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๐Ÿ” petros elia ๐Ÿ“‚ Engineering
Showing 195 results for "petros elia" in Engineering
Engineering Preprint PDF DOI

MACAW: Matching-free Acquisition of Channels with Anisotropic Wavefronts

Heling Zhang, Shidong Zhou ยท 2026

The escalating data rate demands of future wireless communications necessitate the deployment of extremely large aperture arrays (ELAA) at base stations. In such configurations, wireless channel charaโ€ฆ

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Engineering Preprint PDF DOI

Perron-Frobenius Contractive Operator Matching for Data-Driven Reachable Fault Identification and Recovery

Joshua D. Ibrahim, Mahdi Taheri, Soon-Jo Chung, Fred Y. Hadaegh ยท 2026

This paper focuses on data-driven fault detection, identification, and recovery (FDIR) for nonlinear control-affine systems under actuator faults. We create a unified framework in the space of probabiโ€ฆ

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Engineering Preprint PDF DOI

Full Motion State Localization with Extra Large Aperture Arrays

Wasif J. Hussain, Don-Roberts Emenonye, R. Michael Buehrer, Harpreet S. Dhillon ยท 2026

Conventional localization techniques typically assume far-field (FF) propagation characterized by planar wavefronts and simplified spatial relationships. The use of higher carrier frequencies has giveโ€ฆ

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Engineering Preprint PDF DOI

SafeGuard ASF: SR Agentic Humanoid Robot System for Autonomous Industrial Safety

Thanh Nguyen Canh, Thang Tran Viet, Thanh Tuan Tran, Ben Wei Lim ยท 2026

The rise of unmanned ``dark factories'' operating without human presence demands autonomous safety systems capable of detecting and responding to multiple hazard types. We present SafeGuard ASF (Agentโ€ฆ

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Engineering Preprint PDF DOI

JSSAnet: Theory-Guided Subchannel Partitioning and Joint Spatial Attention for Near-Field Channel Estimation

Zhiming Zhu, Shu Xu, Chunguo Li, Yongming Huang, Luxi Yang ยท 2026

The deployment of extremely large-scale antenna array (ELAA) in sixth-generation (6G) communication systems introduces unique challenges for efficient near-field channel estimation. To tackle these isโ€ฆ

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Engineering Preprint PDF DOI

4D Fresnel Space-Time Modulation for Near-Field ELAA: Kinematic Multiplexing and O(N log N) Precoding at Sub-THz Frequencies

Rahul Gulia ยท 2026

Extremely Large Antenna Arrays (ELAA) operating at sub-terahertz frequencies introduce a regime where near-field Fresnel propagation and high-mobility carrier Doppler interact simultaneously, creatingโ€ฆ

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Engineering Preprint PDF DOI

vAccSOL: Efficient and Transparent AI Vision Offloading for Mobile Robots

Adam Zahir, Michele Gucciardom Falk Selker, Anastasios Nanos, Kostis Papazafeiropoulos, Carlos J. Bernardos, Nicolas Weber, Roberto Gonzalez ยท 2026

Mobile robots are increasingly deployed for inspection, patrol, and search-and-rescue operations, relying on computer vision for perception, navigation, and autonomous decision-making. However, executโ€ฆ

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Engineering Preprint PDF DOI

GP Bandit-Assisted Two-Stage Sparse Phase Retrieval for Amplitude-Only Near-Field Beam Training

Zijun Wang, Shawn Tsai, Ye Hu, Rui Zhang ยท 2026

The transition to Extremely Large Antenna Arrays (ELAA) in 6G introduces significant near-field effects, necessitating robust near-field beam training strategies in multi-path environments. Because siโ€ฆ

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Engineering Preprint PDF DOI

Hyper-reduction-free reduced-order Newton solvers for projection-based model-order reduction of nonlinear dynamical systems

Liam K. Magargal, Parisa Khodabakhshi, Steven N. Rodriguez ยท 2026

This study proposes an intrusive projection-based model-order reduction framework for nonlinear problems with a polynomial structure, solved iteratively using a Newton solver in the reduced space. It โ€ฆ

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Engineering Preprint PDF DOI

Optimized Human-Robot Co-Dispatch Planning for Petro-Site Surveillance under Varying Criticalities

