102   Artículos

 
en línea
Lidong Liu, Shidang Li, Mingsheng Wei, Jinsong Xu and Bencheng Yu    
Network energy resources are limited in communication systems, which may cause energy shortages in mobile devices at the user end. Active Reconfigurable Intelligent Surfaces (A-RIS) not only have phase modulation properties but also enhance the signal st... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Kaijun Song, Lele Fang and Yedi Zhou    
In this paper, a novel kind of mode composite transmission line (MC-TL) is proposed, and a dual-band power divider with a large frequency ratio using this novel MC-TL for 5G communication systems was developed. The proposed MC-TL was developed using spoo... ver más
Revista: Journal of Low Power Electronics and Applications    Formato: Electrónico

 
en línea
Yuzhu Zhang and Hao Xu    
This study investigates the problem of decentralized dynamic resource allocation optimization for ad-hoc network communication with the support of reconfigurable intelligent surfaces (RIS), leveraging a reinforcement learning framework. In the present co... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Hui Jiang, Guoyan Xu, Wen Zeng, Feng Gao and Xiaohu Tang    
Lateral overturns are the most frequent fatal accidents involving tractors. A tractor being able to travel safely on uneven or sloped terrain is still an open field of investigation. The design concept of a four-wheel-drive tractor that can traverse hill... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Yonghong Chen, Lei Xun and Shibing Zhang    
In order to decrease energy consumption caused by the dense deployment of pico base stations (PBSs) in heterogeneous cellular networks (HetNets), this paper first analyzes the energy efficiency (EE) of two-tier HetNets and then proposes a method to maxim... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Woping Xu and Li Gu    
Recently, unmanned aerial vehicle (UAV)-assisted maritime communication systems have drawn considerable attention due to their potential for broadband maritime communication applications. However, their limited energy resources remains a critical issue i... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Vinoth Babu Kumaravelu, Agbotiname Lucky Imoize, Francisco R. Castillo Soria, Periyakarupan Gurusamy Sivabalan Velmurugan, Sundarrajan Jayaraman Thiruvengadam, Dinh-Thuan Do and Arthi Murugadass    
Reconfigurable intelligent surface (RIS)-assisted non-orthogonal multiple access (NOMA) has the ability to overcome the challenges of the wireless environment like random fluctuations, shadowing, and mobility in an energy efficient way when compared to m... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Wafa Elmannai, Khaled Elleithy, Andrew Anthony Benz, Alberto Carmine DeAngelis and Nick Weaver    
This paper aims to design and implement a robust wireless charging system that utilizes affordable materials and the principle of piezoelectricity to generate clean energy to allow the user to store the energy for later use. A wireless charging system th... ver más
Revista: Clean Technologies    Formato: Electrónico

 
en línea
Tareq Khan    
Wildfires kill and injure people, destroy residences, pollute the air, and cause economic loss. In this paper, a low-power Internet of Things (IoT)-based sensor network is developed, which automatically detects fires in forests and sends the location to ... ver más
Revista: IoT    Formato: Electrónico

 
en línea
Dechuan Chen, Jin Li, Jianwei Hu, Xingang Zhang and Shuai Zhang    
In this work, we exploit a multi-antenna cooperative jammer to enable secure short packet communications in Internet of Things (IoT) networks. Specifically, we propose three jamming schemes to combat eavesdropping, i.e., the zero forcing beamforming (ZFB... ver más
Revista: Future Internet    Formato: Electrónico

« Anterior     Página: 1 de 8     Siguiente »