Results 21 to 30 of about 103,721 (258)
Beam-steering metasurfaces assisted coherent optical wireless multichannel communication system
Nanophotonics, 2023 The metasurface based beam-steering devices with the advantages of large steering angles, arbitrary channels and ultra-compactness have played an important role for data allocation and exchange in the optical wireless communication.
Tao Jin +13 more
doaj +1 more source
A study of discrete wavelet transform based denoising to reduce the effect of artificial light interferences for indoor optical wireless communication [PDF]
, 2010 The optical power penalty (OPP) due to the artificial light interferences (ALIs) can be significantly high in an indoor optical wireless communication (OWC) channel making such link practically infeasible.
Angelova, Maia +2 more
core +1 more source
Fusion of Multiple Pyroelectric Characteristics for Human Body Identification
Algorithms, 2014 Due to instability and poor identification ability of single pyroelectric infrared (PIR) detector for human target identification, this paper proposes a new approach to fuse the information collected from multiple PIR sensors for human identification ...
Wanchun Zhou +4 more
doaj +1 more source
Preparation and characterisation of irradiated waste eggshells as oil adsorbent [PDF]
, 2020 Adsorption method had been developed by using natural organic adsorbent for the removal of oil because of its ability to bind the oil molecules into the surface of adsorbent.
Hasrin, N. I., Othman, S. A.
core +1 more source
International Journal of Distributed Sensor Networks, 2018 Rapid growth of machine-type communications devices challenges the future network with a significant aggregated data traffic. Distributed source coding is a promising technique that compresses data sources and decreases required aggregated data ...
Wen Wang +3 more
doaj +1 more source
Research on Underwater Wireless Optical Communication Channel Model and Its Application
Applied Sciences, 2023 Underwater wireless optical communication (UWOC) is an emerging technology with wide-ranging applications in marine exploration, offshore industries, environmental monitoring, and underwater robotics.
Kai Sun, Yiyang Li, Zekai Han
doaj +1 more source
When Will You Have a New Mobile Phone? An Empirical Answer From Big Data
IEEE Access, 2016 When and why people change their mobile phones are important issues in mobile communications industry, because it will impact greatly on the marketing strategy and revenue estimation for both mobile operators and manufactures.
Qingli Ma +4 more
doaj +1 more source
A survey on OFDM-based elastic core optical networking [PDF]
, 2013 Orthogonal frequency-division multiplexing (OFDM) is a modulation technology that has been widely adopted in many new and emerging broadband wireless and wireline communication systems.
De Leenheer, Marc +3 more
core +2 more sources
Communication Efficient Federated Learning With Quantization-Aware Training Design
IEEE Transactions on Machine Learning in Communications and NetworkingModel quantization is an effective method that can improve communication efficiency in federated learning (FL). The existing FL quantization protocols almost stay at the level of post-training quantization (PTQ), which comes at the cost of large ...
Xiang Fang +4 more
doaj +1 more source
Sensors, 2019 Human motion classification based on micro-Doppler effect has been widely used in various fields. However, the motion classification performance would be greatly degraded if the wireless environment has non-target micro-motion interference. In this case,
Xiaolin Ma +4 more
doaj +1 more source