ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,215, issued on Jan. 27.

"Systems/methods of bandwidth variability in cellular communications" was invented by Peter D. Karabinis (Cary, N.C.) and Dimitrios P. Karabinis (Edmonds, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems/methods are disclosed wherein a first device is configured to perform operations comprising: responsive to information received from a second device, establishing at least three transmit modes comprising at least three respective air interfaces any two of which comprise a physical layer variant relative to one another; and storing the at least three transmit modes at the first device; then, communicating with the ...