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Experimental Study of MIMO Through the Wall Radar using Vector Network Analyzer 基于矢量网络分析仪的MIMO穿墙雷达实验研究
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959543
Dedya Fitrinisaaprayunanti, A. A. Pramudita, Yuyu Wahvu, Erfansyah Ali
{"title":"Experimental Study of MIMO Through the Wall Radar using Vector Network Analyzer","authors":"Dedya Fitrinisaaprayunanti, A. A. Pramudita, Yuyu Wahvu, Erfansyah Ali","doi":"10.1109/CAMA47423.2019.8959543","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959543","url":null,"abstract":"A study on implementation of Multiple Input Multiple Output (MIMO) system on Through the Wall (TWR) radar basically dedicates for improving the detection capabilities. Experimental studies with a modeling of MIMO Radar systems are needed in investigating the increase of the radar detection capabilities. The experimental modeling of MIMO radar system provides a more actual overview in the early stages of developing a radar MIMO system. In this paper, modeling of MIMO TWR radar system by using VNA and its experimental were performed to investigate the detection capability improvement. Experimental modeling of MIMO TWR systems by using Vector Network Analyzer (VNA) has flexibility in adjusting the configuration of the radar system that will be tested. Experimental studies are conducted using 2×2 MIMO UWB antenna. The results of experiments in the form of B-Scan Image showed that the application of the MIMO system in TWR provides enhanced target detection capabilities compared to the Single Input Single Output (SISO) TWR method.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121208148","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
Excitation Method of Cavity Using Characteristic Modes 利用特征模态的空腔激励方法
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959798
Kazuki Kamiyama, H. Arai
{"title":"Excitation Method of Cavity Using Characteristic Modes","authors":"Kazuki Kamiyama, H. Arai","doi":"10.1109/CAMA47423.2019.8959798","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959798","url":null,"abstract":"This paper presents characteristics of cavity eigenmode, and a selective excitation method of an internal mode, using TCM. The results of CM analysis of the cavity, with an aperture show that cavity modes are separated into the internal and external modes. Two-inverted-F antennas are placed at the diagonal line on cavity bottom surface. This feeding probe is an inductive coupling element (ICE), not to use additional matching circuits.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124866622","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
Increasing Received Modulation Signal for Integrated EOM Microwave Antenna by Using Paraboloid Reflector 利用抛物面反射面增加集成EOM微波天线接收调制信号
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959727
Y. Natali, P. Priambodo, E. Rahardjo
{"title":"Increasing Received Modulation Signal for Integrated EOM Microwave Antenna by Using Paraboloid Reflector","authors":"Y. Natali, P. Priambodo, E. Rahardjo","doi":"10.1109/CAMA47423.2019.8959727","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959727","url":null,"abstract":"Fifth generation mobile communication, 5G is a cellular networking architecture built based on the International Mobile Telecommunication (IMT) 2020 vision. As the vision to give better bit rate at the wireless user side, it requires fiber-optics transport or fronthaul to optimize the energy and decrease the delay in the process of transferring signals from wireless modes to fiber-optics and vice versa. One of it is a radio over fiber technology, which supplement the IMT 2020 standard. The radio over fiber communication consists of radio and optical link. Formerly, there are several techniques that have been proposed to reduce the network delay or latency in radio over fiber link. One of such techniques is to integrate a microwave receiving antenna with electro-optical modulator (EOM) plates in one device. However, there is a consequence that the RF modulating signals become very low. While an expectation that this integration can eliminate the requirement of the low noise amplifier (LNA) component in the RoF. Previously, the integrated antenna EOM arranged in a serial cascade or parallel, but it can cause disruption in electro-optic modulation. To keep maintain an adequate signal level without disturbing the modulation process, in this paper, we propose another method, whereas using an existing paraboloid dish to focus on the integrated microwave antenna EOM modulator. We examine the experiment in the radio link and comparing the surface area among the paraboloid and bowtie substrate to get the increasing RF modulation signal on the bowtie receiver. The experiments show 20 dB increasing of RF modulation signal. This method can be a solution for overcome the decreasing RF signal on the integrated EOM microwave antenna.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121870955","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
