ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,709, issued on March 17, was assigned to QUALCOMM Inc. (San Diego).
"Uplink phase tracking reference signals for multiple transmitters on uplink shared channels" was invented by Yi Huang (San Diego), Muhammad Sayed Khairy Abdelghaffar (San Jose, Calif.) and Yu Zhang (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for wireless communications are described. The described techniques provide for phase tracking reference signal (PTRS) antenna port configuration and use to support a number of transmission layers (e.g., up to eight transmission layers). In some examples, a user equipment (UE) may be able to support ...