近年来,无人驾驶航空公司(无人机)的扩散急剧增加。无人机可以以可靠且具有成本效益的方式完成复杂或危险的任务,但仍然受到功耗问题的限制,这对飞行持续时间和能源苛刻任务的完成构成了严重的限制。以能源有效的方式提供具有高级决策功能的无人机的可能性是非常有益的。在本文中,我们提出了一个实际的解决方案,对这个问题进行了深入学习的问题。开发系统将OpenMV微控制器集成到DJI Tello Micro Acial车辆(MAV)中。微控制器托管一组机器学习的推理工具,协作控制无人机的导航并完成给定的任务目标。这种方法的目标是利用TINYML的新机遇特征通过OpenMV,包括离线推断,低延迟,能效和数据安全性。该方法在实际应用程序上成功验证,该应用程序包括在拥挤环境中穿着保护面具的人们的船上检测。
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Unmanned aerial vehicle (UAV) swarms are considered as a promising technique for next-generation communication networks due to their flexibility, mobility, low cost, and the ability to collaboratively and autonomously provide services. Distributed learning (DL) enables UAV swarms to intelligently provide communication services, multi-directional remote surveillance, and target tracking. In this survey, we first introduce several popular DL algorithms such as federated learning (FL), multi-agent Reinforcement Learning (MARL), distributed inference, and split learning, and present a comprehensive overview of their applications for UAV swarms, such as trajectory design, power control, wireless resource allocation, user assignment, perception, and satellite communications. Then, we present several state-of-the-art applications of UAV swarms in wireless communication systems, such us reconfigurable intelligent surface (RIS), virtual reality (VR), semantic communications, and discuss the problems and challenges that DL-enabled UAV swarms can solve in these applications. Finally, we describe open problems of using DL in UAV swarms and future research directions of DL enabled UAV swarms. In summary, this survey provides a comprehensive survey of various DL applications for UAV swarms in extensive scenarios.
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In recent years, the exponential proliferation of smart devices with their intelligent applications poses severe challenges on conventional cellular networks. Such challenges can be potentially overcome by integrating communication, computing, caching, and control (i4C) technologies. In this survey, we first give a snapshot of different aspects of the i4C, comprising background, motivation, leading technological enablers, potential applications, and use cases. Next, we describe different models of communication, computing, caching, and control (4C) to lay the foundation of the integration approach. We review current state-of-the-art research efforts related to the i4C, focusing on recent trends of both conventional and artificial intelligence (AI)-based integration approaches. We also highlight the need for intelligence in resources integration. Then, we discuss integration of sensing and communication (ISAC) and classify the integration approaches into various classes. Finally, we propose open challenges and present future research directions for beyond 5G networks, such as 6G.
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使用人工智能(AI)赋予无线网络中数据量的前所未有的数据量激增,为提供无处不在的数据驱动智能服务而开辟了新的视野。通过集中收集数据集和培训模型来实现传统的云彩中心学习(ML)基础的服务。然而,这种传统的训练技术包括两个挑战:(i)由于数据通信增加而导致的高通信和能源成本,(ii)通过允许不受信任的各方利用这些信息来威胁数据隐私。最近,鉴于这些限制,一种新兴的新兴技术,包括联合学习(FL),以使ML带到无线网络的边缘。通过以分布式方式培训全局模型,可以通过FL Server策划的全局模型来提取数据孤岛的好处。 FL利用分散的数据集和参与客户的计算资源,在不影响数据隐私的情况下开发广义ML模型。在本文中,我们介绍了对FL的基本面和能够实现技术的全面调查。此外,提出了一个广泛的研究,详细说明了无线网络中的流体的各种应用,并突出了他们的挑战和局限性。进一步探索了FL的疗效,其新兴的前瞻性超出了第五代(B5G)和第六代(6G)通信系统。本调查的目的是在关键的无线技术中概述了流动的技术,这些技术将作为建立对该主题的坚定了解的基础。最后,我们向未来的研究方向提供前进的道路。
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随着人工智能(AI)的积极发展,基于深神经网络(DNN)的智能应用会改变人们的生活方式和生产效率。但是,从网络边缘生成的大量计算和数据成为主要的瓶颈,传统的基于云的计算模式无法满足实时处理任务的要求。为了解决上述问题,通过将AI模型训练和推理功能嵌入网络边缘,Edge Intelligence(EI)成为AI领域的尖端方向。此外,云,边缘和终端设备之间的协作DNN推断提供了一种有希望的方法来增强EI。然而,目前,以EI为导向的协作DNN推断仍处于早期阶段,缺乏对现有研究工作的系统分类和讨论。因此,我们已经对有关以EI为导向的协作DNN推断的最新研究进行了全面调查。在本文中,我们首先回顾了EI的背景和动机。然后,我们为EI分类了四个典型的DNN推理范例,并分析其特征和关键技术。最后,我们总结了协作DNN推断的当前挑战,讨论未来的发展趋势并提供未来的研究方向。
