Results 1 to 10 of about 67,512 (308)

Temporal and cultural limits of privacy in smartphone app usage

open access: yesScientific Reports, 2021
Large-scale collection of human behavioural data by companies raises serious privacy concerns. We show that behaviour captured in the form of application usage data collected from smartphones is highly unique even in large datasets encompassing millions ...
Vedran Sekara   +3 more
doaj   +1 more source

A remote attestation mechanism using group signature for the perception layer in centralized networking

open access: yesEURASIP Journal on Wireless Communications and Networking, 2022
As the important transmission approach of the perception data, the security and privacy of the perception layer nodes have been paid more and more attention.
Jing Huang   +4 more
doaj   +1 more source

Outage prediction for ultra-reliable low-latency communications in fast fading channels

open access: yesEURASIP Journal on Wireless Communications and Networking, 2021
The addition of redundancy is a promising solution to achieve a certain quality of service (QoS) for ultra-reliable low-latency communications (URLLC) in challenging fast fading scenarios.
Andreas Traßl   +6 more
doaj   +1 more source

Optical Filter Bank Modeling and Design for Multi-Color Visible Light Communications

open access: yesIEEE Photonics Journal, 2021
Multi-color visible light communication (MC-VLC) can achieve a multi-fold rate by taking advantage of multiple color channels. The optical filters for separating different colors are often designed for the normal incidence case only.
Pengfei Ge   +5 more
doaj   +1 more source

Research on energy consumption modeling method for 5G wireless communication equipment based on AI algorithm

open access: yesDianzi Jishu Yingyong, 2023
Based on a large amount of energy consumption, performance indicators and base station configuration data that can be collected in the 5G network management system, this paper uses machine learning algorithms to establish an energy consumption ...
Lu Yun   +6 more
doaj   +1 more source

Deep Learning-Based Channel Estimation for Massive-MIMO With Mixed-Resolution ADCs and Low-Resolution Information Utilization

open access: yesIEEE Access, 2021
In this paper, we propose two deep-learning based uplink channel estimation approaches that can utilize not only high-resolution-ADC-quantized but also low-resolution-ADC-quantized received pilot signals to improve estimation performance for mixed analog-
Jin Zicheng   +4 more
doaj   +1 more source

Joint Beamforming and Trajectory Optimization for Intelligent Reflecting Surfaces-Assisted UAV Communications

open access: yesIEEE Access, 2020
Unmanned aerial vehicle (UAV) and intelligent reflecting surface (IRS) are anticipated to be widely applied for improving the spectrum and energy efficiency in the forthcoming wireless communication systems.
Linghui Ge   +4 more
doaj   +1 more source

Scalable Pilot Assignment Scheme for Cell-Free Large-Scale Distributed MIMO With Massive Access

open access: yesIEEE Access, 2021
With the explosive growth of mobile communication technology, the number of access terminals has increased dramatically, which will make the pilot contamination caused by pilot reuse extremely worse due to limited pilot resources.
Jiamin Li   +4 more
doaj   +1 more source

Slice Merging/Spliting Operations and Tenant Profit Optimization Across 5G Base Stations

open access: yesIEEE Access, 2021
Network slicing is a promising technology that can tailor the network to support diverse types of services over a common physical network infrastructure, and tenants can lease the customized slices from network providers to provide customized services ...
Xiao Fu   +4 more
doaj   +1 more source

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