Results 71 to 80 of about 5,786 (208)

A Closed-Form Localization Algorithm and GDOP Analysis for Multiple TDOAs and Single TOA Based Hybrid Positioning

Applied Sciences, 2019
Cellular communication systems support mobile phones positioning function for Enhanced-911 (E-911) location requirements, but the positioning accuracy is poor. The fifth-generation (5G) cellular communication system can use indoor distribution systems to
Zhongliang Deng, Hanhua Wang, Xinyu Zheng, Xiao Fu, Lu Yin, Shihao Tang, Fuxing Yang   +6 more
doaj   +1 more source

Efficient Joint IRS and Base Station–Based Cooperative UAV Localisation in GPS‐Denied Environments

IET Communications, Volume 20, Issue 1, January/December 2026.
It proposes an efficient localisation method for unmanned aerial vehicle (UAV) localisation using multiple existing integrated reflecting surfaces (IRSs), and multiple existing base transceiver stations (BTSs) in a time multiplex joint communication and localisation scenario. Also, the Cramer–Rao bound of the problem is calculated.
Hadi Zayyani, Mohammad Salman, Fernando D. A. Garcia, Felipe Augusto Pereira de Figueiredo, Rausley de Souza   +4 more
wiley   +1 more source

From Detection to Countermeasure: A Review of Key Technologies in Counter‐Unmanned Aerial Vehicle Systems

IET Cyber-Systems and Robotics, Volume 8, Issue 1, January/December 2026.
ABSTRACT With the rapid proliferation of unmanned aerial vehicles (UAVs) in the military, logistics and public safety sectors, the threat of illegal intrusion, information theft, and security breaches has increased. This paper provides a comprehensive review of recent developments in counter‐unmanned aerial vehicle (counter‐UAV) systems, focussing on ...
Lei Xing, Can Cui, Miao Wang, Chao Xu
wiley   +1 more source

Analysis of Long Wave Polarisation Direction Finding Based on Three‐Axis Magnetic Antenna Array

Electronics Letters, Volume 62, Issue 1, January/December 2026.
This paper addresses the joint estimation of multiple parameters for long‐wave and VLF signals by proposing a robust closed‑form direction‑finding algorithm. ABSTRACT To overcome the degradation of conventional direction‐finding accuracy for VLF and LW signals caused by sky‑wave‑induced polarisation deflection, this paper employs a tri‑axial magnetic ...
Weihua Xiang, Rong Wang, Shimin Feng, Tianhui Fu   +3 more
wiley   +1 more source

Source localization and denoising: a perspective from the TDOA space [PDF]

, 2017
In this manuscript, we formulate the problem of source localization based on Time Differences of Arrival (TDOAs) in the TDOA space, i.e., the Euclidean space spanned by TDOA measurements.
Antonacci, Fabio, Canclini, Antonio, Bestagini, Paolo, Compagnoni, Marco, Tubaro, Stefano, Sarti, Augusto   +5 more
core   +1 more source

Joint Time Synchronisation and Localisation Method by TDOA Observation in 5G Networks

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This work proposes a method for joint time synchronisation and localisation problems and proposes to obtain the initial values of the alternating iteration algorithm through solving the MVIE problem. The simulations showcase the satisfying positioning accuracy and clock synchronisation accuracy of the proposed method.
Qiao Liu, Yutong Tian, Zhihang Qu, Yong Li   +3 more
wiley   +1 more source

A TOF and TDOA underground joint positioning method based on UWB

Meikuang Anquan
The existing precise positioning system for mining personnel mainly adopts UWB positioning technology. The positioning method that only applies TOF requires joint ranging and orientation based on two positioning sub stations or antennas, which has ...
Xian CHEN
doaj   +1 more source

Optimal Sensor Deployment and Velocity Configuration With Hybrid TDOA and FDOA Measurements

IEEE Access, 2019
Source localization based on the hybrid time-difference-of-arrival (TDOA) and frequency-difference-of-arrival (FDOA) measurements from distributed sensors is an essential problem in wireless sensor networks (WSNs).
Weijia Wang, Peng Bai, Yubing Wang, Xiaolong Liang, Jiaqiang Zhang   +4 more
doaj   +1 more source

Loop Matching Pursuit Multistation TDOA Estimation Method Based on Noncircular Signal

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
The existing TDOA estimation methods based on orthogonal matching pursuit only consider the scenario of circular signal and are prone to the degradation of estimation performance due to atom misselection under small samples and low signal‐to‐noise ratio.
Zeyu Wang, Ding Wang, Jiexin Yin, Nae Zheng   +3 more
wiley   +1 more source

Drone Controller Localization Based on TDoA

2025 IEEE Wireless Communications and Networking Conference (WCNC)
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 multipath environments: the Maximum Likelihood (ML) algorithm and the Least Squares Bancroft with Gauss-Newton (LS-BF ...
Yuhong Wang 0004, Yonghong Zeng, Peng Hui Tan, Sumei Sun, Yugang Ma   +4 more
openaire   +4 more sources