METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
A node first receives a first information block, the first information block is used to determine a target time-frequency resource and a first time-frequency resource set, the first time-frequency resource set comprises K1 first-type time-frequency resources, the target time-frequency resource is associated with each of the K1 first-type time-frequency resources; then transmits a first measurement information set; an interference measurement performed on the target time-frequency resource is used to determine the first measurement information set; the first measurement information set comprises a first resource indication, and the first resource indication is used to determine a target first-type time-frequency resource in the K1 first-type time-frequency resources; a channel measurement performed on the target first-type time-frequency resource is used to determine the first measurement information set. The present application improves the channel and interference measurement method under full duplex, thereby optimizing the system performance.
1 . A first node for wireless communications, comprising:
a first receiver, receiving a first information block, the first information block being used to determine a target time-frequency resource and a first time-frequency resource set, the first time-frequency resource set comprising K1 first-type time-frequency resources, the target time-frequency resource being associated with each of the K1 first-type time-frequency resources; and
a first transmitter, transmitting a first measurement information set;
wherein an interference measurement performed on the target time-frequency resource is used to determine the first measurement information set; the first measurement information set comprises a first resource indication, and the first resource indication is used to determine a target first-type time-frequency resource in the K1 first-type time-frequency resources; a channel measurement performed on the target first-type time-frequency resource is used to determine the first measurement information set; the first information block is used to determine a first power offset value, and first power offset value is used to indicate a power difference of a reference signal transmitted in the target time-frequency resource and a benchmark signal; K1 is a positive integer greater than 1.
2 . The first node according to claim 1 , wherein the first information block is used to determine a second time-frequency resource set, the second time-frequency resource set comprises K1 second-type time-frequency resources, and the K1 first-type time-frequency resources are respectively associated with the K1 second-type time-frequency resources; the target first-type time-frequency resource is associated with a target second-type time-frequency resource in the K1 second-type time-frequency resources, and an interference measurement performed on the target second-type time-frequency resource is used to determine the first measurement information set.
3 . The first node according to claim 1 , wherein a value range of the first power offset is a first set, the first set is one of a first candidate value set and a second candidate value set, and the first candidate value set is different from the second candidate value set.
4 . The first node according to claim 3 , wherein the first set is related to a type of resources occupied by a first reference time-frequency resource; the first reference time-frequency resource and the first time-frequency resource are QCLed.
5 . The first node according to claim 1 , wherein a value range of the first power offset value is a first candidate value set, the first information block also indicates a target power offset value, the target power offset value indicates a power difference of a reference signal transmitted in the target first-type time-frequency resource and a PDSCH, and a value range of the target power offset value is a second candidate value set; the first candidate value set is different from the second candidate value set.
6 . The first node according to claim 5 , wherein the K1 first-type time-frequency resources comprises at least one periodic Non Zero Power (NZP) CSI-RS (Channel-State Information Reference Signals) resource, compared to any the periodic NZP CSI-RS resource in the K1 first-type time-frequency resources, configuration information of the target time-frequency resource indicated by the first information block lacks a first field, and the first field is used to indicate QCL (Quasi co-location) parameters.
7 . The first node according to claim 1 , wherein the first receiver receives a first signal and K1 first-type signals; the first signal occupies the target time-frequency resource, and the K1 first-type signals respectively occupy the K1 first-type time-frequency resources.
8 . The first node according to claim 2 , wherein the first receiver receives K1 second-type signals; the K1 second-type signals respectively occupy the K1 second-type time-frequency resources.
9 . The first node according to claim 1 , wherein the first receiver is used to determine the target first-type time-frequency resource from the K1 first-type time-frequency resources, and the target first-type time-frequency resource is a first-type time-frequency resource producing a strongest interference amount to a radio signal transmitted in the target time-frequency resource measured among the K1 first-type time-frequency resources; the first resource indication is used to indicate the target candidate resource set.
