Uplink information feedback resource determination method and device
Provided are an uplink information feedback resource determination method and device. The uplink information feedback resource determination method includes: sending DCI to a terminal, where the DCI is used for scheduling downlink service data transmission and for requesting the terminal to feed back CSI, and the DCI includes indication information of a PUCCH resource occupied by the CSI and indication information of a PUCCH resource occupied by HARQ information of downlink service data; and receiving CSI and HARQ information sent by the terminal, where the PUCCH resource occupied by the CSI and the PUCCH resource occupied by the HARQ information are determined according to the indication information in the DCI.
1. An uplink information feedback resource determination method, comprising:
sending downlink control information (DCI), to a terminal, wherein the DCI is used for scheduling downlink service data and for requesting the terminal to feed back channel state information (CSI), and the DCI comprises indication information of both a physical uplink control channel (PUCCH), resource occupied by the CSI and a PUCCH resource occupied by a hybrid automatic repeat request (HARQ), information for the downlink service data; and
receiving the CSI and the HARQ information sent by the terminal, wherein the PUCCH resource occupied by the CSI and the PUCCH resource occupied by the HARQ information are determined according to the indication information in the DCI,
wherein the sending the DCI to the terminal comprises:
sending X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back CSI, wherein X≥1, X≥Y≥0, X and Y are integers, CSIs and HARQ information corresponding to the X DCIs are fed back using a same PUCCH resource, selection of a location of the PUCCH resource used by the CSIs and the HARQ information corresponding to the X DCIs needs to satisfy a minimum feedback timing of the CSIs and the HARQ information corresponding to the X DCIs, and a PUCCH resource set where the PUCCH resource is located is determined according to a total feedback overhead of the CSIs and the HARQ information corresponding to the X DCIs; and
wherein the receiving the CSI and the HARQ information sent by the terminal comprises:
receiving the CSIs and the HARQ information corresponding to the X DCIs sent by the terminal on the same PUCCH resource,
wherein the sending X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back CSI, comprises:
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and the X DCIs all are used for requesting the terminal to feed back CSI;
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data, and in a case where an X-th DCI is used for requesting the terminal to feed back CSI, the X DCIs all are used for requesting the terminal to feed back CSI, or in a case where the X-th DCI is not used for requesting the terminal to feed back CSI, none of the X DCIs are used for requesting the terminal to feed back CSI;
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and the terminal is configured to respond to a CSI feedback request of one of the X DCIs only; or
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back DCI, the X DCIs comprise CSI feedback statistical information, and the CSI feedback statistical information is used for enabling the terminal to determine a quantity of DCIs used for requesting the terminal to feed back CSI in the X DCIs sent by a base station.
2. The method of claim 1 , wherein the DCI comprises indication information of both a scheduling unit where the HARQ information is located, and a scheduling unit where the CSI is located, and indication information of both a PUCCH resource used by the HARQ information in the scheduling unit, and a PUCCH resource used by the CSI in the scheduling unit, and wherein the scheduling unit where the CSI is located is different from the scheduling unit where the HARQ information is located.
3. The method of claim 2 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, an offset value, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and wherein the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI, and the scheduling unit where the CSI is located is the scheduling unit where the HARQ information is located plus the offset value,
wherein the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
4. The method of claim 2 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI; and
wherein the method further comprises:
configuring an offset value for the terminal through a radio resource control, RRC, signaling, wherein the scheduling unit where the CSI is located is the scheduling unit where the HARQ information is located plus the offset value,
wherein the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
5. The method of claim 2 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a timing interval between the scheduling unit where the CSI is located and the scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI.
6. The method of claim 2 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI; and
wherein the method further comprises:
configuring a timing parameter set for the terminal through an RRC signaling, wherein the scheduling unit where the CSI is located is obtained by indexing in the timing parameter set with the timing interval between the scheduling unit where the HARQ information is located and the scheduling unit where the downlink service data reception ends as an index.
