METHOD AND DEVICE IN A NODE FOR WIRELESS COMMUNICATION
Disclosure discloses a method and a device in a node for wireless communications. A first node receives first information; and transmits a first signaling in a first sub-channel; the first information indicates a first resource pool; the first sub-channel is one of L sub-channels, and frequency-domain resource blocks comprised by any one of the L sub-channels belong to the first resource pool; a first candidate sub-channel and a second candidate sub-channel are two different sub-channels among the L sub-channels, a frequency-domain resource block comprised by the first candidate sub-channel and a frequency-domain resource block comprised by the second candidate sub-channel are the same; either of the first candidate sub-channel and the second candidate sub-channel belongs to a target sub-channel group, the target sub-channel group comprising at least one sub-channel. The present disclosure makes full use of all resources available in the sidelink resource pool.
1 . A first node for wireless communications, comprising:
a first receiver, monitoring first-type signalings, second-type signalings and third-type signalings in a first time-frequency resource pool; and receiving a first signaling in the first time-frequency resource pool;
a first transmitter, transmitting a first information block set in a first radio resource block;
wherein, the first signaling is the first-type signaling or the third-type signaling, and the first signaling is used to indicate the first radio resource block, and the first information block set comprises a HARQ-ACK associated with the first signaling; both the first-type signaling and the third-type signaling comprise a first field, and the first field of the first signaling indicates a first target value, the first target value being a non-negative integer; when the first signaling is the first-type signaling, a number of the first-type signalings and a number of the second-type signalings transmitted in the first time-frequency resource pool are jointly used to determine the first target value; when the first signaling is the third-type signaling, a number of the third-type signalings transmitted in the first time-frequency resource pool is used to determine the first target value, and the first target value is unrelated to the number of the second-type signalings transmitted in the first time-frequency resource pool.
2 . The first node according to claim 1 , wherein the first-type signaling corresponds to a first priority, and the third-type signaling corresponds to a second priority, the first priority being different from the second priority.
3 . The first node according to claim 1 , wherein the first receiver receives a second signaling in the first time-frequency resource pool; herein, the second signaling is a second-type signaling, a first information block subset comprises the HARQ-ACK associated with the first signaling, and a second information block subset comprises a HARQ-ACK associated with the second signaling; when the first signaling is the first-type signaling, the first information block set comprises the first information block subset and the second information block subset; when the first signaling is the third-type signaling, the first information block set comprises only the first information block subset of the first information block subset and the second information block subset.
4 . The first node according to any of claim 3 , wherein the first receiver also receives L1-1 signaling(s) of L1 signalings other than the first signaling in the first time-frequency resource pool, L1 being a positive integer greater than 1; herein, the first signaling is a last one of the L1 signalings; each of the L1 signalings is the first-type signaling, or, each of the L1 signalings is the third-type signaling; the first information block subset comprises L1 information blocks, the L1 signalings respectively correspond to the L1 information blocks, the L1 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings;
or, the first transmitter also transmits the second information block subset in a second radio resource block; herein, the first signaling is the third-type signaling; the second signaling is used to indicate the second radio resource block, the second radio resource block being orthogonal to the first radio resource block in time domain;
or, the first receiver also receives L2-1 signaling(s) of L2 signalings other than the second signaling in the first time-frequency resource pool, L2 being a positive integer greater than 1; herein, the second signaling is a last one of the L2 signalings; each of the L2 signalings is the second-type signaling; the second information block subset comprises L2 information blocks, the L2 signalings respectively correspond to the L2 information blocks, the L2 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings.
5 . The first node according to claim 1 , wherein the first signaling is used for indicating semi-persistent scheduling release, and that the HARQ-ACK associated with the first signaling indicates whether the first signaling is correctly received;
or, the first receiver also receives a first bit block set; herein, the first signaling comprises scheduling information of the first bit block set; the HARQ-ACK associated with the first signaling indicates whether each bit block in the first bit block set is correctly received.
