文章基本信息

标题：Design of a Rectangular Fractal Patch Geometry for Modern Communication Systems
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作者：Ruchika Jain ; Deepak Bhatnagar ; Kirti Vyas 等
期刊名称：International Journal of Soft Computing & Engineering
电子版ISSN：2231-2307
出版年度：2012
卷号：2
期号：5
页码：279-280
出版社：International Journal of Soft Computing & Engineering
摘要：In modern wireless communication systems, compact multiband antennas with wider bandwidth and low profile configuration are in great demand. This has initiated antenna research in many directions. One of such antennas is a fractal shaped antenna element. The fractal structures may be designed by stacking of numerous small units together in such a way that the final geometry has the same shape as that of the unit structure. In addition to their larger bandwidths, fractal antennas are compact in size relative to the conventional antennas because of their efficient volume filling nature. In the present paper, design of new compact fractal multiband antenna geometry is presented. This antenna is targeted for application in Wi-MAX communication systems which operates in three bands namely lower band (2.3 to 2.9 GHz), medium band (3.4 to 3.96 GHz) and upper band (5.25 to 5.85 GHz). Two iterations of the rectangular fractal multiband antenna, with probe feeding in 2-6 GHz band are examined. The proposed antenna resonates at three frequencies namely 2.8 GHz, 3.95 GHz and 5.8 GHz after 2nd iteration. These three frequencies lie in the three considered bands. From the return loss variations with frequency; it is realized that proposed antenna may also be used for Wi-Fi (5.1-5.825 GHz) applications. Finally this antenna is fabricated and its return loss, VSWR and input impedance variations with frequency are tested. Antenna Configuration -