Broadband CPW‐fed circularly polarized square slot antenna with inverted‐L strips for wireless applications | Zendy

Rezaeieh Sasan Ahdi | Zendy; Kartal Mesut | Zendy

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Broadband CPW‐fed circularly polarized square slot antenna with inverted‐L strips for wireless applications

Author(s) -

Rezaeieh Sasan Ahdi,

Kartal Mesut

Publication year - 2012

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.26851

Subject(s) - square (algebra) , broadband , strips , wireless , slot antenna , optics , circular polarization , telecommunications , physics , turnstile antenna , antenna (radio) , optoelectronics , electrical engineering , microstrip antenna , materials science , engineering , mathematics , microstrip , geometry , composite material

This article proposes an impressive design of a circular polarized square slot antenna (CPSSA). The proposed single layer antenna composed of a square ground plane embedded with three unequal sized inverted‐L strips around corners, which are capable of generating a resonant mode for exciting two orthogonal E vectors. Compared to the previous similar CPSSA designs, the axial‐ratio bandwidth of the antenna is increased, more than two times. The designed CPSS antenna with its compact 40 × 40 × 0.8 mm 3 size operates over the frequency band between 2.63 and 6.38 GHz for VSWR<2 exhibiting a 71.11% (3–6.1 GHz) circular polarization (CP) bandwidth. Throughout this letter, the improvement process of the axial ratio and S 11 properties are presented and discussed in detailed. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1399–1402, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26851

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