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2020 11th IEEE Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON)最新文献

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An Energy-Efficient Machine-Type Communication for Maritime Internet of Things 一种面向海上物联网的节能机器型通信
Payam Rahimi, C. Chrysostomou, I. Kyriakides, V. Vassiliou
The Internet of Things (IoT) is an enabler technology for smart maritime networks. Connected IoT systems require reliable machine-type communication (MTC). However, maritime MTC is facing several practical challenges including the wide-area coverage, ubiquitous connectivity, cost-effectiveness, and reliability. In this paper, we first present a novel wireless communications assisted unmanned aerial vehicles (UAVs) system for maritime MTC. In our approach, UAVs are deployed to provide wide-area coverage, while a network of connected buoys handles data transmission between the UAVs and the on-shore data fusion and control center (DFCC). We propose a handover decision method that eliminates unnecessary handover triggers; thus, reducing the overall energy consumption and ensuring seamless connectivity. We formulate the handover decision method as a constrained optimization problem of maximizing handover efficiency in terms of signal-to-noise ratio (SNR), available data rate, residual energy, and buffered data, by identifying the buoy offering optimal connectivity. The optimization problem is solved by a probabilistic based genetic algorithm (GA). We compare the proposed handover decision model with three benchmark scenarios to validate the performance gains achieved.
物联网(IoT)是智能海事网络的使能技术。联网物联网系统需要可靠的机器类型通信(MTC)。然而,海上MTC面临着一些实际挑战,包括广域覆盖、无处不在的连接、成本效益和可靠性。在本文中,我们首先提出了一种新型的无线通信辅助无人机(UAVs)海上MTC系统。在我们的方法中,部署无人机来提供广域覆盖,而连接浮标网络处理无人机与岸上数据融合和控制中心(DFCC)之间的数据传输。提出了一种消除不必要切换触发器的切换决策方法;从而降低整体能耗并确保无缝连接。我们将切换决策方法制定为一个约束优化问题,通过确定提供最佳连接的浮标,在信噪比(SNR)、可用数据率、剩余能量和缓冲数据方面最大化切换效率。该优化问题采用基于概率的遗传算法求解。我们将提出的切换决策模型与三个基准场景进行比较,以验证所获得的性能收益。
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引用次数: 8
Design & Implementation of IoT Based Smart Helmet for Road Accident Detection 基于物联网的道路事故检测智能头盔的设计与实现
M. E. Alim, Sarosh Ahmad, Marzieh Naghdi Dorabati, Ihab Hassoun
It has been observed that an alarming rate of road accidents occur in different countries every year with the increase of bikes and motorcycles. Some countries are one of the densely populated in the world where roads are narrower in comparison to the roads and streets. Although enough rules and regulations are made by the government to avoid road accidents, but the accident rate is increasing day by day. Reasons such as avoiding helmet by the bike rider during their ride as well as riding being drunk are worth mentionable. Motorcycle rider involve them in serious road accidents causing fatality while not wearing helmet and riding motorcycles being drunk. Wearing helmet can however reduce the risk of accidents largely. In this paper a very effective and technological way of Smart Helmet using Internet of Things (IoT) has been introduced by which one can avoid such problems. Arduino NANO and Arduino Mega-2560 are microcontrollers which control the entire components of the system. Two 2.4 GHZ nRF24L01 acts like sender and receiver for communication. One MQ-3 gas sensor is used which can detect whether the bike rider is alcoholic or not. If the bike rider is alcoholic, then the MQ-3 sensor detects it and the whole system goes off. A Sharp IR sensor detects the head of the motorcyclist within the range of 10–80 cm. The Bike rider's engine will start only when the rider will buckle the helmet. GPS & GSM Technology is used for tracking the location of the bike rider and sending text message to the family members of the Bike rider when an accident occurs. Our Smart Helmet is used for Accident Detection and Bike Rider's Safety.
