ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,225,521, issued on Feb. 11, was assigned to Apple Inc. (Cupertino, Calif.).

"Codebook design for semi-persistent scheduling (SPS) transmissions" was invented by Yushu Zhang (Beijing), Weidong Yang (San Diego), Jie Cui (San Jose, Calif.), Haitong Sun (Cupertino, Calif.), Chunhai Yao (Beijing), Hong He (San Jose, Calif.), Chunxuan Ye (San Diego), Wei Zeng (Saratoga, Calif.), Dawei Zhang (Saratoga, Calif.), Oghenekome Oteri (San Diego), Yang Tang (San Jose, Calif.) and Sigen Ye (Whitehouse, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and circuitries are provided for configuring HARQ feedback for semi-persistent scheduling (SPS) ph...