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Title: Design and Performance Analysis of Microstrip Patch Antenna Using Different Dielectric Substrates

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Title:
Design and Performance Analysis of Microstrip Patch Antenna Using Different Dielectric Substrates
Author Name:
venkatrao kolli
Abstract:
Abstract: In recent years, the demand for compact handheld communication devices has grown significantly. Devices having internal antennas have appeared to fill this need. Antenna size is a major factor that limits device miniaturization. In the past few years, new designs based on the Microstrip patch antennas (MSPA) are being used for handheld wireless devices because these antennas have low-profile geometry and can be embedded into the devices. New wireless applications requiring operation in more than one frequency band are emerging. Dual-band and tri-band phones have gained popularity because of the multiple frequency bands used for wireless applications. Reducing antenna size generally degrades antenna performance. It is therefore important to also examine the fundamental limits and parameter tradeoffs involved in size reduction. In the handheld environment, antennas are mounted on a small ground plane. This paper presents the performance analysis of Different shapes Microstrip Patch antenna i.e. Z shape, H shape , E shape by using different dielectric substrate materials, to operate in the frequency range of 0.6 GHz to 2 GHz. The aim of this paper is to broaden the impedance bandwidth and to maximize the gain, thereby improving the performance of antenna. By comparing different substrates of dielectric material, an appropriate substrate was chosen to design Microstrip antenna. After simulation the antenna performance characteristics such as antenna input impedance, VSWR, Return loss and current density are obtained. Key Words: E –Shaped patch, H-Shaped patch, Z-patched patch, Microstrip antennas, Ansoft HFSS 13, wideband.
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