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2022 IEEE Future Networks World Forum (FNWF)最新文献

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Performance of a Neural Network Receiver under Mismatch of Channel Training Samples 信道训练样本不匹配情况下神经网络接收机的性能研究
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00099
Pedro H. C. de Souza, L. Mendes, R. Souza
Data-driven frameworks for wireless communications systems are currently attracting a lot of attention from researchers and practitioners alike. These frameworks based on machine learning (ML) algorithms and neural networks (NN s) architectures, are capable of solving a broad variety of tasks in the wireless communications domain as, for exam-ple, signal detection, channel estimation, channel coding and modulation classification. Moreover, these tasks are solved at a reduced computational cost in comparison to classic model-driven frameworks such as the maximum likelihood for signal detection, for instance. However, data-driven frameworks depend heavily on the dataset available, so that ML algorithms and NNs could be able to actually learn from data and optimize their parameters to solve such tasks at hand. This contrasts to the model-driven frameworks that inherently impart specialized domain knowledge and thus do not require to learn from data. Therefore, a mismatch between the dataset used for training and the actual data may severely degrade the performance of ML algorithms and NN s, especially in practical scenarios where the data statistics and distribution are unknown. In this work we analyze a recently proposed NN for detecting compressed signals, under practical scenarios of dataset samples mismatch, where channel delay profile and statistics mismatches are considered. Numerical results generated by computer simulations show that the NN is robust to statistics mismatches, whereas a significant degradation in performance is observed for channel delay profile mismatches.
无线通信系统的数据驱动框架目前引起了研究人员和从业人员的广泛关注。这些框架基于机器学习(ML)算法和神经网络(NN)架构,能够解决无线通信领域的各种任务,例如信号检测、信道估计、信道编码和调制分类。此外,与经典的模型驱动框架(例如信号检测的最大似然)相比,这些任务的计算成本更低。然而,数据驱动的框架在很大程度上依赖于可用的数据集,因此ML算法和神经网络可以真正从数据中学习并优化其参数来解决手头的此类任务。这与模型驱动的框架形成对比,模型驱动的框架本质上传授专门的领域知识,因此不需要从数据中学习。因此,用于训练的数据集与实际数据之间的不匹配可能会严重降低ML算法和NN的性能,特别是在数据统计和分布未知的实际场景中。在这项工作中,我们分析了最近提出的一种用于检测压缩信号的神经网络,该神经网络在数据集样本不匹配的实际场景下,考虑了信道延迟分布和统计不匹配。计算机仿真结果表明,该神经网络对统计不匹配具有较强的鲁棒性,但对信道时延分布不匹配有明显的性能下降。
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引用次数: 0
Influences of logical link design in 5G campus systems 5G校园系统中逻辑链路设计的影响
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00072
G. Cainelli, L. Underberg, L. Rauchhaupt
5G technology is gaining further momentum to be applied in industrial automation use cases. This entails the necessity of accurate performance testing of 5G system capabilities to build trust in a communication network before and during its deployment in an industrial application. In this paper, a performance analysis of a commercially available Rel. 15 5G system composed of a 5G standalone network and industrial 5G devices was carried out. A sophisticated approach to conduct performance testing of communication networks from an industrial application's perspective is presented. The performance tests are conducted in an industrial test hall with real-world propagation conditions. Results of selected test cases in two different testing setups are presented. The performance testing results reveal a significant interdependence of timing behavior of uplink and downlink traffic, when both are running on the same device or on two separate devices. Based on the findings, conclusions are drawn, which are especially of interest to the end users.
