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2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)最新文献

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A Machine Learning Approach to Predict Supply and Temperature Variation Aware RF Integrated Circuit Interference Limitation 一种预测电源和温度变化感知射频集成电路干扰限制的机器学习方法
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237389
Michael Chang
{"title":"A Machine Learning Approach to Predict Supply and Temperature Variation Aware RF Integrated Circuit Interference Limitation","authors":"Michael Chang","doi":"10.1109/iWEM49354.2020.9237389","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237389","url":null,"abstract":"In this paper we propose an accurate machine learning technique to predict statistical RF integrated interference limitation estimation with supply and temperature variation from artificial neural network and the regression based polynomial regression which exhibits efficient computation and error less than 1% for the modeling RF integrated circuit interference limitation. The accuracy of the proposed technique has been tested over several supply and temperature corners. It provides a bidirectional signoff flow between IC designer and EMC system designer at early design stage and achieving on radio frequency interference system-level success.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125390126","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: 4
A Triple-Band Open-Slot Antenna with Linear and Circular Polarizations 一种具有线性和圆极化的三波段开槽天线
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237411
Chien-Sheng Chen, Kuan-Wei Li, Chien‐Jen Wang
{"title":"A Triple-Band Open-Slot Antenna with Linear and Circular Polarizations","authors":"Chien-Sheng Chen, Kuan-Wei Li, Chien‐Jen Wang","doi":"10.1109/iWEM49354.2020.9237411","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237411","url":null,"abstract":"A uniplanar open-slot antenna with triple-band operation and linear and circular polarizations has been presented in this work. We etched two open slots in the ground plane as the radiator elements. By utilizing a T-shaped feeding stub, the inductive reactance of the open-slot antenna can be compensated by a capacitive loading such that the moderate impedance bandwidth can be obtained. By etching the inverted-L slit in the top segment of the ground plane, the circular polarization around 2.33 GHz can be excited. An inverted-C coupling strip is embedded in the dominant open-slot radiator to enhance the impedance matching condition in the middle frequency band. Additionally, by using this technique, a new resonance around 5.3 GHz is excited. Parametric studies on geometries of the inverted-L slit and the inverted-C coupling strip are conducted to associate performance features with some specific antenna dimensions.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130543166","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
Broadband Channel Measurement of 5G Communication in One Typical Factory 某典型工厂5G通信宽带信道测量
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237400
D. Lin, Chung-Yu Yang, Ching-Han Hung, Sing-Chung Chang, Kuo-Hsun Hsu, Cheng-Yu Hsu
{"title":"Broadband Channel Measurement of 5G Communication in One Typical Factory","authors":"D. Lin, Chung-Yu Yang, Ching-Han Hung, Sing-Chung Chang, Kuo-Hsun Hsu, Cheng-Yu Hsu","doi":"10.1109/iWEM49354.2020.9237400","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237400","url":null,"abstract":"Smart factory and IoT (Internet of Things) is an important issue in 5G communication. In order to recognize some broadband channel characteristics like mean excess delay, RMS delay spread and coherent bandwidth in factory environment. And we compare with references to understand the wireless propagation ability in factory environments.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123685665","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
Design of MIMO WLAN 2.4/5.2/5.8 and 5G SUB-6 GHz antennas for laptop computer applications 笔记本电脑应用的MIMO WLAN 2.4/5.2/5.8和5G SUB-6 GHz天线设计
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237396
Yu-ren Chen, Wen‐Shan Chen
{"title":"Design of MIMO WLAN 2.4/5.2/5.8 and 5G SUB-6 GHz antennas for laptop computer applications","authors":"Yu-ren Chen, Wen‐Shan Chen","doi":"10.1109/iWEM49354.2020.9237396","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237396","url":null,"abstract":"The paper proposes a design of MIMO antennas with broadband effect for laptop computers. The antenna is a use stereoscopic bending-coupled of architecture. The coupled-fed antenna is composed of a grounded inverted L-shaped arm, two short metal arms connected to the feed. The structure of isolation mechanism is a T-type metal strip with multi-arms to reduce the interaction between the two antennas. The overall size of the design is (LxWxH) is 6.2 × 50 × 4.2 mm3. The design antennas and isolation element made of 0.8mm FR-4 substrate is placed on upper left corner of the system ground with a size of (L× W) 200 × 260mm2. From the results, this design of MIMO antennas can be applied to the bands of WLAN2.4/5.2 /5.8GHz (2.4-2.484 GHz, 5.15-5.35 GHz, 5.725-5.825 GHz), and 5G NR SUB-6GHz (3.3- 4.2 GHz, 4.8-5 GHz).","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"1521 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128052339","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
The Volume of Waveguide Filter Miniaturization 波导滤波器小型化的体积
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237447
Shu-Yu Linab, Y. Chang, M. Cho, Ming-Yung Lin, Wen-Ying Hu, Jwo-Shiun Sun
