IP Library › Granted Patent US 11,323,208

Granted Patent B2

US 11,323,208 · App. 17/278,600 · Granted May 3, 2022

Method of transmitting hybrid automatic retransmission request acknowledgment codebook and device

Inventor: Xuejuan Gao (Beijing, CN)

Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

H04L1/1812 H04L1/1887 H04W72/04 H04W72/1268 H04W72/1289

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Quick Facts

Patent No.: US 11,323,208
App. No.: 17/278,600
Granted: May 3, 2022
Kind: B2

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Abstract

A method of transmitting a hybrid automatic retransmission request acknowledgment codebook and a device are provided, and the method includes: sending a semi-static HARQ-ACK codebook, wherein the semi-static HARQ-ACK codebook does not include HARQ-ACK feedback information corresponding to a target downlink transmission, the target downlink transmission includes at least one of the following transmissions: a first downlink transmission that does not meet a processing delay requirement; a second downlink transmission corresponding to a second PDCCH which is transmitted after a first PDCCH, wherein the semi-static HARQ-ACK codebook is transmitted on a Physical Uplink Shared Channel (PUSCH) scheduled by the first PDCCH.

Claims (230)

1. A method of transmitting a hybrid automatic retransmission request acknowledgment (HARQ-ACK) codebook, applied to a terminal, comprising:

sending a semi-static HARQ-ACK codebook, wherein the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to a target downlink transmission, the target downlink transmission comprises at least one of the following transmissions:

a first downlink transmission that does not meet a processing delay requirement;

a second downlink transmission corresponding to a second Physical Downlink Control Channel (PDCCH) which is transmitted after a first PDCCH, wherein the semi-static HARQ-ACK codebook is transmitted on a Physical Uplink Shared Channel (PUSCH) scheduled by the first PDCCH.

2. The method of transmitting the HARQ-ACK codebook according to claim 1 , wherein,

the first downlink transmission comprises at least one of a Physical Downlink Shared Channel (PDSCH) scheduled by a PDCCH, a Semi-Persistent Scheduling (SPS) PDSCH, and a SPS PDSCH release;

the second downlink transmission comprises at least one of a Physical Downlink Shared Channel (PDSCH) scheduled by a PDCCH and a SPS PDSCH release.

3. The method of transmitting the HARQ-ACK codebook according to claim 1 , wherein in a case that the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to the first downlink transmission, the first downlink transmission is determined as follows:

determining a downlink transmission that meets a first preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets the first preset condition or the second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets both the first preset condition and the second preset condition as the first downlink transmission;

wherein, the first preset condition comprises:

a condition that an end symbol of the downlink transmission is later than a first reference symbol, wherein the first reference symbol is a first symbol or a first downlink symbol or a first flexible symbol, which is T1 time before a start position of a start symbol of an uplink channel carrying the HARQ-ACK codebook; or

a condition that an end symbol or an end time of the downlink transmission is later than a first reference time, wherein the first reference time is T1 time before a start position of a start symbol of an uplink channel carrying the HARQ-ACK codebook; or

a condition that a time interval between an end symbol or an end time of the downlink transmission and a start symbol or a start time of an uplink channel carrying the HARQ-ACK codebook is shorter than T1 time;

wherein, T1 is a predefined value; or, T1 is a value determined based on a configuration; or, T1 is a minimum processing delay of a HARQ-ACK feedback for the downlink transmission;

wherein, the second preset condition comprises:

a condition that an end symbol of a PDCCH corresponding to the downlink transmission is later than a second reference symbol, wherein the second reference symbol is a first symbol or a first downlink symbol or a first flexible symbol, which is T2 time before a start position of a start symbol of an uplink channel carrying the HARQ-ACK codebook; or

a condition that an end symbol or an end time of a PDCCH corresponding to the downlink transmission is later than a second reference time, wherein the second reference time is T2 time before a start position of a start symbol of an uplink channel carrying the HARQ-ACK codebook; or

a condition that a time interval between an end symbol or an end time of a PDCCH corresponding to the downlink transmission and a start symbol or a start time of an uplink channel carrying the HARQ-ACK codebook is shorter than T2 time;

wherein, T2 is a predefined value; or, T2 is a value determined based on a configuration; or, T2 is a minimum processing delay of a HARQ-ACK of the downlink transmission to be multiplexed with other information for transmission.

