Frontiers in Communications and Networks最新文献_第2页

User centric metrics for a realistic assessment of broadband services 以用户为中心的指标，用于宽带服务的现实评估

Frontiers in Communications and Networks Pub Date : 2023-10-11 DOI: 10.3389/frcmn.2023.1243047

Ciprian Popoviciu

引用次数: 0

Public safety network design for broadband wireless access 公共安全网络宽带无线接入设计

Frontiers in Communications and Networks Pub Date : 2023-09-22 DOI: 10.3389/frcmn.2023.1065903

Ahmet Sacid Sümer, Talha Yılmaz, Ebubekir Memisoglu, Arif Akkurt, Hüseyin Arslan

{"title":"Public safety network design for broadband wireless access","authors":"Ahmet Sacid Sümer, Talha Yılmaz, Ebubekir Memisoglu, Arif Akkurt, Hüseyin Arslan","doi":"10.3389/frcmn.2023.1065903","DOIUrl":"https://doi.org/10.3389/frcmn.2023.1065903","url":null,"abstract":"Public protection and disaster relief (PPDR) agencies rely on wireless communications to respond in the event of emergencies. Public safety networks (PSNs) provide the wireless network used by emergency services. PSN is used to support push-to-talk services with some data transmission by employing land mobile radios. However, PPDR agencies are increasingly relying on additional information such as videos that require higher bandwidths. Therefore, many countries are transitioning or integrating their public safety networks with advanced broadband wireless communication systems such as fourth-generation (4G) long-term evolution (LTE) and planning to evolve to fifth-generation (5G) new radio (NR) in the future. The paper investigates infrastructure sharing mechanisms and deployment strategies in the transition of PSNs to a 4G LTE network, including a roadmap for cost analysis. Additionally, the paper examines LTE-based PSN deployment scenarios in various countries and engages in a discussion of the advantages and disadvantages of different sharing mechanisms and coexistence schemes. Finally, the challenges within the Public Safety Broadband Network (PSBN) are addressed and potential future research directions in this domain are deliberated.","PeriodicalId":106247,"journal":{"name":"Frontiers in Communications and Networks","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136016358","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: 0

When ChatGPT goes rogue: exploring the potential cybersecurity threats of AI-powered conversational chatbots 当ChatGPT失控时:探索人工智能会话聊天机器人的潜在网络安全威胁

Frontiers in Communications and Networks Pub Date : 2023-09-04 DOI: 10.3389/frcmn.2023.1220243

Farkhund Iqbal, Faniel Samsom, Faouzi Kamoun, Áine MacDermott

引用次数: 0

Forensic investigation of small-scale digital devices: a futuristic view 小型数字设备的法医调查:未来的观点

Frontiers in Communications and Networks Pub Date : 2023-07-26 DOI: 10.3389/frcmn.2023.1212743

Farkhund Iqbal, Aasia Jaffri, Zainab Khalid, Áine MacDermott, Qazi Ejaz Ali, Patrick C. K. Hung

引用次数: 1

IoT and machine learning for enabling sustainable development goals 物联网和机器学习助力实现可持续发展目标

Frontiers in Communications and Networks Pub Date : 2023-07-03 DOI: 10.3389/frcmn.2023.1219047

Mona Jaber

引用次数: 1

AgRIS: wind-adaptive wideband reconfigurable intelligent surfaces for resilient wireless agricultural networks at millimeter-wave spectrum AgRIS:用于毫米波频谱弹性无线农业网络的风适应宽带可重构智能表面

Frontiers in Communications and Networks Pub Date : 2023-06-19 DOI: 10.3389/frcmn.2023.1169266

Shuai Nie, M. Vuran

{"title":"AgRIS: wind-adaptive wideband reconfigurable intelligent surfaces for resilient wireless agricultural networks at millimeter-wave spectrum","authors":"Shuai Nie, M. Vuran","doi":"10.3389/frcmn.2023.1169266","DOIUrl":"https://doi.org/10.3389/frcmn.2023.1169266","url":null,"abstract":"Wireless networks in agricultural environments are unique in many ways. Recent measurements reveal that the dynamics of crop growth impact wireless propagation channels with a long-term seasonal pattern. Additionally, short-term environmental factors, such as strong wind, result in variations in channel statistics. Next-generation agricultural fields, populated by autonomous tractors, drones, and high-throughput sensing systems, require high-throughput connectivity infrastructure, resulting in the future deployment of high-frequency networks, where they have not been deployed before. More specifically, when millimeter-wave (mmWave) communication systems, a viable candidate for 5G and 6G high-throughput solutions, are deployed for higher throughput, these issues become more prominent due to the relatively small wavelength at this frequency band. To improve coverage in the mmWave spectrum in agricultural settings, reconfigurable intelligent surfaces (RISs) are a promising solution with low energy consumption and high cost efficiency when compared to half-duplex active relays with multiple antennas. To ensure link resiliency under dynamic channel behavior, an adaptive RIS for broadband wireless agricultural networks (AgRIS) at mmWave band is designed in this work. AgRIS relies on output from a time-series model that forecasts the short-term wind speed based on measured wind data, which is readily available in most farms. The temporal correlation between link reliability and wind speed is demonstrated through extensive field experiments. Our simulation results demonstrate that AgRIS with a small footprint of 11 × 11 elements can help mitigate the adversarial effects of wind-induced signal level drop by up to 8 dB and provides high energy efficiency of 1 Gbits/joule.","PeriodicalId":106247,"journal":{"name":"Frontiers in Communications and Networks","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121538947","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: 0

Impact of dielectric substrate on the performance of an 8 × 8 magneto-electric dipole phased array antenna for 5G mmWave applications 介质衬底对5G毫米波应用中8 × 8磁电偶极相控阵天线性能的影响

Frontiers in Communications and Networks Pub Date : 2023-06-05 DOI: 10.3389/frcmn.2023.1135941

W. Y. Yong, A. Alayón Glazunov

{"title":"Impact of dielectric substrate on the performance of an 8 × 8 magneto-electric dipole phased array antenna for 5G mmWave applications","authors":"W. Y. Yong, A. Alayón Glazunov","doi":"10.3389/frcmn.2023.1135941","DOIUrl":"https://doi.org/10.3389/frcmn.2023.1135941","url":null,"abstract":"The impact of the substrate dielectric material on the performance of a wideband magneto-electric dipole (MED) phased array antenna is systematically studied in this article. Four commercially available dielectric substrates for mmWave applications, i.e., Rogers RO 5880, RO 3003, RO 4350B, and Panasonic Megtron-6, are considered in the design investigation of the proposed MED phased array antenna. First, the influence of the dielectric constant on the operating frequency of the unit cell MED antenna is explored in the broadside direction (θ = 0°). Second, the scanning impedance is assessed at various scanning angles for both E- and H-plane scanning. Finally, the radiation performance of the proposed design of a finite 8 × 8 MED phased array antenna is examined. This study gives a foundational understanding of the impact of dielectric characteristics on the performance of MED phased arrays. The analysis revealed that the MED phased array antenna based on substrates with a higher dielectric constant exhibited a smaller scanning angle than the substrate with a lower dielectric constant. The findings may serve as practical guidelines for selecting the dielectric substrates for the 5G mmWave phased array antenna in order to adapt their design to an application’s specifications.","PeriodicalId":106247,"journal":{"name":"Frontiers in Communications and Networks","volume":"194-199 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130699095","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: 0

Network intelligence vs. jamming in underwater networks: how learning can cope with misbehavior 水下网络中的网络智能与干扰:学习如何应对不当行为

Frontiers in Communications and Networks Pub Date : 2023-05-30 DOI: 10.3389/frcmn.2023.1179626

