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2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)最新文献

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Resource-Aware Service Prioritization in a Slice-Supportive 5G Core Control Plane for Improved Resilience and Sustenance 片支持型 5G 核心控制平面中的资源感知服务优先级,以提高弹性和持续性
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454708
Supriya Kumari, Shwetha Vittal, Antony Franklin A
Providing resilient and sustained service is quite challenging in the Service Based Architecture of distributed 5G Core (5GC) as multiple Network Functions (NFs) are involved to help serve the various User Service Requests (USRs) arriving in the control plane. In this regard, the continuous monitoring of individual NFs in a Closed Loop Automation (CLA) is a need of hour to keep up the robust and resilient functioning of the 5GC overall. Any unforeseen situations like the sudden failure, overload, or congestion of the NFs of the 5GC can drop the critical USRs unnecessarily. This paper proposes the proactive monitoring of the NFs of the 5GC in the control plane and utilizes it to intelligently schedule and serve the frequently arriving USRs and prioritize the critical slice service requests. Specifically, the Ford-Fulkerson algorithm popularly known as the Max-Flow problem solver is leveraged to proactively assess the NFs' performance and availability and use it effectively to serve critical service requests arriving during unexpected situations of failure and overloads. Our experiments based on the 3GPP-compliant 5G testbed show that, with the proposed solution, the native 5GC can serve 20% more predominant USRs, and the slice-supportive 5GC can serve 33% more massive Machine Type Communications (mMTC) slice USRs, and 47% more ultra Reliable Low Latency Communications (uRLLC) slice USRs while handling their respective peak traffic.
在分布式 5G 核心网(5GC)的基于服务的架构中,提供弹性和持续的服务具有相当大的挑战性,因为需要多个网络功能(NF)来帮助满足控制平面到达的各种用户服务请求(USR)。在这方面,需要在闭环自动化(CLA)中对单个 NF 进行持续监控,以保持 5GC 整体的稳健和弹性运行。任何不可预见的情况,如 5GC NF 的突然故障、过载或拥塞,都可能导致关键 USR 不必要地掉线。本文提出在控制平面主动监控 5GC 的 NF,并利用它来智能调度和服务频繁到达的 USR,并优先处理关键切片服务请求。具体来说,我们利用俗称 Max-Flow 问题求解器的 Ford-Fulkerson 算法来主动评估 NF 的性能和可用性,并有效地利用它来服务在意外故障和过载情况下到达的关键服务请求。我们在符合 3GPP 标准的 5G 测试平台上进行的实验表明,采用所提出的解决方案后,原生 5GC 可多为 20% 的主要 USR 提供服务,而支持切片的 5GC 可多为 33% 的大规模机器类型通信(mMTC)切片 USR 和 47% 的超可靠低延迟通信(uRLLC)切片 USR 提供服务,同时处理各自的峰值流量。
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引用次数: 0
Proposal of Differential Privacy Anonymization for IoT Applications Using MQTT Broker 利用 MQTT 代理为物联网应用提供差异化隐私匿名化建议
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454877
Kentaro Morise, Tokimasa Toyohara, Hiroaki Nishi
IoT applications require secure communication methods that protect personal information contained in communication data. This study focuses on MQTT, a low-cost protocol used for IoT communication, and proposes a mechanism to anonymize communication data between IoT and clients. MQTT is a publish-subscribe model of communication where a broker handles many-to-many communications among clients. Due to the concentration of communications on the broker, it is efficient to anonymize data there. Therefore, the proposed mechanism performs differential privacy anonymization of communication data on the MQTT broker. We also propose a mechanism to anonymize data according to anonymization criteria required by senders and receivers using topic names and user properties, which are features of MQTT. We implemented the proposed mechanism in an FPGA-based MQTT broker and confirmed that it achieves the same throughput and low latency as regular MQTT communication and satisfies IoT applications such as power control and automated driving that require sub-millisecond latency.
