ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,173, issued on June 3, was assigned to TalkingHeads Wireless Inc. (Roslindale, Mass.).

"Sensing of antenna connection for remote radio heads" was invented by Joel L. Dawson (Roslindale, Mass.) and Mark A. Briffa (Tyreso, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are concepts, systems and techniques for detecting whether an impedance mismatch exists at an output port of a remote radio head (RRH) or at an output port of a radio frequency (RF) amplifier in an RRH such as may be caused by a faulty connection between an antenna and a transmit signal path of the RRH. Also described are means for protecting an RF amplifier or other act...