volume | PIER Journals

Abstract

In this paper, we present a miniaturized design of a microstrip antenna achieved through the Combination of Minkowski-Sierpinski(M-S) fractal structure and meandering technique, enabling the antenna to be integrated into smaller systems. The antenna achieves right-hand circular polarization (RHCP) through chamfering on a square patch. Further miniaturization is accomplished by loading four symmetrically opposed L-shaped slots along with M-S fractal structure. Specifically, the Minkowski structure undergoes a single iteration, while the Sierpinski fractal is iterated twice on the once-iterated Minkowski fractal to optimize performance. The antenna is manufactured on a textile substrate TLX-8 with dimensions of 50 mm × 50 mm × 0.762 mm, representing a 54.3% reduction in size compared to traditional designs. Moreover, the substrate exhibits robust mechanical properties. Experimental results demonstrate that the antenna achieves excellent radiation characteristics within a bandwidth of 1.563 to 1.581 GHz, an axial ratio bandwidth of 1.569 to 1.578 GHz. These performance metrics meet the requirements for modern Global Positioning System (GPS) antenna applications, highlighting the design's suitability for advanced integration in contemporary electronic systems.

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Mr. Lin Wang

Professor Liang Zhang

Dr. Lixia Yang

Dr. Xinyan Wang

Dr. Xialin Sheng

Dr. Quan Jin

Dr. Po Tian