Patent ID: 11924883
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, first system information (SI) which is broadcasted periodically, the first SI including first information indicating whether a second SI among other SI is being broadcasted or not, second information on a physical random access channel (PRACH) resource, and third information on an SI area identifier (ID) for an area including one or more cells with which the second SI is applied;
receiving, from the terminal, a PRACH preamble on the PRACH resource for the second SI, based on the first information indicating that the second SI among the other SI is not being broadcasted; and
transmitting, to the terminal, the requested second SI.