A Comprehensive Parametric Study of Planar Inverted-F Antenna

• 作者: Hassan Tariq Chattha Muhammad Kamran Ishfaq Stephen J. Boyes Yi Huang
• 来源期刊: 无线工程与技术(英文)
• 学科: 医学
• 关键词: ANTENNAS PLANAR ANTENNAS PIFA IMPEDANCE BANDWIDTH and Empirical Equation
• 年，卷（期）: wxgcyjsyw_2012,（1）
• 页码范围: 1-11
• 页数: 11页
• 分类号: R73

摘要

This paper presents a comprehensive numerical and experimental study of Planar Inverted-F Antennas (PIFA) involving all the parameters which may affect the characteristics of PIFA. It is found that PIFA characteristics are affected by a number of parameters including the dimensions of the ground plane, length, width, height and position of the top plate, positions and widths of shorting pin/plate and feed pin/plate. It is also found that the width of feed plate plays an important role in broadening the antenna bandwidth. It is shown that a fractional impedance bandwidth up to 65% can be obtained using an optimized design. Furthermore, a new empirical formula is introduced for the estimation of the central operational frequency of PIFA. These results are very useful for aiding PIFA design in practical applications.