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๐Ÿ” ruihang chu ๐Ÿ“‚ Engineering
Showing 310 results for "ruihang chu" in Engineering
Engineering Preprint PDF DOI

Time-Frequency Pilot Sequence Design and LoS Delay-Doppler Estimation

Aadarsh Devanand, Praful D. Mankar ยท 2026

We present a novel framework for line-of-sight (LoS) delay-Doppler (DD) estimation in dense scattering propagation environments. We present two time-frequency (TF) domain pilot sequences inspired by tโ€ฆ

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Engineering Preprint PDF DOI

An Innovation-Based Approach to Detect Stealthy Disturbance Attacks in Maritime Monitoring

Gabriele Oliva, Bianca Mazza, Roberto Setola ยท 2026

Modern maritime navigation and control systems rely on digital sensing, estimation, and communication pipelines that fuse GNSS, radar, inertial, and AIS data through approaches such as Kalman-filter-bโ€ฆ

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Engineering Preprint PDF DOI

Measurement-Based Ultra-Massive MIMO Statistical Channel Characterization and System Performance Evaluation for UMi Environments at 15 GHz FR3 Spectrum

Panpan Shi, Yang Wang, Xi Liao, Tianhao Li, Jiliang Zhang, Jie Zhang ยท 2026

This paper presents a detailed measurement campaign and a comprehensive analysis of 15 GHz ultra-massive multiple-input multiple-output (UM-MIMO) channels tailored for the urban microcell (UMi) enviroโ€ฆ

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Engineering Preprint PDF DOI

Communication-Aware Dissipative Output Feedback Control

Ingyu Jang, Leila J. Bridgeman ยท 2026

Communication-aware control is essential to reduce costs and complexity in large-scale networks. This work proposes a method to design dissipativity-augmented output feedback controllers with reduced โ€ฆ

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Engineering Preprint PDF DOI

Outage Probability Analysis of NOMA Enabled Hierarchical UAV Networks with Non-Linear Energy Harvesting

Faicel Khennoufa, Khelil Abdellatif, Metin Ozturk, Halim Yanikomeroglu, Safwan Alfattani ยท 2026

Uncrewed aerial vehicles (UAVs) are expected to enhance connectivity, extend network coverage, and support advanced communication services in sixth-generation (6G) cellular networks, particularly in pโ€ฆ

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Engineering Preprint PDF DOI

Dual Agreement Consistency Learning with Foundation Models for Semi-Supervised Fetal Heart Ultrasound Segmentation and Diagnosis

Fangyijie Wang, Guenole Silvestre, Kathleen M. Curran ยท 2026

Congenital heart disease (CHD) screening from fetal echocardiography requires accurate analysis of multiple standard cardiac views, yet developing reliable artificial intelligence models remains challโ€ฆ

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Engineering Preprint PDF DOI

A Baseline Mobility-Aware IRS-Assisted Uplink Framework With Energy-Detection-Based Channel Allocation

Ardavan Rahimian ยท 2026

This paper develops a self-contained framework for studying a mobility-aware intelligent reflecting surface (IRS)-assisted multi-node uplink under simplified but explicit modeling assumptions. The conโ€ฆ

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Engineering Preprint PDF DOI

From Passive Monitoring to Active Defence: Resilient Control of Manipulators Under Cyberattacks

Gabriele Gualandi, Alessandro V. Papadopoulos ยท 2026

Cyber-physical robotic systems are vulnerable to false data injection attacks (FDIAs), in which an adversary corrupts sensor signals while evading residual-based passive anomaly detectors such as the โ€ฆ

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Engineering Preprint PDF DOI

Rethinking Gaussian Trajectory Predictors: Calibrated Uncertainty for Safe Planning

Fatemeh Cheraghi Pouria, Mahsa Golchoubian, Katherine Driggs-Campbell ยท 2026

Accurate trajectory prediction is critical for safe autonomous navigation in crowded environments. While many trajectory predictors output Gaussian distributions to represent the multi-modal distributโ€ฆ

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Engineering Preprint PDF DOI

Doppler Shift Keying Modulation for Uplink Multiple Access over Doubly-Dispersive Channels

Xuehan Wang, Jintao Wang, Hai Lin, Jinhong Yuan, Xu Shi, Hengyu Zhang, Jian Song ยท 2026

The delay-Doppler (DD) domain modulation has been regarded as one of the most competitive candidates to support wireless communications for emerging high-mobility applications in the sixth-generation โ€ฆ

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Engineering Preprint PDF DOI

Orientation-Robust Latent Motion Trajectory Learning for Annotation-free Cardiac Phase Detection in Fetal Echocardiography

