Design and analysis of a microstrip patch antenna for TV white space data applications

College

Gokongwei College of Engineering

Document Type

Article

Source Title

International Journal of Advanced Trends in Computer Science and Engineering

Volume

10

Issue

3

Publication Date

6-2021

Abstract

The increasing number of smart and wireless devices demands for a more flexible allocation in the higher frequency spectrum. Dynamic spectrum access is one of the major candidates to solve the problem of spectrum scarcity. TV white spaces (TVWS) provide a means to opportunistically use the underutilized TV frequency bands in consideration with the gradual switching of the traditional TV broadcast to digital broadcasting. With smart devices in mini, micro, or nano circuit packaging, one of the major challenges is in the design of compact transceiver antennas suitable for mobile devices that operates in the Ultra High Frequency (UHF) band. This paper provides a brief overview of TVWS and a proposed microstrip patch antenna design. The geometric measurements and the antenna parameters were designed and simulated in MATLAB. Results show a resonant performance at the 638 MHz operating frequency and a high front-to-back power ratio in the radiation pattern. The radiation characteristics are almost omni-directional in the azimuth while directional in the elevation plane. There is a minimal radiation at the back hence, for thin and slim devices, this will suit the desired application.

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Keywords

Strip transmission lines; Antennas (Electronics); Television

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