# US 2024/0179633 A1 · Systems, methods, and devices for power control and beam selection in mixed traffic

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- Number: US 2024/0179633 A1
- Document ID: US20240179633A1
- Status: Published application
- Kind: A1
- Application number: 17/773,864
- Filed: 2021-08-06
- Published: 2024-05-30
- Earliest claimed: 2021-08-06
- Assignees: Apple Inc.
- Applicants: Apple Inc.
- Inventors: Yushu Zhang; Chunxuan Ye; Dawei Zhang; Haitong Sun; Hong He; Oghenekome Oteri; Sigen Ye; Wei Zeng; Weidong Yang
- Web page: https://patentgrep.com/patent/US20240179633A1

## CPC

- H04W 52/146: {Uplink power control}
- H04W 52/42: in systems with time, space, frequency or polarisation diversity
- H04W 52/365: {Power headroom reporting}
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Techniques, described herein, include solutions for enabling PC parameters and beam selection regarding mixed traffic, including a PC parameter set selection based on unified transmission configuration indicator (TCI) states, reporting power headroom (PHR) based on PC parameter sets, and beam selection based on traffic types associated with different TCI states.

## Claims

### Claim 1

A baseband processor of a user equipment (UE), comprising:
one or more processors configured to:
receive transmission configuration indicator (TCI) signaling comprising a plurality of power control (PC) parameter sets, wherein each PC parameter set, of the plurality of PC parameter sets, comprises a distinct plurality of PC parameters;
determine a PC parameter set, of the plurality of PC parameter sets, for an uplink transmission based on a condition associated with the PC parameter set; and
perform the uplink transmission in accordance with the PC parameter set.

### Claim 2 (depends on 1)

The baseband processor of claim 1, wherein more than one PC parameter set, of the plurality of PC parameter sets, are associated with a TCI state.

### Claim 3 (depends on 1)

The baseband processor of claim 1, wherein a default PC parameter set is used for uplink transmissions involving a TCI state not associated with any of the plurality of PC parameter sets.

### Claim 4 (depends on 1)

The baseband processor of claim 1, wherein the condition is associated with the PC parameter set is configured by comprises reception of a media access control (MAC) control element (CE) for TCI activation.

### Claim 5 (depends on 1)

The baseband processor of claim 1, wherein the condition comprises reception of a MAC CE indicating the PC parameter set.

### Claim 6 (depends on 1)

The baseband processor of claim 1, wherein the condition comprises use of a physical uplink control channels (PUCCH) or PUCCH group.

### Claim 7 (depends on 1)

The baseband processor of claim 1, wherein the condition comprises reception of a downlink control information (DCI) indicating the PC parameter set for uplink transmission.

### Claim at position 8

-15. (canceled)

### Claim 16

A user equipment (UE) configured to:
receive transmission configuration indicator (TCI) signaling comprising a plurality of power control (PC) parameter sets, wherein each PC parameter set, of the plurality of PC parameter sets, comprises a distinct plurality of PC parameters;
determine a PC parameter set, of the plurality of PC parameter sets, for an uplink transmission based on a condition associated with the PC parameter set; and
perform the uplink transmission in accordance with the determined PC parameter set.

### Claim at position 10

-22. (canceled)

### Claim 23 (depends on 16)

The UE of claim 16, wherein the condition comprises reception of scheduling DCI, for a physical uplink channel, indicating the PC parameter set for the uplink transmission.

### Claim 24 (depends on 16)

The UE of claim 16, wherein the condition comprises reception of group-cast DCI indicating the PC parameter set for the uplink transmission.

### Claim 25 (depends on 16)

The UE of claim 16, wherein the condition comprises reception of radio resource control (RRC) signaling indicating the PC parameter set for the uplink transmission.

### Claim 26 (depends on 16)

The UE of claim 16, wherein the condition comprises providing a virtual power headroom (PHR) report via the uplink transmission.

### Claim 27 (depends on 26)

The UE of claim 26, wherein the PHR report is based on unified TCI states configured by higher layer signaling.

### Claim at position 16

-30. (canceled)

### Claim 31

A method performed by a user equipment (UE), the method comprising:
receiving transmission configuration indicator (TCI) signaling comprising a plurality of power control (PC) parameter sets, wherein each PC parameter set, of the plurality of PC parameter sets, comprises a distinct plurality of PC parameters;
determining a PC parameter set, of the plurality of PC parameter sets, for an uplink transmission based on a condition associated with the PC parameter set; and
performing the uplink transmission in accordance with the determined PC parameter set.

### Claim 32 (depends on 31)

The method of claim 31, wherein more than one PC parameter set, of the plurality of PC parameter sets, are associated with a TCI state.

### Claim 33 (depends on 31)

The method of claim 31, wherein a default PC parameter set is used for uplink transmissions involving a TCI state not associated with any of the plurality of PC parameter sets.

### Claim 34 (depends on 31)

The method of claim 31, wherein the condition is associated with the PC parameter set is configured by comprises reception of a media access control (MAC) control element (CE) for TCI activation.

### Claim at position 21

-42. (canceled)

### Claim 43 (depends on 31)

The method of claim 31, wherein the condition comprises a traffic type associated with a TCI state of the uplink transmission, and the TCI state is associated with the PC parameter set.

### Claim 44 (depends on 43)

The method of claim 43, wherein the traffic type comprises enhanced mobile broadband (eMBB) traffic associated with the TCI state via DCI.

### Claim 45 (depends on 43)

The method of claim 43, wherein the traffic type comprises ultra-reliable low-latency communication (URLLC) traffic and URLLC is associated with the TCI state via DCI.
