Title :
Radiation and scattering from Koch fractal antennas
Author :
Zainud-Deen, S.H. ; Awadalla, K.H. ; Khamis, S.A. ; El shalaby, N.A.
Author_Institution :
Fac. of Electron. Eng., Menoufia Univ., Egypt
Abstract :
The electromagnetic characteristics of a Koch fractal antenna as an element and as an array are extensively examined. The method of moments is used to analyze the antenna structure. The characteristics of the Koch fractal monopole antenna on portable radio equipment are investigated. The use of the Koch fractal monopole can reduce the length of the antenna, decrease the current flowing along the body of the handset and improve the impedance matching to the feed line of the antenna. A Koch fractal antenna is presented for generating circularly polarized radiation pattern. The scattering properties of the Koch fractal elements are calculated. The backscattering wave from one element and an array is investigated.
Keywords :
antenna radiation patterns; backscatter; electromagnetic wave scattering; impedance matching; method of moments; monopole antenna arrays; polarisation; radio equipment; Koch fractal monopole antennas; backscattering wave; circularly polarized radiation pattern; electromagnetic characteristics; impedance matching; method of moments; portable radio equipment; radiation; scattering properties; Antenna arrays; Antenna feeds; Antenna radiation patterns; Electromagnetic radiation; Electromagnetic scattering; Fractal antennas; Impedance matching; Moment methods; Polarization; Telephone sets;
Conference_Titel :
Radio Science Conference, 2004. NRSC 2004. Proceedings of the Twenty-First National
Print_ISBN :
977-5031-77-X
DOI :
10.1109/NRSC.2004.1321776
