Method and device for random access in wireless communication system

A terminal in a wireless communication system, the terminal comprising:

• at least one transceiver;
• and
• at least one processor connected to the at least one transceiver,
• wherein the at least one processor is configured to:
• receive, through the at least one transceiver, from a network, configuration information related to a first preamble group for a first type feature;
• transmit, through the at least one transceiver, to the network, a first message based on a preamble selected from the first preamble group;
• and
• transmit, through the at least one transceiver, to the network, a second message including a logical channel identifier (LCID) related to a second type feature,
• wherein the terminal supports the first type feature and the second type feature,
• wherein the first type feature is Msg3 repetitions and is distinguished from the second type feature, and
• wherein the second type feature is a reduced capability (RedCap).

A base station in a wireless communication system, the base station comprising:

• at least one transceiver;
• and
• at least one processor connected to the at least one transceiver,
• wherein the at least one processor is configured to:
• transmit, through the at least one transceiver, to at least one terminal, configuration information related to a first preamble group for a first type feature;
• receive, through the at least one transceiver, from a specific terminal of the at least one terminal, a first message based on a preamble selected from the first preamble group;
• and
• receive, through the at least one transceiver, from the specific terminal, a second message including a logical channel identifier (LCID) related to a second type feature,
• wherein the specific terminal supports the first type feature and the second type feature,
• wherein the first type feature is Msg3 repetitions and is distinguished from the second type feature, and
• wherein the second type feature is a reduced capability (RedCap).