Constraints”, IEEE Transactions on Wireless Communications, Vol. 7, No. 4, 1168-1173, April 2008

J-3: Diomidis S. Michalopoulos and Theodoros. A. Tsiftsis, “Performance Analysis of Wireless Multihop Diversity Systems,” International Journal of Communications Systems – Wiley, Vol. 21, No. 9, 955-969, Apr 2008

J-2: Diomidis S. Michalopoulos and George K. Karagiannidis, “PHY-Layer Fairness in Amplify and Forward Cooperative Diversity Systems”, IEEE Transactions on Wireless Communications, Vol. 7, No. 3, 1073-1083, March 2008

J-1: Diomidis S. Michalopoulos and George K. Karagiannidis, “Distributed Switch and Stay Combining with a Single Decode and Forward Relay”, IEEE  Communications Letters, Vol. 11, No. 5, 408-410, May 2007

Conference papers (with peer review)

C-53 Taylan Şahin, Leonardo Chiarello, Diomidis S. Michalopoulos and Berthold Panzner, "Performance Evaluation of 5G Sidelink Positioning", IEEE CSCN 2023, Best Paper Award

C-52 Anil Kirmaz, Taylan Şahin, Diomidis S Michalopoulos, Muhammad Ikram Ashraf, Wolfgang Gerstacker, "Time of Arrival Error Estimation for Positioning Using Convolutional Neural Networks", IEEE WCNC 2023

C-51 Mikko Säily, Osman NC Yilmaz, Diomidis S Michalopoulos, Eva Pérez, Ryan Keating, Joerg Schaepperle, "Positioning technology trends and solutions toward 6G", IEEE PIMRC 2021

C-510Anil Kirmaz, Diomidis S Michalopoulos, Irina Balan, Wolfgang Gerstacker, "LOS/NLOS classification using scenario-dependent unsupervised machine learning", IEEE PIMRC 2021

C-49 Anil Kirmaz, Diomidis S Michalopoulos, Irina Balan, Wolfgang Gerstacker, "Mobile network traffic forecasting using artificial neural networks", IEEE MASCOTS 2020

C-48 Wolfgang Zirwas, Diomidis S. Michalopoulos, Brenda Vilas Boas, Martin Haardt, "Highly Accurate Multipath Component Delay Estimation", ITG Workshop on Smart Antennas, 2020

C-47 Jakob Belschner, Diomidis S Michalopoulos, "A Hybrid Approach for Data Duplication and Network Coding", EUCNC 2019

C-46 Borislava Gajic, Ruben Trapero, Diomidis S Michalopoulos, "Telco Cloud Resilience: Synergies Between Fault and Security Management", EUCNC 2019

C-45 Diomidis S Michalopoulos, Volker Pauli, "Data duplication for high reliability: A protocol-level simulation assessment", IEEE ICC 2019

C-44 Dimitrios Schinianakis, Ruben Trapero, Diomidis S Michalopoulos, Beatriz Gallego-Nicasio Crespo, "Security considerations in 5G networks: A slice-aware trust zone approach", IEEE WCNC, 2019

C-43 Diomidis S Michalopoulos, Andreas Maeder, Niko Kolehmainen, "5G multi-connectivity with non-ideal backhaul: Distributed vs cloud-based architecture", IEEE Globecom Workshops, 2018

C-42 Ahmad Awada, Diomidis S Michalopoulos, "Energy saving via efficient allocation of paging frames", IEEE CSCN, 2018

C-41 Borislava Gajic, Christian Mannweiler, Diomidis S. Michalopoulos, "Cognitive Network Fault Management Approach for Improving Resilience in 5G Networks", EUCNC, 2018

C-40 Diomidis S Michalopoulos, Borislava Gajic, Beatriz Gallego-Nicasio Crespo, Aravinthan Gopalasingham, Jakob Belschner, "Network resilience in virtualized architectures", IMCL conference, 2017

C-39: Ahmad Awada and Diomidis S. Michalopoulos, "A Radio Resource-Efficient Paging Method in High Frequency 5G Networks", IEEE Globecom Workshops, 2017

C-38 Diomidis S Michalopoulos, Mark Doll, Vincenzo Sciancalepore, Dario Bega, Peter Schneider, Peter Rost, "Network slicing via function decomposition and flexible network design", IEEE PIMRC 2017

C-37: Ahmad Awada, Diomidis S. Michalopoulos, and Amaanat Ali, "An improved method for on-demand system information broadcast in 5G networks", IEEE Conference on Standards on Communications and Networking (CSCN), 2017

