2022 IEEE International RF and Microwave Conference (RFM)最新文献

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Ultrasonic Smart Stick Vision-Based EyeTech Digital System for Movement Tracking 基于超声智能棒视觉的EyeTech运动跟踪数字系统
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065212
Khadega Ahmed Mohammed Gubran, Muna Rabea Salim Hanien, Mohammed Salem Farag BinWahlan, Samir Salem Al-Bawri
{"title":"Ultrasonic Smart Stick Vision-Based EyeTech Digital System for Movement Tracking","authors":"Khadega Ahmed Mohammed Gubran, Muna Rabea Salim Hanien, Mohammed Salem Farag BinWahlan, Samir Salem Al-Bawri","doi":"10.1109/RFM56185.2022.10065212","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065212","url":null,"abstract":"There is no doubt that contemporary technology is the main engine of society's acceleration of growth and progress worldwide. It has become tactile for everything that people do daily. The smart stick approach is highly needed in the special needs group to help the blind and visually impaired on movement and mobility easily surround their environment. This paper uses a group of sensors and Arduino-Mega microcontroller to receive, process and analysis RF signals and issue an alert in a voice message that distinguishes the type of obstacles for the blind. This approach uses ultrasonic sensors to detect obstacles and constraints in the way of the blind and differentiate whether they are small in size and can be bypassed or a significant obstacle which highly required to change the direction directly. The proposed stick sensors also recognize the water puddles on the blind way. Moreover, the system contains a remote control and IR receiver to help the blind in case it falls or is lost in the surround of him, the stick is equipped with an RTC module to help the blind know the time anywhere easily by clicking on the remote control. In this project, we seek to provide an affordable lightweight, and easy-to-use this smart stick that serves the blind and helps them to move from one place to another.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115131093","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 Free-Space Measurement System for Microwave Materials at Kuband 库班微波材料自由空间测量系统
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10064980
R. Sivakumar, Y. Lee, Saidatul Norlyana Azemi, Zahari Awang Ahmad, Ping Jack Soh, K. You
{"title":"A Free-Space Measurement System for Microwave Materials at Kuband","authors":"R. Sivakumar, Y. Lee, Saidatul Norlyana Azemi, Zahari Awang Ahmad, Ping Jack Soh, K. You","doi":"10.1109/RFM56185.2022.10064980","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10064980","url":null,"abstract":"One of the non-resonant techniques is the free-space measurement technique, which is popular due to its many advantages compared to the other techniques. It allows the transmission and reflection measurements without any physical contact with the sample. This paper discusses the free-space material measurement system in Ku-band which uses the NRW algorithm and Keysight (Formerly Agilent) 85071E software in determining the dielectric properties of materials. The permittivity and permeability of Teflon, FR4, PVC, ABS, Acrylic, polypropylene, polycarbonate, and epoxy were determined using free space measurement setup. For the first, a free-space measurement for Ku-Band is setup. It consists of a vector network analyzer, two horn antennas, sample holder, and Keysight 85071E software. The different role of transmission and reflection measurements on the achievable results is analyzed about experimental uncertainties and different noise scenarios. Results from the two strategies are analyzed and compared. Good agreement between simulation, measurement, and literature was obtained.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115386320","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
Radar Clutter Analysis Based on Sea-To-Sea Wave Propagation in SISO and SIMO Radar 基于SISO和SIMO雷达海波传播的雷达杂波分析
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065227
Muhammad Nadiy Zaiaami, I. Pasya, N. E. Abd Rashid, Nor Najwa Ismail, Abdul Rahman Abdullah
{"title":"Radar Clutter Analysis Based on Sea-To-Sea Wave Propagation in SISO and SIMO Radar","authors":"Muhammad Nadiy Zaiaami, I. Pasya, N. E. Abd Rashid, Nor Najwa Ismail, Abdul Rahman Abdullah","doi":"10.1109/RFM56185.2022.10065227","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065227","url":null,"abstract":"Existing data on sea clutter in maritime radar was analyzed based on the conventional maritime radar that operated while both the transmitting and receiving antenna is located on the shore, detecting targets on the sea surface. For improvement of maritime radar performance, both the transmitting and receiving antenna is proposed to be mounted on vessels on the sea surface, creating a sea-to-sea propagation scenario. Therefore, the radar clutter in this situation needs to be newly evaluated. This paper presents a measurement of radar clutter in the above-mentioned scenario, emulated in a wave simulator facility. It was found that clutters in the form of positive Dopplers were dominantly present in the system, corresponding to the approaching wave, while small negative Dopplers were also measured, due to the receding wave. Additionally, measurement using a single-input multiple-output (SIMO) configuration found that the clutters increased statistically and in receiving power, due to the multiple receiving antenna used.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125062479","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
