METHOD AND DEVICE USED IN COMMUNICATION NODE FOR WIRELESS COMMUNICATION
A communication node receives a first signaling, and the first signaling indicates a target identity; monitors a first PDCCH, the first PDCCH is associated with a first downlink RS resource, the first downlink RS resource is associated with a first PCI; receives a second signaling, the second signaling is used to indicate a second PCI; as a response to the behavior of receiving a second signaling, monitors a second PDCCH and discards monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; the first signaling comprises an RRC message; the second signaling comprises a signaling below the RRC layer; the first PDCCH uses a source identity for scrambling; the second PDCCH uses the target identity for scrambling; the source identity and the target identity are different.
1 . A first node for wireless communications, comprising:
a first receiver, receiving a first signaling, the first signaling indicating a target identity; monitoring a first PDCCH, the first PDCCH being associated with a first downlink RS resource, the first downlink RS resource being associated with a first PCI; receiving a second signaling, the second signaling being used to indicate a second PCI; as a response to the behavior of receiving the second signaling, monitoring a second PDCCH and discarding monitoring the first PDCCH, the second PDCCH being associated with a second downlink RS resource, and the second downlink RS resource being associated with the second PCI;
wherein the first signaling comprises an RRC message; the second signaling comprises a signaling below the RRC layer; the first PDCCH uses a source identity for scrambling; the second PDCCH uses the target identity for scrambling; the source identity and the target identity are different; the source identity and the target identity are respectively an RNTI.
2 . The first node according to claim 1 , wherein the first signaling is used to configure a candidate cell; the first signaling comprises an RRCReconfiguration message or the first signaling comprises an RRCResume message.
3 . The first node according to claim 1 , wherein the first PCI is different from the second PCI; the second PCI is used to identify a second cell; the first signaling comprises physical-layer parameters of the first node in the second cell, and/or, the first signaling comprises a C-RNTI of the first node in the second cell, the C-RNTI is the target identity, and/or, the first signaling comprises a timer T304.
4 . The first node according to claim 1 , wherein the first PDCCH being associated with a first downlink RS resource comprises: the first PDCCH is associated with a CORESET, and the CORESET comprises the first downlink RS resource; the second PDCCH is associated with a second downlink RS resource comprises: the second PDCCH is associated with a CORESET, and the CORESET comprises the second downlink RS resource.
5 . The first node according to claim 1 , wherein the first downlink RS resource corresponds to a TCI state identity; the second downlink RS resource corresponds to a TCI state identity; the first downlink RS resource comprises a CSI-RS indexed by NZP-CSI-RS-ResourceId, or the first downlink RS resource comprises an SSB indexed by SSB-Index; the second downlink RS resource comprises a CSI-RS indexed by NZP-CSI-RS-ResourceId, or the second downlink RS resource comprises an SSB indexed by SSB-Index.
6 . The first node according to claim 1 , wherein the second signaling comprises a MAC CE; the phrase that the second signaling comprises a signaling below the RRC layer comprises: the second signaling is generated at the MAC layer.
7 . The first node according to claim 1 , wherein the second signaling comprises a TCI State ID field, the TCI State ID field is used to indicate a TCI state, and the TCI state is associated with the second downlink RS resource; wherein the second downlink RS resource is associated with the second PCI.
8 . The first node according to claim 1 , wherein the second signaling comprises a first field, the first field indicates the second PCI, the first field is set as a first configuration index, the first configuration index corresponds to a cell identified by the second PCI, and the first configuration index is a non-negative integer.
9 . The first node according to claim 1 , wherein the first PDCCH indicates scheduling information of the second signaling.
10 . The first node according to claim 1 , wherein the second PDCCH comprises a USS set.
11 . The first node according to claim 1 , wherein when the first signaling is received, a configuration in the first signaling is not applied, and when the second signaling is received, a configuration in the first signaling is applied.
12 . The first node according to claim 1 , comprising:
the first receiver, as a response to the behavior of receiving a second signaling, regarding a first secondary cell to be deactivated;
wherein the first secondary cell and a cell identified by the first PCI belong to a same cell group.
13 . The first node according to claim 12 , wherein the first secondary cell and a cell identified by the second PCI belong to different TAGs.
14 . The first node according to claim 1 , comprising:
the first receiver, as a response to the behavior of receiving a second signaling, setting a C-RNTI as the target identity.
15 . The first node according to claim 1 , wherein the source identity is a C-RNTI of the first node in the cell identified by the first PCI; the target identity is a C-RNTI of the first node in the cell identified by the second PCI.
16 . The first node according to claim 1 , comprising:
the first receiver, as a response to the behavior of receiving a second signaling, clearing a first counter to zero; the behavior of clearing a first counter to zero comprises: setting the first counter to 0; the first counter being maintained at the MAC layer.
17 . The first node according to claim 1 , wherein the first counter is BFI_COUNTER, or, the first counter is LBT_COUNTER.
18 . The first node according to claim 1 , wherein as a response to the behavior of receiving a second signaling, stop a first timer, the first timer is maintained at the MAC layer; the first timer is lbt-FailureDetectionTimer, or, the first timer is beamFailureDetectionTimer.
19 . A second node for wireless communications, comprising:
a second transmitter, transmitting a first signaling, the first signaling indicating a target identity; transmitting a first PDCCH, the first PDCCH being associated with a first downlink RS resource, the first downlink RS resource being associated with a first PCI; transmitting a second signaling, the second signaling being used to indicate a second PCI;
wherein as a response to the second signaling being received, a second PDCCH is monitored and the first PDCCH is discarded to be monitored, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; the first signaling comprises an RRC message; the second signaling comprises a signaling below the RRC layer; the first PDCCH uses a source identity for scrambling; the second PDCCH uses the target identity for scrambling; the source identity and the target identity are different; the source identity and the target identity are respectively an RNTI.
20 . A method in a first node for wireless communications, comprising:
receiving a first signaling, the first signaling indicating a target identity;
monitoring a first PDCCH, the first PDCCH being associated with a first downlink RS resource, the first downlink RS resource being associated with a first PCI;
receiving a second signaling, the second signaling being used to indicate a second PCI; and
as a response to the behavior of receiving a second signaling, monitoring a second PDCCH and discarding monitoring the first PDCCH, the second PDCCH being associated with a second downlink RS resource, and the second downlink RS resource being associated with the second PCI;
wherein the first signaling comprises an RRC message; the second signaling comprises a signaling below the RRC layer; the first PDCCH uses a source identity for scrambling; the second PDCCH uses the target identity for scrambling; the source identity and the target identity are different; the source identity and the target identity are respectively an RNTI.