C-36 Azad Ravanshid, Peter Rost, Diomidis S Michalopoulos, Vinh V Phan, Hajo Bakker, Danish Aziz, Shreya Tayade, Hans D Schotten, Stan Wong, Oliver Holland, "Multi-connectivity functional architectures in 5G", IEEE ICC Workshops, 2016

C-35: Diomidis S. Michalopoulos, Ingo Viering, and Lei Du, “User Plane Multi-Connectivity Aspects in 5G”, International Conference on Telecommunications, 2016

C-34: Vahid Jamali, Diomidis S. Michalopoulos, Murat Uysal and Robert Schober, “Mixed RF and hybrid RF/FSO relaying”, IEEE Globecom Workshops, 2015

C-33: Vahid Jamali, Diomidis S. Michalopoulos, Murat Uysal and Robert Schober, “Outage analysis of q-duplex RF/FSO relaying”, International Symposium on Wireless Communications Systems, 2015

C-32 Rania Morsi, Diomidis S Michalopoulos, Robert Schober, "Performance analysis of wireless powered communication with finite/infinite energy storage", IEEE ICC 2015

C-31: Diomidis S. Michalopoulos, and Robert Schober, “Geometric Aspects of Efficient Cooperation”, IEEE International Conference on Communications Workshop (ICCW), 2015

 C-30: Diomidis S. Michalopoulos, Himal A. Suraweera, and Robert Schober, “The Impact of Relay Selection on the Tradeoff Between Information Transmission and Wireless Energy Transfer”, IEEE Globecom 2014

C-29: Diomidis S. Michalopoulos, Himal A. Suraweera, and Robert Schober, “Simultaneous Information Transmission and Wireless Energy Transfer via Selecting One out of Two Relays”, International Symposium on Communications, Control, and Signal Processing (ISCCSP'14)

C-28: Rania Morsi, Diomidis S. Michalopoulos, and Robert Schober, “Multi-user Scheduling Schemes for Simultaneous Wireless Information and Power Transfer”, IEEE International Conference on Communications (ICC), 2014

C-27: Toufiqul Islam, Diomidis S. Michalopoulos, Robert Schober, and Vijay Bhargava, “Delay Constrained Buffer-Aided Relaying with Outdated CSI”, IEEE Wireless Communications and Networking Conference (WCNC) 2014.

C-26: Diomidis S. Michalopoulos, and Robert Schober, “Can Cooperation Reduce the Average Transmitted Power per Participating User?”, IEEE Global Communications Conference (Globecom), 2013

C-25: Zoran Hadzi-Velkov, Diomidis S. Michalopoulos, George K. Karagiannidis, and R. Schober, “Dual-hop Amplify-and-Forward Transmission with Imperfect Channel Estimates at the Relay”, IEEE International Conference on Communications (ICC), 2012

C-24: Imtiaz Ahmed, Amir Nasri, Diomidis S. Michalopoulos, Robert Schober, and Ranjan K. Mallik, “Performance Analysis and Power Allocation of AF Best Relay Selection in Generic Noise”, IEEE Wireless Communications and Networking Conference (WCNC), 2012 

C-23: Aissa Ikhlef, Diomidis S. Michalopoulos, and Robert Schober, "Buffers Improve the Performance of Relay Selection," IEEE Global Communications Conference (Globecom) 2011

C-22: Diomidis S. Michalopoulos, Nestor D. Chatzidiamantis, Robert Schober, and George K. Karagiannidis, "Diversity Loss Due to Suboptimal Relay Selection," IEEE Global Communications Conference (Globecom) 2011

C-21: Nestor D. Chatzidiamantis, Diomidis S. Michalopoulos, George K. Karagiannidis, and Robert Schober, "Relay Selection in Relay-Assisted Free Space Optical Systems," IEEE Global Communications Conference (Globecom) 2011

C-20: Ehsan Bayaki, Diomidis S. Michalopoulos and Robert Schober, “EDFA Based All-Optical Relaying in Free-Space Optical Systems”, IEEE Vehicular Technology Conference (VTC), Spring 2011

C-19: M. Kashyap Jataprolu, Diomidis S. Michalopoulos, and Robert Schober, “Optimal Switch and Stay Combining (SSC) under Switching Rate Constraints”, IEEE Wireless Communications and Networking Conference (WCNC), 2011

C-18: Junsu Kim, Diomidis S. Michalopoulos, and Robert Schober, “Range of Achievable Diversity Order in Multiple Relay Networks with Multiple Users”, IEEE International Conference on Communications (ICC), 2011

C-17: Himal A. Suraweera, Diomidis S. Michalopoulos, Robert Schober, George K. Karagiannidis, and A. Nallanathan, “Fixed Gain Amplify-and-Forward Relaying with Co-Channel Interference”, IEEE International Conference on Communications (ICC), 2011

