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🔍 wenbo su 📂 Engineering 📄 Preprint
Showing 71 results for "wenbo 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…

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Engineering Preprint PDF DOI

Shocks without shock capturing: Information geometric regularization of finite volume methods for Navier--Stokes-like problems

Anand Radhakrishnan, Benjamin Wilfong, Spencer H. Bryngelson, Florian Schafer · 2026

Shock waves in high-speed fluid dynamics produce near-discontinuities in the fluid momentum, density, and energy. Most contemporary works use artificial viscosity or limiters as numerical mitigation o…

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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…

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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…

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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…

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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…

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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 …

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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…

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Engineering Preprint PDF DOI

Zenbo Patrol: A Social Assistive Robot Based on Multimodal Deep Learning for Real-time Illegal Parking Recognition and Notification

Jian-jie Zheng, Chih-kai Yang, Po-han Chen, Lyn Chao-ling Chen · 2025

In the study, the social robot act as a patrol to recognize and notify illegal parking in real-time. Dual-model pipeline method and large multimodal model were compared, and the GPT-4o multimodal mode…

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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…

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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…

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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…

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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…

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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 …

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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…

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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 …

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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…

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Engineering Preprint PDF DOI

SuPreME: A Supervised Pre-training Framework for Multimodal ECG Representation Learning

Mingsheng Cai, Jiuming Jiang, Wenhao Huang, Che Liu, Rossella Arcucci · 2025

Cardiovascular diseases are a leading cause of death and disability worldwide. Electrocardiogram (ECG) is critical for diagnosing and monitoring cardiac health, but obtaining large-scale annotated ECG…

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Engineering Preprint PDF DOI

A First Look at the Performance Enhancement Potential of Fluid Reconfigurable Intelligent Surface

Abdelhamid Salem, Kai-Kit Wong, George Alexandropoulos, Chan-Byoung Chae, Ross Murch · 2025

The fluid antenna concept represents shape-flexible and position-flexible antenna technologies designed to enhance wireless communication applications. In this paper, we apply this concept to reconfig…

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Engineering Preprint PDF DOI

Toi uu hieu suat toc do dong co Servo DC su dung bo dieu khien PID ket hop mang no-ron

Le Tieu Nien, Pham Van Cuong, Nguyen Phuc Anh, Vu Ngoc Son · 2024

DC motors have been widely used in many industrial applications, from small jointed robots with multiple degrees of freedom to household appliances and transportation vehicles such as electric cars an…

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