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Testing Stimulus Equivalence in Transformer-Based Agents 测试基于变压器的代理中的刺激等效性
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-08-09 DOI: 10.3390/fi16080289
Alexis Carrillo, Moisés Betancort
This study investigates the ability of transformer-based models (TBMs) to form stimulus equivalence (SE) classes. We employ BERT and GPT as TBM agents in SE tasks, evaluating their performance across training structures (linear series, one-to-many and many-to-one) and relation types (select–reject, select-only). Our findings demonstrate that both models performed above mastery criterion in the baseline phase across all simulations (n = 12). However, they exhibit limited success in reflexivity, transitivity, and symmetry tests. Notably, both models achieved success only in the linear series structure with select–reject relations, failing in one-to-many and many-to-one structures, and all select-only conditions. These results suggest that TBM may be forming decision rules based on learned discriminations and reject relations, rather than responding according to equivalence class formation. The absence of reject relations appears to influence their responses and the occurrence of hallucinations. This research highlights the potential of SE simulations for: (a) comparative analysis of learning mechanisms, (b) explainability techniques for TBM decision-making, and (c) TBM bench-marking independent of pre-training or fine-tuning. Future investigations can explore upscaling simulations and utilize SE tasks within a reinforcement learning framework.
本研究探讨了基于变换器的模型(TBM)形成刺激等价类(SE)的能力。我们使用 BERT 和 GPT 作为 TBM 代理执行 SE 任务,评估它们在不同训练结构(线性序列、一对多和多对一)和关系类型(选择-拒绝、只选择)下的表现。我们的研究结果表明,在所有模拟(n = 12)中,这两种模型在基线阶段的表现都超过了掌握标准。然而,它们在反身性、反转性和对称性测试中表现出有限的成功。值得注意的是,这两个模型都只在具有选择-拒绝关系的线性序列结构中取得了成功,而在一对多和多对一结构以及所有仅有选择的条件下都失败了。这些结果表明,TBM 可能是根据学习到的判别和拒绝关系形成决策规则,而不是根据等价类的形成做出反应。拒绝关系的缺失似乎会影响他们的反应和幻觉的发生。这项研究凸显了 SE 模拟在以下方面的潜力(a) 学习机制的比较分析,(b) TBM 决策的可解释性技术,(c) 独立于预培训或微调的 TBM 标杆。未来的研究可以探索扩大模拟规模,并在强化学习框架内利用 SE 任务。
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引用次数: 0
Cross-Domain Fake News Detection Using a Prompt-Based Approach 使用基于提示的方法进行跨域假新闻检测
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-08-08 DOI: 10.3390/fi16080286
Jawaher Alghamdi, Yuqing Lin, Suhuai Luo
The proliferation of fake news poses a significant challenge in today’s information landscape, spanning diverse domains and topics and undermining traditional detection methods confined to specific domains. In response, there is a growing interest in strategies for detecting cross-domain misinformation. However, traditional machine learning (ML) approaches often struggle with the nuanced contextual understanding required for accurate news classification. To address these challenges, we propose a novel contextualized cross-domain prompt-based zero-shot approach utilizing a pre-trained Generative Pre-trained Transformer (GPT) model for fake news detection (FND). In contrast to conventional fine-tuning methods reliant on extensive labeled datasets, our approach places particular emphasis on refining prompt integration and classification logic within the model’s framework. This refinement enhances the model’s ability to accurately classify fake news across diverse domains. Additionally, the adaptability of our approach allows for customization across diverse tasks by modifying prompt placeholders. Our research significantly advances zero-shot learning by demonstrating the efficacy of prompt-based methodologies in text classification, particularly in scenarios with limited training data. Through extensive experimentation, we illustrate that our method effectively captures domain-specific features and generalizes well to other domains, surpassing existing models in terms of performance. These findings contribute significantly to the ongoing efforts to combat fake news dissemination, particularly in environments with severely limited training data, such as online platforms.
