Results 81 to 90 of about 4,227,251 (320)
A Smartphone Indoor Positioning System Using Hybrid Localization Technology
Energies, 2019 As smartphone built-in sensors, wireless technologies, and processor computing power become more advanced and global positioning system (GPS)-based positioning technologies are improving, location-based services (LBS) have become a part of our daily ...
Hui-Seon Gang, Jae-Young Pyun
doaj +1 more source
Virtual Cultural Tour Guidance System Integrated with IBeacon-based Indoor Positioning [PDF]
Jisuanji gongcheng, 2016 The 3D virtual tour system often provides immersive tour experience.It cannot offer information service about tour and is hard to fulfill users’ personalized requirement.To tackle this issue,an indoor positioning method based on IBeacon Bluetooth ...
WU Xiaozhu,CHEN Chongcheng,LIU Xianfeng,LI Jieguang,FANG Lina
doaj +1 more source
Analysis and Accuracy Improvement of UWB-TDoA-Based Indoor Positioning System [PDF]
, 2022 Paolo Grasso +4 more
openalex +1 more source
Survey on WiFi-based indoor positioning techniques
IET Communications, 2020 With the rapid development of wireless communication technology, various indoor location-based services (ILBSs) have gradually penetrated into daily life. Although many other methods have been proposed to be applied to ILBS in the past decade, WiFi-based
Fen Liu +6 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.This work presents scalable silver nanorings with tunable thermoplasmonic properties for smart window applications. By responding to sunlight and environmental changes, the nanorings modulate near‐infrared light and reduce heat transmission. Their unique geometry enables dynamic optical control, offering a promising route toward energy‐efficient ...
Xavier Baami González +1 more
wiley +1 more source
Study on Adversarial Sample Attacks on Deep Learning Based Fingerprinting Indoor Localization [PDF]
Jisuanji gongchengThis study investigated adversarial attacks on Deep Learning(DL) based Wi-Fi fingerprint indoor positioning systems, which have significantly improved indoor localization performance by effectively extracting deep features from Received Signal Strength ...
ZHANG Xuejun, XI Ayou, JIA Xiaohong, ZHANG Bin, LI Mei, DU Xiaogang, HUANG Haiyan
doaj +1 more source
Directional GPS antenna for indoor positioning applications [PDF]
, 2009 In this paper, a directional GPS antenna for L1 frequency - 1575 MHz - with RHCP and a high directive gain is proposed for indoor positioning applications.
Ozsoy, Kerem +3 more
core
A Survey on Fusion-Based Indoor Positioning
IEEE Communications Surveys and Tutorials, 2020 Demands for indoor positioning based services (IPS) in commercial and military fields have spurred many positioning systems and techniques. Complex electromagnetic environments (CEEs) may, however, degenerate the accuracy and robustness of some existing ...
Xiansheng Guo +5 more
semanticscholar +1 more source
IEEE Access, 2022 Logistics is an important driver for the competitiveness of industries and material supply. The development of smart logistics, powered by precise positioning and communication technologies can significantly improve the efficiency of logistics.
Mahmoud Elsanhoury +7 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.The study proposes a 1‐bit programmable metasurface based on flip‐disc display, named flip‐disc metasurface (FD‐MTS). This new design enables ultralow energy consumption while maintaining coding patterns. It also exhibits high scalability and multifunctional flexibility.
Jiang Han Bao +8 more
wiley +1 more source