10 papers
Robust Beamforming and Power Allocation for Coherent Cell-Free Massive MIMO with Residual Calibration Errors
Mingjun Sun, Xidong Mu, Shaochuan Wu +2
This paper investigates robust downlink transmission to tolerate calibration aging in time-division duplex cell-free massive multiple-input multiple-output (CF-mMIMO) systems with…
Power-Efficient XL-MIMO Design for Mixed Near- and Far-Field SWIPT Systems
Muhammad Zeeshan Mumtaz, Mohammadali Mohammadi, Hien Quoc Ngo +2
This paper examines the power consumption (PC) efficiency of a mixed near- and far-field (MF) simultaneous wireless information and power transfer (SWIPT) system underpinned by a h…
Massive MIMO-OFDM ISAC for Sparse ISAR Imaging: Joint Power and Subcarrier Allocation
Hamid Reza Hashempour, Yanjiao Li, Jie Zhang +2
This paper investigates a massive multiple-input multiple-output (mMIMO) orthogonal frequency-division multiplexing (OFDM) framework for integrated sensing and communication (ISAC)…
Beyond : Can Arbitrary EMVS Arrays Achieve Unambiguous NLOS Localization?
Hua Chen, Zhenhao Yu, Tuo Wu +5
Conventional radar array design mandates interelement spacing not exceeding half a wavelength () to avoid spatial ambiguity, fundamentally limiting array aperture and angular…
Integrated Sensing and Communication for Segmented Waveguide-Enabled Pinching Antenna Systems
Qian Gao, Ruikang Zhong, Hyundong Shin +1
In this paper, an integrated sensing and communication (ISAC) design for segmented waveguide-enabled pinching-antenna array (SWAN) systems is proposed to improve the performance of…
RL based Beamforming Optimization for 3D Pinching Antenna assisted ISAC Systems
Qian Gao, Ruikang Zhong, Yue Liu +2
In this paper, a three-dimensional (3D) deployment scheme of pinching antenna array is proposed, aiming to enhances the performance of integrated sensing and communication (ISAC) s…
Anti-Malicious ISAC: How to Jointly Monitor and Disrupt Your Foes?
Zonghan Wang, Zahra Mobini, Hien Quoc Ngo +2
Integrated sensing and communication (ISAC) systems are key enablers of future networks but raise significant security concerns. In this realm, the emergence of malicious ISAC syst…
Cluster-wise processing in fronthaul-aware cell-free massive MIMO systems
Zahra Mobini, Ahmet Hasim Gokceoglu, Li Wang +3
We exploit a general cluster-based network architecture for a fronthaul-limited user-centric cell-free massive multiple-input multiple-output (CF-mMIMO) system under different degr…
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…
Capacity Characterization of Pinching-Antenna Systems
Chongjun Ouyang, Zhaolin Wang, Yuanwei Liu +1
Unlike conventional systems using a fixed-location antenna, the channel capacity of the pinching-antenna system (PASS) is determined by the activated positions of pinching antennas…