Resource configuration method, apparatus, device, and readable storage medium
A resource configuration method, an apparatus, a device, and a readable storage medium are provided. The method includes: receiving DCI; and determining, based on higher layer level signaling or the DCI, that a PUSCH transmission scheduled by the DCI is associated with one or more SRS resources.
1 . A resource configuration method, performed by a terminal, comprising:
receiving downlink control information (DCI);
determining, based on a signal resource indicator (SRI) field in the DCI, that a physical uplink shared channel (PUSCH) transmission scheduled by the DCI is associated with a plurality of sounding reference signal (SRS) resources comprised in a plurality of SRS resource sets, the plurality of SRS resource sets at least comprising a first SRS resource set and a second SRS resource set; and
determining, based on a phase tracking reference signal (PTRS)-demodulation reference signal (DMRS) association field of the DCI, an association relationship between a PTRS port and a DMRS port associated with different SRS resources,
wherein the PTRS-DMRS association field is 2 bits, wherein:
the PTRS-DMRS association field comprises fifth indication information and sixth indication information, wherein the fifth indication information indicates an association relationship between a port of a first PTRS resource and a scheduled DMRS port, and the scheduled DMRS port is sent on a PUSCH occasion associated with a first SRS resource; and
the sixth indication information indicates an association relationship between a port of a second PTRS resource and the scheduled DMRS port, and the scheduled DMRS port is sent on a PUSCH occasion associated with a second SRS resource.
2 . The resource configuration method according to claim 1 , wherein the plurality of SRS resource sets are used by the terminal for a codebook transmission.
3 . The resource configuration method according to claim 1 , further comprising:
receiving first information,
wherein the first information indicates that a length of the SRI field in the DCI is 0 bit.
4 . The resource configuration method according to claim 1 , wherein:
the SRI field comprises first indication information and second indication information, wherein the first indication information indicates a first specific SRS resource in the first SRS resource set associated with the PUSCH transmission, or indicates whether the PUSCH transmission is associated with the first specific SRS resource in the first SRS resource set; and
the second indication information indicates a second specific SRS resource in the second SRS resource set associated with the PUSCH transmission, or indicates whether the PUSCH transmission is associated with the second specific SRS resource in the second SRS resource set.
5 . The resource configuration method according to claim 1 , wherein the SRI field comprises third indication information and fourth indication information,
wherein the third indication information indicates the first SRS resource set or the second SRS resource set, wherein:
when the third indication information indicates the first SRS resource set, the fourth indication information indicates that the PUSCH transmission is associated with a first SRS resource or a second SRS resource in the first SRS resource set;
or
when the third indication information indicates the second SRS resource set, the third indication information implicitly indicates that the PUSCH transmission is associated with a plurality of SRS resources in the second SRS resource set, and the terminal skips parsing the fourth indication information.
6 . The resource configuration method according to claim 1 , wherein:
the first SRS resource set comprises an SRS resource, and the second SRS resource set comprises a plurality of SRS resources; and
the SRI field indicates that the PUSCH transmission is associated with the SRS resource in the first SRS resource set; or the SRI field indicates that the PUSCH transmission is associated with the plurality of SRS resources in the second SRS resource set.
7 . The resource configuration method according to claim 1 , wherein the first SRS resource set and the second SRS resource set are determined in ascending order based on an SRS resource set identifier.
8 . The resource configuration method according to claim 1 , wherein a plurality of PTRS-DMRS association fields are provided, and the SRI field in the DCI indicates that the PUSCH transmission is associated with an SRS resource,
wherein a PTRS-DMRS association field in the plurality of PTRS-DMRS association fields indicates the association relationship between the PTRS port and the DMRS port, and the terminal ignores indications of other PTRS-DMRS association fields in the plurality of PTRS-DMRS association fields.