10 . The first node according to claim 1 , wherein the target time-frequency resource is an NZP CSI-RS resource, or is an SSB resource indicated by an ssb-Index.
11 . The first node according to claim 1 , wherein the meaning of the above phrase that the target time-frequency resource is associated with each of the K1 first-type time-frequency resources comprises: the target time-frequency resource is a target reference signal resource, the K1 first-type time-frequency resources are respectively K1 first-type reference signal resources, and a reference signal transmitted in the target reference signal resource is QCLed with a reference signal transmitted in any of the K1 first-type reference signal resources.
12 . The first node according to claim 1 , wherein the interference measurement performed on the target time-frequency resource comprises a measurement performed on a radio signal used for inter-base station radio interaction transmitted by a serving cell.
13 . The first node according to claim 1 , wherein the interference measurement performed on the target time-frequency resource comprises measuring a reference signal transmitted by a non-serving cell.
14 . The first node according to claim 1 , wherein the benchmark signal comprises a PDSCH, or the benchmark signal comprises a PBSCH.
15 . A second node for wireless communications, comprising:
a second transmitter, transmitting a first information block, the first information block being used to determine a target time-frequency resource and a first time-frequency resource set, the first time-frequency resource set comprising K1 first-type time-frequency resources, the target time-frequency resource being associated with each of the K1 first-type time-frequency resources; and
a second receiver, receiving a first measurement information set;
wherein an interference measurement performed on the target time-frequency resource is used to determine the first measurement information set; the first measurement information set comprises a first resource indication, and the first resource indication is used to determine a target first-type time-frequency resource in the K1 first-type time-frequency resources; a channel measurement performed on the target first-type time-frequency resource is used to determine the first measurement information set; the first information block is used to determine a first power offset value, and first power offset value is used to indicate a power difference of a reference signal transmitted in the target time-frequency resource and a benchmark signal; K1 is a positive integer greater than 1.
16 . The second node according to claim 15 , wherein the first information block is used to determine a second time-frequency resource set, the second time-frequency resource set comprises K1 second-type time-frequency resources, and the K1 first-type time-frequency resources are respectively associated with the K1 second-type time-frequency resources; the target first-type time-frequency resource is associated with a target second-type time-frequency resource in the K1 second-type time-frequency resources, and an interference measurement performed on the target second-type time-frequency resource is used to determine the first measurement information set.
17 . The second node according to claim 15 , wherein a value range of the first power offset is a first set, the first set is one of a first candidate value set and a second candidate value set, and the first candidate value set is different from the second candidate value set.
18 . The second node according to claim 17 , wherein the first set is related to a type of resources occupied by a first reference time-frequency resource; the first reference time-frequency resource and the first time-frequency resource are QCLed.
19 . The second node according to claim 15 , wherein a value range of the first power offset value is a first candidate value set, the first information block also indicates a target power offset value, the target power offset value indicates a power difference of a reference signal transmitted in the target first-type time-frequency resource and a PDSCH, and a value range of the target power offset value is a second candidate value set; the first candidate value set is different from the second candidate value set.
20 . A method in a first node for wireless communications, comprising:
receiving a first information block, the first information block being used to determine a target time-frequency resource and a first time-frequency resource set, the first time-frequency resource set comprising K1 first-type time-frequency resources, the target time-frequency resource being associated with each of the K1 first-type time-frequency resources; and
transmitting a first measurement information set;
wherein an interference measurement performed on the target time-frequency resource is used to determine the first measurement information set; the first measurement information set comprises a first resource indication, and the first resource indication is used to determine a target first-type time-frequency resource in the K1 first-type time-frequency resources; a channel measurement performed on the target first-type time-frequency resource is used to determine the first measurement information set; the first information block is used to determine a first power offset value, and first power offset value is used to indicate a power difference of a reference signal transmitted in the target time-frequency resource and a benchmark signal; K1 is a positive integer greater than 1.