据观察,随着自行车和摩托车的增加,每年不同国家的道路交通事故发生率惊人。有些国家是世界上人口密集的国家之一,与道路和街道相比,道路更窄。虽然政府制定了足够的规章制度来避免道路交通事故,但是事故率却日益上升。值得一提的是,骑自行车的人在骑行过程中不戴头盔,以及醉酒骑行等原因。摩托车骑手在不戴头盔和醉酒骑摩托车的情况下发生严重的道路交通事故,造成死亡。然而,戴头盔可以大大降低事故的风险。本文介绍了利用物联网技术实现智能头盔的一种非常有效的技术途径,可以避免这些问题。Arduino NANO和Arduino Mega-2560是控制整个系统组件的微控制器。两个2.4 GHZ nRF24L01分别作为发送方和接收方进行通信。使用一个MQ-3气体传感器,可以检测骑自行车的人是否酗酒。如果骑自行车的人酗酒,MQ-3传感器就会检测到,然后整个系统就会启动。一个锐利的红外传感器可以在10-80厘米的范围内检测摩托车手的头部。只有当骑手扣上头盔时,自行车的引擎才会启动。GPS & GSM技术用于跟踪骑车者的位置,并在发生事故时向骑车者的家人发送短信。我们的智能头盔用于事故检测和自行车骑行者的安全。
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引用次数: 10
Privacy Illusion: Beware of Unpadded DoH 隐私错觉:小心未填充的DoH
Karel Hynek, T. Čejka
DNS over HTTPS (DoH) has been created with ambitions to improve the privacy of users on the internet. Domain names that are being resolved by DoH are transferred via an encrypted channel, ensures nobody should be able to read the content. However, even though the communication is encrypted, we show that it still leaks some private information, which can be misused. Therefore, this paper studies the behavior of the DoH protocol implementation in Firefox and Chrome web-browsers, and the level of detail that can be revealed by observing and analyzing packet-level information. The aim of this paper is to evaluate and highlight discovered privacy weaknesses hidden in DoH. By the trained machine learning classifier, it is possible to infer individual domain names only from the captured encrypted DoH connection. The resulting trained classifier can infer domain name from encrypted DNS traffic with surprisingly high accuracy up to 90% on HTTP 1.1, and up to 70% on HTTP 2 protocol.
基于HTTPS的DNS (DoH)旨在改善互联网用户的隐私。由DoH解析的域名通过加密通道传输,确保没有人能够读取内容。然而,即使通信是加密的,我们表明它仍然泄露了一些私人信息,这些信息可能被滥用。因此,本文研究了DoH协议在Firefox和Chrome浏览器中的实现行为,以及通过观察和分析包级信息可以揭示的详细程度。本文的目的是评估和突出隐藏在DoH中的已发现的隐私弱点。通过训练有素的机器学习分类器,可以仅从捕获的加密DoH连接推断单个域名。经过训练的分类器可以从加密的DNS流量中推断出域名,其准确度在HTTP 1.1上高达90%,在HTTP 2协议上高达70%。
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引用次数: 9
LoRaWAN Internet of Things Network Planning for Smart City in Bandung Areas 万隆地区智慧城市LoRaWAN物联网网络规划
Maruli Tua Baja Sihotang, M. I. Nashiruddin, M. A. Murti
The Smart Cities Framework is the basis for developing the Smart Cities model. This consideration must take into account the possibility of increasing the number of subscribers who require operators to provide appropriate access services. This study provides solutions and optimization of LoRaWAN-based Internet of Things (IoT) network connectivity to determine the needfor the number of gateways. LoRaWAN-based IoT optimization has critical design parameters, namely bandwidth, Spreading Factor (SF), and Coding Rate (CR). For this reason, analytic models and simulation tools are applied based on the scope and range that canbe transmitted. The results showed that the mean of best receivedsignal level for all areas of Bandung City was −81.17 dBm based oncapacity analysis and 82.31 dBm based on coverage analysis. Basedon the analysis of LoRaWAN capacity and coverage planning thatthe gateway needs in Bandung are 40 and 30 sites.