Receiving Performance of Antenna-Coupled Electrode Electro-Optic Modulators for 5G Frequency Band 5G频段天线耦合电极电光调制器的接收性能
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959614
S. Kurokawa, H. Murata, Masahiro Sato, Y. Toba, S. Matsukawa, Hiroto Yokohashi, Yui Otagaki
{"title":"Receiving Performance of Antenna-Coupled Electrode Electro-Optic Modulators for 5G Frequency Band","authors":"S. Kurokawa, H. Murata, Masahiro Sato, Y. Toba, S. Matsukawa, Hiroto Yokohashi, Yui Otagaki","doi":"10.1109/CAMA47423.2019.8959614","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959614","url":null,"abstract":"We have already proposed and developed an antenna-coupled-electrode electro-optic (EO) modulator for 28 GHz-band 5th generation mobile communication as a receiving antenna. The designed EO modulator was fabricated a metal ground plane backed linear dipole array using a 50-µm-thick LiNbO3 crystal and a 250-µm-thick SiO2 base. In this paper, we have shown antenna receiving patterns for 1-element dipole antenna., 4-element dipole array antenna and 8-elemen dipole array antenna. Half power beam width for H-plane of our developed receiving antennas are 70, 25 and 11 degree for 1 element, 4-element and 8-element dipole array, respectively.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128016673","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 Novel 70 GHz Band Exposure Equipment System for Studies on Thermal Perception Thresholds of Biological Effects Exposed to Millimeter-Wave 新型70ghz毫米波生物效应热感知阈值研究设备系统的研制
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959816
Keita Sakakibara, T. Hikage, Itsuki Kageyama, H. Masuda
{"title":"Development of Novel 70 GHz Band Exposure Equipment System for Studies on Thermal Perception Thresholds of Biological Effects Exposed to Millimeter-Wave","authors":"Keita Sakakibara, T. Hikage, Itsuki Kageyama, H. Masuda","doi":"10.1109/CAMA47423.2019.8959816","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959816","url":null,"abstract":"A novel radio-wave exposure equipment system is developed for studies on thermal perception thresholds of biological effects exposed to millimeter-wave at 70 GHz band that is one of 5th generation wireless systems (5G) candidate frequency band. To achieve high duty RF exposure on living body at 70 GHz required, we newly designed a lens antenna that can irradiate focused beam. In order to obtain basic exposure performance of the developed equipment, we used physical phantom that simulated human's skin and achieved experimental measurements of temperature rise during at 70 GHz band millimeter-wave exposure. After 60 seconds exposure, the temperature on expected area of the phantom surface increased 0.6 degree Celsius. In summary, developed equipment can achieve required high exposure on the sample.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115184339","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
Observations from Radar Scans of Grape Vines Conducted Over a Growing Season 葡萄生长季节的雷达扫描观测
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959769
K. Eccleston, I. Platt, A. Jafari, A. Werner, C. Bateman, I. Woodhead, J. Fourie, J. Hsiao, Peter Carey
{"title":"Observations from Radar Scans of Grape Vines Conducted Over a Growing Season","authors":"K. Eccleston, I. Platt, A. Jafari, A. Werner, C. Bateman, I. Woodhead, J. Fourie, J. Hsiao, Peter Carey","doi":"10.1109/CAMA47423.2019.8959769","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959769","url":null,"abstract":"A series of S-band radar scans of grape vines conducted over the growing season is presented. Despite covering the time frame from early development of grape berries to harvest, there is minimal observable change in the radar imagery. This observation along with theory of scattering demonstrate that microwave glare from shoots is the dominant feature in the imagery.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123133219","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
A Simple Radiation Pattern Measurement for Large Array Antennas 大型天线阵的简单辐射方向图测量
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959685
Bambang Dewandaru, F. Zulkifli, E. Rahardjo
{"title":"A Simple Radiation Pattern Measurement for Large Array Antennas","authors":"Bambang Dewandaru, F. Zulkifli, E. Rahardjo","doi":"10.1109/CAMA47423.2019.8959685","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959685","url":null,"abstract":"Antenna radiation pattern measurement has been a challenge to many researchers, especially when the size of the antenna is large due to the requirement of a large anechoic chamber. Furthermore, a quick measurement process is required when many radiation patterns need to be measured. In this paper, a measuring system to measure a large interleaved linear array antenna of a total length of 1.35 meters operating at C band frequency was constructed. The measuring system was constructed with an azimuth range capable of nearly ±180° and able to measure radiation patterns of an array with linear or circular polarization. Typical measurement speed to provide a sample of 1028 measurements points is 16 seconds, with 0.116° resolution for 120° azimuth range without a positioner component.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124964297","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
