Results 51 to 60 of about 2,854,502 (329)

Communications Research [PDF]

open access: yes, 1950
Contains reports on five research ...
Arguimbau, Lawrence B.   +28 more
core   +1 more source

Towards a Secure Smart Grid Storage Communications Gateway

open access: yes, 2017
This research in progress paper describes the role of cyber security measures undertaken in an ICT system for integrating electric storage technologies into the grid.
Marksteiner, Stefan, Vallant, Heribert
core   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

A multi-dimensional hierarchical evaluation system for data quality in trustworthy AI

open access: yesJournal of Big Data
Recently, the widespread adoption of artificial intelligence (AI) has given rise to a significant trust crisis, stemming from the persistent emergence of issues in practical applications.
Hui-Juan Zhang   +7 more
doaj   +1 more source

Energy Efficiency Optimization in Massive MIMO Secure Multicast Transmission

open access: yesEntropy, 2020
Herein, we focus on energy efficiency optimization for massive multiple-input multiple-output (MIMO) downlink secure multicast transmission exploiting statistical channel state information (CSI). Privacy engineering in the field of communication is a hot
Bin Jiang   +5 more
doaj   +1 more source

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin   +7 more
wiley   +1 more source

A rapid fingerprint positioning method based on deep convolutional neural network for MIMO-OFDM systems

open access: yesUrban Lifeline
The combination of fingerprint positioning and 5G (the 5th Generation Mobile Communication Technology) offers broader application prospects for indoor positioning technology, but also brings challenges in real-time performance.
Chenlin He   +6 more
doaj   +1 more source

Survey of RF Communications and Sensing Convergence Research

open access: yesIEEE Access, 2017
Wireless mediums, such as RF, optical, or acoustical, provide finite resources for the purposes of remote sensing (such as radar) and data communications.
Bryan Paul   +2 more
doaj   +1 more source

Phase Change Material‐Driven Tunable Metasurface for Adaptive Terahertz Sensing and Communication in 6G Perceptive Networks

open access: yesAdvanced Functional Materials, EarlyView.
This study explores the benefits of metasurfaces made from functional materials, highlighting their ability to be adapted and improved for various high‐frequency applications, including communications and sensing. It first demonstrates the potential of these functional material‐based metasurfaces to advance the field of sub‐THz perceptive networks ...
Yat‐Sing To   +5 more
wiley   +1 more source

Performance of Ship-Based QKD Under the Influence of Sea-Surface Atmospheric Turbulence

open access: yesPhotonics
There are numerous studies on the effects of ocean turbulence on wireless optical communications and on satellite–ground quantum key distribution (QKD); however, there are few studies on the impact of near sea-surface turbulence on ship-based QKD ...
Gui-Ying Jiang   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy