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2022 16th European Conference on Antennas and Propagation (EuCAP)最新文献

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Directional analysis of jamming attack for connected vehicular platoons 车联网排干扰攻击的定向分析
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9768898
R. Valiente, L. Montero, C. Ballesteros, L. Jofre
{"title":"Directional analysis of jamming attack for connected vehicular platoons","authors":"R. Valiente, L. Montero, C. Ballesteros, L. Jofre","doi":"10.23919/eucap53622.2022.9768898","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9768898","url":null,"abstract":"Nowadays, one of the most promising developments for a safer and more sustainable mobility is the Connected and Autonomous Vehicle (CAV), where the Advanced Driving Systems (ADAS) and connectivity cooperate and take advantage of each other. The Cooperative Adaptive Cruise Control (CACC) might be one of the beneficiaries of such collaboration, being in turn the key enabler of platooning. While this cooperation improves safety and driving efficiency, it also opens the door to increasingly sophisticated cyberattacks. This paper analyses a CACC based platoon model approach in which communication is vulnerable to jamming attack. Jamming attack refers to to an unwanted signal radiated by a malicious device intended to impair the quality of an operating link. Two different platooning variants are compared taking diverse scenarios into account. The presented approach shows how platooning can be susceptible to cyberattacks and some directional measures to mitigate it are proposed.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"168 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116318097","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: 2
On the use of Leaky-Wave Antennas for Amplitude Monopulse Comparison 漏波天线在幅值单脉冲比较中的应用
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769609
Alejandro Gil-Martínez, M. Poveda-García, D. Cañete-Rebenaque, J. Gómez-Tornero
{"title":"On the use of Leaky-Wave Antennas for Amplitude Monopulse Comparison","authors":"Alejandro Gil-Martínez, M. Poveda-García, D. Cañete-Rebenaque, J. Gómez-Tornero","doi":"10.23919/eucap53622.2022.9769609","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769609","url":null,"abstract":"The performance of a single bidirectionally-fed scanning leaky-wave antennas for low-cost amplitude monopulse synthesis, is compared to the more conventional use of two tilted antennas. The main advantages and drawbacks are demonstrated in detail with a practical design for direction finding in the 2.4 GHz ISM band. It is demonstrated that leaky-wave antennas offer a much more compact design, which reduces the near-field zone for proximity sensing. However, the frequency beam-squinting must be considered for accurate performance in the entire operational bandwidth.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114017437","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: 3
A Dual-Polarized Dual-Band Flat-Top Pattern 5G mm-Wave Array Antenna 一种双极化双频平顶图5G毫米波阵列天线
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769190
J. Wettergren, Xinxin Yang, Per Landin
{"title":"A Dual-Polarized Dual-Band Flat-Top Pattern 5G mm-Wave Array Antenna","authors":"J. Wettergren, Xinxin Yang, Per Landin","doi":"10.23919/eucap53622.2022.9769190","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769190","url":null,"abstract":"A nine-element antenna array is presented. It has a flat-top radiation pattern and is matched for use in both the 24.25-29.5 GHz and the 37–40 GHz frequency bands for 5G mm-wave systems. The application of this antenna is for use in over-the-air test systems for mm-wave base stations.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127741529","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
3D printed DRA for S-band IoT from Space applications 用于空间应用的s波段物联网3D打印DRA
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9768899
F. Ferrero, T. Nguyen, T. Le Huy, J. Sourice, Romain Faye, Guillaume de Calan
{"title":"3D printed DRA for S-band IoT from Space applications","authors":"F. Ferrero, T. Nguyen, T. Le Huy, J. Sourice, Romain Faye, Guillaume de Calan","doi":"10.23919/eucap53622.2022.9768899","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9768899","url":null,"abstract":"In this paper, the design of a 3D printed Dielectric resonator for S-Band application is studied. A dual-band structure is targeted in order to support uplink and downlink satellite communication. A partial filling of some specific part of the DRA is used to optimize the antenna input impedance. The designed DRA exhibit a compact dimension of 0.25*0.25*0.1 wavelength with a 5dBi realized gain.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127744429","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: 1
Platform for Multi-User Channel-Based Encryption of Speech Communication with AES on 2.45 GHz 基于多用户信道的2.45 GHz AES语音通信加密平台
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769450
Victor Van der Elst, Ruben Wilssens, Jelle Jocqué, Joryan Sennesael, J. Verhaevert, P. Van Torre, H. Rogier
{"title":"Platform for Multi-User Channel-Based Encryption of Speech Communication with AES on 2.45 GHz","authors":"Victor Van der Elst, Ruben Wilssens, Jelle Jocqué, Joryan Sennesael, J. Verhaevert, P. Van Torre, H. Rogier","doi":"10.23919/eucap53622.2022.9769450","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769450","url":null,"abstract":"This paper outlines a hardware platform for half-duplex, real-time encrypted digital speech communication on 2.45 GHz. The platform is based on a STM32F415 MCU with a low power ADF7242 transceiver for wireless communication. The Advanced Encryption Standard (AES) Electronic Code Book encryption scheme is performed on the transmitted packets with symmetrically generated channel-based keys. Encryption keys of 128-bit are obtained, based on the unique reciprocal channel characteristics of the employed link. Key reconciliation is applied by means of a Hamming code and a cyclic redundancy check (CRC) to correct key mismatch. A multi-user system is introduced by splitting voice key distribution and speech communication into different abstraction layers. Measurements reveal a maximum communication range of 400 m without significant packet loss. A high key entropy of 0.94 bit is established with a packet rate of 167 packets/s and a key bit generation delay of four received signal strength (RSS) measurements.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126346267","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: 1
