Results 21 to 30 of about 367,785 (340)

QSPCA: A two-stage efficient power control approach in D2D communication for 5G networks

open access: yesIntelligent and Converged Networks, 2021
The existing literature on device-to-device (D2D) architecture suffers from a dearth of analysis under imperfect channel conditions. There is a need for rigorous analyses on the policy improvement and evaluation of network performance. Accordingly, a two-
Saurabh Chandra   +4 more
doaj   +1 more source

Wireless Sensor Networks

open access: yes, 2016
Versatile and effective, Wireless Sensor Networks (WSNs) witness a continuous expansion of their application domains. Yet, their use is still hindered by issues such as reliability, lifetime, overall cost, design effort and multidisciplinary engineering knowledge, which often prove to be daunting for application domain experts.
LAZARESCU, MIHAI TEODOR   +1 more
openaire   +5 more sources

An Improved Intrusion Detection Algorithm Based on GA and SVM

open access: yesIEEE Access, 2018
In the era of big data, with the increasing number of audit data features, human-centered smart intrusion detection system performance is decreasing in training time and classification accuracy, and many support vector machine (SVM)-based intrusion ...
Peiying Tao, Zhe Sun, Zhixin Sun
doaj   +1 more source

Analyze UCA Based OAM Communication From Spatial Correlation

open access: yesIEEE Access, 2020
Orbital Angular Momentum(OAM) of Electromagnetic(EM) wave can be seen as a new degree of freedom(DoF) for wireless communication besides time and frequency. Uniform Circular Antenna Array(UCA) fed with signal of equal amplitude and equal phase difference
Wei Yu   +3 more
doaj   +1 more source

Common security issues and challenges in wireless sensor networks and IEEE 802.11 wireless mesh networks [PDF]

open access: yes, 2009
Both Wireless Mesh Network (WMN) and Wireless Sensor Network (WSN) are multi-hop wireless networks. WMN is an emerging community based integrated broadband wireless network which ensures high bandwidth ubiquitous internet provision to users, while, WSN ...
Loo, KK, Naeem, T
core   +1 more source

Probability Model Based Coverage-Enhancing Algorithm for WSNs of Nodes' Adjustable Movement Pattern

open access: yesInternational Journal of Distributed Sensor Networks, 2012
Aimed at the defects of current coverage-enhancing algorithms, firstly the probability model is introduced into the coverage-enhancing algorithm of the directional sensor network based on the virtual potential field, and the probability model would have ...
Junjie Huang   +4 more
doaj   +1 more source

A Collaborative Key Management Protocol in Ciphertext Policy Attribute-Based Encryption for Cloud Data Sharing

open access: yesIEEE Access, 2017
Ciphertext policy attribute-based encryption (CP-ABE) is a promising cryptographic technique for fine-grained access control of outsourced data in the cloud. However, some drawbacks of key management hinder the popularity of its application. One drawback
Guofeng Lin, Hanshu Hong, Zhixin Sun
doaj   +1 more source

Consumer Wi‐Fi device based action quality recognition: An illustrative example of seated dumbbell press action

open access: yesIET Communications, 2021
A system called WiSDP, which is based on Wi‐Fi signals, to detect whether a Seated Dumbbell Press action is standard by using inexpensive consumer Wi‐Fi devices is proposed. Compared with the scheme based on high speed cameras and wearable sensors, Wi‐Fi
Yuxi Qin   +4 more
doaj   +1 more source

QoS in Wireless Sensor Networks [PDF]

open access: yesSensors, 2018
The last decades have witnessed advances in multiple wireless sensor networks in both the academic and industrial world. [...]
openaire   +4 more sources

FCS-MBFLEACH: Designing an Energy-Aware Fault Detection System for Mobile Wireless Sensor Networks [PDF]

open access: yes, 2019
Wireless sensor networks (WSNs) include large-scale sensor nodes that are densely distributed over a geographical region that is completely randomized for monitoring, identifying, and analyzing physical events.
GhasemiGol, Mohammad   +5 more
core   +2 more sources

Home - About - Disclaimer - Privacy