ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,447, issued on July 1, was assigned to Nokia Technologies Oy (Espoo, Finland).
"Reference signal transmission" was invented by Timo Koskela (Oulu, Finland), Jorma Johannes Kaikkonen (Oulu, Finland) and Jussi-Pekka Koskinen (Oulu, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a method, comprising: determining a presence indicator configuration defining how a presence indicator is to be interpreted, wherein, based on the configuration, the presence indicator indicates whether a set of one or more configured reference signal occasions of a cell carries reference signals; obtaining from a base station the presence indicator; ob...