Method for feeding back acknowledgement information to unlicensed transmission, base station, and user equipment

A method performed by a base station, comprising:

• configuring an uplink transmission resource pool for unlicensed uplink data transmission, and configuring a downlink feedback resource for carrying downlink feedback information corresponding to the uplink transmission resource pool;
• and
• transmitting configuration information, the configuration information indicating the uplink transmission resource pool and the downlink feedback resource.

User equipment (UE), comprising:

• a receiving unit, adapted to receive configuration information from a base station;
• and
• a processing unit, adapted to extract, from the configuration information, an uplink transmission resource pool configured for unlicensed uplink data transmission and a downlink feedback resource configured for carrying downlink feedback information corresponding to the uplink transmission resource pool.

A method performed by user equipment (UE), comprising:

• receiving configuration information from a base station;
• and
• extracting, from the configuration information, an uplink transmission resource pool configured for unlicensed uplink data transmission and a downlink feedback resource configured for carrying downlink feedback information corresponding to the uplink transmission resource pool.

16-40. (canceled)