5G技术在工业自动化用例中的应用势头正在进一步增强。这就需要对5G系统功能进行准确的性能测试,以在其部署到工业应用之前和期间建立对通信网络的信任。本文对由5G独立网络和工业5G设备组成的商用Rel. 15 5G系统进行了性能分析。从工业应用的角度提出了一种复杂的方法来进行通信网络的性能测试。性能测试在具有真实传播条件的工业测试大厅中进行。给出了在两种不同的测试设置中所选择的测试用例的结果。性能测试结果揭示了当上行链路和下行链路流量在同一设备上或在两个单独的设备上运行时,它们的定时行为存在显著的相互依赖性。根据研究结果,得出了最终用户特别感兴趣的结论。
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引用次数: 1
Fiber-to- The-Room (FTTR) Technologies for the 5th Generation Fixed Network (F5G) and Beyond 第五代固定网络(F5G)及以后的光纤到室(FTTR)技术
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00068
Xiang Liu, Junwei Li, Xuming Wu, Jinglong Zhu, Yan Zeng, Da Liu, Xiang Wang, Dechao Zhang
We review a series of innovative optical network technologies for the 5th generation fixed network (F5G) and beyond, aiming to support enhanced fixed broadband, full fiber connection, and guaranteed reliable experience. Particularly, the emerging fiber-to-the-room (FTTR) technology that offers telecom-quality Wi-Fi experience and premium home broadband connectivity is described. Proof-of-concept demonstrations of fast seamless Wi-Fi roaming, dynamic Wi-Fi power management, centralized traffic scheduling, and AI-enabled network slicing are presented. A throughput increase of up to 96% and a reduced roaming latency of 20 ms have been achieved by the FTTR-enabled coordination of the Wi-Fi access points. Finally, future network evolution beyond F5G is discussed.
我们回顾了第五代固定网络(F5G)及以后的一系列创新光网络技术,旨在支持增强的固定宽带、全光纤连接和有保障的可靠体验。特别地,描述了提供电信质量Wi-Fi体验和优质家庭宽带连接的新兴光纤到房间(FTTR)技术。介绍了快速无缝Wi-Fi漫游、动态Wi-Fi电源管理、集中流量调度和人工智能支持的网络切片的概念验证演示。通过启用ftr的Wi-Fi接入点协调,吞吐量提高了96%,漫游延迟减少了20毫秒。最后,讨论了F5G以外的未来网络演进。
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引用次数: 2
Performance Analysis of Large Aperture mMIMO UCCA Arrays in a 5G User Dense Network 5G用户密集网络下大孔径mimo UCCA阵列性能分析
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00098
Md Imrul Hasan, SK Nayemuzzaman, M. Saquib
The fifth generation (5G) wireless network signals suffer from significant path loss due to the use of higher frequencies in Sub-6 GHz and millimeter-wave (mmWave) bands. Inter-user interference in an ultra-dense network offers additional challenges to provide a high data rate. Therefore, it is desirable to generate narrow beams to extend the coverage of a 5G network by increasing antenna gain, and improve its capacity/data rate by reducing inter-user interference. Unlike the conventional massive multiple-input multiple-output (mMIMO) rectangular planar antenna array, an mMIMO uniform concentric circular antenna (UCCA) array with a larger inter-ring spacing (i.e., inter-ring spacing> ⋋/2) is capable of generating a significantly narrow beam with a moderate side-lobe level while utilizing the same number of antennas. This fact leads us to investigate the use of large aperture mMIMO UCCA arrays in a 5G user-dense network in order to improve its performance.
