{"title":"A Modular Microstrip Phased-array Antenna for Low-Cost, Beam-Steerable Application","authors":"Lu Yin, Peng Yang, Z. Nie","doi":"10.1109/APS/URSI47566.2021.9704707","DOIUrl":null,"url":null,"abstract":"This paper presents a K-band (17.7-19.7 GHz) beam steerable phased-array antenna for satellite communication (SATCOM) application. The microstrip patch antenna with PIN diode switches loaded can provide 2-bit phase resolution, thereby realizing the two-dimensional beam scanning. To illustrate the feasibility of this method, we used the reconfigurable 2-bit element to make a modular sparse subarray. Through the subarray splicing technology, full-wave simulation was performed on the regularly arranged 7 subarrays. The simulation results show that the array antenna has a stable left-handed circularly polarized (LHCP) radiation pattern, which can be steered to an elevation angle of $45^{\\circ}$. For all directional beams, the sidelobe levels (SLLs) and axial ratio (AR) performance can be maintained well.","PeriodicalId":6801,"journal":{"name":"2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)","volume":"5 1","pages":"769-770"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS/URSI47566.2021.9704707","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents a K-band (17.7-19.7 GHz) beam steerable phased-array antenna for satellite communication (SATCOM) application. The microstrip patch antenna with PIN diode switches loaded can provide 2-bit phase resolution, thereby realizing the two-dimensional beam scanning. To illustrate the feasibility of this method, we used the reconfigurable 2-bit element to make a modular sparse subarray. Through the subarray splicing technology, full-wave simulation was performed on the regularly arranged 7 subarrays. The simulation results show that the array antenna has a stable left-handed circularly polarized (LHCP) radiation pattern, which can be steered to an elevation angle of $45^{\circ}$. For all directional beams, the sidelobe levels (SLLs) and axial ratio (AR) performance can be maintained well.
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