Design of pattern-reconfigurable circularly polarized unidirectional antenna based on quasi-radiator for ISM applications.

A pattern-reconfigurable circularly polarized antenna for 2.45 GHz industrial, scientific, and medical (ISM) band applications is designed in this work. The proposed antenna consists of a slotted-stepped monopole connected to a rectangular ground plane via a shorting side-stub.

Design and circuit analysis of a single and dual band-notched UWB antenna using vertical stubs embedded in feedline.

Within the frequency band designated by the FCC for UWB systems, there are other frequency bands that are also designated for use for other technologies like WLAN (5.15 - 5.35 GHz) and WiMAX (3.