Results 71 to 80 of about 10,757 (229)
A comprehensive survey on the security of low power wide area networks for the Internet of Things
ICT ExpressWhile the spreading of the Internet of Things continues beyond expectations, the security of networking technologies used in this context remains an open issue.
Giovanni Stanco +4 more
doaj +1 more source
State-of-the-art in Power Line Communications: from the Applications to the Medium [PDF]
, 2016 In recent decades, power line communication has attracted considerable attention from the research community and industry, as well as from regulatory and standardization bodies.
Cano, Cristina +5 more
core +2 more sources
Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application
Advanced Materials, EarlyView.This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong +12 more
wiley +1 more source
Beyond Silicon: Toward Sustainable, NIR‐II, and Conformable Organic Photodiodes
Advanced Energy Materials, EarlyView.In this perspective, a strategic shift in organic photodetector (OPD) research is proposed: instead of the incremental advances in silicon's stronghold arena, the most impactful future for OPDs lies in addressing silicon's intrinsic limitations, i.e., detection in the longer wavelength range above silicon's coverage (>1100 nm, termed as near infrared ...
Hrisheekesh Thachoth Chandran +7 more
wiley +1 more source
Cross-Cycled Uplink Resource Allocation over NB-IoT
Sensors, 2021 Before each user equipment (UE) can send data using the narrowband physical uplink shared channel (NPUSCH), each UE should periodically monitor a search space in the narrowband physical downlink control channel (NPDCCH) to decode a downlink control ...
Ya-Ju Yu, Yu-Hsiang Huang, Yuan-Yao Shih
doaj +1 more source
Laser &Photonics Reviews, EarlyView.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 +7 more
wiley +1 more source
Digital Pre-Distortion of Carrier Frequency Offset for Reliable Wi-Fi Enabled IoTs
Future Internet, 2017 The Internet of Things (IoTs) will change the requirements for wireless connectivity significantly, mainly with regard to service coverage, data rate, and energy efficiency.
Il-Gu Lee
doaj +1 more source
Wi-Fi Teeter-Totter: Overclocking OFDM for Internet of Things
, 2018 The conventional high-speed Wi-Fi has recently become a contender for low-power Internet-of-Things (IoT) communications. OFDM continues its adoption in the new IoT Wi-Fi standard due to its spectrum efficiency that can support the demand of massive IoT ...
He, Shiyue +4 more
core +1 more source
MXene‐Based Electromagnetic Attenuation Materials in Microwave and Terahertz Bands
Rare Metals, EarlyView.ABSTRACT MXenes exhibit considerable potential for developing high‐performance electromagnetic (EM) shielding and absorption materials operating across microwave and terahertz frequencies, due to their tunable surface chemistry and exceptional charge carrier transport properties.
Guozheng Zhang +9 more
wiley +1 more source
Performance analysis of feedback-free collision resolution NDMA protocol [PDF]
, 2018 To support communications of a large number of deployed devices while guaranteeing limited signaling load, low energy consumption, and high reliability, future cellular systems require efficient random access protocols.
Agustín de Dios, Adrián +3 more
core +2 more sources