假新闻的泛滥给当今的信息环境带来了巨大挑战,它跨越不同领域和主题,破坏了局限于特定领域的传统检测方法。为此,人们对跨领域错误信息的检测策略越来越感兴趣。然而,传统的机器学习(ML)方法往往难以准确理解新闻分类所需的细微语境。为了应对这些挑战,我们提出了一种新颖的基于上下文的跨域提示零镜头方法,利用预先训练的生成预训练变换器(GPT)模型进行假新闻检测(FND)。与依赖大量标注数据集的传统微调方法不同,我们的方法特别强调在模型框架内完善提示整合和分类逻辑。这种改进提高了模型在不同领域准确分类假新闻的能力。此外,我们方法的适应性允许通过修改提示占位符在不同任务中进行定制。我们的研究证明了基于提示的方法在文本分类中的有效性,尤其是在训练数据有限的情况下,从而极大地推动了零镜头学习。通过广泛的实验,我们证明了我们的方法能有效捕捉特定领域的特征,并能很好地推广到其他领域,在性能上超越了现有模型。这些发现对目前打击假新闻传播的工作大有裨益,尤其是在网络平台等训练数据非常有限的环境中。
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引用次数: 0
A Survey on Emerging Blockchain Technology Platforms for Securing the Internet of Things 新兴区块链技术平台保障物联网安全调查
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-08-08 DOI: 10.3390/fi16080285
Yunus Kareem, D. Djenouri, Essam Ghadafi
The adoption of blockchain platforms to bolster the security of Internet of Things (IoT) systems has attracted significant attention in recent years. Currently, there is a lack of comprehensive and systematic survey papers in the literature addressing these platforms. This paper discusses six of the most popular emerging blockchain platforms adopted by IoT systems and analyses their usage in state-of-the-art works to solve security problems. The platform was compared in terms of security features and other requirements. Findings from the study reveal that most blockchain components contribute directly or indirectly to IoT security. Blockchain platform components such as cryptography, consensus mechanism, and hashing are common ways that security is achieved in all blockchain platform for IoT. Technologies like Interplanetary File System (IPFS) and Transport Layer Security (TLS) can further enhance data and communication security when used alongside blockchain. To enhance the applicability of blockchain in resource-constrained IoT environments, future research should focus on refining cryptographic algorithms and consensus mechanisms to optimise performance and security.
近年来,采用区块链平台加强物联网(IoT)系统的安全性引起了广泛关注。目前,文献中缺乏针对这些平台的全面系统的调查论文。本文讨论了物联网系统采用的六种最流行的新兴区块链平台,并分析了它们在解决安全问题的最新作品中的使用情况。在安全功能和其他要求方面对平台进行了比较。研究结果表明,大多数区块链组件都直接或间接地促进了物联网安全。加密技术、共识机制和哈希算法等区块链平台组件是所有物联网区块链平台实现安全的常见方式。星际文件系统(IPFS)和传输层安全(TLS)等技术与区块链一起使用时,可进一步增强数据和通信的安全性。为了提高区块链在资源有限的物联网环境中的适用性,未来的研究应侧重于完善加密算法和共识机制,以优化性能和安全性。
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引用次数: 0
Dynamic Fashion Video Synthesis from Static Imagery 从静态图像合成动态时尚视频
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-08-08 DOI: 10.3390/fi16080287
Tasin Islam, A. Miron, Xiaohui Liu, Yongmin Li
Online shopping for clothing has become increasingly popular among many people. However, this trend comes with its own set of challenges. For example, it can be difficult for customers to make informed purchase decisions without trying on the clothes to see how they move and flow. We address this issue by introducing a new image-to-video generator called FashionFlow to generate fashion videos to show how clothing products move and flow on a person. By utilising a latent diffusion model and various other components, we are able to synthesise a high-fidelity video conditioned by a fashion image. The components include the use of pseudo-3D convolution, VAE, CLIP, frame interpolator and attention to generate a smooth video efficiently while preserving vital characteristics from the conditioning image. The contribution of our work is the creation of a model that can synthesise videos from images. We show how we use a pre-trained VAE decoder to process the latent space and generate a video. We demonstrate the effectiveness of our local and global conditioners, which help preserve the maximum amount of detail from the conditioning image. Our model is unique because it produces spontaneous and believable motion using only one image, while other diffusion models are either text-to-video or image-to-video using pre-recorded pose sequences. Overall, our research demonstrates a successful synthesis of fashion videos featuring models posing from various angles, showcasing the movement of the garment. Our findings hold great promise for improving and enhancing the online fashion industry’s shopping experience.
