A High‐Gain Microstrip Patch Array Antenna Using a Superstrate Layer | Zendy

Choi Wonkyu | Zendy; Cho Yong Heui | Zendy; Pyo CheolSik | Zendy; Choi JaeIck | Zendy

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A High‐Gain Microstrip Patch Array Antenna Using a Superstrate Layer

Author(s) -

Choi Wonkyu,

Cho Yong Heui,

Pyo CheolSik,

Choi JaeIck

Publication year - 2003

Publication title -

etri journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.295

H-Index - 46

eISSN - 2233-7326

pISSN - 1225-6463

DOI - 10.4218/etrij.03.0102.0002

Subject(s) - microstrip antenna , materials science , antenna gain , patch antenna , high gain antenna , standing wave ratio , microstrip , bandwidth (computing) , dielectric , electrical impedance , optoelectronics , antenna (radio) , acoustics , optics , antenna factor , electrical engineering , engineering , telecommunications , physics

A dielectric superstrate layer above a microstrip patch antenna has remarkable effects on its gain and resonant characteristics. This paper experimentally investigates the effect of a superstrate layer for high gain on microstrip patch antennas. We measured the gain of antennas with and without a superstrate and found that the gain of a single patch with a superstrate was enhanced by about 4 dBi over the one without a superstrate at 12 GHz. The impedance bandwidths of a single patch with and without a superstrate for VSWR < 2 were above 11%. The designed 2×8 array antenna using a superstrate had a high gain of over 22.5 dB and a wide impedance bandwidth of over 17%.

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