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2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)最新文献

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A Geometrical Interpretation of Communication Restrictions in a Multi-Agent Environment 多智能体环境中通信限制的几何解释
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572375
F. Stoican, D. Popescu, L. Ichim
{"title":"A Geometrical Interpretation of Communication Restrictions in a Multi-Agent Environment","authors":"F. Stoican, D. Popescu, L. Ichim","doi":"10.23919/RADIO.2018.8572375","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572375","url":null,"abstract":"In this paper we consider a multi-obstacle environment in which ground terminal stations (GDTs) exchange information with unmanned aerial vehicles (UAVs) engaged in fulfilling a data gathering mission (i.e., a list of way-points defining sensor cluster heads is covered by the UAVs). We discuss limitations imposed by the terrain (obstacles), UAV dynamics and GDT characteristics and provide reference trajectories which ensure communication at all times. The associated optimization problem is put in a mixed integer form which guarantees the aforementioned constraints and minimizes the mission cost.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127040012","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
Computer Aided Design and Model of a Remote Keyless Module Antenna 远程无钥匙模块天线的计算机辅助设计与建模
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572352
H. Filipescu, L. Dolga, C. Moldovan, F. Alexa, M. Frigura-Iliasa
{"title":"Computer Aided Design and Model of a Remote Keyless Module Antenna","authors":"H. Filipescu, L. Dolga, C. Moldovan, F. Alexa, M. Frigura-Iliasa","doi":"10.23919/RADIO.2018.8572352","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572352","url":null,"abstract":"This article will discuss about the improvement of a simple radio frequency (RF) front-end transceiver unit located into an embedded system taken from the automotive industry, as part of a remote keyless entry (RKE) car system. The main objective is to reduce its size and complexity as well as to reduce radiation. Some impedance tests on the existing and on the proposed model were also carried out.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"131 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126211029","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
The Radiation Characteristics of 3.43:1 Bandwidth Dipole Antenna with Radar Absorbing Material 带雷达吸波材料的3.43:1带宽偶极子天线的辐射特性
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572346
A. Gevorkyan, Privalova T. Yu
{"title":"The Radiation Characteristics of 3.43:1 Bandwidth Dipole Antenna with Radar Absorbing Material","authors":"A. Gevorkyan, Privalova T. Yu","doi":"10.23919/RADIO.2018.8572346","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572346","url":null,"abstract":"In this paper it is shown that the use of radar absorbing material (RAM) allows to expand the working frequency band of the antenna by 330 MHz (6.3%). The antenna with RAM had a working frequency band by the level of $mathbf{VSWR}leq 3$ in the frequency range 2.29-7.85 GHz (3.43:1 bandwidth). The antenna without RAM had a working frequency band by level of $mathbf{VSWR}leq 3$ in the frequency range 2.30-7.53 GHz. The use of RAM allowed to increase the realized gain at the frequency of 7.85 GHz by 1.1 dB (from −11.2 to −10.2 dB).","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116597294","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
Development of Compact Coupler Devices on Electrody-Namic Structures with Different Thickness Substrates 不同厚度基底电动力结构紧凑型耦合器的研制
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572387
D. Letavin, R. Abdullin
{"title":"Development of Compact Coupler Devices on Electrody-Namic Structures with Different Thickness Substrates","authors":"D. Letavin, R. Abdullin","doi":"10.23919/RADIO.2018.8572387","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572387","url":null,"abstract":"In this paper, using a program of electrodynamic analysis of the NI-AWR Design Environment 13, compact branch-line coupler were designed with different substrate thicknesses using electrodynamic structures. Based on the obtained results, the influence of the thickness of the material used on the effectiveness of miniaturization of coupler was analyzed. The process of reducing the geometric dimensions consists in replacing the quarter-wave segments by synthesized electrodynamic structures that have similar characteristics at the central frequency and in its vicinity. With the help of the AWR program, three designs of a branch-line coupler with a thickness of 1, and 1.5 mm have been analyzed and, from the data obtained, it can be concluded that the smaller the thickness of the substrate, the higher the efficiency of miniaturization of the coupler.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116762295","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
Oversea Radio Measurements and Channel Characterization with LoRa Technology 基于LoRa技术的海外无线电测量与信道表征
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572461
Pierre Gogendeau, N. Murad, S. Bernard, V. Kerzérho, Laurent Deknyff, S. Bonhommeau
{"title":"Oversea Radio Measurements and Channel Characterization with LoRa Technology","authors":"Pierre Gogendeau, N. Murad, S. Bernard, V. Kerzérho, Laurent Deknyff, S. Bonhommeau","doi":"10.23919/RADIO.2018.8572461","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572461","url":null,"abstract":"This paper describes an experiment in an open sea environment and analyses the different configurations of the LoRa model (spreading factor, bandwidth, coding rate) for oversea signals. We determine a channel model and find the transceiver locations as a function of the received signal power. We show two locations can be differentiated with a 100 m error at 1.6 km maximal distance. We prove there is no significant differences between all possible configurations in terms of accuracy. Thus, we select the fastest configuration in order to increase the database measurement.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"35 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123532571","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
