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US 10,708,028 B2Granted
Method and apparatus for reference signals in wireless system
AssigneeSamsung Electronics Co., Ltd.
InventorsYoung-Han Nam, Hao Chen, Boon Loong Ng, Vikram Chandrasekhar
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Abstract
A method of user equipment (UE) is provided. The method comprises receiving, from a base station (BS), configuration information indicating one or more of first sets of CSI-RS configuration parameters; determining channel state information-reference signal (CSI-RS) resources per frequency in a wireless communication system including a plurality of cells; and determining the first sets of CSI-RS configuration parameters for the cells, respectively, each of the first sets of CSI-RS configuration parameters including a physical cell identifier for the respective cell.
Claims18
A user equipment (UE) comprising:
- a transceiver configured to receive, from a base station (BS), channel state information reference signal (CSI-RS) configuration information comprising a physical cell identifier (PCID) of a cell, a CSI-RS subcarrier spacing, a measurement bandwidth for CSI-RSs, a density of the CSI-RSs, and a plurality of CSI-RS resource configurations for the CSI-RSs;
- and
- a processor operably connected to the transceiver, the processor configured to:
- determine whether the CSI-RS configuration information includes a synchronization signal (SS) block index associated with a CSI-RS resource configuration among the plurality of CSI-RS resource configurations,
- based on determining that the CSI-RS configuration information includes the SS block index associated with the CSI-RS resource configuration, identify that a timing of a CSI-RS indicated by the CSI-RS resource configuration is based on a timing of a cell corresponding to the SS block index, and
- perform a measurement on the CSI-RSs including on the CSI-RS based on the identified timing of the CSI-RS;
- and
- wherein the transceiver is configured to transmit measurement information obtained based on the measurement, and
- wherein the CSI-RS resource configuration includes slot configuration information for the CSI-RS configured by the CSI-RS resource configuration, a scrambling ID for the CSI-RS, quasi co-location (QCL) information for the CSI-RS, and time-frequency resource information for the CSI-RS.
6 more elements
A base station (BS) comprising:
- a processor configured to generate channel state information-reference signal (CSI-RS) configuration information comprising a physical cell identifier (PCID) of a cell, a CSI-RS subcarrier spacing, a measurement bandwidth for CSI-RSs for, a density of the CSI-RSs, a plurality of CSI-RS resource configurations for the CSI-RSs, and a synchronization signal (SS) block index associated with a CSI-RS resource configuration among the plurality of CSI-RS resource configurations, wherein inclusion of the SS block index associated with the CSI-RS resource configuration in the CSI-RS configuration information indicates that a timing of a CSI-RS indicated by the CSI-RS resource configuration is based on a timing of a cell;
- and
- a transceiver operably connected to the processor, the transceiver configured to:
- transmit, to a user equipment (UE), the CSI-RS configuration information;
- and
- receive measurement information obtained based on measurement of the CSI-RS s including on the CSI-RS based on the indicated timing of the CSI-RS,
- wherein the CSI-RS resource configuration includes slot configuration information for the CSI-RS configured by the CSI-RS resource configuration, a scrambling ID for the CSI-RS, quasi co-location (QCL) information for the CSI-RS, and time-frequency resource information for the CSI-RS.
4 more elements
A method of a user equipment (UE), the method comprising:
- receiving, from a base station (BS), channel state information reference signal (CSI-RS) configuration information comprising a physical cell identifier (PCID) of a cell, a CSI-RS subcarrier spacing, a measurement bandwidth for CSI-RSs, a density of the CSI-RSs, and a plurality of CSI-RS resource configurations for the CSI-RSs;
- determining whether the CSI-RS configuration information includes a synchronization signal (SS) block index associated with a CSI-RS resource configuration among the plurality of CSI-RS resource configurations,
- based on determining that the CSI-RS configuration information includes the SS block index associated with the CSI-RS resource configuration, identifying that a timing of a CSI-RS indicated by the CSI-RS resource configuration is based on a timing of a cell corresponding to the SS block index, and
- performing a measurement on the CSI-RSs including on the CSI-RS based on the identified timing of the CSI-RS;
- and
- transmitting measurement information obtained based on the measurement,
- wherein the CSI-RS resource configuration includes slot configuration information for the CSI-RS configured by the CSI-RS resource configuration, a scrambling ID for the CSI-RS, quasi co-location (QCL) information for the CSI-RS, and time-frequency resource information for the CSI-RS.
4 more elements
Dependencies are inferred from the claim text.