Methods and apparatuses for physical uplink shared channel transmission
Disclosed are methods for an uplink signal transmission. One embodiment of the subject application provides a method performed by a UE, including determining a spatial relation for a Physical Uplink Shared Channel transmission scheduled by Downlink Control Information format 0_0 in response to that a Physical Uplink Control Channel resource with the lowest Identification among at least one PUCCH resource configured in an active uplink bandwidth part of a serving cell is activated with at least two spatial relations, and performing the PUSCH transmission at least according to the spatial relation with a transmission power calculated based on a pathloss reference signal. Related apparatuses are also disclosed.
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 operable to cause the UE to:
determine a spatial relation for a Physical Uplink Shared Channel (PUSCH) transmission scheduled by Downlink Control Information (DCI) format 0_0 in response to a Physical Uplink Control Channel (PUCCH) resource with a lowest Identification (ID) among at least one PUCCH resource configured in an active uplink bandwidth part (BWP) of a serving cell being activated with at least two spatial relations; and
perform the PUSCH transmission at least according to the spatial relation with a transmission power calculated based on a pathloss reference signal (RS) with an index corresponding to pucchPathlossReferenceRS-Id configured in the determined spatial relation.
2 . The UE of claim 1 , wherein to determine the spatial relation for the PUSCH transmission, the at least one processor is operable to cause the UE to:
determine the spatial relation for the PUSCH transmission at least according to a first spatial relation corresponding to the PUCCH resource with the lowest ID.
3 . The UE of claim 1 , wherein to determine the spatial relation for the PUSCH transmission, the at least one processor is operable to cause the UE to:
determine the spatial relation for the PUSCH transmission at least according to a spatial relation with a lowest PUCCH-SpatialRelationInfoId corresponding to the PUCCH resource with the lowest ID.
4 . The UE of claim 1 , wherein to determine the spatial relation for the PUSCH transmission, the at least one processor is operable to cause the UE to:
determine the spatial relation for the PUSCH transmission at least according to a spatial relation corresponding to a different PUCCH resource with another lowest ID among at least one PUCCH resource activated with one spatial relation.
5 . The UE of claim 4 , wherein the determining is in response to that the PUCCH resource with the lowest ID is activated with at least two spatial relations.
6 . A network entity for wireless communication, comprising:
at least one memory; and
at least one processor coupled with the at least one memory and operable to cause the network entity to:
determine a spatial relation for a Physical Uplink Shared Channel (PUSCH) reception scheduled by Downlink Control Information (DCI) format 0_0 in response to a Physical Uplink Control Channel (PUCCH) resource with a lowest Identification (ID) among at least one PUCCH resource configured in an active uplink bandwidth part (BWP) of a serving cell being activated with at least two spatial relations; and
perform the PUSCH reception at least according to the spatial relation with a reception power calculated based on a pathloss reference signal (RS) with an index corresponding to pucchPathlossReferenceRS-Id configured in the determined spatial relation.
7 . The network entity of claim 6 , wherein to determine the spatial relation for the PUSCH reception, the at least one processor is operable to cause the network entity to:
determine the spatial relation for the PUSCH reception at least according to a first spatial relation corresponding to the PUCCH resource with the lowest ID.
8 . The network entity of claim 6 , wherein to determine the spatial relation for the PUSCH reception, the at least one processor is operable to cause the network entity to:
determine the spatial relation for the PUSCH reception at least according to a spatial relation with a lowest PUCCH-SpatialRelationInfoId corresponding to the PUCCH resource with the lowest ID.
9 . The network entity of claim 6 , wherein to determine the spatial relation for the PUSCH reception, the at least one processor is operable to cause the network entity to:
determine the spatial relation for the PUSCH reception at least according to a spatial relation corresponding to a different PUCCH resource with another lowest ID among at least one PUCCH resource activated with one spatial relation.
10 . The network entity of claim 9 , wherein the determining is in response to that the PUCCH resource with the lowest ID is activated with at least two spatial relations.
11 . The network entity of claim 6 , wherein the network entity comprises a base station (BS).
12 . The network entity of claim 11 , wherein the at least one processor is operable to cause the network entity to receive the PUSCH reception from a user equipment (UE) while the UE is in a Radio Resource Control (RRC) connected mode.
13 . The network entity of claim 6 , wherein the at least one PUCCH resource includes a dedicated PUCCH resource configured in PUCCH-Config.
14 . A method performed by a user equipment (UE), the method comprising:
determining a spatial relation for a Physical Uplink Shared Channel (PUSCH) transmission scheduled by Downlink Control Information (DCI) format 0_0 in response to a Physical Uplink Control Channel (PUCCH) resource with a lowest Identification (ID) among at least one PUCCH resource configured in an active uplink bandwidth part (BWP) of a serving cell being activated with at least two spatial relations; and
performing the PUSCH transmission at least according to the spatial relation with a transmission power calculated based on a pathloss reference signal (RS) with an index corresponding to pucchPathlossReferenceRS-Id configured in the determined spatial relation.
15 . The method of claim 14 , wherein the determination of the spatial relation for the PUSCH transmission further comprises:
determining the spatial relation for the PUSCH transmission at least according to a first spatial relation corresponding to the PUCCH resource with the lowest ID.
16 . The method of claim 14 , wherein the determination of the spatial relation for the PUSCH transmission further comprises:
determining the spatial relation for the PUSCH transmission at least according to a spatial relation with a lowest PUCCH-SpatialRelationInfoId corresponding to the PUCCH resource with the lowest ID.
17 . The method of claim 14 , wherein the determination of the spatial relation for the PUSCH transmission further comprises:
determining the spatial relation for the PUSCH transmission at least according to a spatial relation corresponding to a different PUCCH resource with another lowest ID among at least one PUCCH resource activated with one spatial relation.
18 . The method of claim 17 , wherein the determining is in response to that the PUCCH resource with the lowest ID is activated with at least two spatial relations.
19 . The method of claim 14 , wherein the at least one PUCCH resource includes a dedicated PUCCH resource configured in PUCCH-Config.
20 . The method of claim 14 , wherein the method is performed while the UE is in a Radio Resource Control (RRC) connected mode.