Publications

Books

1. Anastasia Veloni, Nikolaos I. Miridakis and Erysso Boukouvala, “Digital and Statistical Signal Processing,” CRC Press, 2018.

2. Anastasia Veloni and Nikolaos I. Miridakis, “Digital Signal Processing (in Greek),” Tziola Publications, 2018.

3. Anastasia Veloni and Nikolaos I. Miridakis, “Digital Control Systems: Theoretical Problems and Simulation Tools,” CRC Press, 2017.

Book Chapters

• Nikolaos I. Miridakis and Dimitrios D. Vergados, “Successive Interference Cancellation for multi-user MIMO-OFDM ad-hoc networks: A Performance-Complexity Tradeoff,” Springer, Book Chapter, E-Business and Telecommunications Communications in Computer and Information Science, vol. 314, 2012, pp. 519-533.

International Journals

1. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Panagiotis A. Karkazis, Helen C. Leligou, and Petar Popovski, "Impact of Inter-Operator Interference via Reconfigurable Intelligent Surfaces," IEEE Wireless Communications Letters, vol. 13, no. 9, pp. 2536-2540, Sep. 2024.

2. Emmanouel T. Michailidis, Maria-Garyfallio Volakaki, Nikolaos I. Miridakis, and Demosthenes Vouyioukas, "Optimization of Secure Computation Efficiency in UAV-Enabled RIS-Assisted MEC-IoT Networks with Aerial and Ground Eavesdroppers," IEEE Transactions on Communications, vol. 72, no. 7, pp. 3994-4009, Jul. 2024.

3. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Panagiotis A. Karkazis, Helen C. Leligou, and Fotis Foukalas, "Extreme Level Crossing Rate: A New Performance Indicator for URLLC Systems," IEEE Transactions on Vehicular Technology, vol. 73, no. 1, pp. 1358-1363, Jan. 2024. 

4. Tong Li, Rugui Yao, Ye Fan, Xiaoya Zuo, Nikolaos I. Miridakis, and Theodoros A. Tsiftsis, "Pattern Design and Power Management for Cognitive LEO Beaming Hopping Satellite-Terrestrial Networks," IEEE Transactions on Cognitive Communications and Networking, vol. 9, no. 6, pp. 1531-1545, Dec. 2023. 

5. Rugui Yao, Yongsong Yu, Peng Wang, Ye Fan, Xudong Li, Xiaoya Zuo, Nan Qi, Nikolaos I. Miridakis, and Theodoros A. Tsiftsis, "Green Integrated Cooperative Spectrum Sensing for Cognitive Satellite Terrestrial Networks," IET Communications, vol. 17, no. 14, pp. 1665-1682, Aug. 2023.

6. Stamatia F. Drampalou, Nikolaos I. Miridakis, Helen C. Leligou, and Panagiotis A. Karkazis, "A Survey on Optimal Channel Estimation Methods for RIS-Aided Communication Systems," Signals, vol. 4, no. 1, pp. 208-234, Mar. 2023. 

7. Nikolaos I. Miridakis, Theodoros A. Tsiftsis and Rugui Yao, "Zero Forcing Uplink Detection through Large-Scale RIS: System Performance and Phase Shift Design," IEEE Transactions on Communications, vol. 71, no. 1, pp. 569-579, Jan. 2023.  

8. Xudong Li, Ye Fan, Rugui Yao, Peng Wang, Nan Qi, Nikolaos I. Miridakis, and Theodoros A. Tsiftsis, "RSMA-Enabled Secure and Efficient Cognitive Satellite Terrestrial Networks," IEEE Transactions on Vehicular Technology, vol. 71, no. 11, pp. 11756-11771, Nov. 2022. 

9. Jiahui Feng, Zheng Shi, Guanghua Yang, Nikolaos I. Miridakis, Shaodan Ma, and Theodoros A. Tsiftsis, "Outage Performance of Cross-Packet HARQ," IEEE Wireless Communications Letters, vol. 11, no. 7, pp. 1423-1427, Jul. 2022.   

