Method and device in nodes used for wireless communication

1. A first node for wireless communications, comprising:

a first receiver, receiving a first signaling, the first signaling being used to indicate a first symbol set; and

a first transceiver, operating a first radio signal in only a first symbol group in the first symbol set;

wherein the first signaling is used to indicate scheduling information of the first radio signal; the first symbol set comprises at least one multicarrier symbol, the first symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the first symbol group belongs to the first symbol set, and a number of multicarrier symbol(s) comprised in the first symbol group is not greater than a number of multicarrier symbol(s) comprised in the first symbol set; a target Time Division Duplex (TDD) configuration is used to determine a type of each multicarrier symbol in the first symbol set, the target TDD configuration is used to determine the first symbol group out of the first symbol set, and the first signaling implicitly indicates the target TDD configuration; the operating action is transmitting, or the operating action is receiving.

2. The first node according to claim 1 , wherein the first receiver also receives first information; wherein the first information is carried by a higher-layer signaling, and the first information is used to determine a first TDD configuration; when a type of the first signaling comprises a first type, the target TDD configuration is the first TDD configuration; and when the type of the first signaling comprises a second type, the target TDD configuration is a second TDD configuration.

3. The first node according to claim 1 , wherein when a type of the first signaling comprises a first type, the first radio signal comprises K1 subsignal(s), each of the K1 subsignal(s) carries a second bit block; K1 is a positive integer, and the second bit block comprises at least one bit; K1 is equal to 1, and the K1 subsignal is a transmission of the second bit block; or, K1 is greater than 1, positions of any two of the K1 subsignals in slots to which they respectively belong are the same;

when the type of the first signaling comprises a second type, the first radio signal comprises K sub-signals, and each of the K sub-signals carries a first bit block; K is a positive integer greater than 1, the first bit block comprises at least one bit; the K subsignals are respectively K repetitions of the first bit block; the first signaling indicates K0, the K0 being a positive integer, and the K0 is a number of nominal repetitions.

4. The first node according to claim 2 , wherein the first receiver also receives a second signaling, and the second signaling is used to indicate a first slot format; wherein the second signaling is carried by a physical-layer signaling; when the type of the first signaling comprises the first type, the target TDD configuration is the first TDD configuration, the first slot format and the target TDD configuration are used together to determine the first symbol group out of the first symbol set; when the type of the first signaling comprises the second type, the target TDD configuration is the second TDD configuration, only the target TDD configuration in the first slot format and the target TDD configuration is used to determine the first symbol group out of the first symbol set.

5. The first node according to claim 2 , wherein the first receiver also receives third information, and the third information is used to indicate a second symbol set; monitors the first signaling in only a second symbol group in the second symbol set; wherein no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used to determine the second symbol group out of the second symbol set; the second symbol set comprises at least one multicarrier symbol, the second symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the second symbol group belongs to the second symbol set, and a number of multicarrier symbol(s) comprised in the second symbol group is not greater than a number of multicarrier symbol(s) comprised in the second symbol set;

or, the first transceiver also judges whether a second bit block is transmitted in a first time-frequency resource group; if yes, transmits the second bit block in the first time-frequency resource group; if no, drops transmitting the second bit block in the first time-frequency resource group; wherein the operating action is receiving; the first signaling is used to indicate the first time-frequency resource group, and the second bit block is used to indicate whether the first radio signal is correctly received; no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used for the behavior of judging whether a second bit block is transmitted in a first time-frequency resource group.

6. A second node for wireless communications, comprising:

a second transmitter, transmitting a first signaling, the first signaling being used to indicate a first symbol set; and

a second transceiver, executing a first radio signal in only a first symbol group in the first symbol set;

wherein the first signaling is used to indicate scheduling information of the first radio signal; the first symbol set comprises at least one multicarrier symbol, the first symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the first symbol group belongs to the first symbol set, and a number of multicarrier symbol(s) comprised in the first symbol group is not greater than a number of multicarrier symbol(s) comprised in the first symbol set; a target Time Division Duplex (TDD) configuration is used to determine a type of each multicarrier symbol in the first symbol set, the target TDD configuration is used to determine the first symbol group out of the first symbol set, and the first signaling implicitly indicates the target TDD configuration; the executing action is receiving, or, the executing action is transmitting.

7. The second node according to claim 6 , wherein the second transmitter also transmits first information; wherein the first information is carried by a higher-layer signaling, and the first information is used to determine a first TDD configuration; when a type of the first signaling comprises a first type, the target TDD configuration is the first TDD configuration; and when the type of the first signaling comprises a second type, the target TDD configuration is a second TDD configuration.

