# US 12,184,586 B2 · Method for determining feedback information, terminal device, and network device

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- Number: US 12,184,586 B2
- Document ID: US12184586B2
- Status: Granted
- Kind: B2
- Application number: 18/178,369
- Filed: 2023-03-03
- Published: 2023-09-07
- Granted: 2024-12-31
- Earliest claimed: 2017-08-11
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Jinlin Peng; Fan Wang; Hao Tang; Yi Wang
- Web page: https://patentgrep.com/patent/US12184586B2

## CPC

- 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)}
- H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L 1/1854: {Scheduling and prioritising arrangements}
- H04L 1/1864: {ARQ related signaling (H04L1/1607 takes precedence)}
- H04L 5/001: {the frequencies being arranged in component carriers}
- H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network
- Y02D 30/70: in wireless communication networks
- 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)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

Embodiments of this application provide a method for processing information bits in a wireless communication network. A communication device receives a radio resource control (RRC) signaling, wherein the RRC signaling comprises time window information and time unit format information, wherein the time window information comprises a hybrid automatic repeat request (HARQ) time sequence K1 set, wherein K1 is a time relationship between a time unit of a physical downlink shared channel (PDSCH) and a time unit of a physical uplink control channel (PUCCH), or wherein the K1 is a time relationship between a time unit of a (PDSCH) and a time unit of a physical uplink shared channel (PUSCH). The device determines HARQ feedback information based on the time window information and the time unit format information and sends the HARQ feedback information.

## Claims

### Claim 1

A method for processing feedback information, the method comprising:
sending a set of hybrid automatic repeat request (HARQ) time sequence K1 values and time unit format information, wherein a HARQ time sequence K1 value of the set of HARQ time sequence K1 values is a time relationship between a time unit of a physical downlink shared channel (PDSCH) and a time unit of a physical uplink control channel (PUCCH), or wherein a HARQ time sequence K1 value of the set of HARQ time sequence K1 values is a time relationship between a time unit of a PDSCH and a time unit of a physical uplink shared channel (PUSCH); and
receiving HARQ feedback information, wherein a quantity of HARQ feedback information bits is associated with the set of HARQ time sequence K1 values and the time unit format information, wherein the quantity of HARQ feedback information bits corresponds to a first time unit set, and the first time unit set excludes a time unit for uplink transmission.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the time unit format information comprises one or more of a quantity of time units configured for bearing uplink transmission in one configuration period or a quantity of time units configured for bearing downlink transmission in one configuration period.

### Claim 3 (depends on 2)

The method according to claim 2, wherein the quantity of HARQ feedback information bits is associated with a size of the set of HARQ time sequence K1 values and the quantity of time units configured for bearing uplink transmission in a time window.

### Claim 4 (depends on 1)

The method according to claim 1, wherein the first time unit set is obtained by excluding the time unit for uplink transmission from a time window according to the time unit format information, and the time window is determined based on the set of the HARQ time sequence K1 values.

### Claim 5

An apparatus, comprising:
at least one processor, wherein the at least one processor executing programming instructions instructs the apparatus to perform operations comprising:
sending a set of hybrid automatic repeat request (HARQ) time sequence K1 values and time unit format information, wherein a HARQ time sequence K1 value of the set of HARQ time sequence K1 values is a time relationship between a time unit of a physical downlink shared channel (PDSCH) and a time unit of a physical uplink control channel (PUCCH), or wherein a HARQ time sequence K1 value of the set of HARQ time sequence K1 values is a time relationship between a time unit of a PDSCH and a time unit of a physical uplink shared channel (PUSCH); and
receiving HARQ feedback information, wherein a quantity of HARQ feedback information bits is associated with the set of HARQ time sequence K1 values and the time unit format information, wherein the quantity of HARQ feedback information bits corresponds to a first time unit set, and the first time unit set excludes a time unit for uplink transmission.

### Claim 6 (depends on 5)

The apparatus according to claim 5, wherein the time unit format information comprises one or more of: a quantity of time units configured for bearing uplink transmission in one configuration period or a quantity of time units configured for bearing downlink transmission in one configuration period.

### Claim 7 (depends on 6)

The apparatus according to claim 6, wherein the quantity of HARQ feedback information bits is associated with a size of the set of HARQ time sequence K1 values and the quantity of time units configured for bearing uplink transmission in a time window.

### Claim 8 (depends on 5)

The apparatus according to claim 5, wherein the first time unit set is obtained by excluding the time unit for uplink transmission from a time window according to the time unit format information, and the time window is determined based on the set of the HARQ time sequence K1 values.

### Claim 9

A method for processing feedback information, the method comprising:
receiving time unit format information and a set of hybrid automatic repeat request (HARQ) timing K1 values via radio resource control (RRC) signalings, wherein each HARQ timing K1 value of the set of HARQ timing K1 values represents a time difference between a time unit for transmitting and bearing a physical downlink shared channel (PDSCH) and a time unit for transmitting a physical uplink control channel (PUCCH), or wherein each HARQ timing K1 value of the set of HARQ timing K1 values represents a time difference between a time unit of a PDSCH and a time unit of a physical uplink shared channel (PUSCH), wherein the PUCCH or the PUSCH is for transmitting HARQ feedback information corresponding to the PDSCH;
determining HARQ feedback information, wherein a quantity of HARQ feedback information bits is associated with the set of HARQ timing K1 values and the time unit format information, wherein the quantity of HARQ feedback information bits corresponds to a first time unit set, and the first time unit set excludes a time unit for uplink transmission; and
sending the HARQ feedback information.

