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2019 IEEE Asia-Pacific Microwave Conference (APMC)最新文献

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A W-band Compact Dual Reflector Cassegrain antenna for Monopulse Tracking Radar 用于单脉冲跟踪雷达的w波段紧凑型双反射面卡塞格伦天线
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038477
S. Nandigama, D. Krishna, V. M. Pandharipande, T. Pal, B. Prasad
{"title":"A W-band Compact Dual Reflector Cassegrain antenna for Monopulse Tracking Radar","authors":"S. Nandigama, D. Krishna, V. M. Pandharipande, T. Pal, B. Prasad","doi":"10.1109/APMC46564.2019.9038477","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038477","url":null,"abstract":"A W-band compact Dual Reflector Cassegrain antenna with high gain, pencil beam and good sidelobe level has been designed using High Frequency Structure Simulator (HFSS) IE software. The proposed antenna consist of a Main reflector, Sub reflector and a Feed all together joined with a support structure made of Aluminum. Simulated and Experimental measured results for various antenna parameters show a very good agreement. Effect of support structure has also been studied and optimized to minimize the effect on electrical properties of the antenna.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"290 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115059223","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
Recent progress of Wireless Power Transfer via Sub-THz wave 亚太赫兹无线传输技术的研究进展
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038353
Sei Mizojiri, K. Shimamura
{"title":"Recent progress of Wireless Power Transfer via Sub-THz wave","authors":"Sei Mizojiri, K. Shimamura","doi":"10.1109/APMC46564.2019.9038353","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038353","url":null,"abstract":"Research on wireless power transmission (WPT) by a rectenna using Sub-THz (herein 100GHz~700GHz) waves is gaining attention. Increasing the frequency, make it possible to improve the beam directivity and to miniaturize rectenna. Therefore, it becomes suitable for long distance and high power WPT. Also, it is expected that energy harvesters at high frequencies will be developed for use with 5 G (28 GHz) and beyond 5G (110 GHz). We succeeded in the world's first sub-terahertz WPT using a gyrotron as a high-power oscillation source. At 303 GHz, a microstrip patch antenna was used for rectenna and record RF-DC conversion efficiency of 2.17 % and rectenna power density (DC output power per unit area) of 3.43 kW/m2. At 265 GHz, a coplanar slot antenna was used for rectenna and record a RF-DC conversion efficiency of 0.07 % and a rectenna power density of 0.09 kW/m2. We aim to develope GaN Schottky Barrier Diode (GaN SBD) for high-efficiency WPT in the sub-terahertz band.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116121004","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: 8
Si-Embedded IC Package for W-band Applications: Interconnection Analysis w波段应用的si嵌入式IC封装:互连分析
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038484
Hyunseul Lee, Byung-Wook Min, Young-Gon Kim, J. Yook, Sosu Kim, Wansik Kim
{"title":"Si-Embedded IC Package for W-band Applications: Interconnection Analysis","authors":"Hyunseul Lee, Byung-Wook Min, Young-Gon Kim, J. Yook, Sosu Kim, Wansik Kim","doi":"10.1109/APMC46564.2019.9038484","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038484","url":null,"abstract":"This paper reports the interconnection design and analysis of the embedded IC package. Instead of real chips, we used a dummy chip made of silicon. Dummy chip is GCPW structure and chip's lower ground is not in the chip back but below 20 μm polymer. The thickness of dummy IC is 100 μm and the depth of the cavity is 110 μm. An organic lamination process fills the gap between the inserted chip and the cavity and forms a flat insulating layer. The interconnection for the two inserted dummy ICs was realized using the patterning process, with a very short length of 400 μm. By forming sufficient via holes, the parasitic resonance caused by the cavity is minimized. As a result, the loss of the interconnection is less than 0.25 dB and return loss is more than 30 dB at all measured frequency.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116581958","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
Full-Solid Angle Angle-of-Arrival Estimation Using the Phase Reversal Weighting Method 基于相位反转加权法的全立体角到达角估计
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/apmc46564.2019.9038639
Nana Narukawa, K. Ogawa
