Method and device for downlink assignment index-based hybrid automatic repeat request acknowledgement reporting in wireless communication
Method and device in nodes for wireless communication. A first receiver receives a first information block and a first signaling, the first information block is used to determine whether the first signaling comprises a target DAI field; a first transmitter transmits a target bit block in a first physical-layer channel, of a first bit block or a second bit block, at least the second bit block is used to generate the target bit block; wherein the first signaling is used to determine resources occupied by the first physical-layer channel; a first reference value is a default or configurable non-negative integer; when the first signaling does not comprise the target DAI field, the first bit block is used to generate a third bit block, the third bit block comprises at least one bit, a number of bit(s) comprised in the third bit block is equal to the first reference value.
1 . A user equipment (UE), comprising:
a receiver configured to:
receive downlink control information (DCI) indicating one or more resources of a channel; and
receive information indicating whether the DCI includes a Downlink Assignment Index (DAI); and
a transmitter configured to transmit a plurality of HARQ bits on the channel, wherein the plurality of HARQ bits include one or more HARQ bits of a second type,
wherein on a condition that the DCI includes the DAI, a first number of HARQ-ACK bits of a first type that are included in the plurality of HARQ bits is based on the DAI, and
wherein on a condition that the DCI does not include the DAI, the HARQ-ACK bits of the first type are used to generate a set of bits having a second number, and the set of bits is included in the plurality of HARQ bits.
2 . The UE according to claim 1 , wherein the DCI includes the DAI, and the DAI indicates the first number of HARQ-ACK bits of the first type that are included in the plurality of HARQ bits.
3 . The UE according to claim 1 , wherein:
the first number of HARQ-ACK bits of the first type is greater than the second number, and on a condition that the DCI does not include the DAI, a bit of the set of bits is an outcome of at least one operation of logical AND, logical OR, or exclusive or (XOR) of bits of the HARQ-ACK bits of the first type, or
the first number of HARQ-ACK bits of the first type is greater than the second number, and one a condition that the DCI does not include the DAI, the set of bits includes a portion of the HARQ-ACK bits of the first type, and remaining bits of the HARQ-ACK bits of the first type are not included in the plurality of HARQ bits.
4 . The UE according to claim 1 , wherein:
the HARQ-ACK bits of the first type are HARQ-ACK multicast bits and the one or more HARQ bits of the second type are HARQ-ACK unicast bits, or
the HARQ-ACK bits of the first type are unicast bits and the one or more HARQ bits of the second type are HARQ-ACK bits.
5 . The UE according to claim 1 , wherein the HARQ-ACK bits of the first type are associated with a first priority, and the one or more HARQ bits of the second type are associated with a second priority that is different from the first priority.
6 . The UE according to claim 1 , wherein the receiver is configured to receive control information indicating the second number.
7 . A base station, comprising:
a transmitter configured to:
transmit downlink control information (DCI) indicating one or more resources of a channel; and
transmit information indicating whether the DCI includes a Downlink Assignment Index (DAI); and
a receiver configured to transmit a plurality of HARQ bits on the channel, wherein the plurality of HARQ bits include one or more HARQ bits of a second type,
wherein on a condition that the DCI includes the DAI, a first number of HARQ-ACK bits of a first type that are included in the plurality of HARQ bits is based on the DAI, and
wherein on a condition that the DCI does not include the DAI, the HARQ-ACK bits of the first type are used to generate a set of bits having a second number, and the set of bits is included in the plurality of HARQ bits.
8 . The base station according to claim 7 , wherein the DCI includes the DAI, and the DAI indicates the first number of HARQ-ACK bits of the first type that are included in the plurality of HARQ bits.
9 . The base station according to claim 7 , wherein:
the first number of HARQ-ACK bits of the first type is greater than the second number, and on a condition that the DCI does not include the DAI, a bit of the set of bits is an outcome of at least one operation of logical AND, logical OR, or exclusive or (XOR) of bits of the HARQ-ACK bits of the first type, or
the first number of HARQ-ACK bits of the first type is greater than the second number, and one a condition that the DCI does not include the DAI, the set of bits includes a portion of the HARQ-ACK bits of the first type, and remaining bits of the HARQ-ACK bits of the first type are not included in the plurality of HARQ bits.
10 . The base station according to claim 7 , wherein:
the HARQ-ACK bits of the first type are HARQ-ACK multicast bits and the one or more HARQ bits of the second type are HARQ-ACK unicast bits, or
the HARQ-ACK bits of the first type are unicast bits and the one or more HARQ bits of the second type are HARQ-ACK bits.
11 . The base station according to claim 7 , wherein the HARQ-ACK bits of the first type are associated with a first priority, and the one or more HARQ bits of the second type are associated with a second priority that is different from the first priority.
12 . A method, comprising:
receiving downlink control information (DCI) indicating one or more resources of a channel;
receiving information indicating whether the DCI includes a Downlink Assignment Index (DAI); and
transmitting a plurality of HARQ bits on the channel, wherein the plurality of HARQ bits include one or more HARQ bits of a second type,
wherein on a condition that the DCI includes the DAI, a first number of HARQ-ACK bits of a first type that are included in the plurality of HARQ bits is based on the DAI, and
wherein on a condition that the DCI does not include the DAI, the HARQ-ACK bits of the first type are used to generate a set of bits having a second number, and the set of bits is included in the plurality of HARQ bits.
13 . The method according to claim 12 , wherein the DCI includes the DAI, and the DAI indicates the first number of HARQ-ACK bits of the first type that are included in the plurality of HARQ bits.
14 . The method according to claim 12 , wherein:
the first number of HARQ-ACK bits of the first type is greater than the second number, and on a condition that the DCI does not include the DAI, a bit of the set of bits is an outcome of at least one operation of logical AND, logical OR, or exclusive or (XOR) of bits of the HARQ-ACK bits of the first type, or
the first number of HARQ-ACK bits of the first type is greater than the second number, and one a condition that the DCI does not include the DAI, the set of bits includes a portion of the HARQ-ACK bits of the first type, and remaining bits of the HARQ-ACK bits of the first type are not included in the plurality of HARQ bits.
15 . The method according to claim 12 , wherein:
the HARQ-ACK bits of the first type are HARQ-ACK multicast bits and the one or more HARQ bits of the second type are HARQ-ACK unicast bits, or
the HARQ-ACK bits of the first type are unicast bits and the one or more HARQ bits of the second type are HARQ-ACK bits.
16 . The method according to claim 12 , wherein the HARQ-ACK bits of the first type are associated with a first priority, and the one or more HARQ bits of the second type are associated with a second priority that is different from the first priority.
17 . The method according to claim 12 , comprising:
receiving receive control information indicating the second number.