US Patent Issued to Lenovo (Beijing) on Feb. 10 for "Phase tracking reference signal for SFN based PDSCH transmission" (Chinese, American Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,309, issued on Feb. 10, was assigned to Lenovo (Beijing) Ltd. (Beijing).

"Phase tracking reference signal for SFN based PDSCH transmission" was invented by Bingchao Liu (Beijing), Chenxi Zhu (Fairfax, Va.) and Yi Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses for determining phase tracking reference signal (PT-RS) for single frequency network (SFN) based PDSCH transmission are disclosed. A method comprises determining, for each of two PT-RS ports for SFN based PDSCH transmission, an associated DM-RS port with an indicated TCI state, wherein, one or multiple PDSCH layers are scheduled for the SFN based PDSCH tra...