4. The method of transmitting the HARQ-ACK codebook according to claim 3 , wherein, T1 is calculated according to either of the following formulas:

T 1=( N 1 +d 1,1 )·(2048+144)·κ·2 −μ 1 ·T C ;

T 1=( N 1 +d 1,1 +1)·(2048+144)·κ·2 −μ 1 ·T C ;

wherein,

in a case that the downlink transmission is a PDSCH scheduled by a PDCCH, μ 1 is a index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the PDCCH scheduling the PDSCH, the PDSCH and a PUCCH, or μ 1 is a index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to the PDCCH scheduling the PDSCH, the PDSCH, and a PUCCH;

and/or, in a case that the downlink transmission is a SPS PDSCH release, μ 1 is a index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to a PDCCH indicating the SPS PDSCH release and a PUCCH, or μ 1 is a index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to a PDCCH indicating the SPS PDSCH release and a PUCCH;

and/or, in a case that the downlink transmission is a SPS PDSCH, μ 1 is a index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the SPS PDSCH and a PUCCH, or μ 1 is a index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to the SPS PDSCH and a PUCCH;

N 1 is a value determined based on μ 1 and a terminal capability;

d 1,1 is a value related to a transmission duration of the downlink transmission, a mapping type and the terminal capability;

T c is a basic time unit of a New Radio (NR) system;

k is a ratio between a basic time unit of a Long Time Evolution (LTE) system and the basic time unit of the NR system;

or, wherein, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUCCH, T2 is calculated according to any of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C

wherein, in a case that the downlink transmission is a PDSCH scheduled by a PDCCH, μ 2 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the PDCCH scheduling the PDSCH, the PDSCH, and the PUCCH, or μ 2 is an index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to the PDCCH scheduling the PDSCH, the PDSCH, and the PUCCH; and/or, in a case that the downlink transmission is a SPS PDSCH release, μ 2 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to a PDCCH indicating the SPS PDSCH release and the PUCCH, or μ 2 is an index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to a PDCCH indicating the SPS PDSCH release and the PUCCH; and/or, in a case that the downlink transmission is a SPS PDSCH, μ 2 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the SPS PDSCH and the PUCCH, or μ 2 is an index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to the SPS PDSCH and the PUCCH;

N 2 is a value determined based on μ 2 and a terminal capability;

in a case that the PDCCH corresponding to the downlink transmission triggers a Bandwidth Part (BWP) switching, d 1,2 is time required for the BWP switching, otherwise d 1,2 =0;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, wherein, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUSCH, T2 is calculated according to any of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C

T 2=max(( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C

T 2=max(( Z+d )·(2048+144)·κ·2 −μ 5 ·T C ,d 2,2 )

T 2=( Z+d )·(2048+144)·κ·2 −μ 5 ·T C

wherein, μ 3 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the PDCCH corresponding to the downlink transmission, a PUCCH, and the PUSCH, or μ 3 is an index of a subcarrier spacing, for obtaining a largest T2 value, among subcarrier spacings corresponding respectively to the PDCCH corresponding to the downlink transmission, a PUCCH, and the PUSCH;

μ 4 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the PDCCH corresponding to the downlink transmission and/or a PDCCH corresponding to the PUSCH, a PUCCH, and the PUSCH, or μ 4 is an index of a subcarrier spacing, for obtaining a largest T2 value, among subcarrier spacings corresponding respectively to the PDCCH corresponding to the downlink transmission and/or a PDCCH corresponding to the PUSCH, a PUCCH, and the PUSCH;

