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2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)最新文献

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Remote detection of COVID-19 using 5G and AI 利用5G和人工智能远程检测COVID-19
Raul Zamorano-Illanes, I. Soto, W. Alavia, V. Garcia, P. Adasme, Francisco Rau
This work presents a novel solution for the detection of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARSCoV-2) that produces the disease COVID-19 from gel electrophoresis images for the application of the analysis of samples from sewage systems for the control of the pandemic, using the fifth generation mobile network (5G) and artificial intelligence (AI) for the reduction of noise in the samples and the detection of characteristic bands of the virus. It is composed of five steps, allowing to reduce the fatigue of the experts and the cost to perform the SARS-CoV-2 detection process compared to an RT-qPCR. In terms of energy savings in transmission, a gain was achieved that stops the value of a BER of $10^{-4}$, it is 0.5 dB when going from N from 64 to 128, similar for the difference from 32 to 64 and a gain of 1dB when going from N from 16 to 32, respectively.
这项工作提出了一种新的解决方案,用于检测从凝胶电泳图像中产生COVID-19的严重急性呼吸综合征冠状病毒2 (SARSCoV-2),用于分析来自污水系统的样本以控制大流行,使用第五代移动网络(5G)和人工智能(AI)来降低样本中的噪声并检测病毒的特征波段。它由五个步骤组成,与RT-qPCR相比,可以减少专家的疲劳和执行SARS-CoV-2检测过程的成本。在传输节能方面,获得的增益阻止了$10^{-4}$的BER值,当N从64到128时,其值为0.5 dB,类似于从32到64的差异,以及从N从16到32时的增益为1dB。
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引用次数: 0
Subset Precoding and Tapering on Phased Arrays for High Throughput Satellite Systems 高通量卫星系统中相控阵的子集预编码和渐缩
Karin Plimon, A. Mengali, J. Ebert, A. Ginesi, H. Schlemmer
Beamforming with phased arrays gained popularity for the design of new high throughput satellite (HTS) systems. In contrast to horn antenna arrays, they clearly offer more flexibility in space and provide the possibility to reduce interference while still aiming for full frequency re-use on ground. Often, tapering is also used for these antennas to control the side lobe level. In this work, we apply the traditional beam precoding, as interference mitigation scheme on ground along with tapering in the forward link and determine possible options for the reduction of computational complexity by subset precoding. The performance evaluation is executed on a direct radiating array and an array fed reflector antenna. Apart from additive white Gaussian noise, also an adaptive coding and modulation margin and channel state information error are considered to create realistic channel conditions.
相控阵波束形成技术在高通量卫星系统设计中得到了广泛应用。与喇叭天线阵列相比,它们显然在空间上提供了更大的灵活性,并提供了减少干扰的可能性,同时仍然致力于地面上的全频率重复使用。通常,这些天线也使用锥形来控制旁瓣电平。在这项工作中,我们应用传统的波束预编码作为地面上的干扰缓解方案,并在前向链路中逐渐变细,并确定通过子集预编码降低计算复杂性的可能选择。在直接辐射阵列和阵列馈电反射器天线上进行性能评估。除了加性高斯白噪声外,还考虑了自适应编码和调制余量以及信道状态信息误差,以创造真实的信道条件。
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引用次数: 1
Delay-Insensitive Time Stretch Interrogation of Fiber Bragg Grating Sensors 光纤光栅传感器的延迟不敏感时间拉伸研究
Yue-Zhong Feng, Yuanli Yue, Qiang Wu, Chao Wang
Photonic time stretch (PTS) approach using ultrashort optical pulses has enabled ultrafast real-time interrogation of wavelength-modulated optical fiber sensors. It has been always assumed that dispersion induced wavelength-to-time mapping is unique and determinic such that the wavelength information of the sensor can be determined from its temporal position. However, random time shifts caused by fibre length changes or distance variations in remote sensing have been overlooked. In this paper, a novel delay-insensitive PTS-assisted ultrafast interrogation technique for remote fiber Bragg grating (FBG) sensors has been proposed and demonstrated. It is made possible by applying chirped microwave frequency encoding such that optical wavelength can be detected from the instantaneous microwave frequency of the encoded stretched pulse, eliminating the effect of random time shifts. The performance of the proposed interrogation system is elaborated by numerical simulation studies. Ultrafast interrogation of remotely placed FBG sensors has been demonstrated. Results verified that the system is immune from distance changes between the sensor and the interrogation reader. A high wavelength resolution of 0.0016nm and a 50 MHz detecting speed with the superior time-delay insensitive characteristic is realized.
