Miniaturized Microstrip Patch Antenna Array at 3.8 GHz for WiMax Application

Provided by: Iosrjournals
Topic: Mobility
Format: PDF
In this paper, the authors are to miniaturize microstrip patch antenna array resonating at 3.8GHz suitable for WiMAX application using Defected Ground Structure (DGS). The DGS has been employed to shift the resonance frequency of an initial microstrip antenna array from 5.2GHz to 3.8GHz by disturbing the antenna's current distribution. The proposed DGS is integrated in the ground plane under the patch antenna array for size reduction. Finally, the miniaturization up to 45% with respect to the conventional microstrip antenna is successfully accomplished.

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