Erratum to “A Compact Pattern Reconfiguration Antenna Based on Multimode Plane Spiral OAM”

In [1] , the title of the article was incorrectly stated as “A Compact Pattern Reconfiguration Antenna Based on Multimode Plane Spiral OA. ” The correct title is: “A Compact Pattern Reconfiguration Antenna Based on Multimode Plane Spiral OAM. ”