ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,459, issued on Oct. 7, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).
"Random access method and apparatus" was invented by Qin Mu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A random access method and device may be used in a wireless communications network. The random access method includes selecting a preamble of a message A; determining a logical resource unit for transmitting the message A based on the preamble of the message A, in which the preamble has a predetermined mapping relationship with the logical resource unit, and the logical resource unit includes at least one physical resource unit part, the physical r...