Multihop communications with fixed-gain relays over generalized fading channels. - George K. Karagiannidis; Dimitris A. Zogas; Nikos C. Sagias; Theodoros A. Tsiftsis; P. Takis Mathiopoulos (GLOBECOM, 2004)

Closed-form bounds for multihop relayed communications in Nakagami-m fading. - George K. Karagiannidis; Theodoros A. Tsiftsis; Ranjan K. Mallik; Nikos C. Sagias; Stavros A. Kotsopoulos (ICC, 2005)

Wireless Transmissions with Combined Gain Relays over Fading Channels. - Theodoros A. Tsiftsis; George K. Karagiannidis; Stavros A. Kotsopoulos (Med-Hoc-Net, 2005)

A closed-form upper-bound for the distribution of the weighted sum of Rayleigh variates. - George K. Karagiannidis; Theodoros A. Tsiftsis; Nikos C. Sagias (IEEE Commun. Lett., 2005)

An Optimized User Selection Method for Cooperative Diversity Systems. - Diomidis S. Michalopoulos; George K. Karagiannidis; Theodoros A. Tsiftsis; Ranjan K. Mallik (GLOBECOM, 2006)

Multihop Free-Space Optical Communications Over Strong Turbulence Channels. - Theodoros A. Tsiftsis; Harilaos G. Sandalidis; George K. Karagiannidis; Nikos C. Sagias (ICC, 2006)

New Results on the Performance Evaluation of the Relay Fading Channel. - Theodoros A. Tsiftsis; George K. Karagiannidis; P. Takis Mathiopoulos (VTC Spring, 2006)

Nonregenerative Dual-Hop Cooperative Links with Selection Diversity. - Theodoros A. Tsiftsis; George K. Karagiannidis; P. Takis Mathiopoulos; Stavros A. Kotsopoulos (EURASIP J. Wirel. Commun. Netw., 2006)

Closed-form statistics for the sum of squared Nakagami-m variates and its applications. - George K. Karagiannidis; Nikos C. Sagias; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2006)

Bounds for multihop relayed communications in nakagami-m fading. - George K. Karagiannidis; Theodoros A. Tsiftsis; Ranjan K. Mallik (IEEE Trans. Commun., 2006)

On the performance analysis of equal-gain diversity receivers over generalized gamma fading channels. - Nikos C. Sagias; George K. Karagiannidis; P. Takis Mathiopoulos; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2006)

Introducing PHY-Layer Fairness in Amplify and Forward Cooperative Diversity Systems. - Diomidis S. Michalopoulos; George K. Karagiannidis; Theodoros A. Tsiftsis (ICC, 2007)

FSO Links with Spatial Diversity over Strong Atmospheric Turbulence Channels. - Theodoros A. Tsiftsis; Harilaos G. Sandalidis; George K. Karagiannidis; Murat Uysal (ICC, 2008)

BER Performance of FSO Links over Strong Atmospheric Turbulence Channels with Pointing Errors. - Harilaos G. Sandalidis; Theodoros A. Tsiftsis; George K. Karagiannidis; Murat Uysal (IEEE Commun. Lett., 2008)

Performance analysis of dual-diversity receivers over correlated generalised Gamma fading channels. - Petros S. Bithas; Nikos C. Sagias; Theodoros A. Tsiftsis (IET Commun., 2008)

Performance analysis of wireless multihop diversity systems. - Diomidis S. Michalopoulos; Theodoros A. Tsiftsis (Int. J. Commun. Syst., 2008)

Performance of wireless multihop communications systems with cooperative diversity over fading channels. - Theodoros A. Tsiftsis (Int. J. Commun. Syst., 2008)

Adaptive generalized selection combining (A-GSC) receivers. - Athanasios S. Lioumpas; George K. Karagiannidis; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2008)

Distributed Transmit Antenna Selection (DTAS) Under Performance or Energy Consumption Constraints. - Diomidis S. Michalopoulos; George K. Karagiannidis; Theodoros A. Tsiftsis; Ranjan K. Mallik (IEEE Trans. Wirel. Commun., 2008)

Effect of Feedback Delay on Downlink Amplify-and-Forward Relaying with Beamforming. - Himal A. Suraweera; Theodoros A. Tsiftsis; George K. Karagiannidis; Michael Faulkner (GLOBECOM, 2009)

EM-Based Maximum-Likelihood Sequence Detection for MIMO Optical Wireless Systems. - Nestor D. Chatzidiamantis; Murat Uysal; Theodoros A. Tsiftsis; George K. Karagiannidis (ICC, 2009)

Performance analysis of free-space optical communication systems over atmospheric turbulence channels. - Hector E. Nistazakis; Theodoros A. Tsiftsis; George S. Tombras (IET Commun., 2009)

Optical wireless links with spatial diversity over strong atmospheric turbulence channels. - Theodoros A. Tsiftsis; Harilaos G. Sandalidis; George K. Karagiannidis; Murat Uysal (IEEE Trans. Wirel. Commun., 2009)

Average Spectral Efficiency of Opportunistic QRD-Based Cyclic Prefixed Single-Carrier Cooperative Diversity Systems with Power Allocation. - Kyeong Jin Kim; Theodoros A. Tsiftsis; George K. Karagiannidis (GLOBECOM, 2010)

Amplify-And-Forward MIMO Relaying with OSTBC over Nakagami-m Fading Channels. - Trung Quang Duong; Hans-Jürgen Zepernick; Theodoros A. Tsiftsis; Vo Nguyen Quoc Bao (ICC, 2010)

Performance analysis of amplify-and-forward MIMO relay networks with transmit antenna selection over Nakagami-m channels. - Trung Quang Duong; Hans-Jürgen Zepernick; Theodoros A. Tsiftsis; Vo Nguyen Quoc Bao (PIMRC, 2010)

Average rate and outage probability of cyclic prefixed single-carrier opportunistic cooperative diversity systems. - Kyeong Jin Kim; Theodoros A. Tsiftsis; George K. Karagiannidis (PIMRC, 2010)

Performance Analysis of Cyclically Prefixed Single-Carrier Transmissions With Outdated Opportunistic User Selection. - Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE Signal Process. Lett., 2010)

OSTBC Transmission in MIMO AF Relay Systems with Keyhole and Spatial Correlation Effects. - Trung Quang Duong; Himal A. Suraweera; Theodoros A. Tsiftsis; Hans-Jürgen Zepernick; Arumugam Nallanathan (ICC, 2011)

Probability of early detection of ultra-wideband positioning sensor networks. - T. Hazim; George K. Karagiannidis; Theodoros A. Tsiftsis (IET Wirel. Sens. Syst., 2011)

Orthogonal Space-Time Block Codes With CSI-Assisted Amplify-and-Forward Relaying in Correlated Nakagami- Fading Channels. - Trung Quang Duong; George C. Alexandropoulos; Hans-Jürgen Zepernick; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2011)

On the Performance of Cyclic-Prefixed Single-Carrier Cellular Systems in Cochannel Interference. - Kyeong Jin Kim; Yongzhao Li; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2011)

Performance Analysis of QRD-Based Cyclically Prefixed Single-Carrier Transmissions With Opportunistic Scheduling. - Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2011)

Semiblind Iterative Receiver for Coded MIMO-OFDM Systems. - Kyeong Jin Kim; Theodoros A. Tsiftsis; Robert Schober (IEEE Trans. Veh. Technol., 2011)

Effect of Feedback Delay on Amplify-and-Forward Relay Networks With Beamforming. - Himal A. Suraweera; Theodoros A. Tsiftsis; George K. Karagiannidis; Arumugam Nallanathan (IEEE Trans. Veh. Technol., 2011)

On the Performance of Cyclic Prefix-Based Single-Carrier Cooperative Diversity Systems with Best Relay Selection. - Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2011)

Power Allocation in Cyclic Prefixed Single-Carrier Relaying Systems. - Kyeong Jin Kim; Theodoros A. Tsiftsis; H. Vincent Poor (IEEE Trans. Wirel. Commun., 2011)

Noncoherent relay selection for bidirectional cooperative networks. - Mehdi Seyfi; Sami Muhaidat; Jie Liang 001; Theodoros A. Tsiftsis (GLOBECOM Workshops, 2012)

Cooperative wireless personal area network systems with partial best relay selection. - Theodoros A. Tsiftsis; Kyeong Jin Kim; Kyung Sup Kwak (Trans. Emerg. Telecommun. Technol., 2012)

Outage and Diversity of Cognitive Relaying Systems under Spectrum Sharing Environments in Nakagami-m Fading. - Trung Quang Duong; Daniel Benevides da Costa; Theodoros A. Tsiftsis; Caijun Zhong; Arumugam Nallanathan (IEEE Commun. Lett., 2012)

Keyhole Effect in Dual-Hop MIMO AF Relay Transmission with Space-Time Block Codes. - Trung Quang Duong; Himal A. Suraweera; Theodoros A. Tsiftsis; Hans-Jürgen Zepernick; Arumugam Nallanathan (IEEE Trans. Commun., 2012)

A Novel Distributed Antenna Selection Scheme for Fixed-Gain Amplify-and-Forward Relaying Systems. - Haiyang Ding; Jianhua Ge; Daniel Benevides da Costa; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2012)

Cognitive cooperative networks in dual-hop asymmetric fading channels. - Trung Quang Duong; Tran Trung Duy; Michail Matthaiou; Theodoros A. Tsiftsis; George K. Karagiannidis (GLOBECOM, 2013)

Best relay selection in cooperative spectrum sharing systems with multiple primary users. - F. Rafael V. Guimaraes; Daniel Benevides da Costa; Mustapha Benjillali; Theodoros A. Tsiftsis; George K. Karagiannidis (ICC, 2013)

