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相关论文: A Robotic Antenna Alignment and Tracking System fo…

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Wide swaths of bandwidth at millimeter-wave (mmWave) and Terahertz (THz) frequencies stimulate diverse applications in wireless sensing, imaging, position location, cloud computing, and much more. These emerging applications motivate…

信号处理 · 电气工程与系统科学 2020-09-29 Dipankar Shakya , Ting Wu , Theodore S. Rappaport

Site-specific wireless channel simulations via ray tracers can be used to effectively study wireless, decreasing the need for extensive site-specific radio propagation measurements. To ensure that ray tracer simulations faithfully reproduce…

信息论 · 计算机科学 2024-10-07 O. Kanhere , H. Poddar , T. S. Rappaport

Rotatable antenna (RA) represents a novel antenna architecture that enhances wireless communication system performance by independently or collectively adjusting each antenna's boresight/orientation. In this demonstration, we develop a…

系统与控制 · 电气工程与系统科学 2025-04-18 Qi Dai , Beixiong Zheng , Qiyao Wang , Xue Xiong , Xiaodan Shao , Lipeng Zhu , Rui Zhang

Achieving high-performance in multi-object tracking algorithms heavily relies on modeling spatio-temporal relationships during the data association stage. Mainstream approaches encompass rule-based and deep learning-based methods for…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Zhonglin Liu , Shujie Chen , Jianfeng Dong , Xun Wang , Di Zhou

This paper aims to make a mark in the future of sustainable robotics, where efficient algorithms are required to carry out tasks like environmental monitoring and precision agriculture efficiently. We proposed a hybrid algorithm that…

最优化与控制 · 数学 2024-11-26 Sai Krishna Reddy Sathi

A framework is proposed for developing and evaluating algorithms for extracting multipath propagation components (MPCs) from measurements collected by sounders at millimeter-wave (mmW) frequencies. To focus on algorithmic performance, an…

We propose a novel sensing approach for the beam alignment problem in millimeter wave systems using a single Radio Frequency (RF) chain. Conventionally, beam alignment using a single phased array involves comparing beamformer output power…

信号处理 · 电气工程与系统科学 2024-04-12 Rohan R. Pote , Bhaskar D. Rao

Ray-tracing (RT) simulators are essential for wireless digital twins, enabling accurate site-specific radio channel prediction for next-generation wireless systems. Yet, RT simulation accuracy is often limited by insufficient measurement…

信号处理 · 电气工程与系统科学 2026-02-02 Mingjun Ying , Dipankar Shakya , Peijie Ma , Guanyue Qian , Theodore S. Rappaport

Beam alignment enables efficient, stable transmission and control of optical energy and information, which critically depend on precise monitoring and regulation of the three-dimensional (3D) relative positioning between fibers. This study…

光学 · 物理学 2025-11-27 Lin Xu , Li Pei , Jianshuai Wang , Zhouyi Hu , Tigang Ning

With the increasing use of drones across various industries, the navigation and tracking of these unmanned aerial vehicles (UAVs) in challenging environments (such as GNSS-denied environments) have become critical issues. In this paper, we…

机器人学 · 计算机科学 2023-07-19 Iacopo Catalano , Ha Sier , Xianjia Yu , Tomi Westerlund , Jorge Pena Queralta

Accurate characterization of modern on-chip antennas remains challenging, as current probe-station techniques offer limited angular coverage, rely on bespoke hardware, and require frequent manual alignment. This research introduces RAPTAR…

机器人学 · 计算机科学 2025-07-24 Maaz Qureshi , Mohammad Omid Bagheri , Abdelrahman Elbadrawy , William Melek , George Shaker

The Robust Alignment algorithm for the ATLAS silicon detectors is presented. It is an iterative method based on centering residual and overlap residual distributions. Tests on simulated and real data are discussed.

仪器与探测器 · 物理学 2007-10-08 Florian Heinemann

This paper proposes a radio simultaneous location and mapping (radio-SLAM) scheme based on sparse multipath channel estimation. By leveraging sparse channel estimation schemes at millimeter wave bands, namely high resolution estimates of…

信息论 · 计算机科学 2022-12-29 Felipe Gómez-Cuba , Gonzalo Feijoo-Rodríguez , Nuria González-Prelcic

In this paper, the design, realization, and demonstration of a broadband millimeter-wave imaging system based on the synthetic aperture radar technique (SAR) are discussed. The proposed system, operating within the frequency range of…

Accurate and agile trajectory tracking in sub-gram Micro Aerial Vehicles (MAVs) is challenging, as the small scale of the robot induces large model uncertainties, demanding robust feedback controllers, while the fast dynamics and…

Compressed Deep Learning (DL) models are essential for deployment in resource-constrained environments. But their performance often lags behind their large-scale counterparts. To bridge this gap, we propose Alignment Adapter (AlAd): a…

机器学习 · 计算机科学 2026-02-17 Rohit Raj Rai , Abhishek Dhaka , Amit Awekar

We present an empirical investigation of a new mapping system based on a graph of panoramic depth images. Panoramic images efficiently capture range measurements taken by a spinning lidar sensor, recording fine detail on the order of a few…

机器人学 · 计算机科学 2021-01-05 Anthony Cowley , Ian D. Miller , Camillo Jose Taylor

For effective autonomous navigation,estimation of the pose of the robot is essential at every sampling time. For computing an accurate estimation,odometric error needs to be reduced with the help of data from external sensor. In this work,…

计算机视觉与模式识别 · 计算机科学 2012-12-07 Debajyoti Banerji , Ranjit Ray , Jhankar Basu , Indrajit Basak

Novel industrial wireless applications require wideband, real-time channel characterization due to complex multipath propagation. Rapid machine motion leads to fast time variance of the channel's reflective behavior, which must be captured…

信号处理 · 电气工程与系统科学 2018-05-04 Niels Hendrik Fliedner , Dimitri Block , Uwe Meier