C-16: Diomidis S. Michalopoulos, Nestor D. Chatzidiamantis, Robert Schober, and George K. Karagiannidis, “Relay Selection with Outdated Channel Estimates in Nakagami-m Fading”, IEEE International Conference on Communications (ICC), 2011

C-15: Diomidis S.  Michalopoulos, Himal A. Suraweera, George K.  Karagiannidis, and Robert Schober, "Amplify-and-Forward Relay Selection with Outdated Channel Estimates,"   IEEE Global Communications Conference (Globecom 2010), Miami, FL, USA

C-14: Diomidis S. Michalopoulos, Josh Schlenker, Julian Cheng, and Robert Schober, “Error Rate Analysis of Full-Duplex Relaying”, IEEE Waveform Diversity and Design Conference, Niagara Falls, Canada, August 2010

C-13: Diomidis S.  Michalopoulos, Athanasios S. Lioumpas, George K.  Karagiannidis, and Robert Schober, "Switching Rate in Selective Cooperative Relaying,"   IEEE Wireless Communications and Networking Conference (WCNC),  2010.

C-12: Nestor D. Chatzidiamantis, George K. Karagiannidis and Diomidis S. Michalopoulos, “On the Distribution of the Sum of Gamma-Gamma Variates and Application in MIMO Optical Wireless Systems,” IEEE Global communications conference (Globecom) 2009.

C-11: Athanasios S. Lioumpas, George K. Karagiannidis and Diomidis S. Michalopoulos, “Adaptive M-PSK Communications in the Absence of Channel Gain Estimation,”  IEEE Globecom 2009.

C-10: Diomidis S. Michalopoulos and George K. Karagiannidis, “Spectral Efficient Cooperative Communications via Spatial Signal Separation,” IEEE International Conference on Communications (ICC), 2008.

C-9: Enis Kocan, Milica Pejanovic-Djurisic, Diomidis S. Michalopoulos and George K. Karagiannidis, “BER performance of OFDM Amplify-and-forward relaying system with Subcarrier Permutation”, in Proc. of Wireless Communications, Vehicular Technology, Information Theory and Aerospace & Electronic Systems Technology (Wireless VITAE), 2009

C-8: Diomidis S. Michalopoulos, Athanasios S. Lioumpas, Norman C. Beaulieu and George K. Karagiannidis, "Are Amplify-and -Forward Relaying and Decode-and-Forward Relaying the Same?," International Workshop on Advances in Communications, Victoria, Canada, Sep. 2008

C-7: Diomidis S. Michalopoulos, Athanasios S. Lioumpas and George K. Karagiannidis, “Low Complexity Amplify and Forward Relaying without Channel Amplitude Estimation,” IEEE International Conference on Communications (ICC) 2008 

C-6: Diomidis S. Michalopoulos, George K. Karagiannidis and Theodoros A. Tsiftsis, “Introducing PHY-Layer Fairness in Amplify and Forward Cooperative Diversity Systems,” IEEE International Conference on Communications (ICC) 2007

C-5: Diomidis S. Michalopoulos, Athanasios S. Lioumpas and George K. Karagiannidis, “Increasing Power Efficiency in Transmitter Diversity Systems under Error Performance Constraints,”  IEEE ICC 2007, Best Paper Award (wireless communications symposium)

C-4: Alessandro Vanelli-Coralli, Giovanni E. Corazza, George K. Karagiannidis, P. Takis Mathiopoulos, Diomidis S. Michalopoulos, Carlos Mosquera, Stylianos Papaharalambos and Sandro Scalise, "Satellite Communications: Research Trends and Open Issues," International Workshop on Satellite and Space Communications (IWSSC), 2007

C-3: Diomidis S. Michalopoulos, George K. Karagiannidis,  Theodoros A. Tsiftsis and Ranjan K. Mallik, “An Optimized User Selection Method for Cooperative Diversity Systems”, IEEE Globecom 2006

C-2: Lydia-Chaido A. Siafara, Diomidis S. Michalopoulos, Theodoros A. Tsiftsis, and George K. Karagiannidis, “Regenerative versus Non-Regenerative Relaying in Cooperative Diversity Systems”, Mobile and Wireless Communications Summit, 2006

C-1: Diomidis S. Michalopoulos, George K. Karagiannidis and Theodoros A. Tsiftsis ''New Results for Wireless Multihop Diversity Systems", European Wireless Conference (EW2006), 2006

Extra curricular activities

• Music player and producer, member of the "Eigenminds" experimental rock music group.

We are creating and recording our own songs, check our youtube channel at

https://www.youtube.com/channel/UCbshAqlF1e8tfW7S8LtYnew 

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