{"title":"Full-Solid Angle Angle-of-Arrival Estimation Using the Phase Reversal Weighting Method","authors":"Nana Narukawa, K. Ogawa","doi":"10.1109/apmc46564.2019.9038639","DOIUrl":"https://doi.org/10.1109/apmc46564.2019.9038639","url":null,"abstract":"This paper presents the phase reversal weighting (PRW) method that provides an angle of arrival (AOA) estimation antenna operating over the full-solid angle three-dimensional space for use in flying car-to-car communications. So far, we have developed a compact interferometric AOA antenna arranged in a circular array for ordinary ground-based car applications. The radiation pattern directs its beam to the horizontal plane and there is a weak radiation to the zenith. This results in some difficulties in realizing the AOA antenna to be used for flying car applications because flying cars have a high degree of freedom in varying their flight routes in both horizontal and vertical directions, allowing communication targets to spread over all solid angles in a three-dimensional manner. In this paper, the PRW method is applied to achieve the AOA antenna with upper and lower hemispheres illumination. The analytical results reveal that a precise angle estimation with a large radiation gain is achieved over the entire three-dimensional space.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"205 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122337240","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
Compact Substrate Integrated Coaxial Line Quadrature Hybrid with Harmonic Rejection 具有谐波抑制的紧凑基板集成共轴线正交杂化
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038650
I. S. Krishna, S. Mukherjee
{"title":"Compact Substrate Integrated Coaxial Line Quadrature Hybrid with Harmonic Rejection","authors":"I. S. Krishna, S. Mukherjee","doi":"10.1109/APMC46564.2019.9038650","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038650","url":null,"abstract":"This article presents a compact substrate integrated coaxial line (SICL) based quadrature hybrid operating at 10 GHz specifically for X-band communication with controllable harmonic rejection. The proposed SICL based compact branch-line coupler utilizes four open-ended coaxial stubs. Design equations are analytically derived using even-odd mode analysis and the range of realizable impedance is graphically determined from the derived equations. Variation in position of transmission zero as a function of open-ended stub's electrical length is illustrated through simulation and a 15 dB harmonic rejection up to 31.8 GHz observed. The fabricated SICL based quadrature hybrid demonstrates a measured fractional bandwidth of 12.24% and occupies only 0.10λ2garea. Use of compact size and electromagnetically robust passive components designed in SICL technology provides exceptional front-end communication system.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122533170","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 Compensation Method for Switches Imperfection in Direction Finding System using Time-Modulated Arrays 时调阵列测向系统开关缺陷的补偿方法
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038730
Yu-Qian Yang, Hao Wang, Hao Zhang, Yong-xin Guo
{"title":"A Compensation Method for Switches Imperfection in Direction Finding System using Time-Modulated Arrays","authors":"Yu-Qian Yang, Hao Wang, Hao Zhang, Yong-xin Guo","doi":"10.1109/APMC46564.2019.9038730","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038730","url":null,"abstract":"This paper proposed a method to compensate the imperfection of RF switches in direction finding verification utilizing the time-modulated array (TMA). The TMA direction finding application was originally proposed to be a low-cost and high-agile method to realize the direction-finding task. However, the practical RF switches are not ideally behaved and suffering the imperfect electromagnetic performance, especially for the multistage cascaded switch network. In the previous researches, the direction of arrival (DoA) estimation algorithms are studied a lot while the quantitative analysis is lacked. The compensation method of the practical verification is proposed to solve the imperfection problem in a multi-stage switching network architecture. By comparative results, the proposed method could offer a good estimation performance.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122664123","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
Compact Circularly Polarized Tag Antenna based on EBG Structure for Metallic Objects 基于EBG结构的金属物体紧凑型圆极化标签天线
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038850
Gege Gao, Xiuping Li, Hua Zhu, Ning Zhang, Zhenguo Qi