网购服装越来越受到许多人的欢迎。然而,这一趋势也带来了一系列挑战。例如,顾客很难在没有试穿服装的情况下做出明智的购买决定。为了解决这个问题,我们引入了一种名为 "FashionFlow "的全新图像视频生成器,用于生成时尚视频,展示服装产品在人身上的移动和流动情况。通过利用潜在扩散模型和其他各种组件,我们能够合成以时尚图像为条件的高保真视频。这些组件包括使用伪三维卷积、VAE、CLIP、帧插值器和注意力,以高效生成流畅的视频,同时保留调节图像的重要特征。我们工作的贡献在于创建了一个可以从图像合成视频的模型。我们展示了如何使用预先训练好的 VAE 解码器来处理潜空间并生成视频。我们展示了局部和全局调节器的有效性,这有助于最大限度地保留调节图像的细节。我们的模型是独一无二的,因为它只用一幅图像就能生成自发的、可信的动作,而其他扩散模型要么是文本到视频,要么是使用预先录制的姿势序列的图像到视频。总之,我们的研究成功地合成了以模特从不同角度摆姿势为特色的时尚视频,展示了服装的运动。我们的研究成果为改善和提高在线时尚行业的购物体验带来了巨大希望。
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引用次数: 0
Empowering Clinical Engineering and Evidence-Based Maintenance with IoT and Indoor Navigation 利用物联网和室内导航增强临床工程和循证维护能力
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-07-25 DOI: 10.3390/fi16080263
A. Luschi, Giovanni Luca Daino, Gianpaolo Ghisalberti, Vincenzo Mezzatesta, E. Iadanza
The OHIO (Odin Hospital Indoor cOmpass) project received funding from the European Union’s Horizon 2020 research and innovation action program, via ODIN–Open Call, which is issued and executed under the ODIN project and focuses on enhancing hospital safety, productivity, and quality by introducing digital solutions, such as the Internet of Things (IoT), robotics, and artificial intelligence (AI). OHIO aims to enhance the productivity and quality of medical equipment maintenance activities within the pilot hospital, “Le Scotte” in Siena (Italy), by leveraging internal informational resources. OHIO will also be completely integrated with the ODIN platform, taking advantage of the available services and functionalities. OHIO exploits Bluetooth Low Energy (BLE) tags and antennas together with the resources provided by the ODIN platform to develop a complex ontology-based IoT framework, which acts as a central cockpit for the maintenance of medical equipment through a central management web application and an indoor real-time location system (RTLS) for mobile devices. The application programmable interfaces (APIs) are based on REST architecture for seamless data exchange and integration with the hospital’s existing computer-aided facility management (CAFM) and computerized maintenance management system (CMMS) software. The outcomes of the project are assessed both with quantitative and qualitative methods, by evaluating key performance indicators (KPIs) extracted from the literature and performing a preliminary usability test on both the whole system and the graphic user interfaces (GUIs) of the developed applications. The test implementation demonstrates improvements in maintenance timings, including a reduction in maintenance operation delays, duration of maintenance tasks, and equipment downtime. Usability post-test questionnaires show positive feedback regarding the usability and effectiveness of the applications. The OHIO framework enhanced the effectiveness of medical equipment maintenance by integrating existing software with newly designed, enhanced interfaces. The research also indicates possibilities for scaling up the developed methods and applications to additional large-scale pilot hospitals within the ODIN network.