智慧城市框架是发展智慧城市模式的基础。这种考虑必须考虑到用户数量增加的可能性,这些用户要求运营商提供适当的接入服务。本研究提供了基于lorawan的物联网(IoT)网络连接的解决方案和优化,以确定网关数量的需求。基于lorawan的物联网优化具有关键的设计参数,即带宽、扩频因子(SF)和编码率(CR)。因此,分析模型和仿真工具的应用是基于可以传输的范围和范围。结果表明,万隆市各地区的最佳接收信号电平均值为- 81.17 dBm(容量分析)和82.31 dBm(覆盖分析)。根据对LoRaWAN容量和覆盖规划的分析,万隆的网关需求为40和30个站点。
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引用次数: 1
A Novel Website Development for Weather Notification System using Smart Umbrella Based on Internet of Things 基于物联网的智能雨伞天气通知系统网站开发
Mirza Mohd Shahriar Maswood, Uzzwal Kumar Dey, Md Ashif Uddin, M. Mamun, Shamima Sultana Sonia, Moriom Akter, Abdullah G. Alharbi
Internet of Things (IoT) is a popular technology that changes everyday life and contributes in changing the way of using other technologies. IoT connects the things with the internet. By means of IoT, one can be notified about the weather status beforehand using sensors. Weather conditions can be observed and collected for further use. Weather status data can be stored in a website and Raspberry Pi can read this stored information to send a set of instructions to the objects. Then, objects can respond according to the information on the website. In this work, a weather notification system is proposed where the system collects the weather status from the website and sends instruction to the things. It is a common problem of many people to forget about taking the umbrella everyday while going outside. Our system can notify the weather status by turning ON an LED attached with the umbrella and sending SMS to the user equipment at user specified time. Therefore, this smart umbrella can make everyday life more comfortable.
物联网(IoT)是一种流行的技术,它改变了日常生活,并有助于改变其他技术的使用方式。物联网将事物与互联网连接起来。通过物联网,人们可以事先通过传感器了解天气状况。可以观察和收集天气状况以供进一步使用。天气状态数据可以存储在一个网站上,树莓派可以读取这些存储的信息,向物体发送一组指令。然后,对象可以根据网站上的信息做出响应。在本工作中,提出了一个天气通知系统,该系统从网站上收集天气状况并向事物发送指令。每天出门忘记带伞是很多人的通病。我们的系统可以通过打开与雨伞相连的LED并在用户指定的时间向用户设备发送短信来通知天气状况。因此,这把智能雨伞可以让日常生活更舒适。
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引用次数: 3
A Low Cost sEMG Development Platform for Hand Joint Angle Acquisition 手关节角度采集的低成本表面肌电信号开发平台
B. P. Beauchamp
A consolidation of sEMG to Muscle Force signal processing and Fingertip Workspace Mathematics (FWM) is hypothesized in this literature. Consequently, this hypothesis suggests a projection matrix from muscle force to joint angles of the hand. Using a supervised kinematic algorithm, an sEMG device can learn to describe an individual's fingertip positions in two steps. The first step is inverse kinematics to learn a projection from joint angle to muscle force. The second step is forward kinematics of muscle forces to predict joint angles without direct observation. This literature presents low cost hardware design for acquiring forearm sEMG signals and fingertip joint angles. The consolidation of sEMG to muscle force and kinematic hand modeling bridges the gap between physiologic research and human interfacing technology.
本文献假设表面肌电信号与肌肉力量信号处理和指尖工作空间数学(FWM)的整合。因此,这个假设提出了一个从肌肉力到手关节角度的投影矩阵。使用监督运动算法,表面肌电信号设备可以分两步学习描述个人的指尖位置。第一步是逆运动学,学习从关节角度到肌肉力的投影。第二步是肌肉力量的正运动学,在没有直接观察的情况下预测关节角度。本文介绍了一种用于获取前臂表面肌电信号和指尖关节角度的低成本硬件设计。肌电图对肌肉力量和运动学手部建模的巩固弥补了生理学研究和人机界面技术之间的差距。
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引用次数: 1
Radiation Safety Hazards of Cellular IoT Devices 蜂窝物联网设备的辐射安全危害
R. Vahidnia, F. J. Dian
The application of Cellular Internet of Things (CIoT) devices is rapidly increasing in many use cases such as healthcare and smart cities. Governments, enterprises and even start-ups are heavily investing in implementing new solutions using cellular IoT technologies. However, there are many concerns associated with the deployment of these technologies that lead people to be hesitant in welcoming CIoT solutions. Security, privacy and safety issues are among these concerns. Consumers of IoT wearable devices are worried about the negative effects that the radiation of smart devices may have on their health. In this article, we address the safety concern by reviewing the standard limits of human exposure to radio frequency electromagnetic energy and analyzing the radiation levels of CIoT antennas.
