Method and device in first node for wireless communication

1. A method in a first node for wireless communication, comprising:

performing a monitoring on first-type signalings, in which K 1 first-type signalings are detected; and

transmitting a first radio signal in a first time-frequency resource set;

wherein each of the K 1 first-type signalings is associated to the first time-frequency resource set; a first signaling is a last first-type signaling of the K 1 first-type signalings in time domain; the first radio signal is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling; or, the first radio signal is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling, and at least a bit block scheduled by one of the K 1 first-type signaling is not decoded correctly; the K 1 is a positive integer.

2. The method in the first node according to claim 1 , wherein the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that the K 1 is greater than 1, each of the K 1 first-type signalings indicates the first time-frequency resource set;

or, the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that time domain resources occupied by each of the K 1 first-type signalings belong to a second time domain resource set, the second time domain resource set is associated to the first time-frequency resource set.

3. The method in the first node according to claim 1 , wherein a first bit is used for generating the first radio signal; the first bit is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling; or, the first bit is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling, and at least one of the K 1 first-type signalings schedules a bit block that is not decoded correctly.

4. The method according to claim 1 , wherein a second bit sequence is used for generating the first radio signal; the second bit sequence comprises K 2 bits, the K 2 is a positive integer not less than the K 1 ; K 2 second time domain resource subsets are associated to the first time-frequency resource set, the K 1 first-type signalings are transmitted by a transmitter of the K 1 first-type signalings respectively in K 1 out of K 2 second time domain resource subsets; the K 2 bits are used for determining one of the following cases:

K 3 first-type signaling(s) is(are) not correctly decoded, the K 3 first-type signaling(s) is(are) transmitted by the transmitter of the K 1 first-type signalings respectively in K 3 second time domain resource subset(s) out of the K 2 second time domain resource subsets other than the K 1 second time domain resource subsets, the K 3 is a difference between the K 2 and the K 1 ;

K 4 bit block(s) is(are) not correctly decoded, the K 4 bit blocks is(are) respectively used for generating K 4 radio signal(s), the K 4 radio signal(s) is(are) respectively scheduled by K 4 first-type signaling(s) of the K 1 first-type signalings, the K 4 is a positive integer not greater than the K 1 .

5. The method according to claim 1 , comprising:

receiving K 1 radio signals;

wherein the K 1 first-type signalings are respectively used for scheduling the K 1 radio signals, K 1 bit blocks are used for generating the K 1 radio signals;

or, each of the M 1 first-type signalings is associated to the first time-frequency resource set, any of the K 1 first-type signalings is one of the M 1 first-type signalings; a given first-type signaling is any of the M 1 first-type signalings, the given first-type signaling comprises a first field, the first field is used for determining a sequence number of the given first-type signaling in the M 1 first-type signalings; the M 1 is a positive integer not less than the K 1 .

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

transmitting M 1 first-type signalings; and

monitoring a first radio signal in a first time-frequency resource set;

wherein each of the M 1 first-type signalings is associated to the first time-frequency resource set; a transmitter of the first radio signal is a first node; the first node performs a monitoring on first-type signalings, in which K 1 of the M 1 first-type signalings are detected, a first signaling is a last first-type signaling of the K 1 first-type signalings in time domain; the first radio signal is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded by the first node in a time domain position before the first signaling; or, the first radio signal is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded by the first node in a time domain position before the first signaling, and at least a bit block scheduled by one of the K 1 first-type signaling is not decoded correctly; the K 1 is a positive integer, and the M 1 is a positive integer not less than the K 1 .

7. The method in the second node according to claim 6 , wherein the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that the K 1 is greater than 1, each of the K 1 first-type signalings indicates the first time-frequency resource set;

or, the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that time domain resources occupied by each of the K 1 first-type signalings belong to a second time domain resource set, the second time domain resource set is associated to the first time-frequency resource set.

