# US 12,016,006 B2 · Beam report triggers autonomous beam hopping

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- Number: US 12,016,006 B2
- Document ID: US12016006B2
- Status: Granted
- Kind: B2
- Application number: 17/479,713
- Filed: 2021-09-20
- Published: 2023-03-23
- Granted: 2024-06-18
- Earliest claimed: 2021-09-20
- Assignees: QUALCOMM Incorporated
- Applicants: QUALCOMM Incorporated
- Inventors: Tianyang Bai; Konstantinos Dimou; Yan Zhou; Junyi Li; Tao Luo
- Web page: https://patentgrep.com/patent/US12016006B2

## CPC

- H04B 7/0695: {using beam selection}
- H04W 72/046: {the resource being in the space domain, e.g. beams}
- H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]}
- H04B 7/0689: {using different transmission schemes, at least one of them being a diversity transmission scheme}
- H04B 7/088: {using beam selection}
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04L 5/0023: {Time-frequency-space}
- H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04B: TRANSMISSION
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

Method and apparatus for a beam report triggering autonomous beam mode selection. The apparatus measures an RSRP of a current beam and at least one beam. The apparatus selects a beam mode for communication with the base station based on the RSRP report of the current beam and the at least one beam. The apparatus provides, to a base station, an RSRP report of the current beam and the at least one beam. The apparatus communicates with the base station based on a selected beam mode. The apparatus may maintain communication with the current beam. The apparatus may enable a beam hopping mode for communication with the base station. The apparatus may switch to a different beam for communication with the base station, wherein the different beam comprises a beam from the at least one beam.

## Claims

### Claim 1

An apparatus for wireless communication at a user equipment (UE), comprising:
a memory; and
at least one processor coupled to the memory and configured to:
measure a reference signal received power (RSRP) of a current beam and at least one beam;
select a beam mode for communication with a base station based on an RSRP report of the current beam and the at least one beam;
provide, to the base station, the RSRP report of the current beam and the at least one beam, wherein the RSRP report comprises an indication indicating the beam mode selected by the UE; and
communicate with the base station based on a selected beam mode.

### Claim 2 (depends on 1)

The apparatus of claim 1, further comprising a transceiver coupled to the at least one processor.

### Claim 3 (depends on 1)

The apparatus of claim 1, wherein the beam mode comprises at least one of maintain the communication with the current beam, switch to a different beam, or enable a beam hopping mode.

### Claim 4 (depends on 1)

The apparatus of claim 1, wherein the at least one processor is further configured to:
receive, from the base station, an indication that acknowledges receipt of the RSRP report or comprises the beam mode selected by the base station, wherein the communication between the UE and the base station is based on the beam mode selected by the base station.

### Claim 5 (depends on 3)

The apparatus of claim 3, wherein the at least one processor is further configured to:
maintain the communication with the current beam.

### Claim 6 (depends on 5)

The apparatus of claim 5, wherein the communication is maintained with the current beam if none of the at least one beam has an RSRP that is greater than a first threshold in comparison to the RSRP of the current beam, or if the current beam has an RSRP that is greater than a second threshold.

### Claim 7 (depends on 3)

The apparatus of claim 3, wherein the at least one processor is further configured to:
enable the beam hopping mode for the communication with the base station.

### Claim 8 (depends on 7)

The apparatus of claim 7, wherein the beam hopping mode comprises beam hopping plus repetition, wherein the repetition is pre-configured or based on the RSRP report.

### Claim 9 (depends on 7)

The apparatus of claim 7, wherein the beam hopping mode is enabled if the RSRP of the current beam is less than a third threshold, and none of the at least one beam has an RSRP that is greater than a first threshold in comparison to the RSRP of the current beam.

### Claim 10 (depends on 7)

The apparatus of claim 7, wherein the beam hopping mode comprises the current beam and a subset of beams of the at least one beam.

### Claim 11 (depends on 7)

The apparatus of claim 7, wherein the beam hopping mode comprises a subset of beams of the at least one beam and excludes the current beam.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein a resource originally scheduled is skipped or is monitored using a different beam from the subset of beams when the beam hopping mode is enabled.