J. Mertens, A. Panebianco, A. Surudhi, N. Prabagarane, L. Galluccio

引用次数: 0

Reconfigurable intelligent surface-enabled integrated sensing and communication: a sensing-assisted communication framework 可重构智能地面集成传感和通信:传感辅助通信框架

Frontiers in Communications and Networks Pub Date : 2023-05-26 DOI: 10.3389/frcmn.2023.1176322

Ziang Yang, Haobo Zhang, Hongliang Zhang, Lingyang Song

{"title":"Reconfigurable intelligent surface-enabled integrated sensing and communication: a sensing-assisted communication framework","authors":"Ziang Yang, Haobo Zhang, Hongliang Zhang, Lingyang Song","doi":"10.3389/frcmn.2023.1176322","DOIUrl":"https://doi.org/10.3389/frcmn.2023.1176322","url":null,"abstract":"Integrated sensing and communication (ISAC) is an essential technology in the upcoming 6G network, and its performance can be effectively enhanced by the reconfigurable intelligent surface (RIS). Among the various RIS-enabled ISAC techniques, RIS-enabled sensing-assisted communication has attracted growing attention because it can effectively improve communication performance by focusing the energy on the sensed locations of the users and is easy to be integrated into existing communication systems. However, existing RIS-enabled sensing-assisted communication systems rely on antenna arrays for the acquisition of angular information to localize the users, making the system more complex and expensive. To handle this problem, in this paper, we propose an RIS-enabled multi-user sensing-assisted communication framework where a single antenna access point (AP) first senses the locations of the single-antenna users with the help of the RIS, and then the energy of the communication signal is focused on the sensed locations of the users to provide them with a higher sum-rate by adjusting the phase shifts of the RIS. However, the selection of the RIS phase shifts heavily influences the resource block and power allocation at the AP, which makes the joint design of the RIS phase shifts and the resource allocation very challenging. In order to address this challenge, we formulate an RIS-enabled multi-user communication optimization problem and design a two-stage optimization algorithm based on the genetic and Lagrangian duality methods to jointly optimize the RIS phase shifts and the resource allocation. Simulation and experimental results show that compared with the scheme without RIS, the proposed RIS-enabled multi-user communication system can achieve a higher sum-rate and lower localization error.","PeriodicalId":106247,"journal":{"name":"Frontiers in Communications and Networks","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130384490","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: 0

Employing automotive security to improve the security of unmanned aerial vehicles 采用汽车安全技术，提高无人机的安全性

Frontiers in Communications and Networks Pub Date : 2023-05-10 DOI: 10.3389/frcmn.2023.1122231

Kyusuk Han

{"title":"Employing automotive security to improve the security of unmanned aerial vehicles","authors":"Kyusuk Han","doi":"10.3389/frcmn.2023.1122231","DOIUrl":"https://doi.org/10.3389/frcmn.2023.1122231","url":null,"abstract":"The concern about cyber threats on unmanned aerial vehicles (UAVs) increases as they become more sophisticated and widely used in various areas. Although there have been efforts to improve the security of UAVs, their focus is limited to physical attacks and securing communication, and many areas remain open to issues. Although a more comprehensive approach is required to improve the overall areas of UAVs, it is reasonable to investigate the case study from the perspective of other similar cyber-physical systems (CPSs). Thus, we see the architectural similarity between UAVs and automobiles. Automotive security has seen significant improvement throughout the last decade as vehicles have begun to have connectivity and autonomy. There have been extensive research and development efforts in various aspects, including securing the components, securing communications, securing software updates, and securing the overall management system to provide multi-layered security for the automotive environments, and standardization and regulations are being issued. Due to the similarity, the employment of ideas from the automotive environments in the UAV environments becomes a reasonable approach. In this paper, we show the automotive security trends and discuss how UAV environments are comparable to automotive environments. We then show how security in automotives is adapted in UAVs with a case study.","PeriodicalId":106247,"journal":{"name":"Frontiers in Communications and Networks","volume":"247 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124721618","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: 0