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|1. (WO2018106915) APPARATUS AND METHODS FOR LAUNCHING ELECTROMAGNETIC WAVES HAVING A CERTAIN ELECTRIC FIELD STRUCTURE|
|Applicants:||AT&T INTELLECTUAL PROPERTY I, L.P.
HENRY, Paul, Shala
BARNICKEL, Donald, J.
WILLIS, Thomas, M., III
|Title:||APPARATUS AND METHODS FOR LAUNCHING ELECTROMAGNETIC WAVES HAVING A CERTAIN ELECTRIC FIELD STRUCTURE|
Aspects of the subject disclosure may include, receiving a signal, and launching, according to the signal, an electromagnetic wave along a transmission medium, where the electromagnetic wave propagates along the transmission medium without requiring an electrical return path, and where the electromagnetic wave has a phase delay profile that is dependent on an azimuth angle about an axis of the transmission medium. Other embodiments are disclosed.