μ 5 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the PDCCH corresponding to the downlink transmission and/or a PDCCH corresponding to the PUSCH, a PUCCH, the PUSCH and an Aperiodic-Channel State Information-Reference Signal (A-CSI-RS) corresponding to the PDCCH corresponding to the PUSCH, or μ 5 is an index of a subcarrier spacing, for obtaining a largest T2 value, among subcarrier spacings corresponding respectively to the PDCCH corresponding to the downlink transmission and/or a PDCCH corresponding to the PUSCH, a PUCCH, the PUSCH and an A-CSI-RS corresponding to the PDCCH corresponding to the PUSCH;

in a case that a first symbol of the PUSCH only comprises a Demodulation Reference Signal (DMRS), d 2,1 =0, otherwise d 2,1 =1;

in a case that the PDCCH corresponding to the PUSCH triggers a Bandwidth Part (BWP) switching, d 2,2 is time required for the BWP switching, otherwise d 2,2 =0;

Z is a time delay corresponding to Aperiodic-Channel State Information (A-CSI);

d is a quantity of overlapping symbols between a PDCCH and a scheduled PDSCH;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system.

5. The method of transmitting the HARQ-ACK codebook according to claim 1 , wherein,

in a case that the semi-static HARQ-ACK codebook is transmitted on a PUCCH, if there are semi-static HARQ-ACK codebooks for multiple downlink transmissions that need to be transmitted on a same PUCCH simultaneously, a PUCCH resource indication field in multiple PDCCHs for scheduling the multiple downlink transmissions indicates a same PUCCH resource.

6. A method of transmitting a hybrid automatic retransmission request acknowledgment (HARQ-ACK) codebook, applied to a base station, comprising:

receiving a semi-static HARQ-ACK codebook, wherein the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to a target downlink transmission, the target downlink transmission comprises at least one of the following transmissions:

a first downlink transmission that does not meet a processing delay requirement;

a second downlink transmission corresponding to a second PDCCH which is transmitted after a first PDCCH, wherein the semi-static HARQ-ACK codebook is transmitted on a Physical Uplink Shared Channel (PUSCH) scheduled by the first PDCCH.

7. The method of transmitting the HARQ-ACK codebook according to claim 6 , wherein,

the first downlink transmission comprises at least one of a Physical Downlink Shared Channel (PDSCH) scheduled by a PDCCH, a Semi-Persistent Scheduling (SPS) PDSCH, and a SPS PDSCH release;

the second downlink transmission comprises at least one of a Physical Downlink Shared Channel (PDSCH) scheduled by a PDCCH and a SPS PDSCH release.

8. The method of transmitting the HARQ-ACK codebook according to claim 6 , wherein, prior to receiving the semi-static HARQ-ACK codebook, the method further comprises:

determining a length of the semi-static HARQ-ACK codebook.

9. The method of transmitting the HARQ-ACK codebook according to claim 8 , wherein,

in a case that the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to the first downlink transmission, the first downlink transmission is further determined as follows:

determining a downlink transmission that meets a first preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a first preset condition or a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets both a first preset condition and a second preset condition as the first downlink transmission;

wherein, the first preset condition comprises:

wherein, T1 is a predefined value; or, T1 is a value determined based on a configuration; or, T1 is a minimum processing delay of a HARQ-ACK feedback for the downlink transmission;

wherein, the second preset condition comprises:

10. The method of transmitting the HARQ-ACK codebook according to claim 9 , wherein, T1 is calculated according to either of the following formulas:

T 1=( N 1 +d 1,1 )·(2048+144)·κ·2 −μ 1 ·T C ;

T 1=( N 1 +d 1,1 +1)·(2048+144)·κ·2 −μ 1 ·T C ;

wherein, in a case that the downlink transmission is a PDSCH scheduled by a PDCCH, μ 1 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the PDCCH scheduling the PDSCH, the PDSCH and a PUCCH, or μ 1 is an index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to the PDCCH scheduling the PDSCH, the PDSCH, and a PUCCH; and/or, in a case that the downlink transmission is a SPS PDSCH release, μ 1 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to a PDCCH indicating the SPS PDSCH release and a PUCCH, or μ 1 is an index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to a PDCCH indicating the SPS PDSCH release and a PUCCH; and/or, in a case that the downlink transmission is a SPS PDSCH, μ 1 is an index of a minimum subcarrier spacing among subcarrier spacings corresponding respectively to the SPS PDSCH and a PUCCH, or μ 1 is an index of a subcarrier spacing, for obtaining a largest T1 value, among subcarrier spacings corresponding respectively to the SPS PDSCH and a PUCCH;

