Results 51 to 60 of about 4,537 (227)

The Road Towards 6G: A Comprehensive Survey

IEEE Open Journal of the Communications Society, 2021
As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and the number of 5G subscribers already reaches a very large scale.
Wei Jiang, Bin Han, Mohammad Asif Habibi, Hans Dieter Schotten   +3 more
doaj   +1 more source

Dipole‐Manipulated Built‐In Electric Field Enables Ultrafast Charge Separation in Perylene Diimide Polymers for Photoelectrochemical Water Splitting

Advanced Science, EarlyView.
Molecular dipole engineering in dendritic perylene diimide polymers through nitrogen‐rich heterocyclic linkers amplifies the built‐in electric field, enabling sub‐picosecond charge separation and efficient multi‐electron accumulation. This structure–dynamics–performance relationship establishes a versatile design strategy for high‐performance organic ...
Ying‐Xin Qiao, Zicong Situ, Yi‐Jing Chen, Shuo‐Xiang Liu, Jing‐Lan Zhang, Xingqing Li, Luo‐Han Xie, Si‐Hang Xie, Qing‐Xiao Tong, Andong Xia, Zhuoran Kuang, Jing‐Xin Jian   +11 more
wiley   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Multi-perspective approach for developing sustainable 6G mobile communications

, 2023
Digitalisation and the green transition are driving change to societies at large. These intertwined processes play a key role in the broader topic of sustainable development, which is making its way into different sectors of society.
Yrjölä, Seppo, Ahokangas, Petri, Matinmikko-Blue, Marja   +2 more
core   +1 more source

OAM mode purity improvement based on antenna array

Digital Communications and Networks
Orbital Angular Momentum (OAM) waves are characterized by helical wave fronts and orthogonality between different modes. Therefore, OAM waves have huge potential in improving wireless communications' channel capacity and radar imaging's resolution ...
Dandan Liu, Wei Wu, Liangqi Gui, Tao Jiang   +3 more
doaj   +1 more source

AI‐Assisted IoT‐Enabled ECG Monitoring: Integrating Foundational and Generative AI Tools for Sustainable Smart Healthcare—Recent Trends

AI &Innovation, EarlyView.
ABSTRACT The rapid evolution of the Internet of Things (IoT) has significantly advanced the field of electrocardiogram (ECG) monitoring, enabling real‐time, remote, and patient‐centric cardiac care. This paper presents a comprehensive survey of AI assisted IoT‐based ECG monitoring systems, focusing on the integration of emerging technologies such as ...
Amrita Choudhury, Kandarpa Kumar Sarma, Lachit Dutta   +2 more
wiley   +1 more source

A Functional Architecture for 6G Special Purpose Industrial IoT Networks

, 2022
Future industrial applications will encompass compelling new use cases requiring stringent performance guarantees over multiple key performance indicators (KPI) such as reliability, dependability, latency, time synchronization, security, etc.
de Lima, Carlos, Mahmood, Nurul Huda, Berardinelli, Gilberto, Morais de Lima , Carlos, Latva-aho, Matti, Khatib, Emil Jatib, Hashemi , Ramin, Khatib, Emil J., Hashemi, Ramin, Mahmood, {Nurul Huda   +9 more
core   +1 more source

Review of 5G and 6G applications for mobile wireless communication in the military environment

Vojnotehnički Glasnik
Introduction/purpose: This paper seeks to provide a review of the applications of the fifth (5G) and the next, the sixth (6G), generation of mobile wireless communications in the military environment. Methods: Analyzes and syntheses were used to consider
Zoran M. Miličević, Zoran S. Bojković
doaj   +1 more source

Reliable Federated Learning Systems Based on Intelligent Resource Sharing Scheme for Big Data Internet of Things

IEEE Access, 2021
Federated learning (FL) is the up-to-date approach for privacy constraints Internet of Things (IoT) applications in next-generation mobile network (NGMN), $5^{\mathrm {th}}$ generation (5G), and $6^{\mathrm {th}}$ generation (6G), respectively.
Sa Math, Prohim Tam, Seokhoon Kim
doaj   +1 more source

Engineering Biochar‐Derived Functional Materials for High‐Performance Supercapacitors: Design Principles, Mechanisms, and Scalable Strategies

Carbon Energy, EarlyView.
ABSTRACT Biochar has emerged as a useful and adaptable source of carbon for supercapacitor electrodes. Its value comes from the way biomass chemistry, thermal conversion, and activation conditions shape the resulting pore network, surface groups, and degree of carbon ordering.
Soumen Mandal, Avinash C. Mendhe, Mayna Roy, Neha S. Barse, Taejoon Park, Han‐Seung Lee, Haigun Lee   +6 more
wiley   +1 more source