53 citations · 219 across the 11 of their papers we have counts for
12 papers
NOMA-based Improper Signaling for MIMO STAR-RIS-assisted Broadcast Channels with Hardware Impairments
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck
This paper proposes schemes to improve the spectral efficiency of a multiple-input multiple-output (MIMO) broadcast channel (BC) with I/Q imbalance (IQI) at transceivers by employi…
SNR Maximization in Beyond Diagonal RIS-assisted Single and Multiple Antenna Links
Ignacio Santamaria, Mohammad Soleymani, Eduard Jorswieck +1
Reconfigurable intelligent surface (RIS) architectures not limited to diagonal phase shift matrices have recently been considered to increase their flexibility in shaping the wirel…
Optimization of Rate-Splitting Multiple Access in Beyond Diagonal RIS-assisted URLLC Systems
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck +1
This paper proposes a general optimization framework for rate splitting multiple access (RSMA) in beyond diagonal (BD) reconfigurable intelligent surface (RIS) assisted ultra-relia…
Energy-efficient Rate Splitting for MIMO STAR-RIS-assisted Broadcast Channels with I/Q Imbalance
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck
This paper proposes an energy-efficient scheme for multicell multiple-input, multiple-output (MIMO) simultaneous transmit and reflect (STAR) reconfigurable intelligent surfaces (RI…
Interference Leakage Minimization in RIS-assisted MIMO Interference Channels
Ignacio Santamaria, Mohammad Soleymani, Eduard Jorswieck +1
We address the problem of interference leakage (IL) minimization in the -user multiple-input multiple-output (MIMO) interference channel (IC) assisted by a reconfigurable intell…
Rate Region of MIMO RIS-assisted Broadcast Channels with Rate Splitting and Improper Signaling
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck
In this paper, we study the achievable rate region of 1-layer rate splitting (RS) in the presence of hardware impairment (HWI) and improper Gaussian signaling (IGS) for a single-ce…
Spectral and Energy Efficiency Maximization of MISO STAR-RIS-assisted URLLC Systems
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck
This paper proposes a general optimization framework to improve the spectral and energy efficiency (EE) of ultra-reliable low-latency communication (URLLC) simultaneous-transfer-an…
Rate Splitting in MIMO RIS-assisted Systems with Hardware Impairments and Improper Signaling
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck
In this paper, we propose an optimization framework for rate splitting (RS) techniques in multiple-input multiple-output (MIMO) reconfigurable intelligent surface (RIS)-assisted sy…
NOMA-based Improper Signaling for Multicell MISO RIS-assisted Broadcast Channels
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck +1
In this paper, we study the performance of reconfigurable intelligent surfaces (RISs) in a multicell broadcast channel (BC) that employs improper Gaussian signaling (IGS) jointly w…
Improper Gaussian Signaling for the -user MIMO Interference Channels with Hardware Impairments
Mohammad Soleymani, Ignacio Santamaria, Peter J. Schreier
This paper investigates the performance of improper Gaussian signaling (IGS) for the -user multiple-input, multiple-output (MIMO) interference channel (IC) with hardware impairm…
Improper Signaling for SISO Two-user Interference Channels with Additive Asymmetric Hardware Distortion
Mohammad Soleymani, Christian Lameiro, Ignacio Santamaria +1
Hardware non-idealities are among the main performance restrictions for upcoming wireless communication systems. Asymmetric hardware distortions (HWD) happen when the impairments o…
Robust Improper Signaling for Two-user SISO Interference Channels
Mohammad Soleymani, Christian Lameiro, Ignacio Santamaria +1
It has been shown that improper Gaussian signaling (IGS) can improve the performance of wireless interference-limited systems when perfect channel state information (CSI) is availa…