Updating uplink transmission configuration based on uplink traffic assistance information

A base station (BS) for wireless communication, comprising:

• at least one memory;
• and
• at least one processor coupled with the at least one memory and configured to cause the BS to:
• transmit configuration information for uplink (UL) traffic from a user equipment (UE) to the BS;
• receive, from the UE, assistance information related to the UL traffic that is transmitted from the UE to the BS, wherein the assistance information comprises an UL scheduling delay that is based on a difference between a start time point and a time of a configured grant for receiving a medium access control (MAC) protocol data unit (PDU), and wherein the start time point comprises at least an arrival time of an earliest MAC service data unit (SDU) of all MAC SDUs contained in the MAC PDU to be received;
• and
• in response to receiving the assistance information from the UE, transmit, to the UE, updated configuration information for subsequent UL traffic from the UE.

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

• receiving configuration information from a base station (BS) for uplink (UL) traffic from the UE;
• measuring an UL scheduling delay based on a difference between a start time point and a time of a configured grant for transmitting a medium access control (MAC) protocol data unit (PDU), wherein the start time point comprises at least an arrival time of an earliest MAC service data unit (SDU) of all MAC SDUs contained in the MAC PDU to be transmitted;
• transmitting, to the BS, assistance information related to UL traffic that is transmitted from the UE to the BS, wherein the assistance information comprises the UL scheduling delay;
• and
• in response to transmitting the assistance information to the BS, receiving updated configuration information from the BS for subsequent UL traffic from the UE.

A method performed by a base station (BS), the method comprising:

• transmitting configuration information for uplink (UL) traffic from a user equipment (UE) to the BS;
• receiving, from the UE, assistance information related to the UL traffic that is transmitted from the UE to the BS, wherein the assistance information comprises an UL scheduling delay that is based on a difference between a start time point and a time of a configured grant for receiving a medium access control (MAC) protocol data unit (PDU), and wherein the start time point comprises at least an arrival time of an earliest MAC service data unit (SDU) of all MAC SDUs contained in the MAC PDU to be received;
• and
• in response to receiving the assistance information from the UE, transmitting, to the UE, updated configuration information for subsequent UL traffic from the UE.