物联网应用需要安全的通信方法来保护通信数据中包含的个人信息。本研究以用于物联网通信的低成本协议 MQTT 为重点,提出了一种对物联网与客户端之间的通信数据进行匿名处理的机制。MQTT 是一种发布-订阅通信模式,由代理处理客户端之间的多对多通信。由于通信集中在代理上,因此在代理上对数据进行匿名处理是有效的。因此,我们提出的机制在 MQTT 代理上对通信数据进行差异化隐私匿名处理。我们还提出了一种机制,可根据发送方和接收方使用主题名称和用户属性(MQTT 的特征)所需的匿名标准对数据进行匿名。我们在基于 FPGA 的 MQTT 代理中实现了所提出的机制,并证实它实现了与普通 MQTT 通信相同的吞吐量和低延迟,满足了电源控制和自动驾驶等要求亚毫秒级延迟的物联网应用。
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引用次数: 0
Word Embedding with Emotionally Relevant Keyword Search for Context Detection from Smart Home Voice Commands 通过情感相关关键词搜索进行单词嵌入,从智能家居语音指令中进行情境检测
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454678
Brent Anderson, Razib Iqbal
Voice-enabled virtual assistants have received widespread popularity in smart homes. Adding a context detection feature in voice conversations with virtual assistants can offer a more personalized experience in smart homes such that it maintains awareness of the ongoing conversation and responds appropriately. In this paper, we present a novel word embedding with emotionally relevant keyword search (WERKS) approach for context detection. This WERKS approach makes use of a combination of emotion detection, keyword search, and word embedding for context detection from voice commands and short conversations with virtual assistants. The TPOT classifier was applied over RAVDESS and a custom data set to obtain experimental results, which demonstrated a 15 and 12 percent increase in prediction accuracy of our defined contexts.
语音虚拟助手在智能家居中受到广泛欢迎。在与虚拟助手的语音对话中添加情境检测功能,可以为智能家居提供更加个性化的体验,使其保持对正在进行的对话的感知,并做出适当的回应。在本文中,我们提出了一种新颖的单词嵌入与情感相关关键词搜索(WERKS)方法来进行语境检测。这种 WERKS 方法将情感检测、关键词搜索和词嵌入相结合,用于从语音命令和与虚拟助手的简短对话中进行上下文检测。在 RAVDESS 和自定义数据集上应用 TPOT 分类器获得的实验结果表明,我们定义的上下文预测准确率分别提高了 15% 和 12%。
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引用次数: 0
Deep Reinforcement Learning for Channel State Information Prediction in Internet of Vehicles 用于车联网通道状态信息预测的深度强化学习
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454739
Xing-fa Liu, Wei Yu, Cheng Qian, David W. Griffith, N. Golmie
In this paper, we address the issue of Channel State Information (CSI) prediction of the Internet of Vehicles (loV) system, which is a highly dynamic network environment. We propose a deep reinforcement learning-based approach to predict CSI with historical data and video footage captured by smart cameras. Specifically, we use a Conventional Neural Network (CNN) to extract unique environmental characteristics, which will be sent to a Recurrent Neural Network (RNN)-based learning model so that the future CSI can be predicted. Our approach also considers the heterogeneous nature of IoV communication environments by adopting transfer learning to reduce the training cost when applying our approach to different IoV scenarios. We assess the efficacy of our proposed approach using our designed IoV simulation platform. The experimental results confirm that our approach can accurately predict CSI by using historically generated data.
