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6g - Astrophysics Data System

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Last Updated: 10 November 2022

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Concurrent Downlink and Uplink Joint Communication and Sensing for 6G Networks

This paper describes a Concurrent Downlink and Uplink JCAS system, where the BS will use the echo of sent dedicated signals for sensing in the uplink timeslot while simultaneously ensuring reliable uplink link connectivity while still allowing for effective uplink communication. A new variation of interference cancellation-based CDU JCAS processing scheme has been developed to enable the estimation of uplink communication symbols and downlink sensing parameters.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221104062C/abstract


Pushing AI to Wireless Network Edge: An Overview on Integrated Sensing, Communication, and Computation towards 6G

In both industry and academia, artificial intelligence from central cloud to network edge has gained board approval for materializing the dream of artificial intelligence of things in the sixth-generation period. This brings up an emerging research field called edge intelligence, which seeks to extract human-like intelligence from the huge amount of data scattered at the wireless network edge, which is related to an emerging research field called edge intelligence, which seeks to the extraction of human-like intelligence from the massive amount of data scattered at a wireless network edge. This ultimately leads to a new design paradigm of seamless integrated sensing, collaboration, and computation in a task-oriented manner that explicitly accounts for the use of the data in downstream AI applications.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221102574Z/abstract


An Open Platform for Simulating the Physical Layer of 6G Communication Systems with Multiple Intelligent Surfaces

Reconfigurable Intelligent Surfaces are a promising technology that could meet the demanding performance and capacity requirements of the forthcoming 6G wireless networks by providing software-defined control over wireless propagation phenomena. Despite the existence of several theoretical models describing various aspects of RIS from the signal processing perspective, there is no such platform to simulate and investigate their actual physical layer behavior, particularly in the multi-RIS case. We develop an open simulation platform in this paper, aimed at modeling the physical-layer electromagnetic coupling and propagation between RIS pairs.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221101659P/abstract


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

To minimize the signal loss caused by the skin effect, a flat copper substrate surface is needed. This work attempted to bond a flat copper surface and an epoxy by chemically bonding copper and epoxy through 4-aminophenol. In addition, we compared the experimental XPS results obtained by simulation of Electron Spectra for Surface Analysis software to the simulated XPS spectrum obtained by Surface Analysis software, allowing us to analyze the treated surface quantitatively. 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


Enhanced photoluminescence and color tuning from Rhodamine 6G-doped sol-gel glass matrix via DNA templated CdS nanoparticles

Lasers with a high-performance organic solid-state laser can be made from a variety of host and luminophore combinations. Rhodamine 6G is a promising candidate for tunable solid-state laser materials. Sol-gel is a process for making glass at low temperatures that prevent organic dyes from degrading. The photoluminescence experiments of Rhodamine 6G-doped sol-gel glasses reveal increases in brightness and fine tuning of emission wavelength in the presence of cadmium sulfide nanoparticles. The results and observations have shown the possibility of using CdS-infused Rhodamine 6G-doped sol-gel glass as a tunable component for organic solid-state lasers.

Source link: https://ui.adsabs.harvard.edu/abs/2022AIPA...12j5217R/abstract


Adsorption of rhodamine 6G and choline on gold electrodes: a molecular dynamics study

The absorption of prototypical analyte molecules on gold electrodes with negative, neutral, and positive surface charges can be investigated by molecular dynamics simulations. However, the adsorbed molecules' configurations can also alter a molecule's conformation, and adsorption can also change a molecule's conformation. The adsorption of Rhodamine 6G molecules adsorb more strongly than choline molecules, and electrode charge in 0. 25 M NaCl solutions can affect both molecules.

Source link: https://ui.adsabs.harvard.edu/abs/2023Nanot..34b5501W/abstract


A Novel and Adaptive Angle Diversity-Based Receiver for 6G Underground Mining VLC Systems

Visible light exchange is considered a key enabler for future 6G wireless networks. Among the many applications in which VLC systems are used are used, one of them is difficult environments such as Underground Mining tunnels. Since underground mining Visible Light Communication systems are inherently fragile, current research should be focusing on ways to eliminate these issues and improve the performance of Underground Mining Visible Light Communication systems. This article discusses a novel option that involves upgrade to the Angle Diversity Receivers based on the Photo-Diodes' adaptive orientation in terms of the Received Signal Strength Ratio scheme. Consequently, the numerical results show that the hemidodecahedral ADR, coupled with adaptive orientation PDs, improves the received optical signal. This novel technique advances the UM-VLC's efficiency, contributing to increased awareness of VLC systems as potential and enabling technologies for future 6G deployments.

Source link: https://ui.adsabs.harvard.edu/abs/2022Entrp..24.1507P/abstract


Low Complexity Adaptive Detection of Short CPM Bursts for Internet of Things in 6G

With the introduction of 5G standardization and commercialization of 5G, research on 6G technology has began. In this paper, a new low-complexity soft-input/output adaptive detection scheme for short CPM bursts is suggested for low-power, massive Internet of Things connectivity in 6G. The RLS-ASD avoids matrix inversion for the computation of branch parameters, compared to using a least-squares estimator, while the LMS-ASD further reduces the RLS-ASD's steps at the cost of results. Simulation results and analysis show that the RLS-ASD enhances results by about 1 dB compared to the state-of-the-art approach in time-variant environments while maintaining a similar degree of complexity.

Source link: https://ui.adsabs.harvard.edu/abs/2022Senso..22.8316P/abstract


SIX-Trust for 6G: Towards a Secure and Trustworthy 6G Network

However, these paradigm shifts may lead to a variety of new security and privacy challenges that traditional security services may not be able to deal with. We'll help you solve these problems and establish a reliable 6G network by using SIX-Trust, a three-layer trust framework that blends sustainable trust, infrastructure trust, and xenogenesis confidence. In general, SIX-Trust provides a complete framework for defining and modeling trust of 6G, which can aid in the establishment of a reliable 6G network.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv221017291W/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