The emergence of next generation networks(NextG),including 5G and beyond,is reshaping the technological landscape of cellular and mobile networks.These networks are sufficiently scaled to interconnect billions of user...The emergence of next generation networks(NextG),including 5G and beyond,is reshaping the technological landscape of cellular and mobile networks.These networks are sufficiently scaled to interconnect billions of users and devices.Researchers in academia and industry are focusing on technological advancements to achieve highspeed transmission,cell planning,and latency reduction to facilitate emerging applications such as virtual reality,the metaverse,smart cities,smart health,and autonomous vehicles.NextG continuously improves its network functionality to support these applications.Multiple input multiple output(MIMO)technology offers spectral efficiency,dependability,and overall performance in conjunctionwithNextG.This article proposes a secure channel estimation technique in MIMO topology using a norm-estimation model to provide comprehensive insights into protecting NextG network components against adversarial attacks.The technique aims to create long-lasting and secure NextG networks using this extended approach.The viability of MIMO applications and modern AI-driven methodologies to combat cybersecurity threats are explored in this research.Moreover,the proposed model demonstrates high performance in terms of reliability and accuracy,with a 20%reduction in the MalOut-RealOut-Diff metric compared to existing state-of-the-art techniques.展开更多
快速城镇化与极端气候变化的背景下,城市遭受超设防标准灾害性事件冲击的频率不断增加。社区作为城市管理的基本单元,韧性社区研究对提升当前风险治理能力具有重要意义。本文运用CiteSpace文献计量方法,以Web of Science核心合集中1986-...快速城镇化与极端气候变化的背景下,城市遭受超设防标准灾害性事件冲击的频率不断增加。社区作为城市管理的基本单元,韧性社区研究对提升当前风险治理能力具有重要意义。本文运用CiteSpace文献计量方法,以Web of Science核心合集中1986-2022年1023篇韧性社区研究论文为研究对象,通过文献共被引、关键词共现及突现词等分析,针对韧性社区领域进行了研究回顾与展望。研究发现,当前韧性社区研究已基本形成完整的理论和方法体系,但是在研究理论的支撑性、评价方法的集成性、前沿分支的丰富性等仍待进一步提升,集中体现在:韧性社区研究的主要知识群组包括韧性社区概念起源、韧性社区基础理论框架、韧性社区评价方法、社区灾害风险识别与响应机制;韧性社区研究的主要发展路径包括“韧性社区理论研究”、“韧性理论-韧性社区评价-韧性能力提升”与“韧性社区-社区灾害风险评价-社区灾害响应模型”;韧性社区动态衡量模型成为当前韧性社区研究前沿,未来应聚焦多维视角的理论框架、关键影响因素、动态耦合的评价模型、韧性社区规划范式与全周期的韧性行动方案等开展深化研究。展开更多
基金funding from King Saud University through Researchers Supporting Project number(RSP2024R387),King Saud University,Riyadh,Saudi Arabia.
文摘The emergence of next generation networks(NextG),including 5G and beyond,is reshaping the technological landscape of cellular and mobile networks.These networks are sufficiently scaled to interconnect billions of users and devices.Researchers in academia and industry are focusing on technological advancements to achieve highspeed transmission,cell planning,and latency reduction to facilitate emerging applications such as virtual reality,the metaverse,smart cities,smart health,and autonomous vehicles.NextG continuously improves its network functionality to support these applications.Multiple input multiple output(MIMO)technology offers spectral efficiency,dependability,and overall performance in conjunctionwithNextG.This article proposes a secure channel estimation technique in MIMO topology using a norm-estimation model to provide comprehensive insights into protecting NextG network components against adversarial attacks.The technique aims to create long-lasting and secure NextG networks using this extended approach.The viability of MIMO applications and modern AI-driven methodologies to combat cybersecurity threats are explored in this research.Moreover,the proposed model demonstrates high performance in terms of reliability and accuracy,with a 20%reduction in the MalOut-RealOut-Diff metric compared to existing state-of-the-art techniques.
文摘快速城镇化与极端气候变化的背景下,城市遭受超设防标准灾害性事件冲击的频率不断增加。社区作为城市管理的基本单元,韧性社区研究对提升当前风险治理能力具有重要意义。本文运用CiteSpace文献计量方法,以Web of Science核心合集中1986-2022年1023篇韧性社区研究论文为研究对象,通过文献共被引、关键词共现及突现词等分析,针对韧性社区领域进行了研究回顾与展望。研究发现,当前韧性社区研究已基本形成完整的理论和方法体系,但是在研究理论的支撑性、评价方法的集成性、前沿分支的丰富性等仍待进一步提升,集中体现在:韧性社区研究的主要知识群组包括韧性社区概念起源、韧性社区基础理论框架、韧性社区评价方法、社区灾害风险识别与响应机制;韧性社区研究的主要发展路径包括“韧性社区理论研究”、“韧性理论-韧性社区评价-韧性能力提升”与“韧性社区-社区灾害风险评价-社区灾害响应模型”;韧性社区动态衡量模型成为当前韧性社区研究前沿,未来应聚焦多维视角的理论框架、关键影响因素、动态耦合的评价模型、韧性社区规划范式与全周期的韧性行动方案等开展深化研究。