在本文中,我们探讨了车联网(loV)系统的信道状态信息(CSI)预测问题,这是一个高度动态的网络环境。我们提出了一种基于深度强化学习的方法,利用历史数据和智能摄像头捕获的视频片段预测 CSI。具体来说,我们使用传统神经网络(CNN)来提取独特的环境特征,并将其发送给基于循环神经网络(RNN)的学习模型,从而预测未来的 CSI。我们的方法还考虑到了物联网通信环境的异质性,在将我们的方法应用于不同物联网场景时,采用迁移学习来降低训练成本。我们利用设计的物联网仿真平台评估了所提方法的功效。实验结果证实,我们的方法可以利用历史生成的数据准确预测 CSI。
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引用次数: 0
Accelerating Feedback Control for QoE Fairness in Adaptive Video Streaming Over ICN 加速反馈控制,实现 ICN 上自适应视频流的 QoE 公平性
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454865
Rei Nakagawa, S. Ohzahata, Ryo Yamamoto
Today, information centric networking enables adaptive video streaming clients to further improve QoE by applying flexible content-based control. However, an adaptive bitrate algorithm makes a client occupy the bottleneck link at excessively high bitrate, reducing the QoE fairness to other clients sharing the bottleneck link. Then, we propose fairAccel, a method of accelerating bitrate-based feedback control for achieving QoE fairness. fairAccel assigns more bandwidth to clients selecting the lower bitrate while suppressing content requests from clients selecting the highest bitrate on the bottleneck link. In addition, to further improve QoE fairness, fairAccel exploits the symmetric routing of ICN content request / response and applies bidirectional feedback control to the content request / response path. Thus, fairAccel accelerates feedback control by mitigating router queues under control of suppressing content requests before excessive traffic is delivered to the response path. Through simulation experiments, fairAccel improves the average bitrate and further improves QoE fairness for representative ABR algorithms.
如今,以信息为中心的网络使自适应视频流客户端能够通过应用灵活的基于内容的控制来进一步改善 QoE。然而,自适应比特率算法会使客户端以过高的比特率占用瓶颈链路,从而降低共享瓶颈链路的其他客户端的 QoE 公平性。因此,我们提出了一种基于比特率的加速反馈控制方法--公平比特率(fairAccel),以实现 QoE 公平性。公平比特率会为选择较低比特率的客户端分配更多带宽,同时抑制在瓶颈链路上选择最高比特率的客户端的内容请求。此外,为了进一步提高 QoE 公平性,fairAccel 还利用了 ICN 内容请求/响应的对称路由,并对内容请求/响应路径进行双向反馈控制。这样,fairAccel 就能在过多流量被传送到响应路径之前,通过抑制内容请求来控制路由器队列,从而加速反馈控制。通过模拟实验,fairAccel 提高了平均比特率,并进一步改善了代表性 ABR 算法的 QoE 公平性。
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引用次数: 0
Antenna Design for Robust Millimeter Wave LoS-MIMO Link in Mobile Analog Repeater Achieving Low Latency and High Capacity 实现低延迟和高容量的移动模拟中继器中稳健毫米波 LoS-MIMO 链路的天线设计
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454777
Masahiro Takigawa, Ryochi Kataoka, I. Kanno, Yoji Kishi
This paper proposes an antenna design suitable for a mobile analog repeater with frequency-to-spatial multiplexing do-main conversion (FSMDC) among access and backhaul link. The relaying scheme with FSMDC, which we had proposed, converts wider band frequency multiplexing in access link into spatial multiplexing for the backhaul link only with analog circuits, and it achieves low latency and high capacity in millimeter wave spectrum. However, the typical scenario where the millimeter wave repeater is operated is LoS environment, and spatial multiplexing (i.e. LoS-MIMO) gain is not secured due to its dependency to the communication distance. For the robustness, the proposed antenna design is optimized by applying cost functions, that can achieve better channel capacity of FSMDC at any communication distance, as the fitness in genetic algorithm. The simulation results show its robustness to the communication distance of the LoS MIMO Links.
