Method and device in nodes used for wireless communication
The disclosure provides a method and a device in a node used for wireless communication. A first node monitors a first-type signaling and a second-type signaling in a first time-frequency resource pool and a second time-frequency resource pool respectively, receives a first signaling, and transmits a first information block. The first signaling is used for determining the first information block; the first signaling includes a first field; when the first signaling is the first-type signaling, a value of the first field is related to a number of the first-type signalings transmitted in the first time-frequency resource pool, and is unrelated to a number of the second-type signalings transmitted in the second time-frequency resource pool. The above method improves the efficiency of HARQ feedback in sidelink transmission.
1 . A first node for wireless communication, comprising:
a first receiver, to monitor a first-type signaling and a second-type signaling in a first time-frequency resource pool and a second time-frequency resource pool respectively, and to receive a first signaling; and
a first transmitter, to transmit a first information block;
wherein the first signaling is used for determining the first information block; the first signaling comprises a first field; when the first signaling is one first-type signaling, a value of the first field in the first signaling is related to a number of the first-type signalings transmitted in the first time-frequency resource pool, and is unrelated to a number of the second-type signalings transmitted in the second time-frequency resource pool; when the first signaling is one second-type signaling, a value of the first field in the first signaling is related to both a number of the first-type signalings transmitted in the first time-frequency resource pool and a number of the second-type signalings transmitted in the second time-frequency resource pool.
2 . The first node according to claim 1 , wherein the first receiver receives a first bit block set, wherein the first signaling comprises scheduling information of the first bit block set; the first information block indicates whether each bit block in the first bit block set is correctly received.
3 . The first node according to claim 1 , wherein the first signaling is used for indicating a semi-persistent scheduling release, and the first information block indicates whether the first signaling is correctly received.
4 . The first node according to claim 1 , wherein the first signaling is associated to a first index; when a value of the first index is equal to one numerical value in a first numerical value set, the first signaling is one first-type signaling; when a value of the first index is equal to one numerical value in a second numerical value set, the first signaling is one second-type signaling; and any one numerical value in the first numerical value set is not equal to any one numerical value in the second numerical value set.
5 . The first node according to claim 1 , wherein the first information block comprises L information subblocks, L being a positive integer greater than 1; L signalings are one-to-one corresponding to the L information subblocks, the first signaling is one of the L signalings, and the first signaling is corresponding to a first information subblock among the L information subblocks.
6 . The first node according to claim 5 , wherein the L signalings are used for determining L second-type indexes respectively, and all the L second-type indexes have a same value.
7 . The first node according to claim 1 , wherein the first information block is transmitted on a first channel, and the first signaling is used for determining air interface resources occupied by the first channel.
8 . A second node for wireless communication, comprising:
a second transmitter, to transmit a first signaling; and
a second receiver, to receive a first information block;
wherein the first signaling is used for determining the first information block; a first time-frequency resource pool and a second time-frequency resource pool are reserved for a first-type signaling and a second-type signaling respectively; the first signaling comprises a first field; when the first signaling is one first-type signaling, a value of the first field in the first signaling is related to a number of the first-type signalings transmitted in the first time-frequency resource pool, and is unrelated to a number of the second-type signalings transmitted in the second time-frequency resource pool; when the first signaling is one second-type signaling, a value of the first field in the first signaling is related to both a number of the first-type signalings transmitted in the first time-frequency resource pool and a number of the second-type signalings transmitted in the second time-frequency resource pool.
9 . The second node according to claim 8 , wherein the second transmitter transmits a first bit block set; wherein the first signaling comprises scheduling information of the first bit block set; the first information block indicates whether each bit block in the first bit block set is correctly received.
10 . The second node according to claim 8 , wherein the first signaling is used for indicating a semi-persistent scheduling release, and the first information block indicates whether the first signaling is correctly received.
11 . The second node according to claim 8 , wherein the first signaling is associated to a first index; when a value of the first index is equal to one numerical value in a first numerical value set, the first signaling is one first-type signaling; when a value of the first index is equal to one numerical value in a second numerical value set, the first signaling is one second-type signaling; and any one numerical value in the first numerical value set is not equal to any one numerical value in the second numerical value set.
12 . The second node according to claim 8 , wherein the first information block comprises L information subblocks, L being a positive integer greater than 1; L signalings are one-to-one corresponding to the L information subblocks, the first signaling is one of the L signalings, and the first signaling is corresponding to a first information subblock among the L information subblocks.
13 . The second node according to claim 12 , wherein the L signalings are used for determining L second-type indexes respectively, and all the L second-type indexes have a same value.
14 . The second node according to claim 8 , wherein the first information block is transmitted on a first channel, and the first signaling is used for determining air interface resources occupied by the first channel.
15 . A method in a first node for wireless communication, comprising:
monitoring a first-type signaling and a second-type signaling in a first time-frequency resource pool and a second time-frequency resource pool respectively, and receiving a first signaling; and
transmitting a first information block;
wherein the first signaling is used for determining the first information block; the first signaling comprises a first field; when the first signaling is one first-type signaling, a value of the first field in the first signaling is related to a number of the first-type signalings transmitted in the first time-frequency resource pool, and is unrelated to a number of the second-type signalings transmitted in the second time-frequency resource pool; when the first signaling is one second-type signaling, a value of the first field in the first signaling is related to both a number of the first-type signalings transmitted in the first time-frequency resource pool and a number of the second-type signalings transmitted in the second time-frequency resource pool.
16 . The method according to claim 15 , comprising:
receiving a first bit block set, wherein the first signaling comprises scheduling information of the first bit block set; the first information block indicates whether each bit block in the first bit block set is correctly received;
or, the first signaling is used for indicating a semi-persistent scheduling release, and the first information block indicates whether the first signaling is correctly received.
17 . The method according to claim 15 , wherein the first signaling is associated to a first index; when a value of the first index is equal to one numerical value in a first numerical value set, the first signaling is one first-type signaling; when a value of the first index is equal to one numerical value in a second numerical value set, the first signaling is one second-type signaling; and any one numerical value in the first numerical value set is not equal to any one numerical value in the second numerical value set.
18 . The method according to claim 15 , wherein the first information block comprises L information subblocks, L being a positive integer greater than 1; L signalings are one-to-one corresponding to the L information subblocks, the first signaling is one of the L signalings, and the first signaling is corresponding to a first information subblock among the L information subblocks.
19 . The method according to claim 18 , wherein the L signalings are used for determining L second-type indexes respectively, and all the L second-type indexes have a same value.
20 . The method according to claim 15 , wherein the first information block is transmitted on a first channel, and the first signaling is used for determining air interface resources occupied by the first channel.