Cognitive multihop networks in spectrum sharing environment with multiple licensed users. - Kyeong Jin Kim; Trung Quang Duong; Theodoros A. Tsiftsis; Vo Nguyen Quoc Bao (ICC, 2013)

The η-μ/IG distribution: A novel physical multipath/shadowing fading model. - Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Mounir Ghogho; Leif R. Wilhelmsson; Mikko Valkama (ICC, 2013)

Free-space optical communications with generalized pointing errors. - Fan Yang 055; Julian Cheng; Theodoros A. Tsiftsis (ICC, 2013)

The kappa-#181;/Ig Composite Statistical Distribution in RF and FSO Wireless Channels. - Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Khuong Ho-Van; Steven Freear; Leif R. Wilhelmsson; Mikko Valkama (VTC Fall, 2013)

Distributed orthogonal space??time block coding in wireless relay networks. - Hoc Phan; Trung Quang Duong; Hans-Jürgen Zepernick; Theodoros A. Tsiftsis (IET Commun., 2013)

Energy Detection Based Spectrum Sensing Over κ-μ and κ-μ Extreme Fading Channels. - Paschalis C. Sofotasios; Eric Rebeiz; Li Zhang 011; Theodoros A. Tsiftsis; Danijela Cabric; Steven Freear (IEEE Trans. Veh. Technol., 2013)

Analytic solutions to a Marcum Q-function-based integral and application in energy detection of unknown signals over multipath fading channels. - Paschalis C. Sofotasios; Mikko Valkama; Theodoros A. Tsiftsis; Yury A. Brychkov; Steven Freear; George K. Karagiannidis (CrownCom, 2014)

Inter-band carrier aggregation in heterogeneous networks: Design and assessment. - Georgia D. Ntouni; Alexandros-Apostolos A. Boulogeorgos; Dimitrios S. Karas; Theodoros A. Tsiftsis; Fotis Foukalas; Vasilios M. Kapinas; George K. Karagiannidis (ISWCS, 2014)

Cooperative spectrum sharing systems with relay selection in the presence of multiple primary receivers. - Francisco Rafael Vasconcelos Guimarães; Daniel Benevides da Costa; Mustapha Benjillali; Theodoros A. Tsiftsis; George K. Karagiannidis (IET Commun., 2014)

Free-Space Optical Communication with Nonzero Boresight Pointing Errors. - Fan Yang 055; Julian Cheng; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2014)

Analytic Expressions and Bounds for Special Functions and Applications in Communication Theory. - Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Yury A. Brychkov; Steven Freear; Mikko Valkama; George K. Karagiannidis (IEEE Trans. Inf. Theory, 2014)

Error-Rate Performance Analysis of Cooperative OFDMA System With Decode-and-Forward Relaying. - Muhammad Mehboob Fareed; Murat Uysal; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2014)

Multiuser and Multirelay Cognitive Radio Networks Under Spectrum-Sharing Constraints. - F. Rafael V. Guimaraes; Daniel Benevides da Costa; Theodoros A. Tsiftsis; Charles Casimiro Cavalcante; George K. Karagiannidis (IEEE Trans. Veh. Technol., 2014)

AUC study of energy detection based spectrum sensing over η-μ and α-μ fading channels. - Alireza Bagheri; Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Ali Shahzadi; Mikko Valkama (ICC, 2015)

Spectrum sensing in generalized multipath fading conditions using square-law combining. - Alireza Bagheri; Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Ali Shahzadi; Mikko Valkama (ICC, 2015)

Performance of FSO links under exponentiated Weibull turbulence fading with misalignment errors. - Prabhat Kumar Sharma; Ankur Bansal; Parul Garg; Theodoros A. Tsiftsis; Ricardo Barrios (ICC, 2015)

Wireless powered dual-hop multiple antenna relay transmission in the presence of interference. - Guangxu Zhu; Caijun Zhong; Himal A. Suraweera; George K. Karagiannidis; Zhaoyang Zhang 001; Theodoros A. Tsiftsis (ICC, 2015)

Licensed Assisted Access: Key enabling functionalities and initial results. - Apostolos Galanopoulos; Theodoros A. Tsiftsis; Fotis Foukalas (ISWCS, 2015)

Area under ROC curve of energy detection over generalized fading channels. - Alireza Bagheri; Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Ali Shahzadi; Steven Freear; Mikko Valkama (PIMRC, 2015)

Analytic Solutions to a Useful Marcum $Q{-}$Function Based Integral. - Paschalis C. Sofotasios; Mikko Valkama; Theodoros A. Tsiftsis; Yury A. Brychkov; Steven Freear; George K. Karagiannidis (CoRR, 2015)

Wireless Information and Power Transfer in Relay Systems With Multiple Antennas and Interference. - Guangxu Zhu; Caijun Zhong; Himal A. Suraweera; George K. Karagiannidis; Zhaoyang Zhang 001; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2015)

Simultaneous Spectrum Sensing and Data Transmission for Multi-User MIMO Cognitive Radio Systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; George C. Alexandropoulos; Mérouane Debbah (GLOBECOM, 2016)

Energy efficient switching between data transmission and energy harvesting for cooperative cognitive relaying systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; George C. Alexandropoulos; Mérouane Debbah (ICC, 2016)

A closed-form solution to implement interference alignment and cancellation scheme for the MIMO three-user X-channel model. - Galymzhan Nauryzbayev; Sultangali Arzykulov; Emad Alsusa; Theodoros A. Tsiftsis (ICSPCS, 2016)

An alignment-based interference cancellation scheme for network-MIMO systems. - Galymzhan Nauryzbayev; Sultangali Arzykulov; Emad Alsusa; Theodoros A. Tsiftsis (ICSPCS, 2016)

On the energy efficiency in multi-user multi-relay coded network. - Nan Qi; Ming Xiao 001; Theodoros A. Tsiftsis; Phuong Le Cao; Mikael Skoglund; Lixin Li (ICT, 2016)

Energy detection based spectrum sensing over enriched multipath fading channels. - Alireza Bagheri; Paschalis C. Sofotasios; Theodoros A. Tsiftsis; Khuong Ho-Van; Michael I. Loupis; Steven Freear; Mikko Valkama (WCNC, 2016)

Hierarchical Resource Allocation Framework for Hyper-Dense Small Cell Networks. - Junfei Qiu; Guoru Ding; Qihui Wu 001; Zuping Qian; Theodoros A. Tsiftsis; Zhiyong Du; Youming Sun (IEEE Access, 2016)

A Joint Tensor Completion and Prediction Scheme for Multi-Dimensional Spectrum Map Construction. - Mengyun Tang; Guoru Ding; Qihui Wu 001; Zhen Xue; Theodoros A. Tsiftsis (IEEE Access, 2016)

Efficient Coded Cooperative Networks with Energy Harvesting and Wireless Power Transfer. - Nan Qi; Ming Xiao 001; Theodoros A. Tsiftsis; Mikael Skoglund; Huisheng Zhang (CoRR, 2016)

Cellular-Base-Station-Assisted Device-to-Device Communications in TV White Space. - Guoru Ding; Jinlong Wang 001; Qihui Wu 001; Yu-Dong Yao; Fei Song 004; Theodoros A. Tsiftsis (IEEE J. Sel. Areas Commun., 2016)

Green Cognitive Relaying: Opportunistically Switching Between Data Transmission and Energy Harvesting. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; George C. Alexandropoulos; Mérouane Debbah (IEEE J. Sel. Areas Commun., 2016)

Guest Editorial Spectrum Sharing and Aggregation for Future Wireless Networks, Part I. - Theodoros A. Tsiftsis; Guoru Ding; Yulong Zou; George K. Karagiannidis; Zhu Han 001; Lajos Hanzo (IEEE J. Sel. Areas Commun., 2016)

Guest Editorial Spectrum Sharing and Aggregation for Future Wireless Networks, Part II. - Theodoros A. Tsiftsis; Guoru Ding; Yulong Zou; George K. Karagiannidis; Zhu Han 001; Lajos Hanzo (IEEE J. Sel. Areas Commun., 2016)

Efficient Coexistence of LTE With WiFi in the Licensed and Unlicensed Spectrum Aggregation. - Apostolos Galanopoulos; Fotis Foukalas; Theodoros A. Tsiftsis (IEEE Trans. Cogn. Commun. Netw., 2016)

Secrecy Performance of Wirelessly Powered Wiretap Channels. - Xin Jiang 009; Caijun Zhong; Xiaoming Chen 001; Trung Quang Duong; Theodoros A. Tsiftsis; Zhaoyang Zhang 001 (IEEE Trans. Commun., 2016)

Energy-Efficient Cooperative Network Coding With Joint Relay Scheduling and Power Allocation. - Nan Qi; Ming Xiao 001; Theodoros A. Tsiftsis; Mikael Skoglund; Phuong Le Cao; Lixin Li (IEEE Trans. Commun., 2016)

Achievable Channel Cutoff Rate and Bandwidth Efficiency in Indoor Wireless Environments. - Indrakshi Dey; Theodoros A. Tsiftsis; Corbett Rowell (IEEE Trans. Veh. Technol., 2016)

On the Higher Order Statistics of the Channel Capacity in Dispersed Spectrum Cognitive Radio Systems Over Generalized Fading Channels. - Theodoros A. Tsiftsis; Fotis Foukalas; George K. Karagiannidis; Tamer Khattab (IEEE Trans. Veh. Technol., 2016)

On the Capacity of Wireless Powered Cognitive Relay Network with Interference Alignment. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Mohamed M. Abdallah 001 (GLOBECOM, 2017)