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Video, as a key driver in the global explosion of digital information, can create tremendous benefits for human society. Governments and enterprises are deploying innumerable cameras for a variety of applications, e.g., law enforcement, emergency management, traffic control, and security surveillance, all facilitated by video analytics (VA). This trend is spurred by the rapid advancement of deep learning (DL), which enables more precise models for object classification, detection, and tracking. Meanwhile, with the proliferation of Internet-connected devices, massive amounts of data are generated daily, overwhelming the cloud. Edge computing, an emerging paradigm that moves workloads and services from the network core to the network edge, has been widely recognized as a promising solution. The resulting new intersection, edge video analytics (EVA), begins to attract widespread attention. Nevertheless, only a few loosely-related surveys exist on this topic. A dedicated venue for collecting and summarizing the latest advances of EVA is highly desired by the community. Besides, the basic concepts of EVA (e.g., definition, architectures, etc.) are ambiguous and neglected by these surveys due to the rapid development of this domain. A thorough clarification is needed to facilitate a consensus on these concepts. To fill in these gaps, we conduct a comprehensive survey of the recent efforts on EVA. In this paper, we first review the fundamentals of edge computing, followed by an overview of VA. The EVA system and its enabling techniques are discussed next. In addition, we introduce prevalent frameworks and datasets to aid future researchers in the development of EVA systems. Finally, we discuss existing challenges and foresee future research directions. We believe this survey will help readers comprehend the relationship between VA and edge computing, and spark new ideas on EVA.
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Filming sport videos from an aerial view has always been a hard and an expensive task to achieve, especially in sports that require a wide open area for its normal development or the ones that put in danger human safety. Recently, a new solution arose for aerial filming based on the use of Unmanned Aerial Vehicles (UAVs), which is substantially cheaper than traditional aerial filming solutions that require conventional aircrafts like helicopters or complex structures for wide mobility. In this paper, we describe the design process followed for building a customized UAV suitable for sports aerial filming. The process includes the requirements definition, technical sizing and selection of mechanical, hardware and software technologies, as well as the whole integration and operation settings. One of the goals is to develop technologies allowing to build low cost UAVs and to manage them for a wide range of usage scenarios while achieving high levels of flexibility and automation. This work also shows some technical issues found during the development of the UAV as well as the solutions implemented.
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Explainable Artificial Intelligence (XAI) is transforming the field of Artificial Intelligence (AI) by enhancing the trust of end-users in machines. As the number of connected devices keeps on growing, the Internet of Things (IoT) market needs to be trustworthy for the end-users. However, existing literature still lacks a systematic and comprehensive survey work on the use of XAI for IoT. To bridge this lacking, in this paper, we address the XAI frameworks with a focus on their characteristics and support for IoT. We illustrate the widely-used XAI services for IoT applications, such as security enhancement, Internet of Medical Things (IoMT), Industrial IoT (IIoT), and Internet of City Things (IoCT). We also suggest the implementation choice of XAI models over IoT systems in these applications with appropriate examples and summarize the key inferences for future works. Moreover, we present the cutting-edge development in edge XAI structures and the support of sixth-generation (6G) communication services for IoT applications, along with key inferences. In a nutshell, this paper constitutes the first holistic compilation on the development of XAI-based frameworks tailored for the demands of future IoT use cases.
