60 citations · 369 across the 17 of their papers we have counts for
17 papers
Efficient Rigid Body Localization based on Euclidean Distance Matrix Completion for AGV Positioning under Harsh Environment
Xinyuan An, Xiaowei Cui, Sihao Zhao +2
In real-world applications for automatic guided vehicle (AGV) navigation, the positioning system based on the time-of-flight (TOF) measurements between anchors and tags is confront…
A priori knowledge-free fast positioning approach for BeiDou receivers
Sihao Zhao, Xiaowei Cui, Mingquan Lu
A Global Navigation Satellite System (GNSS) receiver usually needs a sufficient number of full pseudorange measurements to obtain a position solution. However, it is time-consuming…
Robust Vehicle Positioning based on Multi-Epoch and Multi-Antenna TOAs in Harsh Environments
Xinyuan An, Sihao Zhao, Xiaowei Cui +2
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 anc…
Sequential Doppler Shift based Optimal Localization and Synchronization with TOA
Sihao Zhao, Ningyan Guo, Xiao-Ping Zhang +2
Doppler shift is an important measurement for localization and synchronization (LAS), and is available in various practical systems. Existing studies on LAS techniques in a time di…
Closed-form Two-way TOA Localization and Synchronization for User Devices with Motion and Clock Drift
Sihao Zhao, Ningyan Guo, Xiao-Ping Zhang +2
A two-way time-of-arrival (TOA system is composed of anchor nodes (ANs and user devices (UDs . Two-way TOA measurements between AN-UD pairs are obtained via round-trip communicatio…
Sequential TOA-Based Moving Target Localization in Multi-Agent Networks
Qin Shi, Xiaowei Cui, Sihao Zhao +1
Localizing moving targets in unknown harsh environments has always been a severe challenge. This letter investigates a novel localization system based on multi-agent networks, wher…
A New TOA Localization and Synchronization System with Virtually Synchronized Periodic Asymmetric Ranging Network
Sihao Zhao, Xiao-Ping Zhang, Xiaowei Cui +1
In this article, we design a new time-of-arrival (TOA) system for simultaneous user device (UD) localization and synchronization with a periodic asymmetric ranging network, namely…
Semidefinite Programming Two-way TOA Localization for User Devices with Motion and Clock Drift
Sihao Zhao, Xiao-Ping Zhang, Xiaowei Cui +1
In two-way time-of-arrival (TOA) systems, a user device (UD) obtains its position by round-trip communications to a number of anchor nodes (ANs) at known locations. The objective f…
New Closed-form Joint Localization and Synchronization using Sequential One-way TOAs
Ningyan Guo, Sihao Zhao, Xiao-Ping Zhang +3
It is an essential technique for the moving user nodes (UNs) with clock offset and clock skew to resolve the joint localization and synchronization (JLAS) problem. Existing iterati…
Optimal Localization with Sequential Pseudorange Measurements for Moving Users in a Time Division Broadcast Positioning System
Sihao Zhao, Xiao-Ping Zhang, Xiaowei Cui +1
In a time division broadcast positioning system (TDBPS), a user device (UD) determines its position by obtaining sequential time-of-arrival (TOA) or pseudorange measurements from s…
Single point positioning using full and fractional pseudorange measurements from GPS and BDS
Sihao Zhao, Xiaowei Cui, Mingquan Lu
In conventional global navigation satellite system (GNSS) receivers, usually full pseudorange measurements are required to complete a single point position fix. However, to obtain…
A Closed-form Localization Method Utilizing Pseudorange Measurements from Two Non-synchronized Positioning Systems
Sihao Zhao, Xiao-Ping Zhang, Xiaowei Cui +1
In a time-of-arrival (TOA) or pseudorange based positioning system, user location is obtained by observing multiple anchor nodes (AN) at known positions. Utilizing more than one po…
Optimal Two-way TOA Localization and Synchronization for Moving User Devices with Clock Drift
Sihao Zhao, Xiao-Ping Zhang, Xiaowei Cui +1
In two-way time-of-arrival (TOA) systems, a user device (UD) obtains its position and timing information by round-trip communications to a number of anchor nodes (ANs) at known loc…
Range-only Collaborative Localization for Ground Vehicles
Qin Shi, Xiaowei Cui, Sihao Zhao +2
High-accuracy absolute localization for a team of vehicles is essential when accomplishing various kinds of tasks. As a promising approach, collaborative localization fuses the ind…
Visual-UWB Navigation System for Unknown Environments
Qin Shi, Xiaowei Cui, Wei Li +2
Navigation applications relying on the Global Navigation Satellite System (GNSS) are limited in indoor environments and GNSS-denied outdoor terrains such as dense urban or forests.…
BLAS: Broadcast Relative Localization and Clock Synchronization for Dynamic Dense Multi-Agent Systems
Qin Shi, Xiaowei Cui, Sihao Zhao +2
The spatiotemporal information plays crucial roles in a multi-agent system (MAS). However, for a highly dynamic and dense MAS in unknown environments, estimating its spatiotemporal…
TOA Positioning for a TDMA Localization System
Sihao Zhao, Xiaowei Cui, Shuang Xu +1
Positioning with one single communication between base stations and user devices can effectively save air time and thus expand the user volume to infinite. However, this usually de…