153 citations · 376 across the 46 of their papers we have counts for
38 papers · 1 filter
Power consumption Reduction in ELAA-Assisted ISAC Systems
Xiaomin Cao, Mohammadali Mohammadi, Hien Quoc Ngo +1
In this paper, we consider power consumption reduction in extremely large antenna arrays (ELAAs) for integrated sensing and communication (ISAC) applications. Although ELAAs are cr…
Repeater-Assisted Massive MIMO Full-Duplex Communications
Mohammadali Mohammadi, Dhanushka Kudathanthirige, Himal A. Suraweera +2
We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting…
RIS-Assisted XL-MIMO for Near-Field and Far-Field Communications
Xiaomin Cao, Mohammadali Mohammadi, Hien Quoc Ngo +2
We consider a reconfigurable intelligent surface (RIS)-assisted extremely large-scale multiple-input multiple-output (XL-MIMO) downlink system, where an XL-MIMO array serves two gr…
Cell-Free Massive MIMO SWIPT with Beyond Diagonal Reconfigurable Intelligent Surfaces
Duc Thien Hua, Mohammadali Mohammadi, Hien Quoc Ngo +1
We investigate the integration of beyond diagonal reconfigurable intelligent surfaces (BDRISs) into cell free massive multiple input multiple output (CFmMIMO) systems to enhance si…
Cell-Free Massive MIMO-Assisted SWIPT for IoT Networks
Mohammadali Mohammadi, Le-Nam Tran, Zahra Mobini +2
This paper studies cell-free massive multiple-input multiple-output (CF-mMIMO) systems that underpin simultaneous wireless information and power transfer (SWIPT) for separate infor…
Ten Years of Research Advances in Full-Duplex Massive MIMO
Mohammadali Mohammadi, Zahra Mobini, Hien Quoc Ngo +1
We present an overview of ongoing research endeavors focused on in-band full-duplex (IBFD) massive multiple-input multiple-output (MIMO) systems and their applications. In response…
Hybrid OTFS/OFDM Design in Massive MIMO
Ruoxi Chong, Mohammadali Mohammadi, Hien Quoc Ngo +2
We consider a downlink (DL) massive multiple-input multiple-output (MIMO) system, where different users have different mobility profiles. To support this system, we categorize the…
Next Generation Multiple Access with Cell-Free Massive MIMO
Mohammadali Mohammadi, Zahra Mobini, Hien Quoc Ngo +1
To meet the unprecedented mobile traffic demands of future wireless networks, a paradigm shift from conventional cellular networks to distributed communication systems is imperativ…
Phase-Shift and Transmit Power Optimization for RIS-Aided Massive MIMO SWIPT IoT Networks
Mohammadali Mohammadi, Hien Quoc Ngo, Michail Matthaiou
We investigate reconfigurable intelligent surface (RIS)-assisted simultaneous wireless information and power transfer (SWIPT) Internet of Things (IoT) networks, where energy-limite…
Multiple-Target Detection in Cell-Free Massive MIMO-Assisted ISAC
Mohamed Elfiatoure, Mohammadali Mohammadi, Hien Quoc Ngo +2
We propose a distributed implementation for integrated sensing and communication (ISAC) backed by a massive multiple input multiple output (CF-mMIMO) architecture without cells. Di…
Wireless Information Surveillance via STAR-RIS
Fatemeh Jafarian, Mehrdad Ardebilipour, Mohammadali Mohammadi +1
We explore the potential of a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) to enhance the performance of wireless surveillance systems.…
Cell-Free Massive MIMO SWIPT with Beyond Diagonal Reconfigurable Intelligent Surfaces
Thien Duc Hua, Mohammadali Mohammadi, Hien Quoc Ngo +1
This paper investigates the integration of beyond-diagonal reconfigurable intelligent surfaces (BD-RISs) into cell-free massive multiple-input multiple-output (CF-mMIMO) systems, f…
Protecting Massive MIMO-Radar Coexistence: Precoding Design and Power Control
Mohamed Elfiatoure, Mohammadali Mohammadi, Hien Quoc Ngo +2
This paper studies the coexistence between a downlink multiuser massive multi-input-multi-output (MIMO) communication system and MIMO radar. The performance of the massive MIMO sys…
How to Combine OTFS and OFDM Modulations in Massive MIMO?
