Scheduling of an uplink transmission of multiple transport blocks
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information (DCI) that includes an uplink grant indicating information relating to multiple transport blocks for an uplink transmission, the information indicating which of the multiple transport blocks is to be transmitted. The UE may transmit one or more of the multiple transport blocks in accordance with the DCI. Numerous other aspects are described.
1 . An apparatus for wireless communication at a user equipment (UE), comprising:
a memory; and
one or more processors, coupled to the memory, configured to cause the UE to:
receive downlink control information (DCI) that includes an uplink grant information relating to multiple transport blocks for an uplink transmission,
the uplink grant information indicating which of the multiple transport blocks is to be transmitted, and
the uplink grant information including a first set of fields for a first transport block of the multiple transport blocks and a second set of fields for a second transport block of the multiple transport blocks; and
transmit one or more of the multiple transport blocks in accordance with the DCI.
2 . The apparatus of claim 1 , wherein the uplink grant information includes respective sets of fields for the multiple transport blocks.
3 . The apparatus of claim 2 , wherein each set of fields, of the respective sets of fields, includes a modulation and coding scheme field, a new data indicator field, and a redundancy version field.
4 . The apparatus of claim 3 , wherein each set of fields, of the respective sets of fields, further includes a hybrid automatic repeat request process identifier field.
5 . The apparatus of claim 1 , wherein the first set of fields indicates a different value for at least one field from a value indicated for the at least one field by the second set of fields.
6 . The apparatus of claim 1 , wherein the first set of fields includes one or more fields set to particular values to indicate that the first transport block is inactive.
7 . The apparatus of claim 6 , wherein the one or more fields include a modulation and coding scheme field and a redundancy version field.
8 . The apparatus of claim 1 , wherein the uplink grant information includes at least one bit, that is applicable to the multiple transport blocks, indicating which of the multiple transport blocks is active.
9 . The apparatus of claim 1 , wherein the first transport block and the second transport block are associated with initial transmissions scheduled by a same uplink grant, and
wherein the uplink grant information is for retransmissions of the first transport block and the second transport block.
10 . The apparatus of claim 1 , wherein the first transport block and the second transport block are associated with initial transmissions scheduled by a same uplink grant, and
wherein the uplink grant information is for a retransmission of only one of the first transport block or the second transport block.
11 . The apparatus of claim 1 , wherein the first transport block is associated with a first hybrid automatic repeat request (HARQ) process identifier and the second transport block is associated with a second HARQ process identifier,
wherein the first transport block and the second transport block are associated with initial transmissions scheduled by separate uplink grants, and
wherein the uplink grant information is for retransmissions of the first transport block and the second transport block.
12 . An apparatus for wireless communication at a network node, comprising:
a memory; and
one or more processors, coupled to the memory, configured to cause the network node to:
transmit downlink control information (DCI) that includes an uplink grant
information relating to multiple transport blocks for an uplink transmission,
the uplink grant information indicating which of the multiple transport blocks is to be transmitted, and
the uplink grant information including a first set of fields for a first transport block of the multiple transport blocks and a second set of fields for a second transport block of the multiple transport blocks; and
receive one or more of the multiple transport blocks in accordance with the DCI.
13 . The apparatus of claim 12 , wherein the uplink grant information includes respective sets of fields for the multiple transport blocks.
14 . The apparatus of claim 13 , wherein each set of fields, of the respective sets of fields, includes a modulation and coding scheme field, a new data indicator field, and a redundancy version field.
15 . The apparatus of claim 14 , wherein each set of fields, of the respective sets of fields, further includes a hybrid automatic repeat request process identifier field.
16 . The apparatus of claim 12 , wherein the first set of fields indicates a different value for at least one field from a value indicated for the at least one field by the second set of fields.
17 . The apparatus of claim 12 , wherein the first set of fields includes one or more fields set to particular values to indicate that the first transport block is inactive.
18 . The apparatus of claim 17 , wherein the one or more fields include a modulation and coding scheme field and a redundancy version field.
19 . The apparatus of claim 12 , wherein the uplink grant information includes at least one bit, that is applicable to the multiple transport blocks, indicating which of the multiple transport blocks is active.
20 . The apparatus of claim 12 , wherein the first transport block and the second transport block are associated with initial transmissions scheduled by a same uplink grant, and
wherein the uplink grant information is for retransmissions of the first transport block and the second transport block.
21 . The apparatus of claim 12 , wherein the first transport block and the second transport block are associated with initial transmissions scheduled by a same uplink grant, and
wherein the uplink grant information is for a retransmission of only one of the first transport block or the second transport block.
22 . The apparatus of claim 12 , wherein the first transport block is associated with a first hybrid automatic repeat request (HARQ) process identifier and the second transport block is associated with a second HARQ process identifier,
wherein the first transport block and the second transport block are associated with initial transmissions scheduled by separate uplink grants, and
wherein the uplink grant information is for retransmissions of the first transport block and the second transport block.
23 . A method of wireless communication performed by an apparatus of a user equipment (UE), comprising:
receiving downlink control information (DCI) that includes an uplink grant information relating to multiple transport blocks for an uplink transmission,
the uplink grant information indicating which of the multiple transport blocks is to be transmitted, and
the uplink grant information including a first set of fields for a first transport block of the multiple transport blocks and a second set of fields for a second transport block of the multiple transport blocks; and
transmitting one or more of the multiple transport blocks in accordance with the DCI.
24 . The method of claim 23 , wherein the uplink grant information includes respective sets of fields for the multiple transport blocks.
25 . The method of claim 24 , wherein each set of fields, of the respective sets of fields, includes a modulation and coding scheme field, a new data indicator field, and a redundancy version field.
26 . The method of claim 23 , wherein the set of fields, includes one or more fields set to particular values to indicate that the first transport block is inactive.
27 . The method of claim 26 , wherein the one or more fields include a modulation and coding scheme field and a redundancy version field.
28 . A method of wireless communication performed by an apparatus of a network node, comprising:
transmitting downlink control information (DCI) that includes an uplink grant information relating to multiple transport blocks for an uplink transmission,
the uplink grant information indicating which of the multiple transport blocks is to be transmitted, and
the uplink grant information including a first set of fields for a first transport block of the multiple transport blocks and a second set of fields for a second transport block of the multiple transport blocks; and
receiving one or more of the multiple transport blocks in accordance with the DCI.
29 . The method of claim 28 , wherein the uplink grant information includes respective sets of fields for the multiple transport blocks.
30 . The method of claim 29 , wherein each set of fields, of the respective sets of fields, includes a modulation and coding scheme field, a new data indicator field, and a redundancy version field.