A Novel Multi-Wideband Antenna Using a 3-D Multi-Branch Monopole Structure for GSM-Family and Other Cellular Applications

In this paper a design of a novel 3-D multi-branch monopole antenna for cellular hand-set and portable equipments will be presented. The proposed design is covering most GSM family standards including the UMTS, the global new IMT-2000, and WLAN+ Bluetooth. Using the adopted design, multi-frequency operation including four, five and six operating bands can be achieved. Also, with an optimized design, some bands can be merged to obtain multi-wideband antenna that covering most of cellular standards.