10. Xudong Li, Rugui Yao, Ye Fan, Peng Wang, Nan Qi, Nikolaos I. Miridakis, and Theodoros A. Tsiftsis, "Secure Spectrum-Energy Efficiency Tradeoff Based on Stackelberg Game in a Two-way Relay Cognitive Satellite Terrestrial Network," IEEE Wireless Communications Letters,  vol. 11, no. 8, pp. 1679-1683, Aug. 2022. 

11. Nikolaos I. Miridakis, Zheng Shi, Theodoros A. Tsiftsis, and Guanghua Yang, "Extreme Age of Information for Wireless-Powered Communication Systems," IEEE Wireless Communications Letters, vol. 11, no. 4, pp. 826-830, Apr. 2022. 

12. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, and Guanghua Yang, "Non-Linear Age of Information: An Energy Efficient Receiver-Centric Approach," IEEE Wireless Communications Letters, vol. 11, no. 3, pp. 655-659, Mar. 2022.  

13. Theodoros A. Tsiftsis, Constantinos Valagiannopoulos, Hongwu Liu, Alexandros-Apostolos A. Boulogeorgos, and Nikolaos I. Miridakis, "Metasurface-Coated Devices: A New Paradigm for Energy-Efficient and Secure 6G Communications," IEEE Vehicular Technology Magazine, vol. 17, no. 1, pp. 27-36 , Mar. 2022.  

14. Nikolaos I. Miridakis, Emmanouel T. Michailidis, Angelos Michalas, Emmanouel Skondras, Dimitrios J. Vergados, and Dimitrios D. Vergados, ''Performance of Uplink NOMA with User Mobility Under Short Packet Transmission,'' Wireless Personal Communications, vol. 122, pp. 2273-2283, Feb. 2022.

15. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Guanghua Yang, Panagiotis A. Karkazis, and Helen C. Leligou, "Semi-Blind Multiuser Detection Under the Presence of Reconfigurable Intelligent Surfaces," IEEE Wireless Communications Letters, vol. 11, no. 1, pp. 106-110 , Jan. 2022.  

16. Emmanouel T. Michailidis, Nikolaos I. Miridakis, Angelos Michalas, Emmanouel Skondras, Dimitrios J. Vergados, and Dimitrios D. Vergados, "Energy Optimization in Massive MIMO UAV-Aided MEC-Enabled Vehicular Networks," IEEE Access, vol. 9, pp. 117388 - 117403, Aug. 2021.

17. Emmanouel Skondras, Emmanouel T. Michailidis, Angelos Michalas, Dimitrios J. Vergados, Nikolaos I. Miridakis, and Dimitrios D. Vergados, "A Network Slicing Framework for UAV-aided Vehicular Networks,” Drones, Special Issue on Unmanned Aerial Vehicle-Assisted Cooperative Air and Ground Communications, Jul. 2021.

18. Emmanouel T. Michailidis, Nikolaos I. Miridakis, Angelos Michalas, Emmanouil Skondras, and Dimitrios J. Vergados, `Energy Optimization in Dual-RIS UAV-Aided MEC-Enabled Internet of Vehicles,' Sensors, Special Issue on UAV-Based Technology for IoT, vol. 21, no. 13, Jun. 2021.

19. Emmanouil Skondras, Angelos Michalas, Dimitrios J. Vergados, Emmanouel T. Michailidis, Nikolaos I. Miridakis, and Dimitrios D. Vergados, `Network Slicing on 5G Vehicular Cloud Computing Systems,' Electronics, Special Issue on Toward a New Era of Radio Access Technologies for 5G and Beyond, vol. 10, no. 12, Jun. 2021. 

20. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, and Guanghua Yang, `Moment-based Spectrum Sensing Under Generalized Noise Channels,' IEEE Communications Letters,  vol. 25, no. 1, pp. 89-93 , Jan. 2021. 

21. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, and Guanghua Yang, `Generalized Energy Detection Under Generalized Noise Channels,' IEEE Wireless Communications Letters, vol. 9, no. 12, pp. 2020-2024 , Dec. 2020. 

22. Yan Li, Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Guanghua Yang, and Minghua Xia, `Air-to-Air Communications Beyond 5G: A Novel 3D CoMP Transmission Scheme,' IEEE Transactions on Wireless Communications, vol. 19, no. 11, pp. 7324-7338, Nov. 2020. 

23. Shengyao Wang, Rugui Yao, Theodoros Tsiftsis, Nikolaos Miridakis, and Nan Qi, `Signal Detection in Uplink Time-Varying OFDM Systems Using RNN with Bidirectional LSTM,' IEEE Wireless Communications Letters, vol. 9, no. 11, pp. 1947-1951, Nov. 2020. 

24. Nan Qi, Nikolaos I. Miridakis, Ming Xiao, Theodoros A. Tsiftsis, Rugui Yao, and Shi Jin, `Traffic-aware Two-stage Queueing Communication Networks: Queue Analysis and Energy Saving,' IEEE Transactions on Communications, vol. 68, no. 8, pp. 4919- 4932, Aug. 2020. 

25. Nikolaos I. Miridakis, Theodoros A. Tsiftsis and Guanghua Yang, `Leveraging on the Impact of Imperfect Channel Estimation for MIMO Relaying Systems,' IEEE Access, vol. 7, pp. 127809 - 127815, Sep. 2019. 

26. Rugui Yao, Yuxin Zhang, Shengyao Wang, Nan Qi, Nikolaos I. Miridakis, and Theodoros A. Tsiftsis, `Deep Neural Network Assisted Approach for Antenna Selection in Untrusted Relay Networks,' IEEE Wireless Communications Letters, vol. 8, no. 6, pp. 1644 - 1647, Dec. 2019. 

27. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, and Hui-Ming Wang, `Zero Forcing Detection For Short Packet Transmission Under Channel Estimation Errors,' IEEE Transactions on Vehicular Technology, vol. 68, no. 7, pp. 7164 - 7168, Apr. 2019.

28. Nikolaos. I. Miridakis and Theodoros A. Tsiftsis, `A New Interweave Cognitive Radio Scheme for Out-band Energy Harvesting Systems,' IEEE Access, vol. 6, pp. 72225 - 72232, Nov. 2018. 

29. Nikolaos I. Miridakis, Dimitrios. D. Vergados, and Angelos Michalas, `All-Optical FSO Relaying Under Mixture-Gamma Fading Channels and Pointing Errors,' Wireless Personal Communications, vol. 104, pp. 771–781, Oct. 2018. 

30. Nikolaos. I. Miridakis, Theodoros A. Tsiftsis and George C. Alexandropoulos, `MIMO Underlay Cognitive Radio: Optimized Power Allocation, Effective Number of Transmit Antennas and Harvest-Transmit Tradeoff,' IEEE Transactions on Green Communications and Networking, vol. 2, no. 4, pp. 1101 - 1114, Dec. 2018.

31. Nikolaos. I. Miridakis, Theodoros A. Tsiftsis, Dimitrios. D. Vergados, and Angelos Michalas, "All Cognitive MIMO: A New Multiuser Detection Approach with Different Priorities,"  IEEE Transactions on Wireless Communications, vol. 17, no. 8, pp. 5148 - 5161, Aug. 2018.

32. Nikolaos. I. Miridakis, Minghua Xia and Theodoros A. Tsiftsis, "Optimal Power Allocation and Active Interference Mitigation for Spatial Multiplexed MIMO Cognitive Systems," IEEE Transactions on Vehicular Technology, vol. 67, no. 4, pp. 3349 - 3360, Apr. 2018.

33. Nikolaos. I. Miridakis and Theodoros A. Tsiftsis, "Zero-Forcing Successive Decoding under Nakagami-m Fading Channels," Wireless Personal Communications, vol. 99, no. 1, pp. 273 - 282, Mar. 2018.