6 . A second node for wireless communications, comprising:
a second transmitter, transmitting a first signaling in a first time-frequency resource pool; and
a second receiver, receiving a first information block set in a first radio resource block;
wherein, the first signaling is the first-type signaling or the third-type signaling, the first signaling is used to indicate the first radio resource block, and the first information block set comprises a HARQ-ACK associated with the first signaling; both the first-type signaling and the third-type signaling comprise a first field, and the first field of the first signaling indicates a first target value, the first target value being a non-negative integer; when the first signaling is the first-type signaling, a number of the first-type signalings and a number of the second-type signalings transmitted in the first time-frequency resource pool are jointly used to determine the first target value; when the first signaling is the third-type signaling, a number of the third-type signalings transmitted in the first time-frequency resource pool is used to determine the first target value, and the first target value is unrelated to the number of the second-type signalings transmitted in the first time-frequency resource pool.
7 . The second node according to claim 6 , wherein the first-type signaling corresponds to a first priority, and the third-type signaling corresponds to a second priority, the first priority being different from the second priority.
8 . The second node according to claim 6 , wherein the second transmitter also transmits a second signaling in the first time-frequency resource pool; herein, the second signaling is a second-type signaling, a first information block subset comprises the HARQ-ACK associated with the first signaling, and a second information block subset comprises a HARQ-ACK associated with the second signaling; when the first signaling is the first-type signaling, the first information block set comprises the first information block subset and the second information block subset; when the first signaling is the third-type signaling, the first information block set comprises only the first information block subset of the first information block subset and the second information block subset.
9 . The second node according to claim 8 , wherein the second transmitter also transmits L1-1 signaling(s) of L1 signalings other than the first signaling in the first time-frequency resource pool, L1 being a positive integer greater than 1; herein, the first signaling is a last one of the L1 signalings; each of the L1 signalings is the first-type signaling, or, each of the L1 signalings is the third-type signaling; the first information block subset comprises L1 information blocks, the L1 signalings respectively correspond to the L1 information blocks, the L1 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings;
or, the second receiver also receives the second information block subset in a second radio resource block; herein, the first signaling is the third-type signaling; the second signaling is used to indicate the second radio resource block, the second radio resource block being orthogonal to the first radio resource block in time domain;
or, the second transmitter also transmits L2-1 signaling(s) of L2 signalings other than the second signaling in the first time-frequency resource pool, L2 being a positive integer greater than 1; herein, the second signaling is a last one of the L2 signalings; each of the L2 signalings is the second-type signaling; the second information block subset comprises L2 information blocks, the L2 signalings respectively correspond to the L2 information blocks, the L2 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings.
10 . The second node according to claim 6 , wherein the first signaling is used for indicating semi-persistent scheduling release, and that the HARQ-ACK associated with the first signaling indicates whether the first signaling is correctly received;
or, the second transmitter also transmits a first bit block set; herein, the first signaling comprises scheduling information of the first bit block set; the HARQ-ACK associated with the first signaling indicates whether each bit block in the first bit block set is correctly received.
11 . A method in a first node for wireless communications, comprising:
monitoring first-type signalings, second-type signalings and third-type signalings in a first time-frequency resource pool;
receiving a first signaling in the first time-frequency resource pool; and
transmitting a first information block set in a first radio resource block;
wherein the first signaling is the first-type signaling or the third-type signaling, and the first signaling is used to indicate the first radio resource block, and the first information block set comprises a HARQ-ACK associated with the first signaling; both the first-type signaling and the third-type signaling comprise a first field, and the first field of the first signaling indicates a first target value, the first target value being a non-negative integer; when the first signaling is the first-type signaling, a number of the first-type signalings and a number of the second-type signalings transmitted in the first time-frequency resource pool are jointly used to determine the first target value; when the first signaling is the third-type signaling, a number of the third-type signalings transmitted in the first time-frequency resource pool is used to determine the first target value, and the first target value is unrelated to the number of the second-type signalings transmitted in the first time-frequency resource pool.
12 . The second node according to claim 11 , wherein the first-type signaling corresponds to a first priority, and the third-type signaling corresponds to a second priority, the first priority being different from the second priority.
13 . The second node according to claim 11 , comprising:
receiving a second signaling in the first time-frequency resource pool;
wherein, the second signaling is the second-type signaling, a first information block subset comprises the HARQ-ACK associated with the first signaling, and a second information block subset comprises a HARQ-ACK associated with the second signaling; when the first signaling is the first-type signaling, the first information block set comprises the first information block subset and the second information block subset; when the first signaling is the third-type signaling, the first information block set comprises only the first information block subset of the first information block subset and the second information block subset.
