A Novel Design of Parasitically Gap Coupled Patches Forming an Elliptical Patch Antenna for Broadband Performance | Zendy

Vijay Sharma | Zendy

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A Novel Design of Parasitically Gap Coupled Patches Forming an Elliptical Patch Antenna for Broadband Performance

Author(s) -

Vijay Sharma

Publication year - 2014

Publication title -

chinese journal of engineering

Language(s) - English

Resource type - Journals

ISSN - 2314-8063

DOI - 10.1155/2014/365048

Subject(s) - bandwidth (computing) , broadband , patch antenna , enhanced data rates for gsm evolution , microstrip antenna , acoustics , radiation pattern , optics , physics , antenna (radio) , materials science , geometry , telecommunications , mathematics , computer science

A novel single layer assembly of gap coupled elements in elliptical shape is proposed in this communication to achieve broadband performance. Among the five patches considered in the present assembly, two pairs of patches having different patch areas are arranged around an edge truncated elliptical patch. The central edge truncated elliptical patch is fed through an inset feed arrangement and the other patches are parasitically gap coupled to the central patch. With such an arrangement, an enhanced impedance bandwidth of 2.45 GHz (or 36.2%) with respect to central frequency 6.1 GHz is achieved. Three resonant modes are excited with this arrangement giving improved bandwidth and gain in comparison to a conventional elliptical patch antenna. The simulated radiation patterns of proposed arrangement of patches suggest that these are identical in shape and direction of maximum radiations is directed normally to assembly of patches

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