A method by a user equipment (UE) for Message A (MsgA) transmission in a two-step Random Access (RA) procedure is provided. The method includes receiving, from a base station (BS), a Physical Random Access Channel (PRACH) configuration including sets of PRACH preambles, each set of PRACH preambles being associated with a feature or feature combination; receiving, from the BS, a first MsgA Physical Uplink Shared Channel (PUSCH) configuration associated with the PRACH configuration; receiving, from the BS, a second MsgAPUSCH configuration associated with a specific set of PRACH preambles; determining a first PRACH preamble associated with a specific feature or feature combination from the sets of PRACH preambles; determining a MsgA PUSCH corresponding to the first PRACH preamble depending on whether the first PRACH preamble is within the specific set of PRACH preambles; and transmitting, to the BS, the first PRACH preamble and the MsgA PUSCH.