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A survey on cognitive radio network attack mitigation using machine learning and blockchain 使用机器学习和区块链的认知无线电网络攻击缓解调查
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-30 DOI: 10.1186/s13638-023-02290-z
I. Evelyn Ezhilarasi, J. Christopher Clement, Joseph M. Arul
Abstract Cognitive radio network is a promising technology to enhance the spectrum utilization and to resolve the spectrum scarcity issues. But the malicious users play havoc with the network during spectrum sensing and demean the network performance. It is mandatory to identify such malicious attacks and address it. There have been many traditional methods to mitigate the cognitive radio network attacks. In this paper, we have surveyed advanced attack mitigation techniques like machine learning, deep learning and blockchain. Thus, by detecting and addressing the malicious activities, the throughput and overall network performance can be improved.
摘要认知无线网络是一种很有前途的提高频谱利用率和解决频谱稀缺问题的技术。但是恶意用户在频谱感知过程中会对网络造成破坏,降低网络性能。必须识别此类恶意攻击并加以解决。传统的防御认知无线网络攻击的方法有很多。在本文中,我们调查了先进的攻击缓解技术,如机器学习,深度学习和区块链。因此,通过检测和寻址恶意活动,可以提高吞吐量和整体网络性能。
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引用次数: 0
A novel machine learning-based framework for channel bandwidth allocation and optimization in distributed computing environments 一种新的基于机器学习的分布式计算环境下信道带宽分配与优化框架
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-28 DOI: 10.1186/s13638-023-02310-y
Miaoxin Xu
Abstract Efficient utilization of network resources, particularly channel bandwidth allocation, is critical for optimizing the overall system performance and ensuring fair resource allocation among multiple distributed computing nodes. Traditional methods for channel bandwidth allocation, based on fixed allocation schemes or static heuristics, often need more adaptability to dynamic changes in the network and may not fully exploit the system’s potential. To address these limitations, we employ reinforcement learning algorithms to learn optimal channel allocation policies by intermingling with the environment and getting feedback on the outcomes of their actions. This allows devices to adapt to changing network conditions and optimize resource usage. Our proposed framework is experimentally evaluated through simulation experiments. The results demonstrate that the framework consistently achieves higher system throughput than conventional static allocation methods and state-of-the-art bandwidth allocation techniques. It also exhibits lower latency values, indicating faster data transmission and reduced communication delays. Additionally, the hybrid approach shows improved resource utilization efficiency, efficiently leveraging the strengths of both Q-learning and reinforcement learning for optimized resource allocation and management.
高效利用网络资源,特别是信道带宽的分配,是优化系统整体性能和保证多个分布式计算节点间资源公平分配的关键。传统的信道带宽分配方法,基于固定分配方案或静态启发式,往往需要更强的适应网络的动态变化,可能不能充分发挥系统的潜力。为了解决这些限制,我们采用强化学习算法,通过与环境混合并获得对其行为结果的反馈来学习最佳信道分配策略。这允许设备适应不断变化的网络条件并优化资源使用。通过模拟实验对我们提出的框架进行了实验评估。结果表明,该框架始终比传统的静态分配方法和最先进的带宽分配技术实现更高的系统吞吐量。它还显示更低的延迟值,表明更快的数据传输和更少的通信延迟。此外,混合方法提高了资源利用效率,有效地利用了q学习和强化学习的优势来优化资源分配和管理。
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引用次数: 0
The optimization of the number of deployed antennas in large-scale CL-DAS for energy efficiency 大规模CL-DAS中部署天线数量的优化以提高能效
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-25 DOI: 10.1186/s13638-023-02308-6
Yonggue Han, Dongkyu Sim
Abstract We consider the deployment of a large-scale circular layout-distributed antenna system. To maximize energy efficiency, we define the optimization problem with the approximated analysis and find the number of deployed antennas as a closed-form solution. In simulation results, we verify that the analysis based on approximation is accurate and the closed-form solution can achieve near-optimal energy efficiency without an exhaustive search method.