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随着数据生成越来越多地在没有连接连接的设备上进行,因此与机器学习(ML)相关的流量将在无线网络中无处不在。许多研究表明,传统的无线协议高效或不可持续以支持ML,这创造了对新的无线通信方法的需求。在这项调查中,我们对最先进的无线方法进行了详尽的审查,这些方法是专门设计用于支持分布式数据集的ML服务的。当前,文献中有两个明确的主题,模拟的无线计算和针对ML优化的数字无线电资源管理。这项调查对这些方法进行了全面的介绍,回顾了最重要的作品,突出了开放问题并讨论了应用程序方案。
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In recent years, mobile devices are equipped with increasingly advanced sensing and computing capabilities. Coupled with advancements in Deep Learning (DL), this opens up countless possibilities for meaningful applications, e.g., for medical purposes and in vehicular networks. Traditional cloudbased Machine Learning (ML) approaches require the data to be centralized in a cloud server or data center. However, this results in critical issues related to unacceptable latency and communication inefficiency. To this end, Mobile Edge Computing (MEC) has been proposed to bring intelligence closer to the edge, where data is produced. However, conventional enabling technologies for ML at mobile edge networks still require personal data to be shared with external parties, e.g., edge servers. Recently, in light of increasingly stringent data privacy legislations and growing privacy concerns, the concept of Federated Learning (FL) has been introduced. In FL, end devices use their local data to train an ML model required by the server. The end devices then send the model updates rather than raw data to the server for aggregation. FL can serve as an enabling technology in mobile edge networks since it enables the collaborative training of an ML model and also enables DL for mobile edge network optimization. However, in a large-scale and complex mobile edge network, heterogeneous devices with varying constraints are involved. This raises challenges of communication costs, resource allocation, and privacy and security in the implementation of FL at scale. In this survey, we begin with an introduction to the background and fundamentals of FL. Then, we highlight the aforementioned challenges of FL implementation and review existing solutions. Furthermore, we present the applications of FL for mobile edge network optimization. Finally, we discuss the important challenges and future research directions in FL.
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本文介绍了一个测试台,以研究表现出群体智能的无人机(UAV)的分布式传感问题。几种智能城市应用程序,例如运输和灾难响应,需要通过一群智能和合作的无人机有效地收集传感器数据。事实证明,对于系统和严格研究而没有损害规模,现实主义和外部有效性,这通常被证明太复杂且昂贵。借助拟议的测试床,本文设置了一个垫脚石,以在小实验室空间内模仿,源自经验数据和仿真模型的大型感应区域。在此感应地图上,一群低成本的无人机可以飞行,从而可以研究各种问题,例如能源消耗,充电控制,导航和避免碰撞。分散的多代理集体学习算法(EPO)适用于无人机群智能以及对功耗测量的评估提供了概念验证,并验证了拟议的测试台的准确性。
