Method and device in nodes used for wireless communication
View Patent ↗The present disclosure provides a method and a device in a communication node for wireless communications. A communication node receives first information, and the first information is used to determine a first payload size; monitors a first signaling in a target search space, a payload size of a payload of the first signaling is equal to a target payload size; the target search space is used to determine X payload size(s), the target payload size is equal to one of X payload size(s); when there exists one of the X payload size(s) being not less than the first payload size, the target payload size is equal to a payload size among the X payload size(s) which is closest to and not less than the first payload size. The application improves the performance of control signalings.
1. A first communication node for wireless communications, comprising:
a first receiver, receiving first information, the first information being used to determine a first payload size, the first payload size being a positive integer; and
a second receiver, monitoring a first signaling in a target search space, wherein a payload size of a payload of the first signaling being equal to a target payload size;
wherein the target search space is used to determine X payload size(s), the target payload size is equal to one of X payload size(s), X is a positive integer, and any of the X payload size(s) is a positive integer; when X is greater than 1 and there exists one of the X payload sizes being not less than the first payload size, the target payload size is equal to a payload size among the X payload sizes which is closest to and not less than the first payload size; when X is greater than 1 and any of the X payload sizes is less than the first payload size, the target payload size is equal to a largest payload size among the X payload sizes.
2. The first communication node according to claim 1 , wherein the first receiver receives second information; wherein the target search space is a Common Search Space (CSS), or the target search space is a UE-specific search space (USS); the second information is used to determine whether the target search space is a CSS or a USS.
3. The first communication node according to claim 2 , wherein when the target search space is a CSS, X is equal to 1 and the target payload size is equal to a payload size of control information adopting a first control information format, and the control information adopting the first control information format can be used in a CSS to schedule a Physical Downlink Shared Channel (PDSCH).
4. The first communication node according to claim 2 , wherein when the target search space is a USS, the second information is also used to determine Y control information formats, Y being a positive integer greater than 1; the Y control information formats are used to determine the X payload size(s).
5. The first communication node according to claim 1 , wherein a first bit sequence is used to generate the first signaling, and the first payload size is equal to a number of bits comprised in the first bit sequence; when the target payload size is greater than the first payload size, the first bit sequence generates a payload of the first signaling by adding padding bits, and a sum of the first payload size and a number of padding bits comprised in a payload of the first signaling is equal to the target payload size; when the target payload size is less than the first payload size, the first bit sequence generates a payload of the first signaling through bit truncation, and a number of truncated bits of the first bit sequence is equal to a difference value of the first payload size and the target payload size.
6. The first communication node according to claim 5 , wherein when the target payload size is less than the first payload size, the first bit sequence generates a payload of the first signaling after being truncated M bit(s), M1 bit(s) comprised in the M bit(s) belongs (belong) to a first field in the first bit sequence, the first field is used to indicate frequency-domain resources, M being a positive integer, M1 being a positive integer not greater than M.
7. The first communication node according to claim 1 , comprising:
a first processor, operating a first signal;
wherein the first signaling is detected, the first signaling is used to determine time-frequency resources occupied by the first signal, and the operating action is transmitting, or the operating action is receiving.
8. A second communication node for wireless communications, comprising:
a first transmitter, transmitting first information, the first information being used to determine a first payload size, the first payload size being a positive integer; and
a second transmitter, transmitting a first signaling in a target search space, wherein a payload size of a payload of the first signaling being equal to a target payload size;
wherein the target search space is used to determine X payload size(s), the target payload size is equal to one of X payload size(s), X is a positive integer, and any of the X payload size(s) is a positive integer; when X is greater than 1 and there exists one of the X payload sizes being not less than the first payload size, the target payload size is equal to a payload size among the X payload sizes which is closest to and not less than the first payload size; when X is greater than 1 and any of the X payload sizes is less than the first payload size, the target payload size is equal to a largest payload size among the X payload sizes.
9. The second communication node according to claim 8 , wherein the first transmitter transmits second information; wherein the target search space is a CSS, or the target search space is a USS; the second information is used to indicate whether the target search space is a CSS or a USS.
