Method and apparatus for overhead reduction for configured grant based uplink transmission

1 . A user equipment (UE) 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 UE to:

receive control information that schedules a plurality of physical uplink shared channel transmissions in a single slot, wherein the control information indicates a position of shared uplink control information signaling in a single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions in the single slot; and

transmit the plurality of physical uplink shared channel transmissions in the single slot based at least in part on the control information, wherein the single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions at the position comprises the shared uplink control information signaling, and wherein a hybrid automatic repeat request process identity field of the shared uplink control information signaling is shared across the plurality of physical uplink shared channel transmissions in the single slot.

2 . The UE of claim 1 , wherein the shared uplink control information signaling comprises one or more of:

a bitmap indicating a sequence of hybrid automatic repeat request process identities for the plurality of physical uplink shared channel transmissions;

a hybrid automatic repeat request process identity for a first physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions;

a hybrid automatic repeat request process identity for a last physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions; or

a shared hybrid automatic repeat request process identity for the plurality of physical uplink shared channel transmissions.

3 . The UE of claim 1 , wherein the control information indicates the position of the shared uplink control information signaling is within a last physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions.

4 . The UE of claim 1 , wherein the shared uplink control information signaling is associated with the plurality of physical uplink shared channel transmissions in the single slot and an additional plurality of physical uplink shared channel transmissions in one or more consecutive slots subsequent to the single slot.

5 . The UE of claim 1 , wherein the shared uplink control information signaling comprises at least one of:

a new data indicator field:

a redundancy version field;

a UE identity field;

a starting and ending position field;

a transmission parameter field; and

a code block group transmission information field.

6 . The UE of claim 2 , wherein the control information indicates the one or more of the bitmap, the hybrid automatic repeat request process identity for the first physical uplink shared channel transmission, or the hybrid automatic repeat request process identity for the last physical uplink shared channel transmission based at least in part on the hybrid automatic repeat request process identity field.

7 . The UE of claim 2 , wherein the at least one processor is further configured to cause the UE to:

determine a type of the shared uplink control information signaling is a complete uplink control information signaling type or a simplified uplink control information signaling type, wherein the type of the shared uplink control information signaling indicates the one or more of the bitmap, the hybrid automatic repeat request process identity for the first physical uplink shared channel transmission, or the hybrid automatic repeat request process identity for the last physical uplink shared channel transmission based at least in part on the hybrid automatic repeat request process identity field; and

transmit an indicator indicating the type of the shared uplink control information signaling.

8 . The UE of claim 5 , wherein the new data indicator field is configured based at least in part on one or more of a bitmap indicating a sequence of new data indicators for the plurality of physical uplink shared channel transmissions or a shared new data indicator for the plurality of physical uplink shared channel transmissions.

9 . The UE of claim 5 , wherein the redundancy version field is configured based at least in part on one or more of a bitmap indicating a sequence of redundancy versions for the plurality of physical uplink shared channel transmissions or a shared redundancy version for the plurality of physical uplink shared channel transmissions.

10 . The UE of claim 5 , wherein the UE identity field comprises a single UE identity for the plurality of physical uplink shared channel transmissions.

11 . The UE of claim 5 , wherein the starting and ending position field comprises a starting position field indicating a starting position of a first physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions and an ending position field indicating an ending position of a last physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions.

12 . The UE of claim 5 , wherein the code block group transmission information field comprises a bitmap indicating code block group transmission information for the plurality of physical uplink shared channel transmissions.

13 . 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 control information that schedules a plurality of physical uplink shared channel transmissions in a single slot, wherein the control information indicates a position of shared uplink control information signaling in a single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions in the single slot; and

receive the plurality of physical uplink shared channel transmissions in the single slot based at least in part on the control information, wherein the single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions at the position comprises the shared uplink control information signaling, and wherein a hybrid automatic repeat request process identity field of the shared uplink control information signaling is shared across the plurality of physical uplink shared channel transmissions in the single slot.

14 . The BS of claim 13 , wherein the shared uplink control information signaling is associated with the plurality of physical uplink shared channel transmissions in the single slot and an additional plurality of physical uplink shared channel transmissions in one or more consecutive slots subsequent to the single slot.

15 . The BS of claim 13 , wherein the control information indicates a set of hybrid automatic repeat request process identities that can be used for the plurality of physical uplink shared channel transmissions and indicates that the hybrid automatic repeat request process identity field comprises one or more of:

a bitmap indicating a sequence of hybrid automatic repeat request process identities for the plurality of physical uplink shared channel transmissions;

a hybrid automatic repeat request process identity for a first physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions;

a hybrid automatic repeat request process identity for a last physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions; or

a shared hybrid automatic repeat request process identity for the plurality of physical uplink shared channel transmissions.

16 . The BS of claim 15 , wherein the at least one processor is further configured to cause the BS to, based at least in part on the hybrid automatic repeat request process identity field comprising a single hybrid automatic repeat request process identity for the first physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions, determine hybrid automatic repeat request process identities for one or more remaining physical uplink shared channel transmissions of the plurality of physical uplink shared channel transmissions from the set of hybrid automatic repeat request process identities in ascending sequence based at least in part on the hybrid automatic repeat request process identity for the first physical uplink shared channel transmission.

17 . The BS of claim 15 , wherein the at least one processor is further configured to cause the BS to, based at least in part on the hybrid automatic repeat request process identity field comprising a single hybrid automatic repeat request process identity for the last physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions, determine hybrid automatic repeat request process identities for one or more remaining physical uplink shared channel transmissions of the plurality of physical uplink shared channel transmissions from the set of hybrid automatic repeat request process identities in descending sequence based at least in part on the hybrid automatic repeat request process identity for the last physical uplink shared channel transmission.

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

receiving control information that schedules a plurality of physical uplink shared channel transmissions in a single slot, wherein the control information indicates a position of shared uplink control information signaling in a single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions in the single slot; and

transmitting the plurality of physical uplink shared channel transmissions in the single slot based at least in part on the control information, wherein the single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions at the position comprises the shared uplink control information signaling, and wherein a hybrid automatic repeat request process identity field of the shared uplink control information signaling is shared across the plurality of physical uplink shared channel transmissions in the single slot.

19 . The UE of claim 1 , wherein respective physical uplink shared channel transmissions of the plurality of physical uplink shared channel transmissions are consecutive in the single slot, and wherein one or more time gaps between the respective physical uplink shared channel transmissions of the plurality of physical uplink shared channel transmissions satisfy a threshold value comprising a numerical quantity of symbols in the single slot.

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

transmitting control information that schedules a plurality of physical uplink shared channel transmissions in a single slot, wherein the control information indicates a position of shared uplink control information signaling in a single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions in the single slot; and

receiving the plurality of physical uplink shared channel transmissions in the single slot based at least in part on the control information, wherein the single physical uplink shared channel transmission of the plurality of physical uplink shared channel transmissions at the position comprises the shared uplink control information signaling, and

wherein a hybrid automatic repeat request process identity field of the shared uplink control information signaling is shared across the plurality of physical uplink shared channel transmissions in the single slot.