Patent ID: 11943772
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. An eNodeB, eNB, configured for an unscheduled uplink transmission in an unlicensed portion of a radio spectrum, the eNB comprising a processor, a memory, and an interface, said memory comprising instructions executable by said processor and by said interface, whereby the eNB is operative to:
control a user equipment's, UE's, uplink access, after receiving at least one transmission burst in an unscheduled mode of operation from the UE, using a schedule based channel access mechanism; wherein controlling the UE's uplink access comprises:
transmit, to the UE, an uplink transmission grant for scheduled-based channel access;
wherein receiving the at least one transmission burst is repeated until an earliest opportunity for the UE to transmit a scheduling request, SR, occurs, and wherein the transmission of the SR can occur on one of a licensed carrier or an unlicensed carrier.