ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,587, issued on Nov. 18, was assigned to NTT DOCOMO Inc. (Tokyo).
"User equipment and base station apparatus" was invented by Tooru Uchino (Tokyo), Hideaki Takahashi (Tokyo), Tomoya Ohara (Tokyo), Lihui Wang (Haidian District, China) and Xiaolin Hou (Haidian District, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A user equipment includes a transmission unit that transmits a first message including a random access preamble in a two-step random access procedure, a reception unit that receives one or more second messages for contention resolution in the two-step random access procedure, and a control unit that controls an operation to receive th...