Method and device for wireless reference signal processing
First node receives a first configuration information block, a first reference signal and a first signal; the first configuration information block being used to determine configuration information for a first reference signal, which includes a first TCI state; the configuration information for the first reference signal being used to determine a first PCI, the first signal indicating a second PCI; the first reference signal and the first signal are overlapping in time domain; the second PCI is not equal to a PCI of a target cell, the target cell being a serving cell of the first node; whether the first reference signal and the first signal are quasi-co-located is related to whether the first PCI and the second PCI are equal. This allows the UE to flexibly choose to prioritize the reception of the reference signal of the serving cell or the synchronization signal of the additional cell as needed.
1 . A user equipment (UE) for wireless communications, the UE comprising:
a receiver configured to:
receive a first configuration information block that determines configuration information of a demodulation reference signal (DMRS), wherein the configuration information of the DMRS includes a transmission configuration indicator (TCI) state, and the TCI state indicates, in a same quasi-co-location info (QCL-info), a cell index and a second reference signal;
receive the DMRS and a synchronization signal/physical broadcast channel (SS/PBCH) signal in the same one or more orthogonal frequency division multiplexing (OFDM) symbols, wherein the cell index determines a first physical cell identifier (PCI), and the SS/PBCH signal indicates a second PCI that is not equal to a PCI of a serving cell of the UE;
wherein on a condition that the first PCI is equal to the second PCI, the DMRS and the SS/PBCH signal are quasi-co-located (QCL) with QCL-TypeD.
2 . The UE of claim 1 , wherein on a condition that the first PCI is not equal to the second PCI, the UE independently determines whether the DMRS and the SS/PBCH signal are quasi-co-located.
3 . The UE of claim 1 , wherein on a condition that the first PCI is not equal to the second PCI, the DMRS and the SS/PBCH signal are not quasi-co-located.
4 . The UE of claim 1 , wherein whether a first condition is satisfied is used to determine whether the DMRS and the SS/PBCH signal are quasi-co-located;
the first condition includes that there is a PCI in a PCI set equal to the second PCI;
a TCI state set is used to determine the PCI set, and the TCI state set is configurable; the TCI state belongs to the TCI state set.
5 . The UE of claim 4 , wherein the receiver is configured to receive an information block that indicates the TCI state set.
6 . The UE of claim 1 , wherein the receiver is configured to receive a second configuration information block that indicates configuration information of the SS/PBCH signal.
7 . The UE of claim 1 , wherein whether the DMRS and the SS/PBCH signal are quasi-co-located is used to determine a subcarrier spacing of the DMRS.
8 . The UE of claim 7 , wherein on a condition that the DMRS and the SS/PBCH signal are quasi-co-located, a subcarrier spacing of the DMRS is equal to a subcarrier spacing of the SS/PBCH signal.
9 . The UE of claim 1 , wherein a TCI state of the second reference signal indicates a third reference signal, and the third reference signal is quasi-co-located with the SS/PBCH signal.
10 . The UE of claim 1 , wherein the serving cell is a special cell (SpCell) or a secondary cell (SCell) of the UE; a cell identified by the second PCI is neither a SpCell of the UE nor an SCell of the UE.
11 . A method performed by a user equipment (UE), the method comprising:
receiving a first configuration information block that determines configuration information of a demodulation reference signal (DMRS), wherein the configuration information of the DMRS includes a transmission configuration indicator (TCI) state, and the TCI state indicates, in a same quasi-co-location info (QCL-info), a cell index and a second reference signal;
receiving the DMRS and a synchronization signal/physical broadcast channel (SS/PBCH) signal in the same one or more orthogonal frequency division multiplexing (OFDM) symbols, wherein the cell index determines a first physical cell identifier (PCI), and the SS/PBCH signal indicates a second PCI that is not equal to a PCI of a serving cell of the UE;
wherein on a condition that the first PCI is equal to the second PCI, the DMRS and the SS/PBCH signal are quasi-co-located (QCL) with QCL-TypeD.
12 . The method of claim 11 , wherein on a condition that the first PCI is not equal to the second PCI, the UE independently determines whether the DMRS and the SS/PBCH signal are quasi-co-located.
13 . The method of claim 11 , wherein on a condition that the first PCI is not equal to the second PCI, the DMRS and the SS/PBCH signal are not quasi-co-located.
14 . The method of claim 11 , wherein whether a first condition is satisfied is used to determine whether the DMRS and the SS/PBCH signal are quasi-co-located; the first condition includes that there is a PCI in a PCI set equal to the second PCI; a TCI state set is used to determine the PCI set, and the TCI state set is configurable; the TCI state belongs to the TCI state set.
15 . The method of claim 14 , further comprising:
receiving an information block that indicates the TCI state set.
16 . The method of claim 11 , further comprising:
receiving a second configuration information block that indicates configuration information of the SS/PBCH signal.
17 . The method of claim 11 , wherein whether the DMRS and the SS/PBCH signal are quasi-co-located is used to determine a subcarrier spacing of the DMRS.
18 . The method of claim 17 , wherein on a condition that the DMRS and the SS/PBCH signal are quasi-co-located, a subcarrier spacing of the DMRS is equal to a subcarrier spacing of the SS/PBCH signal.
19 . The method of claim 11 , wherein a TCI state of the second reference signal indicates a third reference signal, and the third reference signal is quasi-co-located with the SS/PBCH signal.
20 . The method of claim 11 , wherein the serving cell is a special cell (SpCell) or a secondary cell (SCell) of the UE; a cell identified by the second PCI is neither a SpCell of the UE nor an SCell of the UE.