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US 11,115,165 B2Granted
Method and apparatus for multiple transmit/receive point (TRP) operations
AssigneeFG Innovation Company Limited
InventorsTsung-Hua Tsai, Chie-Ming Chou
Life of this patent
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Abstract
A method includes receiving, by a User Equipment (UE), Transmission Configuration Indicator (TCI) state data in a Physical Download Control Channel (PDCCH) determining multiple Physical Downlink Shared Channels (PDSCHs), where the TCI state data is associated with multiple Demodulation Reference Signal (DMRS) port groups, and obtaining, by the UE, multiple Quasi Co-Location (QCL) assumptions for receiving the PDSCHs based on the DMRS port groups associated with the TCI state data.
Claims12
A user equipment (UE) comprising:
- one or more non-transitory computer-readable media having computer-executable instructions embodied thereon;
- and
- at least one processor coupled to the one or more non-transitory computer-readable media, and configured to execute the computer-executable instructions to:
- receive, in a Physical Download Control Channel (PDCCH), Transmission Configuration Indicator (TCI) state data for determining a plurality of Physical Downlink Shared Channels (PDSCHs), the TCI state data being associated with a plurality of Demodulation Reference Signal (DMRS) port groups;
- and
- obtain a plurality of Quasi Co-Location (QCL) assumptions for receiving the plurality of PDSCHs based on the plurality of DMRS port groups associated with the TCI state data, wherein:
- each of the plurality of QCL assumptions corresponds to one of the plurality of DMRS port groups,
- the TCI state data corresponds to a TCI state configuration that includes a plurality of QCL Reference Signal (RS) sets, and
- each of the plurality of QCL RS sets corresponds to one of the plurality of DMRS port groups.
6 more elements
A method of wireless communications by a user equipment (UE), the method comprising:
- receiving, in a Physical Download Control Channel (PDCCH) Transmission Configuration Indicator (TCI) state data for determining a plurality of Physical Downlink Shared Channels (PDSCHs), the TCI state data being associated with a plurality of Demodulation Reference Signal (DMRS) port groups;
- and
- obtaining a plurality of Quasi Co-Location (QCL) assumptions for receiving the plurality of PDSCHs based on the plurality of DMRS port groups associated with the TCI state data, wherein:
- each of the plurality of QCL assumptions corresponds to one of the plurality of DMRS port groups,
- the TCI state data corresponds to a TCI state configuration that includes a plurality of QCL Reference Signal (RS) sets, and
- each of the plurality of QCL RS sets corresponds to one of the plurality of DMRS port groups.
3 more elements
Dependencies are inferred from the claim text.