# US 2025/0167950 A1 · Timing-Related Considerations for Network-Controlled Repeaters

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- Number: US 2025/0167950 A1
- Document ID: US20250167950A1
- Status: Published application
- Kind: A1
- Application number: 19/029,114
- Filed: 2025-01-17
- Published: 2025-05-22
- Earliest claimed: 2022-07-06
- Assignees: Apple Inc.
- Applicants: Apple Inc.
- Inventors: Ankit BHAMRI; Dawei ZHANG; Haitong SUN; Hong HE; Oghenekome OTERI; Seyed Ali AKBAR FAKOORIAN; Sigen YE; Wei ZENG
- Web page: https://patentgrep.com/patent/US20250167950A1

## CPC

- H04B 7/0695: {using beam selection}
- 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)}
- H04B 7/0617: {for beam forming}
- H04B 7/15528: {Control of operation parameters of a relay station to exploit the physical medium}
- H04B 7/15542: {Selecting at relay station its transmit and receive resources (selection of wireless resources by user or terminal H04W72/02; arrangements affording multiple use of the transmission path by two-dimensional division of the resources H04L5/0003, or by allocating sub-channels H04L5/003)}
- H04L 5/0023: {Time-frequency-space}
- H04L 5/0073: {Allocation arrangements that take into account other cell interferences}
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- H04W 72/046: {the resource being in the space domain, e.g. beams}
- H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH}
- H04B: TRANSMISSION
- 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 repeater configured to receive, on a side control channel from a component of a network, side control information including parameters at least for determining time domain resources on which to apply an indicated beam for uplink (UL) transmission reception or downlink (DL) transmission forwarding with a user equipment (UE) on an access link, determine, from the received parameters, whether to apply the indicated beam to a transmission (Tx) spatial filter, a reception (Rx) spatial filter, or both the Tx and Rx spatial filters and apply the indicated beam to the determined Tx spatial filter, Rx spatial filter, or both the Tx and Rx spatial filters for the determined time domain resources when forwarding the DL transmission to the UE or receiving the UL transmission from the UE for forwarding to the network.

## Claims

### Claim at position 1

1-20. (canceled)

### Claim 21

A network controlled repeater (NCR), comprising:
a transceiver configured to communicate with a component of a network and a user equipment (UE); and
a processor configured to:
process, based on signaling received on a control channel from the component of the network, control information including parameters at least for determining time domain resources on which to apply an indicated beam for uplink (UL) transmission reception or downlink (DL) transmission forwarding with the UE on an access link; and
apply the indicated beam as a transmission (Tx) beam and a reception (Rx) beam on the access link for the time domain resources when forwarding DL transmissions to the UE or receiving UL transmissions from the UE for forwarding to the network.

### Claim 22 (depends on 21)

The NCR of claim 21, wherein the parameters include a slot offset for determining a starting slot or a starting symbol of the time domain resources.

### Claim 23 (depends on 21)

The NCR of claim 21, wherein the time domain resources comprise periodic resources or semi-persistent resources.

### Claim 24 (depends on 21)

The NCR of claim 21, wherein the NCR performs DL transmissions or UL transmission receptions only after receiving the indicated beam signaled by the control information.

### Claim 25 (depends on 21)

The NCR of claim 21, wherein the time domain resources comprise a duration of the time domain resources.

### Claim 26 (depends on 25)

The NCR of claim 25, wherein the duration indicates a duration during which the access link between the NCR and the UE is active.

### Claim 27

A method, comprising:
processing, based on signaling received on a control channel from a component of a network, control information including parameters at least for determining time domain resources on which to apply an indicated beam for uplink (UL) transmission reception or downlink (DL) transmission forwarding with a user equipment (UE) on an access link; and
applying the indicated beam as a transmission (Tx) beam and a reception (Rx) beam on the access link for the time domain resources when forwarding DL transmissions to the UE or receiving UL transmissions from the UE for forwarding to the network.

### Claim 28 (depends on 27)

The method of claim 27, wherein the parameters include a slot offset for determining a starting slot or a starting symbol of the time domain resources.

### Claim 29 (depends on 27)

The method of claim 27, wherein the time domain resources comprise periodic resources or semi-persistent resources.

### Claim 30 (depends on 27)

The method of claim 27, wherein DL transmissions or UL transmission receptions are performed using the access link only after receiving the indicated beam signaled by the control information.

### Claim 31 (depends on 27)

The method of claim 27, wherein the time domain resources comprise a duration of the time domain resources.

### Claim 32 (depends on 31)

The method of claim 31, wherein the duration indicates a duration during which the access link is active.

### Claim 33

An apparatus comprising processing circuitry configured to:
process, based on signaling received on a control channel from a component of a network, control information including parameters at least for determining time domain resources on which to apply an indicated beam for uplink (UL) transmission reception or downlink (DL) transmission forwarding with a user equipment (UE) on an access link; and
apply the indicated beam as a transmission (Tx) beam and a reception (Rx) beam on the access link for the time domain resources when forwarding DL transmissions to the UE or receiving UL transmissions from the UE for forwarding to the network.

### Claim 34 (depends on 33)

The apparatus of claim 33, wherein the parameters include a slot offset for determining a starting slot or a starting symbol of the time domain resources.

### Claim 35 (depends on 33)

The apparatus of claim 33, wherein the time domain resources comprise periodic resources or semi-persistent resources.

### Claim 36 (depends on 33)

The apparatus of claim 33, wherein DL transmissions or UL transmission receptions are performed using the access link only after receiving the indicated beam signaled by the control information.

### Claim 37 (depends on 33)

The apparatus of claim 33, wherein the time domain resources comprise a duration of the time domain resources.

### Claim 38 (depends on 37)

The apparatus of claim 37, wherein the duration indicates a duration during which the access link is active.