Performance analysis of uplink sparse code multiple access with iterative multiuser receiver. - Jinchen Bao; Zheng Ma 001; Ming Xiao 001; Theodoros A. Tsiftsis; Zhongliang Zhu (ICC, 2017)

Optimal transmit power and active interference mitigation of underlay MIMO cognitive systems. - Nikolaos I. Miridakis; Minghua Xia; Theodoros A. Tsiftsis (ICC, 2017)

Efficient network-coded relaying systems with energy harvesting and transferring. - Nan Qi; Ming Xiao 001; Theodoros A. Tsiftsis; Lin Zhang 022; Mikael Skoglund; Huisheng Zhang (ICC, 2017)

Resource allocation for energy harvesting-powered D2D communications underlaying cellular networks. - Haichao Wang 001; Guoru Ding; Jinlong Wang 001; Le Wang 004; Theodoros A. Tsiftsis; Prabhat Kumar Sharma (ICC, 2017)

Error performance of wireless powered cognitive relay networks with interference alignment. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Mohamed M. Abdallah 001 (PIMRC, 2017)

Underlay Cognitive Relaying System Over α-μ Fading Channels. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis (IEEE Commun. Lett., 2017)

EGC Reception for FSO Systems Under Mixture-Gamma Fading Channels and Pointing Errors. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Commun. Lett., 2017)

Relayed FSO communication with aperture averaging receivers and misalignment errors. - Prabhat Kumar Sharma; Ankur Bansal; Parul Garg; Theodoros A. Tsiftsis; Ricardo Barrios (IET Commun., 2017)

Guest Editorial Spectrum Sharing and Aggregation for Future Wireless Networks, Part III. - Theodoros A. Tsiftsis; Guoru Ding; Yulong Zou; George K. Karagiannidis; Zhu Han 001; Lajos Hanzo (IEEE J. Sel. Areas Commun., 2017)

Superposition Modulation-Based Cooperation for Oversampled OFDM Signals. - Alireza Rahmati; Kaamran Raahemifar; Alagan Anpalagan; Theodoros A. Tsiftsis; Paeiz Azmi; Nikolaos I. Miridakis (IEEE Trans. Commun., 2017)

Resource Allocation for Licensed/Unlicensed Carrier Aggregation MIMO Systems. - Christos G. Tsinos; Fotis Foukalas; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2017)

Maximizing Spectral Efficiency for Energy Harvesting-Aware WBAN. - Hamed Mosavat-Jahromi; Behrouz Maham; Theodoros A. Tsiftsis (IEEE J. Biomed. Health Informatics, 2017)

Secrecy Performance of Finite-Sized Cooperative Full-Duplex Relay Systems With Unreliable Backhauls. - Hongwu Liu; Kyeong Jin Kim; Theodoros A. Tsiftsis; Kyung Sup Kwak; H. Vincent Poor (IEEE Trans. Signal Process., 2017)

Robust Online Spectrum Prediction With Incomplete and Corrupted Historical Observations. - Guoru Ding; Fan Wu 006; Qihui Wu 001; Shaojie Tang 001; Fei Song 004; Athanasios V. Vasilakos; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2017)

On the Joint Impact of Hardware Impairments and Imperfect CSI on Successive Decoding. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2017)

Distributed Spatial Multiplexing Systems With Hardware Impairments and Imperfect Channel Estimation Under Rank-1 Rician Fading Channels. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Corbett Rowell (IEEE Trans. Veh. Technol., 2017)

A Comprehensive Framework for Spectrum Sensing in Non-Linear and Generalized Fading Conditions. - Paschalis C. Sofotasios; Alireza Bagheri; Theodoros A. Tsiftsis; Steven Freear; Ali Shahzadi; Mikko Valkama (IEEE Trans. Veh. Technol., 2017)

Low Complexity Resource Allocation for Massive Carrier Aggregation. - Stelios Stefanatos; Fotis Foukalas; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2017)

Simultaneous Spectrum Sensing and Data Reception for Cognitive Spatial Multiplexing Distributed Systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; George C. Alexandropoulos; Mérouane Debbah (IEEE Trans. Wirel. Commun., 2017)

Efficient Coded Cooperative Networks With Energy Harvesting and Transferring. - Nan Qi; Ming Xiao 001; Theodoros A. Tsiftsis; Lin Zhang 022; Mikael Skoglund; Huisheng Zhang (IEEE Trans. Wirel. Commun., 2017)

On the Diversity of Hybrid Narrowband-PLC/Wireless Communications for Smart Grids. - Mostafa Sayed; Theodoros A. Tsiftsis; Naofal Al-Dhahir (IEEE Trans. Wirel. Commun., 2017)

Spectrum Sensing using Improved Energy Detector under Transceiver Hardware Impairments. - Leila Tlebaldiyeva; Theodoros A. Tsiftsis; Behrouz Maham (DySPAN, 2018)

Outage Performance of Underlay CR-NOMA Networks with Detect-and-Forward Relaying. - Sultangali Arzykulov; Theodoros A. Tsiftsis; Galymzhan Nauryzbayev; Mohamed M. Abdallah 001; Guanghua Yang (GLOBECOM, 2018)

Coordinated Uplink Transmission for Cooperative NOMA Systems. - Hongwu Liu; Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Kyeong Jin Kim; Kyung Sup Kwak (GLOBECOM, 2018)

Energy Efficient Transmission in Underlay Massive MIMO Systems with Probabilistic Guarantees. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; George C. Alexandropoulos (ICC Workshops, 2018)

A New Two-Stage Multiuser MIMO Detection Approach with Different Priorities. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Dimitrios D. Vergados; Angelos Michalas (ICC Workshops, 2018)

Performance of Cooperative Underlay CR-NOMA Networks over Nakagami-m Channels. - Galymzhan Nauryzbayev; Sultangali Arzykulov; Theodoros A. Tsiftsis; Mohamed M. Abdallah 001 (ICC Workshops, 2018)

Resource Allocation for Energy-Efficient NOMA Network Based on Super-Modular Game. - Ruisong Wang; Gongliang Liu; Haijun Zhang 001; Wenjing Kang; Theodoros A. Tsiftsis; Victor C. M. Leung (ICC Workshops, 2018)

Outage Performance of Underlay CR-NOMA Networks. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Mohamed M. Abdallah 001 (WCSP, 2018)

A New Interweave Cognitive Radio Scheme for Out-Band Energy Harvesting Systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Access, 2018)

Device-to-Device Communications Underlying UAV-Supported Social Networking. - Zhen Xue; Jinlong Wang 001; Guoru Ding; Qihui Wu 001; Yun Lin 005; Theodoros A. Tsiftsis (IEEE Access, 2018)

Secrecy Rate-Optimum Energy Splitting for an Untrusted and Energy Harvesting Relay Network. - Rugui Yao; Yanan Lu; Theodoros A. Tsiftsis; Nan Qi; Tamer Mekkawy; Fei Xu (IEEE Access, 2018)

An Amateur Drone Surveillance System Based on the Cognitive Internet of Things. - Guoru Ding; Qihui Wu 001; Linyuan Zhang; Yun Lin 005; Theodoros A. Tsiftsis; Yu-Dong Yao (IEEE Commun. Mag., 2018)

Outage and BER performances of indoor relay-assisted hybrid RF/VLC systems. - Mustafa Namdar; Arif Basgumus; Theodoros A. Tsiftsis; Ahmet Altuncu (IET Commun., 2018)

Capacity and outage probability analysis of asymmetric dual-hop RF-FSO communication systems. - Vineeth Palliyembil; Jagadeesh Vellakudiyan; Palanivel Muthuchidamdaranathan; Theodoros A. Tsiftsis (IET Commun., 2018)

Multiple Antennas Secure Transmission Under Pilot Spoofing and Jamming Attack. - Hui-Ming Wang 001; Ke-Wen Huang; Theodoros A. Tsiftsis (IEEE J. Sel. Areas Commun., 2018)

Outage probability of non-orthogonal multiple access with partial relay selection over Nakagami-m fading channels. - Rinat Yakupov; Theodoros A. Tsiftsis (Phys. Commun., 2018)

On the Performance of Wireless Powered Cognitive Relay Network With Interference Alignment. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Mohamed M. Abdallah 001 (IEEE Trans. Commun., 2018)

Bit-Interleaved Coded SCMA With Iterative Multiuser Detection: Multidimensional Constellations Design. - Jinchen Bao; Zheng Ma 001; Ming Xiao 001; Theodoros A. Tsiftsis; Zhongliang Zhu (IEEE Trans. Commun., 2018)

An Improved Energy Detector for Mobile Cognitive Users Over Generalized Fading Channels. - Lokesh Gahane; Prabhat Kumar Sharma; Neeraj Varshney; Theodoros A. Tsiftsis; Preetam Kumar (IEEE Trans. Commun., 2018)

Base Station Cooperation in Millimeter Wave Cellular Networks: Performance Enhancement of Cell-Edge Users. - Hui-Ming Wang 001; Ke-Wen Huang; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2018)

Cooperative Secure Transmission by Exploiting Social Ties in Random Networks. - Hui-Ming Wang 001; Yiming Xu; Ke-Wen Huang; Zhu Han 001; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2018)

Energy Efficient Power Allocation for Carrier Aggregation in Heterogeneous Networks: Partial Feedback and Circuit Power Consumption. - Fotis Foukalas; Theodoros A. Tsiftsis (IEEE Trans. Green Commun. Netw., 2018)

MIMO Underlay Cognitive Radio: Optimized Power Allocation, Effective Number of Transmit Antennas and Harvest-Transmit Tradeoff. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; George C. Alexandropoulos (IEEE Trans. Green Commun. Netw., 2018)

