IET Networks最新文献_第4页

Vasicek and Van Es entropy-based spectrum sensing for cognitive radios 基于熵的认知无线电频谱传感

IF 1.4

IET Networks Pub Date : 2023-07-19 DOI: 10.1049/ntw2.12096

Sutapa Sarkar, R. Muralishankar, Sanjeev Gurugopinath

引用次数: 0

Performance evaluation of a mobile hotspot supporting quasi-random traffic 支持准随机流量的移动热点性能评估

IF 1.4

IET Networks Pub Date : 2023-07-13 DOI: 10.1049/ntw2.12093

Marinos Vlasakis, Ioannis Moscholios, Panagiotis Sarigiannidis, Michael Logothetis

{"title":"Performance evaluation of a mobile hotspot supporting quasi-random traffic","authors":"Marinos Vlasakis, Ioannis Moscholios, Panagiotis Sarigiannidis, Michael Logothetis","doi":"10.1049/ntw2.12093","DOIUrl":"10.1049/ntw2.12093","url":null,"abstract":"The authors study and evaluate a mobility-aware call admission control algorithm in a mobile hotspot. More specifically, a vehicle which has an access point of a fixed capacity and may alternate between stop and moving phases is considered. In the stop phase, the vehicle services new and handover calls. To prioritise handover calls a probabilistic bandwidth reservation policy is considered where a fraction of the capacity is reserved for handover calls. Based on this policy, new calls may enter the reservation space with a predefined probability. In addition, handover calls have the option to wait in a queue of finite size if there are no available resources at the time of their arrival. In the moving phase, the vehicle services only new calls under the classical complete sharing policy. In both phases, calls arrive in the system according to a quasi-random process, require a single bandwidth unit for their acceptance in the system and have an exponentially distributed service time. To analytically determine the various performance measures, such as time congestion probabilities, call blocking probabilities and link utilisation, an accurate analytical method is presented based on three-dimensional Markov chains.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/ntw2.12093","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46574287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal intelligent edge-servers placement in the healthcare field 医疗保健领域的最佳智能边缘服务器布局

IF 1.4

IET Networks Pub Date : 2023-07-09 DOI: 10.1049/ntw2.12097

Ahmed M. Jasim, Hamed Al-Raweshidy

{"title":"Optimal intelligent edge-servers placement in the healthcare field","authors":"Ahmed M. Jasim, Hamed Al-Raweshidy","doi":"10.1049/ntw2.12097","DOIUrl":"10.1049/ntw2.12097","url":null,"abstract":"The efficiency improvement of healthcare systems is a major national goal across the world. However, delivering scalable and reliable healthcare services to people, while managing costs, is a challenging problem. The most promising methods to address this issue are based on smart healthcare (s-health) technologies. Furthermore, the combination of edge computing and s-health can yield additional benefits in terms of delay, bandwidth, power consumption, security, and privacy. However, the strategic placement of edge-servers is crucial to achieve further cost and latency benefits. This article is divided into two parts: an AI-based priority mechanism to identify urgent cases, aimed at improving quality of service and quality of experience is proposed. Then, an optimal edge-servers placement (OESP) algorithm to obtain a cost-efficient architecture with lower delay and complete coverage is presented. The results demonstrate that the proposed priority mechanism algorithms can reduce the latency for patients depending on their number and level of urgency, prioritising those with the greatest need. In addition, the OESP algorithm successfully selects the best sites to deploy edge-servers to achieve a cost-efficient system, with an improvement of more than 80%. In sum, the article introduces an improved healthcare system with commendable performance, enhanced cost-effectiveness, and lower latency.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/ntw2.12097","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57810417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Deploying cloud-native experimental platforms for zero-touch management 5G and beyond networks 为零接触管理5G及其他网络部署云原生实验平台

IF 1.4

IET Networks Pub Date : 2023-07-08 DOI: 10.1049/ntw2.12095

Sergio Barrachina-Muñoz, Rasoul Nikbakht, Jorge Baranda, Miquel Payaró, Josep Mangues-Bafalluy, Panagiotis Kokkinos, Polyzois Soumplis, Aristotelis Kretsis, Emmanouel Varvarigos

