# US 12,003,334 B2 · URLLC physical uplink control channel (PUCCH) configuration with sub-slot structure

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- Number: US 12,003,334 B2
- Document ID: US12003334B2
- Status: Granted
- Kind: B2
- Application number: 17/422,094
- Filed: 2020-01-09
- Published: 2022-04-07
- Granted: 2024-06-04
- Earliest claimed: 2019-01-10
- Assignees: Sharp Kabushiki Kaisha; FG Innovation Company Limited
- Applicants: Sharp Kabushiki Kaisha; FG Innovation Company Limited
- Inventors: Zhanping Yin
- Web page: https://patentgrep.com/patent/US12003334B2

## CPC

- H04L 1/1854: {Scheduling and prioritising arrangements}
- H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)}
- H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- 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 for a user equipment (UE) and the apparatus thereof are described. The method comprises receiving, from a base station (BS), a configuration to configure a sub-slot structure in a slot for multiple physical uplink control channel (PUCCH) resources for Hybrid Automatic Repeat Request-ACKnowledgement (HARQ-ACK) feedback in response to at least one ultra-reliable low-latency communication (URLLC) physical downlink shared channel (PDSCH). The method also comprises transmitting the HARQ-ACK feedback in response to the at least one URLLC PDSCH based on the configured sub-slot structure in the slot; wherein each of the multiple PUCCH resources is confined in a sub-slot in the configured sub-slot structure.

## Claims

### Claim 1

A user equipment (UE), comprising:
one or more non-transitory computer-readable media storing one or more computer-executable instructions; and
at least one processor coupled to the one or more non-transitory computer-readable media and configured to execute the one or more computer-executable instructions to cause the UE to:
receive, from a base station (BS), a configuration to configure a sub-slot structure in a slot for a plurality of physical uplink control channel (PUCCH) resources for Hybrid Automatic Repeat Request-ACKnowledgement (HARQ-ACK) feedback in response to at least one physical downlink shared channel (PDSCH) for ultra-reliable low-latency communication (URLLC); and
transmit the HARQ-ACK feedback in response to the at least one PDSCH for URLLC based on the configured sub-slot structure in the slot, wherein:
the plurality of PUCCH resources are confined within a sub-slot, and
each of PUCCH resource allocations for the plurality of PUCCH resources is confined within the sub-slot based on the configured sub-slot structure.

### Claim 2 (depends on 1)

The UE of claim 1, wherein the sub-slot structure comprises a 2-symbol structure, a 3and 4-symbol structure or a 7-symbol structure.

### Claim 3 (depends on 1)

The UE of claim 1, wherein the UE is configured with higher layer signaling for the sub-slot structure for PUCCH allocation.

### Claim 4 (depends on 1)

The UE of claim 1, wherein:
the UE is configured with a subset of sub-slots in the sub-slot structure, and
the plurality of PUCCH resources are configured within the sub-slots in the subset of the sub-slot structure.

### Claim 5 (depends on 1)

The UE of claim 1, wherein the UE is configured with a plurality of subsets of sub-slots in the sub-slot structure for PUCCH resource allocation.

### Claim 6 (depends on 5)

The UE of claim 5, wherein the plurality of subsets of sub-slots in the sub-slot structure are specified, and the UE is configured, by higher layer signaling via the subset of sub-slots in the sub-slot structure.

### Claim 7 (depends on 1)

The UE of claim 1, wherein the UE is configured with a plurality of sub-slot structures for PUCCH resource allocation.

### Claim 8

A base station (BS), comprising:
one or more non-transitory computer-readable media storing one or more computer-executable instructions; and
at least one processor coupled to the one or more non-transitory computer-readable media and configured to execute the one or more computer-executable instructions to cause the BS to:
transmit, to a user equipment (UE), a configuration to configure a sub-slot structure in a slot for a plurality of physical uplink control channel (PUCCH) resources for Hybrid Automatic Repeat Request-ACKnowledgement (HARQ-ACK) feedback in response to at least one physical downlink shared channel (PDSCH) for ultra-reliable low-latency communication (URLLC); and
receive, from the UE, the HARQ-ACK feedback in response to the at least one PDSCH for URLLC based on the configured sub-slot structure in the slot, wherein:
the plurality of PUCCH resources are confined within a sub-slot, and
each of PUCCH resource allocations for the plurality of PUCCH resources is confined within the sub-slot based on the configured sub-slot structure.

### Claim 9 (depends on 8)

The BS of claim 8, wherein the sub-slot structure comprises a 2-symbol structure, a 3 and 4-symbol structure or a 7-symbol structure.

### Claim 10 (depends on 8)

The BS of claim 8, wherein the UE is configured with higher layer signaling for the sub-slot structure for PUCCH allocation.

### Claim 11 (depends on 8)

The BS of claim 8, wherein:
the UE is configured with a subset of sub-slots in the sub-slot structure, and
the plurality of PUCCH resources are configured within the sub-slots in the subset of the sub-slot structure.

### Claim 12 (depends on 8)

The BS of claim 8, wherein the UE is configured with a plurality of subsets of sub-slots in the sub-slot structure for PUCCH resource allocation.

### Claim 13 (depends on 12)

The BS of claim 12, wherein the plurality of subsets of sub-slots in the sub-slot structure are specified, and the UE is configured, by higher layer signaling via the subset of sub-slots in the sub-slot structure.

### Claim 14 (depends on 8)

The BS of claim 8, wherein the UE is configured with a plurality of sub-slot structures for PUCCH resource allocation.

### Claim 15

A method performed by a user equipment (UE), the method comprising:
receiving, from a base station (BS), a configuration to configure a sub-slot structure in a slot for a plurality of physical uplink control channel (PUCCH) resources for Hybrid Automatic Repeat Request-ACKnowledgement (HARQ-ACK) feedback in response to at least one physical downlink shared channel (PDSCH) for ultra-reliable low-latency communication (URLLC); and
transmitting the HARQ-ACK feedback in response to the at least one PDSCH for URLLC based on the configured sub-slot structure in the slot, wherein:
the plurality of PUCCH resources are confined within a sub-slot, and
each of PUCCH resource allocations for the plurality of PUCCH resources is confined within the sub-slot based on the configured sub-slot structure.

### Claim 16 (depends on 15)

The method of claim 15, wherein the UE is configured with a plurality of sub-slot structures for PUCCH resource allocation and the sub-slot structure comprises a 2-symbol structure, a 3 and 4-symbol structure or a 7-symbol structure.

### Claim 17 (depends on 15)

The method of claim 15, wherein the UE is configured with higher layer signaling for the sub-slot structure for PUCCH allocation.

### Claim 18 (depends on 15)

The method of claim 15, wherein:
the UE is configured with a subset of sub-slots in the sub-slot structure, and
the plurality of PUCCH resources are configured within the sub-slots in the subset of the sub-slot structure.

### Claim 19 (depends on 15)

The method of claim 15, wherein the UE is configured with a plurality of subsets of sub-slots in the sub-slot structure for PUCCH resource allocation.

### Claim 20 (depends on 19)

The method of claim 19, wherein the plurality of subsets of sub-slots in the sub-slot structure are specified, and the UE is configured, by higher layer signaling via the subset of sub-slots in the sub-slot structure.
