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相关论文: Receiver-Centric TDOA Localization Framework for D…

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Sound event localization and detection (SELD) systems using audio recordings from a microphone array rely on spatial cues for determining the location of sound events. As a consequence, the localization performance of such systems is to a…

音频与语音处理 · 电气工程与系统科学 2024-09-02 Axel Berg , Johanna Engman , Jens Gulin , Karl Åström , Magnus Oskarsson

This paper revisits the problem of locating a signal-emitting source from time-difference-of-arrival (TDOA) measurements under non-line-of-sight (NLOS) propagation. Many currently fashionable methods for NLOS mitigation in TDOA-based…

信号处理 · 电气工程与系统科学 2020-09-15 Wenxin Xiong , Christian Schindelhauer , Hing Cheung So , Joan Bordoy , Andrea Gabbrielli , Junli Liang

Many applications require positioning. Time of Flight (ToF) methods calculate distances by measuring the propagation time of signals. We present a novel ToF localization method. Our new approach works infrastructure-less, without…

网络与互联网体系结构 · 计算机科学 2020-01-14 Maximilian von Tschirschnitz , Marcel Wagner , Marc-Oliver Pahl , Georg Carle

Measuring the Time delay of Arrival (TDOA) between a set of sensors is the basic setup for many applications, such as localization or signal beamforming. This paper presents the set of TDOA matrices, which are built from noise-free TDOA…

信息论 · 计算机科学 2016-09-06 Jose Velasco , Daniel Pizarro , Javier Macias-Guarasa , Afsaneh Asaei

Precise Time-of-Arrival (TOA) estimations of aircraft and drone signals are important for a wide set of applications including aircraft/drone tracking, air traffic data verification, or self-localization. Our focus in this work is on TOA…

信号处理 · 电气工程与系统科学 2018-02-21 Roberto Calvo-Palomino , Fabio Ricciato , Blaz Repas , Domenico Giustiniano , Vincent Lenders

We investigate the problem of high frequency (HF) source localization using the time-difference-of-arrival (TDOA) observations of ionosphere-refracted radio rays based on quasi-parabolic (QP) modeling. An unresolved but pertinent issue in…

信号处理 · 电气工程与系统科学 2023-02-13 Wenxin Xiong , Christian Schindelhauer , Hing Cheung So

We study time difference of arrival (TDoA)-based algorithms for drone controller localization and analyze TDoA estimation in multipath channels. Building on TDoA estimation, we propose two algorithms to enhance localization accuracy in…

信息论 · 计算机科学 2025-10-06 Yuhong Wang , Yonghong Zeng , Peng Hui Tan , Sumei Sun , Yugang Ma

Channel Charting (CC) has emerged as a promising framework for data-driven radio localization, yet existing approaches often struggle to scale globally and to handle the distortions introduced by non-line-of-sight (NLoS) conditions. In this…

网络与互联网体系结构 · 计算机科学 2026-05-05 Mohsen Ahadi , Omid Esrafilian , Florian Kaltenberger , Adeel Malik

Underwater source localization problems are complicated and challenging: a) the sound propagation speed is often unknown and the unpredictable ocean current might lead to the uncertainties of sensor parameters (i.e. position and velocity);…

信号处理 · 电气工程与系统科学 2018-07-26 Bingbing Zhang , Yongchang Hu , Hongyi Wang , Zhaowen Zhuang

This paper focuses on static source localization employing different combinations of measurements, including time-difference-of-arrival (TDOA), received-signal-strength (RSS), angle-of-arrival (AOA), and time-of-arrival (TOA) measurements.…

信号处理 · 电气工程与系统科学 2025-04-10 Kang Tang , Sheng Xu , Yuqi Yang , He Kong , Yongsheng Ma

The generalized cross correlation (GCC) is regarded as the most popular approach for estimating the time difference of arrival (TDOA) between the signals received at two sensors. Time delay estimates are obtained by maximizing the GCC…

音频与语音处理 · 电气工程与系统科学 2020-03-25 Maximo Cobos , Fabio Antonacci , Luca Comanducci , Augusto Sarti

This paper studies the use of directional antennas for received signal strength difference (RSSD) based localization using ultra-wideband and demonstrates the achievable accuracy with this localization method applied to UWB. As introduced…

信息论 · 计算机科学 2013-07-09 Waldemar Gerok , Jürgen Peissig , Thomas Kaiser

The research presented in this paper is aimed at developing a control algorithm for an autonomous surface system carrying a two-sensor array consisting of two acoustic receivers, capable of measuring the time-difference-of-arrival (TDOA) of…

机器人学 · 计算机科学 2024-02-28 Filip Mandić , Nikola Mišković , Ivan Lončar

The time difference of arrival (TDOA) problem admits exact, purely algebraic solutions for the situation in which there are 4 and 5 sensors and a single source whose position is to be determined in 3 dimensions. The solutions are exact in…

信号处理 · 电气工程与系统科学 2025-01-09 Niraj K. Inamdar

Direction-of-Arrival (DOA) estimation in sensor arrays faces limitations under demanding conditions, including low signal-to-noise ratio, single-snapshot scenarios, coherent sources, and unknown source counts. Conventional beamforming…

信号处理 · 电气工程与系统科学 2025-10-14 Xuyao Deng , Yong Dou , Kele Xu

This paper presents a method for real-time estimation of 2-dimensional direction of arrival (2D-DOA) of one or more sound sources using a nonlinear array of three microphones. 2D-DOA is estimated employing frame-level time difference of…

音频与语音处理 · 电气工程与系统科学 2023-05-10 Anton Kovalyov , Kashyap Patel , Issa Panahi

We address the problem of localising a mobile terminal ("blind" node) in unknown position from a set of "anchor" nodes in known positions. The proposed method does not require any form of node synchronisation nor measurement (or control) of…

网络与互联网体系结构 · 计算机科学 2015-07-15 Nicolo' Facchi , Francesco Gringoli , Fabio Ricciato , Andrea Toma

Accurate indoor localization is a crucial enabling technology for many robotics applications, from warehouse management to monitoring tasks. Ultra-wideband (UWB) time difference of arrival (TDOA)-based localization is a promising…

机器人学 · 计算机科学 2021-03-03 Wenda Zhao , Jacopo Panerati , Angela P. Schoellig

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…

机器人学 · 计算机科学 2024-04-09 Marcin Kolakowski

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…

信息论 · 计算机科学 2013-07-30 Sheng Jiang , Matthew Trinkle , Hongyuan Wang