ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,722, issued on May 20, was assigned to Sharp K.K. (Sakai, Japan).

"User equipment apparatus, base station apparatus, and communication method" was invented by Meng Cheng (Sakai, Japan), Shohei Yamada (Sakai, Japan), Liqing Liu (Sakai, Japan) and Hiroki Takahashi (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including physical random access channel (PRACH) configuration information, wherein the PRACH configuration information includes a list of preamble index ranges and one or more first reference signal received power...