Method and apparatus for data processing using hybrid automatic repeat request (HARQ) processes
Embodiments of this application provide a data processing method and apparatus. The method includes: receiving, by a first device, control information, where the control information includes information about a first resource and information about a HARQ process; receiving, by the first device on a second resource, data associated with the control information; and placing the data into a buffer of a HARQ process of a HARQ entity associated with the first resource. The associated data is sent on the plurality of resources. The initially transmitted data and the retransmitted data are stored in the buffer of the specified process of the specified HARQ entity according to an indication of the control information, to improve a decoding success rate.
1. A data processing method, comprising:
receiving, by a first device, a first control information and a second control information, wherein each of the first control information and the second control information comprises a modulation scheme field that indicates information about a first resource, information about a hybrid automatic repeat request (HARQ) process associated with the first resource, and an indication identifier for indicating whether currently transmitted data of the HARQ process is initially transmitted data or retransmitted data, wherein the first resource is indicated using a multiplexed modulation and coding scheme (MCS) index;
receiving, by the first device from a second device on a plurality of resources, a first packet on an initial transmission of the data of the HARQ process and a second packet on a retransmission of the data, wherein the plurality of resources includes a second resource, which is a scheduling carrier, wherein the first resource is one of a plurality of scheduled carriers, wherein a quantity of the plurality of scheduled carriers is min {N 1 , N 2 , . . . , N i , . . . , N k }, wherein the modulation scheme field includes N i values to indicate a modulation order M i , wherein k is an integer greater than 0, 1≤i≤k, i is an integer, and both N i and M i are integers greater than 0; and
placing, by the first device, the first packet and the second packet into a buffer of the HARQ process, wherein the first packet and the second packet are to be combined.
2. The method according to claim 1 , wherein the information about the HARQ process is an identifier of a HARQ entity associated with the first resource.
3. The method according to claim 1 , wherein the information about the first resource is an identifier of the first resource.
4. The method according to claim 1 , wherein
when the indication identifier indicates that currently transmitted data is retransmitted data, the modulation scheme field indicates the first resource by using a mapping relationship between a modulation scheme and one of the first resource or the second resource.
5. The method according to claim 1 , wherein the plurality of resources includes a second resource; and when the second resource is a scheduled carrier, the first resource is a scheduling carrier.
6. An apparatus, comprising:
a non-transitory memory storage storing instructions; and
one or more processors coupled with the non-transitory memory storage, wherein the instructions, when executed by the one or more processors, cause the one or more processors to:
receive a first control information and a second control information, wherein each of the first control information and the second control information comprises a modulation scheme field that indicates information about a first resource, information about a hybrid automatic repeat request (HARQ) process associated with the first resource, and an indication identifier for indicating whether currently transmitted data of the HARQ process is initially transmitted data or retransmitted data, wherein the first resource is indicated using a multiplexed modulation and coding scheme (MCS) index, wherein a plurality of resources includes a second resource, which is a scheduling carrier, wherein the first resource is one of a plurality of scheduled carriers, and wherein a quantity of the plurality of scheduled carriers is min{N 1 , N 2 , . . . , N i , . . . , N k }, wherein the modulation scheme field includes N i values to indicate a modulation order M i , wherein k is an integer greater than 0, 1≤i≤k, i is an integer, and both and N i and M i are integers greater than 0,
receive a first packet on an initial transmission of the data of the HARQ process, and a second packet on a retransmission of the data;
place the first packet and the second packet into a buffer of the HARQ process, wherein the first packet and the second packet are to be combined.
7. An apparatus, comprising:
a non-transitory memory storage storing instructions; and
one or more processors coupled with the non-transitory memory storage, wherein the instructions, when executed by the one or more processors, cause the one or more processors to:
generate a first control information and a second control information, wherein each of the first control information and the second control information comprises a modulation scheme field that indicates information about a first resource and information about a hybrid automatic repeat request (HARQ) process associated with the first resource, and an indication identifier for whether currently transmitted data of the HARQ process is initially transmitted data or retransmitted data, wherein the first resource is indicated using a multiplexed modulation and coding scheme (MCS) index,
send the first control information and the second control information to another apparatus, wherein a plurality of resources includes a second resource, which is a scheduling carrier, wherein the first resource is one of a plurality of scheduled carriers, wherein a quantity of the plurality of scheduled carriers is min{N 1 , N 2 , . . . , N i , . . . , N k }, wherein the modulation scheme field includes N i values to indicate a modulation order M i , wherein k is an integer greater than 0, 1≤i≤k, i is an integer, and both N i and M i are integers greater than 0,
receive, on the plurality of resources, a first packet on an initial transmission of data of the HARQ process and a second packet on a retransmission of the data, and
place the first packet and the second packet into a buffer of the HARQ process, wherein the first packet and the second packet are to be combined.
8. The apparatus according to claim 6 , wherein the information about the HARQ process is an identifier of a HARQ entity associated with the first resource.
9. The apparatus according to claim 6 , wherein the information about the first resource is an identifier of the first resource.
10. The apparatus according to claim 7 , wherein
when the indication identifier indicates that the currently transmitted data is the retransmitted data, the modulation scheme field indicates the first resource by using a mapping relationship between a modulation scheme and one of the first resource or the second resource.
11. The apparatus according to claim 6 , wherein when the second resource is a scheduled carrier, the first resource is a scheduling carrier.
12. The apparatus according to claim 7 , wherein when the second resource is a scheduled carrier, the first resource is a scheduling carrier.