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Showing 962 results for "uca)" in Engineering
Engineering Preprint PDF DOI

Rotatable Antenna Enabled Covert Communication

Qi Dai, Beixiong Zheng, Yanhua Tan, Weidong Mei, Shiqi Gong, Jie Tang, Chengwen Xing ยท 2026

Unlike conventional fixed-antenna architectures, rotatable antenna (RA) has shown great potential in enhancing wireless communication performance by exploiting additional spatial degrees of freedom (Dโ€ฆ

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Engineering Preprint PDF DOI

MapGCLR: Geospatial Contrastive Learning of Representations for Online Vectorized HD Map Construction

Jonas Merkert, Alexander Blumberg, Jan-Hendrik Pauls, Christoph Stiller ยท 2026

Autonomous vehicles rely on map information to understand the world around them. However, the creation and maintenance of offline high-definition (HD) maps remains costly. A more scalable alternative โ€ฆ

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Engineering Preprint PDF DOI

Emotion-Aware Prefix: Towards Explicit Emotion Control in Voice Conversion Models

Haoyuan Yang, Mu Yang, Jiamin Xie, Szu-Jui Chen, John H.L. Hansen ยท 2026

Recent advances in zero-shot voice conversion have exhibited potential in emotion control, yet the performance is suboptimal or inconsistent due to their limited expressive capacity. We propose Emotioโ€ฆ

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Engineering Preprint PDF DOI

Mitigating Mixed-field Interference in Near-field and Far-field Communications: An Antenna Selection Approach

Tianyu Liu, Changsheng You, Chao Zhou, Mingjiang Wu, Ming-Min Zhao, Zhaocheng Wang ยท 2026

In mixed near-field and far-field systems, the nonorthogonality between near-field and far-field channels may cause severe inter-user interference and hence degrade rate performance, when the analog bโ€ฆ

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Engineering Preprint PDF DOI

Taming the Bessel Landscape: Joint Antenna Position Optimization for Spatial Decorrelation in Fluid MIMO Systems

Tuo Wu, Kai-Kit Wong, Baiyang Liu, Kin-Fai Tong, Hyundong Shin ยท 2026

When the concept of fluid antenna system (FAS) is applied to multiple-input multiple-output (MIMO) systems, this gives rise to MIMO-FAS, a.k.a.~fluid MIMO. Under rich scattering, the spatial correlatiโ€ฆ

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Engineering Preprint PDF DOI

Cross-linguistic Prosodic Analysis of Autistic and Non-autistic Child Speech in Finnish, French and Slovak

Ida-Lotta Myllyla, Sofoklis Kakouros ยท 2026

Prosodic differences in autism are well-documented, but cross-linguistic evidence remains limited. This study investigates prosody in autism across a multilingual corpus of Finnish, French, and Slovakโ€ฆ

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Engineering Preprint PDF DOI

Can a Building Work as a Reservoir: Footstep Localization with Embedded Accelerometer Networks

Jun Wang, Rodrigo Sarlo, Suyi Li ยท 2026

Using floor vibrations to accurately predict occupants' footstep locations is essential for smart building operation and privacy-preserving indoor sensing. However, existing approaches are dominated bโ€ฆ

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Engineering Preprint PDF DOI

Interpreting Speaker Characteristics in the Dimensions of Self-Supervised Speech Features

Kyle Janse van Rensburg, Benjamin van Niekerk, Herman Kamper ยท 2026

How do speech models trained through self-supervised learning structure their representations? Previous studies have looked at how information is encoded in feature vectors across different layers. Buโ€ฆ

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Engineering Preprint PDF DOI

Battery Lifetime Prediction using Data-driven Modeling Approaches

Vikram C Patil ยท 2026

Batteries are ubiquitous today, with applications ranging from smartphones, watches, and laptops to electric cars, drones, and electric aircraft. Lithium-ion batteries are widely used in these applicaโ€ฆ

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Engineering Preprint PDF DOI

Autonomous Inspection of Power Line Insulators with UAV on an Unmapped Transmission Tower

Vaclav Riss, Vit Kratky, Robert Penicka, Martin Saska ยท 2026

This paper introduces an online inspection algorithm that enables an autonomous UAV to fly around a transmission tower and obtain detailed inspection images without a prior map of the tower. Our algorโ€ฆ

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Engineering Preprint PDF DOI