蜂窝物联网(CIoT)设备在医疗保健和智能城市等许多用例中的应用正在迅速增加。政府、企业甚至初创企业都在大力投资使用蜂窝物联网技术实施新的解决方案。然而,与这些技术的部署相关的许多问题导致人们在欢迎CIoT解决方案时犹豫不决。安全、隐私和安全问题是这些担忧之一。物联网可穿戴设备的消费者担心智能设备的辐射可能对他们的健康产生负面影响。在本文中,我们通过回顾人体暴露于射频电磁能量的标准限制和分析CIoT天线的辐射水平来解决安全问题。
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引用次数: 3
A Simplistic View on Latency of Random Access in Cellular Internet of Things 对蜂窝物联网随机接入延迟的简单看法
F. J. Dian, R. Vahidnia
It is important for an IoT device to be able to access the network with no or small delay in order to send its data to the Internet quickly. Particularly, in real time applications that time is of the essence, this delay should be small. The period of time from when an IoT device initiates a Random Access (RA) process to get access to the network until it sends its data is called the latency. Since the latency is dependent on the number of IoT devices in the network, the way that each device generates its traffic, and many other factors, it is extremely challenging to accurately estimate the latency. In this paper, we provide a simplistic view to estimate the latency in various situations based on the number of collisions, repetition, and data size for various RA processes belonging to different Cellular Internet of Things (CIoT) technology enhancements. To simplify the situation, we only discuss the most important factors. This simplistic view gives the reader a sense of the trimming of different parts of the RA process without using a complex simulator or analytical model.
为了快速将数据发送到互联网,物联网设备能够在没有或很小延迟的情况下访问网络是很重要的。特别是,在时间至关重要的实时应用程序中,该延迟应该很小。从物联网设备启动随机访问(RA)进程访问网络到发送其数据的时间段称为延迟。由于延迟取决于网络中物联网设备的数量、每个设备产生流量的方式以及许多其他因素,因此准确估计延迟极具挑战性。在本文中,我们提供了一个简单的视图来估计各种情况下的延迟,该延迟基于属于不同蜂窝物联网(CIoT)技术增强的各种RA过程的碰撞次数、重复次数和数据大小。为了简化情况,我们只讨论最重要的因素。这种简单的视图使读者在不使用复杂的模拟器或分析模型的情况下就能感受到RA过程的不同部分的修剪。
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引用次数: 3
C2TOP: A Cloud Competition-based Truthful Online Pricing Mechanism in Secondary Markets C2TOP:基于云竞争的二级市场真实在线定价机制
S. M. Reza Dibaj, A. Miri
Flexibility and the ability of cost management have made on-demand price scheduling as one of the most favourable choices of cloud service users. This mechanism is not appealing for cloud service providers at the same level because it cannot provide the required information to anticipate and provide future market demands. Instead, cloud service providers are more inclined to use Futures contracts. However, these methods do not provide the flexibility and cost management that on-demand methods provide for service users. Cloud secondary markets emerged to meet the needs of both sides of the market: 1) cloud service providers, 2)cloud service users, where brokers and reseller buyers act as intermediaries to provide the demanded services for service users. There is high competition among service providers to attract service users and among service users to find appropriate services, and also there are high fluctuations in environmental parameters, such as price and the volume of supply and demand. These are the reasons that designing an appropriate pricing algorithm and resource allocation mechanism is of great importance. In this paper, we propose a competition-based price scheduling mechanism that considers the inherent competition and fluctuation attributes of such environments. The provided experimental results show that our mechanism is superior to other methods, such as fixed and history-based pricing mechanisms, in terms of utility and resource allocation efficiency.
