71 citations · 353 across the 13 of their papers we have counts for
14 papers
2D Spatial Indexing for Generalized and Quadrature Spatial Modulation in PASS
Abanoub Kamel, Ibrahim Al-Nahhal
In this letter, three novel spatial modulation (SM) schemes specifically designed for pinching-antenna systems (PASS) are proposed, offering a flexible trade-off between bit error…
Deep-Learning Channel Estimation for IRS-Assisted Integrated Sensing and Communication System
Yu Liu, Ibrahim Al-Nahhal, Octavia A. Dobre +1
Integrated sensing and communication (ISAC), and intelligent reflecting surface (IRS) are envisioned as revolutionary technologies to enhance spectral and energy efficiencies for n…
Extreme Learning Machine-based Channel Estimation in IRS-Assisted Multi-User ISAC System
Yu Liu, Ibrahim Al-Nahhal, Octavia A. Dobre +2
Multi-user integrated sensing and communication (ISAC) assisted by intelligent reflecting surface (IRS) has been recently investigated to provide a high spectral and energy efficie…
Deep-Learning-Based Channel Estimation for IRS-Assisted ISAC System
Yu Liu, Ibrahim Al-Nahhal, Octavia A. Dobre +1
Integrated sensing and communication (ISAC) and intelligent reflecting surface (IRS) are viewed as promising technologies for future generations of wireless networks. This paper in…
Deep Reinforcement Learning for RIS-Assisted FD Systems: Single or Distributed RIS?
Alice Faisal, Ibrahim Al-Nahhal, Octavia A. Dobre +1
This paper investigates reconfigurable intelligent surface (RIS)-assisted full-duplex multiple-input single-output wireless system, where the beamforming and RIS phase shifts are o…
Reconfigurable Intelligent Surface Optimization for Uplink Sparse Code Multiple Access
Ibrahim Al-Nahhal, Octavia A. Dobre, Ertugrul Basar +2
The reconfigurable intelligent surface (RIS)-assisted sparse code multiple access (RIS-SCMA) is an attractive scheme for future wireless networks. In this letter, for the first tim…
Deep Reinforcement Learning for Optimizing RIS-Assisted HD-FD Wireless Systems
Alice Faisal, Ibrahim Al-Nahhal, Octavia A. Dobre +1
This letter investigates the reconfigurable intelligent surface (RIS)-assisted multiple-input single-output (MISO) wireless system, where both half-duplex (HD) and full-duplex (FD)…
Reconfigurable Intelligent Surface-Assisted Uplink Sparse Code Multiple Access
Ibrahim Al-Nahhal, Octavia A. Dobre, Ertugrul Basar
Reconfigurable intelligent surface-empowered communication (RIS) and sparse code multiple access (SCMA) are promising candidates for future generations of wireless networks. The fo…
On the Complexity Reduction of Uplink Sparse Code Multiple Access for Spatial Modulation
Ibrahim Al-Nahhal, Octavia A. Dobre, Salama Ikki
Multi-user spatial modulation (SM) assisted by sparse code multiple access (SCMA) has been recently proposed to provide uplink high spectral efficiency transmission. The message pa…
Reliable Detection for Spatial Modulation Systems
Ibrahim Al-Nahhal, Octavia A. Dobre, Salama Ikki
Spatial modulation (SM) is a promising multiple-input multiple-output system used to increase spectral efficiency. The maximum likelihood (ML) decoder jointly detects the transmitt…
Modified zero forcing decoder for ill-conditioned channels
Ibrahim Al-Nahhal, Masoud Alghoniemy, Adel B. Abd El-Rahman +1
A modified zero-forcing (MZF) decoder for ill-conditioned Multi-Input Multi-Output (MIMO) channels is proposed. The proposed decoder provides significant performance improvement co…
Low-Cost Uplink Sparse Code Multiple Access for Spatial Modulation
Ibrahim Al-Nahhal, Octavia A. Dobre, Ertugrul Basar +1
Spatial modulation (SM)-sparse code multiple access (SCMA) systems provide high spectral efficiency (SE) at the expense of using a high number of transmit antennas. To overcome thi…
A Fast, Accurate, and Separable Method for Fitting a Gaussian Function
Ibrahim Al-Nahhal, Octavia A. Dobre, Ertugrul Basar +2
The Gaussian function (GF) is widely used to explain the behavior or statistical distribution of many natural phenomena as well as industrial processes in different disciplines of…
Optimum Low-Complexity Decoder for Spatial Modulation
Ibrahim Al-Nahhal, Ertugrul Basar, Octavia A. Dobre +1
In this paper, a novel low-complexity detection algorithm for spatial modulation (SM), referred to as the minimum-distance of maximum-length (m-M) algorithm, is proposed and analyz…