METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
The present disclosure discloses a method and a device in a node for wireless communications. A first receiver receives a first signaling; a first transmitter transmits a first signal in a target radio resource pool, the first signal carries a first bit block; wherein the first bit block indicates a first state or a second state; the first signaling is used to determine at least one of a first radio resource pool or a second radio resource pool; the target radio resource pool is the first radio resource pool, the second radio resource pool or one of a first-type radio resource pool; when both the first radio resource pool and the second radio resource pool do not overlap with the first-type radio resource pool in time domain and the first bit block indicates the first state, the target radio resource pool is the first radio resource pool.
1 . A first node for wireless communications, comprising:
a first receiver, receiving a first signaling; and
a first transmitter, transmitting a first signal in a target radio resource pool, the first signal carrying a first bit block, the first bit block comprises HARQ-ACK information bit(s) for multicast service;
wherein the first bit block indicates a first state or a second state; the first signaling is used to determine at least one of a first radio resource pool or a second radio resource pool, the first radio resource pool comprises a PUCCH resource; the target radio resource pool is the first radio resource pool, the second radio resource pool or one of a first-type radio resource pool;
when both the first radio resource pool and the second radio resource pool do not overlap with the first-type radio resource pool in time domain and the first bit block indicates the first state, the target radio resource pool is the first radio resource pool; when both the first radio resource pool and the second radio resource pool do not overlap with the first-type radio resource pool in time domain and the first bit block indicates the second state, the target radio resource pool is the second radio resource pool; when any of the first radio resource pool or the second radio resource pool overlaps with one of the first-type radio resource pool in time domain, the target radio resource pool is one of the first-type radio resource pool;
the first bit block indicating the first state refers to: each bit in the first bit block indicates a NACK; the first bit block indicating the second state refers to: at least one bit in the first bit block indicates ACK(s).
2 . The first node according to claim 1 , wherein the first radio resource pool and the second radio resource pool are both reserved for the first bit block and at most one of the first radio resource pool or the second radio resource pool is used to transmit the first bit block; and the first-type radio resource pool is a radio resource pool reserved for a bit block different from the first bit block.
3 . The first node according to claim 1 , wherein the second radio resource pool comprises a PUCCH resource, the first-type radio resource pool is radio resources occupied by a PUSCH.
4 . The first node according to claim 3 , wherein the first radio resource pool comprises a PUCCH resource only used for feeding NACK back.
5 . The first node according to claim 4 , wherein when the first radio resource pool does not overlap with the first-type radio resource pool in time domain and the second radio resource pool overlaps with one of the first-type radio resource pool in time domain, or the first radio resource pool overlaps with one of the first-type radio resource pool in time domain and the second radio resource pool does not overlap with the first-type radio resource pool in time domain, whether the first bit block indicates the first state or the second state, the target radio resource pool is one of the first-type radio resource pool.
6 . The first node according to claim 4 , wherein the first radio resource pool and the second radio resource pool are non-overlapped in time domain.
7 . The first node according to claim 1 , wherein the first radio resource pool and the second radio resource pool respectively belong to different cells.
8 . A second node for wireless communications, comprising:
a second transmitter, transmitting a first signaling; and
a second receiver, receiving a first signal in a target radio resource pool, the first signal carrying a first bit block, the first bit block comprises HARQ-ACK information bit(s) for multicast service;
wherein the first bit block indicates a first state or a second state; the first bit block indicating the first state refers to: each bit in the first bit block indicates a NACK; the first bit block indicating the second state refers to: at least one bit in the first bit block indicates ACK(s); the first signaling is used to determine at least one of a first radio resource pool or a second radio resource pool, the first radio resource pool comprises a PUCCH resource; the target radio resource pool is the first radio resource pool, the second radio resource pool or one of a first-type radio resource pool;
when both the first radio resource pool and the second radio resource pool do not overlap with the first-type radio resource pool in time domain, the target radio resource pool is the first radio resource pool or the second radio resource pool; when any of the first radio resource pool or the second radio resource pool overlaps with one of the first-type radio resource pool in time domain, the target radio resource pool is one of the first-type radio resource pool.
9 . The second node according to claim 8 , wherein the first radio resource pool and the second radio resource pool are both reserved for the first bit block and at most one of the first radio resource pool or the second radio resource pool is used to transmit the first bit block; and the first-type radio resource pool is a radio resource pool reserved for a bit block different from the first bit block.
10 . The second node according to claim 8 , wherein the second radio resource pool comprises a PUCCH resource, the first-type radio resource pool is radio resources occupied by a PUSCH.
11 . The second node according to claim 10 , wherein the first radio resource pool comprises a PUCCH resource only used for feeding NACK back.
12 . The second node according to claim 11 , wherein the first radio resource pool and the second radio resource pool are non-overlapped in time domain.
13 . A method in a first node for wireless communications, comprising:
receiving a first signaling; and
transmitting a first signal in a target radio resource pool, the first signal carrying a first bit block, the first bit block comprises HARQ-ACK information bit(s) for multicast service;
wherein the first bit block indicates a first state or a second state; the first signaling is used to determine at least one of a first radio resource pool or a second radio resource pool, the first radio resource pool comprises a PUCCH resource; the target radio resource pool is the first radio resource pool, the second radio resource pool or one of a first-type radio resource pool;
when both the first radio resource pool and the second radio resource pool do not overlap with the first-type radio resource pool in time domain and the first bit block indicates the first state, the target radio resource pool is the first radio resource pool; when both the first radio resource pool and the second radio resource pool do not overlap with the first-type radio resource pool in time domain and the first bit block indicates the second state, the target radio resource pool is the second radio resource pool; when any of the first radio resource pool or the second radio resource pool overlaps with one of the first-type radio resource pool in time domain, the target radio resource pool is one of the first-type radio resource pool;
the first bit block indicating the first state refers to: each bit in the first bit block indicates a NACK; the first bit block indicating the second state refers to: at least one bit in the first bit block indicates ACK(s).
14 . The method in the first node according to claim 13 , wherein the first radio resource pool and the second radio resource pool are both reserved for the first bit block and at most one of the first radio resource pool or the second radio resource pool is used to transmit the first bit block; and the first-type radio resource pool is a radio resource pool reserved for a bit block different from the first bit block.
15 . The method in the first node according to claim 13 , wherein the second radio resource pool comprises a PUCCH resource.
16 . The method in the first node according to claim 15 , wherein the first-type radio resource pool is radio resources occupied by a PUSCH.
17 . The method in the first node according to claim 16 , wherein when the first radio resource pool does not overlap with the first-type radio resource pool in time domain and the second radio resource pool overlaps with one of the first-type radio resource pool in time domain, or the first radio resource pool overlaps with one of the first-type radio resource pool in time domain and the second radio resource pool does not overlap with the first-type radio resource pool in time domain, whether the first bit block indicates the first state or the second state, the target radio resource pool is one of the first-type radio resource pool.
18 . The method in the first node according to claim 16 , wherein the first radio resource pool and the second radio resource pool are non-overlapped in time domain.
19 . The method in the first node according to claim 13 , wherein the first radio resource pool and the second radio resource pool respectively belong to different cells.
20 . The method in the first node according to claim 16 , wherein the first radio resource pool comprises a PUCCH resource only used for feeding NACK back.