中文
相关论文

相关论文: Enhanced Accuracy Simulator for a Future Korean Na…

200 篇论文

Lunar exploration has become a key focus, driving scientific and technological advances. Ongoing missions are deploying rovers to the surface of the Moon, targeting the far side and south pole. However, these terrains pose challenges,…

The intrinsic geometric connections between millimeter-wave (mmWave) signals and the propagation environment can be leveraged for simultaneous localization and mapping (SLAM) in 5G and beyond networks. However, estimated channel parameters…

信号处理 · 电气工程与系统科学 2024-04-17 Ossi Kaltiokallio , Elizaveta Rastorgueva-Foi , Jukka Talvitie , Yu Ge , Henk Wymeersch , Mikko Valkama

We consider the downlink transmission in a single cell multiple-input multiple-output system, in which the user equipment correspond to a vehicle moving along a given trajectory. This system utilizes millimeter wave channels characterized…

信息论 · 计算机科学 2022-04-01 Zhicheng Ye , Julia Vinogradova , Gábor Fodor , Peter Hammarberg

In autonomous applications for mobility and transport, a high-rate and highly accurate vehicle-state estimation is achieved by fusing measurements of global navigation satellite systems (GNSS) and inertial sensors. The state estimation and…

系统与控制 · 电气工程与系统科学 2023-05-02 Shuchen Liu , Kaizheng Wang , Dirk Abel

The Lunar Laser Ranging (LLR) experiment has accumulated 50 years of range data of improving accuracy from ground stations to the laser retroreflector arrays (LRAs) on the lunar surface. The upcoming decade offers several opportunities to…

In recent years, mobile network operators are showing interest in reducing energy consumption. Toward this goal, in cooperation with the Danish company 2Operate we have developed a stochastic simulation environment for mobile networks. Our…

网络与互联网体系结构 · 计算机科学 2023-04-04 Anders Mariegaard , Kim G. Larsen , Marco Muniz , Thomas Dyhre Nielsen

This paper introduces a Global Positioning System (GPS) Receiver that locates user's position instantly. Recently, many mobile devices require location information to add user position into their contents, and some applications require…

系统与控制 · 计算机科学 2015-10-13 Seung-Hyun Yoon , Ji-Woon Jung , Su-Bong Kim , Hyun-Chang Shin , Jae-Hyang Lee , Kyu-Yun Lee , Hyo-Sun Shim

Deploying large-scale LLM training and inference with optimal performance is exceptionally challenging due to a complex design space of parallelism strategies, system optimizations, and hardware configurations. Accurate and rapid…

分布式、并行与集群计算 · 计算机科学 2026-05-21 Mengtian Yang , Zhekun Zhang , Mingheng Wu , Jianwen Yan , Hanshi Sun , Li-wen Chang

The global navigation satellite systems (GNSS) play a vital role in transport systems for accurate and consistent vehicle localization. However, GNSS observations can be distorted due to multipath effects and non-line-of-sight (NLOS)…

机器人学 · 计算机科学 2024-02-20 Haoming Zhang , Zhanxin Wang , Heike Vallery

Today's railway signalling system heavily relies on trackside infrastructure such as axle counters and track balises. This system has proven itself to be reliable, however, it is not very efficient and, moreover, very costly. Thus, it is…

信号处理 · 电气工程与系统科学 2020-02-18 Hanno Winter , Volker Willert , Jürgen Adamy

We investigate C+L+S long-haul systems using a closed-form GN/EGN non-linearity model. We perform accurate launch power and Raman pump optimization. We show a potential 4x throughput increase over legacy C-band systems in 1000 km links,…

信号处理 · 电气工程与系统科学 2024-07-15 Y. Jiang , J. Sarkis , A. Nespola , F. Forghieri , S. Piciaccia , A. Tanzi , M. Ranjbar Zefreh , P. Poggiolini

Nowadays, accurate localization plays an essential role in many fields, like target tracking and path planning. The challenges of indoor localization include inadequate localization accuracy, unreasonable anchor deployment in complex…

系统与控制 · 电气工程与系统科学 2021-12-10 Fengyun Zhang , Li Yang , Yuhuan Liu , Yulong Ding , Shuang-Hua Yang , Hao Li

In a time-of-arrival (TOA) or pseudorange based positioning system, user location is obtained by observing multiple anchor nodes (AN) at known positions. Utilizing more than one positioning systems, e.g., combining Global Positioning System…

信号处理 · 电气工程与系统科学 2020-11-26 Sihao Zhao , Xiao-Ping Zhang , Xiaowei Cui , Mingquan Lu

Robotic applications are continuously striving towards higher levels of autonomy. To achieve that goal, a highly robust and accurate state estimation is indispensable. Combining visual and inertial sensor modalities has proven to yield…

机器人学 · 计算机科学 2022-08-02 Simon Boche , Xingxing Zuo , Simon Schaefer , Stefan Leutenegger

7,651 cases of Search and Rescue Missions (SAR) were reported by the United States Coast Guard in 2024, with over 1322 SAR helicopters deployed in the 6 first months alone. Through the utilizations of YOLO, we were able to run different…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Miguel Tjia , Artem Kim , Elaine Wynette Wijaya , Hanna Tefara , Kevin Zhu

Long-term scene changes present challenges to localization systems using a pre-built map. This paper presents a LiDAR-based system that can provide robust localization against those challenges. Our method starts with activation of a mapping…

机器人学 · 计算机科学 2022-03-09 Bin Peng , Hongle Xie , Weidong Chen

We present \emph{SmartLoc}, a localization system to estimate the location and the traveling distance by leveraging the lower-power inertial sensors embedded in smartphones as a supplementary to GPS. To minimize the negative impact of…

网络与互联网体系结构 · 计算机科学 2013-10-31 Cheng Bo , Xiang-Yang Li , Taeho Jung , Xufei Mao

Map-based LiDAR localization, while widely used in autonomous systems, faces significant challenges in degraded environments due to lacking distinct geometric features. This paper introduces SuperLoc, a robust LiDAR localization package…

机器人学 · 计算机科学 2025-03-31 Shibo Zhao , Honghao Zhu , Yuanjun Gao , Beomsoo Kim , Yuheng Qiu , Aaron M. Johnson , Sebastian Scherer

In recent years, prior maps have become a mainstream tool in autonomous navigation. However, commonly available prior maps are still tailored to control-and-decision tasks, and the use of these maps for localization remains largely…

机器人学 · 计算机科学 2024-07-30 Waqas Ali , Patric Jensfelt , Thien-Minh Nguyen

Current space missions primarily depend on Earth-based Guidance, Navigation, and Control (GNC) systems involving human-in-the-loop operations. X-ray pulsar-based navigation offers a promising alternative by using the very precise periodic…

天体物理仪器与方法 · 物理学 2026-04-22 Sui Chen , Emilie Parent , Nanda Rea , Francesco Topputo