Concentric Ring Structured Reconfigurable Antenna using MEMS Switches for Wireless Communication Applications

Prasad, G. R. K.; Madhav, B. T. P.; Pardhasaradhi, P.; Yalavarthi, Usha Devi; Nadh, B. Prudhvi; Anilkumar, T.; Rao, M. Venkateswara

doi:10.1007/s11277-021-08480-6

Cited by 5 publications

(1 citation statement)

References 18 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Microstrip ring antennas have been proposed since the 1980s [1], due to their compactness and greater versatility with respect to patch disc antennas, and have been the subject of intensive work [2][3][4][5][6]. A particularly attractive property of this kind of geometry is the possibility to consider concentric configurations, especially suited for multi-band operation [7][8][9][10][11][12], even in reflect array structures [13]. Another relevant configuration where the annular ring geometry is applied is represented by grating.…”

Section: Introductionmentioning

confidence: 99%

Analytically Regularized Evaluation of the Coupling of Planar Concentric Conducting Rings

Schettino

2022

Applied Sciences

View full text Add to dashboard Cite

In this paper, an accurate and efficient method for the analysis of coupled perfectly conducting annular rings is presented. The problem is first formulated as a couple of Integral Equation (IEs) in the Vector Hankel Transform (VHT) domain, considered as unknowns in the cylindrical harmonics of the unknown surface current density. As a second step, Galerkin’s method is applied with suitable expansion functions. The selected functions have two main properties: they reconstruct the expected physical behavior of the nth cylindrical harmonic at the edges of the annular rings, and their VHT transform is analytical and can be expressed in closed-form. Consequently, the method is effective and the problem is regularized, as testified by the truncation error. Comparisons with the commercial software CST Microwave Studio have been carried out and are presented to validate the method.

show abstract