Beam management using synchronization signals through channel feedback framework

A method for wireless communication at a base station, comprising:

• configuring, for a user equipment (UE), a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by the base station using a first set of transmission beams;
• receiving, from the UE, a first resource indicator of at least one of the plurality of SS blocks;
• determining a characteristic of a transmission beam for a data or control transmission to the UE based at least in part on the first resource indicator;
• configuring, for the UE, a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the second reporting configuration identify a set of resources associated with a CSI reference signal (CSI-RS) transmitted by the base station using a second set of transmission beams;
• and
• receiving, from the UE, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources, wherein the determining the characteristic of the transmission beam is based at least in part on the at least one channel metric.

An apparatus for wireless communication at a user equipment (UE), comprising:

• a processor,
• memory in electronic communication with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• identify a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by a base station using a first set of transmission beams;
• perform first channel measurements for the plurality of SS blocks;
• report, to the base station, a first resource indicator for at least one of the plurality of SS blocks based at least in part on the first channel measurements;
• obtain a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the second reporting configuration identify a set of resources associated with a CSI reference signal (CSI-RS) transmitted by the base station using a second set of transmission beams;
• perform second channel measurements for the CSI-RS;
• and
• report according to the second reporting configuration, to the base station based at least in part on the second channel measurements, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources.

An apparatus for wireless communication at a base station, comprising:

• a processor,
• memory in electronic communication with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• configure, for a user equipment (UE), a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by the base station using a first set of transmission beams;
• receive, from the UE, a first resource indicator of at least one of the plurality of SS blocks;
• determine a characteristic of a transmission beam for a data or control transmission to the UE based at least in part on the first resource indicator;
• configure, for the UE, a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the second reporting configuration identify a set of resources associated with a CSI reference signal (CSI-RS) transmitted by the base station using a second set of transmission beams;
• and
• receive, from the UE, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources, wherein the determining the characteristic of the transmission beam is based at least in part on the at least one channel metric.

An apparatus for wireless communication at a user equipment (UE), comprising:

• means for identifying a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by a base station using a first set of transmission beams;
• means for performing first channel measurements for the plurality of SS blocks;
• means for reporting, to the base station, a first resource indicator for at least one of the plurality of SS blocks based at least in part on the first channel measurements;
• means for obtaining a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the
• second reporting configuration identify a set of resources associated with a CSI reference signal
• (CSI-RS1 transmitted by the base station using a second set of transmission beams;
• means for performing second channel measurements for the CSI-RS;
• and
• means for reporting according to the second reporting configuration, to the base station based at least in part on the second channel measurements, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources.

An apparatus for wireless communication at a base station, comprising:

• means for configuring, for a user equipment (UE), a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by the base station using a first set of transmission beams;
• means for receiving, from the UE, a first resource indicator of at least one of the plurality of SS blocks;
• means for determining a characteristic of a transmission beam for a data or control transmission to the UE based at least in part on the first resource indicator;
• means for configuring, for the UE, a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the second reporting configuration identify a set of resources associated with a CSI reference signal (CSI-RS) transmitted by the base station using a second set of transmission beams;
• and
• means for receiving, from the UE, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources, wherein the determining the characteristic of the transmission beam is based at least in part on the at least one channel metric.

A non-transitory computer-readable medium storing code for wireless communication at a user equipment (UE), the code comprising instructions executable by a processor to:

• identify a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by a base station using a first set of transmission beams;
• perform first channel measurements for the plurality of SS blocks;
• report, to the base station, a first resource indicator for at least one of the plurality of SS blocks based at least in part on the first channel measurements;
• obtain a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the second reporting configuration identify a set of resources associated with a CSI reference signal (CSI-RS) transmitted by the base station using a second set of transmission beams;
• perform second channel measurements for the CSI-RS;
• and
• report according to the second reporting configuration, to the base station based at least in part on the second channel measurements, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources.

A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to:

• configure, for a user equipment (UE), a first feedback resource set and a first reporting configuration according to a channel state information (CSI) framework that indicates a plurality of synchronization signal (SS) blocks of an SS burst transmitted by the base station using a first set of transmission beams;
• receive, from the UE, a first resource indicator of at least one of the plurality of SS blocks;
• determine a characteristic of a transmission beam for a data or control transmission to the UE based at least in part on the first resource indicator;
• configure, for the UE, a second feedback resource set and a second reporting configuration according to the CSI framework, wherein the second feedback resource set and the second reporting configuration identify a set of resources associated with a CSI reference signal (CSI-RS) transmitted by the base station using a second set of transmission beams;
• and
• receive, from the UE, at least one channel metric for at least one of the set of resources associated with the CSI-RS and a second resource indicator of the at least one of the set of resources, wherein the determining the characteristic of the transmission beam is based at least in part on the at least one channel metric.