7. The method of claim 1 , wherein the DCI comprises indication information of both a scheduling unit where the HARQ information is located, and a scheduling unit where the CSI is located, and indication information of both a PUCCH resource used by the HARQ information in the scheduling unit, and a PUCCH resource used by the CSI in the scheduling unit, and the scheduling unit where the CSI is located is the same as the scheduling unit where the HARQ information is located, or
wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, the PUCCH resource set used by the HARQ information in the scheduling unit is determined according to an overhead of the HARQ information, and the PUCCH resource set used by the CSI in the scheduling unit is configured according to an RRC signaling.
8. The method of claim 7 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, the PUCCH resource set used by the HARQ information in the scheduling unit is determined according to an overhead of the HARQ information, and the PUCCH resource set used by the CSI in the scheduling unit is configured according to an RRC signaling,
wherein the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the same as the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set, and
wherein the DCI further comprises an offset value, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value; or
an offset value is configured for the terminal through the RRC signaling, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
9. The method of claim 7 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, the PUCCH resource set used by the HARQ information in the scheduling unit is determined according to an overhead of the HARQ information, and the PUCCH resource set used by the CSI in the scheduling unit is selected from the PUCCH resource set used by the HARQ information according to an overhead of the CSI,
wherein the DCI further comprises an offset value, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value; or
an offset value is configured for the terminal through the RRC signaling, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
10. The method of claim 7 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI,
wherein the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the same as the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set, and
wherein the DCI further comprises an offset value, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value; or
an offset value is configured for the terminal through an RRC signaling, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
11. The method of claim 7 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are determined according to a larger one between an overhead of the HARQ information and an overhead of the CSI,
wherein the DCI further comprises an offset value, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value; or
an offset value is configured for the terminal through an RRC signaling, and the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value, or
wherein the DCI comprises a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and the PUCCH resource used by the CSI in the scheduling unit is adjacent to and does not overlap the PUCCH resource used by the HARQ information in the scheduling unit.
12. The method of claim 2 , wherein a delay between the PUCCH resource used by the CSI in the scheduling unit and a scheduling unit used by the DCI is greater than or equal to a minimum delay required by the CSI feedback.
13. The method of claim 2 , wherein the scheduling unit comprises at least one of: a subframe, a slot, a non-slot, a short transmission time interval, or a symbol.
14. An uplink information feedback resource determination method, comprising:
receiving downlink control information (DCI), sent by a base station, wherein the DCI is used for scheduling downlink service data and requesting feedback of channel state information (CSI), and the DCI comprises indication information of both a physical uplink control channel (PUCCH), resource occupied by the CSI and a PUCCH resource occupied by a hybrid automatic repeat request (HARQ), information for the downlink service data; and
feeding back the CSI and the HARQ information to the base station, wherein the PUCCH resource occupied by the CSI and the PUCCH resource occupied by the HARQ information are determined according to the indication information in the DCI,
wherein the receiving the DCI sent by the base station comprises:
receiving X DCIs sent by the base station, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting a terminal to feed back CSI, wherein X≥1, X≥Y≥0, X and Y are integers, CSIs and HARQ information corresponding to the X DCIs are fed back using a same PUCCH resource, selection of the PUCCH resource used by the CSIs and the HARQ information corresponding to the X DCIs needs to satisfy a minimum feedback timing of the CSIs and the HARQ information corresponding to the X DCIs, and a PUCCH resource set where the PUCCH resource is located is determined according to a total feedback overhead of the CSIs and the HARQ information corresponding to the X DCIs; and
wherein the feeding back the CSI and the HARQ information to the base station comprises:
sending the CSI and the HARQ information corresponding to the X DCIs to the base station on the same PUCCH resource,
wherein the receiving X DCIs sent by the base station, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting a terminal to feed back CSI, comprises:
receiving the X DCIs sent by the base station, wherein the X DCIs are used for scheduling downlink service data and the X DCIs all used for requesting the terminal to feed back CSI;
receiving the X DCIs sent by the base station, wherein the X DCIs are used for scheduling downlink service data, in a case where an X-th DCI is used for requesting the terminal to feed back CSI, the X DCIs all are used for requesting the terminal to feed back CSI, or in a case where the X-th DCI is not used for requesting the terminal to feed back CSI, none of the X DCIs are used for requesting the terminal to feed back CSI;
receiving the X DCIs sent by the base station, wherein the X DCIs are used for scheduling downlink service data and the terminal is configured to respond to a CSI feedback request of one of the X DCIs only; or
receiving the X DCIs sent by the base station, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back DCI, the X DCIs comprise CSI feedback statistical information, and the CSI feedback statistical information is used for enabling the terminal to determine a quantity of DCIs used for requesting the terminal to feed back CSI in the X DCIs sent by the base station.
