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2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)最新文献

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Broadband Slot Antenna Design for On-Body UHF RFID Applications (Invited) 车载超高频RFID应用的宽带槽天线设计(特邀)
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538053
C. Sim, Wei-Sheng Liao, Jin-Rong Liou
{"title":"Broadband Slot Antenna Design for On-Body UHF RFID Applications (Invited)","authors":"C. Sim, Wei-Sheng Liao, Jin-Rong Liou","doi":"10.1109/APCAP.2018.8538053","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538053","url":null,"abstract":"In this invited paper, a radio frequency identification (RFID) antenna working in the ultra-high frequency (UHF) band for on-body (wearable) applications is proposed. The UHF RFID proposed antenna is a slotted type that allows the RFID chip to be loaded into the center of the rectangular slot via two narrow feeding lines. The proposed wearable UHF RFID antenna has a small size of 45 mm × 15 mm × 1.6 mm (0.137 $lambda_{0}$ × 0.046 $lambda_{0}$ × 0.004$lambda_{0}$, at center frequency 915 MHz). When placed on the wrist of a human hand, the measured results of the proposed UHF RFID antenna have exhibited 3-dB impedance bandwidth of 13.6% (870–997 MHz) and 10-dB impedance bandwidth of 4.13% (900–938 MHz), which is desirable for present UHF RFID applications working in the 902–928 MHz band.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121426964","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
Compact Direction Finding Array for Tactical Aircraft Radios Through Artificial Neural Networks Estimator 基于人工神经网络的战术飞机无线电紧凑型测向阵列
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538177
L. Scorrano, G. Pelosi, M. Righini, S. Selleri
{"title":"Compact Direction Finding Array for Tactical Aircraft Radios Through Artificial Neural Networks Estimator","authors":"L. Scorrano, G. Pelosi, M. Righini, S. Selleri","doi":"10.1109/APCAP.2018.8538177","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538177","url":null,"abstract":"In this contribution, a circular array made of wideband loaded monopole antennas is successfully applied to the direction of arrival estimate of tactical aircraft communications. The proposed novel approach, based on an artificial neural network estimator, turns out to be computationally faster and less expensive in terms of computational resources in comparison with other methods already found in literature. The final array configuration is evaluated by a near-field measurement setup and the performances of the neural network estimator are then presented showing excellent wideband behavior and accuracy.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114159233","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: 5
Compact Dual-Band Broadband Microstrip Antenna at 2.4 GHz and 5.2 GHz for WLAN Applications 用于WLAN应用的2.4 GHz和5.2 GHz紧凑型双频宽带微带天线
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538297
A. Ghaffar, Xue Jun L, Boon-Chong Seet
{"title":"Compact Dual-Band Broadband Microstrip Antenna at 2.4 GHz and 5.2 GHz for WLAN Applications","authors":"A. Ghaffar, Xue Jun L, Boon-Chong Seet","doi":"10.1109/APCAP.2018.8538297","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538297","url":null,"abstract":"A planar monopole antenna with dual-band and overall compact size of 18 × 12mm2 is presented in this paper. The designed antenna radiates at 2.4 and 5.2 GHz frequencies, which are suitable for wireless local area network (WLAN) systems like Wi-Fi, ZigBee, and Bluetooth etc. The antenna structure is made of two folded strips, coplanar ground plane and a feed line. The design antenna has been simulated using HFSS software. The proposed antennas shows good simulation results for impedance bandwidth of 50MHz and 2400MHz for 2.4 GHz and 5.2 GHz frequency, respectively.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120932104","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: 6
Path Loss Compensation Method for Multiple Target Vital Sign Detection with 24-GHz FMCW Radar 24ghz FMCW雷达多目标生命体征检测路径损耗补偿方法
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538182
Hyunjae Lee, Byung-Hyun Kim, J. Yook