引用次数: 0

Anchored self-similar 3D Gauss-Markov mobility model for ad hoc routing scenarios 用于自组织路由场景的锚定自相似三维高斯马尔可夫移动模型

IF 1.4

IET Networks Pub Date : 2023-07-05 DOI: 10.1049/ntw2.12089

George Amponis, Thomas Lagkas, Vasileios Argyriou, Ioannis Moscholios, Maria Zevgara, Savvas Ouzounidis, Panagiotis Sarigiannidis

引用次数: 0

Norm-based spectrum sensing for cognitive radios under generalised Gaussian noise 广义高斯噪声下认知无线电的基于范数的频谱感知

IF 1.4

IET Networks Pub Date : 2023-06-28 DOI: 10.1049/ntw2.12092

Arati Halaki, Sutapa Sarkar, Sanjeev Gurugopinath, Muralishankar R

{"title":"Norm-based spectrum sensing for cognitive radios under generalised Gaussian noise","authors":"Arati Halaki, Sutapa Sarkar, Sanjeev Gurugopinath, Muralishankar R","doi":"10.1049/ntw2.12092","DOIUrl":"10.1049/ntw2.12092","url":null,"abstract":"Cognitive radio (CR) systems are configured to dynamically assess the spectrum utilisation and contribute towards an improved spectrum efficiency. Hence, accurate detection of the incumbent signal in a given channel, popularly known as spectrum sensing (SS), is essential for CR. Here, in the domain of SS, the authors introduce a new goodness-of-fit test (GoFT) founded on p-norm of the observations at the receiver node. To capture the heavy-tailed nature of noise distribution in practical communication channels, the authors utilise generalised Gaussian distribution (GGD) as a noise model. A novel p-norm detector (PND) and a geometric power detector (GPD) is proposed and corresponding probability density function (PDF) under GGD is derived. Via Monte Carlo simulations, the authors show a match of the derived PDFs with the simulation results. Using Neyman-Pearson framework the performances of PND and GPD are compared with an existing differential entropy detector (DED), the well-known energy detector (ED) and joint correlation and energy detector (CED) under GGD noise model. Evaluation of proposed PND and GPD utilising Monte Carlo simulations indicate a superior performance. Further, the experiments employing real-world data establish superiority of the proposed detectors as compared to existing techniques. The authors derive and implement an optimised threshold for PND, providing further improvement in performance.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/ntw2.12092","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44089493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal resource optimisation based on multi-layer monitoring 基于多层监控的最优资源优化

IF 1.4

IET Networks Pub Date : 2023-06-27 DOI: 10.1049/ntw2.12090

Dimitrios Uzunidis, Panagiotis Karkazis, Helen C. Leligou

引用次数: 0

Data security in smart devices: Advancement, constraints and future recommendations 智能设备中的数据安全:进展、限制和未来建议

IF 1.4

IET Networks Pub Date : 2023-06-21 DOI: 10.1049/ntw2.12091

Zhang Wenhua, Mohammad Kamrul Hasan, Ahmad Fadzil Ismail, Zhang Yanke, Md Abdur Razzaque, Shayla Islam, Budati Anil kumar

{"title":"Data security in smart devices: Advancement, constraints and future recommendations","authors":"Zhang Wenhua, Mohammad Kamrul Hasan, Ahmad Fadzil Ismail, Zhang Yanke, Md Abdur Razzaque, Shayla Islam, Budati Anil kumar","doi":"10.1049/ntw2.12091","DOIUrl":"10.1049/ntw2.12091","url":null,"abstract":"Network security protocols are implemented to address network security challenges. Computer networks and applications have advanced and developed significantly in recent years, but consumers ‘excitement for network technology and high-tech devices has been dampened by continual exposure to data security vulnerabilities. As of now, some individuals refuse to use smart devices due to concerns about the authenticity, confidentiality and integrity of data security leaks. This not only prompts Internet service providers to follow market protection mechanisms but also requires software developers to apply appropriate security protocols to protect computer network security. These applications’ dependability and integrity are dependent not just on the effectiveness of cryptographic algorithms, but also on key management protocols. Understanding network security protocols and implementing high-quality standards to govern the transmission of data in the network are critical components of guaranteeing network security. The article explores data security, primarily at the application layer, various attack methods for different network security protocols and highlights the potential security implications. The study also looks at the corresponding, practical security measures and future research prospects for certain kinds of attacks. Finally, some technical challenges that remain unsolved at the time of writing are summarised, and future trends in cybersecurity are discussed.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/ntw2.12091","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46701729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A multi-device user authentication mechanism for Internet of Things 一种用于物联网的多设备用户认证机制