34. Alireza Rahmati, Kaamran Raahemifar, Alagan Anpalagan, Theodoros A. Tsiftsis, Paeiz Azmi, and Nikolaos I. Miridakis, "Superposition Modulation based Cooperation for Oversampled OFDM Signals," IEEE Transactions on Communications, vol. 65, no. 11, pp. 4791 - 4802, Nov. 2017.

35. Nikolaos. I. Miridakis, Dimitrios. D. Vergados and Angelos Michalas, "Performance of MRC-Enabled Heterodyne Detection for FSO Systems Under Mixture-Gamma Fading Channels and Pointing Errors," IET Electronics Letters, vol. 53, no. 16, pp. 1156 - 1158, Aug. 2017.

36. Nikolaos. I. Miridakis, Theodoros A. Tsiftsis and Corbett Rowell, "Distributed Spatial Multiplexing Systems withHardware Impairments and Imperfect Channel Estimation under Rank-1 Rician Fading Channels," IEEE Transactions on Vehicular Technology, vol. 66, no. 6, pp. 5122 - 5133, Jun. 2017.

37. Nikolaos. I. Miridakis and Theodoros A. Tsiftsis, "EGC Reception for FSO Systems Under Mixture-Gamma Fading Channels and Pointing Errors," IEEE Communications Letters, vol. 21, no. 6, pp. 1441 - 1444, Jun. 2017.

38. Nikolaos. I. Miridakis and Theodoros A. Tsiftsis, "On the Joint Impact of Hardware Impairments and Imperfect CSI on Successive Decoding," IEEE Transactions on Vehicular Technology, vol. 66, no. 6, pp. 4810 - 4822, Jun. 2017.

39. Nikolaos. I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, and Mérouane Debbah, "Simultaneous Spectrum Sensing and Data Transmission for Cognitive Spatial Multiplexing Distributed Systems," IEEE Transactions on Wireless Communications, vol. 16, no. 5, pp. 3313 - 3327, May 2017.

40. Nikolaos. I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, and Mérouane Debbah, "Green Cognitive Relaying: Opportunistically Switching Between Data Transmission and Energy Harvesting," IEEE Journal on Selected Areas in Communications, vol. 34, no. 12, pp. 3725-3738, Dec. 2016.

41. Nikolaos. I. Miridakis, Dimitrios. D. Vergados, and Angelos Michalas, "Cooperative Spectrum Sharing MIMO Systems with Successive Decoding," Physical Communication, vol. 20, pp. 109-122, Sep. 2016.

42. Nikolaos. I. Miridakis, "On the Ergodic Capacity of Underlay Cognitive Dual-Hop AF Relayed Systems Under Non-Identical Generalized-Fading Channels," IEEE Communications Letters, vol. 19, no. 11, pp. 1965-1968, Nov. 2015.

43. Nikolaos. I. Miridakis, "Performance analysis of EGC receivers over Generalized-K (KG) fading channels," Wireless Personal Communications, vol. 80, no. 1, pp. 167-173, Jan. 2015.

44. Nikolaos. I. Miridakis, Dimitrios. D. Vergados, and Angelos Michalas, "Cooperative relaying in underlay cognitive systems with hardware impairments," AEU-International Journal of Electronics and Communications, vol. 69, no. 12, pp. 1885-1889, Dec. 2015.

45. Nikolaos. I. Miridakis, Dimitrios. D. Vergados, and Angelos Michalas, "Performance Analysis of Successive Decoding based on Shadowing Side Information under Non-Identical Composite Fading/Shadowing Channels," IEEE Transactions on Wireless Communications, vol. 14, no. 9, pp. 4835-4846, Sep. 2015.

46. Nikolaos. I. Miridakis, Dimitrios. D. Vergados, and Angelos Michalas, "Dual-hop Communication over a Satellite Relay and Shadowed Rician Channels," IEEE Transactions on Vehicular Technology, vol. 64, no. 9, pp. 4031-4040, Sep. 2015.

