Patent ID: 11950104
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for adjusting automatic retransmission, comprising:
detecting, by a base station, uplink retransmission service information of at least two target user equipments (UEs), wherein after listen before talk (LBT) detection performed on a grant-free uplink transmission resource in an unlicensed spectrum fails, the at least two target UEs are capable of sharing a same original retransmission alternative resource to perform automatic uplink retransmission;
determining, by the base station, whether the original retransmission alternative resource is overloaded according to the uplink retransmission service information;
adjusting, by the base station, related configuration information of retransmission alternative resource to obtain adjusted retransmission configuration information in response to determining that the original retransmission alternative resource is overloaded; and
delivering, by the base station, the adjusted retransmission configuration information to the at least two target UEs,
wherein detecting the uplink retransmission service information of the at least two target UEs comprises at least one of following acts:
determining retransmission service load information of the original retransmission alternative resource; or
determining information about abnormal retransmission scheduling configured by the base station for each of the at least two target UEs, wherein the abnormal retransmission scheduling is a retransmission scheduling event triggered due to a reason that is not a priority of the LBT detection;
wherein determining whether the original retransmission alternative resource is overloaded according to the uplink retransmission service information comprises:
determining whether an amount of uplink retransmission data currently carried by the original retransmission alternative resource exceeds a preset load threshold value; and
determining that the original retransmission alternative resource is overloaded in response to determining that the amount of the uplink retransmission data is greater than or equal to the preset load threshold value.