Communication method, communications apparatus, and storage medium
A communication method, and a communications apparatus. The method includes: a terminal device determines uplink information; when the uplink information is first feedback information, the terminal device determines a first uplink control channel resource corresponding to the first feedback information, and sends the first feedback information on the first uplink control channel resource; or when the uplink information includes A-CSI, the terminal device determines a second uplink control channel resource corresponding to the uplink information, and sends the uplink information on the second uplink control channel resource, where the first uplink control channel resource is different from the second uplink control channel resource. Therefore, a network device identifies, according to the control channel resource for the received uplink information, whether the uplink information includes the A-CSI, so that the uplink information can be correctly received without times of blind detection, and receiving complexity is low.
1. A communication method used for a terminal, comprising:
determining uplink information; and
when the uplink information is first feedback information, determining a first uplink control channel resource corresponding to the first feedback information, and sending the first feedback information on the first uplink control channel resource; or
when the uplink information comprises aperiodic channel state information (A-CSI), determining a second uplink control channel resource corresponding to the uplink information, and sending the uplink information on the second uplink control channel resource,
receiving first indication information, wherein the first indication information is used to indicate a first group of uplink control channel resource sets, and the first group of uplink control channel resource sets comprises at least one uplink control channel resource set; and
receiving second indication information, wherein the second indication information is used to indicate a second group of uplink control channel resource sets, and the second group of uplink control channel resource sets comprises at least one uplink control channel resource set,
wherein
the first uplink control channel resource is different from the second uplink control channel resource;
the at least one uplink control channel resource set in the first group of uplink control channel resource sets is different from the at least one uplink control channel resource set in the second group of uplink control channel resource sets;
the first uplink control channel resource belongs to a third uplink control channel resource set, the third uplink control channel resource set belongs to the first group of uplink control channel resource sets, and there is a first mapping relationship between the third uplink control channel resource set and an information payload of the first feedback information; and
the second uplink control channel resource belongs to a fourth uplink control channel resource set, the fourth uplink control channel resource set belongs to the first group of uplink control channel resource sets or the second group of uplink control channel resource sets, and there is a second mapping relationship between the fourth uplink control channel resource set and a sum of an information payload of the A-CSI and an information payload of the feedback information sent on the second uplink control channel resource, wherein
the first mapping relationship is different from the second mapping relationship.
2. The method according to claim 1 , wherein
the uplink information comprises the A-CSI and second feedback information; and
the sending the uplink information on the second uplink control channel resource comprises:
sending the A-CSI and the second feedback information on the second uplink control channel resource.
3. The method according to claim 1 , wherein
the first uplink control channel resource belongs to a first uplink control channel resource set, and the first uplink control channel resource set belongs to the first group of uplink control channel resource sets; and
the second uplink control channel resource belongs to a second uplink control channel resource set, and the second uplink control channel resource set belongs to the second group of uplink control channel resource sets, wherein
the first uplink control channel resource set is different from the second uplink control channel resource set.
4. The method according to claim 1 , wherein when the fourth uplink control channel resource set belongs to the first group of uplink control channel resource sets, an information payload range corresponding to the fourth uplink control channel resource set is the smallest one of one or more information payload ranges larger than an information payload range corresponding to the third uplink control channel resource set.
5. The method according to claim 1 , wherein
the determining the first uplink control channel resource corresponding to the uplink information comprises:
determining the first uplink control channel resource based on first resource indication information; and
the determining the second uplink control channel resource corresponding to the uplink information comprises:
determining the second uplink control channel resource based on second resource indication information, wherein
the first resource indication information and the second resource indication information are comprised in two pieces of different downlink control information (DCI).
6. The method according to claim 5 , wherein the two pieces of different DCI comprise first DCI and second DCI;
the second resource indication information is comprised in the first DCI, and the first DCI corresponds to the A-CSI; and
the first resource indication information is comprised in the second DCI, the second DCI is the N th piece of DCI that is received in a time sequence and that corresponds to the first feedback information, the first feedback information corresponds to N pieces of DCI, and N is a positive integer.