利用超短光脉冲的光子时间拉伸(PTS)方法实现了波长调制光纤传感器的超快速实时探测。通常假设色散引起的波长-时间映射是唯一的和确定的,因此传感器的波长信息可以从其时间位置确定。然而,在遥感中由于光纤长度变化或距离变化引起的随机时移一直被忽视。本文提出并演示了一种用于光纤光栅(FBG)传感器的新型延迟不敏感pts辅助超快探测技术。通过应用啁啾微波频率编码,使得可以从编码拉伸脉冲的瞬时微波频率检测到光波长,从而消除随机时移的影响,从而使其成为可能。通过数值模拟研究阐述了所提出的讯问系统的性能。超高速讯问远程放置的光纤光栅传感器已经证明。结果证明,该系统不受传感器与询问阅读器之间距离变化的影响。实现了0.0016nm的高波长分辨率和50 MHz的检测速度,并具有优越的时延不敏感特性。
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引用次数: 0
Design of MAC-layer Protocols for Distributed NOMA-based VLC Networks 基于分布式noma的VLC网络mac层协议设计
K. Rallis, V. Papanikolaou, P. Diamantoulakis, A. Dowhuszko, Jyri Hämäläinen, G. Karagiannidis
In this paper, a visible light communication (VLC) cellular network that utilizes non-orthogonal multiple access (NOMA) is investigated. To deal with the high inter-cell interference attributed to the high-density of VLC network nodes, a medium access control (MAC) scheduler is designed based on a distributed NOMA approach that aims at increasing the performance of cell-edge users, while securing the high data rate requirements of cell-center users in the VLC network. To this end, two practical protocols are proposed to guarantee the increased spectral efficiency and interference mitigation through distributed NOMA. In each protocol, the decoding strategy and power allocation of the users is investigated through a low complexity algorithm that ensures user fairness in the network. The presented analysis is validated through simulations, where the proposed schemes notably outperform the benchmark scheme in which the cell-edge user does not perform successive interference cancellation. Finally, the results showcase valuable insights, mainly on the fact that the decoding strategy in such networks is not as obvious as in conventional downlink NOMA.
本文研究了一种基于非正交多址(NOMA)的可见光通信(VLC)蜂窝网络。针对VLC网络节点高密度导致的小区间高干扰,基于分布式NOMA方法设计了一种介质访问控制(MAC)调度程序,旨在提高小区边缘用户的性能,同时保证小区中心用户在VLC网络中对高数据速率的要求。为此,提出了两种实用的协议,以保证通过分布式NOMA提高频谱效率和抑制干扰。在每个协议中,通过低复杂度的算法来研究用户的解码策略和功率分配,以确保网络中的用户公平性。通过仿真验证了所提出的分析,其中所提出的方案明显优于蜂窝边缘用户不执行连续干扰消除的基准方案。最后,结果展示了有价值的见解,主要是关于这样一个事实,即这种网络中的解码策略不像传统下行链路NOMA那样明显。
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引用次数: 3
Cloud-native 5G experimental platform with over-the-air transmissions and end-to-end monitoring 云原生5G实验平台,无线传输,端到端监控
Sergio Barrachina-Muñoz, Miquel Payaró, J. Mangues‐Bafalluy
5G represents a revolutionary shift with respect to previous generations given its design centered on network softwarization. Within such a change of paradigm, cloud-native solutions are widely regarded as the future of vertical application development because of their enhanced flexibility and adaptability to complex and dynamic scenarios. In this context, we present an experimental framework with over-the-air transmissions that tackles two critical aspects for enhancing the lifecycle management of 5G and beyond networks: cloud-native deployments of 5G core network functions (NFs) and end-to-end monitoring. First, we deploy Open5GS and Prometheus-based monitoring as containerized network functions (CNFs) in a Kubernetes cluster spanning a multi-tier network with a multi-access edge computing (MEC) host. We then demonstrate the end-to-end monitoring system by showcasing via Grafana dashboards both infrastructure resources and radio metrics of two scenarios; one devoted to user plane function (UPF) re-selection and the other to user mobility.
