127 citations · 325 across the 12 of their papers we have counts for
12 papers
NeuroRIS: Neuromorphic-Inspired Metasurfaces
Christos G. Tsinos, Alexandros-Apostolos A. Boulogeorgos, Theodoros A. Tsiftsis
Reconfigurable intelligent surfaces (RISs) operate similarly to electromagnetic (EM) mirrors and remarkably go beyond Snell law to generate an applicable EM environment allowing fo…
Weighted MMSE Precoding for Constructive Interference Region
Yafei Wang, Wenjin Wang, Li You +2
In this paper, we propose a symbol-level precoding (SLP) design that aims to minimize the weighted mean square error between the received signal and the constellation point located…
Massive MIMO Hybrid Precoding for LEO Satellite Communications With Twin-Resolution Phase Shifters and Nonlinear Power Amplifiers
Li You, Xiaoyu Qiang, Ke-Xin Li +4
The massive multiple-input multiple-output (MIMO) transmission technology has recently attracted much attention in the non-geostationary, e.g., low earth orbit (LEO) satellite comm…
Beam Squint-Aware Integrated Sensing and Communications for Hybrid Massive MIMO LEO Satellite Systems
Li You, Xiaoyu Qiang, Christos G. Tsinos +4
The space-air-ground-sea integrated network (SAGSIN) plays an important role in offering global coverage. To improve the efficient utilization of spectral and hardware resources in…
Hybrid Analog/Digital Precoding for Downlink Massive MIMO LEO Satellite Communications
Li You, Xiaoyu Qiang, Ke-Xin Li +4
Massive multiple-input multiple-output (MIMO) is promising for low earth orbit (LEO) satellite communications due to the potential in enhancing the spectral efficiency. However, th…
Multi-Antenna Data-Driven Eavesdropping Attacks and Symbol-Level Precoding Countermeasures
Abderrahmane Mayouche, Wallace A. Martins, Christos G. Tsinos +2
In this work, we consider secure communications in wireless multi-user (MU) multiple-input single-output (MISO) systems with channel coding in the presence of a multi-antenna eaves…
Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems
Aryan Kaushik, Evangelos Vlachos, Christos Tsinos +2
In this paper, we aim to design highly energy efficient end-to-end communication for millimeter wave multiple-input multiple-output systems. This is done by jointly optimizing the…
Energy Efficient ADC Bit Allocation and Hybrid Combining for Millimeter Wave MIMO Systems
Aryan Kaushik, Christos Tsinos, Evangelos Vlachos +1
Low resolution analog-to-digital converters (ADCs) can be employed to improve the energy efficiency (EE) of a wireless receiver since the power consumption of each ADC is exponenti…
Interference Exploitation via Symbol-Level Precoding: Overview, State-of-the-Art and Future Directions
Ang Li, Danilo Spano, Jevgenij Krivochiza +7
Interference is traditionally viewed as a performance limiting factor in wireless communication systems, which is to be minimized or mitigated. Nevertheless, a recent line of work…
Symbol-level and Multicast Precoding for Multiuser Multiantenna Downlink: A Survey, Classification and Challenges
Maha Alodeh, Danilo Spano, Ashkan Kalantari +4
Precoding has been conventionally considered as an effective means of mitigating the interference and efficiently exploiting the available in the multiantenna downlink channel, whe…
-QAM Precoder Design for MIMO Directional Modulation Transceivers
Ashkan Kalantari, Christos Tsinos, Mojtaba Soltanalian +4
Spectrally efficient multi-antenna wireless communication systems are a key challenge as service demands continue to increase. At the same time, powering up radio access networks i…
Hybrid Analog-Digital Transceiver Designs for Cognitive Large-Scale Antenna Array Systems
Christos G. Tsinos, Sina Maleki, Symeon Chatzinotas +1
Milimeter wave (mmWave) band mobile communications can be a solution to the continuously increasing traffic demand in modern wireless systems. Even though mmWave bands are scarcely…