Results 91 to 100 of about 4,227,251 (320)

A Novel High Precision and Low Consumption Indoor Positioning Algorithm for Internet of Things

IEEE Access, 2019
Internet of Things (IoT) is digitizing the world, and indoor positioning is one of the important applications of them. Indoor positioning refers to the realization of positioning in the indoor environment.
Jin Ren, Yunan Wang, Changliu Niu, Wei Song   +3 more
doaj   +1 more source

Hybrid Wi-Fi and BLE Fingerprinting Dataset for Multi-Floor Indoor Environments with Different Layouts

Data, 2022
Indoor positioning has garnered significant interest over the last decade due to the rapidly growing demand for location-based services. As a result, a multitude of techniques has been proposed to localize objects and devices in indoor environments ...
Aina Nadhirah Nor Hisham, Yin Hoe Ng, Chee Keong Tan, David Chieng   +3 more
doaj   +1 more source

A Survey of Machine Learning for Indoor Positioning

IEEE Access, 2020
Widespread proliferation of wireless coverage has enabled culmination of number of advanced location-based services (LBS). Continuous tracking of accurate physical location is the foundation of these services, which is a challenging task especially ...
Ahasanun Nessa, Bhagawat Adhikari, Fatima Hussain, Xavier N Fernando   +3 more
semanticscholar   +1 more source

Extensive Review of Materials for Next‐Generation Transparent Batteries and Their Design Strategies

Advanced Functional Materials, EarlyView.
Review explores emerging materials and design strategies for transparent batteries, examining electrodes, electrolytes, separators, and device architectures optimized for high electrochemical performance, mechanical flexibility, and optical transparency.
Atul Kumar Mishra, Shuvaraj Ghosh, Malkeshkumar Patel, Sourov Hossain, Ju‐Hyung Yun, Joondong Kim   +5 more
wiley   +1 more source

The Challenge of Dynamic Environments in Regard to RSSI-Based Indoor Wi-Fi Positioning—A Systematic Review

Future Internet
Among indoor positioning technologies, Wi-Fi fingerprinting using the Received Signal Strength Indicator (RSSI) is the most convenient and cost-effective method for indoor positioning.
Zi Yang Chia, Pey Yun Goh, Lee Yeng Ong, Shing Chiang Tan   +3 more
doaj   +1 more source

A Neural-Network-Based Indoor Positioning System by Using Sectored Antenna Array [PDF]

, 2016
This paper presents the development of sectored antenna array and modified probabilistic neural network positioning algorithm for an indoor positioning system (IPS).
Chen, C. (Chih-Yung), Chen, Y. (Yu-Ju), Hwang, R. (Rey-Chue), Weng, Y. (Ya-Chen)   +3 more
core  

Photoconductivity‐Driven Quantum Efficiency Gain in Inorganic Ruddlesden‐Popper Layered Cs2PbBr2I2 Perovskite Photodetector for Visible Light Detection

Advanced Functional Materials, EarlyView.
Rational halogen mixing strategy was employed to shift the bandgap of Cs2PbBr2I2 from ultraviolet to visible region, enabling first realization of a visible‐light photodetector with this 2D layered Ruddlesden‐Popper perovskite material. Under illumination, light‐induced internal field forms and drives trap‐mediated persistent photoconductivity ...
Md Fahim Al Fattah, Asif Abdullah Khan, Saikiran Khamgaonkar, Majid Haji Bagheri, Danyah Khan, Md Rasidul Islam, Mahmoud Almadoun, Aixi Pan, Alexander Li, Marwa Abd‐Ellah, Vivek Maheshwari, Dayan Ban   +11 more
wiley   +1 more source

Indoor Localization Methods for Smartphones with Multi-Source Sensors Fusion: Tasks, Challenges, Strategies, and Perspectives

Sensors
Positioning information greatly enhances the convenience of people’s lives and the efficiency of societal operations. However, due to the impact of complex indoor environments, GNSS signals suffer from multipath effects, blockages, and attenuation ...
Jianhua Liu, Zhijie Yang, Sisi Zlatanova, Songnian Li, Bing Yu   +4 more
doaj   +1 more source

Indoor positioning technology assessment using analytic hierarchy process for pedestrian navigation services [PDF]

, 2015
Indoor positioning is one of the biggest challenges of many Location Based Services (LBS), especially if the target users are pedestrians, who spend most of their time in roofed areas such as houses, offices, airports, shopping centres and in general ...
Basiri, Anahid, Figueiredo e Silva, Pedro, Hill, Chris, Lohan, Elena Simona, Moore, Terry, Peltola, Pekka   +5 more
core   +2 more sources

Photothermal Macroporous Lignin Cryogels for Off‐Grid, Continuous Atmospheric Water Collection via Interlayer Heat Recovery

Advanced Functional Materials, EarlyView.
Photothermal, macroporous lignin‐based cryogels are engineered to convert sunlight into low‐grade heat. Integrated as stacked beds in a drum‐type device, a thin copper interlayer transfers waste heat between beds, enabling interlayer heat recovery and continuous solar cycling.
Jie Yan, Jiqing Lu, Tian Bai, Lin Li, Zhaoxuan Niu, Yiying Yue, Wanli Cheng, Guangping Han, Orlando J. Rojas   +8 more
wiley   +1 more source