Expertini Research Research

Browse Research Papers

84+ open-access research outputs.

✕ Clear
🔍 yuan su 📂 Engineering 📄 Preprint
Showing 84 results for "yuan su" in Engineering · Preprint
Engineering Preprint PDF DOI

A Nonasymptotic Theory of Gain-Dependent Error Dynamics in Behavior Cloning

Junghoon Seo · 2026

Behavior cloning (BC) policies on position-controlled robots inherit the closed-loop response of the underlying PD controller, yet the effect of controller gains on BC failure lacks a nonasymptotic th…

Read Paper →
Engineering Preprint PDF DOI

Level Crossing Rate Analysis for Optimal Single-user RIS Systems

Amy S. Inwood, Peter J. Smith, Philippa A. Martin, Graeme K. Woodward · 2026

We analyse the level crossing rate (LCR) of an uplink single-user (SU) reconfigurable intelligent surface (RIS) aided system. It is assumed that the RIS to base station (RIS-BS) channel is deployed as…

Read Paper →
Engineering Preprint PDF DOI

Multi-Functional RIS-enabled Radar and Communication Coexistence: Channel Modeling and a Sub-6 GHz Indoor Measurement Campaign

Anton Tishchenko, Demos Serghiou, Hamidreza Taghvaee, Arman Shojaeifard, Ahmed Elzanaty, Gabriele Gradoni, Mohsen Khalily, Rahim Tafazolli · 2026

In this work, we analyze a multi-functional reconfigurable intelligent surface (MF-RIS)-enabled radar and communication coexistence (RCC) system, detailing the key aspects of its phase synthesis codeb…

Read Paper →
Engineering Preprint PDF DOI

CoDS: Collaborative Perception via Digital Semantic Communication

Jipeng Gan, Le Liang, Hua Zhang, Chongtao Guo, Shi Jin · 2025

Semantic communication has been introduced into collaborative perception systems for autonomous driving, offering a promising approach to enhancing data transmission efficiency and robustness. Despite…

Read Paper →
Engineering Preprint PDF DOI

Hierarchical Deep Reinforcement Learning for Robust Access in Cognitive IoT Networks under Smart Jamming Attacks

Nadia Abdolkhani, Walaa Hamouda · 2025

In this paper, we address the challenge of dynamic spectrum access in a cognitive Internet of Things (CIoT) network where a secondary user (SU) operates under both energy constraints and adversarial i…

Read Paper →
Engineering Preprint PDF DOI

Enabling Full-Duplex LEO Satellite Systems with Non-Reciprocal BD-RIS-Assisted Beamforming

Ziang Liu, Wonjae Shin, Bruno Clerckx · 2025

Low Earth orbit (LEO) satellites are a promising technology for providing low-latency, high-data-rate, and wide-coverage communication services. However, with growing demand for data transmission, fut…

Read Paper →
Engineering Preprint PDF DOI

Stacked Intelligent Metasurfaces for Multicarrier Cognitive Radio ISAC

Alireza Fadakar, Andreas F. Molisch · 2025

The fusion of cognitive radio (CR) and integrated sensing and communication (ISAC), enabled by stacked intelligent metasurfaces (SIMs), offers a promising path for multi-functional programmable front …

Read Paper →
Engineering Preprint PDF DOI

RIS-based Communication Enhancement and Location Privacy Protection in UAV Networks

Ziqi Chen, Jun Du, Chunxiao Jiang, Tony Q. S. Quek, Zhu Han · 2025

With the explosive advancement of unmanned aerial vehicles (UAVs), the security of efficient UAV networks has become increasingly critical. Owing to the open nature of its communication environment, i…

Read Paper →
Engineering Preprint PDF DOI

Wavelet-Optimized Motion Artifact Correction in 3D MRI Using Pre-trained 2D Score Priors

Genyuan Zhang, Xuyang Duan, Songtao Zhu, Ao Wang, Fenglin Liu · 2025

Motion artifacts in magnetic resonance imaging (MRI) remain a major challenge, as they degrade image quality and compromise diagnostic reliability. Score-based generative models (SGMs) have recently s…

Read Paper →
Engineering Preprint PDF DOI

GDROS: A Geometry-Guided Dense Registration Framework for Optical-SAR Images under Large Geometric Transformations

Zixuan Sun, Shuaifeng Zhi, Ruize Li, Jingyuan Xia, Yongxiang Liu, Weidong Jiang · 2025

Registration of optical and synthetic aperture radar (SAR) remote sensing images serves as a critical foundation for image fusion and visual navigation tasks. This task is particularly challenging bec…

