US Patent Issued to TEXAS INSTRUMENTS on July 15 for "Codebook sub-sampling for CSI feedback on PUCCH for 4TX MIMO" (Texas, Oregon Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,792, issued on July 15, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Codebook sub-sampling for CSI feedback on PUCCH for 4TX MIMO" was invented by Runhua Chen (Plano, Texas), Eko Onggosanusi (Allen, Texas) and Ralf M. Bendlin (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Channel state information (CSI) feedback in a wireless communication system is disclosed. User equipment transmits a CSI feedback signal via a Physical Uplink Control CHannel (PUCCH). If the UE is configured in a first feedback mode, the CSI comprises a first report jointly coding a Rank Indicator (RI) and a first precoding matrix indicator (PMI1), and a second...