Ribbon-Shaped Antenna Design for UHF RFID Tag using Transparency Paper Material 透明纸材料超高频RFID标签带状天线设计
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065112
Mohamad Fakrie Mohd Ali, O. Ayop, M. Rahim, N. Murad
{"title":"Ribbon-Shaped Antenna Design for UHF RFID Tag using Transparency Paper Material","authors":"Mohamad Fakrie Mohd Ali, O. Ayop, M. Rahim, N. Murad","doi":"10.1109/RFM56185.2022.10065112","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065112","url":null,"abstract":"This paper presents an improvised dipole antenna that is designed for passive Radio Frequency Identification (RFID) tag utilizing transparency paper (polycarbonate) for the substrate and copper tape as the radiating element. The main positive impacts of this method are the performances (realized gain G, return loss RL and total efficiency ηt) of the antenna design for Ultra High Frequency (UHF) as well as the compactness compared to the straight antenna design for RFID tag. The efficacy of the proposed method is attained by generating the simulation through Computer Simulation Technology (CST) and modifying the various parameter changes namely to the size, the shape of the ribbon antenna, the gap of discreet port and the width of the meander line. In comparison with the straight antenna design, the rounded ribbon antenna shows an improvement in terms of realized gain, return loss, total efficiency and size of the design which are 2.052 dBi, -33.98, 99.57% and 125mm respectively.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114290555","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 Developed Mechanism for the Measurement of the Plasma Density Along a Surface Wave Excited Plasma Column 一种沿表面波激发等离子体柱测量等离子体密度的发展机制
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065351
F. Sadeghikia, M. Dorbin, J. R. Rashed Mohassel, Hajar Binti Ja’afar
{"title":"A Developed Mechanism for the Measurement of the Plasma Density Along a Surface Wave Excited Plasma Column","authors":"F. Sadeghikia, M. Dorbin, J. R. Rashed Mohassel, Hajar Binti Ja’afar","doi":"10.1109/RFM56185.2022.10065351","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065351","url":null,"abstract":"This paper is focused on the development of a new mechanism for the measurement of the plasma density along a surface wave excited plasma column. In the proposed method, based on the measurement of the phase differences between the probes of a phase difference detector microchip, the propagation constant and consequently the plasma density distribution along the column is estimated. For validation, an analytical technique is used to determine the plasma density along a plasma antenna. Good agreement between the analytical and measurement results validates the proposed measurement technique.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117289875","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 Spiral Array for OAM Mode Generation 一种用于OAM模式生成的螺旋阵列
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065170
Deepak Yadav, Jyothish R. Pillai, M. D. Upadhayay, J. Prajapati, Naveen G. Babu
{"title":"A Spiral Array for OAM Mode Generation","authors":"Deepak Yadav, Jyothish R. Pillai, M. D. Upadhayay, J. Prajapati, Naveen G. Babu","doi":"10.1109/RFM56185.2022.10065170","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065170","url":null,"abstract":"This paper presents the generation of various OAM modes using novel spiral array of rectangular patch antennas. The proposed design ceases the requirement of a complex power dividing phased network. The presented OAM antenna is designed to resonate at 5.2 GHz for WLAN applications and can generate OAM beam with topology charge l = 0, ±1. A comparison study of the new OAM design with the conventional Uniform Circular Array (UCA) used for OAM modes generation is also presented.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128548513","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
Multitone Digital Predistortion Method of RF Power Amplifiers for 5G Systems 5G系统射频功率放大器的多音数字预失真方法
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065095
J. Ordosgoitti, A. Eroglu
