A method of a User Equipment, in the following also referred to as UE, comprising: the UE is configured with a first serving cell, and is indicated to activate the first serving cell and an active UL BWP, wherein the first serving cell or the active UL BWP is not configured with Physical Uplink Control Channel, in the following also referred to as PUCCH, resource(s), and the first serving cell is configured with uplink component carrier or uplink resources; the UE does not expect to be indicated to transmit a first Physical Uplink Shared Channel, in the following also referred to as PUSCH, in the first serving cell or the active UL BWP in Radio Resource Control, in the following also referred to as RRC, connected mode, wherein the first PUSCH is scheduled by a Downlink Control Information, in the following also referred to as DCI, format without spatial relation field, in particular DCI format 0_0; the UE transmits a second PUSCH in the first serving cell through spatial relation indicated in a DCI format with spatial relation field, in particular DCI format 0_1, wherein the second PUSCH is scheduled by the DCI format with spatial relation field, in particular DCI format 0_1; and/or the UE transmits a third PUSCH in a second serving cell through a spatial relation for transmitting the PUCCH resource configured in active Uplink, in the following also referred to as UL, Bandwidth Part, in the following also referred to as BWP, in the second serving cell, wherein the third PUSCH is scheduled by a DCI format without spatial relation field, in particular DCI format 0_0, and the PUCCH resource comprises the lowest resource Identity, in the following also referred to as ID, among all PUCCH resources configured in active Uplink, in the following also referred to as UL, Bandwidth Part, in the following also referred to as BWP, in the second serving cell. the UE is configured with a first serving cell, and is indicated to activate the first serving cell and an active UL BWP, wherein the first serving cell or the active UL BWP is not configured with Physical Uplink Control Channel, in the following also referred to as PUCCH, resource(s), and the first serving cell is configured with uplink component carrier or uplink resources; the UE does not expect to be indicated to transmit a first Physical Uplink Shared Channel, in the following also referred to as PUSCH, in the first serving cell or the active UL BWP in Radio Resource Control, in the following also referred to as RRC, connected mode, wherein the first PUSCH is scheduled by a Downlink Control Information, in the following also referred to as DCI, format without spatial relation field, in particular DCI format 0_0; the UE transmits a second PUSCH in the first serving cell through spatial relation indicated in a DCI format with spatial relation field, in particular DCI format 0_1, wherein the second PUSCH is scheduled by the DCI format with spatial relation field, in particular DCI format 0_1; and/or the UE transmits a third PUSCH in a second serving cell through a spatial relation for transmitting the PUCCH resource configured in active Uplink, in the following also referred to as UL, Bandwidth Part, in the following also referred to as BWP, in the second serving cell, wherein the third PUSCH is scheduled by a DCI format without spatial relation field, in particular DCI format 0_0, and the PUCCH resource comprises the lowest resource Identity, in the following also referred to as ID, among all PUCCH resources configured in active Uplink, in the following also referred to as UL, Bandwidth Part, in the following also referred to as BWP, in the second serving cell.