IEEE Transactions on Antennas and Propagation最新文献_第2页

Generation of Multichannel Coaxial Quasiperfect Vortex Electromagnetic Waves With Equal Divergence Radii Based on Aperture-Shared Metasurface 基于孔径共享超表面的多通道等发散半径同轴准完美涡旋电磁波的产生

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-18 DOI: 10.1109/TAP.2025.3560491

Li Deng;Kaiqiao Yang;Kaiyue Yin;Jiawei Chen;Meijun Qu;Botao Feng

{"title":"Generation of Multichannel Coaxial Quasiperfect Vortex Electromagnetic Waves With Equal Divergence Radii Based on Aperture-Shared Metasurface","authors":"Li Deng;Kaiqiao Yang;Kaiyue Yin;Jiawei Chen;Meijun Qu;Botao Feng","doi":"10.1109/TAP.2025.3560491","DOIUrl":"https://doi.org/10.1109/TAP.2025.3560491","url":null,"abstract":"Vortex electromagnetic (EM) waves hold significant promise for next-generation wireless communication applications. However, their practical deployment is hindered by varying divergence characteristics across vortex modes with different mode numbers. To overcome this challenge and enable true spatial multiplexing of orbital angular momentum (OAM) waves, a dual-polarized shared-aperture metasurface is proposed. By leveraging both polarization and OAM multiplexing, quasiperfect vortex (QPV) EM waves with coaxial beams and equal divergence radii are successfully generated at microwave frequencies. Initially, the properties of QPV waves in the microwave band are analyzed, followed by the design of a dual-polarized metasurface unit. This unit integrates parasitic damping-coupled patches based on the traditional Jerusalem cross structure, providing polarization-independent control and approximately 360° phase-tuning capability. Furthermore, simulations validate the effectiveness of the dual-polarized single-mode metasurface design. Based on this, the concept is extended to a 4-channel multiplexing metasurface, operating at 15 GHz and capable of generating QPV waves. Finally, experimental results from the fabricated metasurface demonstrate the generation of QPV waves with OAM mode numbers 0, +2, +1, and −1, achieving simulated and measured OAM mode purities of 0.835 and 0.70, respectively. The experimental data closely aligns with simulations, confirming the effectiveness of the design. This study offers new insight into generating and applying perfect vortex EM waves, paving the way for high-capacity near-field wireless communication systems and advanced control of novel EM physical dimensions.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4583-4594"},"PeriodicalIF":4.6,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Planar Surface-Wave Antenna for CubeSats With Directive Radiation Exactly at Endfire 端火精确定向辐射立方体卫星平面表面波天线

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-16 DOI: 10.1109/TAP.2025.3559689

Khalid M. Alrushud;Victoria Gómez-Guillamón Buendía;Symon K. Podilchak

{"title":"Planar Surface-Wave Antenna for CubeSats With Directive Radiation Exactly at Endfire","authors":"Khalid M. Alrushud;Victoria Gómez-Guillamón Buendía;Symon K. Podilchak","doi":"10.1109/TAP.2025.3559689","DOIUrl":"https://doi.org/10.1109/TAP.2025.3559689","url":null,"abstract":"A two-layer planar surface-wave antenna (SWA) with directive gain exactly at endfire is proposed for applications including integration with solar panels, CubeSats, and other small satellites. Moreover, by co-design and including air vias (AVs) for the surface-wave aperture, the structure becomes semi-transparent and can be positioned on top of solar panels, and this can improve solar power harvesting capabilities. Structure excitation is made possible by a leaky T-junction dual-feeder using substrate-integrated waveguide (SIW) technology, creating a uniform wavefront that propagates through a truncated parallel-plate waveguide (PPW) section. In addition, a matching section based on an array of subwavelength printed patches is also included at the interface between the PPW and the grounded dielectric slab (GDS), while the AV section is positioned between the GDS and air region to improve antenna radiation. These features allow for an efficient and compact aperture, and findings are competitive compared to other relevant structures. For instance, the measured prototype demonstrated a peak realized gain (RG) of 17.5 dBi at 18.6 GHz, as well as high radiation efficiency and sidelobe levels (SSLs) of about −10 dB. This makes the SWA suitable for high data rate downlink communications when nondeployable designs are required on CubeSats, for example, or wherever a low-profile, simple, and planar antenna is needed with radiation directly at endfire.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 6","pages":"4086-4091"},"PeriodicalIF":4.6,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144219627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microwave, mm and THz Imaging and Sensing Systems and Technologies for Medical Applications 微波，毫米和太赫兹成像和传感系统和技术的医疗应用

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3547194

引用次数: 0

Numerical and Analytical Methods for Complex Electromagnetic Media 复杂电磁介质的数值与解析方法

