System and method for coordinated transmissions and feedback
A user equipment (UE) may measure reference signals (RSs) that are transmitted on one or more RS resources, whereby generating a RS measurement. The UE may determine, based on the RS measurement and a reporting rule, a RS resource of the one or more RS resources as a first type of resource of a plurality types of resources, and based thereon, generates a channel state information (CSI) report indicating the RS resource determined as the first type of resource, and reports the CSI report.
1 . A method comprising:
receiving, by a user equipment (UE), reference signals (RSs) on one or more RS resources, a first RS resource of the one or more RS resources being configured for a first plurality of types of CSI measurement;
performing, by the UE, one or more RS measurements on the RSs received on the one or more RS resources;
generating, by the UE based on the one or more RS measurements and a first reporting rule, a first CSI report, wherein the first CSI report is generated with the first RS resource used by the UE for a first type of CSI measurement of the first plurality of types of CSI measurement;
generating, by the UE based on the one or more RS measurements and the first reporting rule, a second COI value for the first CSI report, wherein the second COI value is generated with the first RS resource used by the UE as a second type of CSI measurement of the first plurality of types of CSI measurement; and
reporting, by the UE, the first CSI report.
2 . The method of claim 1 , wherein the first CSI report comprises a first channel quality indicator (CQI) value derived based on the first RS resource used by the UE for the first type of CSI measurement.
3 . The method of claim 1 , wherein the one or more RS resources comprise one or more ports, and each RS resource of the one or more RS resources comprises at least one RS port of the one or more ports.
4 . The method of claim 1 , wherein the one or more RS resources are one or more non-zero power channel state information-reference signal (NZP CSI-RS) resources configured as a NZP CSI-RS resource set.
5 . The method of claim 1 , wherein the first plurality of types of CSI measurement comprises a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
6 . The method of claim 1 , wherein the first type of CSI measurement is a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
7 . The method of claim 1 , wherein the one or more RS resources and the first reporting rule are associated with a CSI report configuration.
8 . The method of claim 1 , wherein the first reporting rule specifies an efficiency requirement, a CQI requirement, a signal to noise ratio (SNR) requirement, a signal to interference and noise ratio (SINR) requirement, or a rank requirement, based on which the UE determines whether an RS resource is used for one or more of the first plurality of types of CSI measurement.
9 . An apparatus comprising:
a non-transitory memory storage comprising instructions; and
one or more processors in communication with the non-transitory memory storage, wherein the instructions, when executed by the one or more processors, cause the apparatus to perform:
receiving reference signals (RSs) on one or more RS resources, a first RS resource of the one or more RS resources being configured for a first plurality of types of CSI measurement;
performing one or more RS measurements on the RSs received on the one or more RS resources;
generating, based on the one or more RS measurements and a first reporting rule, a first CSI report, wherein the first CSI report is generated with the first RS resource used by the apparatus for a first type of CSI measurement of the first plurality of types of CSI measurement;
generating, based on the one or more RS measurements and the first reporting rule, a second CQI value for the first CSI report, wherein the second CQI value is generated with the first RS resource used as a second type of CSI measurement of the first plurality of types of CSI measurement; and
reporting the first CSI report.
10 . The apparatus of claim 9 , wherein the first CSI report comprises a first channel quality indicator (CQI) value derived based on the first RS resource that is used by the apparatus for the first type of CSI measurement.
11 . The apparatus of claim 9 , wherein the one or more RS resources comprise one or more ports, and each RS resource of the one or more RS resources comprises at least one RS port of the one or more ports.
12 . The apparatus of claim 9 , wherein the one or more RS resources are one or more non-zero power channel state information-reference signal (NZP CSI-RS) resources configured as a NZP CSI-RS resource set.
13 . The apparatus of claim 9 , wherein the first plurality of types of CSI measurement comprises a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
14 . The apparatus of claim 9 , wherein the first type of CSI measurement is a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
15 . The apparatus of claim 9 , wherein the one or more RS resources and the first reporting rule are associated with a CSI report configuration.
16 . The apparatus of claim 9 , wherein the first reporting rule specifies an efficiency requirement, a CQI requirement, a signal to noise ratio (SNR) requirement, a signal to interference and noise ratio (SINR) requirement, or a rank requirement, based on which the apparatus determines whether an RS resource is used for one or more of the first plurality of types of CSI measurement.
17 . A method comprising:
configuring, by a base station (BS), one or more RS resources for a user equipment (UE), a first RS resource of the one or more RS resources being configured for a first plurality of types of CSI measurement;
transmitting, by the BS to the UE, reference signals (RSs) on the one or more RS resources; and
receiving, by the BS from the UE in response to transmitting the RSs, a channel state information (CSI) report, the CSI report being based on the RSs transmitted to the UE on the one or more RS resources and a first reporting rule configured by the BS for the CSI report, and the CSI report comprising a first channel quality indicator (CQI) value corresponding to the first RS resource as a resource for a first type of CSI measurement, wherein the CSI report further comprises a second CQI value corresponding to the first RS resource as a resource for a second type of CSI measurement of the first plurality of types of CSI measurement.
18 . The method of claim 17 , wherein the one or more RS resources comprise one or more ports, and each RS resource of the one or more RS resources comprises at least one RS port of the one or more ports.
19 . The method of claim 17 , wherein the one or more RS resources are one or more non-zero power channel state information-reference signal (NZP CSI-RS) resources configured as a NZP CSI-RS resource set.
20 . The method of claim 17 , wherein the first plurality of types of CSI measurement comprises a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
21 . The method of claim 17 , wherein the first type of CSI measurement is a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
22 . The method of claim 17 , wherein the first reporting rule specifies an efficiency requirement, a CQI requirement, a signal to noise ratio (SNR) requirement, a signal to interference and noise ratio (SINR) requirement, or a rank requirement, and enables the UE to determine whether an RS resource is used for one or more of the first plurality of types of CSI measurement.
23 . An apparatus comprising:
a non-transitory memory storage comprising instructions; and
one or more processors in communication with the non-transitory memory storage, wherein the instructions, when executed by the one or more processors, cause the apparatus to perform:
configuring one or more RS resources for a user equipment (UE), a first RS resource of the one or more RS resources being configured for a first plurality of types of CSI measurement;
transmitting, to the UE, reference signals (RSs) on the one or more RS resources; and
receiving, from the UE in response to transmitting the RSs, a channel state information (CSI) report, the CSI report being based on the RSs transmitted to the UE on the one or more RS resources and a first reporting rule configured by the apparatus for the CSI report, and the CSI report comprising a first channel quality indicator (CQI) value corresponding to the first RS resource as a resource for a first type of CSI measurement, wherein the CSI report further comprises a second COI value corresponding to the first RS resource as a resource for a second type of CSI measurement of the first plurality of types of CSI measurement.
24 . The apparatus of claim 23 , wherein the one or more RS resources comprise one or more ports, and each RS resource of the one or more RS resources comprises at least one RS port of the one or more ports.
25 . The apparatus of claim 23 , wherein the one or more RS resources are one or more non-zero power channel state information-reference signal (NZP CSI-RS) resources configured as a NZP CSI-RS resource set.
26 . The apparatus of claim 23 , wherein the first plurality of types of CSI measurement comprises a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.
27 . The apparatus of claim 23 , wherein the first type of CSI measurement is a type for channel measurement associated with a first transmission hypothesis/scheme, a type for channel measurement associated with a second transmission hypothesis/scheme, a type for interference measurement, or a type for muting.