{"title":"Multitone Digital Predistortion Method of RF Power Amplifiers for 5G Systems","authors":"J. Ordosgoitti, A. Eroglu","doi":"10.1109/RFM56185.2022.10065095","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065095","url":null,"abstract":"An effective method to enhance Adjacent Channel Leakage Ratio (ACLR) and Error Vector Magnitude (EVM) in the presence of multitone amplitude and phase variation within the carrier band and adjacent frequencies for power amplifiers using predistortion is developed and demonstrated for 5G Systems. The effects of multiple tones with varying amplitude and phase are studied and the closed form relations for predistortion coefficients are obtained for cancellation of the intermodulation products. The proposed method was then verified through physical measurements using a commercial power amplifier where reduction of intermodulation was achieved, and the adjacent leakage ratio performance was improved.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121164036","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
Characterization of Carbon-based NFC Tag Antenna Design 碳基NFC标签天线设计的表征
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065256
N. M. Faudzi, Ahmad Rashidy Razali, A. A. Manaf, Nurul Huda Abd Rahman, Ahmad Azlan Aziz, Amiruddin Ibrahim, A. M. Mozi
{"title":"Characterization of Carbon-based NFC Tag Antenna Design","authors":"N. M. Faudzi, Ahmad Rashidy Razali, A. A. Manaf, Nurul Huda Abd Rahman, Ahmad Azlan Aziz, Amiruddin Ibrahim, A. M. Mozi","doi":"10.1109/RFM56185.2022.10065256","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065256","url":null,"abstract":"This paper presents the characterization of carbon-based antenna for NFC tag application. Carbon-based material is well known for its low cost, bio-compatible and non-oxidized characteristics. However, there are several drawbacks with carbon-based materials in antenna application including its high resistance loss property. Therefore, a parametric study on the antenna geometry has been carried out to achieve the optimum design of a carbon-based NFC tag antenna. Analysis of the antenna electrical parameters including inductance, resistance and quality factor has also been highlighted in this paper. From the simulation analysis, it is observed that varying the width of the coil, the gap between the coils, the number of turns and the width of the chamfer can contribute to the reduction of the antenna resistance. The final design of the carbon-based NFC tag antenna has achieved the resistance value of 55.10 Ω, which is approximately 94 % reduced from the initial design with a similar conductivity. The antenna reflection coefficient, S11 and antenna tuning circuit also have been observed and developed through simulation.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116489942","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
Implementation Method for Broadband Metasurfaces Based on a Distributed Transmission-Line Model 基于分布式在线传输模型的宽带元表面实现方法
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065054
I. Suhara, T. Nagayama, Toshio Watanabe, S. Fukushima
{"title":"Implementation Method for Broadband Metasurfaces Based on a Distributed Transmission-Line Model","authors":"I. Suhara, T. Nagayama, Toshio Watanabe, S. Fukushima","doi":"10.1109/RFM56185.2022.10065054","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065054","url":null,"abstract":"We propose an implementation method for broadband metasurfaces based on a one-dimensional distributed transmission-line model. Five types of one-dimensional meander microstrip-line structures are proposed and a metasurface refracting a normal incident plane wave with a 20-degree angle is implemented with those. Line length of each structure is determined from the theoretical formula of the model and the error from the theoretical value is modified by eigenfrequency analysis. Full-wave simulations are carried out, and the broadband refracting operations and the validity of the proposed method are confirmed.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121948928","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
High Accuracy Angelov Model for GaN HEMTs with Trapping Effects for Switch-Mode Power Amplifiers 用于开关模式功率放大器的具有捕获效应的GaN hemt高精度Angelov模型
2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI: 10.1109/RFM56185.2022.10065155
C. Shelton, A. Eroglu
{"title":"High Accuracy Angelov Model for GaN HEMTs with Trapping Effects for Switch-Mode Power Amplifiers","authors":"C. Shelton, A. Eroglu","doi":"10.1109/RFM56185.2022.10065155","DOIUrl":"https://doi.org/10.1109/RFM56185.2022.10065155","url":null,"abstract":"High accuracy large signal Angelov model including higher order self-heating and trapping effects for high-power GaN HEMT is introduced. The dynamic load analysis is performed, pulsed DC and S parameter measurements have been conducted to extract an accurate large signal Angelov model for high power GaN HEMTs. Regions within the physical layers of the device trap charge depleting the active channel resulting in a reduction in performance and its impacts are investigated. The impact of the trapping effects in GaN HEMTs for switch mode RF power amplifiers are then studied by employing the extracted Angelov GaN HEMT model.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115874807","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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