Genetic Algorithms in Antennas and Smart Antennas Design Overview: Two Novel Antenna Systems for Triband GNSS Applications and a Circular Switched Parasitic Array for WiMax Applications Developments with the Use of Genetic Algorithms

Table 2

Input parameters and results of the GA optimization procedure for the helical antenna.

Parameter	Variation intervals (mm)	Results (mm)
Turn spacing	5–20	17
Length of the helix	60.1–99.9	85.4
Base radius	20–40	38
Tip radius	25–35	27
Length (width) of ground plane	40–120	100