Resource Allocation for Energy Harvesting-Powered D2D Communication Underlaying UAV-Assisted Networks. - Haichao Wang 001; Jinlong Wang 001; Guoru Ding; Le Wang 004; Theodoros A. Tsiftsis; Prabhat Kumar Sharma (IEEE Trans. Green Commun. Netw., 2018)

Joint Beamforming Alignment With Suboptimal Power Allocation for a Two-Way Untrusted Relay Network. - Tamer Mekkawy; Rugui Yao; Theodoros A. Tsiftsis; Fei Xu; Yanan Lu (IEEE Trans. Inf. Forensics Secur., 2018)

On the Distribution of the Received Signal Power in Mobile Networks: A Moment-Based Approach. - Jesús López-Fernández; Eduardo Martos-Naya; Francisco Javier López-Martínez; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2018)

Optimal Power Allocation and Active Interference Mitigation for Spatial Multiplexed MIMO Cognitive Systems. - Nikolaos I. Miridakis; Minghua Xia; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2018)

Super-Modular Game-Based User Scheduling and Power Allocation for Energy-Efficient NOMA Network. - Gongliang Liu; Ruisong Wang; Haijun Zhang 001; Wenjing Kang; Theodoros A. Tsiftsis; Victor C. M. Leung (IEEE Trans. Wirel. Commun., 2018)

All Cognitive MIMO: New Multiuser Detection Approach With Different Priorities. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Dimitrios D. Vergados; Angelos Michalas (IEEE Trans. Wirel. Commun., 2018)

Zero-Forcing Successive Decoding Under Nakagami-m Fading Channels. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis (Wirel. Pers. Commun., 2018)

Outage Analysis of Distributed CDD Systems with Mixture Interference. - Kyeong Jin Kim; Hongwu Liu; Marco Di Renzo; Theodoros A. Tsiftsis; Philip V. Orlik; H. Vincent Poor (ICC, 2019)

Rate Splitting for Asynchronous Uplink NOMA Systems with Cyclic Prefixed Single Carrier. - Hongwu Liu; Theodoros A. Tsiftsis; Kyeong Jin Kim; Kyung Sup Kwak; H. Vincent Poor (ICC Workshops, 2019)

Secrecy Performance of Hybrid Satellite-Terrestrial Relay Systems with Hardware Impairments. - Hang Wu; Yulong Zou; Jia Zhu 001; Xiaochan Xue; Theodoros A. Tsiftsis (ICC, 2019)

Effective Capacity Analysis for VR-HARQ Systems. - Zheng Shi 001; Theodoros A. Tsiftsis; Weiqiang Tan; Guanghua Yang; Shaodan Ma; Mohamed-Slim Alouini (ICCC, 2019)

Wireless Powered Cognitive Cooperative Networks: Outage Performance. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Behrouz Maham; Theodoros A. Tsiftsis; Khaled M. Rabie (ICSPCS, 2019)

Green CR-NOMA: A New Interweave Energy Harvesting Transmission Scheme for Secondary Access. - Nikolaos I. Miridakis; Sultangali Arzykulov; Theodoros A. Tsiftsis; Guanghua Yang; Galymzhan Nauryzbayev (ISWCS, 2019)

On the Fundamental Queue Analysis for Relay-assisted Two-stage Communication Networks. - Nan Qi; Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Rugui Yao (WCNC Workshops, 2019)

Leveraging on the Impact of Imperfect Channel Estimation for MIMO Relaying Systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang (IEEE Access, 2019)

OFDM Signal Recovery in Deep Faded Erasure Channel. - Alireza Rahmati; Kaamran Raahemifar; Theodoros A. Tsiftsis; Alagan Anpalagan; Paeiz Azmi (IEEE Access, 2019)

Performance Analysis of Improved Energy Detector With Hardware Impairments for Accurate Spectrum Sensing. - Leila Tlebaldiyeva; Theodoros A. Tsiftsis; Behrouz Maham (IEEE Access, 2019)

Impact of Hardware Impairments on Outage Performance of Hybrid Satellite-Terrestrial Relay Systems. - Hang Wu; Yulong Zou; Weifeng Cao; Zhong Chen; Theodoros A. Tsiftsis; Manav R. Bhatnagar; Rodrigo C. de Lamare (IEEE Access, 2019)

Channel Estimation for Wireless Communication Systems Assisted by Large Intelligent Surfaces. - Junliang Lin; Gongpu Wang; Rongfei Fan; Theodoros A. Tsiftsis; Chintha Tellambura (CoRR, 2019)

Outage Performance of Cooperative Underlay CR-NOMA With Imperfect CSI. - Sultangali Arzykulov; Theodoros A. Tsiftsis; Galymzhan Nauryzbayev; Mohamed M. Abdallah 001 (IEEE Commun. Lett., 2019)

Device-to-Device mmWave Communication in the Presence of Interference and Hardware Distortion Noises. - Leila Tlebaldiyeva; Behrouz Maham; Theodoros A. Tsiftsis (IEEE Commun. Lett., 2019)

Secure Beamforming for Cooperative Wireless-Powered Networks With Partial CSI. - Haiyan Guo; Zhen Yang 001; Yulong Zou; Theodoros A. Tsiftsis; Manav R. Bhatnagar; Rodrigo C. de Lamare (IEEE Internet Things J., 2019)

Guest Editorial Spatial Modulation in Emerging Wireless Systems. - Kyeong Jin Kim; Miaowen Wen; Marco Di Renzo; Theodoros A. Tsiftsis; Kwang-Cheng Chen; Naofal Al-Dhahir (IEEE J. Sel. Areas Commun., 2019)

A Survey on Spatial Modulation in Emerging Wireless Systems: Research Progresses and Applications. - Miaowen Wen; Beixiong Zheng; Kyeong Jin Kim; Marco Di Renzo; Theodoros A. Tsiftsis; Kwang-Cheng Chen; Naofal Al-Dhahir (IEEE J. Sel. Areas Commun., 2019)

Dual-Polarized Spatial Media-Based Modulation. - Xuan Chen 001; Miaowen Wen; Qiang Li 020; Yik-Chung Wu; Theodoros A. Tsiftsis (IEEE J. Sel. Top. Signal Process., 2019)

Secure Users Oriented Downlink MISO NOMA. - Hui-Ming Wang 001; Xu Zhang 031; Qian Yang 001; Theodoros A. Tsiftsis (IEEE J. Sel. Top. Signal Process., 2019)

Multihop DF Relaying in NB-PLC System Over Rayleigh Fading and Bernoulli-Laplacian Noise. - Neelima Agrawal; Prabhat Kumar Sharma; Theodoros A. Tsiftsis (IEEE Syst. J., 2019)

Novel Data Pre-Distorter for APSK Signals in Solid-State Power Amplifiers. - Maria Jesus Canavate Sanchez; Andrea Segneri; Savvas A. Kosmopoulos; Qiuming Zhu; Theodoros A. Tsiftsis; Apostolos Georgiadis; George Goussetis (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

On the Outage of Underlay CR-NOMA Networks With Detect-and-Forward Relaying. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Behrouz Maham; Mohamed M. Abdallah 001 (IEEE Trans. Cogn. Commun. Netw., 2019)

On the Performance of LMS Communication With Hardware Impairments and Interference. - Kefeng Guo; Min Lin 001; Bangning Zhang; Wei-Ping Zhu 001; Jun-Bo Wang; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2019)

Joint Power and Bandwidth Allocation for Energy-Efficient Heterogeneous Cellular Networks. - Yuhan Jiang; Yulong Zou; Haiyan Guo; Theodoros A. Tsiftsis; Manav R. Bhatnagar; Rodrigo C. de Lamare; Yu-Dong Yao (IEEE Trans. Commun., 2019)

Wireless Security Employing Opportunistic Relays and an Adaptive Encoder Under Outdated CSI and Dual-Correlated Nakagami- $m$ Fading. - Khoa N. Le; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2019)

Effective Capacity for Renewal Service Processes With Applications to HARQ Systems. - Zheng Shi 001; Theodoros A. Tsiftsis; Weiqiang Tan; Guanghua Yang; Shaodan Ma; Mohamed-Slim Alouini (IEEE Trans. Commun., 2019)

Performance Analysis of Underlay Cognitive Radio Nonorthogonal Multiple Access Networks. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Behrouz Maham (IEEE Trans. Veh. Technol., 2019)

Zero Forcing Detection for Short Packet Transmission Under Channel Estimation Errors. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Hui-Ming Wang 001 (IEEE Trans. Veh. Technol., 2019)

Energy Efficient Two-Tier Network-Coded Relaying Systems Considering Processing Energy Costs. - Nan Qi; Ming Xiao 001; Theodoros A. Tsiftsis; Rugui Yao; Shahid Mumtaz (IEEE Trans. Veh. Technol., 2019)

Distributed Cyclic Delay Diversity Systems With Spatially Distributed Interferers. - Kyeong Jin Kim; Marco Di Renzo; Hongwu Liu; Theodoros A. Tsiftsis; Philip V. Orlik; H. Vincent Poor (IEEE Trans. Wirel. Commun., 2019)

Message-Passing Receiver Design for Joint Channel Estimation and Data Decoding in Uplink Grant-Free SCMA Systems. - Fan Wei; Wen Chen 001; Yongpeng Wu 001; Jun Ma 031; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2019)

Deep Neural Network Assisted Approach for Antenna Selection in Untrusted Relay Networks. - Rugui Yao; Yuxin Zhang; Shengyao Wang; Nan Qi; Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Wirel. Commun. Lett., 2019)

