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相关论文: Maximum correntropy criterion for robust TOA-based…

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Localization and synchronization are very important in many wireless applications such as monitoring and vehicle tracking. Utilizing the same time of arrival (TOA) measurements for simultaneous localization and synchronization is…

信息论 · 计算机科学 2016-01-18 Weijie Yuan , Nan Wu , Bernhard Etzlinger , Hua Wang , Jingming Kuang

For radio-based time-of-arrival (TOA) positioning systems applied in harsh environments, obstacles in the surroundings and on the vehicle itself will block the signals from the anchors, reduce the number of available TOA measurements and…

信号处理 · 电气工程与系统科学 2022-07-19 Xinyuan An , Sihao Zhao , Xiaowei Cui , Gang Liu , Mingquan Lu

In this paper, the problem of target localization in the presence of outlying sensors is tackled. This problem is important in practice because in many real-world applications the sensors might report irrelevant data unintentionally or…

最优化与控制 · 数学 2018-02-15 Alireza Zaeemzadeh , Mohsen Joneidi , Behzad Shahrasbi , Nazanin Rahnavard

Source localization plays a key role in many applications including radar, wireless and underwater communications. Among various localization methods, the most popular ones are Time-Of-Arrival (TOA), Time-Difference-Of-Arrival (TDOA), and…

信号处理 · 电气工程与系统科学 2022-03-07 Nitesh Sahu , Linlong Wu , Prabhu Babu , Bhavani Shankar M. R. , Björn Ottersten

The continuously increasing bandwidth and antenna aperture available in wireless networks laid the foundation for developing competitive positioning solutions relying on communications standards and hardware. However, poor propagation…

Localization of radio frequency sources over multipath channels is a difficult problem arising in applications such as outdoor or indoor gelocation. Common approaches that combine ad-hoc methods for multipath mitigation with indirect…

信息论 · 计算机科学 2015-05-14 Nil Garcia , Alexander M. Haimovich , Martial Coulon , Jason A. Dabin

Achieving high resolution time-of-arrival (TOA) estimation in multipath propagation scenarios from bandlimited observations of communication signals is challenging because the multipath channel impulse response (CIR) is not bandlimited.…

信号处理 · 电气工程与系统科学 2019-04-19 Tarik Kazaz , Raj Thilak Rajan , Gerard J. M. Janssen , Alle-Jan van der Veen

The maximum correntropy criterion (MCC) has recently been successfully applied in robust regression, classification and adaptive filtering, where the correntropy is maximized instead of minimizing the well-known mean square error (MSE) to…

机器学习 · 统计学 2017-11-27 Badong Chen , Lei Xing , Haiquan Zhao , Bin Xu , Jose C. Principe

In this paper, a 2-stage robust distributed algorithm is proposed for cooperative sensor network localization using time of arrival (TOA) data without identification of non-line of sight (NLOS) links. In the first stage, to overcome the…

网络与互联网体系结构 · 计算机科学 2014-03-04 Siamak Yousefi , Xiao-Wen Chang , Benoit Champagne

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

Underwater acoustic localization has traditionally been challenging due to the presence of unknown environmental structure and dynamic conditions. The problem is richer still when such structure includes occlusion, which causes the loss of…

信号处理 · 电气工程与系统科学 2023-02-06 Amir Weiss , Toros Arikan , Hari Vishnu , Grant B. Deane , Andrew C. Singer , Gregory W. Wornell

In this paper, we study performance limits of sensor localization from a novel perspective. Specifically, we consider the Cramer-Rao Lower Bound (CRLB) in single-hop sensor localization using measurements from received signal strength…

系统与控制 · 计算机科学 2018-01-30 Baoqi Huang , Tao Li , Brian D. O. Anderson , Changbin Yu

Correntropy is a local similarity measure defined in kernel space and the maximum correntropy criterion (MCC) has been successfully applied in many areas of signal processing and machine learning in recent years. The kernel function in…

机器学习 · 统计学 2019-07-24 Badong Chen , Xin Wang , Yingsong Li , Jose C. Principe

Propagation in non-line-of-sight (NLOS) conditions is one of the major impairments in ultrawideband (UWB) wireless localization systems based on time-of-arrival (TOA) measurements. In this paper the problem of the joint statistical…

信息论 · 计算机科学 2012-03-14 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

Sparse adaptive channel estimation problem is one of the most important topics in broadband wireless communications systems due to its simplicity and robustness. So far many sparsity-aware channel estimation algorithms have been developed…

信息论 · 计算机科学 2015-04-15 Wentao Ma , Hua Qua , Guan Gui , Li Xu , Jihong Zhaoa , Badong Chen

Time-based indoor positioning techniques rely on multiple access points (APs) and measurements between the user equipment (UE) and the APs. In dense indoor environments, occlusion-induced non-line-of-sight (NLoS) propagation introduces…

信号处理 · 电气工程与系统科学 2026-05-20 Neetu R. R , Shrihari Vasudevan , Ranjani H. G

Localization and tracking of a mobile node (MN) in non-line-of-sight (NLOS) scenarios, based on time of arrival (TOA) measurements, is considered in this work. To this end, we develop a constrained form of square root unscented Kalman…

应用统计 · 统计学 2016-11-17 Siamak Yousefi , Xiao-Wen Chang , Benoit Champagne

In this paper, we propose a novel time of arrival (TOA) estimator for multiple-input-multiple-output (MIMO) backscatter channels in closed form. The proposed estimator refines the estimation precision from the topological structure of the…

信息论 · 计算机科学 2023-11-23 Chen He , Luyang Han , Z. Jane Wang

We consider the frequency estimation of periodic signals using noisy time-of-arrival (TOA) information with missing (sparse) data contaminated with outliers. We tackle the problem from a mathematical optimization standpoint, formulating it…

最优化与控制 · 数学 2024-09-04 Romain Puech , Vincent Gouldieff

Map based visual inertial localization is a crucial step to reduce the drift in state estimation of mobile robots. The underlying problem for localization is to estimate the pose from a set of 3D-2D feature correspondences, of which the…

机器人学 · 计算机科学 2020-03-26 Yanmei Jiao , Yue Wang , Bo Fu , Qimeng Tan , Lei Chen , Shoudong Huang , Rong Xiong