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An electrically small antenna for nearfield biomedical applications
Author(s) -
Patel Riki,
Upadhyaya Trushit
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.31007
Subject(s) - bandwidth (computing) , ism band , microstrip antenna , patch antenna , acoustics , antenna (radio) , electronic engineering , electrical engineering , computer science , engineering , physics , telecommunications
The size of electrically small antennas is quite lesser than wavelength, typically in range of λ/10 or lesser. These antennas offer vital application in space constraint environment such as small biomedical equipment or passive radio frequency identification applications. The antenna having size of 20 mm × 15 mm (0.16λ × 0.125λ) is proposed. Slots on the patch are engineered for target resonance and bandwidth enhancement. The antenna offers bandwidth in order of 7.6% and product ka in order of 0.62. The prototype is fabricated and measured results are presented, which are well suited for ISM band applications.

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