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RCS Characteristics of Road Debris at 79GHz Millimeter-wave Radar 79GHz毫米波雷达下道路碎片RCS特性研究
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714559
Masahiro Shibao, K. Uchiyama, A. Kajiwara
{"title":"RCS Characteristics of Road Debris at 79GHz Millimeter-wave Radar","authors":"Masahiro Shibao, K. Uchiyama, A. Kajiwara","doi":"10.1109/RWS.2019.8714559","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714559","url":null,"abstract":"Debris may cause accidents or disasters on highway and runway. Many debris-related traffic accidents have actually happened on highway and we also remember the Concord jet crash accident happened in 2000 which was caused by a metal debris. These accidents may be avoidable using 79GHz ultra-wideband (UWB) radar since it offers high range-resolution and all-weather capability (known as all-weather sensor). This paper presents 79GHz radar-cross-section (RCS) characteristics essential for detectable range estimation of road debris. For the radar system design of debris-detection and ranging, the knowledge of RCS measure of various road debris is of great importance. We conducted RCS measurement for typical road debris at 79GHz and investigated the RCS fluctuation of road debris for vertical and horizontal polarizations. Please note that there is no report regarding to the 79GHz RCS of road debris as far as the authors know. The 79GHz RCS are also compared with 24GHz RCS.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127865301","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
A Sub-6 GHz Multi-Beam Base Station Antenna for 5G with an Arbitrary Beam-Tilting for Each Beam 用于5G的Sub-6 GHz多波束基站天线，每个波束具有任意波束倾斜
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714542
M. Sanad, N. Hassan
{"title":"A Sub-6 GHz Multi-Beam Base Station Antenna for 5G with an Arbitrary Beam-Tilting for Each Beam","authors":"M. Sanad, N. Hassan","doi":"10.1109/RWS.2019.8714542","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714542","url":null,"abstract":"A sub-6 GHz (3.3 – 7.0 GHz) multi-beam base station antenna has been developed for 5G. It consists of two parabolic cylindrical reflectors and several feeds. It can generate an arbitrary number of beams with arbitrary vertical and horizontal beamwidths. Each beam can be electrically tilted with an arbitrary vertical/horizontal tilt angles. It can have horizontal and vertical sectorization at the same time. This doubles the number of beams. Hence, every user will always be close to the peak of one of the beams. So, it can be used as a good configuration for switched beam smart base station antennas.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129212298","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
Transmission Experiments for 32APSK by Digital Pre-Distortion over Satellite Simulator 32APSK数字预失真卫星模拟器传输实验
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714454
M. Kojima, Yoichi Suzuki, Y. Koizumi, H. Sujikai
{"title":"Transmission Experiments for 32APSK by Digital Pre-Distortion over Satellite Simulator","authors":"M. Kojima, Yoichi Suzuki, Y. Koizumi, H. Sujikai","doi":"10.1109/RWS.2019.8714454","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714454","url":null,"abstract":"Aiming for a practical usage of 32APSK in 4K/8K UHDTV satellite broadcasting, we have developed a digital pre-distortion technique to compensate for distortion from the satellite transponder. We develop a prototype transmitter and evaluate the performance improvement of the digital pre-distortion technique for 32APSK in experiments conducted over the 12 GHz-band satellite channel.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122209464","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
Low Power and Miniaturized Back-End Processing System for an L-Band Radiometer based on ARM Embedded Microprocessor 基于ARM嵌入式微处理器的l波段辐射计低功耗小型化后端处理系统
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714392
Daniel Ernesto Mera-Romo, R. Rodríguez-Solís