47. Nikolaos. I. Miridakis, "Performance Analysis of V-BLAST Reception under Multiuser Decode-and-Forward Cooperation," IET Communications, vol. 8, no. 6, pp. 899-904, Apr. 2014.

48. Nikolaos. I. Miridakis, Michail Matthaiou, and George K. Karagiannidis, "Multiuser Relaying over Mixed RF/FSO Links," IEEE Transactions on Communications, vol. 62, no. 5, pp. 1634-1645, May 2014.

49. Nikolaos. I. Miridakis and Dimitrios. D. Vergados, "Generalized Diversity Reception in the Presence of Multiple Distinct Interferers: An Outage Performance Analysis," IEEE Transactions on Wireless Communications, vol. 13, no. 5, pp. 2443-2453, May 2014.

50. Nikolaos. I. Miridakis and Dimitrios D. Vergados, "Efficient Detection-Switching based on Successive Interference Cancellation for MIMO-OFDM Systems," IEΤ Signal Processing, vol. 7, no. 5, pp. 436-443, June 2013.

51. Nikolaos. I. Miridakis and Dimitrios D. Vergados, "A Survey on the Successive Interference Cancellation Performance for Single-Antenna and Multiple-Antenna OFDM Systems," IEEE Communications Surveys and Tutorials, vol. 15, no. 1, pp. 312-335, Feb. 2013.

52. Nikolaos. I. Miridakis and Dimitrios D. Vergados, "Performance Analysis of the Ordered V-BLAST Approach over Nakagami-m Fading Channels," IEEE Wireless Communications Letters, vol. 2, no. 1, pp. 18-21, March 2013.

53. Nikolaos. I. Miridakis, Dimitrios. D. Vergados, and Emmanouil. Papadakis, "A Receiver-Centric OFCDM Approach with Subcarrier Grouping," IEEE Communications Letters, vol. 16, no. 6, pp. 761-764, June 2012.

54. Stylianos P. Savaidis and Nikolaos. I. Miridakis, "Statistical Model of Downlink Power Consumption in Cellular CDMA Networks," International Journal of Wireless & Mobile Networks (IJWMN), vol. 3, no. 4, Aug. 2011.

Selected International Conferences & Symposia

1. Stamatia Drampalou, Nikolaos Miridakis and Panagiotis Karkazis, "Simulation of optimal methodologies for channel estimation in a MISO RIS-aided system," Proc. 27th Panhellenic Conf. Informat. (PCI), Lamia, Greece, Nov. 2023.

2. E. Skondras, A. Michalas, D. J. Vergados, E. T. Michailidis, and N. I. Miridakis, “A Network Slicing Algorithm for 5G Vehicular Networks,” in Proc. 12th IEEE International Conference on Information, Intelligence, Systems and Applications (IISA 2021), Crete, Greece, 12-14 July 2021.

3. R. Yao, D. Song, L. Yao, T. A. Tsiftsis, N. I. Miridakis , N. Qi, X. Zuo, and D. Lou, "User Pair-Relay Matching in a Multiple User Pair and Multiple Untrusted Relay Network," WCSP, Nanjing, China, 21-23 Oct. 2020. 

4. N. I. Miridakis , S. Arzykulov , T. A. Tsiftsis, G. Yang, and G. Nauryzbayev, "Green CR-NOMA: A New Interweave Energy Harvesting Transmission Scheme for Secondary Access," ISWCS 2019, Oulu, Finland, 27-30 Aug. 2019. 

5. Nan Qi , Nikolaos I. Miridakis, Theodoros A. Tsiftsis, and Rugui Yao, "On the fundamental queue analysis for relay-assisted two-stage communication networks," IEEE Wireless Communications and Networking Conference (WCNC), Marrakech, Morocco, Apr. 2019.   

