37 papers
Positioning with Flexible Reflectors: Solution and Performance Analysis
Jiajun He, Han Yu, Danyan Lin +4
Flexible reflectors (FRs) have emerged as a low-cost and energy-efficient solution for reshaping electromagnetic propagation environments across a wide range of applications. This…
Hybrid STAR-RIS Architecture for Joint Localization, Communication, and Power Transfer
Haoran Ni, Mohammadali Mohammadi, Xidong Mu +2
We propose a hybrid simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) architecture with dynamically switched active and passive elements to s…
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…
Power-Efficient XL-MIMO Design for Mixed Near- and Far-Field SWIPT Systems
Muhammad Zeeshan Mumtaz, Mohammadali Mohammadi, Hien Quoc Ngo +2
The paper proposes a power‑efficient design for extra‑large MIMO systems that serve simultaneous wireless information and power transfer (SWIPT) users in both near‑field and far‑fi…
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)…
ML-Assisted Bulk Resource Allocation: Custom Outage-Based Loss Function and Reliability Analysis
Amir Masoud Molaei, Nidhi Simmons, David E. Simmons +2
Machine learning (ML)-assisted outage-based resource allocation has recently emerged as an effective alternative to conventional scheduling methods in reliability-critical wireless…