{"title":"Low Power and Miniaturized Back-End Processing System for an L-Band Radiometer based on ARM Embedded Microprocessor","authors":"Daniel Ernesto Mera-Romo, R. Rodríguez-Solís","doi":"10.1109/RWS.2019.8714392","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714392","url":null,"abstract":"This paper presents the design and construction of an ultra-low power and miniaturized back end system for processing real-time L-band radiometric data based on an ARM A8 embedded microprocessor. In the worst-case scenario, the power consumption has been measured at only 1.7 W and the size of the radiometer has been significantly reduced to a 30cm x 30cm x 10cm. The system was tested for different integration times, and high-level software optimizations were applied to the main program written in C, running on an embedded Linux OS to reduce the power even more, down to 1.52 W. This technological breakthrough will allow these systems to become portable, low cost, and be carried by small drones to scan a large area.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"25 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123276810","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
Design of Planar Microstrip-to-Waveguide Transitions Using Topology Optimization 基于拓扑优化的平面微带波导转换设计
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714566
E. Hassan, M. Berggren, B. Scheiner, F. Michler, R. Weigel, F. Lurz
{"title":"Design of Planar Microstrip-to-Waveguide Transitions Using Topology Optimization","authors":"E. Hassan, M. Berggren, B. Scheiner, F. Michler, R. Weigel, F. Lurz","doi":"10.1109/RWS.2019.8714566","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714566","url":null,"abstract":"This paper presents a topology optimization approach to design planar transitions between a microstrip line (MSL) and a rectangular waveguide (RWG) in the K-band. The transition comprises two sub-transitions: one from the MSL to a substrate integrated waveguide (SIW) and the second from the SIW to the RWG. Both are on the same substrate and can be manufactured with a standard printed circuit board process. This leads to a very cost-effective solution compared with other approaches. A WR-42 waveguide can easily be surface mounted to the transitions using a standard flange. The transitions have been fabricated, and their measured performance shows good agreement with the simulations. The MSL-SIW transition has a broadband behavior and the SIW-RWG transition still reaches a relative bandwidth of 10%.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128881480","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: 13
Closed-loop Adaptive Transcutaneous Wireless Power Transfer System for Implantable Sensors 用于植入式传感器的闭环自适应经皮无线电力传输系统
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714544
N. Tasneem, D. Biswas, I. Mahbub
{"title":"Closed-loop Adaptive Transcutaneous Wireless Power Transfer System for Implantable Sensors","authors":"N. Tasneem, D. Biswas, I. Mahbub","doi":"10.1109/RWS.2019.8714544","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714544","url":null,"abstract":"Even though inductively-coupled wireless power transfer system has been significantly developed in the past few decades for implantable sensors, the efficient and continuous transfer of power still remains as a challenge as the distance and alignment vary over time. A scheme for adaptively regulating the transferred power within a certain range instead of delivering a constant power is proposed in this paper. The proposed design is implemented using a standard $0.5 mu m$ CMOS process and it utilizes the Load-shift Keying (LSK) technique to sense the variations in the distance and alignment between the transponder and the receiver implant. In the proposed power regulation scheme, the DC voltage output of the rectifier is regulated within a threshold window by changing the supply voltage of the class-E power amplifier (PA) at the transmitter side. Based on the voltage regulation, the proposed adaptive system transmits 2.25 mW to 13.5 mW of power over a distance range of 1 to 8 mm. The simulation result of the proposed scheme shows a 14.89% efficiency improvement compared to the system without the adaptive control mechanism.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"08 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117048242","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 60 GHz Ring Sensor with Differential Feed-lines for Dielectric Spectroscopy in Biomedical Applications 60 GHz差分馈线环形传感器在生物医学领域的应用
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714199
R. Yadav, J. Wessel, D. Kissinger