OHIO(Odin Hospital Indoor cOmpass)项目通过ODIN-Open Call获得了欧盟 "地平线2020 "研究与创新行动项目的资助,该项目在ODIN项目下发布和执行,重点是通过引入物联网(IoT)、机器人技术和人工智能(AI)等数字化解决方案,提高医院的安全性、生产率和质量。OHIO 的目标是通过利用内部信息资源,提高试点医院--意大利锡耶纳 "Le Scotte "医院医疗设备维护活动的生产率和质量。OHIO 还将与 ODIN 平台完全集成,充分利用现有的服务和功能。OHIO 利用蓝牙低能耗 (BLE) 标签和天线以及 ODIN 平台提供的资源,开发了一个复杂的基于本体的物联网框架,通过一个中央管理网络应用程序和一个用于移动设备的室内实时定位系统 (RTLS) 充当医疗设备维护的中央驾驶舱。应用可编程接口(API)基于 REST 架构,可与医院现有的计算机辅助设施管理(CAFM)和计算机化维护管理系统(CMMS)软件进行无缝数据交换和集成。通过评估从文献中提取的关键绩效指标(KPI),并对整个系统和所开发应用程序的图形用户界面(GUI)进行初步可用性测试,采用定量和定性方法对项目成果进行评估。测试结果表明,维护时间得到了改善,包括减少了维护操作延迟、维护任务持续时间和设备停机时间。可用性测试后的调查问卷显示了对应用程序可用性和有效性的积极反馈。通过将现有软件与新设计的增强型界面相结合,OHIO 框架提高了医疗设备维护的有效性。研究还表明,有可能将开发的方法和应用程序推广到 ODIN 网络内的其他大型试点医院。
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引用次数: 0
Energy Efficiency and Load Optimization in Heterogeneous Networks through Dynamic Sleep Strategies: A Constraint-Based Optimization Approach 通过动态休眠策略优化异构网络的能效和负载:基于约束的优化方法
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-07-25 DOI: 10.3390/fi16080262
A. Shabbir, Muhammad Faizan Shirazi, Safdar Rizvi, Sadique Ahmad, A. Ateya
This research endeavors to advance energy efficiency (EE) within heterogeneous networks (HetNets) through a comprehensive approach. Initially, we establish a foundational framework by implementing a two-tier network architecture based on Poisson process distribution from stochastic geometry. Through this deployment, we develop a tailored EE model, meticulously analyzing the implications of random base station and user distributions on energy efficiency. We formulate joint base station and user densities that are optimized for EE while adhering to stringent quality-of-service (QoS) requirements. Subsequently, we introduce a novel dynamically distributed opportunistic sleep strategy (D-DOSS) to optimize EE. This strategy strategically clusters base stations throughout the network and dynamically adjusts their sleep patterns based on real-time traffic load thresholds. Employing Monte Carlo simulations with MATLAB, we rigorously evaluate the efficacy of the D-DOSS approach, quantifying improvements in critical QoS parameters, such as coverage probability, energy utilization efficiency (EUE), success probability, and data throughput. In conclusion, our research represents a significant step toward optimizing EE in HetNets, simultaneously addressing network architecture optimization and proposing an innovative sleep management strategy, offering practical solutions to maximize energy efficiency in future wireless networks.
