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首页> 外文期刊>IOSR journal of electronics and communication engineering >Micro strip Antenna Array with Square EBG Structure
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Micro strip Antenna Array with Square EBG Structure

机译：Micro strip Antenna Array with Square EBG Structure

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摘要

The periodic structure like electromagnetic band gap (EBG) is a very popular topic within the academia and RF-microwave industry due to their surface wave suppression property. In this paper the combination of the rectangular microstrip patch antenna fabricated on the top of the substrate FR4 with Electromagnetic Band Gap (EBG) structures at patch is proposed and investigated. A reduced sized antenna with microstrip feed is designed for its gain behaviour. First, the small size antenna is investigated by reducing its patch size. Further its gain behaviour is achieved by using serial feed 4× 1 array with Square EBG. The antenna has been designed on FR4 substrate with dielectric constant 4.4 and thickness h=1.6 mm its dimension is 118.0 mm × 175.0 mm × 1.6 mm. The proposed antenna exhibits 80MHz impedance bandwidth from (2.45-2.53GHz). The proposed antenna has a compact size and exhibits high gain behaviour, good radiation characteristics, and directivity is around 8.3dBi.The radiation pattern, return loss, VSWR and gain of the proposed antenna are described and simulated using the HFSS. Measurement results are in close agreement with the simulation results. The proposed EBG Square unit Array antenna is compact, low profile, and offers very high gain required for long way Communication system.

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