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🔍 thomas stifter 📂 Engineering 📄 Preprint
Showing 688 results for "thomas stifter" in Engineering · Preprint
Engineering Preprint PDF DOI

Pinching Antenna-Aided Spatial Multiplexing: Transceiver Design and Performance Analysis

Ruijie Li, Yue Xiao, Shuaixin Yang, Gang Wu, Xianfu Lei, Ming Xiao · 2026

In this paper, a novel pinching antenna-aided spatial multiplexing (PASM) architecture is conceived, which intrinsically amalgamates the benefits of flexible radiating element placement with radio-fre…

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Engineering Preprint PDF DOI

Local Shifted Passivity Analysis of the Single-Machine Infinite-Bus System

Xinyuan Jiang · 2026

This letter presents a shifted passivity analysis of the single-machine infinite-bus system in the stationary ($\alpha\beta$) reference frame. We study the attractivity of a periodic synchronous stead…

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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 · 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 a…

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Engineering Preprint PDF DOI

Fundamental Theorems on Controllability in Wave-domain Processing for Holographic MIMO

Davide Dardari · 2026

Wave-domain processing is an emerging paradigm where signal processing operations are partially shifted from the digital to the electromagnetic (EM) domain. Leveraging reconfigurable EM devices, this …

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Engineering Preprint PDF DOI

Defining Robust Ultrasound Quality Metrics via an Ultrasound Foundation Model

Ziyang Huang, Bingyan Li, Chen Ma, Tianyi Liu, Yihui Zhai, Hong Xu, Yi Guo, Zeju Li, Yuanyuan Wang · 2026

Clinicians lack a principled framework to quantify diagnostic utility in ultrasound reconstructions. Existing standards like PSNR and VGG-LPIPS are inadequate, failing to account for modality-specific…

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Engineering Preprint PDF DOI

Thrust Regulation Through Wing Linkage Modulation on the Aerobat Platform: Piezoelectric Slip-Stick Actuated Regulator Development

Luca Ciampaglia · 2026

Aerobat is a bat-inspired flapping-wing robot with a wing gait generate by the computational structure, a planar linkage of carbon fiber links driven by a single motor. This design minimizes weight bu…

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Engineering Preprint PDF DOI

Quasi-Constant Modulus Design for Nonlinearity-Tolerant Geometric Shaped Four Dimensional Modulation Format

Junzhe Xiao, Zekun Niu, Lyu Li, Minghui Shi, Weisheng Hu, Lilin Yi · 2026

In this paper, the quasi-constant modulus (QCM) property is analyzed and leveraged in the design of nonlinearity-tolerant four-dimensional (4D) modulation formats. Accordingly, we propose a family of …

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Engineering Preprint PDF DOI

Symbol-Level Mask-Compliant Hybrid Precoding for Multi-User MIMO-OFDM Systems

Navid Reyhanian, Parisa Ramezani, Emil Bjornson · 2026

Millimeter-wave (mmWave) technology is a crucial enabler for next-generation networks because it offers substantially greater available bandwidth. mmWave multiple-input multiple-output (MIMO) systems …

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Engineering Preprint PDF DOI

DTEA: A Dual-Topology Elastic Actuator Enabling Real-Time Switching Between Series and Parallel Compliance

Vishal Ramesh, Aman Singh, Shishir Kolathaya · 2026

Series and parallel elastic actuators offer complementary but mutually exclusive advantages, yet no existing actuator enables real-time transition between these topologies during operation. This paper…

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Engineering Preprint PDF DOI

A shifted interface approach for internal discontinuities in poroelastic media

David Michael Riley, Guglielmo Scovazzi, Ioannis Stefanou · 2026

Porous media containing cracks, fractures, or internal discontinuities arise throughout subsurface geomechanics, biomechanics, and materials science. Numerical simulation of the coupled hydromechanica…

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Engineering Preprint PDF DOI

Fail2Drive: Benchmarking Closed-Loop Driving Generalization

Simon Gerstenecker, Andreas Geiger, Katrin Renz · 2026

Generalization under distribution shift remains a central bottleneck for closed-loop autonomous driving. Although simulators like CARLA enable safe and scalable testing, existing benchmarks rarely mea…

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Engineering Preprint PDF DOI

Dead Code Doesn't Talk: Authentic Requirements Elicitation in Introductory Software Engineering

Santiago Berrezueta-Guzman, Vanesa Metaj, Stefan Wagner · 2026

Requirements elicitation is among the most communication-intensive activities in software engineering, yet it receives limited explicit treatment in undergraduate curricula. This paper presents a case…

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Engineering Preprint PDF DOI

Provable and Robust Wavefront Sensing via Self-Reference Interferometry

Nebiyou Yismaw, Vishwanath Saragadam, Aswin C. Sankaranarayanan, M. Salman Asif · 2026

Wavefront sensing involves estimating the phase and intensity of light, enabling a wide range of imaging applications, from adaptive optics and astronomy to biomedical imaging. Since conventional imag…

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Engineering Preprint PDF DOI

Low-Complexity Algorithm for Stackelberg Prediction Games with Global Optimality

Tong Wei, Yangjie Xu, Xinlin Wang, Pin-Han Ho, Bhavani Shankar M.R., Radu State, Bjorn Ottersten · 2026

Stackelberg prediction games (SPGs) model strategic data manipulation in adversarial learning via a leader--follower interaction between a learner and a self-interested data provider, leading to chall…

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Engineering Preprint PDF DOI

Phase-Shifted Pilot Design for NOMA-Empowered Uplink ISAC Systems

Ahmet Sacid Sumer, Ebubekir Memisoglu, Huseyin Arslan · 2026

The deployment of multiple transmitters (TXs) in integrated sensing and communication (ISAC) networks necessitates efficient resource sharing to overcome the limitations of orthogonal allocation. Whil…

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Engineering Preprint PDF DOI

RFSS: A Multi-Standard RF Signal Source Separation Dataset with 3GPP-Standardized Channel and Hardware Impairments

Hao Chen, Rui Jin, Dayuan Tan · 2026

The coexistence of heterogeneous cellular standards (2G-5G) in shared spectrum demands sophisticated RF source separation techniques, yet no public dataset exists for data-driven research on this prob…

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Engineering Preprint PDF DOI

Where to Put Safety? Control Barrier Function Placement in Networked Control Systems

Severin Beger, Yuling Chen, Sandra Hirche · 2026

Ensuring safe behavior is critical for modern autonomous cyber-physical systems. Control barrier functions (CBFs) are widely used to enforce safety in autonomous systems, yet their placement within ne…

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Engineering Preprint PDF DOI

Why That Robot? A Qualitative Analysis of Justification Strategies for Robot Color Selection Across Occupational Contexts

Jiangen He, Wanqi Zhang, Jessica K. Barfield · 2026

As robots increasingly enter the workforce, human-robot interaction (HRI) must address how implicit social biases influence user preferences. This paper investigates how users rationalize their select…

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Engineering Preprint PDF DOI

A Duality-Based Optimization Formulation of Safe Control Design with State Uncertainties

Xiao Tan, Rahal Nanayakkara, Paulo Tabuada, Aaron D. Ames · 2026

State estimation uncertainty is prevalent in real-world applications, hindering the application of safety-critical control. Existing methods address this by strengthening a Control Barrier Function (C…

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Engineering Preprint PDF DOI

Port-Transversal Barriers: Graph-Theoretic Safety for Port-Hamiltonian Systems

Chi Ho Leung, Philip E. Pare · 2026

We study port-Hamiltonian systems with energy functions that split into local storage terms. From the interconnection and dissipation structure, we construct a graph on the energy compartments. From t…

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