14 . The second node according to claim 13 , comprising: receiving L1-1 signaling(s) of L1 signalings other than the first signaling in the first time-frequency resource pool, L1 being a positive integer greater than 1; wherein the first signaling is a last one of the L1 signalings; each of the L1 signalings is the first-type signaling, or, each of the L1 signalings is the third-type signaling; the first information block subset comprises L1 information blocks, the L1 signalings respectively correspond to the L1 information blocks, the L1 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings.
or, comprising: transmitting the second information block subset in a second radio resource block; wherein, the first signaling is the third-type signaling; the second signaling is used to indicate the second radio resource block, the second radio resource block being orthogonal to the first radio resource block in time domain;
or, comprising: receiving L2-1 signaling(s) of L2 signalings other than the second signaling in the first time-frequency resource pool, L2 being a positive integer greater than 1; wherein, the second signaling is a last one of the L2 signalings; each of the L2 signalings is the second-type signaling; the second information block subset comprises L2 information blocks, the L2 signalings respectively correspond to the L2 information blocks, the L2 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings.
15 . The second node according to claim 11 , wherein the first signaling is used for indicating semi-persistent scheduling release, and that the HARQ-ACK associated with the first signaling indicates whether the first signaling is correctly received;
or, comprising: receiving a first bit block set; herein, the first signaling comprises scheduling information of the first bit block set; the HARQ-ACK associated with the first signaling indicates whether each bit block in the first bit block set is correctly received.
16 . A method in a second node for wireless communications, comprising:
transmitting a first signaling in a first time-frequency resource pool; and
receiving a first information block set in a first radio resource block;
wherein, the first signaling is the first-type signaling or the third-type signaling, the first signaling is used to indicate the first radio resource block, and the first information block set comprises a HARQ-ACK associated with the first signaling; both the first-type signaling and the third-type signaling comprise a first field, and the first field of the first signaling indicates a first target value, the first target value being a non-negative integer; when the first signaling is the first-type signaling, a number of the first-type signalings and a number of the second-type signalings transmitted in the first time-frequency resource pool are jointly used to determine the first target value; when the first signaling is the third-type signaling, a number of the third-type signalings transmitted in the first time-frequency resource pool is used to determine the first target value, and the first target value is unrelated to the number of the second-type signalings transmitted in the first time-frequency resource pool.
17 . The second node according to claim 16 , wherein the first-type signaling corresponds to a first priority, and the third-type signaling corresponds to a second priority, the first priority being different from the second priority.
18 . The second node according to claim 16 , comprising:
transmitting a second signaling in the first time-frequency resource pool;
wherein, the second signaling is the second-type signaling, a first information block subset comprises the HARQ-ACK associated with the first signaling, and a second information block subset comprises a HARQ-ACK associated with the second signaling; when the first signaling is the first-type signaling, the first information block set comprises the first information block subset and the second information block subset; when the first signaling is the third-type signaling, the first information block set comprises only the first information block subset of the first information block subset and the second information block subset.
19 . The second node according to claim 18 , comprising: transmitting L1-1 signaling(s) of L1 signalings other than the first signaling in the first time-frequency resource pool, L1 being a positive integer greater than 1; wherein, the first signaling is a last one of the L1 signalings; each of the L1 signalings is the first-type signaling, or, each of the L1 signalings is the third-type signaling; the first information block subset comprises L1 information blocks, the L1 signalings respectively correspond to the L1 information blocks, the L1 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings;
or, comprising: receiving the second information block subset in a second radio resource block; wherein, the first signaling is the third-type signaling; the second signaling is used to indicate the second radio resource block, the second radio resource block being orthogonal to the first radio resource block in time domain;
or, comprising: transmitting L2-1 signaling(s) of L2 signalings other than the second signaling in the first time-frequency resource pool, L2 being a positive integer greater than 1; wherein, the second signaling is a last one of the L2 signalings; each of the L2 signalings is the second-type signaling; the second information block subset comprises L2 information blocks, the L2 signalings respectively correspond to the L2 information blocks, the L2 information blocks respectively comprising HARQ-ACKs associated with the corresponding signalings.
20 . The second node according to claim 16 , wherein the first signaling is used for indicating semi-persistent scheduling release, and that the HARQ-ACK associated with the first signaling indicates whether the first signaling is correctly received;
or, comprising: transmitting a first bit block set; herein, the first signaling comprises scheduling information of the first bit block set; the HARQ-ACK associated with the first signaling indicates whether each bit block in the first bit block set is correctly received.