US Patent Issued to Purplevine Innovation on Sept. 16 for "Hybrid automatic repeat request (HARQ) codebook transmission using feedback" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,368, issued on Sept. 16, was assigned to Purplevine Innovation Co. Ltd. (Hong Kong).

"Hybrid automatic repeat request (HARQ) codebook transmission using feedback" was invented by Chun-Che Chien (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A user equipment (UE) executes a hybrid automatic repeat request (HARQ) processing method to reduce HARQ-ACK payload by selecting semi persistent scheduling (SPS) physical downlink shared channels (PDSCHs) on a plurality of periodic SPS PDSCH resources and reporting HARQ-ACKs for the selected SPS PDSCHs. Alternatively, the UE reduces HARQ-ACK payload by reducing HARQ-ACK bits for SPS PDSCH occasions o...