ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,912, issued on May 20, was assigned to Apple Inc. (Cupertino, Calif.).
"Codebook for full-dimension multiple input multiple output communications" was invented by Yuan Zhu (Beijing), Qinghua Li (San Ramon, Calif.), Xiaogang Chen (Beijing) and Jong-Kae Fwu (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments include an apparatus to be employed by an enhanced Node B (eNB), the apparatus comprising communication circuitry to receive, from a user equipment (UE), feedback information and control circuitry, coupled with the communication circuitry, to identify a codeword from a three-dimensional codebook based on the feedb...