本文提出了一种适用于移动模拟直放站的天线设计,该直放站在接入链路和回程链路之间采用频率-空间多路复用主转换(FSMDC)技术。我们提出的带 FSMDC 的中继方案仅使用模拟电路将接入链路中的宽带频率复用转换为回程链路的空间复用,在毫米波频谱中实现了低延迟和高容量。然而,毫米波中继器运行的典型场景是 LoS 环境,由于空间多路复用(即 LoS-MIMO)增益与通信距离有关,因此无法保证其增益。为了提高鲁棒性,我们采用成本函数优化了拟议的天线设计,该函数在任何通信距离下都能实现更好的 FSMDC 信道容量,并将其作为遗传算法中的适应度。仿真结果表明,它对 LoS MIMO 链路的通信距离具有鲁棒性。
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引用次数: 0
Predicting Downlink Retransmissions in 5G Networks Using Deep Learning 利用深度学习预测 5G 网络中的下行链路重传
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454769
S. Bouk, Babatunji Omoniwa, Sachin Shetty
5G networks are expected to provide high-speed, low-latency, and reliable connectivity to support various applications such as autonomous vehicles, smart cities, and the Internet of Things (IoT). However, the performance of 5G networks can be affected by several factors such as interference, congestion, signal attenuation, or attacks, which can lead to packet loss and retransmissions. Retransmissions in the network may be seen as an essential measure to improve network reliability, but a high retransmission rate may indicate issues that can help network operators mitigate possible service disruptions or threats to network users. A deep learning-based approach has been proposed to predict downlink retransmissions in 5G networks, achieving as much as 5%- 15% improvement over traditional prediction algorithms.
5G 网络有望提供高速、低延迟和可靠的连接,以支持自动驾驶汽车、智慧城市和物联网 (IoT) 等各种应用。然而,5G 网络的性能可能会受到干扰、拥塞、信号衰减或攻击等多种因素的影响,从而导致数据包丢失和重传。网络中的重传可能被视为提高网络可靠性的基本措施,但高重传率可能表明存在问题,可帮助网络运营商减轻可能出现的服务中断或对网络用户的威胁。有人提出了一种基于深度学习的方法来预测 5G 网络中的下行链路重传,与传统预测算法相比,该方法可实现 5%-15%的改进。
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引用次数: 0
Experimental Evaluation Toward Mobility-Driven Model Integration Between Edges 边缘间移动驱动模型集成的实验评估
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454772
Shota Ono, Taku Yamazaki, Takumi Miyoshi, Akihito Taya, Yuuki Nishiyama, K. Sezaki
We propose a user mobility-driven federated learning method, which integrates learning models from different regions, leveraging user mobility. This method aims to improve performance of learning models in specific regions by merging them with models from other areas. In regions with less user mobility, our method creates unique regional models, while in areas with high mobility, it integrates models for enhanced performance. Evaluation results indicate that accuracy improved with additional training, although it temporarily decreased after model integration.
我们提出了一种用户移动驱动的联合学习方法,它利用用户的移动性整合了来自不同地区的学习模型。这种方法旨在通过将特定地区的学习模型与其他地区的模型合并,提高学习模型的性能。在用户流动性较低的地区,我们的方法创建了独特的地区模型,而在用户流动性较高的地区,我们的方法整合了各种模型以提高性能。评估结果表明,虽然模型整合后准确率会暂时下降,但随着额外训练的进行,准确率会有所提高。
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引用次数: 0
Frequency Resource Allocation for IRS-Aided Communication Using Beam Squint Approach 利用波束斜视法为 IRS 辅助通信分配频率资源
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454876
Ei Tanaka, Y. Kawamoto, Nei Kato, Masashi Iwabuchi, Riku Ohmiya, T. Murakami
Intelligent reflecting surface (IRS) is a device that can reflect radio waves in any direction by setting the phase shift of the reflecting elements. It is expected to solve the problems of high-frequency band communications, such as vulnerability to obstacles, and to realize super-multiplex connections in the high-frequency band. Since the reflective elements of IRS can only be time-division controlled and can basically support only one user per time slot, it is highly likely that a large number of resource blocks will be allocated to a single user to perform communications. However, in such a case, the frequency efficiency is reduced due to the effect of beam squint. In this paper, we show the effectiveness of a method to increase frequency efficiency by optimizing the reflection direction through resource allocation and IRS phase control.