N 1 is a value determined based on μ 1 and a terminal capability;

d 1,1 is a value related to a transmission duration of the downlink transmission, a mapping type and the terminal capability;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, wherein, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUCCH, T2 is calculated according to any of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C

N 2 is a value determined based on μ 2 and a terminal capability;

in a case that the PDCCH corresponding to the downlink transmission triggers a Bandwidth Part (BWP) switching, d 1,2 is time required for the BWP switching, otherwise d 1,2 =0;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, wherein, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUSCH, T2 is calculated according to any of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C

T 2=max(( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C

T 2=max(( Z+d )·(2048+144)·κ·2 −μ 5 ·T C ,d 2,2 )

T 2=( Z+d )·(2048+144)·κ·2 −μ 5 ·T C

in a case that a first symbol of the PUSCH only comprises a Demodulation Reference Signal (DMRS), d 2,1 =0, otherwise d 2,1 =1;

in a case that the PDCCH corresponding to the PUSCH triggers a Bandwidth Part (BWP) switching, d 2,2 is time required for the BWP switching, otherwise d 2,2 =0;

Z is a time delay corresponding to Aperiodic-Channel State Information (A-CSI);

d is a quantity of overlapping symbols between a PDCCH and a scheduled PDSCH;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system.

11. The method of transmitting the HARQ-ACK codebook according to claim 6 , wherein,

12. A base station, comprising: a transceiver, a storage, a processor and a program stored on the storage and executable by the processor;

wherein the program, when executed by the processor, implements the steps of the method of transmitting the HARQ-ACK codebook according to claim 6 .

13. The base station according to claim 12 , wherein,

the processor is configured to read the program in the storage to implement the following process: prior to receiving the semi-static HARQ-ACK codebook, determining a length of the semi-static HARQ-ACK codebook.

14. The base station according to claim 13 , wherein,

the processor is further configured to determine, in a case that the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to the first downlink transmission, the first downlink transmission as follows:

determining a downlink transmission that meets a first preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a first preset condition or a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets both a first preset condition and a second preset condition as the first downlink transmission;

wherein, the first preset condition comprises:

wherein, T1 is a predefined value; or, T1 is a value determined based on a configuration; or, T1 is a minimum processing delay of a HARQ-ACK feedback for the downlink transmission;

wherein, the second preset condition comprises:

15. The base station according to claim 14 , wherein, T1 is calculated according to either of the following formulas:

T 1=( N 1 +d 1,1 )·(2048+144)·κ·2 −μ 1 ·T C ;

T 1=( N 1 +d 1,1 +1)·(2048+144)·κ·2 −μ 1 ·T C ;

N 1 is a value determined based on μ 1 and a terminal capability;

d 1,1 is a value related to a transmission duration of the downlink transmission, a mapping type and the terminal capability;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUCCH, T2 is calculated according to either of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C

N 2 is a value determined based on μ 2 and a terminal capability;

in a case that the PDCCH corresponding to the downlink transmission triggers a Bandwidth Part (BWP) switching, d 1,2 is time required for the BWP switching, otherwise d 1,2 =0;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUSCH, T2 is calculated according to any of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C

T 2=max(( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C

T 2=max(( Z+d )·(2048+144)·κ·2 −μ 5 ·T C ,d 2,2 )

T 2=( Z+d )·(2048+144)·κ·2 −μ 5 ·T C

in a case that a first symbol of the PUSCH only comprises a Demodulation Reference Signal (DMRS), d 2,1 =0, otherwise d 2,1 =1;

in a case that the PDCCH corresponding to the PUSCH triggers a Bandwidth Part (BWP) switching, d 2,2 is time required for the BWP switching, otherwise d 2,2 =0;

Z is a time delay corresponding to Aperiodic-Channel State Information (A-CSI);

d is a quantity of overlapping symbols between a PDCCH and a scheduled PDSCH;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system.

