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Showing 4025 results for "holger dell" in Engineering
Engineering Preprint PDF DOI

Feedback Linearization of Hyperbolic PDEs with Volterra Nonlinearities

Miroslav Krstic ยท 2026

Alberto Isidori's framework of geometric nonlinear control, and particularly of feedback linearization, is the inspiration behind PDE backstepping: apply a transfromation of the state to cast the planโ€ฆ

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Engineering Preprint PDF DOI

High Coupling Tunable Acoustic Resonators in Monolithic Barium Titanate

Ian Anderson, Agham Posadas, Alexander A. Demkov, Ruochen Lu ยท 2026

The growing number of wireless communication bands has driven demand for compact, low-loss, and frequency adjustable RF filtering. Tunable acoustic resonators are well suited to address these needs, oโ€ฆ

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Engineering Preprint PDF DOI

A Novel Reinforcement Learning Based Framework for Scalable MIMO Interference Alignment

Samitha Gunarathne, Eslam Eldeeb, Nurul Huda Mahmood, Italo Atzeni ยท 2026

Interference alignment (IA) is a widely recognized approach for mitigating inter-cell interference in multi-user multiple-input multiple-output (MIMO) networks. Despite its effectiveness, practical deโ€ฆ

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Engineering Preprint PDF DOI

A Miniaturized Broadband 1-Bit Coding Reconfigurable Intelligent Surface for NLOS UE Localization and Uplink Communication

Khagendra Joshi, Deepak Kumar Sahoo, Kamalesh Kumar K, Debidas Kundu, Vivek A. Bohara, Amalendu Patnaik ยท 2026

In this paper, a broadband 1-bit coding metasurface-based reconfigurable intelligent surface (RIS) is presented. The unit cell of the metasurface consists of a wide dipole modified with interdigital cโ€ฆ

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Engineering Preprint PDF DOI

Joint Hybrid Beamforming and Trajectory Design for Multi-UAV-Enabled Cell-Free Multi-Static ISAC

Chen Chaoran, Zhang Yuhao, Pan Zhiwen, Liu Nan ยท 2026

This paper investigates a joint hybrid digital-analog beamforming and trajectory design for a cell-free multi-static integrated sensing and communication (ISAC) system supported by multiple unmanned aโ€ฆ

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Engineering Preprint PDF DOI

Coordinated Multipoint Anti-jamming Beam Pattern Synthesis: From AI Accelerated Algorithm to Hardware Implementation

Zilong Wang, Cheng Zhang, Zhilei Zhang, Yaxuan Hu, Wen Wang, Yongming Huang ยท 2026

This paper presents a deep unfolding-supported coordinated multipoint beam pattern synthesis (DUCoMP-BPS) scheme to overcome the high complexity, poor adaptability, and limited scalability of traditioโ€ฆ

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Engineering Preprint PDF DOI

A 99-Line Homogenization Code for Lattice-skin Plate Structures

Zhongkai Ji, Dawei Li, Yong Zhao, Wenhe Zhao ยท 2026

Recent years have seen growing application potential for Lattice-skin Plate Structures in advanced manufacturing fields such as aerospace and automotive engineering. For multiscale performance evaluatโ€ฆ

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Engineering Preprint PDF DOI

Efficient Design of Fronthaul-Constrained Uplink Reception for Cell-Free XL-MIMO

Dogon Kim, Hyunmin Noh, Seok-Hwan Park ยท 2026

With the evolution of multiple-input multiple-output (MIMO) technology toward extremely large (XL) MIMO systems comprising hundreds of, or more, antennas, this work investigates scalable and fronthaulโ€ฆ

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Engineering Preprint PDF DOI

Pilot-Free Predictive Multi-User Beamforming via Sensing Management in Cell-Free Networks

Eren Berk Kama, Murat Babek Salman, Isaac Skog, Emil Bjornson ยท 2026

This paper presents a sensing management frame- work for integrated sensing and communications (ISAC) within cell-free massive multiple-input multiple-output (MIMO) systems to reduce pilot-based channโ€ฆ

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Engineering Preprint PDF DOI

Mass Matrix Assembly on Tensor Cores for Implicit Particle-In-Cell Methods

Luca Pennati, Stefano Markidis ยท 2026

Matrix-multiply-accumulate (MMA) units, or tensor cores, are now widespread across modern computing architectures. Yet, their use for particle-grid operators remains limited. In implicit particle methโ€ฆ