5G的设计以网络软件化为中心,与前几代相比,这是一次革命性的转变。在这种范式变化中,云原生解决方案被广泛认为是垂直应用程序开发的未来,因为它们对复杂和动态场景的灵活性和适应性增强了。在此背景下,我们提出了一个空中传输的实验框架,该框架解决了增强5G及以后网络生命周期管理的两个关键方面:5G核心网络功能(NFs)的云原生部署和端到端监控。首先,我们将Open5GS和基于prometheus的监控作为容器化网络功能(CNFs)部署在Kubernetes集群中,该集群跨越具有多访问边缘计算(MEC)主机的多层网络。然后,我们通过Grafana仪表板展示两种场景的基础设施资源和无线电指标来演示端到端监控系统;一个致力于用户平面功能(UPF)重选择,另一个致力于用户移动性。
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引用次数: 3
iDAM: A Distributed MUD Framework for Mitigation of Volumetric Attacks in IoT Networks iDAM:用于缓解物联网网络中体积攻击的分布式MUD框架
Suvrima Datta, Aneesh Bhattacharya, Risav Rana, U. Venkanna
The rapid popularity of IoT devices has led to an escalating number of sophisticated cybersecurity attacks. Prior security mechanisms are inaccurate and incur high computational costs for resource-constrained IoT devices, hindering their scalability to large networks. Manufacturer Usage Description (MUD) has been introduced to overcome IoT security challenges. However, it cannot mitigate volumetric attacks in IoT networks. This paper proposes iDAM: a distributed self-learning, autonomous system to detect and mitigate volumetric attacks in IoT networks. iDAM monitors and authenticates the behavioral profiles of MUD compliant IoT devices and builds specific-device-type OC-SVM models aggregated using federated learning. The solution can cope with the occurrence of volumetric attacks at several levels of the IoT infrastructure and the compromise of the internal components of the proposed solution. We have extensively evaluated our solution with the IoT network intrusion dataset, which shows that iDAM can efficiently mitigate several volumetric attacks by detecting anomalous packet flows in the network with an AUC of 0.9597. Testing iDAM against a real-time SYN flood attack in an experimental setup and its ability to quickly mitigate the attack solidifies the conclusion that it can be deployed in a real-time environment to detect and mitigate volumetric attacks effectively.
物联网设备的迅速普及导致了越来越多的复杂网络安全攻击。对于资源受限的物联网设备,先前的安全机制是不准确的,并且会产生高昂的计算成本,阻碍了它们在大型网络中的可扩展性。引入制造商使用描述(MUD)来克服物联网安全挑战。然而,它不能减轻物联网网络中的体积攻击。本文提出了iDAM:一种分布式自我学习,自主系统,用于检测和减轻物联网网络中的体积攻击。iDAM监控和验证符合MUD的物联网设备的行为概况,并使用联邦学习构建特定设备类型的OC-SVM模型。该解决方案可以应对在物联网基础设施的多个级别发生的体积攻击以及所提议解决方案的内部组件的妥协。我们已经用物联网网络入侵数据集对我们的解决方案进行了广泛的评估,结果表明,iDAM可以通过检测AUC为0.9597的网络中的异常数据包流来有效地缓解几种体积攻击。在实验设置中测试iDAM对抗实时SYN flood攻击的能力,以及它快速减轻攻击的能力,巩固了它可以部署在实时环境中以有效检测和减轻容量攻击的结论。
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引用次数: 1
Machine Learning Resource Optimization Enabled by Cross Layer Monitoring 通过跨层监控实现机器学习资源优化
Dimitrios Uzunidis, P. Karkazis, H. Leligou
In this paper, we introduce a novel architecture and its open-source implementation that exploits the monitoring data from heterogeneous resources and uses them to train machine learning models, which can be used for dynamic resource management optimization. The existence of such a solution is extremely important for Service Providers (SP) as it can lead to the optimal use of their physical and virtual infrastructures avoiding potential waste of resources due to overdesign while at the same time it can ensure that the required Quality of Service (QoS) levels are met. The proposed solution is validated in two real-life services showing very good accuracy in predicting the required resources in both cases for a large number of operational scenarios.
