ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,406, issued on Sept. 8, was assigned to Apple Inc. (Cupertino, Calif.).
"SRS enhancement to support more than 4 layer codebook based uplink transmission" was invented by Haitong Sun (Cupertino, Calif.), Huaning Niu (San Jose, Calif.), Hong He (San Jose, Calif.), Dawei Zhang (Saratoga, Calif.), Wei Zeng (San Diego), Yushu Zhang (Beijing) and Jie Cui (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein provide sounding reference signals (SRS) enhancements to support more than four layers of codebook based uplink operation (e.g., 6 and 8 layer uplink operation). To support 6 and 8 layer SRS uplink operation, some embodime...