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Abstract of Applied Sciences and Engineering

July 2015, Volume 3, 3, pp 6

Comparative Study of Transmission Line And Cavity Model of Rectangular Microstrip Antenna

P. Banerjee, Tulshi Bezboruah

P. Banerjee 1
Tulshi Bezboruah 2

  1. Department of Physics, Jagiroad College, Jagiroad, Morigaon, Assam, India 1

  2. Department of Electronics & Communication Technology, Gauhati University, Guwahati, Assam, India 2


Abstract:

In this paper a comparative study iscarried out to estimate the performance of transmission line and cavity models of rectangular microstrip antenna mounted on six dielectric substrate materials with variable substrate heights. An artificial intelligence technique namely MATLAB based Adaptive Neuro-Fuzzy Inference System is used to optimize the length and width of the antenna. Random data sets are generated and experimental data are used to carry out the optimization of various antenna parameters to cover almost entire cellular spectrum. With operating frequency 2.1GHz, we analyze the bandwidth of the antenna in both the models. The simulation results predict that the cavity model of rectangular microstrip antenna perform well over transmission line model with thick substrate while transmission line model is better at low dielectric constant and thin substrate.

Keywords:

Artificial Intelligence, Bandwidth, Cavity Model, Dielectric Constant, Transmission Line

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