Method and device used in node for wireless communication

1. A first node used for wireless communications, comprising:

a first receiver, which receives first information, the first information indicating a first symbol set; and

a first transmitter, which transmits a first signaling in a first symbol group;

the first transmitter, which also transmits a first radio signal in a second symbol group;

wherein the first symbol group belongs to the first symbol set; the first signaling indicates the second symbol group, the second symbol group comprising a positive integer number of multicarrier symbols; at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group belongs to the first symbol set, and at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group does not belong to the first symbol set; a first bit sequence is used for generating the first radio signal, and the first bit sequence comprises a first bit sub-sequence and a second bit sub-sequence, and an order of the first bit sub-sequence in the first bit sequence is prior to that of the second bit sub-sequence in the first bit sequence; the first bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group belonging to the first symbol set, while the second bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group not belonging to the first symbol set.

2. The first node according to claim 1 , comprising:

the first receiver receiving a second signaling;

wherein the second signaling indicates a second symbol set; the second symbol set comprises the first symbol set, and the second symbol group belongs to the second symbol set.

3. The first node according to claim 1 , comprising:

the first receiver detecting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; the first symbol group is used for indicating the third symbol group, and the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

4. The first node according to claim 1 , comprising:

the first receiver detecting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; a first symbol sub-group is used for indicating the third symbol group; the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the first symbol sub-group comprises each multicarrier symbol in the second symbol group that belongs to the first symbol set; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

5. The first node according to claim 1 , wherein the first bit sub-sequence is sequentially mapped into multicarrier symbols comprised by the first symbol sub-group in chronological order; while the second bit sub-sequence is reversely mapped into multicarrier symbols comprised by the second symbol sub-group in chronological order.

6. A second node used for wireless communications, comprising:

a second transmitter, which transmits first information, the first information indicating a first symbol set; and

a second receiver, which monitors a first signaling in a first symbol group;

the second receiver, which receives a first radio signal in a second symbol group when the first signaling is detected;

wherein the first symbol group belongs to the first symbol set; the first signaling indicates the second symbol group, the second symbol group comprising a positive integer number of multicarrier symbols; at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group belongs to the first symbol set, and at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group does not belong to the first symbol set; a first bit sequence is used for generating the first radio signal, and the first bit sequence comprises a first bit sub-sequence and a second bit sub-sequence, and an order of the first bit sub-sequence in the first bit sequence is prior to that of the second bit sub-sequence in the first bit sequence; the first bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group belonging to the first symbol set, while the second bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group not belonging to the first symbol set.

7. The second node according to claim 6 , wherein the second transmitter transmits a second signaling; wherein the second signaling indicates a second symbol set; the second symbol set comprises the first symbol set, and the second symbol group belongs to the second symbol set.

8. The second node according to claim 6 , comprising:

the second transmitter transmitting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; the first symbol group is used for indicating the third symbol group, and the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

9. The second node according to claim 6 , comprising:

the second transmitter transmitting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; a first symbol sub-group is used for indicating the third symbol group; the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the first symbol sub-group comprises each multicarrier symbol in the second symbol group that belongs to the first symbol set; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

10. The second node according to claim 6 , wherein the first bit sub-sequence is sequentially mapped into multicarrier symbols comprised by the first symbol sub-group in chronological order; while the second bit sub-sequence is reversely mapped into multicarrier symbols comprised by the second symbol sub-group in chronological order.

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

receiving first information, the first information indicating a first symbol set;

transmitting a first signaling in a first symbol group; and

transmitting a first radio signal in a second symbol group;

wherein the first symbol group belongs to the first symbol set; the first signaling indicates the second symbol group, the second symbol group comprising a positive integer number of multicarrier symbols; at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group belongs to the first symbol set, and at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group does not belong to the first symbol set; a first bit sequence is used for generating the first radio signal, and the first bit sequence comprises a first bit sub-sequence and a second bit sub-sequence, and an order of the first bit sub-sequence in the first bit sequence is prior to that of the second bit sub-sequence in the first bit sequence; the first bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group belonging to the first symbol set, while the second bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group not belonging to the first symbol set.

12. The method according to claim 11 , comprising:

receiving a second signaling;

wherein the second signaling indicates a second symbol set; the second symbol set comprises the first symbol set, and the second symbol group belongs to the second symbol set.

13. The method according to claim 11 , comprising:

detecting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; the first symbol group is used for indicating the third symbol group, and the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

14. The method according to claim 11 , comprising:

detecting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; a first symbol sub-group is used for indicating the third symbol group; the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the first symbol sub-group comprises each multicarrier symbol in the second symbol group that belongs to the first symbol set; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

15. The method according to claim 11 , wherein the first bit sub-sequence is sequentially mapped into multicarrier symbols comprised by the first symbol sub-group in chronological order; while the second bit sub-sequence is reversely mapped into multicarrier symbols comprised by the second symbol sub-group in chronological order.

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

transmitting first information, the first information indicating a first symbol set;

monitoring a first signaling in a first symbol group; and

receiving a first radio signal in a second symbol group when the first signaling is detected;

wherein the first symbol group belongs to the first symbol set; the first signaling indicates the second symbol group, the second symbol group comprising a positive integer number of multicarrier symbols; at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group belongs to the first symbol set, and at least one multicarrier symbol of the positive integer number of multicarrier symbols comprised by the second symbol group does not belong to the first symbol set; a first bit sequence is used for generating the first radio signal, and the first bit sequence comprises a first bit sub-sequence and a second bit sub-sequence, and an order of the first bit sub-sequence in the first bit sequence is prior to that of the second bit sub-sequence in the first bit sequence; the first bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group belonging to the first symbol set, while the second bit sub-sequence is mapped onto multicarrier symbol(s) in the second symbol group not belonging to the first symbol set.

17. The method according to claim 16 , wherein a second signaling is transmitted; wherein the second signaling indicates a second symbol set; the second symbol set comprises the first symbol set, and the second symbol group belongs to the second symbol set.

18. The method according to claim 16 , comprising:

transmitting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; the first symbol group is used for indicating the third symbol group, and the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

19. The method according to claim 16 , comprising:

transmitting first target information in a third symbol group;

wherein the first target information indicates whether the first radio signal is correctly decoded; a first symbol sub-group is used for indicating the third symbol group; the third symbol group is unrelated to a number of and respective position(s) of multicarrier symbol(s) comprised by a second symbol sub-group; the first symbol sub-group comprises each multicarrier symbol in the second symbol group that belongs to the first symbol set; the second symbol sub-group comprises each multicarrier symbol in the second symbol group that does not belong to the first symbol set.

20. The method according to claim 16 , wherein the first bit sub-sequence is sequentially mapped into multicarrier symbols comprised by the first symbol sub-group in chronological order; while the second bit sub-sequence is reversely mapped into multicarrier symbols comprised by the second symbol sub-group in chronological order.