6 papers
Scalable High-Precision Near-Field Channel Parameter Estimation via Spatial Chirp Structure
Lin Chen, Xiaojun Yuan, Ying-Jun Angela Zhang
This paper presents a scalable framework for high-precision near-field multipath channel parameter estimation in extremely large antenna array (ELAA) systems, enabling joint recove…
Tensor-Based Dynamic Channel Estimation for mmWave Movable Antenna MIMO Systems
Zhendong Li, Linchu Chen, Lin Chen +5
This paper investigates the dynamic channel estimation algorithm in mmWave movable antenna (MA) multiple-input multiple-output (MIMO) systems. To achieve highly accurate channel es…
Near-Field Multi-User Communications via Polar-Domain Beamfocusing: Analytical Framework and Performance Analysis
Lin Chen, Ahmed Elzanaty, Mustafa A. Kishk +1
As wireless systems evolve toward higher frequencies and extremely large antenna arrays, near-field (NF) propagation becomes increasingly dominant. Unlike far-field (FF) communicat…
Near-Field Position and Orientation Tracking With Hybrid ELAA Architecture
Lin Chen, Xiaojun Yuan, Ying-Jun Angela Zhang
This paper investigates near-field (NF) position and orientation tracking of a multi-antenna mobile station (MS) using an extremely large antenna array (ELAA)-equipped base station…
Scoring ISAC: Benchmarking Integrated Sensing and Communications via Score-Based Generative Modeling
Lin Chen, Chang Cai, Huiyuan Yang +2
Integrated sensing and communications (ISAC) is a key enabler for next-generation wireless systems, aiming to support both high-throughput communication and high-accuracy environme…
Joint Coverage and Electromagnetic Field Exposure Analysis in Downlink and Uplink for RIS-assisted Networks
Lin Chen, Ahmed Elzanaty, Mustafa A Kishk +1
Reconfigurable intelligent surfaces (RISs) have shown the potential to improve signal-to-interference-plus-noise ratio (SINR) related coverage, especially at high-frequency communi…