Sandwiched-Monopole MIMO Array for Full-Solid Angle Flying Car-to-Car Communications 面向全实心角飞行车对车通信的夹心单极MIMO阵列
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959577
T. Fukushima, Nana Narukawa, K. Ogawa, K. Honda
{"title":"Sandwiched-Monopole MIMO Array for Full-Solid Angle Flying Car-to-Car Communications","authors":"T. Fukushima, Nana Narukawa, K. Ogawa, K. Honda","doi":"10.1109/CAMA47423.2019.8959577","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959577","url":null,"abstract":"In this paper, a sandwiched-monopole MIMO array is proposed for illuminating upper and lower hemispheres in space for use in flying car-to-car communications. By adjusting the size of a ground plane of the array, the radiation pattern in high elevation angles is enhanced, resulting in an increase in the channel capacity near zenith and nadir directions. The analytical results reveal that the proposed antenna using monopole antenna elements enables the outage probability of MIMO transmission to be zero for an 87 % achievable channel capacity over the entire solid angle, compared with a 22 % achievable channel capacity for the array using dipole antenna elements.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121418145","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
Design of A Self-diplexing Dielectric Resonator Antenna 自双工介质谐振器天线的设计
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959708
Chao Zhao, J. Wen, S. Zheng, Xiaohua Wang
{"title":"Design of A Self-diplexing Dielectric Resonator Antenna","authors":"Chao Zhao, J. Wen, S. Zheng, Xiaohua Wang","doi":"10.1109/CAMA47423.2019.8959708","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959708","url":null,"abstract":"In this paper, a dielectric resonator antenna (DRA) with self-diplexing property is proposed for the first time. Based on the high flexibility of a dielectric resonator, two modes of a rectangular dielectric resonator (TEδ11 and TEδ13) are utilized to implement two independent operating modes of an antenna. By introducing two pairs of open stubs on the feed lines, good isolation between two input ports is achieved together with improved bandpass characteristics. For demonstration, a self-diplexing DRA operating at 1.8 GHz and 2.45 GHz was designed, fabricated and measured. Reasonable agreement between simulation and measurement can be observed. The diplexing function has been successfully implemented without introducing extra filters. In addition, similar radiation properties have been realized for the two operating modes.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125545235","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
Further Developments of Applicator Concepts for Detection of Body Part Inhomogeneities 身体部位不均匀性检测应用概念的进一步发展
2019 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2019-10-01 DOI: 10.1109/CAMA47423.2019.8959590
N. Petrovic, C. Pichot, P. Risman
{"title":"Further Developments of Applicator Concepts for Detection of Body Part Inhomogeneities","authors":"N. Petrovic, C. Pichot, P. Risman","doi":"10.1109/CAMA47423.2019.8959590","DOIUrl":"https://doi.org/10.1109/CAMA47423.2019.8959590","url":null,"abstract":"We present significant improvements on in particular our transmitting applicator and its performance. This is a crucial component of our system for direct detection of internal inhomogeneities such as breast tumors and brain hemorrhages by a special transmitting applicator and specially polarized receiving applicators. The operating frequency is about 1 GHz. The transmitting applicator is unique by no need to contact the object under study (OUS) and does not generate any surface waves at it. The primary field has properties behaving as from a magnetic monopole. The overall system allows direct detection without a need for phase measurements, which provides the possibility of using a simple microwave generator and simple rectification and position registration of the received signals. The receiving 3D contacting applicator contains a high-permittivity ceramic and is resonant in order to provide the desired field polarization sensitivity. The desired system properties are achieved by optimized use of the orthogonality properties of the primary magnetic, induced electric, and diffracted electric fields.","PeriodicalId":170627,"journal":{"name":"2019 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129552721","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
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