Patent ID: 11895720
Assignee: NOKIA TECHNOLOGIES OY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The apparatus according to claim 3, wherein a timing for initiating the transmission of the reference signal by the at least one secondary communication network control element or function comprises one of
initiating the transmission of the reference signal by the at least one secondary communication network control element or function after receiving a preamble in the random access related signaling from the communication element or function, initiating the transmission of the reference signal by the at least one secondary communication network control element or function after transmitting, to the communication element or function, a random access response message in reply to a random access preamble in the random access related signaling from the communication element or function, and
initiating the transmission of the reference signal by the at least one secondary communication network control element or function after receiving a connection request message from the communication element or function.