16. The base station according to claim 12 , wherein,

the processor is further configured to indicate, in a case that the semi-static HARQ-ACK codebook is transmitted on a PUCCH, if there are semi-static HARQ-ACK codebooks for multiple downlink transmissions that need to be transmitted on a same PUCCH simultaneously, a same PUCCH resource in a PUCCH resource indication field of the PDCCH for scheduling the multiple downlink transmissions.

17. A terminal, comprising: a transceiver, a storage, a processor and a program stored on the storage and executable by the processor; wherein,

the transceiver is configured to send a semi-static HARQ-ACK codebook, wherein the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to a target downlink transmission, the target downlink transmission comprises at least one of the following transmissions:

a first downlink transmission that does not meet a processing delay requirement;

18. The terminal according to claim 17 , wherein,

the processor is configured to read the program in the storage to implement the following process: in a case that the semi-static HARQ-ACK codebook does not comprise HARQ-ACK feedback information corresponding to the first downlink transmission, prior to sending a semi-static HARQ-ACK codebook corresponding to the downlink transmission, the first downlink transmission is further determined as follows:

determining a downlink transmission that meets a first preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets a first preset condition or a second preset condition as the first downlink transmission; or,

determining a downlink transmission that meets both a first preset condition and a second preset condition as the first downlink transmission;

wherein, the first preset condition comprises:

wherein, T1 is a predefined value; or, T1 is a value determined based on a configuration; or, T1 is a minimum processing delay of a HARQ-ACK feedback for the downlink transmission;

wherein, the second preset condition comprises:

19. The terminal according to claim 18 , wherein, T1 is calculated according to either of the following formulas:

T 1=( N 1 +d 1,1 )·(2048+144)·κ·2 −μ 1 ·T C ;

T 1=( N 1 +d 1,1 +1)·(2048+144)·κ·2 −μ 1 ·T C

N 1 is a value determined based on μ 1 and a terminal capability;

d 1,1 is a value related to a transmission duration of the downlink transmission, a mapping type and the terminal capability;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUCCH, T2 is calculated according to either of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 2 ·T C

N 2 is a value determined based on μ 2 and a terminal capability;

in a case that the PDCCH corresponding to the downlink transmission triggers a Bandwidth Part (BWP) switching, d 1,2 is time required for the BWP switching, otherwise d 1,2 =0;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system;

or, in a case that the uplink channel carrying the semi-static HARQ-ACK codebook is a PUSCH, T2 is calculated according to any of the following formulas:

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C ,d 1,2 )

T 2=( N 2 +1)·(2048+144)·κ·2 −μ 3 ·T C

T 2=max(( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=max(( N 2 +1)·(2048+144)·κ·2 −μ 4 ·T C ,d 2,2 )

T 2=( N 2 +d 2,1 +1)·(2048+144)·κ·2 −μ 4 ·T C

T 2=max(( Z+d )·(2048+144)·κ·2 −μ 5 ·T C ,d 2,2 )

T 2=( Z+d )·(2048+144)·κ·2 −μ 5 ·T C

in a case that a first symbol of the PUSCH only comprises a Demodulation Reference Signal (DMRS), d 2,1 =0, otherwise d 2,1 =1;

in a case that the PDCCH corresponding to the PUSCH triggers a Bandwidth Part (BWP) switching, d 2,2 is time required for the BWP switching, otherwise d 2,2 =0;

Z is a time delay corresponding to Aperiodic-Channel State Information (A-CSI);

d is a quantity of overlapping symbols between a PDCCH and a scheduled PDSCH;

T c is a basic time unit in a NR system;

k is a ratio between a basic time unit of a LTE system and the basic time unit of the NR system.

20. The terminal according to claim 17 , wherein,

Assignments (1)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 5, 2022

From: GAO, XUEJUAN

To: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Reel/Frame 058560/0854 →

Priority Claims (1)

CN 201811109875.X · Sep 21, 2018 · national

Continuity (1)

Related Publication 20210314095A1 · Oct 7, 2021