摘要:本文研究了一种大型圆形布局分布式天线系统的部署。为了最大限度地提高能源效率,我们用近似分析定义了优化问题,并将部署的天线数量作为封闭形式的解决方案。仿真结果验证了基于近似的分析是准确的,闭式解无需穷举搜索方法即可达到接近最优的能效。
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引用次数: 0
A novel model for representing a plane target and finding the worst-case coverage in wireless sensor network based on Clifford algebra 提出了一种基于Clifford代数的无线传感器网络中平面目标表示和最坏情况覆盖的新模型
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-19 DOI: 10.1186/s13638-023-02301-z
Amr M. Mahfouz, Ahmed S. Ismail, Wageda I. El Sobky, Hany Nasry
Abstract Wireless ad hoc sensor networks have recently emerged as a premier research topic. They have great long-term economic potential and ability to transform our lives and pose many new system building challenges. Sensor networks also pose a number of new conceptual and optimization problems. Most of researches in wireless sensor networks are focused in obtaining better target coverage in order to reduce energy and cost of the network. The problem of planar target analysis is one of the crucial problems that should be considered while studying coverage problem of sensor networks. By combining computational geometry and graph theoretic techniques, specifically the Voronoi diagram and graph search algorithms, this paper introduces a novel sensor network coverage model that deals with plane target problem based on Clifford algebra which is a powerful tool that is coordinate free. Also, the calculations of the node coverage rate for the plane target in the sensor network using Clifford algebra are presented. Then, the maximum clearance path (worst-case coverage) of the sensor network for a plane target is proposed. The optimality and reliability of the proposed algorithm have been proved using simulation. Also, a comparison between the breach weight of the point target and the plane target is provided.
无线自组织传感器网络是近年来兴起的一个重要研究课题。它们具有巨大的长期经济潜力和改变我们生活的能力,并提出了许多新的制度建设挑战。传感器网络也提出了一些新的概念和优化问题。无线传感器网络的研究大多集中在如何获得更好的目标覆盖上,以降低网络的能量和成本。平面目标分析问题是研究传感器网络覆盖问题时需要考虑的关键问题之一。本文结合计算几何和图论技术,特别是Voronoi图和图搜索算法,提出了一种基于Clifford代数的新型传感器网络覆盖模型,该模型处理平面目标问题,是一种强大的无坐标工具。并利用Clifford代数计算了传感器网络中平面目标的节点覆盖率。然后,提出了平面目标传感器网络的最大间隙路径(最坏覆盖率)。通过仿真验证了该算法的最优性和可靠性。此外,还提供了点目标与平面目标的缺口重量的比较。
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引用次数: 0
Dynamic access control method for SDP-based network environments 基于sdp的网络环境的动态访问控制方法
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-18 DOI: 10.1186/s13638-023-02305-9
Hyunjin You, Doochan Ko, Daniel Kim, Richard Wong, Inwhee Joe
Abstract With online work environments and other distributed computing systems—such as cloud technologies or Internet of Things systems—becoming increasingly popular today due to the COVID-19 pandemic and general technological advances, the question of how to keep them secure has also become a pertinent concern. With this increased dependence on online systems for companies, cyberattacks have also been on the rise. To protect terminal devices, many companies have resorted to implementing a single boundary-defense model. This method has yielded positive results in securing the network from external threats, but it does not effectively protect network from internal security threats. With the vulnerabilities in the internal network security in mind, a dynamic access control method used with a zero-trust software-defined perimeter security model could be a viable solution. This study proposes a dynamic access control method using an engine with a new reward and penalty point-based system (RP Engine) and a dynamic task engine (DT Engine) for a zero-trust SDP security model.
