Techniques for beam switching in wireless communications
AssigneeQUALCOMM Incorporated
InventorsJun Zhu, Yongle Wu, Raghu Narayan Challa, Brian Clarke Banister
Life of this patent
Estimating the term…
Abstract
Methods, systems, and devices for wireless communications are described in which a user equipment (UE) may identify one or more candidate beams that have a better channel metric than a serving beam. The UE may initiate a beam switch measurement counter, and perform one or more measurements on the identified candidate beams. In the event that one of the candidate beams is better than the serving beam for each measurement of the one or more measurements, the UE may perform a beam switch procedure to switch from the serving beam to the candidate beam.
Claims30
A method for wireless communication at a user equipment (UE), comprising:
- identifying, at the UE, a beam metric of a serving beam;
- determining, at the UE, that one or more stored beam metrics of one or more candidate beams exceeds the beam metric of the serving beam at the UE, the one or more stored beam metrics stored before the identification of the beam metric of the serving beam;
- initiating, at the UE, a beam switch measurement counter based at least in part on the determination, wherein the beam switch measurement counter is associated with a measurement count threshold;
- measuring, responsive to the determination, one or more beam metrics at the UE, based at least in part on the measurement count threshold, for each of the one or more candidate beams;
- and
- selecting, at the UE, the serving beam or a first candidate beam of the one or more candidate beams to use for communications based at least in part on the measuring.
An apparatus for wireless communication at a user equipment (UE), comprising:
- a processor,
- memory coupled with the processor;
- and
- instructions stored in the memory and executable by the processor to cause the apparatus to:
- identify, at the UE, a beam metric of a serving beam;
- determine, at the UE, one or more stored beam metrics of one or more candidate beams exceeds the beam metric of the serving beam at the UE, the one or more stored beam metrics stored before the identification of the beam metric of the serving beam;
- initiate, at the UE, a beam switch measurement counter based at least in part on the determination, wherein the beam switch measurement counter is associated with a measurement count threshold;
- measure, responsive to the determination, one or more beam metrics at the UE, based at least in part on the measurement count threshold, for each of the one or more candidate beams;
- and
- select, at the UE, the serving beam or a first candidate beam of the one or more candidate beams to use for communications based at least in part on the measuring.
An apparatus for wireless communication at a user equipment (UE), comprising:
- means for identifying, at the UE, a beam metric of a serving beam;
- means for determining, at the UE, that one or more stored beam metrics of one or more candidate beams exceeds the beam metric of the serving beam at the UE, the one or more stored beam metrics stored before the identification of the beam metric of the serving beam;
- means for initiating, at the UE, a beam switch measurement counter based at least in part on the determination, wherein the beam switch measurement counter is associated with a measurement count threshold;
- means for measuring, responsive to the determination, one or more beam metrics at the UE, based at least in part on the measurement count threshold, for each of the one or more candidate beams;
- and
- means for selecting, at the UE, the serving beam or a first candidate beam of the one or more candidate beams to use for communications based at least in part on the measuring.
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, at the UE, a beam metric of a serving beam;
- determine, at the UE, that one or more stored beam metrics of one or more candidate beams exceeds the beam metric of the serving beam at the UE, the one or more stored beam metrics stored before the identification of the beam metric of the serving beam;
- initiate, at the UE, a beam switch measurement counter based at least in part on the determination, wherein the beam switch measurement counter is associated with a measurement count threshold;
- measure, responsive to the determination, one or more beam metrics at the UE, based at least in part on the measurement count threshold, for each of the one or more candidate beams;
- and
- select, at the UE, the serving beam or a first candidate beam of the one or more candidate beams to use for communications based at least in part on the measuring.
Dependencies are inferred from the claim text.