ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,278, issued on Sept. 23, was assigned to NOKIA TECHNOLOGIES OY (Espoo, Finland).
"Spectral shaping" was invented by Ismael Peruga Nasarre (Tampere, Finland), Juha Yli-Kaakinen (Tampere, Finland), Esa Tapani Tiirola (Oulu, Finland), Kari Pekka Pajukoski (Oulu, Finland) and Mikko Valkama (Nokia, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "To enable spectrum shaping also when excess band is used, at least one set of spectral flatness requirements amongst two or more sets comprises at least at least a first parameter value for a first in-band range, at least a second parameter value for a second in-band range and at least a third parameter v...