Hardware-Limited Cooperative SWIPT-enabled NOMA Networks. - Orken Omarov; Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis (CSNDSP, 2020)

Underlay Spectrum Sharing for NOMA Relaying Networks: Outage Analysis. - Sultangali Arzykulov; Galymzhan Nauryzbayev; Theodoros A. Tsiftsis; Behrouz Maham; Mohammad S. Hashmi; Khaled M. Rabie (ICNC, 2020)

Energy-efficient Two-Way Full-duplex UAV Relaying Networks With Imperfect Channel State Information*. - Nan Qi; Mei Wang; Wei Wang 288; Wen-Jing Wang 002; Theodoros A. Tsiftsis; Rugui Yao; Guanghua Yang (VTC Fall, 2020)

User Pair-Relay Matching in a Multiple User Pair and Multiple Untrusted Relay Network*. - Rugui Yao; Doudou Song; Lukun Yao; Theodoros A. Tsiftsis; Nikolaos I. Miridakis; Nan Qi; Xiaoya Zuo; Danian Lou (WCSP, 2020)

Energy Efficient Full-Duplex UAV Relaying Networks Under Load-Carry-and-Delivery Scheme. - Nan Qi; Mei Wang; Wen-Jing Wang 002; Theodoros A. Tsiftsis; Rugui Yao; Guanghua Yang (IEEE Access, 2020)

A Spectrum Efficient Constellation to Simultaneously Transmit Information and Synchronization Sequence. - Rugui Yao; Yuan Zhang; Qihong Wu; Theodoros A. Tsiftsis; Nan Qi; Xiaoya Zuo; Shuxia Guo (IEEE Access, 2020)

Is Backscatter Link Stronger than Direct Link in Reconfigurable Intelligent Surface-Assisted System? - Wenjing Zhao; Gongpu Wang; Saman Atapattu; Theodoros A. Tsiftsis; Chintha Tellambura (IEEE Commun. Lett., 2020)

Feature-oriented channel estimation in reconfigurable intelligent surface-assisted wireless communication systems. - Junliang Lin; Gongpu Wang; Rongfei Fan; Yulong Zou; Theodoros A. Tsiftsis; Chintha Tellambura (IET Commun., 2020)

Zero-Forcing-Based Downlink Virtual MIMO-NOMA Communications in IoT Networks. - Zheng Shi 001; Hong Wang 011; Yaru Fu; Guanghua Yang; Shaodan Ma; Fen Hou; Theodoros A. Tsiftsis (IEEE Internet Things J., 2020)

Reconfigurable Intelligent Surface Assisted Two-Way Communications: Performance Analysis and Optimization. - Saman Atapattu; Rongfei Fan; Prathapasinghe Dharmawansa; Gongpu Wang; Jamie S. Evans; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2020)

Energy Efficient Beamforming Schemes for Satellite-Aerial-Terrestrial Networks. - Qingquan Huang; Min Lin 001; Jun-Bo Wang; Theodoros A. Tsiftsis; Jiangzhou Wang (IEEE Trans. Commun., 2020)

Traffic-Aware Two-Stage Queueing Communication Networks: Queue Analysis and Energy Saving. - Nan Qi; Nikolaos I. Miridakis; Ming Xiao 001; Theodoros A. Tsiftsis; Rugui Yao; Shi Jin 002 (IEEE Trans. Commun., 2020)

Feedback-Based SSK Modulation: Constellation Design and Performance Results. - Ugrasen Singh; Manav R. Bhatnagar; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2020)

Physical Layer Security for Multiuser Satellite Communication Systems With Threshold-Based Scheduling Scheme. - Kefeng Guo; Kang An 001; Bangning Zhang; Yuzhen Huang 001; Xiaogang Tang; Gan Zheng; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2020)

Power-Time Splitting-Based Non-Linear Energy Harvesting in FD Short-Packet Communications. - Prasanna Raut; Prabhat Kumar Sharma; Theodoros A. Tsiftsis; Yulong Zou (IEEE Trans. Veh. Technol., 2020)

Capacity Analysis of Device-to-Device mmWave Networks Under Transceiver Distortion Noise and Imperfect CSI. - Leila Tlebaldiyeva; Behrouz Maham; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2020)

Secrecy Performance Analysis of RIS-Aided Wireless Communication Systems. - Liang Yang 001; Jinxia Yang; Wenwu Xie; Mazen O. Hasna; Theodoros A. Tsiftsis; Marco Di Renzo (IEEE Trans. Veh. Technol., 2020)

Air-to-Air Communications Beyond 5G: A Novel 3D CoMP Transmission Scheme. - Yan Li; Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang; Minghua Xia (IEEE Trans. Wirel. Commun., 2020)

Rate Splitting for Uplink NOMA With Enhanced Fairness and Outage Performance. - Hongwu Liu; Theodoros A. Tsiftsis; Kyeong Jin Kim; Kyung Sup Kwak; H. Vincent Poor (IEEE Trans. Wirel. Commun., 2020)

Improving Caching Efficiency in Content-Aware C-RAN-Based Cooperative Beamforming: A Joint Design Approach. - Ming-Min Zhao; Yunlong Cai; Min-Jian Zhao 001; Benoît Champagne 001; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2020)

UAV-Aided Multi-Way NOMA Networks With Residual Hardware Impairments. - Xingwang Li 001; Qunshu Wang; Yuanwei Liu; Theodoros A. Tsiftsis; Zhiguo Ding 001; Arumugam Nallanathan (IEEE Wirel. Commun. Lett., 2020)

Generalized Energy Detection Under Generalized Noise Channels. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang (IEEE Wirel. Commun. Lett., 2020)

Signal Detection in Uplink Time-Varying OFDM Systems Using RNN With Bidirectional LSTM. - Shengyao Wang; Rugui Yao; Theodoros A. Tsiftsis; Nikolaos I. Miridakis; Nan Qi (IEEE Wirel. Commun. Lett., 2020)

Indoor Mixed Dual-Hop VLC/RF Systems Through Reconfigurable Intelligent Surfaces. - Liang Yang 001; Xiaoqin Yan; Daniel Benevides da Costa; Theodoros A. Tsiftsis; Hong-Chuan Yang; Mohamed-Slim Alouini (IEEE Wirel. Commun. Lett., 2020)

Performance Analysis of Large Intelligent Surface Aided Backscatter Communication Systems. - Wenjing Zhao; Gongpu Wang; Saman Atapattu; Theodoros A. Tsiftsis; Xiaoli Ma (IEEE Wirel. Commun. Lett., 2020)

Multi-RAT Aggregation Through Spectrum Reallocation for Future Wireless Networks. - Apostolos Galanopoulos; Fotis Foukalas; Theodoros A. Tsiftsis (Wirel. Pers. Commun., 2020)

Coverage Analysis of CR-based Satellite-Terrestrial NOMA Networks with Practical System Impairments. - Yerassyl Akhmetkaziyev; Galymzhan Nauryzbayev; Sultangali Arzykulov; Ahmed M. Eltawil; Theodoros A. Tsiftsis (ICC, 2021)

An Overview of Enabling Federated Learning over Wireless Networks. - Fotis Foukalas; Athanasios Tziouvaras; Theodoros A. Tsiftsis (MeditCom, 2021)

Rate Splitting Multiple Access for Semi-Grant-Free Transmissions. - Hongwu Liu; Theodoros A. Tsiftsis; Bruno Clerckx; Kyeong Jin Kim; Kyung Sup Kwak; H. Vincent Poor (CoRR, 2021)

A Rate Splitting Strategy for Uplink CR-NOMA Systems. - Hongwu Liu; Zhiquan Bai; Hongjiang Lei; Gaofeng Pan; Kyeong Jin Kim; Theodoros A. Tsiftsis (CoRR, 2021)

Moment-Based Spectrum Sensing Under Generalized Noise Channels. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang (IEEE Commun. Lett., 2021)

On the Secrecy Performance of NOMA-Based Integrated Satellite Multiple-Terrestrial Relay Networks With Hardware Impairments. - Kefeng Guo; Kang An 001; Feng Zhou 010; Theodoros A. Tsiftsis; Gan Zheng; Symeon Chatzinotas (IEEE Trans. Veh. Technol., 2021)

Joint Spectrum and Energy Optimization of NOMA-Enabled Small-Cell Networks With QoS Guarantee. - Wali Ullah Khan; Furqan Jameel; Xingwang Li 001; Muhammad Bilal 003; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2021)

A Learning-Based Spectrum Access Stackelberg Game: Friendly Jammer-Assisted Communication Confrontation. - Nan Qi; Wei Wang 288; Ming Xiao 001; Luliang Jia; Shi Jin 002; Qiuming Zhu; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2021)

Cognitive D2D Finite Blocklength Transmissions With the Presence of Time-Selective Interference. - Prabhat Kumar Sharma; Prasanna Raut; Theodoros A. Tsiftsis; Paritosh Peshwe (IEEE Trans. Veh. Technol., 2021)

Cooperative SM-Based NOMA Scheme With SWIPT. - Qintuya Si; Minglu Jin; Theodoros A. Tsiftsis; Nan Zhao 001; Xianbin Wang 001 (IEEE Trans. Veh. Technol., 2021)

Secrecy Analysis of SSK Modulation: Adaptive Antenna Mapping and Performance Results. - Ugrasen Singh; Manav R. Bhatnagar; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2021)

Unity makes strength: Coalition Formation-based Group-buying for Timely UAV Data Collection. - Nan Qi; Yeting Huang; Wen Sun; Shi Jin 002; Theodoros A. Tsiftsis; Qihui Wu 001; Xiang Su (GLOBECOM, 2022)

