volume | PIER Journals

Abstract

In this paper, we propose novel omnidirectional UWB printed monopole antenna for in-body microwave imaging applications. The proposed antenna consists of a square radiating patch, a microstrip feed line and a ground plane with pair of rotated T-shaped slots and another T-shaped slot that placed in between of two slots. The designed antenna provides a wide usable fractional bandwidth of more than 136.5% (2.96-15.8 GHz). This antenna has the advantages of wide bandwidth, compact size, low cost, good omnidirectional radiation patterns, and acceptable time domain behavior for using in In-Body microwave applications. The maximum measured gain for the fabricated antenna is around 6.1 dBi with an average efficiency above 89% throughout the bandwidth.

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Dr. Aref Abdollahvand

Dr. Abbas Pirhadi

Dr. Homauon Ebrahimian

Dr. Mousa Abdollahvand