Stubs‐integrated‐microstrip antenna design for wide coverage of circularly polarised radiation | Zendy

Vignesh Shanmugam B. | Zendy; Alphones Arokiaswami | Zendy

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Stubs‐integrated‐microstrip antenna design for wide coverage of circularly polarised radiation

Author(s) -

Vignesh Shanmugam B.,

Alphones Arokiaswami

Publication year - 2017

Publication title -

iet microwaves, antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.555

H-Index - 69

eISSN - 1751-8733

pISSN - 1751-8725

DOI - 10.1049/iet-map.2016.0366

Subject(s) - stub (electronics) , microstrip antenna , microstrip , patch antenna , optics , radiator (engine cooling) , radiation pattern , axial ratio , physics , radiation , optoelectronics , antenna (radio) , circular polarization , electronic engineering , electrical engineering , engineering

A generalised stubs‐integrated‐microstrip (SIM) antenna with wide coverage circularly polarised (CP) radiation is proposed for radio‐frequency energy harvesting applications. The antenna consists of a microstrip patch radiator with four integrated asymmetric/symmetric‐stubs and a coaxial feed. Four stubs are integrated at the corners of a square microstrip radiator. The stub lengths or stub gaps from the microstrip radiator are optimised for wide‐beam CP radiation. Four different combinations of asymmetric/symmetric based SIM antennas are designed, fabricated, and tested. The proposed antennas are able to cover upper‐half area with CP radiation across the 3‐dB axial ratio bandwidth.

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