7. A communications apparatus, comprising a processor coupled to a memory; and
a transceiver, configured to receive first indication information and second indication information;
wherein the processor executes instructions stored in the memory to enable the communications apparatus to perform:
determining uplink information; and
when the uplink information is first feedback information, determining a first uplink control channel resource corresponding to the first feedback information, and sending the first feedback information on the first uplink control channel resource; or
when the uplink information comprises aperiodic channel state information (A-CSI), determining a second uplink control channel resource corresponding to the uplink information, and sending the uplink information on the second uplink control channel resource, wherein
the first uplink control channel resource is different from the second uplink control channel resource;
wherein the first indication information is used to indicate a first group of uplink control channel resource sets, and the first group of uplink control channel resource sets comprises at least one uplink control channel resource set and the second indication information is used to indicate a second group of uplink control channel resource sets, and the second group of uplink control channel resource sets comprises at least one uplink control channel resource set, wherein
the at least one uplink control channel resource set in the first group of uplink control channel resource sets is different from the at least one uplink control channel resource set in the second group of uplink control channel resource sets;
the first uplink control channel resource belongs to a third uplink control channel resource set, the third uplink control channel resource set belongs to the first group of uplink control channel resource sets, and there is a first mapping relationship between the third uplink control channel resource set and an information payload of the first feedback information; and
the second uplink control channel resource belongs to a fourth uplink control channel resource set, the fourth uplink control channel resource set belongs to the first group of uplink control channel resource sets or the second group of uplink control channel resource sets, and there is a second mapping relationship between the fourth uplink control channel resource set and a sum of an information payload of the A-CSI and an information payload of the feedback information sent on the second uplink control channel resource, wherein
the first mapping relationship is different from the second mapping relationship.
8. The apparatus according to claim 7 , wherein the uplink information comprises the A-CSI and second feedback information; and the sending the uplink information on the second uplink control channel resource comprises:
sending the A-CSI and the second feedback information on the second uplink control channel resource.
9. The apparatus according to claim 7 , wherein
the first uplink control channel resource belongs to a first uplink control channel resource set, and the first uplink control channel resource set belongs to the first group of uplink control channel resource sets; and
the second uplink control channel resource belongs to a second uplink control channel resource set, and the second uplink control channel resource set belongs to the second group of uplink control channel resource sets, wherein
the first uplink control channel resource set is different from the second uplink control channel resource set.
10. The apparatus according to claim 7 , wherein when the fourth uplink control channel resource set belongs to the first group of uplink control channel resource sets, an information payload range corresponding to the fourth uplink control channel resource set is the smallest one of one or more information payload ranges larger than an information payload range corresponding to the third uplink control channel resource set.
11. The apparatus according to claim 7 , wherein
the processor is configured to:
determine the first uplink control channel resource based on first resource indication information; and
determine the second uplink control channel resource based on second resource indication information, wherein
the first resource indication information and the second resource indication information are comprised in two pieces of different downlink control information (DCI).
12. The apparatus according to claim 11 , wherein the two pieces of different DCI comprise first DCI and second DCI;
the second resource indication information is comprised in the first DCI, and the first DCI corresponds to the A-CSI; and
the first resource indication information is comprised in the second DCI, the second DCI is the N th piece of DCI that is received in a time sequence and that corresponds to the first feedback information, the first feedback information corresponds to N pieces of DCI, and N is a positive integer.
13. A communications apparatus, comprising a processor coupled to a memory; and
a transceiver, configured to send first indication information and second indication information to the terminal device, wherein
wherein the processor is configured to execute instructions stored in the memory to enable the communications apparatus to perform:
determining an uplink control resource used by uplink information sent by a terminal device;
when the uplink information is received on a first uplink control channel resource, determining that the uplink information is first feedback information; or
when the uplink information is received on a second uplink control channel resource, determining that the uplink information comprises aperiodic channel state information (A-CSI), wherein the first uplink control channel resource is different from the second uplink control channel resource; and
receiving the uplink information
wherein, the first indication information is used to indicate a first group of uplink control channel resource sets, and the first group of uplink control channel resource sets comprises at least one uplink control channel resource set and the second indication information is used to indicate a second group of uplink control channel resource sets, and the second group of uplink control channel resource sets comprises at least one uplink control channel resource set, wherein
the at least one uplink control channel resource set in the first group of uplink control channel resource sets is different from the at least one uplink control channel resource set in the second group of uplink control channel resource sets,
the first uplink control channel resource belongs to a third uplink control channel resource set, the third uplink control channel resource set belongs to the first group of uplink control channel resource sets, and there is a first mapping relationship between the third uplink control channel resource set and an information payload of the first feedback information; and
the second uplink control channel resource belongs to a fourth uplink control channel resource set, the fourth uplink control channel resource set belongs to the first group of uplink control channel resource sets or the second group of uplink control channel resource sets, and there is a second mapping relationship between the fourth uplink control channel resource set and a sum of an information payload of the A-CSI and an information payload of the feedback information sent on the second uplink control channel resource, wherein
the first mapping relationship is different from the second mapping relationship.
14. The apparatus according to claim 13 , wherein when the uplink information is received on the second uplink control channel resource, the uplink information comprises the A-CSI and second feedback information.
15. The apparatus according to claim 13 ,
the first resource indication information is used to determine the first uplink control channel resource, and the second resource indication information is used to determine the second uplink control channel resource; and the first resource indication information and the second resource indication information are comprised in two pieces of different downlink control information (DCI).