8. The method in the second node according to claim 6 , wherein a first bit is used for generating the first radio signal; the first bit is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling; or, the first bit is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling, and at least one of the K 1 first-type signalings schedules a bit block that is not decoded correctly.

9. The method in the second node according to claim 6 , wherein a second bit sequence is used for generating the first radio signal; the second bit sequence comprises K 2 bits, the K 2 is a positive integer not less than the K 1 ; K 2 second time domain resource subsets are associated to the first time-frequency resource set, the K 1 first-type signalings are transmitted by a transmitter of the K 1 first-type signalings respectively in K 1 out of K 2 second time domain resource subsets; the K 2 bits are used for determining one of the following cases:

K 3 first-type signaling(s) is(are) not correctly decoded, the K 3 first-type signaling(s) is(are) transmitted by the transmitter of the K 1 first-type signalings respectively in K 3 second time domain resource subset(s) out of the K 2 second time domain resource subsets other than the K 1 second time domain resource subsets, the K 3 is a difference between the K 2 and the K 1 ;

K 4 bit block(s) is(are) not correctly decoded, the K 4 bit blocks is(are) respectively used for generating K 4 radio signal(s), the K 4 radio signal(s) is(are) respectively scheduled by K 4 first-type signaling(s) of the K 1 first-type signalings, the K 4 is a positive integer not greater than the K 1 .

10. The method in the second node according to claim 6 , comprising:

transmitting M 1 radio signals;

wherein the M 1 first-type signalings are respectively used for scheduling the M 1 radio signals, M 1 bit blocks are used for generating the M 1 radio signals;

or, each of the M 1 first-type signalings is associated to the first time-frequency resource set, any of the K 1 first-type signalings is one of the M 1 first-type signalings; a given first-type signaling is any of the M 1 first-type signalings, the given first-type signaling comprises a first field, the first field is used for determining a sequence number of the given first-type signaling in the M 1 first-type signaling.

11. A first node for wireless communication, comprising:

a first receiver, performing a monitoring on first-type signalings, in which K 1 first-type signalings are detected; and

a first transmitter, transmitting a first radio signal in a first time-frequency resource set;

wherein each of the K 1 first-type signalings is associated to the first time-frequency resource set; a first signaling is a last first-type signaling of the K 1 first-type signalings in time domain; the first radio signal is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling; or, the first radio signal is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling, and at least a bit block scheduled by one of the K 1 first-type signaling is not decoded correctly; the K 1 is a positive integer.

12. The first node according to claim 11 , wherein the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that the K 1 is greater than 1, each of the K 1 first-type signalings indicates the first time-frequency resource set;

or, the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that time domain resources occupied by each of the K 1 first-type signalings belong to a second time domain resource set, the second time domain resource set is associated to the first time-frequency resource set.

13. The first node according to claim 11 , wherein a first bit is used for generating the first radio signal; the first bit is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling; or, the first bit is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling, and at least one of the K 1 first-type signalings schedules a bit block that is not decoded correctly.

14. The first node according to claim 11 , wherein a second bit sequence is used for generating the first radio signal; the second bit sequence comprises K 2 bits, the K 2 is a positive integer not less than the K 1 ; K 2 second time domain resource subsets are associated to the first time-frequency resource set, the K 1 first-type signalings are transmitted by a transmitter of the K 1 first-type signalings respectively in K 1 out of K 2 second time domain resource subsets; the K 2 bits are used for determining one of the following cases:

K 3 first-type signaling(s) is(are) not correctly decoded, the K 3 first-type signaling(s) is(are) transmitted by the transmitter of the K 1 first-type signalings respectively in K 3 second time domain resource subset(s) out of the K 2 second time domain resource subsets other than the K 1 second time domain resource subsets, the K 3 is a difference between the K 2 and the K 1 ;

K 4 bit block(s) is(are) not correctly decoded, the K 4 bit blocks is(are) respectively used for generating K 4 radio signal(s), the K 4 radio signal(s) is(are) respectively scheduled by K 4 first-type signaling(s) of the K 1 first-type signalings, the K 4 is a positive integer not greater than the K 1 .

