376 citations · 583 across the 24 of their papers we have counts for
18 papers · 1 filter
Integrated Access and Backhaul via LEO Satellites with Inter-Satellite Links
Zaid Abdullah, Eva Lagunas, Steven Kisseleff +2
The third generation partnership project (3GPP) has recently defined two frequency bands for direct access with satellites, which is a concrete step toward realizing the anticipate…
Performance of Joint Symbol Level Precoding and RIS Phase Shift Design in the Finite Block Length Regime with Constellation Rotation
Progress Zivuku, Steven Kisseleff, Wallace A. Martins +3
In this paper, we tackle the problem of joint symbol level precoding (SLP) and reconfigurable intelligent surface (RIS) phase shift design with constellation rotation in the finite…
Combining Relaying and Reflective Surfaces: Power Consumption and Energy Efficiency Analysis
Zaid Abdullah, George C. Alexandropoulos, Steven Kisseleff +2
Hybrid relaying networks (HRNs) combining both a relay and an intelligent reflective surface (IRS) can lead to enhanced rate performance compared to non-hybrid relaying schemes, wh…
Cooperative Hybrid Networks with Active Relays and RISs for B5G: Applications, Challenges, and Research Directions
Zaid Abdullah, Steven Kisseleff, Wallace Alves Martins +6
Among the recent advances and innovations in wireless technologies, reconfigurable intelligent surfaces (RISs) have received much attention and are envisioned to be one of the enab…
Coverage Probability of STAR-RIS assisted Massive MIMO systems with Correlation and Phase Errors
Anastasios Papazafeiropoulos, Zaid Abdullah, Pandelis Kourtessis +2
In this paper, we investigate a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisting a massive multiple-input multiple-output (mMIMO) sy…
On the Impacts of Phase Shifting Design and Eavesdropping Uncertainty on Secrecy Metrics of RIS-aided Systems
Long Kong, Steven Kisseleff, Symeon Chatzinotas +2
This paper investigates the secrecy outage probability (SOP), the lower bound of SOP, and the probability of non-zero secrecy capacity (PNZ) of reconfigurable intelligent surface (…
Impact of Phase-Noise and Spatial Correlation on Double-RIS-Assisted Multiuser MISO Networks
Zaid Abdullah, Anastasios Papazafeiropoulos, Steven Kisseleff +2
We study the performance of a phase-noise impaired double reconfigurable intelligent surface (RIS)-aided multiuser (MU) multiple-input single-output (MISO) system under spatial cor…
Effective Rate of RIS-aided Networks with Location and Phase Estimation Uncertainty
Long Kong, Steven Kisseleff, Symeon Chatzinotas +2
Reconfigurable Intelligent Surfaces (RIS) are planar structures connected to electronic circuitry, which can be employed to steer the electromagnetic signals in a controlled manner…
Successive Decode-and-Forward Relaying with Reconfigurable Intelligent Surfaces
Zaid Abdullah, Steven Kisseleff, Konstantinos Ntontin +3
The key advantage of successive relaying (SR) networks is their ability to mimic the full-duplex (FD) operation with half-duplex (HD) relays. However, the main challenge that comes…
Simultaneous Control Information and Power Transmission for Reconfigurable Intelligent Surfaces
Steven Kisseleff, Konstantinos Ntontin, Wallace A. Martins +2
Reconfigurable intelligent surfaces (RISs) are planar structures with attached electronic circuitry that enable a partially programmable communication environment. RIS operation ca…
Toward Autonomous Reconfigurable Intelligent Surfaces Through Wireless Energy Harvesting
Konstantinos Ntontin, Alexandros-Apostolos A. Boulogeorgos, Emil Björnson +9
In this work, we examine the potential of autonomous operation of a reconfigurable intelligent surface (RIS) using wireless energy harvesting from information signals. To this end,…
Double-RIS Communication with DF Relaying for Coverage Extension: Is One Relay Enough?
Zaid Abdullah, Steven Kisseleff, Konstantinos Ntontin +3
In this work, we investigate the decode-and-forward (DF) relay-aided double reconfigurable intelligent surface (RIS)-assisted networks, where the signal is subject to reflections f…
Autonomous Reconfigurable Intelligent Surfaces Through Wireless Energy Harvesting
Konstantinos Ntontin, Alexandros-Apostolos A. Boulogeorgos, Emil Björnson +7
In this paper, we examine the potential for a reconfigurable intelligent surface (RIS) to be powered by energy harvested from information signals. This feature might be key to reap…
Radio Resource Management Techniques for Multibeam Satellite Systems
Steven Kisseleff, Eva Lagunas, Tedros Salih Abdu +2
Next-generation of satellite communication (SatCom) networks are expected to support extremely high data rates for a seamless integration into future large satellite-terrestrial ne…
Efficient Detectors for Telegram Splitting based Transmission in Low Power Wide Area Networks with Bursty Interference
Steven Kisseleff, Jakob Kneissl, Gerd Kilian +1
Low Power Wide Area (LPWA) networks are known to be highly vulnerable to external in-band interference in terms of packet collisions which may substantially degrade the system perf…
Random Access based Reliable Uplink Communication and Power Transfer using Dynamic Power Splitting
Steven Kisseleff, Symeon Chatzinotas, Björn Ottersten
Large communication networks, e.g. Internet of Things (IoT), are known to be vulnerable to co-channel interference. One possibility to address this issue is the use of orthogonal m…
Beamforming for Magnetic Induction based Wireless Power Transfer Systems with Multiple Receivers
S. Kisseleff, I. F. Akyildiz, W. Gerstacker
Magnetic induction (MI) based communication and power transfer systems have gained an increased attention in the recent years. Typical applications for these systems lie in the are…
On Capacity of Active Relaying in Magnetic Induction based Wireless Underground Sensor Networks
S. Kisseleff, B. Sackenreuter, I. F. Akyildiz +1
Wireless underground sensor networks (WUSNs) present a variety of new research challenges. Magnetic induction (MI) based transmission has been proposed to overcome the very harsh p…