6 papers
Deep-Unfolded Accelerated Projected Gradient for Energy-Efficient Cell-Free Massive MIMO
Phuong Nam Tran, Nhan Thanh Nguyen, Hien Quoc Ngo +1
This paper investigates energy efficiency (EE) maximization for the downlink of cell-free massive multiple-input multiple-output systems under quality-of-service and per-access poi…
Deep-Unfolded Wideband ISAC Beamforming for DMA Under Frequency-Selective Lorentzian Model
Abdolrasoul Sakhaei Gharagezlou, Pouya Mobaraki, Mehdi Monemi +4
Integrated sensing and communications (ISAC), empowered by dynamic metasurface antennas (DMAs), has emerged as a promising paradigm for next-generation wireless networks. However,…
Resource Allocation and AoI-Aware Detection for ISAC with Stacked Intelligent Metasurfaces
Elaheh Ataeebojd, Nhan Thanh Nguyen, Seonghoon Yoo +4
Stacked intelligent metasurfaces (SIMs) provide wave-domain degrees of freedom that can empower integrated sensing and communication (ISAC) through flexible beampattern synthesis a…
Digital and Hybrid Precoding Designs in Massive MIMO with Low-Resolution ADCs
Mengyuan Ma, Nhan Thanh Nguyen, Italo Atzeni +2
Low-resolution analog-to-digital converters (ADCs) have emerged as an efficient solution for massive multiple-input multiple-output (MIMO) systems to reap high data rates with reas…
Low-Complexity Cramér-Rao Lower Bound and Sum Rate Optimization in ISAC Systems
Tianyu Fang, Nhan Thanh Nguyen, Markku Juntti
While Cramér-Rao lower bound is an important metric in sensing functions in integrated sensing and communications (ISAC) designs, its optimization usually involves a computational…
Hybrid Receiver Design for Massive MIMO-OFDM with Low-Resolution ADCs and Oversampling
Mengyuan Ma, Nhan Thanh Nguyen, Italo Atzeni +1
Low-resolution analog-to-digital converters (ADCs) and hybrid beamforming have emerged as efficient solutions to reduce power consumption with satisfactory spectral efficiency (SE)…