由于在Sub-6 GHz和毫米波(mmWave)频段中使用更高的频率,第五代(5G)无线网络信号会遭受严重的路径损耗。超密集网络中的用户间干扰为提供高数据速率提供了额外的挑战。因此,希望通过增加天线增益来产生窄波束以扩大5G网络的覆盖范围,并通过减少用户间干扰来提高其容量/数据速率。与传统的大规模多输入多输出(mMIMO)矩形平面天线阵列不同,具有较大环间距(即环间距> /2)的mMIMO均匀同心圆形天线(UCCA)阵列能够在使用相同数量的天线的情况下产生具有中等旁瓣电平的显着窄波束。这一事实促使我们研究在5G用户密集网络中使用大孔径mimo UCCA阵列,以提高其性能。
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引用次数: 0
Deployment of 5G Network Applications over Multidomain and Dynamic Platforms 基于多域动态平台的5G网络应用部署
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00055
Ana Hermosilla, Jorge Gallego-Madrid, P. Martinez-Julia, Ved P. Kafle, Kostis Trantzas, C. Tranoris, Rafael Direito, Diogo Gomes, Jordi Ortiz, S. Denazis, A. Skarmeta
5G mobile communications are bringing a plethora of applications that are challenging existing network infrastructures. These services demand a dynamic, flexible and adaptive infrastructure capable of fulfilling the rigorous requirements they need to operate correctly. Another key point is the need of real-time reactions in the architecture configurations to effectively satisfy changes in the user's behavior. To address these issues, Network Function Virtualization (NFV) and Software-Defined Networking (SDN) paradigms arise as enablers of the network infrastructures of the future. These technologies will permit the design and development of a new set of network applications that will be dynamically managed and orchestrated over multiple domains in an effortless way. In this work, we present an architecture that interconnects two facilities located in Spain and Japan, which permits the deployment of distributed applications. Besides, we detail how the control and data planes are managed to enable the operation of the system.
5G移动通信带来了大量的应用,对现有的网络基础设施构成了挑战。这些服务需要动态的、灵活的和自适应的基础设施,能够满足它们正确运行所需的严格要求。另一个关键点是在架构配置中需要实时反应,以有效地满足用户行为的变化。为了解决这些问题,网络功能虚拟化(NFV)和软件定义网络(SDN)范式作为未来网络基础设施的推动者而出现。这些技术将允许设计和开发一组新的网络应用程序,这些应用程序将以轻松的方式在多个域中进行动态管理和编排。在这项工作中,我们提出了一个连接位于西班牙和日本的两个设施的架构,它允许部署分布式应用程序。此外,我们还详细介绍了如何管理控制平面和数据平面以使系统运行。
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引用次数: 0
Railway services support over a 5G infrastructure exploiting a multi-technology wireless transport network 铁路服务支持5G基础设施,利用多技术无线传输网络
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00108
D. Cvetkovski, N. Maletic, J. Gutiérrez, P. Flegkas, N. Makris, Alexandros Dalkalitsis, Petros Arvanitis, M. Anastasopoulos, Petros Georgiadis, A. Tzanakaki
Transportation, and particularly railways, has been one of the main vertical sectors targeted by 5G, where achieving seamless connectivity to and in the train is still a real challenge. Nowadays, efforts are steered towards the standardization of the Future Rail Mobile Communication System (FRMCS), having 5G as the cornerstone to deploy all type of vertical services on top of a common 5G cellular system. There is work ongoing in the 5G-VICTORI project focused on the assessment of the capability to seamlessly serve all communication requirements of train operators and passengers in railways. This paper proposes a 5G platform for railway verticals to deploy their services that makes use of a wireless transport infrastructure consisting of heterogeneous networks, e.g. Sub-6 GHz, millimeter wave (mmWave). This platform provides network and compute/storage resources to the ground and on-board 5G segments. The paper delves into the challenges for handover management across the proposed multi-technology transport infrastructure and presents the implementation of a vertical application on top of such platform.
