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In robotic navigation, maintaining precise pose estimation and navigation in complex and dynamic environments is crucial. However, environmental challenges such as smoke, tunnels, and adverse weather can significantly degrade the…

机器人学 · 计算机科学 2025-07-25 Chenglong Qian , Yang Xu , Xiufang Shi , Jiming Chen , Liang Li

Miniaturized autonomous unmanned aerial vehicles (UAVs) are gaining popularity due to their small size, enabling new tasks such as indoor navigation or people monitoring. Nonetheless, their size and simple electronics pose severe challenges…

In Global Navigation Satellite System (GNSS)-denied environments, terrestrial signals of opportunity (SoOP) offer an alternative for positioning, but synchronization impairments such as clock offsets, drift, and multipath limit performance.…

信号处理 · 电气工程与系统科学 2026-05-27 Mustafa Furkan Beker , Abdullah Tan , Khaled Walid Elgammal , Mehmet Kemal Ozdemir

Millimeter wave signals and large antenna arrays are considered enabling technologies for future 5G networks. Despite their benefits for achieving high data rate communications, their potential advantages for tracking of the location of the…

With vast mmWave spectrum and narrow beam antenna technology, precise position location is now possible in 5G and future mobile communication systems. In this article, we describe how centimeterlevel localization accuracy can be achieved,…

信息论 · 计算机科学 2021-02-25 Ojas Kanhere , Theodore S. Rappaport

In this paper, we consider positioning with observed-time-difference-of-arrival (OTDOA) for a device deployed in long-term-evolution (LTE) based narrow-band Internet-of-things (NB-IoT) systems. We propose an iterative…

信息论 · 计算机科学 2017-09-07 Sha Hu , Axel Berg , Xuhong Li , Fredrik Rusek

Navigation of a team of autonomous underwater vehicles (AUVs) coordinated by an unmanned surface vehicle (USV) is efficient and reliable for deep ocean exploration. AUVs depart from and return to the USV after collaborative navigation, data…

系统与控制 · 电气工程与系统科学 2025-05-13 Mohsen Eskandari , Andrey V. Savkin , Mohammad Deghat

Swarm robots have sparked remarkable developments across a range of fields. While it is necessary for various applications in swarm robots, a fast and robust coordinate initialization in vision-based drone swarms remains elusive. To this…

机器人学 · 计算机科学 2024-03-21 Yuan Li , Anke Zhao , Yingjian Wang , Ziyi Xu , Xin Zhou , Jinni Zhou , Chao Xu , Fei Gao

5G new radio (NR) provides new opportunities for accurate positioning from a single reference station: large bandwidth combined with multiple antennas, at both the base station and user sides, allows for unparalleled angle and delay…

信号处理 · 电气工程与系统科学 2019-01-08 Henk Wymeersch , Nil Garcia , Hyowon Kim , Gonzalo Seco-Granados , Sunwoo Kim , Fuxi Wen , Markus Fröhle

Source localization plays a key role in many applications including radar, wireless and underwater communications. Among various localization methods, the most popular ones are Time-Of-Arrival (TOA), Time-Difference-Of-Arrival (TDOA), and…

信号处理 · 电气工程与系统科学 2022-03-07 Nitesh Sahu , Linlong Wu , Prabhu Babu , Bhavani Shankar M. R. , Björn Ottersten

Integrated sensing and communication (ISAC) is anticipated to play a crucial role in sixth-generation (6G) mobile communication networks. A significant challenge in ISAC systems is the degradation of localization accuracy due to poor…

信号处理 · 电气工程与系统科学 2025-01-27 Keivan Khosroshahi , Philippe Sehier , Sami Mekki , Michael Suppa

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

Nano-size unmanned aerial vehicles (UAVs) hold enormous potential to perform autonomous operations in complex environments, such as inspection, monitoring or data collection. Moreover, their small size allows safe operation close to humans…

信号处理 · 电气工程与系统科学 2022-12-02 Hanna Müller , Nicky Zimmerman , Tommaso Polonelli , Michele Magno , Jens Behley , Cyrill Stachniss , Luca Benini

This paper explores the potential of aerial reconfigurable intelligent surfaces (ARIS) to enhance coordinated multi-point non-orthogonal multiple access (CoMP-NOMA) networks. We consider a system model where a UAV-mounted RIS assists in…

信号处理 · 电气工程与系统科学 2024-11-05 Muhammad Umer , Muhammad Ahmed Mohsin , Aamir Mahmood , Kapal Dev , Haejoon Jung , Mikael Gidlund , Syed Ali Hassan

Accurate localization represents a fundamental challenge in robotic navigation. Traditional methodologies, such as Lidar or QR-code based systems, suffer from inherent scalability and adaptability con straints, particularly in complex…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Dominik Brämer , Diana Kleingarn , Oliver Urbann

Motivated by the goal of achieving robust, drift-free pose estimation in long-term autonomous navigation, in this work we propose a methodology to fuse global positional information with visual and inertial measurements in a tightly-coupled…

机器人学 · 计算机科学 2020-07-13 Giovanni Cioffi , Davide Scaramuzza

In this paper we address the problem of dot painting on a wall by a quadrotor Micro Air Vehicle (MAV), using on-board low cost sensors (monocular camera and IMU) for localization. A method is proposed to cope with uncertainties on the…

机器人学 · 计算机科学 2019-06-18 Thomas Chaffre , Kevin Tudal , Sylvain Bertrand , Lionel Prevost

Robots in the construction industry can reduce costs through constant monitoring of the work progress, using high precision data capturing. Accurate data capturing requires precise localization of the mobile robot within the environment. In…

机器人学 · 计算机科学 2022-09-26 Muhammad Shaheer , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Estimating the pose of an unmanned aerial vehicle (UAV) or drone is a challenging task. It is useful for many applications such as navigation, surveillance, tracking objects on the ground, and 3D reconstruction. In this work, we present a…

机器人学 · 计算机科学 2020-11-18 Jan Hausberg , Ryoichi Ishikawa , Menandro Roxas , Takeshi Oishi

The capability to achieve high-precision positioning accuracy has been considered as one of the most critical requirements for vehicle-to-everything (V2X) services in the fifth-generation (5G) cellular networks. The non-line-of-sight (NLOS)…

信号处理 · 电气工程与系统科学 2021-02-23 Abdurrahman Fouda , Ryan Keating , Amitava Ghosh
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