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纳米大小的无人机具有探索未知和复杂环境的巨大潜力。它们的尺寸很小,使它们敏捷且安全地靠近人类,并使他们能够穿过狭窄的空间。但是,它们的尺寸很小和有效载荷限制了板载计算和传感的可能性,从而使完全自主的飞行极具挑战性。迈向完全自主权的第一步是可靠的避免障碍,这在通用的室内环境中被证明在技术上具有挑战性。当前的方法利用基于视觉或一维传感器来支持纳米无人机感知算法。这项工作为基于新颖的毫米尺寸64像素多区域飞行时间(TOF)传感器和通用的无模型控制策略提供了轻巧的避免障碍系统。报告的现场测试基于Crazyflie 2.1,该测试由定制的多区TOF甲板扩展,总质量为35克。该算法仅使用0.3%的车载处理能力(210US执行时间),帧速率为15fps,为许多未来应用提供了绝佳的基础。运行提出的感知系统(包括抬起和操作传感器)所需的总无人机功率不到10%。在通用且以前未开发的室内环境中,提出的自动纳米大小无人机以0.5m/s的速度达到100%可靠性。所提出的系统释放出具有广泛数据集的开源,包括TOF和灰度摄像头数据,并与运动捕获中的无人机位置地面真相结合在一起。
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在过去的十年中,自动驾驶航空运输车辆引起了重大兴趣。这是通过空中操纵器和新颖的握手的技术进步来实现这一目标的。此外,改进的控制方案和车辆动力学能够更好地对有效载荷进行建模和改进的感知算法,以检测无人机(UAV)环境中的关键特征。在这项调查中,对自动空中递送车辆的技术进步和开放研究问题进行了系统的审查。首先,详细讨论了各种类型的操纵器和握手,以及动态建模和控制方法。然后,讨论了降落在静态和动态平台上的。随后,诸如天气状况,州估计和避免碰撞之类的风险以确保安全过境。最后,调查了交付的UAV路由,该路由将主题分为两个领域:无人机操作和无人机合作操作。
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智能物联网环境(iiote)由可以协作执行半自动的IOT应用的异构装置,其示例包括高度自动化的制造单元或自主交互收获机器。能量效率是这种边缘环境中的关键,因为它们通常基于由无线和电池运行设备组成的基础设施,例如电子拖拉机,无人机,自动引导车辆(AGV)S和机器人。总能源消耗从多种技术技术汲取贡献,使得能够实现边缘计算和通信,分布式学习以及分布式分区和智能合同。本文提供了本技术的最先进的概述,并说明了它们的功能和性能,特别关注资源,延迟,隐私和能源消耗之间的权衡。最后,本文提供了一种在节能IIOTE和路线图中集成这些能力技术的愿景,以解决开放的研究挑战
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Utilizing autonomous drones or unmanned aerial vehicles (UAVs) has shown great advantages over preceding methods in support of urgent scenarios such as search and rescue (SAR) and wildfire detection. In these operations, search efficiency in terms of the amount of time spent to find the target is crucial since with the passing of time the survivability of the missing person decreases or wildfire management becomes more difficult with disastrous consequences. In this work, it is considered a scenario where a drone is intended to search and detect a missing person (e.g., a hiker or a mountaineer) or a potential fire spot in a given area. In order to obtain the shortest path to the target, a general framework is provided to model the problem of target detection when the target's location is probabilistically known. To this end, two algorithms are proposed: Path planning and target detection. The path planning algorithm is based on Bayesian inference and the target detection is accomplished by means of a residual neural network (ResNet) trained on the image dataset captured by the drone as well as existing pictures and datasets on the web. Through simulation and experiment, the proposed path planning algorithm is compared with two benchmark algorithms. It is shown that the proposed algorithm significantly decreases the average time of the mission.