随着新型冠状病毒病疫情和技术进步,在线工作环境和其他分布式计算系统(如云技术或物联网系统)越来越受欢迎,如何保证其安全也成为人们关注的问题。随着企业对在线系统的依赖日益增加,网络攻击也呈上升趋势。为了保护终端设备,许多公司采用了单一的边界防御模式。该方法在保护网络免受外部威胁方面取得了积极效果,但不能有效保护网络免受内部安全威胁。考虑到内部网络安全中的漏洞,使用零信任软件定义的边界安全模型的动态访问控制方法可能是一种可行的解决方案。针对零信任SDP安全模型,提出了一种基于奖罚积分的动态访问控制方法(RP engine)和动态任务引擎(DT engine)。
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引用次数: 0
Joint trajectory and CoMP clustering optimization in UAV-assisted cellular systems: a coalition formation game approach 无人机辅助蜂窝系统中的联合轨迹和CoMP聚类优化:一种联盟形成博弈方法
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-14 DOI: 10.1186/s13638-023-02302-y
Mostafa M. Abdelhakam, Mahmoud M. Elmesalawy, Ibrahim I. Ibrahim, Samir G. Sayed
Abstract In this paper, the flexibility of unmanned aerial vehicles (UAVs), as well as the benefits of coordinated multi-point (CoMP) transmission, are utilized for mitigating the interference in cellular networks. Specifically, the joint problem of CoMP clusters and UAVs’ trajectories is addressed for downlink transmission in a UAV-assisted cellular system. The problem is presented as a non-convex optimization problem that aims to maximize the sum rate of the ground users by taking into account the clustering, UAV mobility and backhaul capacity constraints. Since the formulated problem is known to be NP-hard, we partition it into two sub-problems. Particularly, by using coalitional game theory, the CoMP clusters are obtained with a given UAVs’ trajectories. Then, UAVs’ trajectories are optimized with given CoMP clusters using successive convex approximation technique. Based on the block coordinate descent method, the two sub-problems are solved alternatively until convergence. Numerical results are conducted and demonstrated the effectiveness of the proposed algorithm.
摘要:本文利用无人机的灵活性和多点协调传输的优势来缓解蜂窝网络中的干扰。具体来说,针对无人机辅助蜂窝系统的下行传输,研究了CoMP集群与无人机轨迹的联合问题。该问题是一个考虑聚类、无人机机动性和回程容量约束的非凸优化问题,其目标是最大化地面用户的总和率。由于已知公式问题是np困难的,我们将其划分为两个子问题。特别地,利用联合博弈论,在给定的无人机轨迹下,得到了CoMP集群。然后,利用连续凸逼近技术对给定的CoMP簇进行轨迹优化。基于分块坐标下降法,交替求解两个子问题直至收敛。数值结果验证了该算法的有效性。
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引用次数: 1
Residual energy maximization for NOMA-enabled UAV-assisted data collection network: trajectory optimization and resource allocation 基于noma的无人机辅助数据采集网络剩余能量最大化:轨迹优化和资源分配
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-13 DOI: 10.1186/s13638-023-02307-7
Yu Du, Yijun Guo, Jianjun Hao, Hao Zhu
Abstract In this paper, we concentrate on a non-orthogonal multiple access (NOMA)-enabled UAV data collection network for Internet of Things devices (IoTDs), where a unmanned aerial vehicle (UAV) is deployed as an aerial base station. During its flight period, the UAV can collect data from IoTDs and take advantage of the simultaneous wireless information and power transfer technology to charge the batteries of IoTDs. With the aid of NOMA, spectrum efficiency has been improved. We aim to prolong the lifetime of the IoT network, via jointly optimizing the UAV trajectory, the time allocation for information communication and wireless power transfer, the IoTDs’ transmit power, as well as the IoTDs’ group scheduling for NOMA. Then, we use the block coordinate decent and successive convex approximation techniques to tackle the non-convexity of the formulated problem. Numerical results show that the proposed solution increases the residual energy of the IoTDs, thus prolonging the lifetime of the network.