Nur Ahmad Khatim, Mansur Arief ยท 2026

Securing petroleum infrastructure requires balancing autonomous system efficiency with human judgment for threat escalation, a challenge unaddressed by classical facility location models assuming homoโ€ฆ

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Engineering Preprint PDF DOI

A Tutorial on 3GPP Rel-19 Channel Modeling for 6G FR3 (7-24 GHz): From Standard Specification to Simulation Implementation

Pan Tang, Huixin Xu, Jianhua Zhang, Ximan Liu, Enrui Liu, Haiyang Miao, Xiaodong Sun, Wei Jiang, Guangyi Liu ยท 2026

The upper-mid band (7-24 GHz), designated as Frequency Range 3 (FR3), has emerged as a definitive ``golden band" for 6G networks, strategically balancing the wide coverage of sub-6 GHz with the high cโ€ฆ

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Engineering Preprint PDF DOI

NeuroSleep: Neuromorphic Event-Driven Single-Channel EEG Sleep Staging for Edge-Efficient Sensing

Boyu Li, Xingchun Zhu, Yonghui Wu ยท 2026

Objective. Reliable, continuous neural sensing on wearable edge platforms is fundamental to long-term health monitoring; however, for electroencephalography (EEG)-based sleep monitoring, dense high-frโ€ฆ

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Engineering Preprint PDF DOI

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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Engineering Preprint PDF DOI

HetroD: A High-Fidelity Drone Dataset and Benchmark for Autonomous Driving in Heterogeneous Traffic

Yu-Hsiang Chen, Wei-Jer Chang, Christian Kotulla, Thomas Keutgens, Steffen Runde, Tobias Moers, Christoph Klas, Wei Zhan, Masayoshi Tomizuka, Yi-Ting Chen ยท 2026

We present HetroD, a dataset and benchmark for developing autonomous driving systems in heterogeneous environments. HetroD targets the critical challenge of navi- gating real-world heterogeneous traffโ€ฆ

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Engineering Preprint PDF DOI

Integrated Channel Estimation and Sensing for Near-Field ELAA Systems

Jionghui Wang, Jun Fang, Hongbin Li, Boyu Ning ยท 2026

In this paper, we study the problem of uplink channel estimation for near-filed orthogonal frequency division multiplexing (OFDM) systems, where a base station (BS), equipped with an extremely large-sโ€ฆ

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Engineering Preprint PDF DOI

Near-Field Position and Orientation Tracking With Hybrid ELAA Architecture

Lin Chen, Xiaojun Yuan, Ying-Jun Angela Zhang ยท 2025

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 (BS) with a limitedโ€ฆ

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Engineering Preprint PDF DOI

A Novel Pilot Scheme for Uplink Channel Estimation for Sub-array Structured ELAA in XL-MIMO systems

Yumeng Zhang, Huayan Guo, Vincent Lau ยท 2025

This paper proposes a novel pilot scheme for multi-user uplink channel estimation in extra-large-scale massive MIMO (XL-MIMO) systems with extremely large aperture arrays (ELAA). The large aperture ofโ€ฆ

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Engineering Preprint PDF DOI

A Residual Variance Matching Recursive Least Squares Filter for Real-time UAV Terrain Following

Xiaobo Wu, Youmin Zhang ยท 2025

Accurate real-time waypoints estimation for the UAV-based online Terrain Following during wildfire patrol missions is critical to ensuring flight safety and enabling wildfire detection. However, existโ€ฆ

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Engineering Preprint PDF DOI

A Unified Low-rank ADI Framework with Shared Linear Solves for Simultaneously Solving Multiple Lyapunov, Sylvester, and Riccati Equations

Umair Zulfiqar, Zhong-Yi Huang, Qiu-Yan Song, Zhi-Yuan Gao ยท 2025

The alternating direction implicit (ADI) methods are computationally efficient and numerically effective tools for computing low-rank solutions of large-scale linear matrix equations. It is known in tโ€ฆ

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Engineering Preprint PDF DOI

ELiC: Efficient LiDAR Geometry Compression via Cross-Bit-depth Feature Propagation and Bag-of-Encoders

Junsik Kim, Gun Bang, Soowoong Kim ยท 2025

Hierarchical LiDAR geometry compression encodes voxel occupancies from low to high bit-depths, yet prior methods treat each depth independently and re-estimate local context from coordinates at every โ€ฆ

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