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

Claim 5:
6. A method performed by a first base station in a wireless communication system, comprising:
receiving, from a second base station, a random access configuration of the 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; and
transmitting, to a terminal, a radio resource control (RRC) message including the received random access configuration of the second base station,
wherein a random access preamble is transmitted from the terminal to the second base station on a random access preamble transmission resource identified 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.