METHOD AND DEVICE IN A NODE USED FOR WIRELESS COMMUNICATION
Disclosure provides a method and device in a node for wireless communications. A node first receives first information, and then monitors a first-type signaling in a first time-frequency-resource pool; the first information is used to determine a first candidate parameter and a second candidate parameter; a target parameter is the first candidate parameter, or a target parameter is the second candidate parameter; the first time-frequency-resource pool comprises K1 Resource Element (RE) sets, the first-type signaling occupies one of the K1 RE sets; the target parameter is used for receiving the first-type signaling. The present disclosure associates spatial characteristics of the first time-frequency-resource pool with whether it is in the first time window or not, which ensures a more flexible spatial configuration of the control resource set, thus improving the overall performance.
1 . A first node for wireless communications, comprising:
a first receiver, which receives first information; and
a first transceiver, which monitors a first-type signaling in a first time-frequency-resource pool;
wherein the first information is used to determine a first candidate parameter and a second candidate parameter; a target parameter is the first candidate parameter, or a target parameter is the second candidate parameter; the first time-frequency-resource pool comprises K1 Resource Element (RE) sets, the first-type signaling occupies one of the K1 RE sets; the target parameter is used for receiving the first-type signaling; whether the first time-frequency-resource pool belongs to a first time window in time domain is used to determine whether the target parameter is the first candidate parameter or the second candidate parameter; the Kl is a positive integer greater than 1.
2 . The first node according to claim 1 , wherein the first information comprises the first candidate parameter and the second candidate parameter, and the first information is used to indicate the first time-frequency-resource pool.
3 . The first node according to claim 1 , wherein the first information only comprises one of the first candidate parameter or the second candidate parameter, one of the first candidate parameter or the second candidate parameter that is not comprised in the first information is configured via a higher-layer signaling, and the higher-layer signaling is used to indicate that the first candidate parameter is associated with the second candidate parameter.
4 . The first node according to any of claims 1 , wherein the first transceiver receives a target signaling, and the target signaling is used to determine the first time window.
5 . The first node according to any of claims 1 , wherein the first receiver receives second information, the second information is used to indicate M1 candidate parameters, M1 being a positive integer greater than 1, and the first candidate parameter is one of the M1 candidate parameters.
6 . The first node according to any of claims 1 , wherein the first transceiver receives a first signaling in a first RE set, and the first transceiver operates a target signal in a target time-frequency-resource block; the first RE set is one of the K1 RE sets, and the first signaling is the first-type signaling; the first signaling is used to indicate the target time-frequency-resource block; the operating action is transmitting, or the operating action is receiving.
7 . The first node according to claim 6 , wherein the first signaling is used to indicate a first parameter out of a first parameter set, and the first parameter is used for receiving the target signal, or the first parameter is used for transmitting the target signal; the first parameter set is one of a first-type parameter set or a second-type parameter set; whether the first time-frequency-resource pool belongs to the first time window in time domain is used to determine whether the first parameter set is the first-type parameter set or the second-type parameter set.
8 . The first node according to any of claims 1 , wherein a start time of the first time window in time domain is indicated via a physical-layer dynamic signaling transmitted by a transmitter of the first information.
9 . The first node according to any of claims 1 , wherein the above phrase that the target parameter is used for receiving the first-type signaling includes: the target parameter is used to indicate a target reference signal, and the target reference signal is Quasi Co-located (QCL) with the first-type signaling.
10 . A second node for wireless communications, comprising:
a first transmitter, which transmits first information; and
a second transceiver, which transmits a first-type signaling in a first time-frequency-resource pool;
wherein the first information is used to determine a first candidate parameter and a second candidate parameter; a target parameter is the first candidate parameter, or a target parameter is the second candidate parameter; the first time-frequency-resource pool comprises K1 RE sets, the first-type signaling occupies one of the K1 RE sets; the target parameter is used for receiving the first-type signaling; whether the first time-frequency-resource pool belongs to a first time window in time domain is used to determine whether the target parameter is the first candidate parameter or the second candidate parameter; the K1 is a positive integer greater than 1.
11 . The second node according to claim 10 , wherein the first information comprises the first candidate parameter and the second candidate parameter, and the first information is used to indicate the first time-frequency-resource pool.
12 . The second node according to claim 10 , wherein the first information only comprises one of the first candidate parameter or the second candidate parameter, one of the first candidate parameter or the second candidate parameter that is not comprised in the first information is configured via a higher-layer signaling, and the higher-layer signaling is used to indicate that the first candidate parameter is associated with the second candidate parameter.
13 . The second node according to any of claims 10 , wherein the second transceiver transmits a target signaling, and the target signaling is used to determine the first time window.
14 . The second node according to any of claims 10 , wherein the first transmitter transmits second information, the second information is used to indicate M1 candidate parameters, M1 being a positive integer greater than 1, and the first candidate parameter is one of the M1 candidate parameters.
15 . The second node according to any of claims 10 , wherein the second transceiver transmits a first signaling in a first RE set, and the second transceiver transmits a target signal in a target time-frequency-resource block, or the second transceiver receives a target signal in a target time-frequency-resource block; the first RE set is one of the K1 RE sets, and the first signaling is the first-type signaling; the first signaling is used to indicate the target time-frequency-resource block.
16 . The second node according to claim 15 , wherein the first signaling is used to indicate a first parameter out of a first parameter set, the first parameter is used for transmitting the target signal, or the first parameter is used for receiving the target signal; the first parameter set is one of a first-type parameter set or a second-type parameter set; whether the first time-frequency-resource pool belongs to the first time window in time domain is used to determine whether the first parameter set is the first-type parameter set or the second-type parameter set.
17 . The second node according to any of claims 10 , wherein a start time of the first time window in time domain is indicated via a physical-layer dynamic signaling transmitted by the second node.
18 . The second node according to any of claims 10 , wherein the above phrase that the target parameter is used for receiving the first-type signaling includes: the target parameter is used to indicate a target reference signal, and the target reference signal is QCL with the first-type signaling.
19 . A method in a first node for wireless communications, comprising:
receiving first information; and
monitoring a first-type signaling in a first time-frequency-resource pool;
wherein the first information is used to determine a first candidate parameter and a second candidate parameter; a target parameter is the first candidate parameter, or a target parameter is the second candidate parameter; the first time-frequency-resource pool comprises K1 RE sets, the first-type signaling occupies one of the K1 RE sets; the target parameter is used for receiving the first-type signaling; whether the first time-frequency-resource pool belongs to a first time window in time domain is used to determine whether the target parameter is the first candidate parameter or the second candidate parameter; the K1 is a positive integer greater than 1.
20 . The method in a first node according to claim 19 , wherein the first information comprises the first candidate parameter and the second candidate parameter, and the first information is used to indicate the first time-frequency-resource pool.