本研究致力于通过综合方法提高异构网络(HetNets)内的能源效率(EE)。首先,我们通过实施基于随机几何泊松过程分布的双层网络架构,建立了一个基础框架。通过这种部署,我们开发了一个量身定制的 EE 模型,细致分析了随机基站和用户分布对能效的影响。我们制定了基站和用户的联合密度,在满足严格的服务质量(QoS)要求的同时,对 EE 进行了优化。随后,我们引入了一种新颖的动态分布式机会睡眠策略(D-DOSS)来优化 EE。该策略在整个网络中战略性地集群基站,并根据实时流量负载阈值动态调整其睡眠模式。通过使用 MATLAB 进行蒙特卡罗模拟,我们严格评估了 D-DOSS 方法的功效,量化了关键 QoS 参数(如覆盖概率、能量利用效率 (EUE)、成功概率和数据吞吐量)的改善情况。总之,我们的研究向优化 HetNets 中的 EE 迈出了重要一步,同时解决了网络架构优化问题,并提出了一种创新的睡眠管理策略,为未来无线网络的能源效率最大化提供了实用的解决方案。
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引用次数: 0
A Novel Deep Learning Framework for Intrusion Detection Systems in Wireless Network 用于无线网络入侵检测系统的新型深度学习框架
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-07-25 DOI: 10.3390/fi16080264
Khoa Dinh Nguyen Dang, P. Fazio, Miroslav Voznák
In modern network security setups, Intrusion Detection Systems (IDS) are crucial elements that play a key role in protecting against unauthorized access, malicious actions, and policy breaches. Despite significant progress in IDS technology, two of the most major obstacles remain: how to avoid false alarms due to imbalanced data and accurately forecast the precise type of attacks before they even happen to minimize the damage caused. To deal with two problems in the most optimized way possible, we propose a two-task regression and classification strategy called Hybrid Regression–Classification (HRC), a deep learning-based strategy for developing an intrusion detection system (IDS) that can minimize the false alarm rate and detect and predict potential cyber-attacks before they occur to help the current wireless network in dealing with the attacks more efficiently and precisely. The experimental results show that our HRC strategy accurately predicts the incoming behavior of the IP data traffic in two different datasets. This can help the IDS to detect potential attacks sooner with high accuracy so that they can have enough reaction time to deal with the attack. Furthermore, our proposed strategy can also deal with imbalanced data. Even when the imbalance is large between categories. This will help significantly reduce the false alarm rate of IDS in practice. These strengths combined will benefit the IDS by making it more active in defense and help deal with the intrusion detection problem more effectively.
在现代网络安全设置中,入侵检测系统(IDS)是至关重要的元素,在防止未经授权的访问、恶意行为和策略违规方面发挥着关键作用。尽管入侵检测系统技术取得了长足进步,但仍存在两个最主要的障碍:如何避免因数据不平衡而造成的误报,以及如何在攻击发生前准确预测攻击类型,从而将造成的损失降到最低。为了以最优化的方式解决这两个问题,我们提出了一种名为 "混合回归分类(HRC)"的双任务回归和分类策略,这是一种基于深度学习的入侵检测系统(IDS)开发策略,可以最大限度地降低误报率,并在潜在的网络攻击发生前对其进行检测和预测,从而帮助当前的无线网络更高效、更精确地应对攻击。实验结果表明,我们的 HRC 策略能准确预测两个不同数据集中 IP 数据流量的传入行为。这可以帮助 IDS 更快、更准确地检测到潜在攻击,从而有足够的反应时间来应对攻击。此外,我们提出的策略还能处理不平衡数据。即使类别之间的不平衡程度很大。这将有助于大大降低 IDS 在实际应用中的误报率。这些优势结合在一起,将使 IDS 在防御中更加积极主动,有助于更有效地处理入侵检测问题。
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引用次数: 0
Performance Evaluation of Lightweight Stream Ciphers for Real-Time Video Feed Encryption on ARM Processor ARM 处理器上用于实时视频馈送加密的轻量级流密码性能评估
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-07-25 DOI: 10.3390/fi16080261
Mohsin Khan, Håvard J Dagenborg, D. Johansen
In resource-intensive Internet of Things applications, Lightweight Stream Ciphers (LWSCs) play a vital role in influencing both the security and performance of the system. Numerous LWSCs have been proposed, each offering certain properties and trade-offs that carefully balance security and performance requirements. This paper presents a comprehensive evaluation of prominent LWSCs, with a focus on their performance and resource consumption, providing insights into efficiency, efficacy, and suitability in the real-world application of resource-intensive live video feed encryption on an ARM processor. The study involves the development of a benchmarking tool designed to evaluate key metrics, including encryption frame rate, throughput, processing cycles, memory footprint, ROM utilization, and energy consumption. In addition, we apply the E−Rank metric, which combines key performance and resource metrics to derive a unified comparative measure for overall software performance.
