# US 2025/0159634 A1 · Methods For Dual TCI State Switch

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2025/0159634 A1
- Document ID: US20250159634A1
- Status: Published application
- Kind: A1
- Application number: 18/909,163
- Filed: 2024-10-08
- Published: 2025-05-15
- Earliest claimed: 2023-11-13
- Assignees: Nokia Technologies Oy
- Applicants: Nokia Technologies Oy
- Inventors: Riikka Karoliina DIMNIK; Rafael CAUDURO DIAS DE PAIVA
- Web page: https://patentgrep.com/patent/US20250159634A1

## CPC

- H04L 5/0035: {Resource allocation in a cooperative multipoint environment}
- H04W 56/0045: {compensating for timing error by altering transmission time}
- 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 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals}
- H04L 5/0096: {Indication of changes in allocation}
- H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal}
- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A method includes: receiving one or more medium-access-control control-elements for one or more transmission configuration indicator state activations, wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicator states are activated with the one or more medium-access-control control-elements; and determining in which order the individual transmission configuration indicators states are activated.

## Claims

### Claim 1

An apparatus, comprising:
at least one processor; and
at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to:
receive one or more medium-access-control control-elements for one or more transmission configuration indicator state activations,
wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicator states are activated with the one or more medium-access-control control-elements; and
determine in which order the individual transmission configuration indicators states are activated.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein the determining of the order comprises:
determining a transmission configuration indicator state to activate first, based on a periodicity of a synchronization signal block associated to the transmission configuration indicator state and/or a status of the transmission configuration indicator state.

### Claim 3 (depends on 2)

The apparatus of claim 2, wherein when determining the transmission configuration indicator state to activate first, the instructions, when executed by the at least one processor, cause the apparatus at least to:
determine to activate a first transmission configuration indicator state first, in response to a periodicity of a first synchronization signal block associated to the first transmission configuration indicator state being longer than a periodicity of a second synchronization signal block associated to a second transmission configuration indicator state.

### Claim 4 (depends on 3)

The apparatus of claim 3, wherein the first transmission configuration indicator state is known and the second transmission configuration indicator state is known.

### Claim 5 (depends on 1)

The apparatus of claim 1, wherein the determining of the order comprises:
determining to activate first a transmission configuration indicator state that is associated with a synchronization signal block that comes first in time after decoding the one or more medium-access-control control-elements.

### Claim 6 (depends on 5)

The apparatus of claim 5, wherein the synchronization signal block associated with the transmission configuration indicator state that is activated first is adjacent to another synchronization signal block associated with another transmission configuration indicator state that is not activated first.

### Claim 7 (depends on 1)

The apparatus of claim 1, wherein the determining of the order comprises:
determining to activate first a first transmission configuration indicator state that is known rather than a second transmission configuration indicator state that is unknown.

### Claim 8 (depends on 1)

The apparatus of claim 1, wherein one of the transmission configuration indicator states is activated based on a decoding of the one or more medium-access-control control-elements.

### Claim 9 (depends on 1)

The apparatus of claim 1, wherein the instructions, when executed by the at least one processor, cause the apparatus at least to:
determine a requirement for a transmission configuration indicator state switch delay, based on the synchronization signal blocks of associated transmission configuration indicator states being overlapping or adjacent, in response to receipt of the one or more medium-access-control control-elements.

### Claim 10 (depends on 9)

The apparatus of claim 9, wherein the order in which the individual transmission configuration indicator states are activated is determined during the transmission configuration indicator state switch delay.

### Claim 11

An apparatus, comprising:
at least one processor; and
at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to:
transmit, to a user equipment, one or more medium-access-control control-elements for one or more transmission configuration indicator state activations,
wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicators states are activated with the one or more medium-access-control control-elements; and
determine in which order the individual transmission configuration indicator states are activated.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein the determining of the order comprises:
determining that a transmission configuration indicator state is activated first, based on a periodicity of a synchronization signal block associated to the transmission configuration indicator state and/or a status of the transmission configuration indicator state.

### Claim 13 (depends on 12)

The apparatus of claim 12, wherein the determining that a transmission configuration indicator state is activated first comprises:
determining that a first transmission configuration indicator state is activated first, when a periodicity of a first synchronization signal block associated to the first transmission configuration indicator state is longer than a periodicity of a second synchronization signal block associated to a second transmission configuration indicator state.

### Claim 14 (depends on 13)

The apparatus of claim 13, wherein the first transmission configuration indicator state is known and the second transmission configuration indicator state is known.

### Claim 15 (depends on 11)

The apparatus of claim 11, wherein the determining of the order comprises:
determining that a transmission configuration indicator state that is associated with a synchronization signal block that comes first in time after a decoding of the one or more medium-access-control control-elements is activated first.

### Claim 16 (depends on 15)

The apparatus of claim 15, wherein the synchronization signal block associated with the transmission configuration indicator state that is activated first is adjacent to another synchronization signal block associated with another transmission configuration indicator state that is not activated first.

### Claim 17 (depends on 11)

The apparatus of claim 11, wherein the determining of the order comprises:
determining that a first transmission configuration indicator state that is known is activated first rather than a second transmission configuration indicator state that is unknown.

### Claim 18 (depends on 11)

The apparatus of claim 11, wherein the one or more medium-access-control control-elements causes the user equipment to activate one of the individual transmission configuration indicator states.

### Claim 19 (depends on 11)

The apparatus of claim 11, wherein the instructions, when executed by the at least one processor, cause the apparatus at least to:
determine a requirement for a transmission configuration indicator state switch delay, based on the synchronization signal blocks of associated transmission configuration indicator states being overlapping or adjacent, in response to transmission of the one or more medium-access-control control-elements.

### Claim 20 (depends on 19)

The apparatus of claim 19, wherein the order in which the individual transmission configuration indicator states are activated is determined during the transmission configuration indicator state switch delay.

### Claim 21

A method, comprising:
receiving one or more medium-access-control control-elements for one or more transmission configuration indicator state activations,
wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicator states are activated with the one or more medium-access-control control-elements; and
determining in which order the individual transmission configuration indicators states are activated.

### Claim 22

A method, comprising:
transmitting, to a user equipment, one or more medium-access-control control-elements for one or more transmission configuration indicator state activations,
wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicators states are activated with the one or more medium-access-control control-elements; and
determining in which order the individual transmission configuration indicator states are activated.

### Claim 23

A non-transitory computer readable medium comprising instructions stored thereon for performing at least the following:
receiving one or more medium-access-control control-elements for one or more transmission configuration indicator state activations,
wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicator states are activated with the one or more medium-access-control control-elements; and
determining in which order the individual transmission configuration indicators states are activated.

### Claim 24

A non-transitory computer readable medium comprising instructions stored thereon for performing at least the following:
transmitting, to a user equipment, one or more medium-access-control control-elements for one or more transmission configuration indicator state activations,
wherein synchronization signal blocks of associated transmission configuration indicator states are overlapping or adjacent, and wherein the transmission configuration indicators states are activated with the one or more medium-access-control control-elements; and
determining in which order the individual transmission configuration indicator states are activated.
