5.2.3.1 Channel coding for UCI HARQ-ACK
The HARQ-ACK bits are received from higher layers. HARQ-ACK consists of 1-bit of information, i.e., or 2-bits of information, i.e., with corresponding to HARQ-ACK bit for codeword 0 and corresponding to that for codeword 1. Each positive acknowledgement (ACK) is encoded as a binary ‘1’ and each negative acknowledgement (NACK) is encoded as a binary ‘0’. The HARQ-ACK bits are processed according to [2].