Study on dual/wide-band orthogonal folded dipoles

This paper presents and verifies a two-port model of a folded dipole. It also introduces a concept of orthogonal folded dipoles, which can be fed in two different manners, corresponding to the dual- and wide-band configurations, respectively. The input admittance of the dual-band case has been modeled and verified. The two configurations can produce nearly omnidirectional radiation patterns according to simulation results.