9 . The resource configuration method according to claim 1 , wherein a plurality of PTRS-DMRS association fields are provided, the plurality of PTRS-DMRS association fields at least comprises a first PTRS-DMRS association field and a second PTRS-DMRS association field, the SRI field in the DCI indicates that the PUSCH transmission is associated with a plurality of SRS resources, and the plurality of SRS resources at least comprises a first SRS resource and a second SRS resource, wherein:
the first PTRS-DMRS association field indicates the association relationship between the PTRS port and the DMRS port, and the PTRS port and the DMRS port are associated with the first SRS resource; and
the second PTRS-DMRS association field indicates the association relationship between the PTRS port and the DMRS port, and the PTRS port and the DMRS port are associated with the second SRS resource.
10 . The resource configuration method according to claim 1 , wherein the PTRS-DMRS association field comprises fifteenth indication information, the fifteenth indication information indicates an association relationship between ports of a plurality of PTRS resources and the DMRS port, and the ports of the plurality of PTRS resources at least comprise a port of a first PTRS resource and a port of a second PTRS resource, wherein the port of the first PTRS resource is associated with a first SRS resource, and the port of the second PTRS resource is associated with a second SRS resource.
11 . The resource configuration method according to claim 1 , wherein the DCI indicates that the PUSCH transmission is associated with a plurality of SRS resources, and the PUSCH transmission comprises M PUSCH repetition occasion, wherein M is greater than or equal to 1.
12 . The resource configuration method according to claim 1 , wherein the PUSCH transmission is associated with the plurality of SRS resources in the following manners:
that a starting number of a first SRS resource in the plurality of SRS resources is associated with first transmission occasion of the PUSCH transmission;
or
that the starting number of the first SRS resource in the plurality of SRS resources is associated with a first slot in each radio frame.
13 . The resource configuration method according to claim 1 , wherein the first SRS resource and the second SRS resource are determined in ascending order based on an SRS resource set identifier.
14 . A resource configuration method, performed by a network side device, comprising:
sending downlink control information (DCI),
wherein a physical uplink shared channel (PUSCH) transmission scheduled by the DCI is associated with a plurality of sounding reference signal (SRS) resources comprised in a plurality of SRS resource sets, the plurality of SRS resource sets at least comprising a first SRS resource set and a second SRS resource set,
wherein a phase tracking reference signal (PTRS)-demodulation reference signal (DMRS) association field of the DCI indicates an association relationship between a PTRS port and a DMRS port associated with different SRS resources, and
wherein the PTRS-DMRS association field is 2 bits, wherein:
the PTRS-DMRS association field comprises fifth indication information and sixth indication information, wherein the fifth indication information indicates an association relationship between a port of a first PTRS resource and a scheduled DMRS port, and the scheduled DMRS port is sent on a PUSCH occasion associated with a first SRS resource; and
the sixth indication information indicates an association relationship between a port of a second PTRS resource and the scheduled DMRS port, and the scheduled DMRS port is sent on a PUSCH occasion associated with a second SRS resource.
15 . A network-side device, comprising:
a memory storing a computer program; and
a processor coupled to the memory and configured to execute the computer program to perform the resource configuration method according to claim 14 .
16 . A terminal, comprising:
a memory storing a computer program; and
a processor coupled to the memory and configured to execute the computer program to perform operations comprising:
receiving downlink control information (DCI);
determining, based on higher layer signaling or the DCI, that a physical uplink shared channel (PUSCH) transmission scheduled by the DCI is associated with a plurality of sounding reference signal (SRS) resources comprised in a plurality of SRS resource sets, the plurality of SRS resource sets at least comprising a first SRS resource set and a second SRS resource set; and
determining, based on a phase tracking reference signal (PTRS)-demodulation reference signal (DMRS) association field of the DCI, an association relationship between a PTRS port and a DMRS port associated with different SRS resources,
wherein the PTRS-DMRS association field is 2 bits, wherein:
the PTRS-DMRS association field comprises fifth indication information and sixth indication information, wherein the fifth indication information indicates an association relationship between a port of a first PTRS resource and a scheduled DMRS port, and the scheduled DMRS port is sent on a PUSCH occasion associated with a first SRS resource; and
the sixth indication information indicates an association relationship between a port of a second PTRS resource and the scheduled DMRS port, and the scheduled DMRS port is sent on a PUSCH occasion associated with a second SRS resource.