US Patent No. 10,512,031

SIGNALLING IN MOBILE TELECOMMUNICATIONS


Patent No. 10,512,031
Issue Date December 17, 2019
Title Signalling In Mobile Telecommunications
Inventorship Mona Mustapha, Cambridge (GB)
Assignee NEC CORPORATION, Minato-ku, Tokyo (JP)

Claim of US Patent No. 10,512,031

1. A method for controlling a base station, the method comprising:broadcasting first system information that comprises information for acquiring on-demand system information, wherein the on-demand system information comprises information not broadcast in the first system information;
receiving from a UE in an idle state, if the first system information comprises the information for acquiring the on-demand system information, a message to initiate a random access procedure that uses a random access channel (RACH) preamble and is configured, using the information for acquiring the on-demand system information, to act as a request for on-demand system information; and
transmitting the on-demand system information, if the request for on-demand system information is received from the UE.