The exemplary embodiments relate to determining that code block group (CBG) based transmissions are enabled, transmitting, via an unlicensed spectrum, configured grants comprising one or more CBG based transmissions and one or more transport block (TB) based transmissions and receiving a downlink feedback information (DFI) downlink control information (DCI) format, wherein the DFI DCI format comprises a hybrid automatic repeating request (HARQ) bitmap corresponding to the TB based transmissions and a HARQ bitmap corresponding to the CBG based transmissions. The exemplary embodiments may be implemented in a computer readable storage medium, a user equipment (UE) or an integrated circuit.