### Claim 10 (depends on 9)

The method according to claim 9, wherein the time unit format information comprises one or more of a quantity of time units configured for bearing uplink transmission in one configuration period or a quantity of time units configured for bearing downlink transmission in one configuration period.

### Claim 11 (depends on 9)

The method according to claim 9, wherein the quantity of the HARQ feedback information bits is determined by:
determining a time window based on a size of the set of HARQ timing K1 values, wherein the time window includes one or more time units;
based on the time window comprising the time unit for uplink transmission according to the time unit format information, removing the time unit for uplink transmission from the time window; and
determining the quantity of the HARQ feedback information bits based on the first time unit set obtained after removing the time unit for uplink transmission.

### Claim 12 (depends on 9)

The method according to claim 9, further comprising:
obtaining a first uplink time unit for the HARQ feedback information;
obtaining a second uplink time unit indicated by a K1 in a downlink control information (DCI) corresponding to a PDSCH in a time window corresponding to the first uplink time unit; and
based on the first uplink time unit not being the second uplink time unit, setting a corresponding bit in the HARQ feedback information in the first uplink time unit to NACK.

### Claim 13

An apparatus, comprising:
at least one processor, wherein the at least one processor executing programming instructions instructs the apparatus to perform operations comprising:
receiving time unit format information and a set of hybrid automatic repeat request, HARQ, timing K1 values via radio resource control (RRC) signalings, wherein each HARQ timing K1 value of the set of HARQ timing K1 values represents a time difference between a time unit for transmitting and bearing a physical downlink shared channel (PDSCH) and a time unit for transmitting a physical uplink control channel (PUCCH), or wherein each HARQ timing K1 value of the set of HARQ timing K1 values represents a time difference between a time unit of a PDSCH and a time unit of a physical uplink shared channel (PUSCH), wherein the PUCCH or the PUSCH is for transmitting HARQ feedback information corresponding to the PDSCH;
determining HARQ feedback information, wherein a quantity of HARQ feedback information bits is associated with the set of HARQ timing K1 values and the time unit format information, wherein the quantity of HARQ feedback information bits corresponds to a first time unit set, and the first time unit set excludes a time unit for uplink transmission; and
sending the HARQ feedback information.

### Claim 14 (depends on 13)

The apparatus according to claim 13, wherein the time unit format information comprises one or more of: a quantity of time units configured for bearing uplink transmission in one configuration period or a quantity of time units configured for bearing downlink transmission in one configuration period.

### Claim 15 (depends on 13)

The apparatus according to claim 13, wherein the quantity of the HARQ feedback information bits is determined by:
determining a time window based on a size of the set of HARQ timing K1 values, wherein the time window includes one or more time units;
based on the time window comprising the time unit for uplink transmission according to the time unit format information, removing the time unit for uplink transmission from the time window; and
determining the quantity of the HARQ feedback information bits based on the first time unit set obtained after removing the time unit for uplink transmission.

### Claim 16 (depends on 14)

The apparatus according to claim 14, wherein the operations further comprise:
obtaining a first uplink time unit for the HARQ feedback information;
obtaining a second uplink time unit indicated by a K1 in a downlink control information (DCI) corresponding to a PDSCH in a time window corresponding to the first uplink time unit; and
based on the first uplink time unit not being the second uplink time unit, setting a corresponding bit in the HARQ feedback information in the first uplink time unit to NACK.

### Claim 17

A non-transitory computer-readable storage medium,
wherein the computer-readable storage medium comprises computer-readable instructions, wherein the computer-readable instructions, when executed by one or more processors, cause a device perform operations comprising:
receiving time unit format information and a set of hybrid automatic repeat request (HARQ) timing K1 values via radio resource control (RRC) signalings, wherein each HARQ timing K1 value of the set of HARQ timing K1 values represents a time difference between a time unit for transmitting and bearing a physical downlink shared channel (PDSCH) and a time unit for transmitting a physical uplink control channel (PUCCH), or wherein each HARQ timing K1 value of the set of HARQ timing K1 values represents a time difference between a time unit of a PDSCH and a time unit of a physical uplink shared channel (PUSCH), wherein the PUCCH or the PUSCH is for transmitting HARQ feedback information corresponding to the PDSCH;
determining HARQ feedback information, wherein a quantity of HARQ feedback information bits is associated with the set of HARQ timing K1 values and the time unit format information, wherein the quantity of HARQ feedback information bits corresponds to a first time unit set, and the first time unit set excludes a time unit for uplink transmission; and
sending the HARQ feedback information.

### Claim 18 (depends on 17)

The non-transitory computer readable storage medium according to claim 17, wherein the time unit format information comprises one or more of a quantity of time units configured for bearing uplink transmission in one configuration period or a quantity of time units configured for bearing downlink transmission in one configuration period.

### Claim 19 (depends on 17)

The non-transitory computer readable storage medium according to claim 17, wherein the quantity of the HARQ feedback information bits is determined by:
determining a time window based on a size of the set of HARQ timing K1 values, wherein the time window includes one or more time units;
based on the time window comprising the time unit for uplink transmission according to the time unit format information, removing the time unit for uplink transmission from the time window; and
determining the quantity of the HARQ feedback information bits based on the first time unit set obtained after removing the time unit for uplink transmission.

### Claim 20 (depends on 17)

The non-transitory computer readable storage medium according to claim 17, the operations further comprising:
obtaining a first uplink time unit for the HARQ feedback information;
obtaining a second uplink time unit indicated by a K1 in a downlink control information (DCI) corresponding to a PDSCH in a time window corresponding to the first uplink time unit; and
based on the first uplink time unit not being the second uplink time unit, setting a corresponding bit in the HARQ feedback information in the first uplink time unit to NACK.