8. The second node according to claim 6 , wherein when a type of the first signaling comprises a first type, the first radio signal comprises K1 subsignal(s), each of the K1 subsignal(s) carries a second bit block; K1 is a positive integer, and the second bit block comprises at least one bit; K1 is equal to 1, and the K1 subsignal is a transmission of the second bit block; or, K1 is greater than 1, positions of any two of the K1 subsignals in slots to which they respectively belong are the same;

when the type of the first signaling comprises a second type, the first radio signal comprises K sub-signals, and each of the K sub-signals carries a first bit block; K is a positive integer greater than 1, the first bit block comprises at least one bit; the K subsignals are respectively K repetitions of the first bit block; the first signaling indicates K0, the K0 being a positive integer, and the K0 is a number of nominal repetitions.

9. The second node according to claim 7 , wherein the second transmitter also transmits a second signaling, the second signaling is used to indicate a first slot format; wherein the second signaling is carried by a physical-layer signaling; when the type of the first signaling comprises the first type, the target TDD configuration is the first TDD configuration, the first slot format and the target TDD configuration are used together to determine the first symbol group out of the first symbol set; when the type of the first signaling comprises the second type, the target TDD configuration is the second TDD configuration, only the target TDD configuration in the first slot format and the target TDD configuration is used to determine the first symbol group out of the first symbol set.

10. The second node according to claim 7 , wherein the second transmitter also transmits third information, the third information is used to determine a second symbol set; wherein the first signaling is transmitted in only a second symbol group in the second symbol set; no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used to determine the second symbol group out of the second symbol set; the second symbol set comprises at least one multicarrier symbol, the second symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the second symbol group belongs to the second symbol set, and a number of multicarrier symbol(s) comprised in the second symbol group is not greater than a number of multicarrier symbol(s) comprised in the second symbol set;

or, the second transceiver also judges whether a second bit block is received in a first time-frequency resource group; if yes, receives the second bit block in the first time-frequency resource group; if no, drops receiving the second bit block in the first time-frequency resource group; wherein the operating action is receiving; the first signaling is used to indicate the first time-frequency resource group, and the second bit block is used to indicate whether the first radio signal is correctly received; no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used for the behavior of judging whether a second bit block is received in a first time-frequency resource group.

11. A method in a first node for wireless communications, comprising:

receiving a first signaling, the first signaling being used to indicate a first symbol set; and

operating a first radio signal in only a first symbol group in the first symbol set;

wherein the first signaling is used to indicate scheduling information of the first radio signal; the first symbol set comprises at least one multicarrier symbol, the first symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the first symbol group belongs to the first symbol set, and a number of multicarrier symbol(s) comprised in the first symbol group is not greater than a number of multicarrier symbol(s) comprised in the first symbol set; a target Time Division Duplex (TDD) configuration is used to determine a type of each multicarrier symbol in the first symbol set, the target TDD configuration is used to determine the first symbol group out of the first symbol set, and the first signaling implicitly indicates the target TDD configuration; the operating action is transmitting, or the operating action is receiving.

12. The method according to claim 11 , comprising:

receiving first information;

wherein the first information is carried by a higher-layer signaling, and the first information is used to determine a first TDD configuration; when a type of the first signaling comprises a first type, the target TDD configuration is the first TDD configuration; and when the type of the first signaling comprises a second type, the target TDD configuration is a second TDD configuration.

13. The method according to claim 11 , wherein when a type of the first signaling comprises a first type, the first radio signal comprises K1 subsignal(s), each of the K1 subsignal(s) carries a second bit block; K1 is a positive integer, and the second bit block comprises at least one bit; K1 is equal to 1, and the K1 subsignal is a transmission of the second bit block; or, K1 is greater than 1, positions of any two of the K1 subsignals in slots to which they respectively belong are the same;

when the type of the first signaling comprises a second type, the first radio signal comprises K sub-signals, and each of the K sub-signals carries a first bit block; K is a positive integer greater than 1, the first bit block comprises at least one bit; the K subsignals are respectively K repetitions of the first bit block; the first signaling indicates K0, the K0 being a positive integer, and the K0 is a number of nominal repetitions.

14. The method according to claim 12 , comprising:

receiving a second signaling, the second signaling being used to indicate a first slot format;

wherein the second signaling is carried by a physical-layer signaling; when the type of the first signaling comprises the first type, the target TDD configuration is the first TDD configuration, the first slot format and the target TDD configuration are used together to determine the first symbol group out of the first symbol set; when the type of the first signaling comprises the second type, the target TDD configuration is the second TDD configuration, only the target TDD configuration in the first slot format and the target TDD configuration is used to determine the first symbol group out of the first symbol set.

