Method, device and computer readable medium for physical uplink shared channel repetition
Embodiments of the present disclosure relate to methods, devices and computer readable media for communication of a RS. According to embodiments of the present disclosure, the terminal device receives information indicating a set of resources for transmitting a reference signal from the network device. If the terminal device receives an indication in a first slot for triggering a transmission of the reference signal, the terminal device determines a second slot for transmitting the reference signal. The terminal device determines whether the second slot is valid based on a slot configuration. In this way, it can avoid the SRS transmission timing ambiguous or misalignment between terminal device and network.
1 . A method of a User Equipment (UE), the method comprising:
receiving Downlink control information (DCI) comprising a first field and a second field, wherein the first field indicates a first Precoding information, information and a number of layers and wherein the second field indicates a second Precoding information; and
applying, to Physical Uplink Shared Channel (PUSCH) repetitions, two Transmitted Precoding Matrix Indicators (TPMIs) that are based on the first Precoding information, the number of layers and the second Precoding information related to the number of layers of the DCI,
wherein a number of bits of the second field is determined based on the second Precoding information, a parameter codebookSubset and the number of layers indicated by the first field, and
wherein the parameter codebookSubset comprises fullyAndPartialAndNonCoherent, partial AndNonCoherent or nonCoherent.
2 . The method of claim 1 , wherein the second Precoding information is associated with the number of layers.
3 . The method of claim 1 , further comprising:
determining PUSCH transmission precoders based on the TPMIs for two or four antenna ports.
4 . The method of claim 1 , wherein:
the number of bits of the second field is determined based on third information related to two Sounding Reference Resource (SRS) resource sets.
5 . The method of claim 4 , wherein:
the number of bits of the second field is determined based on a number of antenna ports.
6 . A User Equipment (UE), comprising:
a memory storing instructions; and
a processor configured to execute the instructions to:
receive Downlink control information (DCI) comprising a first field and a second field, wherein the first field indicates a first Precoding information and a number of layers and wherein the second field indicates a second Precoding information; and
apply, to Physical Uplink Shared Channel (PUSCH) repetitions, two Transmitted Precoding Matrix Indicators (TPMIs) that are based on the first Precoding information, the number of layers and the second Precoding information related to the number of layers of the DCI,
wherein a number of bits of the second field is determined based on the second Precoding information, a parameter codebookSubset and the number of layers indicated by the first field, and
wherein the parameter codebookSubset comprises fully AndPartialAndNonCoherent, partial AndNonCoherent or noncoherent.
7 . The UE of claim 6 , wherein the second Precoding information is associated with the number of layers.
8 . The UE of claim 6 , wherein:
the UE determines PUSCH transmission precoders based on the TPMIs for two or four antenna ports.
9 . The UE of claim 6 , wherein:
the number of bits of the second field is determined based on third information related to two Sounding Reference Resource (SRS) resource sets.
10 . The UE of claim 9 , wherein:
the number of bits of the second field is determined based on a number of antenna ports.