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The main focus of beam alignment is to find the optimal beam which yields the largest received signal strength (RSS) with faster speed.In this paper, we demonstrate an efficient beam alignment scheme with our testbed. The algorithm we…

信号处理 · 电气工程与系统科学 2020-03-09 Junyeol Hong , Hyeonjin Chung , Sunwoo Kim

This work presents an investigation on the scalability of a deep leaning (DL)-based blind transmitter positioning system for addressing the multi transmitter localization (MLT) problem. The proposed approach is able to estimate relative…

信号处理 · 电气工程与系统科学 2023-06-07 Ivo Bizon , Ahmad Nimr , Philipp Schulz , Marwa Chafii , Gerhard P. Fettweis

Many applications have been identified which require the deployment of large-scale low-power wireless sensor networks. Some of the deployment environments, however, impose harsh operation conditions due to intense cross-technology…

信号处理 · 电气工程与系统科学 2025-07-08 Abiy Tasissa , Waltenegus Dargie

The synergy between extremely large-scale antenna arrays and terahertz technology in sixth-generation networks establishes a near-field wideband transmission environment, enabling the generation of highly focused beams. To leverage this…

信号处理 · 电气工程与系统科学 2026-03-18 Qianyu Yang , Haiyang Zhang , Francesco Guidi , Anna Guerra , Davide Dardari , Baoyun Wang , Yonina C. Eldar

Detecting many-body localization (MBL) typically requires the calculation of high-energy eigenstates using numerical approaches. This study investigates methods that assume the use of a quantum device to detect disorder-induced…

无序系统与神经网络 · 物理学 2022-10-31 Kazue Kudo

In the Wireless Localization Matching Problem (WLMP) the challenge is to match pieces of equipment with a set of candidate locations based on wireless signal measurements taken by the pieces of equipment. This challenge is complicated by…

信号处理 · 电气工程与系统科学 2019-08-15 Amin Ghafourian , Orestis Georgiou , Edmund Barter , Thilo Gross

A scheme for sub-wavelength position measurements of quantum particles is discussed, which operates with running-wave laser fields as opposed to standing wave fields proposed in previous setups. The position is encoded in the phase of the…

量子物理 · 物理学 2015-05-13 J. Evers , S. Qamar

Despite significant algorithmic advances in vision-based positioning, a comprehensive probabilistic framework to study its performance has remained unexplored. The main objective of this paper is to develop such a framework using ideas from…

信息论 · 计算机科学 2024-09-17 Haozhou Hu , Harpreet S. Dhillon , R. Michael Buehrer

We present a factor graph formulation and particle-based sum-product algorithm for robust localization and tracking in multipath-prone environments. The proposed sequential algorithm jointly estimates the mobile agent's position together…

信号处理 · 电气工程与系统科学 2025-04-16 Alexander Venus , Erik Leitinger , Stefan Tertinek , Florian Meyer , Klaus Witrisal

This study presents the results of a series of simulation experiments that evaluate and compare four different manifold alignment methods under the influence of noise. The data was created by simulating the dynamics of two slightly…

机器学习 · 计算机科学 2018-11-26 Fayeem Aziz , Aaron S. W. Wong , James S. Welsh , Stephan K. Chalup

Localization in a battlefield environment is increasingly challenging as GPS connectivity is often denied or unreliable, and physical deployment of anchor nodes across wireless networks for localization can be difficult in hostile…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Ganesh Sapkota , Sanjay Madria

Reliability is a key factor for realizing safety guarantee of full autonomous robot systems. In this paper, we focus on reliability in mobile robot localization. Monte Carlo localization (MCL) is widely used for mobile robot localization.…

机器人学 · 计算机科学 2022-12-19 Naoki Akai

High-precision localization turns into a crucial added value and asset for next-generation wireless systems. Carrier phase positioning (CPP) enables sub-meter to centimeter-level accuracy and is gaining interest in 5G-Advanced…

信号处理 · 电气工程与系统科学 2025-08-21 Fatih Ayten , Mehmet C. Ilter , Akshay Jain , Ossi Kaltiokallio , Jukka Talvitie , Elena Simona Lohan , Henk Wymeersch , Mikko Valkama

Robots in a swarm take advantage of a motion capture system or GPS sensors to obtain their global position. However, motion capture systems are environment-dependent and GPS sensors are not reliable in occluded environments. For a reliable…

机器人学 · 计算机科学 2018-09-24 Samet Guler , Mohamed Abdelkader , Jeff S. Shamma

The interplay between the topological and geometrical properties of a polymer ring can be clarified by establishing the entanglement trapped in any portion (arc) of the ring. The task requires to close the open arcs into a ring, and the…

软凝聚态物质 · 物理学 2015-05-27 Luca Tubiana , Enzo Orlandini , Cristian Micheletti

One of the major issues in Wireless Body Area Sensor Networks (WBASNs) is efficient localization. There are various techniques for indoor and outdoor environments to locate a person. This study evaluating and compares performance of…

网络与互联网体系结构 · 计算机科学 2012-07-09 Obaid ur Rehman , Nadeem Javaid , Ayesha Bibi , Zahoor Ali Khan

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…

信号处理 · 电气工程与系统科学 2025-07-08 Dieter Coppens , Adnan Shahid , Eli De Poorter

This paper deals with multipath-based positioning and tracking in off-body channels. An analysis of the effects introduced by the human body and the implications on positioning and tracking is presented based on channel measurements…

信号处理 · 电气工程与系统科学 2021-10-20 Thomas Wilding , Erik Leitinger , Klaus Witrisal

There exist significant gaps in research about how to design efficient in-bed lying posture tracking systems. These gaps can be articulated through several research questions as follows. First, can we design a single-sensor, pervasive, and…

机器学习 · 计算机科学 2020-06-22 Paratoo Alinia , Ali Samadani , Mladen Milosevic , Hassan Ghasemzadeh , Saman Parvaneh

Target localization is a critical task in various applications, such as search and rescue, surveillance, and wireless sensor networks. When a target emits a radio frequency (RF) signal, spatially distributed sensors can collect signal…

信号处理 · 电气工程与系统科学 2025-08-26 Halim Lee , Jongmin Park , Kwansik Park