智能反射面(IRS)是一种通过设置反射元件的相移,可以向任何方向反射无线电波的装置。它有望解决高频段通信易受障碍物影响等问题,并实现高频段的超复用连接。由于 IRS 的反射元件只能进行时分控制,每个时隙基本上只能支持一个用户,因此极有可能为单个用户分配大量的资源块来进行通信。然而,在这种情况下,由于波束斜视的影响,频率效率会降低。在本文中,我们展示了一种通过资源分配和 IRS 相位控制优化反射方向来提高频率效率的方法的有效性。
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引用次数: 0
Blockchain-Based Device Identity Management and Authentication in Cyber-Physical Systems 网络物理系统中基于区块链的设备身份管理与认证
Pub Date : 2024-01-06 DOI: 10.1109/CCNC51664.2024.10454888
Uttam Ghosh, Debashis Das, Sourav Banerjee, S. Mohanty
The proliferation of interconnected devices in the era of the Internet of Things (IoT) has given rise to the need for robust device identity management and authentication mechanisms in cyber-physical systems (CPSs). Traditional centralized approaches to identity management face challenges of security, scalability, and privacy. Therefore, the paper provides an innovative approach by fusing Self-Sovereign Identity (SSI) with blockchain technology to revolutionize device identity management within CPS environments. In this paper, devices autonomously initiate their identity-creation processes. Each device generates a cryptographic key pair comprising a public key for openly identifying the device and a closely guarded private key used for authentication and decryption purposes. The research also introduces an innovative authentication algorithm within CPS environments that employs secure tokens to validate the authenticity of devices. The proposed framework reduces the risk of unauthorized access and data breaches while empowering devices with control over their identities. Overall, the proposed approach not only enhances security, privacy, and resilience within CPSs but also provides a transformative solution for identity management in dynamic and autonomous device environments.
在物联网(IoT)时代,互联设备的激增催生了在网络物理系统(CPS)中建立强大的设备身份管理和认证机制的需求。传统的集中式身份管理方法面临着安全性、可扩展性和隐私性的挑战。因此,本文提供了一种创新方法,将自主身份(SSI)与区块链技术相结合,彻底改变 CPS 环境中的设备身份管理。在本文中,设备自主启动身份创建流程。每个设备生成一个加密密钥对,其中包括一个用于公开识别设备的公钥和一个用于身份验证和解密的保密私钥。研究还在 CPS 环境中引入了一种创新的认证算法,该算法采用安全令牌来验证设备的真实性。建议的框架降低了未经授权访问和数据泄露的风险,同时赋予设备对其身份的控制权。总之,所提出的方法不仅增强了 CPS 的安全性、隐私性和复原力,还为动态和自主设备环境中的身份管理提供了变革性的解决方案。
{"title":"Blockchain-Based Device Identity Management and Authentication in Cyber-Physical Systems","authors":"Uttam Ghosh, Debashis Das, Sourav Banerjee, S. Mohanty","doi":"10.1109/CCNC51664.2024.10454888","DOIUrl":"https://doi.org/10.1109/CCNC51664.2024.10454888","url":null,"abstract":"The proliferation of interconnected devices in the era of the Internet of Things (IoT) has given rise to the need for robust device identity management and authentication mechanisms in cyber-physical systems (CPSs). Traditional centralized approaches to identity management face challenges of security, scalability, and privacy. Therefore, the paper provides an innovative approach by fusing Self-Sovereign Identity (SSI) with blockchain technology to revolutionize device identity management within CPS environments. In this paper, devices autonomously initiate their identity-creation processes. Each device generates a cryptographic key pair comprising a public key for openly identifying the device and a closely guarded private key used for authentication and decryption purposes. The research also introduces an innovative authentication algorithm within CPS environments that employs secure tokens to validate the authenticity of devices. The proposed framework reduces the risk of unauthorized access and data breaches while empowering devices with control over their identities. Overall, the proposed approach not only enhances security, privacy, and resilience within CPSs but also provides a transformative solution for identity management in dynamic and autonomous device environments.","PeriodicalId":518411,"journal":{"name":"2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)","volume":"69 5","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2024-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)
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