4 papers · 1 filter
Tri-Hybrid Beamforming Design for integrated Sensing and Communications
Tianyu Fang, Mengyuan Ma, Markku Juntti +1
Tri-hybrid beamforming architectures have been proposed to enable energy-efficient communications systems in extra-largescale antenna arrays using low-cost programmable metasurface…
Optimal ISAC Beamforming Structure and Efficient Algorithms for Sum Rate and CRLB Balancing
Tianyu Fang, Mengyuan Ma, Markku Juntti +3
Integrated sensing and communications (ISAC) has emerged as a promising paradigm to unify wireless communications and radar sensing, enabling efficient spectrum and hardware utiliz…
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 computationall…
Low Complexity Artificial Noise Aided Beam Focusing Design in Near-Field Terahertz Communications
Zhifeng Tang, Nan Yang, Xiangyun Zhou +3
In this paper, we develop a novel low-complexity artificial noise (AN) aided beam focusing scheme in a near-field terahertz wiretap communication system. In this system, the base s…