A Wideband Magneto-Electric Dipole Transmitarray for Linear to Circular Polarzation Conversion 线性到圆极化转换的宽带磁电偶极子发射阵列
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769666
Jun Hu, H. Wong
{"title":"A Wideband Magneto-Electric Dipole Transmitarray for Linear to Circular Polarzation Conversion","authors":"Jun Hu, H. Wong","doi":"10.23919/eucap53622.2022.9769666","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769666","url":null,"abstract":"In this paper, the design and implementation of a wideband circularly polarized (CP) transmitarray are reported. The receiving/transmitting unit cell is designed by using magneto-electric (ME) dipole with polarization conversion from linearly polarized (LP) to CP. In addition, a full 360-deg geometric phase tuning range can be provided by rotating the transmitting CP element. As a demonstration, a single beam transmitarray is developed by utilizing geometric phase compensation technique. The results verify that the axial ratio performance can be improved within the whole operating frequency band due to the opposite phase response for the dual CP components. Moreover, this methodology can be easily extended to the design of multi-beam CP transmitarray with a cluster of LP feeds.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128013501","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: 1
AI-Assisted Global Optimization for Solving Inverse Scattering Problems 求解逆散射问题的人工智能辅助全局优化
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769539
M. Salucci, L. Poli, P. Rocca
{"title":"AI-Assisted Global Optimization for Solving Inverse Scattering Problems","authors":"M. Salucci, L. Poli, P. Rocca","doi":"10.23919/eucap53622.2022.9769539","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769539","url":null,"abstract":"The solution of inverse scattering (IS) problems supported by artificial intelligence (AI) is addressed. An innovative solution strategy based on the System-by-Design (SbD) paradigm is proposed for the computationally-efficient exploitation of a global optimization strategy for minimizing the data mismatch cost function. Towards this end, a suitable selection, customization, and interconnection of SbD functional blocks is adopted. Moreover, the computationally-unaffordable repeated evaluation of each trial solution during the optimization is bypassed thanks to the exploitation of a digital twin (DT) based on the learning-by-examples (LBE) paradigm. An illustrative numerical example is shown to prove the effectiveness and computational efficiency of the proposed solution strategy when dealing with 2D free-space microwave imaging (MI) scenarios.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128152081","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
A unified Nyström/Galerkin method for for multiscale problems 多尺度问题的统一Nyström/Galerkin方法
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769089
F. Vico, M. Ferrando-Bataller, E. Antonino-Daviu, M. Cabedo-Fabrés
{"title":"A unified Nyström/Galerkin method for for multiscale problems","authors":"F. Vico, M. Ferrando-Bataller, E. Antonino-Daviu, M. Cabedo-Fabrés","doi":"10.23919/eucap53622.2022.9769089","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769089","url":null,"abstract":"Integral equation methods are widely used in computational electromagnetics (CEM). Galerkin and Nystrom are two possible schemes to discretize any integral equation. Among the CEM community, Galerkin is by far the most common scheme used. Nystrom has some advantages when dealing with second kind integral equations, nevertheless it has some disadvantages when dealing with multiscale geometries. In this paper we propose a fix for that and apply this to the Charge-current integral equation.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125786193","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
3D printed metaparticles based on platonic solids for isotropic, multimode microwave scattering 基于柏拉图固体的三维打印元粒子，用于各向同性，多模微波散射
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769499
A. Powell, J. Capers, S. Horsley, J. Sambles, A. Hibbins
{"title":"3D printed metaparticles based on platonic solids for isotropic, multimode microwave scattering","authors":"A. Powell, J. Capers, S. Horsley, J. Sambles, A. Hibbins","doi":"10.23919/eucap53622.2022.9769499","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769499","url":null,"abstract":"Advances in additive manufacturing techniques and materials have enabled the fabrication of complex 3D scatterers that mimic the behaviour of metal nanoparticles at microwave frequencies. These show powerful isotropic scattering behaviour, with negligible dependence on incident angle or polarization for several resonant modes. These scatterers have applications in enhancing the radar signature of small objects such as drones and satellites and in controlling the radiation pattern of antennas.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126072057","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
Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology 缝隙波导技术中线性阵列天线的毫米波准光馈源
2022 16th European Conference on Antennas and Propagation (EuCAP) Pub Date : 2022-03-27 DOI: 10.23919/eucap53622.2022.9769175
A. Vilenskiy, Yingqi Zhang, Esmé Galesloot, A. B. Smolders, M. Ivashina
{"title":"Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology","authors":"A. Vilenskiy, Yingqi Zhang, Esmé Galesloot, A. B. Smolders, M. Ivashina","doi":"10.23919/eucap53622.2022.9769175","DOIUrl":"https://doi.org/10.23919/eucap53622.2022.9769175","url":null,"abstract":"A realization of the quasi-optical (QO) feed concept for linear millimeter-wave (sub-)array antennas is demonstrated in gap waveguide technology. The proposed feed architecture employs an input transition from a ridge gap waveguide (RGW) to a groove gap waveguide (GGW), a radial (H-plane sectoral) GGW section, and a transition to an output RGW array. A design decomposition approach is presented to reduce simulation complexity. Several 20-element QO feed implementations are investigated at W-band demonstrating a 20% relative bandwidth (85–105 GHz), 0.5 dB insertion loss, and a capability of an amplitude taper control within the 10–20 dB range.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122262921","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: 1
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