交通运输,特别是铁路,一直是5G瞄准的主要垂直行业之一,实现与列车的无缝连接仍然是一个真正的挑战。如今,人们正努力实现未来铁路移动通信系统(FRMCS)的标准化,以5G为基础,在通用5G蜂窝系统之上部署所有类型的垂直服务。5G-VICTORI项目正在进行工作,重点是评估无缝服务铁路列车运营商和乘客所有通信需求的能力。本文提出了一个5G平台,用于铁路垂直企业部署其服务,该平台利用由异构网络组成的无线传输基础设施,例如Sub-6 GHz、毫米波(mmWave)。该平台为地面和机载5G段提供网络和计算/存储资源。本文深入研究了跨拟议的多技术运输基础设施移交管理的挑战,并提出了在该平台之上的垂直应用程序的实现。
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引用次数: 1
A Shapley value-enhanced evaluation technique for effective aggregation in Federated Learning 一种用于联邦学习中有效聚合的Shapley值增强评价技术
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00024
Mohammadreza Salarbashishahri, S. Okegbile, Jun Cai
5G networks make it possible to transfer real-time sensory data between millions of devices, forming the internet of things. A typical method to utilize these data is to train a machine learning algorithm to extract the features. Federated learning (FL) is a platform for a coalition of clients to train a model collaboratively without sharing their data to preserve data privacy. Data and model poisoning attacks, free-riding attacks, and model divergence due to clients' non-independent and identically distributed (non-IID) datasets are some challenges in conventional federated learning. The lack of an evaluation method in federated averaging (FedAvg) in FL makes it impossible to identify malicious users or amend the divergence of the global model. In this study, we propose a Shapley-based aggregation algorithm called Shapley averaging (ShapAvg) to aggregate the global model more effectively by evaluating the clients' models. In this algorithm, each client's weight in the weighted average will be proportional to its contribution to the global model performance. The results show that the proposed method outperforms FedAvg when using non-IID datasets and in case of data poisoning or free-riding attacks.
5G网络使数百万台设备之间的实时传感数据传输成为可能,形成了物联网。利用这些数据的典型方法是训练机器学习算法来提取特征。联邦学习(FL)是一个供客户联盟协作训练模型的平台,无需共享数据以保护数据隐私。数据和模型中毒攻击、搭便车攻击以及由于客户端非独立和同分布(非iid)数据集而导致的模型分歧是传统联邦学习中的一些挑战。FL中联邦平均(FedAvg)缺乏评估方法,使得无法识别恶意用户或修正全局模型的散度。在本研究中,我们提出了一种基于Shapley的聚合算法,称为Shapley平均(ShapAvg),通过评估客户的模型来更有效地聚合全局模型。在该算法中,每个客户端在加权平均值中的权重将与其对全局模型性能的贡献成正比。结果表明,该方法在使用非iid数据集以及数据中毒或搭便车攻击的情况下优于fedag。
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引用次数: 0
Offloading in 5G Cellular Networks: Unexplored Strategies 5G蜂窝网络中的卸载:未探索的策略
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00090
Gourish Goudar, Sanket Mishra
With the escalating demands for data-intensive content, and the convergence of mobile and connected devices, there is a growing requirement of high bandwidth speeds in multimedia applications. 5G will be a game-changer in the business operations and in providing a engaging customer experience. The 5G vision promises to deliver high-speed downloads with low latency. Managing the exponential growth in data traffic is one of the mobile operator's most challenging issues in 5G networks. Mobile data offloading is a potential and low-cost method for alleviating cellular network congestion. To make this conceivable, we need a new paradigm for hybrid networks that capitalizes on the presence of several alternative communication ways. This entails significant modifications in how data is handled, thereby influencing the behavior of network protocols. This paper presents various techniques for data offloading in cellular 5G networks, discussing the requirements, advantages, and limitations. The research work in this paper provides a detailed presentation of the gaps identified in 5G networks data offloading techniques, the requirements and challenges, and a way forward to solve the challenges, including the most recent technological advancements such as deep learning, edge computing, WiFi-6, social networks and software-defined networks (considering the heterogeneity aspect of the network).
