A COMPACT UWB PRINTED ANTENNA WITH BANDWIDTH ENHANCEMENT FOR IN-BODY MICROWAVE IMAGING APPLICATIONS | Zendy

Aref Abdollahvand | Zendy; Abbas Pirhadi | Zendy; Homauon Ebrahimian | Zendy; Mousa Abdollahvand | Zendy

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A COMPACT UWB PRINTED ANTENNA WITH BANDWIDTH ENHANCEMENT FOR IN-BODY MICROWAVE IMAGING APPLICATIONS

Author(s) -

Aref Abdollahvand,

Abbas Pirhadi,

Homauon Ebrahimian,

Mousa Abdollahvand

Publication year - 2014

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

ISSN - 1937-8718

DOI - 10.2528/pierc14111405

Subject(s) - microwave , microwave imaging , bandwidth (computing) , optoelectronics , materials science , ultra wideband , electronic engineering , electrical engineering , physics , engineering , telecommunications

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 two resonant elements, a pair of rotated T-shaped slots and another T-shaped slot placed in the middle of the pair 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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