Rate Splitting Multiple Access Aided Mobile Edge Computing in Cognitive Radio Networks. - Hongwu Liu; Yinghui Ye; Zhiquan Bai; Kyeong Jin Kim; Theodoros A. Tsiftsis (ICC Workshops, 2022)

Outage Analysis and Realization Challenges of RIS-enabled Underlay CR Networks over Nakagami -m Fading. - Madi Makin; Kassen Dautov; Mohammad S. Hashmi; Theodoros A. Tsiftsis; Galymzhan Nauryzbayev (ICTC, 2022)

On the Performance of Dual RIS-assisted V2I Communication under Nakagami-m Fading. - Mohd Hamza Naim Shaikh; Khaled M. Rabie; Xingwang Li 001; Theodoros A. Tsiftsis; Galymzhan Nauryzbayev (VTC Fall, 2022)

Enhancing QoS Through Fluid Antenna Systems over Correlated Nakagami-m Fading Channels. - Leila Tlebaldiyeva; Galymzhan Nauryzbayev; Sultangali Arzykulov; Ahmed M. Eltawil; Theodoros A. Tsiftsis (WCNC, 2022)

Cognitive Radio-Inspired Rate-Splitting Multiple Access for Semi-Grant-Free Transmissions. - Hongwu Liu; Kyeong Jin Kim; Theodoros A. Tsiftsis; Bruno Clerckx; Kyung Sup Kwak; H. Vincent Poor (CoRR, 2022)

Joint Task Offloading and Resource Allocation for IoT Edge Computing With Sequential Task Dependency. - Xuming An; Rongfei Fan; Han Hu 003; Ning Zhang 007; Saman Atapattu; Theodoros A. Tsiftsis (IEEE Internet Things J., 2022)

On Secure NOMA-Based Terrestrial and Aerial IoT Systems. - Hongjiang Lei; Chen Zhu; Ki-Hong Park; Weijia Lei; Imran Shafique Ansari; Theodoros A. Tsiftsis (IEEE Internet Things J., 2022)

Guest Editorial Advanced Signal Processing for Local and Private 5G Networks. - Kyeong Jin Kim; Octavia A. Dobre; David López-Pérez; H. Vincent Poor; Petar Popovski; Theodoros A. Tsiftsis; Miaowen Wen (IEEE J. Sel. Top. Signal Process., 2022)

Private 5G Networks: Concepts, Architectures, and Research Landscape. - Miaowen Wen; Qiang Li 020; Kyeong Jin Kim; David López-Pérez; Octavia A. Dobre; H. Vincent Poor; Petar Popovski; Theodoros A. Tsiftsis (IEEE J. Sel. Top. Signal Process., 2022)

Energy-Efficient UAV-Relaying 5G/6G Spectrum Sharing Networks: Interference Coordination With Power Management and Trajectory Design. - Wei Wang 288; Nan Qi; Luliang Jia; Chunguo Li; Theodoros A. Tsiftsis; Mei Wang (IEEE Open J. Commun. Soc., 2022)

Backscatter Sensors Communication for 6G Low-Powered NOMA-Enabled IoT Networks Under Imperfect SIC. - Manzoor Ahmed; Wali Ullah Khan; Asim Ihsan; Xingwang Li 001; Jianbo Li; Theodoros A. Tsiftsis (IEEE Syst. J., 2022)

New Antenna Selection Schemes for Full-Duplex Cooperative MIMO-NOMA Systems. - Zahra Mobini; Mohammadali Mohammadi; Theodoros A. Tsiftsis; Zhiguo Ding 001; Chintha Tellambura (IEEE Trans. Commun., 2022)

Multi-Metric Waveform Optimization for Multiple-Input Single-Output Joint Communication and Radar Sensing. - Zhitong Ni; J. Andrew Zhang; Kai Yang 004; Xiaojing Huang 001; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2022)

Rate-Splitting Multiple Access-Enabled Security Analysis in Cognitive Satellite Terrestrial Networks. - Xudong Li; Ye Fan 006; Rugui Yao; Peng Wang 186; Nan Qi; Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2022)

A New Rate Splitting Strategy for Uplink CR-NOMA Systems. - Hongwu Liu; Zhiquan Bai; Hongjiang Lei; Gaofeng Pan; Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2022)

Mixed THz/FSO Relaying Systems: Statistical Analysis and Performance Evaluation. - Sai Li 001; Liang Yang 001; Jiayi Zhang 001; Petros S. Bithas; Theodoros A. Tsiftsis; Mohamed-Slim Alouini (IEEE Trans. Wirel. Commun., 2022)

Metasurface-Coated Devices: A New Paradigm for Energy-Efficient and Secure 6G Communications. - Theodoros A. Tsiftsis; Constantinos A. Valagiannopoulos; Hongwu Liu; Alexandros-Apostolos A. Boulogeorgos; Nikolaos I. Miridakis (IEEE Veh. Technol. Mag., 2022)

Outage Performance of Cross-Packet HARQ. - Jiahui Feng; Zheng Shi 001; Guanghua Yang; Nikolaos I. Miridakis; Shaodan Ma; Theodoros A. Tsiftsis (IEEE Wirel. Commun. Lett., 2022)

Secure Spectrum-Energy Efficiency Tradeoff Based on Stackelberg Game in a Two-Way Relay Cognitive Satellite Terrestrial Network. - Xudong Li; Rugui Yao; Ye Fan 006; Peng Wang 186; Nan Qi; Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Wirel. Commun. Lett., 2022)

Extreme Age of Information for Wireless-Powered Communication Systems. - Nikolaos I. Miridakis; Zheng Shi 001; Theodoros A. Tsiftsis; Guanghua Yang (IEEE Wirel. Commun. Lett., 2022)

Non-Linear Age of Information: An Energy Efficient Receiver-Centric Approach. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang (IEEE Wirel. Commun. Lett., 2022)

Semi-Blind Multiuser Detection Under the Presence of Reconfigurable Intelligent Surfaces. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang; Panagiotis Karkazis; Helen C. Leligou (IEEE Wirel. Commun. Lett., 2022)

Codebook Training for Trellis-Based Hierarchical Grassmannian Classification. - Stefan Schwarz; Theodoros A. Tsiftsis (IEEE Wirel. Commun. Lett., 2022)

Covert Beamforming Design for Active RIS-Assisted NOMA-ISAC Systems. - Pengxu Chen; Fengcheng Xiao; Liang Yang 001; Theodoros A. Tsiftsis; Hongwu Liu (GLOBECOM (Workshops), 2023)

Robust Design of RIS-aided Full-Duplex RSMA System for V2X communication: A DRL Approach. - Sonia Pala; Mayur Katwe; Keshav Singh; Theodoros A. Tsiftsis; Chih-Peng Li (GLOBECOM, 2023)

RIS-Aided Integrated Sensing and Communications. - Prajwalita Saikia; Anand Jee; Keshav Singh; Cunhua Pan; Theodoros A. Tsiftsis; Wan-Jen Huang (GLOBECOM, 2023)

RIS-Aided SWIPT Green Communications Under Imperfect CSI. - Vaibhav Sharma 003; Raviteja Allu; Sandeep Kumar Singh 005; Keshav Singh; Theodoros A. Tsiftsis (GLOBECOM, 2023)

Symbol Level Precoding in the RF Domain for Low Hardware Complexity RIS-Assisted MU-MISO Systems. - Christos G. Tsinos; Theodoros A. Tsiftsis; Robert Schober (ICASSP, 2023)

Age of Information in Multi-Source Updating Systems: An M/G/1 Vacation Queueing Model. - Muthukrishnan Senthil Kumar; Aresh Dadlani; Masoumeh Moradian; Behrouz Maham; Theodoros A. Tsiftsis (ICC, 2023)

Uplink Cell-Free Massive MIMO URLLC Systems with User Mobility and Imperfect CSI. - Sravani Kurma; Keshav Singh; Prabhat Kumar Sharma; Chih-Peng Li; Theodoros A. Tsiftsis (ICC, 2023)

Reconfigurable Intelligent Surface Aided Full Duplex Networking Systems. - Yuncong Li; Yingyang Chen; Miaowen Wen; Duoying Zhang; Bingli Jiao; Zhiguo Ding 001; Theodoros A. Tsiftsis; H. Vincent Poor (ICC, 2023)

Deep Learning-based Joint Transmit and Reflective Beamforming Design for IRS-Aided MISO Multiuser Systems Under Statistical CSI. - Wenwen Guan; Jiawen Tian; Theodoros A. Tsiftsis; Cunhua Pan (ICCC, 2023)

An Efficient Learning Algorithm for Phase Shift Optimization in RIS-Aided MISO Wireless Systems. - Jiawen Tian; Wenwen Guan; Xiao Li; Theodoros A. Tsiftsis; Hongwu Liu (WCSP, 2023)

QR Decomposition-Based Cyclic Prefixed Single-Carrier Transmissions for Cooperative Communications: Concepts and Research Landscape. - Kyeong Jin Kim; Hongwu Liu; Miaowen Wen; Theodoros A. Tsiftsis; Philip V. Orlik; H. Vincent Poor (IEEE Commun. Surv. Tutorials, 2023)

Next-Generation Full Duplex Networking System Empowered by Reconfigurable Intelligent Surfaces. - Yingyang Chen; Yuncong Li; Miaowen Wen; Duoying Zhang; Bingli Jiao; Zhiguo Ding 001; Theodoros A. Tsiftsis; H. Vincent Poor (CoRR, 2023)

Outage Performance Analysis of RSMA-Aided Semi-Grant-Free Transmission Systems. - Fengcheng Xiao; Xingwang Li 001; Liang Yang 001; Hongwu Liu; Theodoros A. Tsiftsis (IEEE Open J. Commun. Soc., 2023)

