A Full-Space Continuously Scanning SSPP Antenna With Stopband Suppression Enabled by Sinusoidal Odd-Mode Modulation

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-09-03 DOI:10.1109/LAWP.2025.3605866

Xiangzhuang Song;Bian Wu;Yifeng Fan;Jiao Yin;Yu-Tong Zhao

{"title":"A Full-Space Continuously Scanning SSPP Antenna With Stopband Suppression Enabled by Sinusoidal Odd-Mode Modulation","authors":"Xiangzhuang Song;Bian Wu;Yifeng Fan;Jiao Yin;Yu-Tong Zhao","doi":"10.1109/LAWP.2025.3605866","DOIUrl":null,"url":null,"abstract":"This letter proposes a leaky-wave antenna (LWA) based on an odd-mode spoof surface plasmon polaritons (SSPPs) waveguide, offering full-space beam scanning capability and stopband suppression. The SSPPs waveguide comprises periodically arranged complementary T-shaped units and is excited by a microstrip-to-slot transition to generate an odd-mode E-field distribution. Sinusoidal modulation with a waveform shift creates an asymmetric radiation field, suppressing the open stopband and enabling continuous scanning. Additionally, stub branches are uniformly placed at the modulated E-field peaks, significantly enhancing radiation efficiency and gain, particularly at edge frequencies. Simulated and measured results demonstrate a 9.5 GHz to 16.75 GHz operating band (55.2%), with 93% average radiation efficiency and 11.3 dBi average realized gain. The combination of structural simplicity, stopband suppression, and high-efficiency full-space scanning makes the proposed design superior to conventional LWAs.","PeriodicalId":51059,"journal":{"name":"IEEE Antennas and Wireless Propagation Letters","volume":"24 10","pages":"3819-3823"},"PeriodicalIF":4.8000,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Antennas and Wireless Propagation Letters","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/11150480/","RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}

引用次数: 0

Abstract

This letter proposes a leaky-wave antenna (LWA) based on an odd-mode spoof surface plasmon polaritons (SSPPs) waveguide, offering full-space beam scanning capability and stopband suppression. The SSPPs waveguide comprises periodically arranged complementary T-shaped units and is excited by a microstrip-to-slot transition to generate an odd-mode E-field distribution. Sinusoidal modulation with a waveform shift creates an asymmetric radiation field, suppressing the open stopband and enabling continuous scanning. Additionally, stub branches are uniformly placed at the modulated E-field peaks, significantly enhancing radiation efficiency and gain, particularly at edge frequencies. Simulated and measured results demonstrate a 9.5 GHz to 16.75 GHz operating band (55.2%), with 93% average radiation efficiency and 11.3 dBi average realized gain. The combination of structural simplicity, stopband suppression, and high-efficiency full-space scanning makes the proposed design superior to conventional LWAs.

查看原文本刊更多论文

利用正弦奇模调制实现阻带抑制的全空间连续扫描SSPP天线

这封信提出了一种基于奇模欺骗表面等离子激元（SSPPs）波导的漏波天线（LWA），提供全空间波束扫描能力和阻带抑制。SSPPs波导包括周期性排列的互补t形单元，并通过微带-槽跃迁激发产生奇模电场分布。波形移位的正弦调制产生不对称辐射场，抑制开阻带并实现连续扫描。此外，短分支均匀地放置在调制的电磁场峰值处，显著提高了辐射效率和增益，特别是在边缘频率处。仿真和实测结果表明，工作频带为9.5 GHz ~ 16.75 GHz，平均辐射效率为93%，平均实现增益为11.3 dBi。结构简单，阻带抑制和高效全空间扫描的结合使所提出的设计优于传统的LWAs。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.