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- Title
Bandwidth enhancement and size reduction of an implantable PIFA antenna for biotelemetry devices.
- Authors
Liu, Wen-Chung; Chen, Ssu-Hung; Wu, Chao-Ming
- Abstract
By means of embedding hook-shaped slots at the edges of the radiating patches for a stacked planar inverted-F antenna (PIFA), functions of bandwidth enhancement and size reduction can be achieved for suitable use in implantable biotelemetry devices. The designed antenna with overall size of only 8 × 8 × 1.9 mm3 provides a monopole-like radiation pattern, a radiation efficiency of 0.55%, and a wide -10 dB impedance bandwidth of 122 MHz covering the 402–405 MHz medical-implant-communication-service (MICS) frequency band. Comparing with the reported most compact antennas, the proposed design obtains not only 144% wider bandwidth but also 36% more compact structure size. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 755–757, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24142
- Subjects
BANDWIDTHS; ANTENNA design; BIOTELEMETRY; ANTENNA radiation patterns; ELECTROMECHANICAL devices -- Design &; construction
- Publication
Microwave & Optical Technology Letters, 2009, Vol 51, Issue 3, p755
- ISSN
0895-2477
- Publication type
Article
- DOI
10.1002/mop.24142