Read Paper →
Engineering Preprint PDF DOI

SIGN: Safety-Aware Image-Goal Navigation for Autonomous Drones via Reinforcement Learning

Zichen Yan, Rui Huang, Lei He, Shao Guo, Lin Zhao · 2025

Image-goal navigation (ImageNav) tasks a robot with autonomously exploring an unknown environment and reaching a location that visually matches a given target image. While prior works primarily study …

Read Paper →
Engineering Preprint PDF DOI

High SNR Probabilities of Continuous Fluid Antenna Systems in Ricean Environments

Amy S. Inwood, Peter J. Smith, Rajitha Senanayake, Michail Matthaiou · 2025

We consider a single-user (SU) continuous fluid antenna system (CFAS) employing matched filtering (MF) operating over a Ricean fading channel. Focusing on the upper tail of the received signal-to-nois…

Read Paper →
Engineering Preprint PDF DOI

Second Order Channel Statistics: An Analysis for Optimal Single-user RIS Systems

Amy S. Inwood, Peter J. Smith, Philippa A. Martin, Graeme K. Woodward · 2025

A key challenge facing reconfigurable intelligent surfaces (RISs) is channel state information acquisition. Passive RISs cannot generate pilot signals or process data, making rapid temporal changes in…

Read Paper →
Engineering Preprint PDF DOI

Time and Frequency Synchronization for Multiuser OTFS in Uplink

Mohsen Bayat, Sanoopkumar P.S., Arman Farhang · 2025

In this paper, we propose time and frequency synchronization techniques for uplink multiuser OTFS (MU-OTFS) systems in high-mobility scenarios. This work focuses on accurately estimating and correctin…

Read Paper →
Engineering Preprint PDF DOI

Sensing and Stopping Interfering Secondary Users: Validation of an Efficient Spectrum Sharing System

Meles Weldegebriel, Zihan Li, Dustin Maas, Greg Hellbourg, Ning Zhang, Neal Patwari · 2025

We present the design and validation of Stoppable Secondary Use (StopSec), a privacy-preserving protocol with the capability to identify a secondary user (SU) causing interference to a primary user (P…

Read Paper →
Engineering Preprint PDF DOI

Performance Characterization of Continuous Reconfigurable Intelligent Surfaces

Amy S. Inwood, Peter J. Smith, Mahmoud AlaaEldin, Michail Matthaiou · 2025

We consider a reconfigurable intelligent surface (RIS) that can implement a phase rotation continuously over the whole surface rather than via a finite number of discrete elements. Such an RIS can be …

Read Paper →
Engineering Preprint PDF DOI

ReflectGAN: Modeling Vegetation Effects for Soil Carbon Estimation from Satellite Imagery

Dristi Datta, Manoranjan Paul, Manzur Murshed, Shyh Wei Teng, Leigh M. Schmidtke · 2025

Soil organic carbon (SOC) is a critical indicator of soil health, but its accurate estimation from satellite imagery is hindered in vegetated regions due to spectral contamination from plant cover, wh…

Read Paper →
Engineering Preprint PDF DOI

Performance Optimization of Energy-Harvesting Underlay Cognitive Radio Networks Using Reinforcement Learning

Deemah H. Tashman, Soumaya Cherkaoui, Walaa Hamouda · 2025

In this paper, a reinforcement learning technique is employed to maximize the performance of a cognitive radio network (CRN). In the presence of primary users (PUs), it is presumed that two secondary …

Read Paper →
Engineering Preprint PDF DOI

Tendon-Actuated Concentric Tube Endonasal Robot (TACTER)

Kent K. Yamamoto, Tanner J. Zachem, Pejman Kheradmand, Patrick Zheng, Jihad Abdelgadir, Jared Laurance Bailey, Kaelyn Pieter, Patrick J. Codd, Yash Chitalia · 2025

Endoscopic endonasal approaches (EEA) have become more prevalent for minimally invasive skull base and sinus surgeries. However, rigid scopes and tools significantly decrease the surgeon's ability to …

Read Paper →
Engineering Preprint PDF DOI

Element-Grouping Strategy for Intelligent Reflecting Surface: Performance Analysis and Algorithm Optimization

Shengsheng Zhang, Taotao Ji, Meng Hua, Yongming Huang, Luxi Yang · 2025

As a revolutionary paradigm for intelligently controlling wireless channels, intelligent reflecting surface (IRS) has emerged as a promising technology for future sixth-generation (6G) wireless commun…

Read Paper →
Page 1 of 5 Next →