MULTIFUNCTIONAL ANTENNA

摘要

A multifunctional antenna comprises a radiating element and a microstrip feed line coupled to the radiating element. The microstrip feed line comprises a conductive strip disposed on a first side of a substrate and a ground plane disposed on a second side of the substrate, extending beneath the conductive strip. At least one slot is provided in the ground plane, which extends at least in part beneath the conductive strip. At least one switch is provided in the ground plane and is configured to selectively open and close the at least one slot in the region beneath the conductive strip.