Zero Forcing Uplink Detection Through Large-Scale RIS: System Performance and Phase Shift Design. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Rugui Yao (IEEE Trans. Commun., 2023)

On the Age of Status Updates in Unreliable Multi-Source M/G/1 Queueing Systems. - Muthukrishnan Senthil Kumar; Aresh Dadlani; Masoumeh Moradian; Ahmad Khonsari; Theodoros A. Tsiftsis (IEEE Commun. Lett., 2023)

Rate-splitting for intelligent reflecting surface-assisted CR-NOMA systems. - Haoyu You; Zhiquan Bai; Hongwu Liu; Theodoros A. Tsiftsis; Kyung Sup Kwak (J. Commun. Networks, 2023)

Joint Impacts of Non-Ideal System Limitations on the Performance of NOMA-Based SatCom Networks. - Haifeng Shuai; Kefeng Guo; Kang An 001; Yuzhen Huang 001; Theodoros A. Tsiftsis; Shibing Zhu (IEEE Trans. Veh. Technol., 2023)

Physical-Layer Authentication for Ambient Backscatter-Aided NOMA Symbiotic Systems. - Xingwang Li 001; Qunshu Wang; Ming Zeng 002; Yuanwei Liu; Shuping Dang; Theodoros A. Tsiftsis; Octavia A. Dobre (IEEE Trans. Commun., 2023)

Rate-Splitting Multiple Access Aided Mobile Edge Computing With Randomly Deployed Users. - Pengxu Chen; Hongwu Liu; Yinghui Ye; Liang Yang 001; Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE J. Sel. Areas Commun., 2023)

Intelligent reflecting surface-assisted cognitive radio-inspired rate-splitting multiple access systems. - Peixu Liu; Gang Jing; Hongwu Liu; Liang Yang 001; Theodoros A. Tsiftsis (Digit. Commun. Networks, 2023)

Joint Receive and Passive Beamforming Optimization for RIS-Assisted Uplink RSMA Systems. - Qiang Sun; Hongwu Liu; Shen Yan 005; Theodoros A. Tsiftsis; Jinhong Yuan (IEEE Wirel. Commun. Lett., 2023)

Green integrated cooperative spectrum sensing for cognitive satellite terrestrial networks. - Rugui Yao; Yongsong Yu; Peng Wang 186; Ye Fan 006; Xudong Li; Xiaoya Zuo; Nan Qi; Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IET Commun., 2023)

Secrecy Outage Performance Analysis for Uplink CR-NOMA Systems With Hybrid SIC. - Hongjiang Lei; Fangtao Yang; Imran Shafique Ansari; Hongwu Liu; Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE Internet Things J., 2023)

Covert Transmission and Secrecy Analysis of RS-RIS-NOMA-Aided 6G Wireless Communication Systems. - Liang Yang 001; Wei Zhang 074; Petros S. Bithas; Hongwu Liu; Mazen O. Hasna; Theodoros A. Tsiftsis; Derrick Wing Kwan Ng (IEEE Trans. Veh. Technol., 2023)

A Spatial Delay Domain-Based Prony Channel Prediction Method for Massive MIMO LEO Communications. - Zhiqiang Liu; Di Zhang 002; Jingjing Guo; Theodoros A. Tsiftsis; Yuwei Su; Battulga Davaasambuu; Sahil Garg; Takuro Sato (IEEE Syst. J., 2023)

Pattern Design and Power Management for Cognitive LEO Beaming Hopping Satellite-Terrestrial Networks. - Tong Li; Rugui Yao; Ye Fan 006; Xiaoya Zuo; Nikolaos I. Miridakis; Theodoros A. Tsiftsis (IEEE Trans. Cogn. Commun. Netw., 2023)

Active RIS-Aided Covert Communications for MISO-NOMA Systems. - Miaomiao Zhu; Kefeng Guo; Yinghui Ye; Liang Yang 001; Theodoros A. Tsiftsis; Hongwu Liu (IEEE Wirel. Commun. Lett., 2023)

Markov Chain-Based Model of Blockchain Radio Access Networks. - Vasileios Kouvakis; Stylianos E. Trevlakis; Alexandros-Apostolos A. Boulogeorgos; Hongwu Liu; Theodoros A. Tsiftsis; Octavia A. Dobre (CAMAD, 2024)

An Innovative Architectural Blueprint Towards Sustainable 6G Systems. - Stylianos E. Trevlakis; Maria Belesioti; Harilaos Koumaras; Alexandros-Apostolos A. Boulogeorgos; Ioannis P. Chochliouros; Theodoros A. Tsiftsis (CAMAD, 2024)

Joint Resource Allocation and Link Adaptation for Beyond 5G Time Sensitive Communications. - Christos Tsakos; Fotis Foukalas; Theodoros A. Tsiftsis (CSCN, 2024)

Fluid Antenna Wireless Systems for Enhanced Spectrum Sensing. - Leila Tlebaldiyeva; Sultangali Arzykulov; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Galymzhan Nauryzbayev (GLOBECOM (Workshops), 2024)

Multi-Vehicle Collaborative Sensing in RSMA-Assisted ISAC Systems. - Ling He; Yingyang Chen; Miaowen Wen; Theodoros A. Tsiftsis (ICC Workshops, 2024)

Active RIS-Assisted CFm-MIMO with User Mobility and Constrained Fronthaul Capacity. - Sravani Kurma; Keshav Singh; Vimal Bhatia; Chih-Peng Li; Theodoros A. Tsiftsis (ICC, 2024)

ML-Driven Resource Optimization in Active-Star-RIS-Aided THz ISAC Systems with DDA Modulation. - Sravani Kurma; Keshav Singh; Shahid Mumtaz; Theodoros A. Tsiftsis; Chih-Peng Li (ICC, 2024)

Multi-User Connectivity: Advanced User Grouping in RF/VLC Systems with SLIPT for Cooperative NOMA Networks. - Priyashantha Tennakoon; Dushantha Nalin K. Jayakody; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis (ICC Workshops, 2024)

When Sign Language Meets Semantic Communications. - Vasileios Kouvakis; Stylianos E. Trevlakis; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Keshav Singh; Nan Qi (PIMRC, 2024)

Modeling Blockage in High Directional Wireless Systems. - Evangelos Koutsonas; Alexandros-Apostolos A. Boulogeorgos; Stylianos E. Trevlakis; Tanweer Ali; Theodoros A. Tsiftsis (VCC, 2024)

Hybrid-RIS Empowered UAV-Aided ISAC Systems. - Prajwalita Saikia; Anand Jee; Keshav Singh; Theodoros A. Tsiftsis; Alexandros-Apostolos A. Boulogeorgos (VTC Fall, 2024)

RIS-Empowered Satellite-Aerial-Terrestrial Networks With PD-NOMA. - Rui Liu 027; Kefeng Guo; Xingwang Li 001; Kapal Dev; Sunder Ali Khowaja; Theodoros A. Tsiftsis; Houbing Song (IEEE Commun. Surv. Tutorials, 2024)

Active-RIS-Aided Covert Communications in NOMA-Inspired ISAC Wireless Systems. - Miaomiao Zhu; Pengxu Chen; Liang Yang 001; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Hongwu Liu (CoRR, 2024)

On the physical layer security of visible light communications empowered by gold nanoparticles. - Geonho Han; Hyuckjin Choi; Ryeongmyeong Kim; Kitae Nam; Junil Choi; Theodoros A. Tsiftsis (J. Opt. Commun. Netw., 2024)

URLLC-Enabled Full-Duplex Cell-Free Massive MIMO Systems With Mobility. - Sravani Kurma; Keshav Singh; Prabhat Kumar Sharma; Chih-Peng Li; Theodoros A. Tsiftsis (IEEE Open J. Commun. Soc., 2024)

RIS-Aided Integrated Sensing and Communication Systems: STAR-RIS Versus Passive RIS? - Prajwalita Saikia; Anand Jee; Keshav Singh; Cunhua Pan; Wan-Jen Huang; Theodoros A. Tsiftsis (IEEE Open J. Commun. Soc., 2024)

Network deployment with energy efficiency optimization in IRS-assisted cell-free MIMO system. - Haoxuan Liu; Nan Qi; Kewei Wang 006; Theodoros A. Tsiftsis; Wenjing Wang 002; Yawen Liu (Phys. Commun., 2024)

Cost-Efficient Wireless Friendly Jamming and Interference Mitigation: No Pains, No Gains. - Nan Qi; Zhe Su; Wen-Jing Wang 002; Rugui Yao; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2024)

Two-Way Satellite-HAP-Terrestrial Networks With Non-Orthogonal Multiple Access. - Kefeng Guo; Haifeng Shuai; Xingwang Li 001; Liang Yang 001; Theodoros A. Tsiftsis; Arumugam Nallanathan; Min Wu (IEEE Trans. Veh. Technol., 2024)

Extreme Level Crossing Rate: A New Performance Indicator for URLLC Systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Panagiotis Karkazis; Helen C. Leligou; Fotis Foukalas (IEEE Trans. Veh. Technol., 2024)

On Secure NOMA-Aided Semi-Grant-Free Systems. - Hongjiang Lei; Fangtao Yang; Hongwu Liu; Imran Shafique Ansari; Kyeong Jin Kim; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2024)

Exploiting FAS for Cooperative NOMA-based Full-duplex mmWave Networks with Imperfections. - Leila Tlebaldiyeva; Sultangali Arzykulov; Theodoros A. Tsiftsis; Galymzhan Nauryzbayev (Ad Hoc Networks, 2024)

