ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,009, issued on June 17, was assigned to QUALCOMM Inc. (San Diego).

"Frequency domain bases report with a reference index across layers" was invented by Chenxi Hao (Beijing) and Yu Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Certain aspects of the present disclosure provide techniques for channel state information (CSI) reporting with frequency domain (FD) compression and, more particularly, to techniques for reporting frequency domain (FD) bases with a reference index across layers."

The patent was filed on May 1, 2020, under Application No. 17/594,109.

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