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Engineering Preprint PDF DOI

QoS-Constrained Scheduling in Multi-Cell Multi-User MIMO Networks

Tenghao Cai, Lei Li, Tsung-Hui Chang ยท 2026

In 5G and beyond networks, efficient scheduling is essential to exploit the gains of multi-user MIMO (MU-MIMO) equipped with carrier aggregation and joint transmission (JT). However, cross-cell and crโ€ฆ

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Engineering Preprint PDF DOI

An Implicit Compact-Kernel Material Point Method for Computational Solid Mechanics

Qirui Fu, Yupeng Jiang, Minchen Li ยท 2026

The numerical performance of the material point method (MPM) is strongly governed by the particle-grid kernel, which controls the trade-off among smoothness, locality, numerical diffusion, contact accโ€ฆ

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Engineering Preprint PDF DOI

A Safe and Stable Controller for Fuel Cell Systems Using Adaptation and Reference Governors

Mychal Amoafo, Ilya Kolmanovsky, Anuradha Annaswamy ยท 2026

This paper proposes a control architecture integrating adaptation with Lyapunov-based Reference Governors (LRGs) to ensure state constraint satisfaction for first-order systems with parametric uncertaโ€ฆ

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Engineering Preprint PDF DOI

Simulation of Switching Converters on the Level of Averaged Voltages and Currents

Aleksandra Lekic, Predrag Pejovic ยท 2026

An algorithm for simulation of switching converters is proposed in the paper. The algorithm is based on simulation of averaged circuit model applying "switching cell" concept, and construction of instโ€ฆ

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Engineering Preprint PDF DOI

Simulation of Switching Converters on the Level of Averaged Voltages and Currents

Aleksandra Lekic, Predrag Pejovic ยท 2026

An algorithm for simulation of switching converters is proposed in the paper. The algorithm is based on simulation of averaged circuit model applying "switching cell" concept, and construction of instโ€ฆ

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Engineering Preprint PDF DOI

Joint Detection and Velocity Estimation in OFDM-ISAC Cell-Free Massive MIMO Networks

Maryam Darabi, Sergi Liesegang, Emanuele Grossi, Stefano Buzzi ยท 2026

This paper develops a Doppler-aware sensing framework for cell-free massive MIMO (CF-mMIMO) networks operating under OFDM-based integrated sensing and communication (ISAC). The framework explicitly inโ€ฆ

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Engineering Preprint PDF DOI

RIS-Assisted Cell-Free Massive MIMO: RIS-MS Selection in FR1 and FR3

Alejandro de la Fuente, Fernando Galindo, Uriel Garcia-Barbulo, Sandra-Noemy Arana-Alegre, Jan Garcia-Morales ยท 2026

This paper explores the integration of reconfigurable intelligent surfaces (RISs) into cell-free massive multiple-input-multiple-output (CF-mMIMO) networks operating in FR1 and FR3 frequency bands. Weโ€ฆ

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Engineering Preprint PDF DOI

Conjugate Beamforming Variants for Multicasting in Cell-Free Massive MIMO Systems

Alejandro de la Fuente, Adrian Espinosa, Jan Garcia-Morales, Guillem Femenias, Felip Riera-Palou ยท 2026

This paper studies scalable conjugate beamforming (CB) variants for physical-layer multicasting in cell-free massive multiple-input multiple-output (CF-mMIMO) systems. Focusing on fully distributed prโ€ฆ

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Engineering Preprint PDF DOI

VIDS: A Verified Imaging Dataset Standard for Medical AI

Joan S. Muthu, John Shalen ยท 2026

Medical imaging AI development is fundamentally dependent on annotated datasets, yet no existing standard provides machine-enforceable validation across dataset structure, annotation provenance, qualiโ€ฆ

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Engineering Preprint PDF DOI

Learning a Non-linear Surrogate Model for Multistage Stochastic Transmission Planning

Victor Schmitt, Farzaneh Pourahmadi, Angela Flores-Quiroz, Pablo Apablaza, Pierluigi Mancarella ยท 2026

Transmission expansion planning (TEP) plays a critical role in ensuring power system reliability and facilitating the integration of renewable energy resources. However, this process requires plannersโ€ฆ

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