Power Allocation and Performance Evaluation for NOMA-Aided Integrated Satellite-HAP-Terrestrial Networks Under Practical Limitations. - Kefeng Guo; Haifeng Shuai; Kang An 001; Fuhui Zhou; Theodoros A. Tsiftsis; Xingwang Li 001; Min Wu (IEEE Internet Things J., 2024)

Robust Transmission Design in Multiobjective RIS-Aided SWIPT IoT Communications. - Vaibhav Sharma 003; Raviteja Allu; Sandeep Kumar Singh 005; Keshav Singh; Trung Q. Duong; Theodoros A. Tsiftsis (IEEE Internet Things J., 2024)

Active-RIS-Aided Covert Communications in NOMA Systems With Cooperative Jamming. - Xueyu Kang; Hongjiang Lei; Liang Yang 001; Gaofeng Pan; Theodoros A. Tsiftsis; Hongwu Liu (IEEE Trans. Veh. Technol., 2024)

Rate-Splitting Multiple Access With Finite Blocklength and High Mobility for URLLC Transmissions. - Jinping Zhu; Yingyang Chen; Xinyue Pei; Tingrui Pei; Xiaofan Li 001; Theodoros A. Tsiftsis (IEEE Wirel. Commun. Lett., 2024)

Next-Generation Full Duplex Networking Systems Empowered by Reconfigurable Intelligent Surfaces. - Yingyang Chen; Yuncong Li; Miaowen Wen; Duoying Zhang; Bingli Jiao; Zhiguo Ding 001; Theodoros A. Tsiftsis; H. Vincent Poor (IEEE Trans. Wirel. Commun., 2024)

Reconfigurable Intelligent Surfaces Aided Energy Efficiency Maximization in Cell-Free Networks. - Kewei Wang 006; Nan Qi; Haoxuan Liu; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Ming Xiao 001; Kai-Kit Wong (IEEE Wirel. Commun. Lett., 2024)

Deep Reinforcement Learning-Based Energy Efficiency Optimization for RIS-Aided Integrated Satellite-Aerial-Terrestrial Relay Networks. - Min Wu; Kefeng Guo; Xingwang Li 001; Zhi Lin 001; Yongpeng Wu 001; Theodoros A. Tsiftsis; Houbing Song (IEEE Trans. Commun., 2024)

NeuroRIS: Neuromorphic-Inspired Metasurfaces. - Christos G. Tsinos; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis (IEEE Wirel. Commun. Lett., 2024)

Toward Modeling and Assessing the Disorientation and Misalignment Effect in Optical Wireless Nano-Networks. - Alexandros-Apostolos A. Boulogeorgos; Stylianos E. Trevlakis; Theodoros A. Tsiftsis; Angeliki Alexiou (IEEE J. Sel. Areas Commun., 2024)

Impact of Inter-Operator Interference via Reconfigurable Intelligent Surfaces. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Panagiotis Karkazis; Helen C. Leligou; Petar Popovski (IEEE Wirel. Commun. Lett., 2024)

Intelligent Rate-Splitting Multiple Access-Enabled Coordinated Direct and Relay Transmission. - Fengcheng Xiao; Miaowen Wen; Liang Yang 001; Theodoros A. Tsiftsis; Hongwu Liu (IEEE Wirel. Commun. Lett., 2024)

Secrecy Performance Analysis of RSMA-Based Communications Under Partial CSIT Against Randomly Located Eavesdroppers. - Xinyue Pei; Yingyang Chen; Miaowen Wen; Tingrui Pei; Xing-Wei Wang 001; Theodoros A. Tsiftsis (IEEE Trans. Veh. Technol., 2024)

Resource Optimization in Active-STAR-RIS-Aided THz ISAC Systems With DDA Modulation: A Machine-Learning Approach. - Sravani Kurma; Keshav Singh; Shahid Mumtaz; Theodoros A. Tsiftsis; Chih-Peng Li (IEEE Trans. Wirel. Commun., 2024)

Deep Learning Approach for GNSS Jamming Detection-Based PCA and Bayesian Optimization Feature Selection Algorithm. - Ali Reda; Tamer Mekkawy; Theodoros A. Tsiftsis; Ashraf Mahran (IEEE Trans. Aerosp. Electron. Syst., 2024)

STAR-RIS-Aided Covert Communications in MISO-RSMA Systems. - Heng Chang; Xueyu Kang; Hongjiang Lei; Theodoros A. Tsiftsis; Gaofeng Pan; Hongwu Liu (IEEE Trans. Green Commun. Netw., 2024)

Joint Trajectory and Beamforming Optimization for Federated DRL-Aided Space-Aerial-Terrestrial Relay Networks With RIS and RSMA. - Kefeng Guo; Min Wu; Xingwang Li 001; Zhi Lin 001; Theodoros A. Tsiftsis (IEEE Trans. Wirel. Commun., 2024)

Distributed Multi-UAV Trajectory Planning for Downlink Transmission: A GNN-Enhanced DRL Approach. - Yifan Du; Nan Qi; Xiaojie Li; Ming Xiao 001; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Qihui Wu 001 (IEEE Wirel. Commun. Lett., 2024)

IRS Channel Estimation in Cell-free MIMO Network: A Coalition Formation Guided Federated Learning Approach. - Haoxuan Liu; Nan Qi; Xiaojie Li; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Ming Xiao 001; Juha Röning (WCNC, 2025)

Hierarchical Blockchain Radio Access Networks: Architecture, Modelling, and Performance Assessment. - Vasileios Kouvakis; Stylianos E. Trevlakis; Alexandros-Apostolos A. Boulogeorgos; Hongwu Liu; Waqas Khalid; Theodoros A. Tsiftsis; Octavia A. Dobre (IEEE Open J. Commun. Soc., 2025)

American Sign Language dataset for semantic communications. - Vasileios Kouvakis; Nikos A. Mitsiou; Stylianos E. Trevlakis; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis (IEEE DataPort, 2025)

Multi-perspective Traffic Video Recording. - Ramon Sanchez-Iborra; Rodrigo Asensio Garriga; Gonzalo Alarcon-Hellin; Luis Bernal-Escobedo; Stylianos E. Trevlakis; Theodoros A. Tsiftsis; Antonio F. Skarmeta (IEEE DataPort, 2025)

High-Fidelity Coherent-One-Way QKD Simulation Framework for 6G Networks: Bridging Theory and Reality. - Aitor Brazaola-Vicario; Vasileios Kouvakis; Stylianos E. Trevlakis; Alejandra Ruiz 001; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Dusit Niyato (CoRR, 2025)

Holographic RIS Empowered THz Communications With Hardware Imperfections Under Adverse Weather Conditions. - Alexandros-Apostolos A. Boulogeorgos; Stylianos E. Trevlakis; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2025)

Robust Transmission Design for RIS-Aided Full-Duplex-RSMA V2X Communications via Multi-Agent DRL. - Sonia Pala; Mayur Katwe; Keshav Singh; Theodoros A. Tsiftsis; Chih-Peng Li (IEEE Trans. Veh. Technol., 2025)

Coalition Formation for Heterogeneous Federated Learning Enabled Channel Estimation in RIS-assisted Cell-free MIMO. - Nan Qi; Haoxuan Liu; Theodoros A. Tsiftsis; Alexandros-Apostolos A. Boulogeorgos; Fuhui Zhou; Shi Jin 002; Qihui Wu 001 (CoRR, 2025)

Secure and Green Rate-Splitting Multiple Access Integrated Sensing and Communications. - Xudong Li; Rugui Yao; Theodoros A. Tsiftsis; Alexandros-Apostolos A. Boulogeorgos (CoRR, 2025)

Fairness vs. Equality: RSMA-Based Multi-Target and Multi-User Integrated Sensing and Communications. - Xudong Li; Rugui Yao; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis (CoRR, 2025)

Dual-UAV-Enabled Secure Communication and Sensing for A2G-ISAC Systems with Maneuverable Jamming. - Libiao Lou; Yuan Liu; Fotis Foukalas; Hongjiang Lei; Gaofeng Pan; Theodoros A. Tsiftsis; Hongwu Liu (CoRR, 2025)

On the Performance Analysis of Full-Duplex Cell-Free Massive MIMO With User Mobility and Imperfect CSI. - Sravani Kurma; Keshav Singh; Prabhat Kumar Sharma; Chih-Peng Li; Theodoros A. Tsiftsis (IEEE Trans. Commun., 2025)

Covert Communications in Active-IOS Aided Uplink NOMA Systems With Full-Duplex Receiver. - Xueyu Kang; Nan Qi; Lu Lv; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Hongwu Liu (IEEE Trans. Veh. Technol., 2025)

Dual-UAV-Aided Covert Communications for Air-to-Ground ISAC Networks. - Jingke Sun; Liang Yang 001; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Hongwu Liu (CoRR, 2025)

RSMA-Enabled Covert Communications Against Multiple Spatially Random Wardens. - Xinyue Pei; Jihao Liu; Xuewen Luo; Xingwei Wang 001; Yingyang Chen; Miaowen Wen; Theodoros A. Tsiftsis (CoRR, 2025)

Physical-Layer Security in AmBC-NOMA Networks With Random Eavesdroppers. - Xinyue Pei; Xingwei Wang 001; Min Huang 001; Yingyang Chen; Xiaofan Li 001; Theodoros A. Tsiftsis (IEEE Internet Things J., 2025)

Metaverse Framework for Wireless Systems Management. - Ilias Chrysovergis; Alexandros-Apostolos A. Boulogeorgos; Theodoros A. Tsiftsis; Dusit Niyato (CoRR, 2025)