Results 131 to 140 of about 1,124,592 (372)

Performance Analysis of Cooperative Relaying Systems With Power-Domain Non-Orthogonal Multiple Access

open access: yesIEEE Access, 2018
Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques in 5G communication networks. In this paper, a cooperative NOMA relaying scheme with two-phase superposition coding is proposed to enhance the performance of NOMA ...
Yingying Zhang   +3 more
doaj   +1 more source

Organic Electrochemical Transistors for Neuromorphic Devices and Applications

open access: yesAdvanced Materials, EarlyView.
Organic electrochemical transistors are emerging as promising platforms for neuromorphic devices that emulate neuronal and synaptic activities and can seamlessly integrate with biological systems. This review focuses on resultant organic artificial neurons, synapses, and integrated devices, with an emphasis on their ability to perform neuromorphic ...
Kexin Xiang   +4 more
wiley   +1 more source

The Security Network Coding System With Physical Layer Key Generation in Two-Way Relay Networks

open access: yesIEEE Access, 2018
Network coding is one of the key technologies to improve the throughput, efficiency, and reliability of two-way relay networks (TWRNs). However, it also brings some new security problems when the physical layer security is considered.
Yuanyuan Kong   +3 more
doaj   +1 more source

Energy-Efficient and Coverage-Guaranteed Unequal-Sized Clustering for Wireless Sensor Networks [PDF]

open access: gold, 2019
Niayesh Gharaei   +4 more
openalex   +1 more source

Improvement on LEACH Protocol of Wireless Sensor Network

open access: yes, 2013
Wireless sensor networks comprise of minor battery driven devices with restricted energy resources.Once installed,the minor sensor nodes are usually unapproachable to the operator, and thus auxiliary of the energy source is not practicable.Hence,energy ...
Xiao Wen Ma, Xiang Yu
semanticscholar   +1 more source

Recent Advances in Collective Behaviors of Micro/Nanomotor Swarms

open access: yesAdvanced Materials, EarlyView.
This review describes the driving forces behind collective motion, explores the self‐organization of micro/nano swarms across zero‐dimensional (0D), one‐dimensional (1D), two‐dimensional (2D), and three‐dimensional (3D) spaces, and highlights their potential in drug delivery, environmental monitoring, and smart devices.
Siwen Sun   +4 more
wiley   +1 more source

Using artificial intelligence in routing schemes for wireless networks [PDF]

open access: yes, 2007
For the latest 10 years, many authors have focused their investigations in wireless sensor networks. Different researching issues have been extensively developed: power consumption, MAC protocols, self-organizing network algorithms, data-aggregation ...
Barbancho Concejero, Antonio   +3 more
core  

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