随着对数据密集型内容的需求不断增加,以及移动和互联设备的融合,多媒体应用对高带宽速度的要求越来越高。5G将在业务运营和提供引人入胜的客户体验方面改变游戏规则。5G愿景承诺提供低延迟的高速下载。管理指数级增长的数据流量是移动运营商在5G网络中面临的最具挑战性的问题之一。移动数据卸载是一种潜在的、低成本的缓解蜂窝网络拥塞的方法。为了实现这一点,我们需要一种新的混合网络模式,利用几种可供选择的通信方式。这需要对数据处理方式进行重大修改,从而影响网络协议的行为。本文介绍了蜂窝5G网络中数据卸载的各种技术,讨论了需求、优势和局限性。本文的研究工作详细介绍了5G网络数据卸载技术中存在的差距、需求和挑战,以及解决这些挑战的方法,包括深度学习、边缘计算、WiFi-6、社交网络和软件定义网络等最新技术进展(考虑到网络的异构方面)。
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引用次数: 0
Vertical-oriented 5G platform-as-a-service: user-generated content case study 垂直导向的5G平台即服务:用户生成内容案例研究
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00129
Sarang Kahvazadeh, H. Khalili, Rasoul Nikbakht Silab, Bahador Bakhshi, J. Mangues‐Bafalluy
5G realizes an impactful convergence, where Network Functions Virtualization (NFV) and cloud-native models become fundamental for profiting from the unprecedented capacity offered at the 5G Radio Access Network (RAN). For providing scalability and automation management over resources in 5G infrastructure, cloud-native and Platform as a service (PaaS) are proposed as solutions for paving the way for vertical applications in 5G. This paper leverages cloud-native models, PaaS, and virtual testbed instances to provide key platform provisioning and service life-cycle management features to a selected User Generated Content (UGC) scenario in multimedia applications. Specifically, this article and results show how service-level telemetry from a UGC cloud-native application is used to automatically scale system resources across the NFV infrastructure.
5G实现了有影响力的融合,其中网络功能虚拟化(NFV)和云原生模型成为从5G无线接入网(RAN)提供的前所未有的容量中获利的基础。为了在5G基础设施中提供对资源的可扩展性和自动化管理,提出了云原生和平台即服务(PaaS)作为解决方案,为5G的垂直应用铺平道路。本文利用云原生模型、PaaS和虚拟测试平台实例,为多媒体应用程序中选定的用户生成内容(UGC)场景提供关键的平台配置和服务生命周期管理功能。具体来说,本文和结果展示了如何使用来自UGC云原生应用程序的服务级遥测技术在NFV基础设施中自动扩展系统资源。
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引用次数: 3
Business Case Evaluation of Cooperative, Connected and Automated Mobility Service Provision in cross-border settings[INVITED PAPER – Project 5G-CARMEN] 跨境环境下协同、互联和自动化移动服务提供的商业案例评估[特邀论文-项目5G-CARMEN]
Pub Date : 2022-10-01 DOI: 10.1109/FNWF55208.2022.00044
Asma Chiha, Thibault Degrande, S. Verbrugge, D. Colle, G. Avdikos, W. Aigner, Benoît Denis, D. García-Roger
In this paper, we present a techno-economic analysis of providing a Cooperative, Connected and Automated Mobility (CCAM) use case, namely Cooperative Lane Merging (CLM), in a cross-border environment. Multiple network deployment scenarios are proposed to provide Vehicle to Infrastructure (V2I) connectivity with respect to PC5 Mode 4 – enabled RSUs. Total cost of Ownership (TCO) model together with four revenue models are developed to assess the viability of providing CCAM services in the studied settings. Results show that the higher the number of simultaneous connected cars, the higher the TCO of the required deployment needs to be to meet the defined KPIs and especially for the green field deployment with no existing fibre cable or electricity facilities. Another important insight from this analysis is that only with a high fleet penetration rate of connected vehicles, a viable business case can be achieved.
在本文中,我们提出了在跨境环境中提供合作,连接和自动移动(CCAM)用例的技术经济分析,即合作车道合并(CLM)。提出了多种网络部署方案,以提供与PC5 Mode 4启用的rsu相关的车辆到基础设施(V2I)连接。开发了总拥有成本(TCO)模型和四个收入模型,以评估在研究环境中提供CCAM服务的可行性。结果表明,同时联网汽车的数量越多,所需部署的TCO就越高,以满足定义的kpi,特别是对于没有现有光纤电缆或电力设施的绿地部署。该分析的另一个重要见解是,只有联网汽车的车队普及率高,才能实现可行的商业案例。
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引用次数: 0
期刊
2022 IEEE Future Networks World Forum (FNWF)
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