Ruoxi Chong, Mohammadali Mohammadi, Hien Quoc Ngo +2
In this paper, we consider a downlink (DL) massive multiple-input multiple-output (MIMO) system, where different users have different mobility profiles. To support this system, we…
Cell-Free Massive MIMO for ISAC: Access Point Operation Mode Selection and Power Control
Mohamed Elfiatoure, Mohammadali Mohammadi, Hien Quoc Ngo +1
This paper considers a cell-free massive multipleinput multiple-output (MIMO) integrated sensing and communication (ISAC) system, where distributed MIMO access points (APs) are use…
Cell-free Massive MIMO and SWIPT: Access Point Operation Mode Selection and Power Control
Mohammadali Mohammadi, Le-Nam Tran, Zahra Mobini +2
This paper studies cell-free massive multiple-input multiple-output (CF-mMIMO) systems incorporating simultaneous wireless information and power transfer (SWIPT) for separate infor…
Network-Assisted Full-Duplex Cell-Free Massive MIMO: Spectral and Energy Efficiencies
Mohammadali Mohammadi, Tung T. Vu, Hien Quoc Ngo +1
We consider network-assisted full-duplex (NAFD) cell-free massive multiple-input multiple-output (CF-mMIMO) systems, where full-duplex (FD) transmission is virtually realized via h…
Virtually Full-duplex Cell-Free Massive MIMO with Access Point Mode Assignment
Mohammadali Mohammadi, Tung T. Vu, Behnaz Naderi Beni +2
We consider a cell-free massive multiple-input multiple-output (MIMO) network utilizing a virtually full-duplex (vFD) mode, where access points (APs) with a downlink (DL) mode and…
When Cell-Free Massive MIMO Meets OTFS Modulation: The Downlink Case
Mohammadali Mohammadi, Hien Quoc Ngo, Michail Matthaiou
We provide a performance evaluation of orthogonal time frequency space (OTFS) modulation in cell-free massive MIMO (multiple-input multiple-output) systems. By leveraging the inher…
Cell-Free Massive MIMO with OTFS Modulation: Power Control and Resource Allocation
Mohammadali Mohammadi, Hien Quoc Ngo, Michail Matthaiou
We consider the downlink of cell-free massive multiple-input multiple-output (MIMO) systems with orthogonal time frequency space (OTFS) modulation. Two pilot-based channel estimati…
New Antenna Selection Schemes for Full-Duplex Cooperative MIMO-NOMA Systems
Zahra Mobini, Mohammadali Mohammadi, Theodoros A. Tsiftsis +2
In this paper, we address the antenna selection (AS) problem in full-duplex (FD) cooperative non-orthogonal multiple access (NOMA) systems, where a multi-antenna FD relay bridges t…
Cell-Free Massive MIMO Meets OTFS Modulation
Mohammadali Mohammadi, Hien Quoc Ngo, Michail Matthaiou
We provide the first-ever performance evaluation of orthogonal time frequency space (OTFS) modulation in cell-free massive multiple-input multiple-output (MIMO) systems. To investi…
Analysis of D2D Communication with RF Energy Harvesting and Interference Management
Nasrin Razmi, Mehdi Mahdavi, Mohammadali Mohammadi +1
Device-to-device (D2D) underlaid cellular network, enabled with radio frequency energy harvesting (RFEH), and enhanced interference management schemes is a promising candidate to i…
Antenna Selection in Full-Duplex Cooperative NOMA Systems
Mohammadali Mohammadi, Zahra Mobini, Himal A. Suraweera +1
We investigate the problem of antenna selection (AS) in full-duplex (FD) cooperative non-orthogonal multiple access (NOMA) systems, where a multi-antenna FD relay assists transmiss…