High Dynamic Range Reflection-Type Attenuator 高动态范围反射型衰减器
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572448
S. Bulja, P. Rulikowski
{"title":"High Dynamic Range Reflection-Type Attenuator","authors":"S. Bulja, P. Rulikowski","doi":"10.23919/RADIO.2018.8572448","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572448","url":null,"abstract":"In this paper a variable high dynamic range Reflection-Type Attenuator (RTA) is presented. The proposed RTA consists of a 3-dB coupler and two PIN diodes per reflective load. The PIN diodes are connected to the 3-dB coupler through a network comprising impedance transformers. The exact values of the impedance transformers needed for a high dynamic range are set in accordance with the developed theory. As an experimental verification, two RTAs have been fabricated - one with a single PIN diode per load and one with the proposed two PIN diodes per load. It is shown that the proposed RTA consisting of two PIN diodes per load offers a dynamic range that is two times greater than its single PIN diode counterpart, without a noteworthy increase in the insertion losses.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127522357","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
Terrestrial Targets Tracking with Passive Radar System Using Neyman-Pearson Detector 利用内曼-皮尔逊探测器的无源雷达系统跟踪地面目标
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572336
P. Gomez-del-Hoyo, N. del-Rey-Maestre, D. Mata-Moya, M. Jarabo-Amores, M. Benito-Ortiz
{"title":"Terrestrial Targets Tracking with Passive Radar System Using Neyman-Pearson Detector","authors":"P. Gomez-del-Hoyo, N. del-Rey-Maestre, D. Mata-Moya, M. Jarabo-Amores, M. Benito-Ortiz","doi":"10.23919/RADIO.2018.8572336","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572336","url":null,"abstract":"This work tackles terrestrial targets monitoring using a Passive Radar System (PRS) characterized by a surveillance channel processing composed of a Neyman-Pearson (NP) detector and three-dimensional tracker implementation. The NP detector is a parametric approach that requires the prior knowledge of target and bistatic clutter statistical models at communication systems frequencies that fit with real data. The proposed tracker provides three-dimensional (range, azimuth and speed) trajectories declaration exploiting the capabilities of beamforming techniques based on a uniform linear array as surveillance antenna system. The considered solution is validated with real data acquired by a PRS in a semi-urban scenario.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128485744","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
MIMO in Tunnel: Impact of Polarization and Array Orientation on the Channel Characteristics 隧道中的MIMO:极化和阵列方向对信道特性的影响
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572376
F. Challita, P. Laly, M. Liénard, D. Gaillot, J. Molina-García-Pardo, W. Joseph
{"title":"MIMO in Tunnel: Impact of Polarization and Array Orientation on the Channel Characteristics","authors":"F. Challita, P. Laly, M. Liénard, D. Gaillot, J. Molina-García-Pardo, W. Joseph","doi":"10.23919/RADIO.2018.8572376","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572376","url":null,"abstract":"Polarimetric characteristics of the propagation channel in a straight tunnel and in a frequency band around 1.3 GHz, are deduced from measurements using a real-time MIMO channel sounder. Emphasis is on the cross-polarization discrimination factor and, for a MIMO configuration, on the correlation between transmitting and receiving array elements, depending on the array orientation and on the polarization of the transmitting elements.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127695400","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
[Title page] (标题页)
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/radio.2018.8572458
{"title":"[Title page]","authors":"","doi":"10.23919/radio.2018.8572458","DOIUrl":"https://doi.org/10.23919/radio.2018.8572458","url":null,"abstract":"","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116734966","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
Recent Progress on the Design of Aperture Arrays for Radio Astronomy 射电天文学孔径阵列设计的新进展
2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI: 10.23919/RADIO.2018.8572328
D. Davidson, A. Sutinjo, R. Wayth, D. Ung, D. D. de Villiers, J. Gilmore, J. G. Bij de Vaate, Rene Baelemans, A. B. Smolders
{"title":"Recent Progress on the Design of Aperture Arrays for Radio Astronomy","authors":"D. Davidson, A. Sutinjo, R. Wayth, D. Ung, D. D. de Villiers, J. Gilmore, J. G. Bij de Vaate, Rene Baelemans, A. B. Smolders","doi":"10.23919/RADIO.2018.8572328","DOIUrl":"https://doi.org/10.23919/RADIO.2018.8572328","url":null,"abstract":"Design considerations and contemporary methods for analyzing and designing aperture arrays for radio astronomy are reviewed, with reference to the SKA. The use of computational electromagnetic tools to evaluate array performance, including embedded element patterns is addressed, as well as an approximation which includes some effects of mutual coupling. The subsequent inclusion of network models of the RF front-ends and including the beamformer are also considered. The analysis of receiving systems is specifically discussed.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116560999","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
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