Results 131 to 140 of about 6,781 (255)

AI‐enabled biomimetic flexible pressure sensors for high‐precision gait monitoring and rehabilitation assessment

FlexMat, EarlyView.
A biomimetic multilayer capacitive sensor‐integrated insole enables high‐resolution plantar pressure mapping for intelligent gait analysis. Featuring ultrahigh sensitivity, wide detection range, and long‐term stability, the system leverages AI algorithms to decode spatiotemporal pressure signals, achieving accurate recognition of postoperative ...
Yingchun Li, Yarong Ding, Kaixin Lei, Yuze Zhang, Zhenhua Lin, Jiachun Sun, Kaitai Guo, Yang Zheng, Shaozhe Tan, Xuesi Zhang, Xinyue Li, Yue Hao, Xiangning Li, Yannan Liu, Jingjing Chang   +14 more
wiley   +1 more source

A Data-Driven Signal Subspace Approach for Indoor Bluetooth Ranging

IEEE Journal of Indoor and Seamless Positioning and Navigation
Bluetooth ranging relies on two-way multicarrier phase difference (MCPD) channel frequency response measurements to mitigate time and phase offsets. However, the challenge of doubled multipath components under the two-way MCPD approach, especially with a
Zaid Bin Tariq, Jayson P. Van Marter, Anand G. Dabak, Naofal Al-Dhahir, Murat Torlak   +4 more
doaj   +1 more source

Privacy-Preserving Contact Tracing Using Bluetooth Low Energy (BLE)

This research paper presents a privacy-preserving digital contact tracing system using Bluetooth Low Energy (BLE) designed to detect close contact interactions while protecting user privacy. Traditional contact tracing systems often rely on centralized databases and location tracking technologies such as GPS, which may expose sensitive personal data ...
Mote, Dnyaneshwari, Sahasrabudhe, Mrunal, Rode, Pooja   +2 more
openaire   +1 more source

Structural design and 3D printing of flexible integrated electronic systems

FlexMat, EarlyView.
This review provides a comprehensive overview of design and integration strategies for individual components in flexible electronics, highlights the 3D‐printing fabrication techniques, and discusses recent advances in system‐level integration and their applications in real‐time monitoring and intelligent robotics.
Jiani Gong, Jiaying Wang, Changsong Shi, Chi Guo, Songze Fu, Jie Tao, Xiaolong Chen, Yunfei Chen, Zhiyang Lyu   +8 more
wiley   +1 more source

Body‐integrated photonic biosensors: Illuminating the path to active healthcare

FlexMat, EarlyView.
Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu, Xingming Wen, Qihang Yan, Yining Zhao, Linghao Yuan, Siyuan Chen, Yue Ma, Zhengyue Fang, Dong Lei, Yuxin Liu, Ze Xiong   +10 more
wiley   +1 more source

Triboelectric nanogenerators for vehicle intelligent cockpits

FlexMat, EarlyView.
Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan, Shiquan Lü, Xiangwei Meng, Huiying Zhang, Wenxing Zhang, Dongxian Sun, Xiao Lu, Lei Wang, Haodong Zhang, William W. Yu   +9 more
wiley   +1 more source

VehLoc: an in-vehicle high-precision location method based on BLE multi-channel RSSI values

Tongxin xuebao, 2018
High precision in-vehicle positioning is the basis of providing smart in-vehicle service, passengers' behavior analysis and other issues, and has important practical value. The RSSI (received signal strength indicator) values of BLE (bluetooth low energy)
Ze ZHAO, Yuan GAO, Li CUI
doaj   +2 more sources

Low-cost indoor positioning system using BLE (bluetooth low energy) based sensor fusion with constrained extended Kalman Filter [PDF]

, 2016
In this paper, a BLE (Bluetooth Low Energy) based new sensor fusion algorithm is proposed. We can estimate distance by using the signal strength from the BLE beacons.
Oh, Jun-Ho, Oh, Jaesung, Bae, Hyoin, Lee, Kangkyu   +3 more
core  

Internet of Things and blockchain applications in food audit, authenticity, and traceability: A systematic review

Food Biomacromolecules, EarlyView.
Abstract This review evaluates the integrated applications of the Internet of Things (IoT) and blockchain technologies in enhancing food audit systems, authenticity verification, and supply chain traceability, transparency, and data reliability. Following Preferred Reporting Items for Systematic Reviews and Meta‐Analyses guidelines, a systematic review
S. Sriranjani, Samuel Ayofemi Olalekan Adeyeye   +1 more
wiley   +1 more source

Performance evaluation of bluetooth low energy in indoor positioning systems [PDF]

, 2017
Artículos en revistasLocal positioning systems (LPS) are attracting much attention, both commercially and scientifically, as they represent a natural extension of global positioning systems to indoor scenarios.
Castro Ponce, Mario, Contreras Bárcena, David, Sánchez de la Torre, David   +2 more
core   +1 more source