Resilient Cell-Free Massive MIMO Networks

Junbin Yu, Tianyu Lu, Mohammadali Mohammadi, Michail Matthaiou ยท 2026

This paper proposes a novel optimization framework for enhancing the security resilience of cell-free massive multiple-input multiple-output (CF-mMIMO) networks with multi-antenna access points (APs) โ€ฆ

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Toward AI Autonomous Navigation for Mechanical Thrombectomy using Hierarchical Modular Multi-agent Reinforcement Learning (HM-MARL)

Harry Robertshaw, Nikola Fischer, Lennart Karstensen, Benjamin Jackson, Xingyu Chen, S.M.Hadi Sadati, Christos Bergeles, Alejandro Granados, Thomas C Booth ยท 2026

Mechanical thrombectomy (MT) is typically the optimal treatment for acute ischemic stroke involving large vessel occlusions, but access is limited due to geographic and logistical barriers. Reinforcemโ€ฆ

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Engineering Preprint PDF DOI

Conditional Flow Matching for Continuous Anomaly Detection in Autonomous Driving on a Manifold-Aware Spectral Space

Antonio Guillen-Perez ยท 2026

Safety validation for Level 4 autonomous vehicles (AVs) is currently bottlenecked by the inability to scale the detection of rare, high-risk long-tail scenarios using traditional rule-based heuristicsโ€ฆ

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Robust SAC-Enabled UAV-RIS Assisted Secure MISO Systems With Untrusted EH Receivers

Hamid Reza Hashempour, Le-Nam Tran, Duy H. N. Nguyen, Hien Quoc Ngo ยท 2026

This paper investigates secure downlink transmission in a UAV-assisted reconfigurable intelligent surface (RIS)-enabled multiuser multiple-input single-output network, where legitimate information-harโ€ฆ

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Engineering Preprint PDF DOI

Camel: Frame-Level Bandwidth Estimation for Low-Latency Live Streaming under Video Bitrate Undershooting

Liming Liu, Zhidong Jia, Li Jiang, Wei Zhang, Lan Xie, Feng Qian, Leju Yan, Bing Yan, Qiang Ma, Zhou Sha, Wei Yang, Yixuan Ban, Xinggong Zhang ยท 2026

Low-latency live streaming (LLS) has emerged as a popular web application, with many platforms adopting real-time protocols such as WebRTC to minimize end-to-end latency. However, we observe a counterโ€ฆ

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When Movable Antennas Meet RSMA and RIS: Robust Beamforming Design With Channel Uncertainty

Muhammad Asif, Asim Ihsan, Zhongliang Wang, Manzoor Ahmed, Xingwang Li, Arumugam Nallanathan, Symeon Chatzinotas ยท 2026

In this work, we propose an intelligent optimization framework for a multi-user communication system integrating movable antennas (MAs) and a reconfigurable intelligent surface (RIS) under the rate-spโ€ฆ

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Physics-Inspired Target Shape Detection and Reconstruction in mmWave Communication Systems

Ziqing Xing, Zhaoyang Zhang, Xin Tong, Zhaohui Yang, Chongwen Huang ยท 2026

The integration of sensing and communication (ISAC) is an essential function of future wireless systems. Due to its large available bandwidth, millimeter-wave (mmWave) ISAC systems are able to achieveโ€ฆ

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Uncovering Residual Factors in Financial Time Series via PCA and MTP2-constrained Gaussian Graphical Models

Koshi Watanabe, Ryota Ozaki, Kentaro Imajo, Masanori Hirano ยท 2026

Financial time series are commonly decomposed into market factors, which capture shared price movements across assets, and residual factors, which reflect asset-specific deviations. To hedge the markeโ€ฆ

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An Anatomy-specific Guidewire Shaping Robot for Improved Vascular Navigation

Aabha Tamhankar, Jay Patil, Giovanni Pittiglio ยท 2026

Neuroendovascular access often relies on passive microwires that are hand-shaped at the back table and then used to track a microcatheter to the target. Neuroendovascular surgeons determine the shape โ€ฆ

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Estimation of Cell-to-Cell Variation and State of Health for Battery Modules with Parallel-Connected Cells

Qinan Zhou, Jing Sun ยท 2026

Estimating cell-to-cell variation (CtCV) and state of health (SoH) for battery modules composed of parallel-connected cells is challenging when only module-level signals are measurable and individual โ€ฆ

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