{"title":"Path Loss Compensation Method for Multiple Target Vital Sign Detection with 24-GHz FMCW Radar","authors":"Hyunjae Lee, Byung-Hyun Kim, J. Yook","doi":"10.1109/APCAP.2018.8538182","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538182","url":null,"abstract":"Over the past few decades, Doppler radar has attracted attention in biomedical and healthcare applications because of the benefits of a non-contact vital sign sensor. Though Doppler radar has the high sensitivity for physiological signals, multiple target problem is one of the inevitable issue in a non-contact vital sign sensor. In this paper, we proposed a non-contact vital sign sensor for multiple subject based on 24 GHz frequency-modulated continuous-wave (FMCW) radar. Since FMCW radar can extract the range and velocity of the target, it is possible to detect each vital sign by signal separation according to the position of the target. A signal amplitude difference from a plurality of targets is corrected by the signal processing according to the radar equation. The measured results validate the possibility of multiple vital sign sensor. We expect that our proposed method can be feasible to utilize the application such as a driver monitoring system and a medical monitoring system.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121219151","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: 18
A Microwave Sensor Based on Split Ring Resonators for Differential Measuring Permittivity 基于分裂环谐振器的差分测量介电常数微波传感器
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538288
Yang Liu, Kuiwen Xu, Shichang Chen, Peng Zhao, Gaofeng Wang, Xiuzhu Ye
{"title":"A Microwave Sensor Based on Split Ring Resonators for Differential Measuring Permittivity","authors":"Yang Liu, Kuiwen Xu, Shichang Chen, Peng Zhao, Gaofeng Wang, Xiuzhu Ye","doi":"10.1109/APCAP.2018.8538288","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538288","url":null,"abstract":"In this paper, a microwave sensor with the dual three-layer electrically small resonators based on split ring resonators (SRRs) is proposed to measure the permittivity of the small sample of unknown materials. By virtue of SRRs, the single resonator has merits of the compact size $(0.052 lambda_{0} $$ times 0.052 lambda_{0} $), high quality factor (Q) value and ultra-low radiation. And combined with the design of the differential measurement structure, this sensor can greatly compensate the interference from the environment. Different from the sensor with single resonator using reflection coefficients, the measurement process is greatly simplified with transmission coefficients by the proposed sensor.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123773171","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
5G OTA Testing: Challenges and Standardization Progress 5G OTA测试:挑战与标准化进程
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538150
Ruixin Wang, Xingfeng Wu, Yi Yang, Siting Zhu, Xiaolong Zhao, Zheng Liu
{"title":"5G OTA Testing: Challenges and Standardization Progress","authors":"Ruixin Wang, Xingfeng Wu, Yi Yang, Siting Zhu, Xiaolong Zhao, Zheng Liu","doi":"10.1109/APCAP.2018.8538150","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538150","url":null,"abstract":"G mmWave technology relies heavily on beamforming techniques to overcome the propagation conditions and greatly increases the testing difficulty. The 5G OTA testing methods and latest standardization progress of industry are reviewed in this paper. The potential techniques and work plan in 3GPP for 5G MIMO OTA testing are also discussed as next steps to further progress on this topic.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123792068","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
An Electrically Large Zero-Phase-Shift Line (ZPSL) Dual-Loop Antenna with Inset Feeding structure 嵌入式馈电结构的大型零相移线(ZPSL)双环天线
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538197
Jinqing Zeng, X. Qing, Zhi Ning Chen, Yunjia Zeng
{"title":"An Electrically Large Zero-Phase-Shift Line (ZPSL) Dual-Loop Antenna with Inset Feeding structure","authors":"Jinqing Zeng, X. Qing, Zhi Ning Chen, Yunjia Zeng","doi":"10.1109/APCAP.2018.8538197","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538197","url":null,"abstract":"A zero-phase-shift line (ZPSL) dual-loop antenna with inset feeding configuration is designed for applications of ultra-high frequency (UHF) near-field radio frequency identification (RFID). Designed on 0.5 mm thick FR4 substrate, the ZPSL dual-loop antenna achieves a uniform magnetic field distribution within an interrogation area of 400 mm ×400 mm (perimeter of 1600 mm, 4.88$lambda$ at 915 MHz). The antenna is measured with $vert$ $S_{11}$ $vert$ smaller than 10 dB in a wide range of frequencies 850-1060 MHz, achieving a 100% reading range up to 15 mm (with an Impinj reader of 1W output power, Sag tag).","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125217061","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