{"title":"A 60 GHz Ring Sensor with Differential Feed-lines for Dielectric Spectroscopy in Biomedical Applications","authors":"R. Yadav, J. Wessel, D. Kissinger","doi":"10.1109/RWS.2019.8714199","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714199","url":null,"abstract":"A resonant sensor is an important tool to distinguish minute changes in dielectric permittivity of a sample. Low changes in permittivity are characteristic to physiological parameters such as body glucose levels, sputum analysis, cell characterization and so on. This work presents the design, simulation and measurement results of a resonant sensor for dielectric spectroscopy in biomedical applications. A 60 GHz ring sensor for differential feed-lines in reflecto-metric read-outs is presented along with measurements using DI-water, methanol, and dimethylsulphoxide (DMSO). A shift in the sensor’s center frequency is observed along with the change in the quality factor of its input reflection coefficient.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126955376","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 investigation of Transition between Substrate Integrated Waveguide (SIW) And Electromagnetic Band Gap (EBGs) Waveguides and its applications 衬底集成波导(SIW)与电磁带隙波导(EBGs)之间的过渡及其应用研究
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714324
F. Grine, T. Djerafi, M. T. Benhabiles, M. L. Riabi
{"title":"The investigation of Transition between Substrate Integrated Waveguide (SIW) And Electromagnetic Band Gap (EBGs) Waveguides and its applications","authors":"F. Grine, T. Djerafi, M. T. Benhabiles, M. L. Riabi","doi":"10.1109/RWS.2019.8714324","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714324","url":null,"abstract":"In this paper, two planar waveguides and a rounded bend is proposed, designed and implemented through a hybrid structure of substrate integrated waveguide (SIW) and electromagnetic bandgap (EBG) material. For the design of the two EBGs waveguides, a square and triangular lattice of holes are used and is situated between two metal plates. The SIW line and bend are inserted on EBG waveguide to enhance performance. The transition between SIW and EBGs waveguides is investigated. The back-to-back prototype transition is fabricated and measured. The combination EBG-SIW covers almost the whole EBG bandwidth of 6 GHz (17 %) around 35 GHz.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131046653","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
A Wideband Magnetic-Free Circulator Using Spatio-Temporal Modulation of 2-pole Bandpass Filters 利用两极带通滤波器时空调制的宽带无磁环行器
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8714548
M. Nafe, Xiaohu Wu, X. Liu
{"title":"A Wideband Magnetic-Free Circulator Using Spatio-Temporal Modulation of 2-pole Bandpass Filters","authors":"M. Nafe, Xiaohu Wu, X. Liu","doi":"10.1109/RWS.2019.8714548","DOIUrl":"https://doi.org/10.1109/RWS.2019.8714548","url":null,"abstract":"Spatio-temporal modulation (STM) has been recently introduced to efficiently implement angular momentum biasing, which is a biasing technique that breaks the time reversal symmetry yielding a non-reciprocal response. In literature, several circulators have been designed using STM of triple first-order series or shunt resonators connected in Y or $Delta$ topology. Utilizing first-order resonators leads to a narrow band response in terms of isolation and return loss. In this paper, we tackle this problem by using a 2-pole series bandpass resonators. As a proof-of-concept, the circulator is designed at 500MHz, and demonstrates a 15-dB isolation fractional bandwidth of 8.5%, insertion loss of 3.9 dB, and return loss of better than 13 dB.)","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131388909","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
Directions in 3-D printed RF systems for space applications 空间应用的3d打印射频系统研究方向
2019 IEEE Radio and Wireless Symposium (RWS) Pub Date : 1900-01-01 DOI: 10.1109/RWS.2019.8754659
A. Paolella
{"title":"Directions in 3-D printed RF systems for space applications","authors":"A. Paolella","doi":"10.1109/RWS.2019.8754659","DOIUrl":"https://doi.org/10.1109/RWS.2019.8754659","url":null,"abstract":"This paper explores the potential of a 3-D printing technology for the development of radio frequency (RF) systems with applications in small satellites in a low Earth orbit. 3-D printed materials must survive the harsh environment of space and meet the operational requirements of the spacecraft. The results of a material study and the development of RF 3-D printed circuits are summarized.","PeriodicalId":131330,"journal":{"name":"2019 IEEE Radio and Wireless Symposium (RWS)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126382978","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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