### Claim 13 (depends on 3)

The apparatus of claim 3, wherein the at least one processor is further configured to:
switch to the different beam for the communication with the base station, wherein the different beam comprises a beam from the at least one beam.

### Claim 14

A method of wireless communication at a user equipment (UE), comprising:
measuring a reference signal received power (RSRP) of a current beam and at least one beam;
selecting a beam mode for communication with a base station based on an RSRP report of the current beam and the at least one beam;
providing, to the base station, the RSRP report of the current beam and the at least one beam, wherein the RSRP report comprises an indication indicating the beam mode selected by the UE; and
communicating with the base station based on a selected beam mode.

### Claim 15

An apparatus for wireless communication at a base station, comprising:
a memory; and
at least one processor coupled to the memory and configured to:
receive, from a user equipment (UE), a reference signal received power (RSRP) report of a current beam and at least one beam, wherein the RSRP report comprises an indication indicating a beam mode selected by the UE;
select the beam mode for communication with the UE based on the RSRP report of the current beam and the at least one beam; and
communicate with the UE based on a selected beam mode.

### Claim 16 (depends on 15)

The apparatus of claim 15, further comprising a transceiver coupled to the at least one processor.

### Claim 17 (depends on 15)

The apparatus of claim 15, wherein the beam mode comprises at least one of maintain the communication with the current beam, switch to a different beam, or enable a beam hopping mode.

### Claim 18 (depends on 15)

The apparatus of claim 15, wherein the at least one processor is further configured to:
transmit, to the UE, an indication that acknowledges receipt of the RSRP report or comprises the beam mode selected by the base station, wherein the communication between the UE and the base station is based on the beam mode selected by the base station.

### Claim 19 (depends on 17)

The apparatus of claim 17, wherein the at least one processor is further configured to:
maintain the communication with the current beam of the UE.

### Claim 20 (depends on 19)

The apparatus of claim 19, wherein the communication is maintained with the current beam if none of the at least one beam has an RSRP that is greater than a first threshold in comparison to the RSRP of the current beam, or if the current beam has an RSRP that is greater than a second threshold.

### Claim 21 (depends on 17)

The apparatus of claim 17, wherein the at least one processor is further configured to:
enable the beam hopping mode for the communication with the UE.

### Claim 22 (depends on 21)

The apparatus of claim 21, wherein the beam hopping mode comprises beam hopping plus repetition, wherein the repetition is pre-configured or based on the RSRP report.

### Claim 23 (depends on 21)

The apparatus of claim 21, wherein the beam hopping mode is enabled if the RSRP of the current beam of the UE is less than a third threshold, and none of the at least one beam has an RSRP that is greater than a first threshold in comparison to the RSRP of the current beam.

### Claim 24 (depends on 21)

The apparatus of claim 21, wherein the beam hopping mode comprises the current beam of the UE and a subset of beams of the at least one beam.

### Claim 25 (depends on 21)

The apparatus of claim 21, wherein the beam hopping mode comprises a subset of beams of the at least one beam and excludes the current beam of the UE.

### Claim 26 (depends on 25)

The apparatus of claim 25, wherein a resource originally scheduled by the base station is skipped by the UE or is monitored by the UE using a different beam from the subset of beams when the beam hopping mode is enabled.

### Claim 27 (depends on 17)

The apparatus of claim 17, wherein the at least one processor is further configured to:
switch to the different beam for the communication with the UE, wherein the different beam corresponds to a beam from the at least one beam indicated in the RSRP report.

### Claim 28

A method of wireless communication at a base station, comprising:
receiving, from a user equipment (UE), a reference signal received power (RSRP) report of a current beam and at least one beam, wherein the RSRP report comprises an indication indicating a beam mode selected by the UE;
selecting the beam mode for communication with the UE based on the RSRP report of the current beam and the at least one beam; and
communicating with the UE based on a selected beam mode.
