Indian Journal of Innovations and Developments

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Objectives: To improve the parameters of the microstrip patch antenna (MPA) by introducing slotted H-shaped patch with Dumbbell (H) shaped Defective Ground Surface (DGS).

Methods/Statistical analysis: MPA is playing a vital role in various wireless applications such as Wireless local area network (WLAN) and Worldwide Interoperability for Microwave Access (WiMAX) which are widely used in mobile devices such as pocket computers, dongles and intelligent phones. However there are some performance degradations in the antenna parameters. Hence in this paper, this problem in the patch antenna will be minimized.

Findings: The designed antenna structure has a slotted H-shaped microstrip patch with dumbbell (H) shaped DGS on the ground plane. Through this type of antenna design for all different ISM frequencies are standardized with the slotted H-shaped MPA compared to other shapes. Thus, this slotted H-shaped antenna is preferable compared the usage of other shaped antenna in various part of the application.

Improvements/Applications: This slotted H-shaped microstrip patch offers improved antenna parameters compared to other shaped patch antenna. It can be used for 2.4/5.2/5.8 GHz WLAN and 3.5 GHz WiMAX applications is proposed.


Keywords

Microstrip Patch Antenna, Slotted H-Shaped Patch, Dumbbell (H) Shaped Defective Ground Space, FR-4 Substrate.
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