灵活性和成本管理能力使得按需价格调度成为云服务用户最有利的选择之一。这种机制对同一级别的云服务提供商没有吸引力,因为它不能提供预测和提供未来市场需求所需的信息。相反,云服务提供商更倾向于使用期货合约。但是,这些方法不提供按需方法为服务用户提供的灵活性和成本管理。云二级市场的出现是为了满足市场双方的需求:1)云服务提供商,2)云服务用户,其中经纪人和转售买家作为中介,为服务用户提供所需的服务。服务提供者之间为吸引服务用户而竞争激烈,服务用户之间为寻找适当的服务而竞争激烈,环境参数,如价格和供求量,波动很大。因此,设计合理的定价算法和资源配置机制显得尤为重要。在本文中,我们提出了一个基于竞争的价格调度机制,该机制考虑了这种环境的内在竞争和波动属性。提供的实验结果表明,我们的机制在效用和资源配置效率方面优于其他方法,如固定定价机制和基于历史的定价机制。
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引用次数: 0
Bepari: A Cost-aware Comprehensive Agent Architecture for Opaque Cloud Services Bepari:用于不透明云服务的具有成本意识的综合代理体系结构
S. Noor, M. Hossain, R. Khan, Ragib Hasan, S. M. Riazul Islam
Cloud computing has become popular in various application domains based on infrastructure, platform, and software as a service model. Rapid deployment, high scalability, on-demand, and (theoretically) infinite resources have driven the industry towards the wide adoption of cloud computing services. However, the difficulty of cross-provider resource allocation and seamless resource transition is a major concern for such services. Therefore, the segregated cloud market forces its clients to use provider-specific and pre-configured options for their required resources and services. Thus, the overall market, even with the presence of multiple cloud service providers, operates as a direct service from the providers to the clients, and with non-negotiable pricing strategies for the cloud services. In this article, we propose Bepari, a cost-driven model for opaque service platforms for cloud computing. Bepari acts as a negotiation-based approach to deliver composite cross-provider cloud-based services to the end-users. Bepari provides a detailed service-oriented architecture for multiple cloud service providers to provide cross-platform and composite services. Furthermore, Bepari delivers a detailed cost model and comparison between establishing a cloud service vs. an opaque cloud service. Our empirical framework allows a Bepari service provider to analyze the profit model and create a market niche accordingly. Simulation results are provided, which validate the efficiency of a negotiated pricing strategy in terms of maximized resource utilization and profits for cloud service providers and cost reduction for the cloud users.
云计算已经在基于基础设施、平台和软件即服务模型的各种应用领域中流行起来。快速部署、高可伸缩性、随需应变和(理论上)无限的资源推动了业界对云计算服务的广泛采用。然而,跨提供者资源分配和资源无缝转换的困难是此类服务的主要问题。因此,隔离的云市场迫使其客户为其所需的资源和服务使用特定于提供商的预配置选项。因此,整个市场,即使存在多个云服务提供商,也是作为从提供商到客户的直接服务运行的,并且对云服务采用不可协商的定价策略。在本文中,我们提出Bepari,这是一种用于云计算的不透明服务平台的成本驱动模型。Bepari作为一种基于协商的方法,向最终用户交付复合的跨提供商基于云的服务。Bepari为多个云服务提供商提供了详细的面向服务的体系结构,以提供跨平台和组合服务。此外,Bepari还提供了详细的成本模型,以及建立云服务与不透明云服务之间的比较。我们的经验框架允许Bepari服务提供商分析盈利模式并相应地创建市场利基。仿真结果验证了协商定价策略在云服务提供商资源利用率和利润最大化以及云用户成本降低方面的有效性。
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引用次数: 0
期刊
2020 11th IEEE Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON)
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