Design of Multilevel Sequential Rotation Feeding Networks Used for Circularly Polarized Microstrip Antenna Arrays | Zendy

Aixin Chen | Zendy; Chuo Yang | Zendy; Zhizhang Chen | Zendy; Yanjun Zhang | Zendy; Yingyi He | Zendy

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Design of Multilevel Sequential Rotation Feeding Networks Used for Circularly Polarized Microstrip Antenna Arrays

Author(s) -

Aixin Chen,

Chuo Yang,

Zhizhang Chen,

Yanjun Zhang,

Yingyi He

Publication year - 2012

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2012/304816

Subject(s) - microstrip antenna , circular polarization , rotation (mathematics) , microstrip , phased array , communications satellite , radiation pattern , antenna array , bandwidth (computing) , electronic engineering , patch antenna , axial ratio , polarization (electrochemistry) , optics , computer science , engineering , antenna (radio) , telecommunications , physics , satellite , artificial intelligence , aerospace engineering , chemistry

Sequential rotation feeding networks can significantly improve performance of the circularly polarized microstrip antenna array. In this paper, single, double, and multiple series-parallel sequential rotation feeding networks are examined. Compared with conventional parallel feeding structures, these multilevel feeding techniques present reduction of loss, increase of bandwidth, and improvement of radiation pattern and polarization purity. By using corner-truncated square patch as the array element and adopting appropriate level of sequential rotation series-parallel feeding structures as feeding networks, microstrip arrays can generate excellent circular polarization (CP) over a relatively wide frequency band. They can find wide applications in phased array radar and satellite communication systems

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