6. Hongwu Liu, Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Kyeong Jin Kim, and Kyung Sup Kwak, "Coordinated Uplink Transmission for Cooperative NOMA Systems," IEEE Global Communications Conference (Globecom), Abu Dhabi, UAE, Dec. 2018.

7. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Dimitrios. D. Vergados, and Angelos Michalas, "A New Two-Stage Multiuser MIMO Detection Approach with Different Priorities," IEEE International Conference on Communications (ICC), Kansas, USA, May 2018.

8. Nikolaos I. Miridakis, Theodoros A. Tsiftsis and George C. Alexandropoulos, "Energy Efficient Transmission in Underlay Massive MIMO Systems with Probabilistic Guarantees," IEEE International Conference on Communications (ICC), Kansas, USA, May 2018.

9. Nikolaos. I. Miridakis, Minghua Xia and Theodoros A. Tsiftsis, "Optimal Transmit Power and Active Interference Mitigation of Underlay MIMO Cognitive Systems,"IEEE International Conference on Communications (ICC), Paris, France, May 2017.

10. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, and Mérouane Debbah, "Simultaneous Spectrum Sensing and Data Transmission for Multi-User MIMO Cognitive Radio Systems," IEEE Global Communications Conference (Globecom), Washington D.C., USA, Dec. 2016.

11. Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, and Mérouane Debbah, "Energy Efficient Switching between Data Transmission and Energy Harvesting for Cooperative Cognitive Relaying Systems," IEEE International Conference on Communications (ICC), Kuala Lumpur, Malaysia, May 2016.

12. Nikolaos I. Miridakis, Dimitrios. D. Vergados, and Angelos Michalas, "Cooperative Relaying in Underlay Cognitive Systems with TAS/MRC, Spatial Correlation and Hardware Impairments," IEEE Vehicular Technology Conference (VTC), Boston, USA, Sept. 2015.

13. Nikolaos I. Miridakis, Michail Matthaiou, and George K. Karagiannidis, "Multiuser Dual-Hop Relaying over Hybrid RF/FSO Links," IEEE International Conference on Communications (ICC), Sydney, Australia, June 2014.

14. Nikolaos I. Miridakis and Dimitrios D. Vergados, “Complexity Analysis Of a Hybrid Threshold-Based ZF-MMSE Equalizer For SIC-based MIMO-OFDM Receivers,” ICETE International Conference on Wireless Information Networks and Systems (WINSYS 2011), 18-21 July, 2011, Seville, Spain.

15. Nikolaos I. Miridakis, Vasilios Giotsas, Dimitrios D. Vergados and Christos Douligeris, “A Novel Power-Efficient Middleware Scheme for Sensor Grid Applications,” The Sixth International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness (QSHINE 2009), 22-24 November, 2009, Las Palmas, Spain.

16. Nikolaos I. Miridakis, Dimitrios D. Vergados, Ioannis Anagnostopoulos and Christos Douligeris, “A discussion on proxy-based middleware for Sensor Grid Architectures,” 4th EGEE User Forum/OGF25 & OGF-Europe's 2nd International Event, 2-6 March, 2009, Catania, Sicily, Italy.

17. Nikolaos A. Pantazis, Dimitrios D. Vergados, Nikolaos I. Miridakis, Dimitrios J. Vergados, “Power control schemes in wireless sensor networks for homecare e-health applications,” 1st ACM International Conference on Pervasive Technologies Related to Assistive Environments (PETRA ’08), Athens, Greece, July 16-18, 2008, ACM, New York, NY, Vol. 282, pp. 85/1-8, DOI=http://doi.acm.org/10.1145/1389586.13896.

Theses

• Nikolaos I. Miridakis, Interference Management and Admission Control in Modern Wireless Telecommunication Systems (in Greek), Ph.D. Dissertation, University of Piraeus, Greece, 2012.

• Nikolaos I. Miridakis, Statistical Model of Downlink Power Consumption For WCDMA Networks, M.Sc. Thesis, Kingston University, United Kingdom, 2008.