Results 51 to 60 of about 235 (82)

An Efficient Polar Coding Scheme for Uplink Data Transmission in Narrowband Internet of Things Systems

IEEE Access, 2020
Narrowband Internet of Things (NB-IoT) is an emerging IoT cellular-based wireless technology that builds based on the existing LTE standard to extend its network coverage suited for Low Power Wide Area Network (LPWAN) connectivity.
Rabiu Sale Zakariyya, Khalid Hossen Jewel, Akinwale O. Fadamiro, Oluwole John Famoriji, Fujiang Lin   +4 more
doaj   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

Advanced Materials Technologies, Volume 11, Issue 13, 8 July 2026.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu, Mengyao Xiao, Zhouli Sui, Yinpeng Wang, Daoye Zheng, Yuxin Liu, Luwei Wang, Huajun Liu, Chengkuo Lee   +8 more
wiley   +1 more source

An Energy-Efficient and Adaptive Channel Coding Approach for Narrowband Internet of Things (NB-IoT) Systems

Sensors, 2020
Most of the current research work on the Narrowband Internet of Things (NB-IoT) is focused on enhancing its network coverage. Many of the existing NB-IoT channel coding techniques are based on repeating transmission data and control signals as a way of ...
Emmanuel Migabo, Karim Djouani, Anish Kurien   +2 more
doaj   +1 more source

Embodied Intelligence for Soil Health toward Sustainable Smart Agriculture: Sensing the Soil with Flexible Geotextiles Sensors

Global Challenges, Volume 10, Issue 6, June 2026.
This review examines the transition from rigid to flexible soil sensing technologies in the context of soil as a dynamic and heterogeneous environment. By integrating sensor types, sensing modalities, materials, fabrication and deployment strategies, and IoT‐enabled energy and communication approaches, it highlights geotextiles as scalable sensing ...
Ayse Feyza Yilmaz, Meltem Tekcin, Burak Kilic, Erdem Bahadir, Fatima Iqbal, Ahad Khabbaz Bavil, Batuhan Atasoy, Senem Kursun   +7 more
wiley   +1 more source

QiSTH: Quantum‐Inspired Secure Multispectral Transformer Networks For Remote Sensing Data Harmonization

Advanced Quantum Technologies, Volume 9, Issue 6, June 2026.
Secure data Harmonization in a heterogeneous remote sensing environment remains a critical issue across distributed geographical platforms. Multispectral and environmental sensors face challenges with sensor noise, calibration drift, and site‐specific variability. This work presents a quantum‐inspired secure multispectral Transformer network for secure
Wajdan Al Malwi, Fatima Asiri, Bakri Hussain Awaji, Laula Zhumabayeva, Fahad Masood, Muhammad Shahbaz Khan, Jawad Ahmad   +6 more
wiley   +1 more source

Intelligent materials for on‐demand electromagnetic absorption

InfoMat, Volume 8, Issue 5, May 2026.
This review introduces an innovative “stimulus‐state‐property” paradigm, facilitating a fundamental transition from static to dynamically intelligent electromagnetic wave absorption (EMWA). The key advancement lies in the synergistic integration of external fields with structurally engineered metamaterials and tunable components.
Chongyang Chai, Lin Yang, Haoxu Si, Bo Hao, Yi Zhang, Cuiping Li, Jingwei Zhang, Chunhong Gong   +7 more
wiley   +1 more source

Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications

Advanced Functional Materials, Volume 36, Issue 30, 13 April 2026.
Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief, Petr Rozhin, Ilaria Bertuol, Ali Raza, Leonardo Viti, Subhankar Roy, Enrico Cavarzerani, Luca Sbuelz, Matteo Brilli, Andrea Serinolli, Jacopo Nicoletti, Riccardo Piccoli, Sebastián Castilla, Simone Dal Zilio, Enrique Rodríguez‐Castellón, Miriam Serena Vitiello, Maurizio Selva, Flavio Rizzolio, Alvise Perosa, Giovanni Antonio Salvatore, Domenico De Fazio   +20 more
wiley   +1 more source

Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends

Laser &Photonics Reviews, Volume 20, Issue 8, 17 April 2026.
This review examines how optical coherence tomography transforms industrial inspection by delivering real‐time, micrometer‐resolution, depth‐resolved imaging. It surveys applications across display manufacturing, thin films, microelectronics, laser processing, and coatings, evaluates performance against conventional techniques, and highlights emerging ...
Nipun Shantha Kahatapitiya, Sm Abu Saleah, Daewoon Seong, Naresh Kumar Ravichandran, Sangyeob Han, Ruchire Eranga Wijesinghe, Mansik Jeon, Jeehyun Kim   +7 more
wiley   +1 more source

Understanding the Potentials of Narrowband Internet of Things (NB-IoT) Cellular Technology: Salient Features, Architecture, Smart Applications and Quality of Service (QoS) Challenges

IEEE Open Journal of the Communications Society
Since the last decade, the number of Internet of Things (IoT) devices has increased dramatically and to operate them at low power has been a great challenge.
Muhammad Waseem, Alicia Lopez, Pedro Luis Carro, Maria Angeles Losada, Dwight Richards, Abdul Aziz   +5 more
doaj   +1 more source

A survey on LPWA technology: LoRa and NB-IoT

ICT Express, 2017
By 2020, more than twenty five billion devices would be connected through wireless communications. In accordance with the rapid growth of the internet of things (IoT) market, low power wide area (LPWA) technologies have become popular.
Rashmi Sharan Sinha, Yiqiao Wei, Seung-Hoon Hwang   +2 more
doaj   +1 more source