15. The method of claim 14 , wherein the DCI comprises indication information of a scheduling unit where the HARQ information is located, and a scheduling unit where the CSI is located, and indication information of both a PUCCH resource used by the HARQ information in the scheduling unit, and a PUCCH resource used by the CSI in the scheduling unit, and the scheduling unit where the CSI is located is different from the scheduling unit where the HARQ information is located.
16. The method of claim 15 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, an offset value, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI, and the scheduling unit where the CSI is located is the scheduling unit where the HARQ information is located plus the offset value,
wherein the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
17. The method of claim 15 , wherein the DCI comprises a timing interval between the scheduling unit where the HARQ information is located and a scheduling unit where the downlink service data reception ends, a PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in a PUCCH resource set, and a PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in a PUCCH resource set, and the PUCCH resource set used by the HARQ information in the scheduling unit and the PUCCH resource set used by the CSI in the scheduling unit are respectively determined according to an overhead of the HARQ information and an overhead of the CSI; and
wherein the method further comprises:
receiving, through a radio resource control, RRC, signaling, an offset value configured by the base station, wherein the scheduling unit where the CSI is located is the scheduling unit where the HARQ information is located plus the offset value,
wherein the PUCCH resource index of the PUCCH resource used by the CSI in the scheduling unit in the PUCCH resource set is the PUCCH resource index of the PUCCH resource used by the HARQ information in the scheduling unit in the PUCCH resource set plus the offset value.
18. An uplink information feedback resource determination device, comprising:
a processor and a memory storing processor-executable instructions which, when executed by the processor, are configured to send downlink control information (DCI), to a terminal, wherein the DCI is used for scheduling downlink service data and for requesting the terminal to feed back channel state information (CSI), and the DCI comprises indication information of both a physical uplink control channel (PUCCH), resource occupied by the CSI and a PUCCH resource occupied by a hybrid automatic repeat request (HARQ), information for the downlink service data; and
receive the CSI and the HARQ information sent by the terminal, wherein the PUCCH resource occupied by the CSI and the PUCCH resource occupied by the HARQ information are determined according to the indication information in the DCI,
wherein to send the DCI to the terminal comprises:
sending X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back CSI, wherein X≥1, X≥Y≥0, X and Y are integers, CSIs and HARQ information corresponding to the X DCIs are fed back using a same PUCCH resource, selection of a location of the PUCCH resource used by the CSIs and the HARQ information corresponding to the X DCIs needs to satisfy a minimum feedback timing of the CSIs and the HARQ information corresponding to the X DCIs, and a PUCCH resource set where the PUCCH resource is located is determined according to a total feedback overhead of the CSIs and the HARQ information corresponding to the X DCIs; and
wherein to receive the CSI and the HARQ information sent by the terminal comprises:
receiving the CSIs and the HARQ information corresponding to the X DCIs sent by the terminal on the same PUCCH resource,
wherein the sending X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back CSI, comprises:
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and the X DCIs all are used for requesting the terminal to feed back CSI;
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data, and in a case where an X-th DCI is used for requesting the terminal to feed back CSI, the X DCIs all are used for requesting the terminal to feed back CSI, or in a case where the X-th DCI is not used for requesting the terminal to feed back CSI, none of the X DCIs are used for requesting the terminal to feed back CSI;
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and the terminal is configured to respond to a CSI feedback request of one of the X DCIs only; or
sending the X DCIs to the terminal, wherein the X DCIs are used for scheduling downlink service data and Y DCIs in the X DCIs are used for requesting the terminal to feed back DCI, the X DCIs comprise CSI feedback statistical information, and the CSI feedback statistical information is used for enabling the terminal to determine a quantity of DCIs used for requesting the terminal to feed back CSI in the X DCIs sent by a base station.
19. An uplink information feedback resource determination device, comprising:
a processor and a memory storing processor-executable instructions which, when executed by the processor, are configured to perform the uplink information feedback resource determination method of claim 14 .