在本文中,我们重点研究了用于物联网设备(iotd)的非正交多址(NOMA)无人机数据采集网络,其中无人驾驶飞行器(UAV)被部署为空中基站。在其飞行期间,无人机可以收集物联网设备的数据,并利用同步无线信息和电力传输技术为物联网设备的电池充电。借助NOMA,提高了频谱效率。我们的目标是通过共同优化无人机轨迹、信息通信和无线电力传输的时间分配、物联网设备的发射功率以及物联网设备对NOMA的群调度来延长物联网网络的寿命。然后,我们使用块坐标体面和连续凸逼近技术来处理公式化问题的非凸性。数值结果表明,该方案增加了iotd的剩余能量,从而延长了网络的寿命。
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引用次数: 0
Energy efficiency maximization for UAV-enabled amplify-and-forward relaying via joint power and trajectory optimization 通过联合功率和轨迹优化实现无人机放大和转发中继的能源效率最大化
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-13 DOI: 10.1186/s13638-023-02304-w
Lili Guo, Shibing Zhang, Xiaodong Ji, Senyi Shi
Abstract This paper investigates an optimization problem corresponding to energy efficiency maximization of an unmanned aerial vehicle (UAV)-enabled relaying system, where a fixed-wing UAV acts as an amplify-and-forward mobile relay to assist data transmission between a source node and a destination node. On the premise of satisfying the speed and acceleration constraints of the UAV, the energy efficiency (EE) of the relaying system is maximized by jointly optimizing the UAV’s trajectory and the individual transmit power levels of the source and the UAV relay. The initial joint optimization problem is non-convex and cannot be solved directly. Therefore, the joint optimization problem is decomposed into two sub-problems which are solved by applying the successive convex approximation technique and the Dinkelbach’s algorithm. On this basis, an efficient iterative algorithm is proposed to tackle the joint optimization problem through the block coordinate descent technique. Simulation results demonstrated that by conducting the proposed algorithm, the flight trajectory of the UAV and the individual transmit power levels of the nodes can be flexibly adjusted according to the system conditions, and the proposed algorithm contributes to the higher EE compared with the benchmark schemes.
摘要研究了一种基于无人机(UAV)的中继系统的能效最大化优化问题,其中固定翼无人机作为放大前向移动中继,辅助源节点和目的节点之间的数据传输。在满足无人机速度和加速度约束的前提下,通过联合优化无人机的飞行轨迹以及源和无人机继电器各自的发射功率水平,实现继电系统的能效最大化。初始节点优化问题是非凸的,不能直接求解。为此,将联合优化问题分解为两个子问题,分别采用逐次凸逼近技术和Dinkelbach算法进行求解。在此基础上,提出了一种有效的迭代算法,通过块坐标下降技术来解决联合优化问题。仿真结果表明,该算法可根据系统情况灵活调整无人机的飞行轨迹和各节点的发射功率电平,与基准方案相比具有更高的EE。
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引用次数: 0
Energy efficient resource allocation for re-configurable intelligent surface-assisted wireless networks 可重构智能地面辅助无线网络的节能资源分配
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-05 DOI: 10.1186/s13638-023-02296-7
Samaneh Bidabadi, Messaoud Ahmed Ouameur, Miloud Bagaa, Daniel Massicotte
Abstract This paper focuses on energy-efficient resource allocation in reconfigurable intelligent surface (RIS)-assisted multiple-input-single-output (MISO) communication systems. Specifically, it revisits the solution to the energy efficiency (EE) problem using the alternating optimization (AO) approach. In each AO iteration, the RIS phase optimization is achieved using the gradient descent method, which unfortunately does not guarantee convergence. To overcome this limitation, we propose two alternatives: the Wolfe-based gradient-descent (GAW) EE maximization Algorithm and the trust region (TR)-based EE maximization algorithm. Additionally, we use Dinkelbach’s algorithm to obtain the optimal transmit power allocation. Our results demonstrate that the proposed methods outperform the existing approach that uses sequential fractional programming (SFP) for phase optimization and the traditional relay-based method.
摘要本文主要研究可重构智能曲面(RIS)辅助多输入单输出(MISO)通信系统中的节能资源配置问题。具体来说,它使用交替优化(AO)方法重新审视了能源效率(EE)问题的解决方案。在每次AO迭代中,RIS相位优化使用梯度下降法实现,不幸的是,这种方法不能保证收敛性。为了克服这一限制,我们提出了两种替代方案:基于wolfe的梯度下降(GAW) EE最大化算法和基于信任域(TR)的EE最大化算法。此外,我们使用Dinkelbach算法来获得最优的发射功率分配。结果表明,该方法优于现有的顺序分数规划(SFP)相位优化方法和传统的基于继电器的相位优化方法。
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引用次数: 0
Retraction Note: Investigation of the evaluation system of SMEs’ industrial cluster management performance based on wireless network development 基于无线网络发展的中小企业产业集群管理绩效评价体系研究
4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-01-18 DOI: 10.1186/s13638-023-02223-w
Jiang Lan, Wang Chengjun, Zhang Wei
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引用次数: 0
期刊
EURASIP Journal on Wireless Communications and Networking
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