ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,251, issued on March 31, was assigned to Apple Inc. (Cupertino, Calif.).

"Timing advance in layer 1/layer 2 intercell mobility" was invented by Qiming Li (Beijing), Yushu Zhang (Beijing), Chunhai Yao (Beijing), Fangli Xu (Beijing), Yuqin Chen (Beijing), Dawei Zhang (Saratoga, Calif.), Jie Cui (San Jose, Calif.), Manasa Raghavan (Sunnyvale, Calif.), Xiang Chen (Beijing), Huaning Niu (San Jose, Calif.) and Yang Tang (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, systems, and methods for determining timing advance in L1/L2 inter-cell mobility. A user equipment (UE) comprises at least one antenna, at least one radio coupl...