IF 1.4

IET Networks Pub Date : 2023-06-20 DOI: 10.1049/ntw2.12088

Raihan Dewon Eman, Mosarrat Jahan, Upama Kabir

{"title":"A multi-device user authentication mechanism for Internet of Things","authors":"Raihan Dewon Eman, Mosarrat Jahan, Upama Kabir","doi":"10.1049/ntw2.12088","DOIUrl":"https://doi.org/10.1049/ntw2.12088","url":null,"abstract":"The advent of the Internet of Things (IoT) enables different customized services to ease the day-to-day life activities of users by utilizing information attained through the internet connectivity of low-powered sensing devices. Due to device diversity and resource constraints of participating devices, IoT is vulnerable to security attacks. Consequently, authentication is the fundamental measure for using IoT services in the context of network security. IoT devices’ resource captivity makes designing robust and secure authentication mechanisms challenging. Besides, existing user authentication mechanisms are designed assuming a user always accesses an IoT environment using a particular device. However, nowadays, most users employ multiple devices to access the internet; subsequently, it needs an authentication mechanism to handle this diversity. This paper addresses this limitation and proposes a new One-Time Password (OTP)-based user authentication scheme supporting user access from multiple devices in an IoT environment. We verify the proposed scheme using widely used BAN logic, AVISPA tool, and informal security analysis, guaranteeing that our scheme preserves the necessary security features. Comparative performance analysis shows that our scheme achieves comparable computation, storage, and communication costs concerning existing works. Moreover, simulation results demonstrate that the proposed method also sustains satisfactory network performance.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/ntw2.12088","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50138841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A survey on edge and fog nodes' placement methods, techniques, parameters, and constraints 边缘和雾节点的放置方法、技术、参数和约束的综述

IF 1.4

IET Networks Pub Date : 2023-06-05 DOI: 10.1049/ntw2.12087

Samraa Adnan Al-Asadi, Safaa O. Al-Mamory

{"title":"A survey on edge and fog nodes' placement methods, techniques, parameters, and constraints","authors":"Samraa Adnan Al-Asadi, Safaa O. Al-Mamory","doi":"10.1049/ntw2.12087","DOIUrl":"10.1049/ntw2.12087","url":null,"abstract":"Within Edge and Fog computing, edge and fog nodes must be optimally located at the network edge to minimise the network's overall latency. This survey addresses all aspects of these nodes' placement problems. Literature on edge and fog nodes' placement is collected from reputable databases (IEEE Xplore digital library, Scopus, ScienceDirect, and Web of Science) using a search query. Manual search using keywords and the snowball method is also used to get as many related papers as possible. According to defined inclusion criteria, retrieved documents are filtered to 64 articles for eight years (2015–2022). Depending on the optimisation method used, literature is classified into six categories. The first relies on Integer programming, accounting for 20.3% (13/64). The second category depends on heuristic and metaheuristic methods, accounting for 20.3% (13/64). The third category depends on hybrid methods between the two aforementioned categories accounting for 18.7% (12/64). Forth category depends on clustering methods, accounting for 11% (7/64). The fifth category depends on reinforcement learning, accounting for 6.3% (4/64). And the final category depends on the hybrid methods between two or more methods mentioned above, accounting for 23.4% (15/64). Papers have been analysed to get information like the optimisation problem, the method used for solving it, considered parameters, objectives, constraints, implementation tools, and evaluation methods.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/ntw2.12087","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49128988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0