ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,807, issued on Oct. 21, was assigned to Apple Inc. (Cupertino, Calif.).
"Efficient PRACH transmission in a fallback RACH procedure" was invented by Pranav Tripathi (San Jose, Calif.), Dhiraj J. Shirke (San Jose, Calif.), Imran Haider G. Balsania (San Jose, Calif.) and Sanjeevi Balasubramanian (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A user equipment (UE) is configured to initiate a two-step random access channel (RACH) procedure to synchronize with a base station, initiate a fallback four-step RACH procedure after the two-step RACH procedure, configure a random access preamble transmission for the four-step RACH procedure, wh...