Patent ID: 11902978
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method performed by a terminal in a wireless communication system, comprising:
receiving, from a first base station, a radio resource control (RRC) message including a random access configuration of a second base station, the random access configuration including information on dedicated random access preamble transmission resources for one or more downlink (DL) transmission (TX) beams of the second base station;
identifying a DL TX beam among the one or more DL TX beams of the second base station;
identifying a random access preamble transmission resource corresponding to the identified DL TX beam among the dedicated random access preamble transmission resources for the one or more DL TX beams in the random access configuration of the second base station; and
transmitting, to the second base station, a random access preamble on the random access preamble transmission resource.