10. The second communication node according to claim 9 , wherein when the target search space is a CSS, X is equal to 1 and the target payload size is equal to a payload size of control information adopting control information of a first control information format, and the control information adopting the first control information format can be used in a CSS to schedule a PDSCH; when the target search space is a USS, the second information is also used to indicate Y control information formats, Y being a positive integer greater than 1; the Y control information formats are used to determine the X payload size(s).
11. The second communication node according to claim 8 , wherein a first bit sequence is used to generate the first signaling, and the first payload size is equal to a number of bits comprised in the first bit sequence; when the target payload size is greater than the first payload size, the first bit sequence generates a payload of the first signaling by adding padding bits, and a sum of the first payload size and a number of padding bits comprised in a payload of the first signaling is equal to the target payload size; when the target payload size is less than the first payload size, the first bit sequence generates a payload of the first signaling through bit truncation, and a number of truncated bits of the first bit sequence is equal to a difference value of the first payload size and the target payload size.
12. The second communication node according to claim 11 , wherein when the target payload size is less than the first payload size, the first bit sequence generates a payload of the first signaling after being truncated M bit(s), M1 bit(s) comprised in the M bit(s) belongs (belong) to a first field in the first bit sequence, the first field is used to indicate frequency-domain resources, M being a positive integer, M1 being a positive integer not greater than M.
13. The second communication node according to claim 8 , comprising:
a second processor, executing a first signal;
wherein the first signaling is used to determine time-frequency resources occupied by the first signal, the executing action is receiving, or the executing action is transmitting.
14. A method in a first communication node for wireless communications, comprising:
receiving first information, the first information being used to determine a first payload size, the first payload size being a positive integer; and
monitoring a first signaling in a target search space, wherein a payload size of a payload of the first signaling being equal to a target payload size;
wherein the target search space is used to determine X payload size(s), the target payload size is equal to one of X payload size(s), X is a positive integer, and any of the X payload size(s) is a positive integer; when X is greater than 1 and there exists one of the X payload sizes being not less than the first payload size, the target payload size is equal to a payload size among the X payload sizes which is closest to and not less than the first payload size; when X is greater than 1 and any of the X payload sizes is less than the first payload size, the target payload size is equal to a largest payload size among the X payload sizes.
15. The method in a first communication node according to claim 14 , comprising:
receiving second information;
wherein the target search space is a CSS, or the target search space is a USS; the second information is used to determine whether the target search space is a CSS or a USS.
16. The method in a first communication node according to claim 15 , wherein when the target search space is a CSS, X is equal to 1 and the target payload size is equal to a payload size of control information adopting a first control information format, and the control information adopting the first control information format can be used in a CSS to schedule a PDSCH.
17. The method in a first communication node according to claim 15 , wherein when the target search space is a USS, the second information is also used to determine Y control information formats, Y being a positive integer greater than 1; the Y control information formats are used to determine the X payload size(s).
18. The method in a first communication node according to claim 14 , wherein a first bit sequence is used to generate the first signaling, and the first payload size is equal to a number of bits comprised in the first bit sequence; when the target payload size is greater than the first payload size, the first bit sequence generates a payload of the first signaling by adding padding bits, and a sum of the first payload size and a number of padding bits comprised in a payload of the first signaling is equal to the target payload size; when the target payload size is less than the first payload size, the first bit sequence generates a payload of the first signaling through bit truncation, and a number of truncated bits of the first bit sequence is equal to a difference value of the first payload size and the target payload size.
19. The method in a first communication node according to claim 18 , wherein when the target payload size is less than the first payload size, the first bit sequence generates a payload of the first signaling after being truncated M bit(s), M1 bit(s) comprised in the M bit(s) belongs (belong) to a first field in the first bit sequence, the first field is used to indicate frequency-domain resources, M being a positive integer, M1 being a positive integer not greater than M.
20. The method in a first communication node according to claim 14 , comprising:
operating a first signal;
wherein the first signaling is detected, the first signaling is used to determine time-frequency resources occupied by the first signal, and the operating action is transmitting, or the operating action is receiving.