{"title":"Compact Circularly Polarized Tag Antenna based on EBG Structure for Metallic Objects","authors":"Gege Gao, Xiuping Li, Hua Zhu, Ning Zhang, Zhenguo Qi","doi":"10.1109/APMC46564.2019.9038850","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038850","url":null,"abstract":"In this paper, a compact circularly polarized (CP) radio frequency identification (RFID) tag antenna based on the electromagnetic band gap (EBG) structure is proposed for metallic objects. The compact EBG structure is composed of two-layer patches with offset vias. By inserting square loops into the patches, a reflection phase of +100° for X-polarization and −89° for Y-polarization at 915 MHz is achieved. A novel cross-dipole antenna is designed with meander arms and modified T-matching. The simulated −15 dB impedance bandwidth of the tag antenna is 100 MHz (860–960 MHz), and its corresponding 3 dB axial-ratio (AR) bandwidth is 6 MHz (917–923 MHz). In theory, the proposed tag antenna can provide a reading distance of 5.08 m when it is mounted on the metallic surface.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123034089","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 L-Band SiGe HBT Active Phase Shifter Based on Two-Stage Amplifier Designs with Resistor-Loaded LPF/HPF-Switching Interstage Networks 基于电阻负载LPF/ hpf交换级间网络两级放大器设计的l波段SiGe HBT有源移相器
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038416
Y. Itoh
{"title":"An L-Band SiGe HBT Active Phase Shifter Based on Two-Stage Amplifier Designs with Resistor-Loaded LPF/HPF-Switching Interstage Networks","authors":"Y. Itoh","doi":"10.1109/APMC46564.2019.9038416","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038416","url":null,"abstract":"An L-band 4-bit SiGe HBT active phase shifter is presented. It is based on two-stage amplifier designs with resistor-loaded LPF/HPF-switching interstage networks. A phase shifting can be accomplished by varying the value of a bridging resistor and/or a characteristic resistance of the filter. The implemented active phase shifter has achieved a gain greater than 20dB, a gain error less than 1.8dB and a phase error less than 9 degrees at 0.8 GHz for all bits.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114260876","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
Omnidirectional Circularly Polarized Antenna Based on Dual Zeroth-Order Resonances 基于双零阶共振的全向圆极化天线
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038201
Yinwan Ning, Yong Fan, Yuandan Dong
{"title":"Omnidirectional Circularly Polarized Antenna Based on Dual Zeroth-Order Resonances","authors":"Yinwan Ning, Yong Fan, Yuandan Dong","doi":"10.1109/APMC46564.2019.9038201","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038201","url":null,"abstract":"This paper presents an omnidirectional circularly polarized (CP) antenna utilizing two orthogonal zeroth-order resonance (ZOR) modes. One of the two ZOR modes is based on a round mushroom construction while the other one is based on the artificial mu-negative transmission line (MNG-TL) devised by using periodical capacitor-loaded lines. The mushroom structure offers a vertical polarization while the periodical capacitor-loaded lines is featured by a horizontally polarized radiation. The proposed antenna is easy to fabricate for a low profile design. The measured axial ratio is less than 3 dB inside the range of 2.35-2.47 GHz. The measured| S11| is better than −10 dB across the range of 2.21 to 2.61 GHz. Acceptable agreement has been observed between simulation and measurement.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122250026","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 Wideband Balanced-to-Unbalanced Out-of-Phase Power Divider Based on Hybrid Microstrip/Slotline Structure 一种基于微带/槽线混合结构的宽带平衡-不平衡失相功率分配器
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038393
Yu Zhu, K. Song, Maoyu Fan, Yong Fan
{"title":"A Wideband Balanced-to-Unbalanced Out-of-Phase Power Divider Based on Hybrid Microstrip/Slotline Structure","authors":"Yu Zhu, K. Song, Maoyu Fan, Yong Fan","doi":"10.1109/APMC46564.2019.9038393","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038393","url":null,"abstract":"A wideband four-port balanced-to-unbalanced circuit with the feature of out-of-phase power division was presented in this letter. By introducing the slotline in the center ground, the common-mode noises could be suppressed by nature. In the differential-mode excitation, a differential-mode out-of-phase power divider could be realized. An isolated resistor placed in the symmetry line of two unbalanced out-ports can increase the isolation. Using the even/odd-mode circuit analysis, the corresponding equivalent circuits can be obtained. To validate the correctness of the design, a 93% fractional bandwidth balanced-to-unbalanced power divider with the feature of out-of-phase is simulated. And in the whole passband, the common-mode rejection can reach to 43 dB.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128416885","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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