在资源密集型物联网应用中,轻量级流密码(LWSC)在影响系统的安全性和性能方面发挥着至关重要的作用。目前已提出了许多 LWSC,每种 LWSC 都具有一定的特性,并能在安全性和性能要求之间进行权衡。本文全面评估了著名的 LWSC,重点关注其性能和资源消耗,深入探讨了 ARM 处理器上资源密集型实时视频馈送加密实际应用的效率、功效和适用性。这项研究包括开发一个基准测试工具,用于评估关键指标,包括加密帧率、吞吐量、处理周期、内存占用、ROM 利用率和能耗。此外,我们还应用了 E-Rank 指标,该指标将关键性能指标和资源指标结合在一起,为软件的整体性能提供了一个统一的比较衡量标准。
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引用次数: 0
Power-Efficient Resource Allocation for Active STAR-RIS-Aided SWIPT Communication Systems 主动式 STAR-RIS 辅助 SWIPT 通信系统的高能效资源分配
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-07-25 DOI: 10.3390/fi16080266
Chuanzhe Gao, Shidang Li, Yixuan Wu, Siyi Duan, Mingsheng Wei, Bencheng Yu
Simultaneous wireless information and power transfer (SWIPT) has emerged as a pivotal technology in 6G, offering an efficient means of delivering energy to a large quantity of low-power devices while transmitting data concurrently. To address the challenges of obstructions, high path loss, and significant energy consumption associated with long-distance communication, this work introduces a novel alternating iterative optimization strategy. The proposed approach combines active simultaneous transmission and reflection of reconfigurable intelligent surfaces (STAR-RIS) with SWIPT to maximize spectrum efficiency and reduce overall system energy consumption. This method addresses the considerable energy demands inherent in SWIPT systems by focusing on reducing the power output from the base station (BS) while meeting key constraints: the communication rate for information receivers (IRs) and minimum energy levels for energy receivers (ERs). Given complex interactions between variables, the solution involves an alternating iterative optimization process. In the first stage of this approach, the passive beamforming variables are kept constant, enabling the use of semi-definite relaxation (SDR) and successive convex approximation (SCA) algorithms to optimize active beamforming variables. In the next stage, with active beamforming variables fixed, penalty-based algorithms are applied to fine-tune the passive beamforming variables. This iterative process continues, alternating between active and passive beamforming optimization, until the system converges on a stable solution. The simulation results indicated that the proposed system configuration, which leverages active STAR-RIS, achieves lower energy consumption and demonstrates improved performance compared to configurations utilizing passive RIS, active RIS, and passive STAR-RIS. This evidence suggests that the proposed approach can significantly contribute to advancing energy efficiency in 6G systems.