15. The first node according to claim 11 , wherein the first receiver receives K 1 radio signals; the K 1 first-type signalings are respectively used for scheduling the K 1 radio signals, K 1 bit blocks are used for generating the K 1 radio signals;

or, each of the M 1 first-type signalings is associated to the first time-frequency resource set, any of the K 1 first-type signalings is one of the M 1 first-type signalings; a given first-type signaling is any of the M 1 first-type signalings, the given first-type signaling comprises a first field, the first field is used for determining a sequence number of the given first-type signaling in the M 1 first-type signalings; the M 1 is a positive integer not less than the K 1 .

16. A second node used for wireless communication, comprising:

a second transmitter, transmitting M 1 first-type signalings; and

a second receiver, monitoring a first radio signal in a first time-frequency resource set;

wherein each of the M 1 first-type signalings is associated to the first time-frequency resource set; a transmitter of the first radio signal is a first node; the first node performs a monitoring on first-type signalings, in which K 1 of the M 1 first-type signalings are detected, a first signaling is a last first-type signaling of the K 1 first-type signalings in time domain; the first radio signal is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded by the first node in a time domain position before the first signaling; or, the first radio signal is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded by the first node in a time domain position before the first signaling, and at least a bit block scheduled by one of the K 1 first-type signaling is not decoded correctly; the K 1 is a positive integer, and the M 1 is a positive integer not less than the K 1 .

17. The second node according to claim 16 , wherein the above phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that the K 1 is greater than 1, each of the K 1 first-type signalings indicates the first time-frequency resource set;

or, the phrase that each of the K 1 first-type signalings is associated to the first time-frequency resource set means that time domain resources occupied by each of the K 1 first-type signalings belong to a second time domain resource set, the second time domain resource set is associated to the first time-frequency resource set.

18. The second node according to claim 16 , wherein a first bit is used for generating the first radio signal; the first bit is used for determining that there is(are) first-type signaling(s) associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling; or, the first bit is used for determining that there is not any first-type signaling associated to the first time-frequency resource set not having been correctly decoded in a time domain position before the first signaling, and at least one of the K 1 first-type signalings schedules a bit block that is not decoded correctly.

19. The second node according to claim 16 , wherein a second bit sequence is used for generating the first radio signal; the second bit sequence comprises K 2 bits, the K 2 is a positive integer not less than the K 1 ; K 2 second time domain resource subsets are associated to the first time-frequency resource set, the K 1 first-type signalings are transmitted by a transmitter of the K 1 first-type signalings respectively in K 1 out of K 2 second time domain resource subsets; the K 2 bits are used for determining one of the following cases:

K 3 first-type signaling(s) is(are) not correctly decoded, the K 3 first-type signaling(s) is(are) transmitted by the transmitter of the K 1 first-type signalings respectively in K 3 second time domain resource subset(s) out of the K 2 second time domain resource subsets other than the K 1 second time domain resource subsets, the K 3 is a difference between the K 2 and the K 1 ;

K 4 bit block(s) is(are) not correctly decoded, the K 4 bit blocks is(are) respectively used for generating K 4 radio signal(s), the K 4 radio signal(s) is(are) respectively scheduled by K 4 first-type signaling(s) of the K 1 first-type signalings, the K 4 is a positive integer not greater than the K 1 .

20. The second node according to claim 16 , wherein the second transmitter transmits M 1 radio signals; the M 1 first-type signalings are respectively used for scheduling the M 1 radio signals, M 1 bit blocks are used for generating the M 1 radio signals;

or, each of the M 1 first-type signalings is associated to the first time-frequency resource set, any of the K 1 first-type signalings is one of the M 1 first-type signalings; a given first-type signaling is any of the M 1 first-type signalings, the given first-type signaling comprises a first field, the first field is used for determining a sequence number of the given first-type signaling in the M 1 first-type signaling.