在本文中,我们介绍了一种新的架构及其开源实现,该架构利用来自异构资源的监控数据并使用它们来训练机器学习模型,该模型可用于动态资源管理优化。这种解决方案的存在对于服务提供商(SP)来说是极其重要的,因为它可以使其物理和虚拟基础设施得到最佳使用,避免由于过度设计而造成的潜在资源浪费,同时它可以确保满足所需的服务质量(QoS)级别。提出的解决方案在两个实际服务中进行了验证,在预测大量操作场景的两种情况下所需资源方面显示出非常好的准确性。
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引用次数: 2
Software-Defined Networking for Free Space Optical Communications 自由空间光通信的软件定义网络
N. Mohan, Zabih Ghassemlooy, Husain A. Rahman, M. Khalighi
Traditional IP networks lack the flexibility to respond to faults, network reconfiguration, and load changes in an ever-evolving digital society, which we call the Internet. To make matters worse, implementation of network policies requires configuration of each network device in which the control and data planes are coupled together using vendor specific commands. Software defined networking (SDN) is an emerging technology, which decouples the control plane from the data plane to provide flexibility in configuring/reconfiguring a network. In this manuscript, we present a SDN testbed using off-the-shelf components, write and deploy network applications onto the testbed, and demonstrate the functioning of the network application using a free space optical link.
传统的IP网络在不断发展的数字社会(我们称之为互联网)中缺乏响应故障、网络重构和负载变化的灵活性。更糟糕的是,网络策略的实现需要配置每个网络设备,其中控制平面和数据平面使用供应商特定的命令耦合在一起。软件定义网络(SDN)是一种新兴技术,它将控制平面与数据平面解耦,以提供配置/重新配置网络的灵活性。在本文中,我们提出了一个使用现成组件的SDN测试平台,在测试平台上编写和部署网络应用程序,并使用自由空间光链路演示网络应用程序的功能。
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引用次数: 0
Outage Probability of ABCom NOMA Systems for 6G with IQI and RHIs 基于IQI和RHIs的6G ABCom NOMA系统的中断概率
Dongkai Cui, Xingwang Li, Gaojian Huang, Khaled Maaiuf Rabie, G. Nauryzbayev, Basem M.ElHalawany
This paper considers an ambient backscatter communication (AmBC)-Non-orthogonal multiple access (NOMA) system with both in-phase and quadrature phase imbalance (IQI) and residual hardware impairments (RHIs). In particular, derive the analytic expressions of outage probability (OP) of each node in the presence of ideal and non-ideal conditions. In order to get further insights, we analyze the asymptotic behavior of OPs at high signal-to-noise ratios (SNRs). Through the comparison of theoretical analysis and Monte Carlo simulation, the correctness of the conclusions are verified.
