A Vision-Assisted Acoustic Channel Modeling Framework for Smartphone Indoor Localization. [PDF]
Sensors (Basel)Conventional acoustic time-of-arrival (TOA) estimation in complex indoor environments is highly susceptible to multipath reflections and occlusions, resulting in unstable measurements and limited physical interpretability.
Xue C, Zhuge H, Wang Z.
europepmc +2 more sources
Robust Indoor Positioning with Smartphone by Utilizing Encoded Chirp Acoustic Signal. [PDF]
Sensors (Basel)Recently, indoor positioning has been one of the hot topics in the field of navigation and positioning. Among different solutions on indoor positioning, positioning with acoustic signals has its promise due to its relatively high accuracy in the line of ...
Cheng B, Huang Y, Zou C.
europepmc +2 more sources
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
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Self-Calibration for the Time-of-Arrival Positioning
IEEE Access, 2020 Self-calibration of time-of-arrival positioning systems is made difficult by the non-linearity of the relevant set of equations. This work applies dimension lifting to this problem.
Juri Sidorenko +5 more
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ToA-TS: Time of arrival based joint time synchronization and tracking for mobile underwater systems [PDF]
Ad Hoc Networks, 2015 Time synchronization and localization are key requirements for distributed underwater systems consisting of numerous low-cost submersibles. In these systems, submersibles are highly resource constrained and typically have limited acoustic communication capability.
Yi, Jinwang +5 more
openaire +3 more sources
Time-of-arrival distributions from position-momentum and energy-time joint measurements [PDF]
, 1999 The position-momentum quasi-distribution obtained from an Arthurs and Kelly joint measurement model is used to obtain indirectly an ``operational'' time-of-arrival (TOA) distribution following a quantization procedure proposed by Kocha\'nski and W ...
A. D. Baute +50 more
core +2 more sources
Statistical Characterization and Mitigation of NLOS Errors in UWB Localization Systems [PDF]
, 2011 In this paper some new experimental results about the statistical characterization of the non-line-of-sight (NLOS) bias affecting time-of-arrival (TOA) estimation in ultrawideband (UWB) wireless localization systems are illustrated.
Montorsi, Francesco +2 more
core +1 more source
A Fractional Programming Method for Target Localization in Asynchronous Networks
IEEE Access, 2018 In this paper, we address the target device localization problem in the asynchronous networks. For the purpose of saving power resources, the target device is not synchronized with the anchor nodes, but is only required to listen to the signals ...
Gang Wang, Nirwan Ansari, Youming Li
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UWB pulse detection and TOA estimation using GLRT
EURASIP Journal on Advances in Signal Processing, 2017 In this paper, a novel statistical approach is presented for time-of-arrival (TOA) estimation based on first path (FP) pulse detection using a sub-Nyquist sampling ultra-wide band (UWB) receiver.
Yan Xie +3 more
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Hybrid TOA/AOA Positioning Algorithm Based on GDOP Weighting [PDF]
Jisuanji gongcheng, 2017 Existing Time of Arrival/Angle of Arrival(TOA/AOA) positioning algorithms based on Wireless Sensor Network(WSN) have low accuracy under the condition that the position of Anchor Nodes(AN) has error.
KONG Fanzeng,ZHENG Nae,CHEN Guojun,YU Haitao
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