Results 1 to 10 of about 8,420 (127)
Time Difference of Arrival (TDoA) Localization Combining Weighted Least Squares and Firefly Algorithm [PDF]
Sensors, 2019 Time difference of arrival (TDoA) based on a group of sensor nodes with known locations has been widely used to locate targets. Two-step weighted least squares (TSWLS), constrained weighted least squares (CWLS), and Newton−Raphson (NR) iteration ...
Peng Wu +5 more
doaj +2 more sources
Multi-Source Weighted Localization Based on Cascaded DOA-TDOA [PDF]
SensorsTime Difference of Arrival (TDOA)-based localization is widely used for its stability and high accuracy. However, in multi-source scenarios, TDOA measurements from multiple sources become entangled, making it difficult to separate and correctly associate
Jinshen Fang +3 more
doaj +2 more sources
Performance evaluation on extended neural network localization algorithm on 5 g new radio technology [PDF]
Scientific ReportsWith the rapid growth of fifth-generation (5G) networks, there is an increasing demand for high-precision localisation, achieving which is a major challenge in real-time applications in dynamic and noisy environments.
Deebalakshmi R +2 more
doaj +2 more sources
Joint TDOA, FDOA and PDOA Localization Approaches and Performance Analysis
Remote Sensing, 2023 Multi-station joint localization has important practical significance. In this paper, phase difference of arrival (PDOA) information is introduced into the joint time difference of arrival (TDOA) and frequency difference of arrival (FDOA) localization ...
Jinzhou Li +7 more
doaj +1 more source
Fast TDOA and FDOA Estimation for Coherent Pulse Signals
International Journal of Antennas and Propagation, 2022 Time difference of arrival (TDOA) and frequency difference of arrival (FDOA) have been widely used for localizing temporally continuous signals passively.
Yan Liu, Fucheng Guo
doaj +1 more source
Journal of Marine Science and Engineering, 2023 This article considers locating a noncooperative underwater transmitter utilizing multiple receivers, such that each receiver can measure the frequency difference of arrival (FDOA) as well as the time difference of arrival (TDOA) of the transmitter’s ...
Jonghoek Kim
doaj +1 more source
TDOA –FDOA method for tracking of a moving target in a distributed sensor scenario [PDF]
ITM Web of Conferences, 2023 Tracking of an underwater target in ocean environment is very important in both military and civilian applications. This paper focuses on the localization and tracking of a moving target by a passive multi-static sonar system using TOA, Time Difference ...
George Sherly, Muralikrishna P.
doaj +1 more source
Sensors, 2023 An accurate estimation of the time difference of arrival (TDOA) is crucial in localization, communication, and navigation. However, a low signal-to-noise ratio (SNR) can decrease the reliability of the TDOA estimation result.
Peng Zhang +3 more
doaj +1 more source
Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing
Sensors, 2023 This paper presents a method for estimating the position of a target under jammed conditions using the Time Difference of Arrival (TDOA) method. The algorithm utilizes a deep neural network to overcome the challenges posed by the jammed conditions.
Jakub Gotthans +2 more
doaj +1 more source
Semidefinite Programming Algorithms for 3-D AOA-Based Hybrid Localization
IEEE Open Journal of Signal Processing, 2023 By taking different kinds of measurements at the same time, it may be possible to improve the accuracy of target localization or reduce the number of sensors needed.
Yanbin Zou
doaj +1 more source