Patent ID: 11895495
Assignee: APPLE INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A user equipment device (UE), comprising:
at least one radio;
a memory; and
at least one processor communicatively coupled to the at least one radio and the memory;
wherein the at least one radio, the memory, and the at least one processor are configured cause the UE to:
operate in an idle mode;
while operating in the idle mode, receive an authentication message from a base station as part of an initiation of a connection procedure, wherein the authentication message is a broadcast message comprised within a special system information block (SIB) transmitted from the base station;
determine whether a signature comprised within the authentication message is valid, wherein the signature is determined from content of the special SIB and at least one other broadcast message; and
continue the connection procedure with the base station based on a determination that the signature is valid.