{"title":"The Volume of Waveguide Filter Miniaturization","authors":"Shu-Yu Linab, Y. Chang, M. Cho, Ming-Yung Lin, Wen-Ying Hu, Jwo-Shiun Sun","doi":"10.1109/iWEM49354.2020.9237447","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237447","url":null,"abstract":"This paper study, we present a design solution for rectangular waveguide filters suitable for high-power applications. To verify the proposed filter, the S-parameter characteristics of the waveguide filter were compared with other types of filters by electromagnetic simulation. The simulation data shows that the proposed filter solution can be used in the limited space of high-power radar system applications.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133976693","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
Selective Excitation of Platform Eigenmodes Using Characteristic Mode Theory 基于特征模态理论的平台特征模态选择激励
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iwem49354.2020.9237445
Takaaki Beni, H. Arai
{"title":"Selective Excitation of Platform Eigenmodes Using Characteristic Mode Theory","authors":"Takaaki Beni, H. Arai","doi":"10.1109/iwem49354.2020.9237445","DOIUrl":"https://doi.org/10.1109/iwem49354.2020.9237445","url":null,"abstract":"This paper presents characteristics of eigenmodes, and a selective excitation method of a dominant and higher modes using Characteristic Mode Analysis (CMA). The results of CMA of the platform shows that lower order modes have radiation patterns like dipole antenna. Four inverted-F antennas are placed at the edge on platform surface. These four inverted-F antennas excite dominant and higher modes of the platform by selecting appropriate feed position.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133695513","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 Dual-band Filtering Antenna with a Large Frequency Ratio 一种大频率比双频滤波天线
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237443
Chaojun Ma, S. Zheng
{"title":"A Dual-band Filtering Antenna with a Large Frequency Ratio","authors":"Chaojun Ma, S. Zheng","doi":"10.1109/iWEM49354.2020.9237443","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237443","url":null,"abstract":"This paper presents a dual-band filtering antenna achieving a large frequency ratio of 8.2, which reveals high frequency selectivity within two operation bands and good radiation suppression at the middle band. The antenna is implemented using a square patch backed with a slotted substrate integrated waveguide (SIW) cavity. A feed network possessing the function of microwave (MW)/ millimeter-wave (MMW) signal separation is utilized to excite the radiating element. Simulated results show that the antenna can simultaneously work at 3.4GHz and the 28GHz. Besides, the out-of-band suppression is larger than 29 dB and 14.2 dB at two stop bands.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122043258","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
Comparison of NASA Almond Radar Cross Section Simulation Results from Shoot-Bouncing-Ray Method and Multi-Level-Fast-Multipole-Method 弹跳射线法与多级快速多极法NASA杏仁雷达截面模拟结果比较
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237433
S. M. Chung, S. Tuan
{"title":"Comparison of NASA Almond Radar Cross Section Simulation Results from Shoot-Bouncing-Ray Method and Multi-Level-Fast-Multipole-Method","authors":"S. M. Chung, S. Tuan","doi":"10.1109/iWEM49354.2020.9237433","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237433","url":null,"abstract":"NASA almond CAD model is a standard for radar cross section (RCS) evaluation. In this article we compare the RCS simulation results from Shoot-Bouncing-Ray (SBR) method and Multi-Level-Fast-Multipole-Method (MLFMM). We found under default solver in these two commercial codes, the RCS results show considerable difference in S band where it matters most in terms of RF stealth.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"7 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132500504","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
Design SIW iris bandpass filter at 18GHz 设计18GHz SIW虹膜带通滤波器
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237435
Bing-Jia Zhong, S. Wu
{"title":"Design SIW iris bandpass filter at 18GHz","authors":"Bing-Jia Zhong, S. Wu","doi":"10.1109/iWEM49354.2020.9237435","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237435","url":null,"abstract":"This paper shows rough procedure to design Substrate Integrated waveguide (SIW) bandpass filter. The center frequency is at 18GHz, and the bandwidth is about 1GHz. After calculating $frac{K}{Z_{0}}$ of K-inverter, we can substitute parallel inductor and transmission line for K-inverter. Finally, using curve fitting analysis to find the relation between iris window(W) and the inductor. The SIW bandpass filter at 18GHz have been design through these procedures.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115844285","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
Reuse the Spare TV-Band Spectrum Inside a Building 重用建筑物内的备用电视频段频谱
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2020-08-26 DOI: 10.1109/iWEM49354.2020.9237438
D. Shiung, Rong-Hong Yuan, Jeng-Ji Huang
{"title":"Reuse the Spare TV-Band Spectrum Inside a Building","authors":"D. Shiung, Rong-Hong Yuan, Jeng-Ji Huang","doi":"10.1109/iWEM49354.2020.9237438","DOIUrl":"https://doi.org/10.1109/iWEM49354.2020.9237438","url":null,"abstract":"Space shadowed by obstacles or indoor structures, e.g., space inside a building, is covered by poor incumbent signals and is unable to provide any useful incumbent services. The time-frequency slots in this space are ignored for a long time and in this paper we investigate the possibility to reuse them. We investigate the availability of these spare spectrum by field measuring the digital TV (DTV) signal strength and its signal quality. The field results show that the DTV signal strength inside a building is weak and the time-frequency slots inside a building have a potential for reuse especially by low-power radios.","PeriodicalId":201518,"journal":{"name":"2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"279 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122536063","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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