US Patent No. 10,798,724

UPLINK RESOURCE SCHEDULING CONTROL IN RESPONSE TO CHANNEL BUSY CONDITION


Patent No. 10,798,724
Issue Date October 06, 2020
Title Uplink Resource Scheduling Control In Response To Channel Busy Condition
Inventorship Nicholas William Anderson, Exeter (GB)
Eswar Vutukuri, Havant (GB)
Assignee BlackBerry Limited, Waterloo, Ontario (CA)

Claim of US Patent No. 10,798,724

1. A method comprising:transmitting, by a wireless access network node, scheduling information assigning an uplink resource for a user equipment (UE);
detecting, at the wireless access network node, whether the UE has not transmitted using the assigned uplink resource;
determining, based on the detecting, that the UE has failed a Listen-Before-Talk (LBT) check at the UE;
in response to the determining that the UE has failed the LBT check, performing, by the wireless access network node, a backoff process on behalf of the UE; and
further scheduling and assigning, by the wireless access network node, an uplink resource for the UE.