1. A method performed by a user equipment (UE) operating in a wireless communication system, the method comprising:receiving information related to physical random access channel (PRACH) resource allocation comprising a period related to PRACH configuration; and
transmitting, based on the information, the PRACH in a PRACH occasion among at least one PRACH occasion allocated in a PRACH slot,
wherein the period is configured as a plurality of subframes,
wherein the PRACH slot is included in a last subframe among the plurality of subframes,
wherein the at least one PRACH occasion is started from a starting orthogonal frequency division multiplexing (OFDM) symbol included in a second half of the PRACH slot, and
wherein the starting OFDM symbol and a preamble format of the PRACH satisfy a preconfigured corresponding relation.