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In this paper, we explore a dual-sniffer passive localization system that detects the timing difference of signals from both commercial base station (eNb) and user equipment (UE) to the sniffers. We design two localization schemes for UE…

Signal Processing · Electrical Eng. & Systems 2024-10-17 Tuo Wu , Lingyu Hou , Hong Niu , Saihua Xu , Sirajudeen Gulam Razul , Chau Yuen

Distributed multiple-input multiple-output (D-MIMO) is a promising technology for simultaneous communication and positioning. However, phase synchronization between multiple access points in D-MIMO is challenging and methods that function…

Localization is a fundamental task in robotics for autonomous navigation. Existing localization methods rely on a single input data modality or train several computational models to process different modalities. This leads to stringent…

Robotics · Computer Science 2023-07-04 Muhammad Ibrahim , Naveed Akhtar , Saeed Anwar , Ajmal Mian

Localization of networked nodes is an essential problem in emerging applications, including first-responder navigation, automated manufacturing lines, vehicular and drone navigation, asset navigation and tracking, Internet of Things and 5G…

Networking and Internet Architecture · Computer Science 2023-10-04 Nakul Garg , Irtaza Shahid , Ramanujan K Sheshadri , Karthikeyan Sundaresan , Nirupam Roy

Despite their high accuracy, UWB-based localization systems suffer inaccuracies when deployed in industrial locations with many obstacles due to multipath effects and non-line-of-sight (NLOS) conditions. In such environments, current error…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Dieter Coppens , Adnan Shahid , Eli De Poorter

Automotive mmWave radar has been widely used in the automotive industry due to its small size, low cost, and complementary advantages to optical sensors (e.g., cameras, LiDAR, etc.) in adverse weathers, e.g., fog, raining, and snowing. On…

Robotics · Computer Science 2022-02-23 Pengen Gao , Shengkai Zhang , Wei Wang , Chris Xiaoxuan Lu

The recent trend for extremely massive antenna arrays and high frequencies facilitates localization and sensing, offering increased angular and range resolution. In this letter, we focus on the emerging technology of Dynamic Metasurface…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Ioannis Gavras , George C. Alexandropoulos

Nodes localization in Wireless Sensor Networks (WSN) has arisen as a very challenging problem in the research community. Most of the applications for WSN are not useful without a priori known nodes positions. One solution to the problem is…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-06-27 Biljana Stojkoska , Danco Davcev , Andrea Kulakov

We introduce LDL, a fast and robust algorithm that localizes a panorama to a 3D map using line segments. LDL focuses on the sparse structural information of lines in the scene, which is robust to illumination changes and can potentially…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Junho Kim , Changwoon Choi , Hojun Jang , Young Min Kim

The following paper presents an adaptive anchor pairs selection method for ultra-wideband (UWB) Time Difference of Arrival (TDOA) based positioning systems. The method divides the area covered by the system into several zones and assigns…

Robotics · Computer Science 2024-04-09 Marcin Kolakowski

The landmark multi-dimensional scaling (LMDS) is a leading method that embeds new points to an existing coordinate system based on observed distance information. It has long been known as a variant of Nystr\"{o}m algorithm. It was recently…

Optimization and Control · Mathematics 2025-09-16 Ting Ouyang , Lingchen Kong , Houduo Qi

This paper deals with the problem of localization in a cellular network in a dense urban scenario. Global Navigation Satellite Systems (GNSS) typically perform poorly in urban environments, where the likelihood of line-of-sight conditions…

Machine Learning · Computer Science 2022-02-04 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

We propose a novel approach for fast and accurate stereo visual Simultaneous Localization and Mapping (SLAM) independent of feature detection and matching. We extend monocular Direct Sparse Odometry (DSO) to a stereo system by optimizing…

Robotics · Computer Science 2021-12-06 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

Millimeter-accuracy Ultra-Wideband (UWB) positioning systems using the Time Difference Of Arrival (TDOA) algorithm are able to be utilized in military and many other important applications. Previous research on UWB positioning system has…

Information Theory · Computer Science 2013-07-30 Sheng Jiang , Matthew Trinkle , Hongyuan Wang

In this paper, the problem of target localization in the presence of outlying sensors is tackled. This problem is important in practice because in many real-world applications the sensors might report irrelevant data unintentionally or…

Optimization and Control · Mathematics 2018-02-15 Alireza Zaeemzadeh , Mohsen Joneidi , Behzad Shahrasbi , Nazanin Rahnavard

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…

Information Theory · Computer Science 2022-04-01 Zhicheng Ye , Julia Vinogradova , Gábor Fodor , Peter Hammarberg

A fully-asynchronous network with one target sensor and a few anchors (nodes with known locations) is considered. Localization and synchronization are traditionally treated as two separate problems. In this paper, localization and…

Information Theory · Computer Science 2013-01-07 Sundeep Prabhakar Chepuri , Geert Leus , Alle-Jan van der Veen

This paper investigates integrated localization and communication in a multi-cell system and proposes a coordinated beamforming algorithm to enhance target localization accuracy while preserving communication performance. Within this…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Meidong Xia , Wei Xu , Jindan Xu , Zhenyao He , Zhaohui Yang , Derrick Wing Kwan Ng

This paper presents a terrestrial localization system based on 5G infrastructure as a viable alternative to GNSS, particularly in scenarios where GNSS signals are obstructed or unavailable. It discusses network planning aimed at enabling…

We consider a novel anchorless rigid body localization (RBL) suitable for application in autonomous driving (AD), in so far as the algorithm enables a rigid body to egoistically detect the location (relative translation) and orientation…

Robotics · Computer Science 2025-01-23 Niclas Führling , Giuseppe Abreu , David González G. , Osvaldo Gonsa