15. The method according to claim 12 , comprising:

receiving third information, the third information being used to indicate a second symbol set; and monitoring the first signaling in only a second symbol group in the second symbol set;

wherein no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used to determine the second symbol group out of the second symbol set; the second symbol set comprises at least one multicarrier symbol, the second symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the second symbol group belongs to the second symbol set, and a number of multicarrier symbol(s) comprised in the second symbol group is not greater than a number of multicarrier symbol(s) comprised in the second symbol set;

or, comprising:

judging whether a second bit block is transmitted in a first time-frequency resource group; if yes, transmitting the second bit block in the first time-frequency resource group; if no, dropping transmitting the second bit block in the first time-frequency resource group;

wherein the operating action is receiving; the first signaling is used to indicate the first time-frequency resource group, and the second bit block is used to indicate whether the first radio signal is correctly received; no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used for the behavior of judging whether a second bit block is transmitted in a first time-frequency resource group.

16. A method in a second node for wireless communication, comprising:

transmitting a first signaling, the first signaling being used to indicate a first symbol set; and

executing a first radio signal in only a first symbol group in the first symbol set;

wherein the first signaling is used to indicate scheduling information of the first radio signal; the first symbol set comprises at least one multicarrier symbol, the first symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the first symbol group belongs to the first symbol set, and a number of multicarrier symbol(s) comprised in the first symbol group is not greater than a number of multicarrier symbol(s) comprised in the first symbol set; a target Time Division Duplex (TDD) configuration is used to determine a type of each multicarrier symbol in the first symbol set, the target TDD configuration is used to determine the first symbol group out of the first symbol set, and the first signaling implicitly indicates the target TDD configuration; the executing action is receiving, or, the executing action is transmitting.

17. The method according to claim 16 , comprising:

transmitting first information;

wherein the first information is carried by a higher-layer signaling, and the first information is used to determine a first TDD configuration; when a type of the first signaling comprises a first type, the target TDD configuration is the first TDD configuration; and when the type of the first signaling comprises a second type, the target TDD configuration is a second TDD configuration.

18. The method according to claim 16 , wherein when a type of the first signaling comprises a first type, the first radio signal comprises K1 subsignal(s), each of the K1 subsignal(s) carries a second bit block; K1 is a positive integer, and the second bit block comprises at least one bit; K1 is equal to 1, and the K1 subsignal is a transmission of the second bit block; or, K1 is greater than 1, positions of any two of the K1 subsignals in slots to which they respectively belong are the same;

when the type of the first signaling comprises a second type, the first radio signal comprises K sub-signals, and each of the K sub-signals carries a first bit block; K is a positive integer greater than 1, the first bit block comprises at least one bit; the K subsignals are respectively K repetitions of the first bit block; the first signaling indicates K0, the K0 being a positive integer, and the K0 is a number of nominal repetitions.

19. The method according to claim 17 , comprising:

transmitting a second signaling, the second signaling being used to indicate a first slot format;

wherein the second signaling is carried by a physical-layer signaling; when the type of the first signaling comprises the first type, the target TDD configuration is the first TDD configuration, the first slot format and the target TDD configuration are used together to determine the first symbol group out of the first symbol set; when the type of the first signaling comprises the second type, the target TDD configuration is the second TDD configuration, only the target TDD configuration in the first slot format and the target TDD configuration is used to determine the first symbol group out of the first symbol set.

20. The method according to claim 17 , comprising:

transmitting first information, the first information being used to determine a second symbol set;

wherein the first signaling is transmitted in only a second symbol group in the second symbol set; no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used to determine the second symbol group out of the second symbol set; the second symbol set comprises at least one multicarrier symbol, the second symbol group comprises at least one multicarrier symbol, any multicarrier symbol in the second symbol group belongs to the second symbol set, and a number of multicarrier symbol(s) comprised in the second symbol group is not greater than a number of multicarrier symbol(s) comprised in the second symbol set;

or, comprising:

judging whether a second bit block is received in a first time-frequency resource group; if yes, receiving the second bit block in the first time-frequency resource group; if no, dropping receiving the second bit block in the first time-frequency resource group;

wherein the operating action is receiving; the first signaling is used to indicate the first time-frequency resource group, and the second bit block is used to indicate whether the first radio signal is correctly received; no matter whether the type of the first signaling comprises the first type or the second type, only the first TDD configuration in the first TDD configuration and the second TDD configuration is used for the behavior of judging whether a second bit block is received in a first time-frequency resource group.