Yingyu Yang, Qianye Yang, Can Peng, Elena D'Alberti, Olga Patey, Aris T. Papageorghiou, J.Alison Noble ยท 2026

Fetal echocardiography is essential for detecting congenital heart disease (CHD), facilitating pregnancy management, optimized delivery planning, and timely postnatal interventions. Among standard imaโ€ฆ

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Engineering Preprint PDF DOI

Experimental Validation of SBFD ISAC in an FR3 Distributed SIMO Testbed

Bixing Yan, Kwadwo Mensah Obeng Afrane, Achiel Colpaert, Andre Kokkeler, Sofie Pollin, Yang Miao ยท 2026

Integrated sensing and communication (ISAC) is a key enabler for future radio networks. This paper presents a sub-band full-duplex (SBFD) ISAC system that assigns non-overlapping OFDM subbands to sensโ€ฆ

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Engineering Preprint PDF DOI

Traffic Collisions: Temporal Patterns and Severity-Weighted Hotspot Analysis

Nael Alsaleh, Noura Falis, Tareq Alsaleh, Farah Ba Fakih ยท 2026

Understanding traffic collision patterns is of high importance for effective road safety planning in fast-growing urban environments. This study examines the temporal and spatial patterns of traffic cโ€ฆ

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Engineering Preprint PDF DOI

SSC-UNet: UNet with Self-Supervised Contrastive Learning for Phonocardiography Noise Reduction

Lizy Abraham, Siobhan Coughlan, Kritika Rajain, Changhong Li, Saji Philip, Adam James ยท 2026

Congenital Heart Disease (CHD) remains a significant global health concern affecting approximately 1\% of births worldwide. Phonocardiography has emerged as a supplementary tool to diagnose CHD cost-eโ€ฆ

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Engineering Preprint PDF DOI

ASCHOPLEX encounters Dafne: a federated continuous learning project for the generalizability of the Choroid Plexus automatic segmentation

Valentina Visani, Marco Pinamonti, Valentina Sammassimo, Manuela Moretto, Mattia Veronese, Agnese Tamanti, Francesca Benedetta Pizzini, Massimiliano Calabrese, Marco Castellaro, Francesco Santini ยท 2025

The Choroid Plexus (ChP) is a highly vascularized brain structure that plays a critical role in several physiological processes. ASCHOPLEX, a deep learning-based segmentation toolbox with an integrateโ€ฆ

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Engineering Preprint PDF DOI

Modular Landfill Remediation for AI Grid Resilience

Qi He, Chunyu Qu ยท 2025

Rising AI electricity demand and persistent landfill methane emissions constitute coupled constraints on U.S. digital infrastructure and decarbonization. While China has achieved a rapid 'de-landfilliโ€ฆ

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Engineering Preprint PDF DOI

Wavelet-Packet-based Noise Signatures With Higher-Order Statistics for Anomaly Prediction

Indrakshi Dey, Ilias Cherkaoui, Mohamed Khalafalla Hassan ยท 2025

This note develops the first-ever noise-centric anomaly prediction method for a fused discrete-time signal. A Wavelet Packet Transform (WPT) provides a time--frequency expansion in which structure andโ€ฆ

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Engineering Preprint PDF DOI

TokCom-UEP: Semantic Importance-Matched Unequal Error Protection for Resilient Image Transmission

Kaizheng Zhang, Zuolin Jin, Zhihang Cheng, Ming Zeng, Li Qiao, Zesong Fei ยท 2025

Based on the provided LaTeX code, here is the metadata for the submission form: Title: TokCom-UEP: Semantic Importance-Matched Unequal Error Protection for Resilient Image Transmission Author(s): Kaizโ€ฆ

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Engineering Preprint PDF DOI

Optimal Bit Detection in Thermal Noise Communication Systems Under Rician Fading

Mohamed El Jbari, Fernando D. A. Garcia, Hugerles S. Silva, Felipe A. P. de Figueiredo, Rausley A. A. de Souza ยท 2025

Thermal noise communication (TNC) enables ultra-low-power wireless links for Internet of Things (IoT) devices by modulating the variance of thermal noise, rather than using active carriers. Existing aโ€ฆ

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Engineering Preprint PDF DOI

Beyond the Expiry Date: Uncovering Hidden Value in Functional Drink Waste for a Circular Future

Yiying He, Zhiqiang Zuo, Yianni Alissandratos, Penny Willson, Shameem Kazmi, Alex P. S. Brogan, Miao Guo ยท 2025

Expired functional drinks have great valorisation potential due to the high concentration of organic molecules present. However, detailed information of the resources in these expired functional drinkโ€ฆ

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