Wideband Metamaterial Antenna Design 宽带超材料天线设计
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538043
A. Y. Iliyasu, M. Hamid, M. Rahim, N. Samsuri, M. Yusoff, M. Ismail, H. Majid
{"title":"Wideband Metamaterial Antenna Design","authors":"A. Y. Iliyasu, M. Hamid, M. Rahim, N. Samsuri, M. Yusoff, M. Ismail, H. Majid","doi":"10.1109/APCAP.2018.8538043","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538043","url":null,"abstract":"This paper presents the design of composite right/left handed transmission line (CRLH TL) wideband metamaterial antenna. The bandwidth enhancement was achieved by replacing horizontal ohm's shape slot with series horizontal slot. A comprehensive parametric analysis using Computer Simulation Technology CST software is carried out by varying the position of the slot $L_{n}$ to determine the effectiveness of the concept and fmd the right position of the slot for obtaining the wideband. From the simulation work, it was found that the impedance bandwidth covered from 2.2 GHz to 4.6 GHz which is equivalent to 75% fractional bandwidth. The antenna has a compact size of 30 by 16.80 mm^2. It has three different resonating bands at 2.6 GHz, 3.4 GHz and4.5 GHz within the range with realised peak gain of 2.39 dBi, 2.41 dBi,, and 3.22 dBi respectively and average efficiency of 95%.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128018465","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
Design of a Compact and Wideband Quadrifilar Helix Antenna 一种小型宽带四线螺旋天线的设计
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538290
Xiao-fei Wang, Xin-ji Li, Hui Wang, Shi-gang Zhou
{"title":"Design of a Compact and Wideband Quadrifilar Helix Antenna","authors":"Xiao-fei Wang, Xin-ji Li, Hui Wang, Shi-gang Zhou","doi":"10.1109/APCAP.2018.8538290","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538290","url":null,"abstract":"A compact and wideband quadrifilar helix antenna is presented in the paper. The quadrifilar helix line is printed on the surface of a cylinder substrate with high dielectric permittivity. There are four ports at the bottom of the antenna, and a microstrip line feeding network is adopted combining the four ports to one final port. The antenna is designed, simulated and optimized. 20% with VSWR $< 1.5$ bandwidth can be achieved according to the simulated results. The proposed antenna has very broad beams. In the half-space above ground plane, the minimal gain is -5dB and the maximal axis ratio is 4dB. If the system need an antenna with properties of wide bandwidth, compact size, circular polarization and very broad beam, this antenna should be a good candidate.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132374394","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: 6
Dynamic control of microwave with tunable metamaterial and metasurface 具有可调谐超材料和超表面的微波动态控制
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2018-08-01 DOI: 10.1109/APCAP.2018.8538097
Ke Chen, Guowen Ding, Junming Zhao, Yijun Feng
{"title":"Dynamic control of microwave with tunable metamaterial and metasurface","authors":"Ke Chen, Guowen Ding, Junming Zhao, Yijun Feng","doi":"10.1109/APCAP.2018.8538097","DOIUrl":"https://doi.org/10.1109/APCAP.2018.8538097","url":null,"abstract":"Dynamic control of microwave is essential for many applications, such as antenna technique, focusing lens, etc. The recent developed metamaterials and metasurfaces provide more degrees of freedom to manipulate the electromagnetic wave through artificially engineered resonators. Here, we incorporate electrical tunable lumped elements into metamaterial and metasurface to dynamically manipulate the microwave. We will show that the chiral metamaterial can provide tunable asymmetric transmission in response to the bias voltage, and the Huygens’ metasurface can dynamically reshape the wavefront in a designable way.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133095194","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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