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雇用无人驾驶航空公司(无人机)吸引了日益增长的兴趣,并成为互联网(物联网)网络中的数据收集技术的最先进技术。在本文中,目的是最大限度地减少UAV-IOT系统的总能耗,我们制定了联合设计了UAV的轨迹和选择IOT网络中的群集头作为受约束的组合优化问题的问题,该问题被归类为NP-努力解决。我们提出了一种新的深度加强学习(DRL),其具有顺序模型策略,可以通过无监督方式有效地学习由UAV的轨迹设计来实现由序列到序列神经网络表示的策略。通过广泛的模拟,所获得的结果表明,与其他基线算法相比,所提出的DRL方法可以找到无人机的轨迹,这些轨迹需要更少的能量消耗,并实现近乎最佳性能。此外,仿真结果表明,我们所提出的DRL算法的训练模型具有出色的概括能力,对更大的问题尺寸而没有必要恢复模型。
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随着物联网(IoT)和5G/6G无线通信的进步,近年来,移动计算的范式已经显着发展,从集中式移动云计算到分布式雾计算和移动边缘计算(MEC)。 MEC将计算密集型任务推向网络的边缘,并将资源尽可能接近端点,以解决有关存储空间,资源优化,计算性能和效率方面的移动设备缺点。与云计算相比,作为分布式和更紧密的基础架构,MEC与其他新兴技术的收敛性,包括元元,6G无线通信,人工智能(AI)和区块链,也解决了网络资源分配的问题,更多的网络负载,更多的网络负载,以及延迟要求。因此,本文研究了用于满足现代应用程序严格要求的计算范例。提供了MEC在移动增强现实(MAR)中的应用程序方案。此外,这项调查提出了基于MEC的元元的动机,并将MEC的应用介绍给了元元。特别强调上述一组技术融合,例如6G具有MEC范式,通过区块链加强MEC等。
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With the increasing growth of information through smart devices, increasing the quality level of human life requires various computational paradigms presentation including the Internet of Things, fog, and cloud. Between these three paradigms, the cloud computing paradigm as an emerging technology adds cloud layer services to the edge of the network so that resource allocation operations occur close to the end-user to reduce resource processing time and network traffic overhead. Hence, the resource allocation problem for its providers in terms of presenting a suitable platform, by using computational paradigms is considered a challenge. In general, resource allocation approaches are divided into two methods, including auction-based methods(goal, increase profits for service providers-increase user satisfaction and usability) and optimization-based methods(energy, cost, network exploitation, Runtime, reduction of time delay). In this paper, according to the latest scientific achievements, a comprehensive literature study (CLS) on artificial intelligence methods based on resource allocation optimization without considering auction-based methods in various computing environments are provided such as cloud computing, Vehicular Fog Computing, wireless, IoT, vehicular networks, 5G networks, vehicular cloud architecture,machine-to-machine communication(M2M),Train-to-Train(T2T) communication network, Peer-to-Peer(P2P) network. Since deep learning methods based on artificial intelligence are used as the most important methods in resource allocation problems; Therefore, in this paper, resource allocation approaches based on deep learning are also used in the mentioned computational environments such as deep reinforcement learning, Q-learning technique, reinforcement learning, online learning, and also Classical learning methods such as Bayesian learning, Cummins clustering, Markov decision process.
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研究界,工业和社会中地面移动机器人(MRS)和无人机(UAV)的重要性正在迅速发展。如今,这些代理中的许多代理都配备了通信系统,在某些情况下,对于成功完成某些任务至关重要。在这种情况下,我们已经开始见证在机器人技术和通信的交集中开发一个新的跨学科研究领域。该研究领域的意图是将无人机集成到5G和6G通信网络中。这项研究无疑将在不久的将来导致许多重要的应用。然而,该研究领域发展的主要障碍之一是,大多数研究人员通过过度简化机器人技术或通信方面来解决这些问题。这阻碍了达到这个新的跨学科研究领域的全部潜力的能力。在本教程中,我们介绍了一些建模工具,从跨学科的角度来解决涉及机器人技术和通信的问题所需的一些建模工具。作为此类问题的说明性示例,我们将重点放在本教程上,讨论通信感知轨迹计划的问题。
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In this tutorial paper, we look into the evolution and prospect of network architecture and propose a novel conceptual architecture for the 6th generation (6G) networks. The proposed architecture has two key elements, i.e., holistic network virtualization and pervasive artificial intelligence (AI). The holistic network virtualization consists of network slicing and digital twin, from the aspects of service provision and service demand, respectively, to incorporate service-centric and user-centric networking. The pervasive network intelligence integrates AI into future networks from the perspectives of networking for AI and AI for networking, respectively. Building on holistic network virtualization and pervasive network intelligence, the proposed architecture can facilitate three types of interplay, i.e., the interplay between digital twin and network slicing paradigms, between model-driven and data-driven methods for network management, and between virtualization and AI, to maximize the flexibility, scalability, adaptivity, and intelligence for 6G networks. We also identify challenges and open issues related to the proposed architecture. By providing our vision, we aim to inspire further discussions and developments on the potential architecture of 6G.
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