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3547192

引用次数: 0

A 140-GHz 35.2-dBm Multifeed Power-Combining Transmitarray Integrated With CMOS Transmitter for 48-Gb/s Communications 用于48gb /s通信的140-GHz 35.2 dbm多馈源功率组合发射阵列与CMOS发射机集成

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3556284

Jiapeng Wan;Yizhu Shen;Teng Li;Yifan Ding;Sanming Hu

{"title":"A 140-GHz 35.2-dBm Multifeed Power-Combining Transmitarray Integrated With CMOS Transmitter for 48-Gb/s Communications","authors":"Jiapeng Wan;Yizhu Shen;Teng Li;Yifan Ding;Sanming Hu","doi":"10.1109/TAP.2025.3556284","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556284","url":null,"abstract":"This communication introduces a highly integrated, high-power multifeed power-combining transmitarray integrated with complementary metal-oxide-semiconductor (CMOS) transmitter. The proposed design employs active feeds fabricated utilizing 40-nm CMOS technology. A passive transmitarray is designed based on cost-effective printed circuit board (PCB) technology. In the active feed section, high-power direct up-conversion active transmitter circuits are utilized alongside higher-order mode dielectric resonator (DR) antennas to significantly enhance the effective isotropic radiated power (EIRP) while facilitating communication functions. The passive transmitarray section incorporates a novel concept of power-combining transmitarray, overcoming the conventional limitations of two-way power combining and feed spacing being less than half the wavelength. This technique enables watt-level output while maintaining the low cost and high integration. The measured maximum EIRP reaches 35.2 dBm at 140 GHz, marking a 25.4 dB increase over a single active feed. Consequently, this active antenna achieves a data transmission rate of 48 Gb/s.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"5005-5009"},"PeriodicalIF":4.6,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Institutional Listings 机构清单

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3547188

引用次数: 0

IEEE Transactions on Antennas and Propagation Publication Information IEEE天线与传播学报出版信息

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3547196

引用次数: 0

Guest Editorial Measurement Technologies for Emerging 5G and Beyond Channel Characterization and Antenna Systems 新兴5G及超信道特性和天线系统的测量技术

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3548732

Wei Fan;Tian Hong Loh;Lars Foged;Benoit Derat;Yi Huang;Pekka Kyösti

引用次数: 0

IEEE Transactions on Antennas and Propagation Information for Authors IEEE天线与传播信息学报

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-08 DOI: 10.1109/TAP.2025.3547190

引用次数: 0

Enlarged Modulation Rate for Narrowband Magnetoelectric Mechanical Antennas Through Predistortion Waveform Design 通过预失真波形设计提高窄带磁电机械天线的调制速率

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-07 DOI: 10.1109/TAP.2025.3555109

Zhaoqiang Chu;Shizhan Jiang;Yuzhu Ren;Zhineng Mao;Wei Dan;Shugang Min;Chenyuan Yu;Gaoqi Dou;Tianxiang Nan

{"title":"Enlarged Modulation Rate for Narrowband Magnetoelectric Mechanical Antennas Through Predistortion Waveform Design","authors":"Zhaoqiang Chu;Shizhan Jiang;Yuzhu Ren;Zhineng Mao;Wei Dan;Shugang Min;Chenyuan Yu;Gaoqi Dou;Tianxiang Nan","doi":"10.1109/TAP.2025.3555109","DOIUrl":"https://doi.org/10.1109/TAP.2025.3555109","url":null,"abstract":"High mechanical quality factor (<inline-formula> <tex-math>${Q}_{m}$ </tex-math></inline-formula>) for a magnetoelectric (ME) mechanical transmitter is normally desired to decrease the mechanical damping and thus to improve the coupling efficiency. However, the ring-up/down process requires a prolonged duration due to the narrowband characteristics of a high-Qm ME antenna, which causes severe intersymbol interference (ISI) and significantly limits the data transmission rate when conventional modulation schemes [e.g., amplitude shift keying (ASK)] are adopted. In this work, we propose a predistortion waveform design to suppress the ISI when transmitting a bitstream with high symbol rate for a narrowband ME antenna. Different from the arbitrary waveform design without any constraints, we limit the peak voltage of the predistortion waveform three times the level of the stable value after considering an economic power amplifier design. Accordingly, a modified binary ASK (modified BASK) modulation scheme is established. Experimental and simulation results show that modified BASK achieves a fivefold bandwidth improvement with only a 20% reduction in efficiency. Experimental results show that reliable communication rate based on the proposed waveform design can reach 1000 bps at a 15 m communication distance, while the counterpart for conventional BASK method is only 500 bps with 10 m distance. The proposed predistortion waveform and the established modulation method circumvent the mutual limitation between the information bandwidth and the physical bandwidth for a very-low frequency (VLF) mechanical antenna and are believed to speed up the communication application for ME antennas in VLF band.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4409-4420"},"PeriodicalIF":4.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0