同步无线信息和功率传输(SWIPT)已成为 6G 的一项关键技术,它提供了一种在同时传输数据的同时向大量低功耗设备提供能量的有效方法。为了应对与长距离通信相关的障碍物、高路径损耗和大量能耗等挑战,本研究提出了一种新颖的交替迭代优化策略。所提出的方法将可重构智能表面的主动同步传输和反射(STAR-RIS)与 SWIPT 结合起来,以最大限度地提高频谱效率并降低整个系统的能耗。该方法通过降低基站(BS)的功率输出,同时满足信息接收器(IR)的通信速率和能量接收器(ER)的最低能量水平等关键约束条件,解决了 SWIPT 系统固有的大量能源需求问题。考虑到变量之间复杂的相互作用,解决方案涉及一个交替迭代的优化过程。在该方法的第一阶段,被动波束成形变量保持不变,从而可以使用半无限松弛(SDR)和连续凸近似(SCA)算法来优化主动波束成形变量。下一阶段,在主动波束成形变量固定不变的情况下,采用基于惩罚的算法对被动波束成形变量进行微调。这一迭代过程持续进行,主动波束成形优化和被动波束成形优化交替进行,直到系统收敛于一个稳定的解决方案。仿真结果表明,与利用被动 RIS、主动 RIS 和被动 STAR-RIS 的配置相比,利用主动 STAR-RIS 的拟议系统配置能耗更低,性能更好。这些证据表明,所提出的方法可以大大提高 6G 系统的能效。
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引用次数: 0
Active Queue Management in L4S with Asynchronous Advantage Actor-Critic: A FreeBSD Networking Stack Perspective L4S 中的主动队列管理与异步优势行为批判者:FreeBSD 网络协议栈视角
IF 2.8 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-07-25 DOI: 10.3390/fi16080265
Deol Satish, Jonathan Kua, Shiva Raj Pokhrel
Bufferbloat is one of the leading causes of high data transmission latency and jitter on the Internet, which severely impacts the performance of low-latency interactive applications such as online streaming, cloud-based gaming/applications, Internet of Things (IoT) applications, voice over IP (VoIP), real-time video conferencing, and so forth. There is currently a pressing need for developing Transmission Control Protocol (TCP) congestion control algorithms and bottleneck queue management schemes that can collaboratively control/reduce end-to-end latency, thus ensuring optimal quality of service (QoS) and quality of experience (QoE) for users. This paper introduces a novel solution by experimentally integrate the low latency, low loss, and scalable throughput (L4S) architecture (specified by the IETF in RFC 9330) in FreeBSD framework with the asynchronous advantage actor-critic (A3C) reinforcement learning algorithm. The first phase involves incorporating a modified dual-queue coupled active queue management (AQM) system for L4S into the FreeBSD networking stack, enhancing queue management and mitigating latency and packet loss. The second phase employs A3C to adjust and fine-tune the system performance dynamically. Finally, we evaluate the proposed solution’s effectiveness through comprehensive experiments, comparing it with traditional AQM-based systems. This paper contributes to the advancement of machine learning (ML) for transport protocol research in the field. The experimental implementation and results presented in this paper are made available through our GitHub repositories.
缓冲浮动是造成互联网数据传输延迟和抖动的主要原因之一,严重影响了在线流媒体、云游戏/应用、物联网(IoT)应用、IP 语音(VoIP)、实时视频会议等低延迟交互式应用的性能。目前迫切需要开发传输控制协议(TCP)拥塞控制算法和瓶颈队列管理方案,以协同控制/减少端到端延迟,从而确保为用户提供最佳服务质量(QoS)和体验质量(QoE)。本文通过实验将 FreeBSD 框架中的低延迟、低损耗和可扩展吞吐量(L4S)架构(由 IETF 在 RFC 9330 中指定)与异步优势行动者批判(A3C)强化学习算法相结合,介绍了一种新颖的解决方案。第一阶段是在 FreeBSD 网络协议栈中加入经过修改的 L4S 双队列耦合主动队列管理(AQM)系统,加强队列管理,减少延迟和数据包丢失。第二阶段采用 A3C 对系统性能进行动态调整和微调。最后,我们通过综合实验评估了建议解决方案的有效性,并将其与传统的基于 AQM 的系统进行了比较。本文有助于推动机器学习(ML)在传输协议研究领域的应用。本文中介绍的实验实现和结果可通过我们的 GitHub 存储库获取。
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引用次数: 0
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