本文研究了一种同时存在同相和正交相位不平衡(IQI)和残余硬件损伤(RHIs)的环境后向散射通信(AmBC)-非正交多址(NOMA)系统。特别地,导出了理想和非理想情况下各节点的中断概率(OP)的解析表达式。为了获得进一步的见解,我们分析了OPs在高信噪比(SNRs)下的渐近行为。通过理论分析和蒙特卡罗仿真的比较,验证了结论的正确性。
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引用次数: 1
Demonstration of 20 Mbps LED Ultraviolet-C Communication over Medium Distance with Photon Receiver 基于光子接收器的20mbps LED中距离紫外- c通信演示
Yifan Ding, Huabin Yu, M. H. Memon, Chen Gong, Haiding Sun, Zhengyuan Xu
Motivated by optical covert communication that can support both line-of-sight (LOS) and non-line-of-sight (NLOS) scenario, we demonstrate the possiblilty of the high data rate communication using deep ultraviolet (UV) light emitting-diode (LED). Both the LOS and NLOS UV communication links over realistic distances have been built. In LOS communication, we transmit data at rate from 2.5 Mbps to 20 Mbps in distances of 10 meters, 20 meters, and 30 meters. While in NLOS communication experiment, we test the channel over 6 meters at the reflection angle of 90 degree, which is reflected by different solid materials. The transmitter adopts On-Off Keying (OOK) modulation, and the receiver part consists of a photomultiplier tube (PMT) and an oscilloscope. We process data on a computer in an offline manner, where supporting vector machine-based approach for signal detection is adopted. The experimental results show that in the LOS condition, the UV LED can provide stable communication at symbol rate 20 Mbps with bit-error rate (BER) below 2%in distance of 20 meters. Furthermore, we demonstrate that the UV photons can be reflected by smooth solid material at 90 degree where symbol rate 10 Mbps with BER below 2%can be achieved.
由于光学隐蔽通信可以支持视距(LOS)和非视距(NLOS)场景,我们展示了使用深紫外(UV)发光二极管(LED)实现高数据速率通信的可能性。在实际距离上建立了LOS和NLOS紫外通信链路。在LOS通信中,我们在10米、20米和30米的距离上以2.5 Mbps到20 Mbps的速率传输数据。而在NLOS通信实验中,我们测试了6米以上的信道,反射角为90度,被不同的固体材料反射。发射端采用开关键控(OOK)调制,接收端由光电倍增管(PMT)和示波器组成。我们以离线方式在计算机上处理数据,其中采用基于支持向量机的方法进行信号检测。实验结果表明,在LOS条件下,紫外LED可以在20米距离内以20 Mbps的码率、2%以下的误码率提供稳定的通信。此外,我们证明了紫外光子可以被光滑的固体材料在90度处反射,符号速率为10 Mbps,误码率低于2%。
{"title":"Demonstration of 20 Mbps LED Ultraviolet-C Communication over Medium Distance with Photon Receiver","authors":"Yifan Ding, Huabin Yu, M. H. Memon, Chen Gong, Haiding Sun, Zhengyuan Xu","doi":"10.1109/CSNDSP54353.2022.9908036","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9908036","url":null,"abstract":"Motivated by optical covert communication that can support both line-of-sight (LOS) and non-line-of-sight (NLOS) scenario, we demonstrate the possiblilty of the high data rate communication using deep ultraviolet (UV) light emitting-diode (LED). Both the LOS and NLOS UV communication links over realistic distances have been built. In LOS communication, we transmit data at rate from 2.5 Mbps to 20 Mbps in distances of 10 meters, 20 meters, and 30 meters. While in NLOS communication experiment, we test the channel over 6 meters at the reflection angle of 90 degree, which is reflected by different solid materials. The transmitter adopts On-Off Keying (OOK) modulation, and the receiver part consists of a photomultiplier tube (PMT) and an oscilloscope. We process data on a computer in an offline manner, where supporting vector machine-based approach for signal detection is adopted. The experimental results show that in the LOS condition, the UV LED can provide stable communication at symbol rate 20 Mbps with bit-error rate (BER) below 2%in distance of 20 meters. Furthermore, we demonstrate that the UV photons can be reflected by smooth solid material at 90 degree where symbol rate 10 Mbps with BER below 2%can be achieved.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127628666","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: 1
期刊
2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
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