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5g - Astrophysics Data System

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Last Updated: 10 November 2022

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On The Modelling and Performance Analysis of Lower Layer Mobility in 5G-Advanced

One of the forthcoming mobility advancements in 5G-Advanced networks is to perform handover based on Layer 1 measurements using the so-called lower layer mobility tool. We present a system model for lower layer mobility analysis in this paper, as well as benchmark and conditional handover, with system level simulations. Using the key mobility performance metrics, the benefits and drawbacks of lower layer mobility are reviewed and compared to higher layer handover mechanisms. Lower layer mobility has been shown to surpass the previous handover systems in terms of radio communication quality, but it comes at the expense of a higher number of handovers and ping-pongs. In addition, the lower layer mobility procedure is enhanced with a flexible switching system that allows the UE to change cells without being reconfigured by the network.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221102725G/abstract


Towards 5G Zero Trusted Air Interface Architecture

Radio Access Networks are no longer bound by base station proximity or proprietary infrastructure, with Radio Access Networks no longer restricted by base station proximity or proprietary infrastructure. Different hardware and software vendors could be used by O-RAN based 5G networks, boosting vendor diversity, interchangeability, and 5G supply chain resiliency, in favor of 5G network resiliency. The user identifiable information must be secured, which also poses the greatest challenges in complying with privacy policies and procedures that mandate the user identifiable information be shielded. We also discuss how to expand the Zero Trust Model to provide enhanced coverage over 5G air interfaces and network components.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221103776S/abstract


5G-SMART D1.5 Evaluation of radio network deployment options

Latency reduction and mobility features of the 5G NR itself are among the topics covered, as well as detailed analysis of the radio network KPIs, such as latency, reliability, throughput, and capacity.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221103505C/abstract


Accurate and Reliable Methods for 5G UAV Jamming Identification With Calibrated Uncertainty

Only increasing accuracy without considering uncertainty will negatively affect Deep Neural Network decision-making and reduce its reliability. This paper explores five new pre-processing and post-processing techniques for time-series binary classification problems that also improved the accuracy and reliability of DNN outputs in a 5G UAV security database. We first show that the eXtreme Gradient Boosting classifier is not appropriate for binary classification under the conditions this research examines. In the DNN softmax layer, we show that at least one of the proposed techniques can produce better results than the classification. Ideally, we show that the proposed techniques will improve accuracy and reliability with improved uncertainty calibration, based on the assumption that the RS determines the difference between MC and MA measurements, and that this difference should be zero to raise reliability.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221102924F/abstract


Dominance of Smartphone Exposure in 5G Mobile Networks

Due to the effects of ElectroMagnetic Field generated by Radio Base Station on visitors, the deployment of 5G networks is often delayed. RBS EMF's goal is to investigate the subject from a novel angle by comparing RBS EMF against exposure generated by 5G smartphones in commercial deployments. In addition, Line-of-Sight locations see a decrease in around one order of magnitude on the overall exposure relative to Non-Line-of-Sight ones. In addition, 5G exposure would still make up a small amount relative to 4G EMF.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221101077C/abstract


A 5G Enabled Adaptive Computing Workflow for Greener Power Grid

A 5G wireless technology can provide faster data speeds, ultra low latency, increased availability, increased availability, and a more consistent user experience to users. A 5G enabled adaptive computation workflow has been presented in this paper and includes components such as 5G equipment, edge computing, cluster, graphics processing unit, and cloud computing, with two examples illustrating technical feasibility for edge-grid-cloud interaction for power system real-time monitoring, security assessment, and forecasting.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221100150C/abstract


Detector Processor for a 5G Base Station

For 5G base stations' uplink receivers, particularly for those near the cell edge, nonlinear soft bit detection is vital. To reduce computational complexity and latency, a low-cost, low-power parallel implementation of a soft-output detector based on sorted QR decomposition is therefore suggested. In addition, two improvement techniques are used to reduce the computation effort by saturating and truncating large values during PED computation and reduce latency, as well as reduce the sorting cost by using the binary bit sorting scheme for a reduced sample set with finite precision.

Source link: https://ui.adsabs.harvard.edu/abs/2022Senso..22.7731N/abstract


Design of a Tri-Band Wearable Antenna for Millimeter-Wave 5G Applications

In this study, a printed monopole antenna for millimeter-wave applications in the 5G frequency region is shown. U00d7 3 mm u00d7 0. 25 mm, fuchs7 The overall dimensions of the tri-band antenna is 4 mm u00d7 3. 25 mm. The overall simulation radiation effectiveness is shown to be 85 percent higher than the watch strap. According to our comparative study, the proposed antenna is a good choice for smart 5G devices due to its small size and simple assembly, as well as its high gain and radiation efficiency.

Source link: https://ui.adsabs.harvard.edu/abs/2022Senso..22.8012A/abstract


Chemical bonding of copper and epoxy through a thiol-based layer for post 5G/6G semiconductors

This research sought to strengthen the bonding strength between a flat copper surface and an epoxy by chemically bonding copper and epoxy by 4-aminothiophenol. In addition, we compared the experimental XPS results obtained with the simulated XPS spectrum obtained by Simulation of Electron Spectra for Surface Analysis software, allowing us to quantitatively assess the treated surface. Density Function Theory simulated the interaction between treated cooper surface and epoxy. The best treatment time is 1 h. The shear strength of copper and epoxy increased from 8. 2 MPa to 24. 1 MPa.

Source link: https://ui.adsabs.harvard.edu/abs/2023ApSS..60855165Z/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions